*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html, body {
  height: 100%;
}

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
  font-size: 1.5rem;
  color: #262626;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

h1 {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1.5rem;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

h2 {
  font-size: 3.5rem;
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 1.25rem;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

h3 {
  font-size: 3rem;
  font-weight: 600;
  line-height: 1.375;
  margin-bottom: 1rem;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

h4 {
  font-size: 2.5rem;
  font-weight: 500;
  line-height: 1.375;
  margin-bottom: 1rem;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

h5 {
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.375;
  margin-bottom: 0.75rem;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

h6 {
  font-size: 1.75rem;
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 0.75rem;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.lead {
  font-size: 2rem;
  line-height: 1.625;
  font-weight: 300;
  color: #f5f5f5;
}

a {
  color: #fafafa;
  text-decoration: none;
  transition: color 200ms cubic-bezier(0, 0, 0.2, 1);
}
a:hover {
  color: #f5f5f5;
  text-decoration: underline;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.font-sans {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.font-serif {
  font-family: "Merriweather", Georgia, serif;
}

.font-mono {
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
}

.text-primary {
  color: #e04b2d;
}

.text-secondary {
  color: #4b5563;
}

.text-muted {
  color: #6b7280;
}

.text-white {
  color: #ffffff;
}

.bg-primary {
  background-color: #e04b2d;
}

.bg-secondary {
  background-color: #f3f4f6;
}

.bg-white {
  background-color: #ffffff;
}

/*======================================================
// Publications Showcase - OpenAI Inspired Design
//======================================================*/
#publications {
  padding: 5rem 0;
}
#publications .section-heading {
  color: #ffffff;
  margin-bottom: 0.75rem;
  font-size: 3rem;
  font-weight: 700;
}
#publications .text-faded {
  font-size: 1.75rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
}

.publications-showcase {
  margin-bottom: 2rem;
}
.publications-showcase .col-lg-6 {
  margin-bottom: 1.5rem;
}
@media (max-width: 768px) {
  .publications-showcase .col-lg-6 {
    margin-bottom: 1.25rem;
  }
}

.publication-showcase-card {
  background: #ffffff;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.publication-showcase-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}
.publication-showcase-card:hover .publication-visual .publication-image {
  transform: scale(1.02);
}
@media (max-width: 768px) {
  .publication-showcase-card {
    border-radius: 0.5rem;
  }
  .publication-showcase-card:hover {
    transform: translateY(-2px);
  }
}

.publication-visual {
  position: relative;
  height: 200px;
  overflow: hidden;
}
@media (max-width: 768px) {
  .publication-visual {
    height: 160px;
  }
}
.publication-visual .publication-image {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform 500ms cubic-bezier(0, 0, 0.2, 1);
}
.publication-visual .publication-image.publication-fallback-1 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.publication-visual .publication-image.publication-fallback-2 {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}
.publication-visual .publication-image.publication-fallback-3 {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}
.publication-visual .publication-image .publication-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: rgba(255, 255, 255, 0.9);
  font-size: 3.5rem;
}
@media (max-width: 768px) {
  .publication-visual .publication-image .publication-icon {
    font-size: 3rem;
  }
}
.publication-visual .publication-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.3) 100%);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}
.publication-visual .publication-overlay .publication-date {
  background: rgba(255, 255, 255, 0.95);
  color: #374151;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 1rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.publication-content {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
@media (max-width: 768px) {
  .publication-content {
    padding: 1rem;
  }
}
.publication-content .publication-title {
  margin: 0 0 0.75rem 0;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.25;
}
@media (max-width: 768px) {
  .publication-content .publication-title {
    font-size: 1.75rem;
  }
}
.publication-content .publication-title a {
  text-decoration: none;
  transition: color 300ms cubic-bezier(0, 0, 0.2, 1);
}
.publication-content .publication-title a:hover {
  color: #e04b2d;
  text-decoration: none;
}
.publication-content .publication-authors {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}
@media (max-width: 768px) {
  .publication-content .publication-authors {
    font-size: 1rem;
  }
}
.publication-content .publication-summary {
  color: #374151;
  font-size: 1.5rem;
  line-height: 1.625;
  margin-bottom: 1.25rem;
  flex: 1;
}
@media (max-width: 768px) {
  .publication-content .publication-summary {
    font-size: 1.25rem;
    margin-bottom: 1rem;
  }
}
.publication-content .publication-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
@media (max-width: 768px) {
  .publication-content .publication-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
}
.publication-content .publication-actions .btn-publication-primary {
  background: #e04b2d;
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: 0.375rem;
  font-weight: 600;
  font-size: 1.25rem;
  text-decoration: none;
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}
.publication-content .publication-actions .btn-publication-primary:hover {
  background: #cc3b1e;
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}
.publication-content .publication-actions .btn-publication-primary i {
  font-size: 1rem;
  transition: transform 300ms cubic-bezier(0, 0, 0.2, 1);
}
.publication-content .publication-actions .btn-publication-primary:hover i {
  transform: translateX(2px);
}
.publication-content .publication-actions .btn-publication-secondary {
  background: transparent;
  border: 1px solid #d1d5db;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.publication-content .publication-actions .btn-publication-secondary:hover {
  background: #f3f4f6;
  color: #374151;
  border-color: #9ca3af;
  text-decoration: none;
  transform: translateY(-1px);
}
.publication-content .publication-actions .btn-publication-secondary i {
  font-size: 1rem;
}

.view-all-publications {
  margin-top: 2rem;
}
.view-all-publications .btn-view-all {
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.3);
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-size: 1.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(10px);
}
.view-all-publications .btn-view-all:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-1px);
}
.view-all-publications .btn-view-all i {
  font-size: 1.25rem;
  transition: transform 300ms cubic-bezier(0, 0, 0.2, 1);
}
.view-all-publications .btn-view-all:hover i {
  transform: translateX(2px);
}
@media (max-width: 768px) {
  .view-all-publications .btn-view-all {
    padding: 0.5rem 1.25rem;
    font-size: 1.25rem;
  }
}

.publications-empty-state {
  padding: 5rem 2rem;
}
.publications-empty-state .empty-icon {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.2) 100%);
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
}
.publications-empty-state .empty-icon i {
  font-size: 4rem;
  color: rgba(255, 255, 255, 0.9);
}
.publications-empty-state h4 {
  color: #ffffff;
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}
@media (max-width: 768px) {
  .publications-empty-state h4 {
    font-size: 2.5rem;
  }
}
.publications-empty-state p {
  font-size: 2rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 768px) {
  .publications-empty-state p {
    font-size: 1.75rem;
    margin-bottom: 2rem;
  }
}
.publications-empty-state .btn {
  font-size: 1.75rem;
  padding: 1rem 2rem;
}
@media (max-width: 768px) {
  .publications-empty-state .btn {
    font-size: 1.5rem;
    padding: 0.75rem 1.5rem;
  }
}

/*======================================================
// OPENAI-STYLE LAYOUT SYSTEM - REFINED & PROFESSIONAL
//======================================================*/
html.openai-page {
  background: #020309;
}
html.blog-page {
  background: #020309;
}

.openai-layout {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;
  line-height: 1.6;
  color: #fafafa;
  background: #020309;
  font-size: 16px;
}
.openai-layout.sidebar-mobile-open {
  overflow: hidden;
}
.openai-layout.sidebar-collapsed .main-content {
  margin-left: 72px;
}
@media (max-width: 768px) {
  .openai-layout.sidebar-collapsed .main-content {
    margin-left: 0;
  }
}

.minimal-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(255, 255, 255, 0);
  z-index: 1000;
}
.minimal-nav .nav-container {
  max-width: 100%;
  height: 100%;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
@media (max-width: 768px) {
  .minimal-nav .nav-container {
    padding: 0 1rem;
  }
}
.minimal-nav .nav-brand .brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: opacity 0.2s ease;
}
.minimal-nav .nav-brand .brand-link:hover {
  opacity: 0.8;
}
.minimal-nav .nav-brand .brand-link .brand-logo {
  width: 2em;
  height: 2em;
  background: linear-gradient(135deg, #171717 0%, #262626 100%);
  border-radius: 0.25em;
  display: flex;
  align-items: center;
  justify-content: center;
}
.minimal-nav .nav-brand .brand-link .brand-logo i {
  color: white;
  font-size: 24px;
}
.minimal-nav .nav-brand .brand-link .brand-name {
  font-size: 24px;
  font-weight: 600;
  color: #f5f5f5;
  letter-spacing: -0.01em;
  transition: opacity 0.3s ease, transform 0.3s ease;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
@media (max-width: 480px) {
  .minimal-nav .nav-brand .brand-link .brand-name {
    display: none;
  }
}
.minimal-nav .nav-actions .btn-login {
  background: #171717;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.minimal-nav .nav-actions .btn-login:hover {
  background: #262626;
  transform: translateY(-1px);
}

.main-content {
  flex: 1;
  margin-left: 0;
  background: #020309;
  transition: all 0.3s ease;
}
.main-content > section {
  position: relative;
  width: 100%;
  min-height: 100vh;
}

.detail-section {
  min-height: 100vh;
  padding: 5rem 2rem;
  background: #020309;
  position: relative;
  width: 100%;
  box-sizing: border-box;
  z-index: 1;
}
@media (max-width: 768px) {
  .detail-section {
    padding: 4rem 1rem;
  }
}
.detail-section.hidden {
  display: none !important;
}
.detail-section:not(.hidden) {
  animation: fadeInSection 0.5s ease-out forwards;
}
.detail-section .detail-container {
  max-width: 1200px;
  margin: 0 auto;
  animation: slideInFromTop 0.6s ease-out 0.2s both;
}
.detail-section .detail-container .detail-header {
  margin-bottom: 3rem;
}
@media (max-width: 768px) {
  .detail-section .detail-container .detail-header {
    margin-bottom: 2rem;
  }
}
.detail-section .detail-container .detail-header .back-btn {
  background: none;
  border: none;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  margin-bottom: 1.5rem;
  transition: all 0.2s ease;
  padding: 0.5rem;
  border-radius: 6px;
}
.detail-section .detail-container .detail-header .back-btn:hover {
  background: #f5f5f5;
  transform: translateX(-2px);
}
.detail-section .detail-container .detail-header .back-btn i {
  font-size: 12px;
  transition: transform 0.2s ease;
}
.detail-section .detail-container .detail-header .back-btn:hover i {
  transform: translateX(-2px);
}
.detail-section .detail-container .detail-header .detail-badge {
  display: inline-block;
  background: #10b981;
  color: white;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 1rem;
}
.detail-section .detail-container .detail-header h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
@media (max-width: 768px) {
  .detail-section .detail-container .detail-header h1 {
    font-size: 36px;
  }
}
@media (max-width: 480px) {
  .detail-section .detail-container .detail-header h1 {
    font-size: 28px;
  }
}
.detail-section .detail-container .detail-header .detail-description {
  font-size: 18px;
  line-height: 1.6;
  max-width: 800px;
}
@media (max-width: 768px) {
  .detail-section .detail-container .detail-header .detail-description {
    font-size: 16px;
  }
}

.content-section {
  min-height: 100vh;
  padding: 5rem 2rem;
  position: relative;
  width: 100%;
  box-sizing: border-box;
}
@media (max-width: 768px) {
  .content-section {
    padding: 4rem 1rem;
  }
}
.content-section.courses-section {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}
.content-section.projects-section {
  background: linear-gradient(135deg, #fafafa 0%, #f3f4f6 100%);
}
.content-section.blog-section {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}
.content-section.research-section {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
}
.content-section .section-container {
  max-width: 1200px;
  margin: 0 auto;
}
.content-section .section-container .section-header {
  text-align: center;
  margin-bottom: 3rem;
}
@media (max-width: 768px) {
  .content-section .section-container .section-header {
    margin-bottom: 2rem;
  }
}
.content-section .section-container .section-header .section-badge {
  display: inline-block;
  background: #10b981;
  color: white;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 1rem;
}
.content-section .section-container .section-header h2 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
@media (max-width: 768px) {
  .content-section .section-container .section-header h2 {
    font-size: 36px;
  }
}
@media (max-width: 480px) {
  .content-section .section-container .section-header h2 {
    font-size: 28px;
  }
}
.content-section .section-container .section-header .section-description {
  font-size: 18px;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto;
}
@media (max-width: 768px) {
  .content-section .section-container .section-header .section-description {
    font-size: 16px;
  }
}
.content-section .section-container .section-cta {
  text-align: center;
  margin-top: 3rem;
}
.content-section .section-container .section-cta .btn-section-primary {
  background: #171717;
  color: white;
  padding: 16px 32px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}
.content-section .section-container .section-cta .btn-section-primary:hover {
  background: #262626;
  color: white;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.courses-grid,
.projects-grid,
.blog-grid,
.insights-grid,
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}
@media (max-width: 768px) {
  .courses-grid,
  .projects-grid,
  .blog-grid,
  .insights-grid,
  .research-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.course-item,
.project-item,
.blog-item,
.insight-item,
.research-item {
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.4s ease;
  position: relative;
  background: transparent;
}
.course-item:hover .item-image img,
.project-item:hover .item-image img,
.blog-item:hover .item-image img,
.insight-item:hover .item-image img,
.research-item:hover .item-image img {
  transform: scale(1.05);
}
.course-item .item-image,
.project-item .item-image,
.blog-item .item-image,
.insight-item .item-image,
.research-item .item-image {
  position: relative;
  height: 240px;
  overflow: hidden;
  border-radius: 16px;
}
@media (max-width: 768px) {
  .course-item .item-image,
  .project-item .item-image,
  .blog-item .item-image,
  .insight-item .item-image,
  .research-item .item-image {
    height: 200px;
  }
}
.course-item .item-image img,
.project-item .item-image img,
.blog-item .item-image img,
.insight-item .item-image img,
.research-item .item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  border-radius: 16px;
}
.course-item .item-image .item-badge,
.project-item .item-image .item-badge,
.blog-item .item-image .item-badge,
.insight-item .item-image .item-badge,
.research-item .item-image .item-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.95);
  color: #404040;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.course-item .item-image .item-badge.status-development,
.project-item .item-image .item-badge.status-development,
.blog-item .item-image .item-badge.status-development,
.insight-item .item-image .item-badge.status-development,
.research-item .item-image .item-badge.status-development {
  background: rgba(59, 130, 246, 0.9);
  color: white;
}
.course-item .item-image .item-badge.status-beta,
.project-item .item-image .item-badge.status-beta,
.blog-item .item-image .item-badge.status-beta,
.insight-item .item-image .item-badge.status-beta,
.research-item .item-image .item-badge.status-beta {
  background: rgba(251, 191, 36, 0.9);
  color: white;
}
.course-item .item-image .item-badge.status-live,
.project-item .item-image .item-badge.status-live,
.blog-item .item-image .item-badge.status-live,
.insight-item .item-image .item-badge.status-live,
.research-item .item-image .item-badge.status-live {
  background: rgba(16, 185, 129, 0.9);
  color: white;
}
.course-item .item-content,
.project-item .item-content,
.blog-item .item-content,
.insight-item .item-content,
.research-item .item-content {
  padding: 1.25rem 0;
}
.course-item .item-content h3,
.project-item .item-content h3,
.blog-item .item-content h3,
.insight-item .item-content h3,
.research-item .item-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
@media (max-width: 768px) {
  .course-item .item-content h3,
  .project-item .item-content h3,
  .blog-item .item-content h3,
  .insight-item .item-content h3,
  .research-item .item-content h3 {
    font-size: 18px;
  }
}
.course-item .item-content h3 .title-link,
.project-item .item-content h3 .title-link,
.blog-item .item-content h3 .title-link,
.insight-item .item-content h3 .title-link,
.research-item .item-content h3 .title-link {
  color: inherit;
  text-decoration: none;
  transition: text-decoration 0.2s ease;
}
.course-item .item-content h3 .title-link:hover,
.project-item .item-content h3 .title-link:hover,
.blog-item .item-content h3 .title-link:hover,
.insight-item .item-content h3 .title-link:hover,
.research-item .item-content h3 .title-link:hover {
  color: inherit;
  text-decoration: underline;
}
.course-item .item-content h3 .title-link:visited,
.project-item .item-content h3 .title-link:visited,
.blog-item .item-content h3 .title-link:visited,
.insight-item .item-content h3 .title-link:visited,
.research-item .item-content h3 .title-link:visited {
  color: inherit;
  text-decoration: none;
}
.course-item .item-content h3 .title-link:active,
.project-item .item-content h3 .title-link:active,
.blog-item .item-content h3 .title-link:active,
.insight-item .item-content h3 .title-link:active,
.research-item .item-content h3 .title-link:active {
  color: inherit;
  text-decoration: underline;
}
.course-item .item-content p,
.project-item .item-content p,
.blog-item .item-content p,
.insight-item .item-content p,
.research-item .item-content p {
  line-height: 1.6;
  margin-bottom: 1rem;
  font-size: 16px;
}
.course-item .item-content .item-meta,
.project-item .item-content .item-meta,
.blog-item .item-content .item-meta,
.insight-item .item-content .item-meta,
.research-item .item-content .item-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
@media (max-width: 768px) {
  .course-item .item-content .item-meta,
  .project-item .item-content .item-meta,
  .blog-item .item-content .item-meta,
  .insight-item .item-content .item-meta,
  .research-item .item-content .item-meta {
    gap: 0.75rem;
    margin-bottom: 1rem;
  }
}
.course-item .item-content .item-meta .meta-item,
.project-item .item-content .item-meta .meta-item,
.blog-item .item-content .item-meta .meta-item,
.insight-item .item-content .item-meta .meta-item,
.research-item .item-content .item-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 14px;
  font-weight: 500;
}
.course-item .item-content .item-meta .meta-item i,
.project-item .item-content .item-meta .meta-item i,
.blog-item .item-content .item-meta .meta-item i,
.insight-item .item-content .item-meta .meta-item i,
.research-item .item-content .item-meta .meta-item i {
  font-size: 12px;
  color: #737373;
}
.course-item .item-content .btn-course,
.course-item .item-content .btn-project,
.course-item .item-content .btn-blog,
.course-item .item-content .btn-insight,
.course-item .item-content .btn-research,
.project-item .item-content .btn-course,
.project-item .item-content .btn-project,
.project-item .item-content .btn-blog,
.project-item .item-content .btn-insight,
.project-item .item-content .btn-research,
.blog-item .item-content .btn-course,
.blog-item .item-content .btn-project,
.blog-item .item-content .btn-blog,
.blog-item .item-content .btn-insight,
.blog-item .item-content .btn-research,
.insight-item .item-content .btn-course,
.insight-item .item-content .btn-project,
.insight-item .item-content .btn-blog,
.insight-item .item-content .btn-insight,
.insight-item .item-content .btn-research,
.research-item .item-content .btn-course,
.research-item .item-content .btn-project,
.research-item .item-content .btn-blog,
.research-item .item-content .btn-insight,
.research-item .item-content .btn-research {
  background: #171717;
  color: white;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}
.course-item .item-content .btn-course:hover,
.course-item .item-content .btn-project:hover,
.course-item .item-content .btn-blog:hover,
.course-item .item-content .btn-insight:hover,
.course-item .item-content .btn-research:hover,
.project-item .item-content .btn-course:hover,
.project-item .item-content .btn-project:hover,
.project-item .item-content .btn-blog:hover,
.project-item .item-content .btn-insight:hover,
.project-item .item-content .btn-research:hover,
.blog-item .item-content .btn-course:hover,
.blog-item .item-content .btn-project:hover,
.blog-item .item-content .btn-blog:hover,
.blog-item .item-content .btn-insight:hover,
.blog-item .item-content .btn-research:hover,
.insight-item .item-content .btn-course:hover,
.insight-item .item-content .btn-project:hover,
.insight-item .item-content .btn-blog:hover,
.insight-item .item-content .btn-insight:hover,
.insight-item .item-content .btn-research:hover,
.research-item .item-content .btn-course:hover,
.research-item .item-content .btn-project:hover,
.research-item .item-content .btn-blog:hover,
.research-item .item-content .btn-insight:hover,
.research-item .item-content .btn-research:hover {
  background: #262626;
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.course-item .item-content .btn-course,
.project-item .item-content .btn-course,
.blog-item .item-content .btn-course,
.insight-item .item-content .btn-course,
.research-item .item-content .btn-course {
  background: #10b981;
}
.course-item .item-content .btn-course:hover,
.project-item .item-content .btn-course:hover,
.blog-item .item-content .btn-course:hover,
.insight-item .item-content .btn-course:hover,
.research-item .item-content .btn-course:hover {
  background: #059669;
}
.course-item.featured .item-image,
.project-item.featured .item-image,
.blog-item.featured .item-image,
.insight-item.featured .item-image,
.research-item.featured .item-image {
  height: 280px;
}
@media (max-width: 768px) {
  .course-item.featured .item-image,
  .project-item.featured .item-image,
  .blog-item.featured .item-image,
  .insight-item.featured .item-image,
  .research-item.featured .item-image {
    height: 240px;
  }
}
.course-item.featured .item-badge,
.project-item.featured .item-badge,
.blog-item.featured .item-badge,
.insight-item.featured .item-badge,
.research-item.featured .item-badge {
  background: rgba(16, 185, 129, 0.9);
  color: white;
}

.research-section .research-grid {
  grid-template-columns: 1fr;
  width: 100%;
  margin: 0 auto;
}
.research-section .research-item .item-content {
  padding-top: 0.75rem;
}

.course-item .item-content,
.project-item .item-content,
.insight-item .item-content,
.research-item .item-content {
  display: block;
}

.title-link {
  color: inherit;
  text-decoration: none;
  transition: text-decoration 0.2s ease;
}
.title-link:hover {
  color: inherit;
  text-decoration: underline;
}
.title-link:visited {
  color: inherit;
  text-decoration: none;
}
.title-link:active {
  color: inherit;
  text-decoration: underline;
}

.collection-card {
  background: transparent !important;
  border: none;
  box-shadow: none;
  border-radius: 0;
  display: block;
  color: #f5f5f5;
}
.collection-card .card-header {
  padding: 1em;
  border: none !important;
}
.collection-card .card-meta {
  padding-left: 1em !important;
  padding-right: 0 !important;
}
.collection-card .card-actions {
  padding: 1em 0 0 0;
  border: none !important;
  background: transparent;
  margin-top: 1rem;
}

.collection-card .item-image {
  position: relative;
  height: 240px;
  overflow: hidden;
  border-radius: 16px;
  margin-bottom: 1rem;
}
@media (max-width: 768px) {
  .collection-card .item-image {
    height: 200px;
  }
}
.collection-card .item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

/*======================================================
// SOCIAL SHARING COMPONENT
//======================================================*/
.social-sharing {
  background: #fafafa;
  border-radius: 0.75rem;
  padding: 2rem;
  margin: 3rem 0;
  border: 1px solid #e5e5e5;
}
@media (max-width: 768px) {
  .social-sharing {
    padding: 1.5rem;
    margin: 2rem 0;
  }
}
.social-sharing h3 {
  font-size: 2rem;
  font-weight: 600;
  color: #262626;
  margin-bottom: 1.5rem;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}
@media (max-width: 768px) {
  .social-sharing h3 {
    font-size: 1.75rem;
    margin-bottom: 1.25rem;
  }
}
.social-sharing h3 i {
  color: #525252;
  font-size: 1.75rem;
}
.social-sharing .sharing-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
@media (max-width: 768px) {
  .social-sharing .sharing-buttons {
    gap: 0.75rem;
  }
}
@media (max-width: 480px) {
  .social-sharing .sharing-buttons {
    justify-content: stretch;
    flex-direction: column;
    gap: 0.75rem;
  }
}
.social-sharing .share-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
  border: none;
  cursor: pointer;
  min-width: 120px;
  justify-content: center;
}
@media (max-width: 768px) {
  .social-sharing .share-btn {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    min-width: 100px;
  }
}
@media (max-width: 480px) {
  .social-sharing .share-btn {
    min-width: auto;
    justify-content: center;
  }
}
.social-sharing .share-btn i {
  font-size: 1.5rem;
}
@media (max-width: 768px) {
  .social-sharing .share-btn i {
    font-size: 1.25rem;
  }
}
.social-sharing .share-btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}
.social-sharing .share-btn.twitter-btn {
  background: #1da1f2;
  color: white;
}
.social-sharing .share-btn.twitter-btn:hover {
  background: #0d8bd9;
  color: white;
}
.social-sharing .share-btn.linkedin-btn {
  background: #0077b5;
  color: white;
}
.social-sharing .share-btn.linkedin-btn:hover {
  background: #005582;
  color: white;
}
.social-sharing .share-btn.facebook-btn {
  background: #1877f2;
  color: white;
}
.social-sharing .share-btn.facebook-btn:hover {
  background: #0c5aa6;
  color: white;
}
.social-sharing .share-btn.email-btn {
  background: #525252;
  color: white;
}
.social-sharing .share-btn.email-btn:hover {
  background: #404040;
  color: white;
}
.social-sharing .share-btn.copy-btn {
  background: #e5e5e5;
  color: #262626;
}
.social-sharing .share-btn.copy-btn:hover {
  background: #d4d4d4;
  color: #171717;
}
.social-sharing .share-btn.copy-btn.copied {
  background: #10b981;
  color: white;
}
.social-sharing .share-btn.copy-btn.copied:hover {
  background: #059669;
}

@media (max-width: 480px) {
  .social-sharing .sharing-buttons .share-btn {
    min-width: 50px;
    padding: 0.75rem;
  }
  .social-sharing .sharing-buttons .share-btn span {
    display: none;
  }
  .social-sharing .sharing-buttons .share-btn i {
    font-size: 1.75rem;
  }
}
html,
body {
  height: 100%;
  width: 100%;
  background: #020309;
}

body {
  font-family: "Merriweather", "Helvetica Neue", Arial, sans-serif;
}

hr {
  border-color: #F05F40;
  border-width: 1rem;
  max-width: 8rem;
  margin: 1.5rem auto;
}

hr.light {
  border-color: white;
}

a {
  -webkit-transition: all 0.35s;
  -moz-transition: all 0.35s;
  transition: all 0.35s;
  color: #e04b2d;
}
a:hover, a:focus {
  color: rgb(234.5776699029, 56.4951456311, 18.4223300971);
}

.bg-primary {
  background-color: #F05F40;
}

.bg-dark {
  background-color: #1f2937;
  color: white;
}

.text-faded {
  color: rgba(255, 255, 255, 0.7);
}

section {
  padding: 2rem 0;
}

aside {
  padding: 1.5rem 0;
}

.no-padding {
  padding: 0;
}

.navbar-default {
  background-color: white;
  border-color: rgba(31, 41, 55, 0.5);
  font-family: "Open Sans", "Helvetica Neue", Arial, sans-serif;
  -webkit-transition: all 0.35s;
  -moz-transition: all 0.35s;
  transition: all 0.35s;
}
.navbar-default .navbar-header .navbar-brand {
  color: #1f2937;
  font-family: "Open Sans", "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  text-transform: uppercase;
}
.navbar-default .navbar-header .navbar-brand:hover, .navbar-default .navbar-header .navbar-brand:focus {
  color: rgb(12.6162790698, 16.6860465116, 22.3837209302);
}
.navbar-default .nav > li > a,
.navbar-default .nav > li > a:focus {
  text-transform: uppercase;
  color: #1f2937;
}
.navbar-default .nav > li > a:hover,
.navbar-default .nav > li > a:focus:hover {
  color: #F05F40;
}
.navbar-default .nav > li.active > a,
.navbar-default .nav > li.active > a:focus {
  background-color: transparent;
}
.navbar-default .nav > li.active > a:hover,
.navbar-default .nav > li.active > a:focus:hover {
  background-color: transparent;
}
@media (min-width: 768px) {
  .navbar-default {
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.3);
  }
  .navbar-default .navbar-header .navbar-brand {
    color: rgba(255, 255, 255, 0.7);
  }
  .navbar-default .navbar-header .navbar-brand:hover, .navbar-default .navbar-header .navbar-brand:focus {
    color: white;
  }
  .navbar-default .nav > li > a,
  .navbar-default .nav > li > a:focus {
    color: rgba(255, 255, 255, 0.7);
  }
  .navbar-default .nav > li > a:hover,
  .navbar-default .nav > li > a:focus:hover {
    color: white;
  }
  .navbar-default.affix {
    background-color: white;
    border-color: rgba(31, 41, 55, 0.5);
  }
  .navbar-default.affix .navbar-header .navbar-brand {
    color: #1f2937;
  }
  .navbar-default.affix .navbar-header .navbar-brand:hover, .navbar-default.affix .navbar-header .navbar-brand:focus {
    color: rgb(12.6162790698, 16.6860465116, 22.3837209302);
  }
  .navbar-default.affix .nav > li > a,
  .navbar-default.affix .nav > li > a:focus {
    color: #1f2937;
  }
  .navbar-default.affix .nav > li > a:hover,
  .navbar-default.affix .nav > li > a:focus:hover {
    color: #F05F40;
  }
}

.section-heading {
  margin-top: 0;
}

.service-box {
  max-width: 40rem;
  margin: 5rem auto 0;
}
@media (min-width: 992px) {
  .service-box {
    margin: 2rem auto 0;
  }
}
.service-box p {
  margin-bottom: 0;
}

.portfolio-box {
  position: relative;
  display: block;
  max-width: 60rem;
  margin: 0 auto;
}
.portfolio-box .portfolio-box-caption {
  color: white;
  opacity: 0;
  display: block;
  background: rgba(240, 95, 64, 0.9);
  position: absolute;
  bottom: 0;
  text-align: center;
  width: 100%;
  height: 100%;
  -webkit-transition: all 0.35s;
  -moz-transition: all 0.35s;
  transition: all 0.35s;
}
.portfolio-box .portfolio-box-caption .portfolio-box-caption-content {
  width: 100%;
  text-align: center;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}
.portfolio-box .portfolio-box-caption .portfolio-box-caption-content .project-category,
.portfolio-box .portfolio-box-caption .portfolio-box-caption-content .project-name {
  font-family: "Open Sans", "Helvetica Neue", Arial, sans-serif;
  padding: 0 1.5rem;
}
.portfolio-box .portfolio-box-caption .portfolio-box-caption-content .project-category {
  text-transform: uppercase;
  font-weight: 600;
  font-size: 1.25rem;
}
.portfolio-box .portfolio-box-caption .portfolio-box-caption-content .project-name {
  font-size: 2rem;
}
.portfolio-box:hover .portfolio-box-caption {
  opacity: 1;
}
@media (min-width: 768px) {
  .portfolio-box .portfolio-box-caption .portfolio-box-caption-content .project-category {
    font-size: 1.5rem;
  }
  .portfolio-box .portfolio-box-caption .portfolio-box-caption-content .project-name {
    font-size: 3rem;
  }
}

.call-to-action h2 {
  margin: 0 auto 2rem;
}

.text-primary {
  color: #F05F40;
}

.no-gutter > [class*=col-] {
  padding-right: 0;
  padding-left: 0;
}

.btn-default {
  color: #f9fafb;
  background-color: #1f2937;
  border-color: #F05F40;
  -webkit-transition: all 0.35s;
  -moz-transition: all 0.35s;
  transition: all 0.35s;
}
.btn-default:hover, .btn-default:focus, .btn-default.focus, .btn-default:active, .btn-default.active, .open > .dropdown-toggle .btn-default {
  color: #f9fafb;
  background-color: rgb(21.8081395349, 28.8430232558, 38.6918604651);
  border-color: rgb(237.4004854369, 67.2718446602, 30.8995145631);
}
.btn-default:active, .btn-default.active, .open > .dropdown-toggle .btn-default {
  background-image: none;
}
.btn-default.disabled, .btn-default.disabled:hover, .btn-default.disabled:focus, .btn-default.disabled.focus, .btn-default.disabled:active, .btn-default.disabled.active, .btn-default[disabled], .btn-default[disabled]:hover, .btn-default[disabled]:focus, .btn-default[disabled].focus, .btn-default[disabled]:active, .btn-default[disabled].active, fieldset[disabled] .btn-default, fieldset[disabled] .btn-default:hover, fieldset[disabled] .btn-default:focus, fieldset[disabled] .btn-default.focus, fieldset[disabled] .btn-default:active, fieldset[disabled] .btn-default.active {
  background-color: #1f2937;
  border-color: #F05F40;
}
.btn-default .badge {
  color: #1f2937;
  background-color: #f9fafb;
}

.btn-primary {
  color: white;
  background-color: #F05F40;
  border-color: #F05F40;
  -webkit-transition: all 0.35s;
  -moz-transition: all 0.35s;
  transition: all 0.35s;
}
.btn-primary:hover, .btn-primary:focus, .btn-primary.focus, .btn-primary:active, .btn-primary.active, .open > .dropdown-toggle .btn-primary {
  color: white;
  background-color: rgb(238.1432038835, 75.1941747573, 40.3567961165);
  border-color: rgb(237.4004854369, 67.2718446602, 30.8995145631);
}
.btn-primary:active, .btn-primary.active, .open > .dropdown-toggle .btn-primary {
  background-image: none;
}
.btn-primary.disabled, .btn-primary.disabled:hover, .btn-primary.disabled:focus, .btn-primary.disabled.focus, .btn-primary.disabled:active, .btn-primary.disabled.active, .btn-primary[disabled], .btn-primary[disabled]:hover, .btn-primary[disabled]:focus, .btn-primary[disabled].focus, .btn-primary[disabled]:active, .btn-primary[disabled].active, fieldset[disabled] .btn-primary, fieldset[disabled] .btn-primary:hover, fieldset[disabled] .btn-primary:focus, fieldset[disabled] .btn-primary.focus, fieldset[disabled] .btn-primary:active, fieldset[disabled] .btn-primary.active {
  background-color: #F05F40;
  border-color: #F05F40;
}
.btn-primary .badge {
  color: #F05F40;
  background-color: white;
}

.btn {
  font-family: "Open Sans", "Helvetica Neue", Arial, sans-serif;
  border: none;
  border-radius: 2rem;
  font-weight: 700;
  text-transform: uppercase;
}

.btn-xl {
  padding: 1.5rem 3rem;
}

#contact .fa {
  font-size: 4em;
}

::-moz-selection {
  color: white;
  text-shadow: none;
  background: #1f2937;
}

::selection {
  color: white;
  text-shadow: none;
  background: #1f2937;
}

img::selection {
  color: white;
  background: transparent;
}

img::-moz-selection {
  color: white;
  background: transparent;
}

body {
  -webkit-tap-highlight-color: #1f2937;
}

.btn,
.btn-primary,
.btn-secondary,
.btn-outline,
.btn-ghost,
.btn-success,
.btn-warning,
.btn-error,
.btn-info {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 200ms cubic-bezier(0, 0, 0.2, 1);
  user-select: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn:focus,
.btn-primary:focus,
.btn-secondary:focus,
.btn-outline:focus,
.btn-ghost:focus,
.btn-success:focus,
.btn-warning:focus,
.btn-error:focus,
.btn-info:focus {
  outline: 2px solid #F05F40;
  outline-offset: 2px;
}
.btn:disabled,
.btn-primary:disabled,
.btn-secondary:disabled,
.btn-outline:disabled,
.btn-ghost:disabled,
.btn-success:disabled,
.btn-warning:disabled,
.btn-error:disabled,
.btn-info:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}
.btn:active,
.btn-primary:active,
.btn-secondary:active,
.btn-outline:active,
.btn-ghost:active,
.btn-success:active,
.btn-warning:active,
.btn-error:active,
.btn-info:active {
  transform: translateY(1px);
}

.btn-xs {
  padding: 0.5rem 0.75rem;
  font-size: 1rem;
  line-height: 1;
}

.btn-sm {
  padding: 0.5rem 0.75rem;
  font-size: 1.25rem;
  line-height: 1.25;
}

.btn-md,
.btn {
  padding: 0.75rem 1rem;
  font-size: 1.5rem;
  line-height: 1.5;
}

.btn-lg {
  padding: 1rem 1.5rem;
  font-size: 1.75rem;
  line-height: 1.5;
}

.btn-xl {
  padding: 1.25rem 2rem;
  font-size: 2rem;
  line-height: 1.5;
}

.btn-primary,
.view-details-btn,
.btn-primary-prosody {
  background: linear-gradient(135deg, #F05F40 0%, #e04b2d 100%);
  color: #ffffff;
  border-color: #e04b2d;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.btn-primary:hover,
.view-details-btn:hover,
.btn-primary-prosody:hover {
  background: linear-gradient(135deg, #e04b2d 0%, #cc3b1e 100%);
  border-color: #cc3b1e;
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
  background: #f3f4f6;
  color: #374151;
  border-color: #d1d5db;
}
.btn-secondary:hover {
  background: #e5e7eb;
  border-color: #9ca3af;
  color: #1f2937;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
}

.btn-outline,
.btn-outline-primary,
#expand-blog-btn,
#expand-publications-btn,
#expand-projects-btn,
#expand-courses-btn {
  background: transparent;
  color: #e04b2d;
  border-color: #e04b2d;
}
.btn-outline:hover,
.btn-outline-primary:hover,
#expand-blog-btn:hover,
#expand-publications-btn:hover,
#expand-projects-btn:hover,
#expand-courses-btn:hover {
  background: #e04b2d;
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
}

.btn-outline-secondary, #collapse-blog-btn,
#collapse-publications-btn,
#collapse-projects-btn,
#collapse-courses-btn {
  background: transparent;
  color: #6b7280;
  border-color: #d1d5db;
}
.btn-outline-secondary:hover, #collapse-blog-btn:hover,
#collapse-publications-btn:hover,
#collapse-projects-btn:hover,
#collapse-courses-btn:hover {
  background: #f3f4f6;
  color: #374151;
  border-color: #9ca3af;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: #6b7280;
  border-color: transparent;
}
.btn-ghost:hover {
  background: #f3f4f6;
  color: #374151;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-success,
.enroll-btn,
.btn-success-prosody {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  border-color: #059669;
}
.btn-success:hover,
.enroll-btn:hover,
.btn-success-prosody:hover {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  border-color: #047857;
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.btn-outline-success {
  background: transparent;
  color: #059669;
  border-color: #10b981;
}
.btn-outline-success:hover {
  background: #10b981;
  color: #ffffff;
  border-color: #059669;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-warning {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  border-color: #d97706;
}
.btn-warning:hover {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  border-color: #b45309;
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.btn-error,
.btn-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: #ffffff;
  border-color: #dc2626;
}
.btn-error:hover,
.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  border-color: #b91c1c;
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.btn-info {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: #ffffff;
  border-color: #2563eb;
}
.btn-info:hover {
  background: linear-gradient(135deg, #2563eb 0%, #cc3b1e 100%);
  border-color: #cc3b1e;
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.btn-pdf {
  background: transparent;
  color: #dc2626;
  border-color: #dc2626;
}
.btn-pdf:hover {
  background: #dc2626;
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-doi {
  background: transparent;
  color: #0891b2;
  border-color: #0891b2;
}
.btn-doi:hover {
  background: #0891b2;
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-github {
  background: transparent;
  color: #374151;
  border-color: #6b7280;
}
.btn-github:hover {
  background: #374151;
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-demo {
  background: transparent;
  color: #0891b2;
  border-color: #0891b2;
}
.btn-demo:hover {
  background: #0891b2;
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-group {
  display: inline-flex;
  gap: 0.5rem;
}
.btn-group .btn:not(:last-child) {
  margin-right: 0;
}

.btn-group-connected {
  display: inline-flex;
}
.btn-group-connected .btn {
  border-radius: 0;
  margin-right: -1px;
}
.btn-group-connected .btn:first-child {
  border-top-left-radius: 0.5rem;
  border-bottom-left-radius: 0.5rem;
}
.btn-group-connected .btn:last-child {
  border-top-right-radius: 0.5rem;
  border-bottom-right-radius: 0.5rem;
  margin-right: 0;
}
.btn-group-connected .btn:hover {
  z-index: 10;
}

.btn-block {
  width: 100%;
  justify-content: center;
}

.btn-icon-only {
  padding: 0.75rem;
}
.btn-icon-only.btn-sm {
  padding: 0.5rem;
}
.btn-icon-only.btn-lg {
  padding: 1rem;
}

.btn-loading {
  position: relative;
  color: transparent !important;
}
.btn-loading::after {
  content: "";
  position: absolute;
  width: 1rem;
  height: 1rem;
  top: 50%;
  left: 50%;
  margin-left: -0.5rem;
  margin-top: -0.5rem;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 9999px;
  animation: btn-loading-spin 1000ms ease infinite;
}

@keyframes btn-loading-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
@media (max-width: 768px) {
  .btn-responsive {
    width: 100%;
    justify-content: center;
  }
  .btn-group-responsive {
    flex-direction: column;
    width: 100%;
  }
  .btn-group-responsive .btn {
    width: 100%;
    justify-content: center;
  }
}
.card-actions .btn {
  flex: 1;
  min-width: 120px;
}
@media (max-width: 768px) {
  .card-actions .btn {
    min-width: 100px;
    font-size: 1.25rem;
    padding: 0.5rem 1rem;
  }
}

#expand-blog-btn,
#expand-publications-btn,
#expand-projects-btn,
#expand-courses-btn {
  border-radius: 1.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
}
#expand-blog-btn:hover,
#expand-publications-btn:hover,
#expand-projects-btn:hover,
#expand-courses-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

#collapse-blog-btn,
#collapse-publications-btn,
#collapse-projects-btn,
#collapse-courses-btn {
  border-radius: 1rem;
  padding: 0.5rem 1.25rem;
}
#collapse-blog-btn:hover,
#collapse-publications-btn:hover,
#collapse-projects-btn:hover,
#collapse-courses-btn:hover {
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: 2px solid #F05F40;
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .btn {
    transition: none;
  }
  .btn:hover {
    transform: none;
  }
  .btn:active {
    transform: none;
  }
}
@media (prefers-contrast: high) {
  .btn {
    border-width: 2px;
  }
  .btn-outline {
    border-width: 2px;
  }
}
.contact-section {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: 3rem 0;
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23000" opacity="0.02"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  pointer-events: none;
}

.contact-container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  position: relative;
  z-index: 1;
}

.contact-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.contact-header .section-heading {
  font-size: 2.5rem;
  font-weight: 600;
  color: #343a40;
  margin: 0;
}
.contact-header .primary {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #F05F40, #ff8a65);
  border: none;
  margin: 0;
}
.contact-header .lead {
  font-size: 1.1rem;
  line-height: 1.5;
  color: #495057;
  max-width: 700px;
  margin: 0;
}
.contact-header .text-muted {
  font-size: 0.95rem;
  color: #6c757d;
  max-width: 600px;
  margin: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 700px;
  margin: 0 auto;
  width: 100%;
}

.contact-item {
  background: #f5f5f5;
  border-radius: 8px;
  padding: 2rem 1.5rem;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-height: 180px;
}
.contact-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #F05F40, #ff8a65);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.contact-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}
.contact-item:hover::before {
  transform: scaleX(1);
}

.contact-icon {
  margin-bottom: 1rem;
  flex-shrink: 0;
}
.contact-icon i {
  font-size: 2.5rem;
  color: #f5f5f5;
  transition: all 0.3s ease;
}

.contact-link {
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
}
.contact-link:hover {
  transform: scale(1.1);
}
.contact-link:hover i {
  color: #10b981;
}

.contact-title {
  color: #f5f5f5;
  font-weight: 600;
  font-size: 1.25rem;
  margin: 0 0 1rem 0;
  flex-shrink: 0;
}

.contact-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}
.contact-content .text-muted {
  font-size: 0.85rem;
  color: #6c757d;
  margin: 0;
}

.contact-text {
  margin: 0;
  font-size: 1rem;
}

.contact-detail {
  color: #495057;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}
.contact-detail:hover {
  color: #F05F40;
  text-decoration: none;
}

.contact-cta {
  display: flex;
  justify-content: center;
  margin-top: 1rem;
}

.cta-box {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  border: 1px solid rgba(240, 95, 64, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  padding: 2.5rem 2rem;
  max-width: 600px;
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.cta-box h4 {
  color: #343a40;
  font-weight: 600;
  font-size: 1.5rem;
  margin: 0;
}
.cta-box p {
  color: #6c757d;
  font-size: 1rem;
  line-height: 1.5;
  margin: 0;
  max-width: 500px;
}
.cta-box .btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
  border-radius: 6px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}
.cta-box .btn-lg:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(240, 95, 64, 0.3);
}

@media (max-width: 768px) {
  .contact-container {
    padding: 0 1.5rem;
    gap: 2rem;
  }
  .contact-header .section-heading {
    font-size: 2rem;
  }
  .contact-header .lead {
    font-size: 1rem;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    max-width: 400px;
  }
  .contact-item {
    padding: 1.5rem 1rem;
    min-height: 150px;
  }
  .contact-icon i {
    font-size: 2rem;
  }
  .contact-title {
    font-size: 1.1rem;
  }
  .cta-box {
    padding: 2rem 1.5rem;
  }
  .cta-box h4 {
    font-size: 1.25rem;
  }
  .cta-box .btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: 0.9rem;
  }
}
@media (max-width: 480px) {
  .contact-section {
    min-height: auto;
    padding: 2rem 0;
  }
  .contact-container {
    padding: 0 1rem;
    gap: 1.5rem;
  }
  .contact-header .section-heading {
    font-size: 1.75rem;
  }
  .contact-item {
    padding: 1.25rem 0.75rem;
    min-height: 130px;
  }
}
#our-work {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
#our-work .bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(82, 113, 196, 0.9) 0%, rgba(82, 113, 196, 0.7) 100%);
  z-index: 1;
}
#our-work .container {
  position: relative;
  z-index: 3;
  pointer-events: none;
}
#our-work .container .btn, #our-work .container a, #our-work .container button {
  pointer-events: auto;
}
#our-work .section-heading {
  color: white;
  margin-bottom: 30px;
  font-size: 48px;
  font-weight: 300;
  pointer-events: none;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3), 0 4px 8px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 4;
}
#our-work .light {
  width: 100px;
  margin: 30px auto;
  pointer-events: none;
}
#our-work .text-faded {
  font-size: 24px;
  line-height: 1.6;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  pointer-events: none;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 2px 6px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 4;
}
#our-work .btn-default {
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 15px 40px;
  font-size: 18px;
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 10;
  pointer-events: auto;
}
#our-work .btn-default:before {
  content: "";
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  background: rgba(82, 113, 196, 0.3);
  backdrop-filter: blur(20px);
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}
#our-work .btn-default:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  z-index: 15;
}
#our-work .btn-default:hover:before {
  opacity: 1;
}
#our-work .btn-default i {
  margin-left: 10px;
}

.bubble-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
  overflow: hidden;
}

.thermo-bubble {
  position: absolute;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  will-change: transform, left, top;
  opacity: 0.85;
  visibility: visible;
  z-index: 2;
  min-width: 60px;
  min-height: 60px;
}
.thermo-bubble:hover {
  border-color: rgba(255, 255, 255, 0.8);
  color: white;
  text-decoration: none;
  z-index: 8;
  transform: scale(1.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  opacity: 1;
}
.thermo-bubble:focus {
  color: white;
  text-decoration: none;
  outline: 3px solid rgba(255, 255, 255, 0.5);
  outline-offset: 3px;
  z-index: 8;
  opacity: 1;
}
.thermo-bubble.grad-1 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.thermo-bubble.grad-1:hover {
  background: linear-gradient(135deg, #7c8df1 0%, #8b5fbf 100%);
}
.thermo-bubble.grad-2 {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}
.thermo-bubble.grad-2:hover {
  background: linear-gradient(135deg, #f2a5fc 0%, #f76b7e 100%);
}
.thermo-bubble.grad-3 {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}
.thermo-bubble.grad-3:hover {
  background: linear-gradient(135deg, #66b7fe 0%, #33f4fe 100%);
}
.thermo-bubble.grad-4 {
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}
.thermo-bubble.grad-4:hover {
  background: linear-gradient(135deg, #b5f0ed 0%, #fedbea 100%);
}
.thermo-bubble.grad-5 {
  background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}
.thermo-bubble.grad-5:hover {
  background: linear-gradient(135deg, #ffefdb 0%, #fdcab8 100%);
}
.thermo-bubble i {
  font-size: 32px;
  transition: all 0.3s ease;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  pointer-events: none;
}
.thermo-bubble:hover i {
  transform: scale(1.1);
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
}

.expansion-overlay {
  position: fixed;
  display: none;
  z-index: 9999;
  pointer-events: none;
}

#publications {
  padding: 5em 0;
  min-height: 100vh;
  display: flex;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
#publications .section-heading {
  color: white;
  margin-bottom: 3rem;
}
#publications .row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}
#publications .col-lg-4, #publications .col-md-6 {
  flex: 0 0 350px;
  margin-bottom: 2rem;
}
@media (max-width: 1200px) {
  #publications .col-lg-4, #publications .col-md-6 {
    flex: 0 0 320px;
  }
}
@media (max-width: 768px) {
  #publications .col-lg-4, #publications .col-md-6 {
    flex: 0 0 100%;
    max-width: 400px;
  }
}
#publications .publication-card {
  background: rgba(255, 255, 255, 0.97);
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.4);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  height: 450px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  backdrop-filter: blur(20px);
  position: relative;
}
#publications .publication-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  background: rgba(255, 255, 255, 0.99);
}
#publications .publication-card .publication-header {
  padding: 2rem 2rem 1rem;
  position: relative;
}
#publications .publication-card .publication-header .publication-title {
  margin: 0 0 1rem 0;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.3;
  color: #1a202c;
  padding-right: 80px;
}
#publications .publication-card .publication-header .publication-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}
#publications .publication-card .publication-header .publication-title a:hover {
  color: #3182ce;
}
#publications .publication-card .publication-header .publication-status {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.4rem 0.8rem;
  border-radius: 15px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(72, 187, 120, 0.4);
}
#publications .publication-card .publication-authors {
  color: #4a5568;
  font-size: 0.9rem;
  font-weight: 500;
  margin: 0;
  padding: 0 2rem 0.75rem;
  line-height: 1.4;
}
#publications .publication-card .publication-venue {
  color: #718096;
  font-size: 0.8rem;
  font-weight: 500;
  margin: 0;
  padding: 0 2rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
#publications .publication-card .publication-venue i {
  color: #4299e1;
  font-size: 0.8rem;
}
#publications .publication-card .publication-abstract {
  color: #2d3748;
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0;
  padding: 0 2rem 1.5rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
#publications .publication-card .publication-keywords {
  padding: 1rem 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
}
#publications .publication-card .publication-keywords .keyword-tag {
  background: #f7fafc;
  color: #4a5568;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.3rem 0.6rem;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
}
#publications .publication-card .publication-keywords .keyword-tag.more {
  background: #bee3f8;
  color: #2b6cb0;
  border-color: #90cdf4;
}
#publications .publication-card .publication-actions {
  padding: 1.5rem 2rem 2rem;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
  margin-top: auto;
}
#publications .publication-card .publication-actions .btn-publication-primary {
  background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
  text-align: center;
  margin-bottom: 1rem;
  box-shadow: 0 4px 15px rgba(66, 153, 225, 0.3);
}
#publications .publication-card .publication-actions .btn-publication-primary:hover {
  background: linear-gradient(135deg, #3182ce 0%, #2c5282 100%);
  color: white;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(66, 153, 225, 0.4);
}
#publications .publication-card .publication-actions .publication-links {
  display: flex;
  gap: 0.75rem;
}
#publications .publication-card .publication-actions .publication-links .btn-publication-secondary {
  background: transparent;
  color: #4a5568;
  border: 1.5px solid #e2e8f0;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.8rem;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex: 1;
  justify-content: center;
}
#publications .publication-card .publication-actions .publication-links .btn-publication-secondary:hover {
  background: #f7fafc;
  color: #2d3748;
  border-color: #cbd5e0;
  text-decoration: none;
  transform: translateY(-1px);
}
#publications .publication-card .publication-actions .publication-links .btn-publication-secondary i {
  font-size: 0.8rem;
}
#publications .publications-empty-state {
  padding: 4rem 2rem;
  background: rgba(255, 255, 255, 0.97);
  border-radius: 24px;
  border: 2px dashed rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(20px);
  text-align: center;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}
#publications .publications-empty-state i {
  font-size: 4rem;
  color: #4299e1;
  margin-bottom: 1.5rem;
  opacity: 0.8;
}
#publications .publications-empty-state h4 {
  color: #1a202c;
  margin-bottom: 1rem;
  font-size: 1.5rem;
  font-weight: 800;
}
#publications .publications-empty-state p {
  color: #4a5568;
  margin-bottom: 2rem;
  line-height: 1.6;
  font-size: 1rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}
#publications .publications-empty-state .btn-primary {
  background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
  border: none;
  padding: 1rem 2rem;
  border-radius: 15px;
  font-weight: 700;
  transition: all 0.3s ease;
  box-shadow: 0 8px 25px rgba(66, 153, 225, 0.3);
}
#publications .publications-empty-state .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(66, 153, 225, 0.4);
}

#blog,
.insights-section {
  padding: 5em 0;
}
#blog .section-heading,
.insights-section .section-heading {
  margin-bottom: 1rem;
}
#blog .blog-description,
.insights-section .blog-description {
  font-size: 16px;
  color: #666;
  margin-bottom: 40px;
}

.section-archive-btn {
  margin-top: 50px;
  text-align: center;
}

@media (max-width: 768px) {
  #our-work {
    min-height: 50vh;
  }
  #our-work .section-heading {
    font-size: 36px;
  }
  #our-work .text-faded {
    font-size: 18px;
  }
  .thermo-bubble {
    min-width: 60px;
    max-width: 100px;
    min-height: 60px;
    max-height: 100px;
  }
  .thermo-bubble i {
    font-size: 20px;
  }
  .thermo-bubble:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  }
  .blog-preview .blog-image {
    height: 150px;
  }
}
@media (max-width: 480px) {
  .thermo-bubble {
    min-width: 50px;
    max-width: 80px;
    min-height: 50px;
    max-height: 80px;
  }
  .thermo-bubble i {
    font-size: 16px;
  }
  #our-work {
    min-height: 40vh;
  }
}
/*======================================================
// PROSODY LABS SPLASH SCREEN & COLLAGE SECTIONS
// Modern OpenAI-inspired hero sections for scroll-based navigation
//======================================================*/
.splash-screen {
  min-height: 100vh;
  display: flex;
  justify-content: space-around;
  flex-direction: column;
  position: relative;
  padding: 2rem;
  width: 100%;
  box-sizing: border-box;
  z-index: 1;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
@media (max-width: 768px) {
  .splash-screen {
    padding: 1.5rem 1rem;
  }
}
.splash-screen::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, #020309 0%, rgba(2, 3, 9, 0.7) 0%, rgba(2, 3, 9, 0.7) 100%, #020309 100%), linear-gradient(to bottom, #020309 0%, rgba(2, 3, 9, 0.5) 20%, rgba(2, 3, 9, 0.5) 80%, #020309 100%);
  z-index: 0;
}
.splash-screen .splash-content {
  text-align: right;
  max-width: 80em;
  margin: 10em auto;
  width: 50%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}
.splash-screen .splash-content > * {
  opacity: 0;
  transform: translateY(20px);
  animation: slideInFromTop 1s ease-out forwards;
}
.splash-screen .splash-content .splash-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  padding: 12px 24px;
  border-radius: 32px;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2.5rem;
  box-shadow: 0 8px 32px rgba(16, 185, 129, 0.3);
  animation-delay: 0.1s;
}
.splash-screen .splash-content .splash-badge i {
  font-size: 18px;
}
@media (max-width: 768px) {
  .splash-screen .splash-content .splash-badge {
    font-size: 14px;
    padding: 10px 20px;
    margin-bottom: 2rem;
  }
}
.splash-screen .splash-content .splash-title {
  font-size: 72px;
  font-weight: 800;
  margin-bottom: 2rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
  animation-delay: 0.2s;
}
@media (max-width: 768px) {
  .splash-screen .splash-content .splash-title {
    font-size: 48px;
    margin-bottom: 1.5rem;
  }
}
@media (max-width: 480px) {
  .splash-screen .splash-content .splash-title {
    font-size: 36px;
  }
}
.splash-screen .splash-content .splash-subtitle {
  font-size: 24px;
  color: #fff5f2;
  line-height: 1.6;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  animation-delay: 0.3s;
}
@media (max-width: 768px) {
  .splash-screen .splash-content .splash-subtitle {
    font-size: 20px;
    margin-bottom: 2.5rem;
  }
}
@media (max-width: 480px) {
  .splash-screen .splash-content .splash-subtitle {
    font-size: 18px;
  }
}
.splash-screen .splash-content .splash-actions {
  margin-top: 10rem;
  margin-bottom: 4rem;
  animation-delay: 0.4s;
}
@media (max-width: 768px) {
  .splash-screen .splash-content .splash-actions {
    margin-bottom: 3rem;
  }
}
.splash-screen .splash-content .splash-actions .btn-primary-splash {
  background: #171717;
  color: white;
  padding: 18px 32px;
  border-radius: 12px;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}
.splash-screen .splash-content .splash-actions .btn-primary-splash::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}
.splash-screen .splash-content .splash-actions .btn-primary-splash:hover {
  background: #262626;
  color: white;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}
.splash-screen .splash-content .splash-actions .btn-primary-splash:hover::before {
  left: 100%;
}
.splash-screen .splash-content .splash-actions .btn-primary-splash i {
  font-size: 16px;
  transition: transform 0.3s ease;
}
.splash-screen .splash-content .splash-actions .btn-primary-splash:hover i {
  transform: translateY(2px);
}
@media (max-width: 768px) {
  .splash-screen .splash-content .splash-actions .btn-primary-splash {
    padding: 16px 24px;
    font-size: 16px;
  }
}
.splash-screen .scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-top: 20em;
  opacity: 0.7;
  cursor: pointer;
  transition: opacity 0.3s ease;
  opacity: 0;
  transform: translateY(-20px);
  animation: slideInFromTop 7s ease-out 0.8s forwards;
}
.splash-screen .scroll-indicator:hover {
  opacity: 1;
}
.splash-screen .scroll-indicator .scroll-arrow {
  width: 40px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: bounce 2s infinite;
  transition: all 0.3s ease;
}
.splash-screen .scroll-indicator .scroll-arrow:hover {
  border-color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.1);
}
.splash-screen .scroll-indicator .scroll-arrow i {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}
.splash-screen .scroll-indicator .scroll-text {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}
@media (max-width: 768px) {
  .splash-screen .scroll-indicator {
    margin-top: 3rem;
  }
  .splash-screen .scroll-indicator .scroll-arrow {
    width: 36px;
    height: 36px;
  }
  .splash-screen .scroll-indicator .scroll-arrow i {
    font-size: 12px;
  }
  .splash-screen .scroll-indicator .scroll-text {
    font-size: 12px;
  }
}

.collage-section {
  min-height: 80vh;
  padding: 2em 2rem;
  margin-top: 10em;
  position: relative;
  width: 100%;
  box-sizing: border-box;
  z-index: 1;
}
@media (max-width: 768px) {
  .collage-section {
    padding: 4rem 1rem;
  }
}
.collage-section .collage-container {
  max-width: 70%;
  margin: 0 auto;
}
.collage-section .collage-container > * {
  opacity: 0;
  transform: translateY(20px);
  animation: slideInFromTop 1s ease-out forwards;
}
@media (max-width: 1400px) {
  .collage-section .collage-container {
    max-width: 100%;
  }
}
.collage-section .collage-container .section-intro {
  text-align: center;
  margin-bottom: 2.5em;
}
@media (max-width: 768px) {
  .collage-section .collage-container .section-intro {
    margin-bottom: 3rem;
  }
}
.collage-section .collage-container .section-intro h2 {
  font-size: 56px;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
@media (max-width: 768px) {
  .collage-section .collage-container .section-intro h2 {
    font-size: 40px;
  }
}
@media (max-width: 480px) {
  .collage-section .collage-container .section-intro h2 {
    font-size: 32px;
  }
}
.collage-section .collage-container .section-intro p {
  font-size: 20px;
  line-height: 1.6;
  max-width: 40em;
  margin: 0 auto;
}
@media (max-width: 768px) {
  .collage-section .collage-container .section-intro p {
    font-size: 18px;
  }
}

.collage-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 2.5rem;
  min-height: 100vh;
}
@media (max-width: 768px) {
  .collage-grid {
    grid-template-columns: repeat(1, 1fr);
    grid-template-rows: repeat(1, 1fr);
    gap: 0.75rem;
  }
}
@media (max-width: 480px) {
  .collage-grid {
    grid-template-columns: repeat(1, 1fr);
    grid-template-rows: repeat(1, 180px);
    gap: 0.25rem;
  }
}
.collage-grid .tile-1 {
  grid-column: 1/7;
  grid-row: 1/2;
}
@media (max-width: 1200px) {
  .collage-grid .tile-1 {
    grid-column: 1/7;
    grid-row: 1/2;
  }
}
@media (max-width: 768px) {
  .collage-grid .tile-1 {
    grid-column: 1/-1;
    grid-row: 1/3;
  }
}
@media (max-width: 480px) {
  .collage-grid .tile-1 {
    grid-column: 1/-1;
    grid-row: 1/3;
  }
}
.collage-grid .tile-2 {
  grid-column: 7/-1;
  grid-row: 1/2;
}
@media (max-width: 1200px) {
  .collage-grid .tile-2 {
    grid-column: 7/-1;
    grid-row: 1/2;
  }
}
@media (max-width: 768px) {
  .collage-grid .tile-2 {
    grid-column: 1/-1;
    grid-row: 3;
  }
}
@media (max-width: 480px) {
  .collage-grid .tile-2 {
    grid-column: 1/-1;
    grid-row: 3/6;
  }
}
.collage-grid .tile-3 {
  display: flex;
  flex-direction: row;
  grid-column: 1/7;
  grid-row: 2/-1;
}
@media (max-width: 1200px) {
  .collage-grid .tile-3 {
    grid-column: 1/7;
    grid-row: 2/-1;
  }
}
@media (max-width: 768px) {
  .collage-grid .tile-3 {
    grid-column: 1/-1;
    grid-row: 5;
  }
}
@media (max-width: 480px) {
  .collage-grid .tile-3 {
    grid-column: 1/-1;
    grid-row: 8/10;
  }
}
.collage-grid .tile-4 {
  grid-column: 7/-1;
  grid-row: 2/-1;
}
@media (max-width: 1200px) {
  .collage-grid .tile-4 {
    grid-column: 7/-1;
    grid-row: 2/-1;
  }
}
@media (max-width: 768px) {
  .collage-grid .tile-4 {
    grid-column: 1/-1;
    grid-row: 7;
  }
}
@media (max-width: 480px) {
  .collage-grid .tile-4 {
    grid-column: 1/-1;
    grid-row: 10/12;
  }
}
.collage-grid .tile-5 {
  grid-column: 7/-1;
  grid-row: 4/6;
}
@media (max-width: 1200px) {
  .collage-grid .tile-5 {
    grid-column: 7/-1;
    grid-row: 5/8;
  }
}
@media (max-width: 768px) {
  .collage-grid .tile-5 {
    grid-column: 4/-1;
    grid-row: 6/9;
  }
}
@media (max-width: 480px) {
  .collage-grid .tile-5 {
    grid-column: 1/-1;
    grid-row: 12/14;
  }
}
.collage-grid .tile-6 {
  grid-column: 7/-1;
  grid-row: 4/6;
}
@media (max-width: 1200px) {
  .collage-grid .tile-6 {
    grid-column: 7/-1;
    grid-row: 5/8;
  }
}
@media (max-width: 768px) {
  .collage-grid .tile-6 {
    grid-column: 4/-1;
    grid-row: 6/9;
  }
}
@media (max-width: 480px) {
  .collage-grid .tile-6 {
    grid-column: 1/-1;
    grid-row: 12/14;
  }
}

@keyframes fadeInFromBottom {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes slideInFromBottom {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeInSection {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes slideInFromTop {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.collage-item {
  cursor: pointer;
  transition: all 0.4s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  margin: 2em;
  opacity: 0;
  transform: translateY(30px);
}
.collage-item.item-animate-in {
  opacity: 1;
  transform: translateY(0);
}
.collage-item .item-image {
  position: relative;
  width: 100%;
  height: auto;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}
@media (max-width: 768px) {
  .collage-item .item-image {
    border-radius: 12px;
  }
}
.collage-item .item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
  display: block;
}
.collage-item .item-image .fallback-image {
  width: 100%;
  height: 200px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}
@media (max-width: 768px) {
  .collage-item .item-image .fallback-image {
    border-radius: 12px;
    height: 180px;
  }
}
.collage-item .item-image .fallback-image i {
  font-size: 3rem;
  opacity: 0.8;
  color: white;
  transition: transform 0.3s ease;
}
@media (max-width: 768px) {
  .collage-item .item-image .fallback-image i {
    font-size: 2.5rem;
  }
}
.collage-item .item-image .item-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.8);
  color: #171717;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  z-index: 2;
}
@media (max-width: 768px) {
  .collage-item .item-image .item-badge {
    font-size: 10px;
    padding: 4px 8px;
    top: 8px;
    left: 8px;
  }
}
.collage-item .item-image .item-badge.status-active, .collage-item .item-image .item-badge.status-enrolling-now {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
}
.collage-item .item-image .item-badge.status-development, .collage-item .item-image .item-badge.status-in-development {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
}
.collage-item .item-image .item-badge.status-beta, .collage-item .item-image .item-badge.status-beta-testing {
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
  color: white;
}
.collage-item .item-image .item-badge.status-live, .collage-item .item-image .item-badge.status-production {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
}
.collage-item .item-image:hover img {
  transform: scale(1.05);
}
.collage-item .item-image:hover .fallback-image {
  transform: scale(1.05);
}
.collage-item .item-image:hover .fallback-image i {
  transform: scale(1.1);
}
.collage-item .item-content {
  padding: 16px 0 0 0;
  background: transparent;
}
.collage-item .item-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 8px 0;
  line-height: 1.3;
}
@media (max-width: 768px) {
  .collage-item .item-content h3 {
    font-size: 18px;
  }
}
@media (max-width: 480px) {
  .collage-item .item-content h3 {
    font-size: 16px;
  }
}
.collage-item .item-content p {
  font-size: 14px;
  line-height: 1.5;
  margin: 0 0 12px 0;
}
@media (max-width: 768px) {
  .collage-item .item-content p {
    font-size: 13px;
    margin-bottom: 10px;
  }
}
@media (max-width: 480px) {
  .collage-item .item-content p {
    font-size: 12px;
  }
}
.collage-item .item-content .item-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.collage-item .item-content .item-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: #a3a3a3;
}
@media (max-width: 768px) {
  .collage-item .item-content .item-meta .meta-item {
    font-size: 11px;
  }
}
.collage-item .item-content .item-meta .meta-item i {
  font-size: 12px;
  color: #a3a3a3;
}
@media (max-width: 768px) {
  .collage-item .item-content .item-meta .meta-item i {
    font-size: 9px;
  }
}
.collage-item.medium .item-image {
  height: 220px;
}
.collage-item.medium .item-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.research-section .research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}
@media (max-width: 768px) {
  .research-section .research-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.contact-section {
  min-height: 100vh;
  padding: 8rem 2rem;
  background: #020309;
  position: relative;
  display: flex;
  align-items: center;
}
@media (max-width: 768px) {
  .contact-section {
    padding: 6rem 1.5rem;
    min-height: 80vh;
  }
}
.contact-section .contact-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
.contact-section .contact-container > * {
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
}
.contact-section .contact-header {
  text-align: center;
  margin-bottom: 6rem;
  animation-delay: 0.1s;
}
@media (max-width: 768px) {
  .contact-section .contact-header {
    margin-bottom: 4rem;
  }
}
.contact-section .contact-header .section-heading {
  font-size: 56px;
  font-weight: 700;
  margin-bottom: 2rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #f5f5f5;
}
@media (max-width: 768px) {
  .contact-section .contact-header .section-heading {
    font-size: 40px;
    margin-bottom: 1.5rem;
  }
}
@media (max-width: 480px) {
  .contact-section .contact-header .section-heading {
    font-size: 32px;
  }
}
.contact-section .contact-header .contact-description {
  font-size: 20px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto;
}
@media (max-width: 768px) {
  .contact-section .contact-header .contact-description {
    font-size: 18px;
  }
}
@media (max-width: 480px) {
  .contact-section .contact-header .contact-description {
    font-size: 16px;
  }
}
.contact-section .contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  animation-delay: 0.2s;
  max-width: 900px;
  margin: 0 auto;
}
@media (max-width: 768px) {
  .contact-section .contact-grid {
    gap: 2rem;
    grid-template-columns: 1fr;
  }
}
.contact-section .contact-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 3rem 2rem;
  text-align: center;
  transition: transform 0.2s ease;
  backdrop-filter: blur(20px);
}
@media (max-width: 768px) {
  .contact-section .contact-card {
    padding: 2.5rem 1.5rem;
    border-radius: 20px;
  }
}
.contact-section .contact-card:hover {
  transform: translateY(-4px);
}
.contact-section .contact-card.primary-contact {
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.2);
}
.contact-section .contact-card.primary-contact:hover {
  transform: translateY(-4px);
}
.contact-section .contact-card.primary-contact .contact-title {
  font-size: 28px;
  margin-bottom: 1.5rem;
}
@media (max-width: 768px) {
  .contact-section .contact-card.primary-contact .contact-title {
    font-size: 24px;
  }
}
.contact-section .contact-card.primary-contact .contact-description {
  font-size: 17px;
  margin-bottom: 2rem;
}
@media (max-width: 768px) {
  .contact-section .contact-card.primary-contact .contact-description {
    font-size: 16px;
    margin-bottom: 1.5rem;
  }
}
.contact-section .contact-card .contact-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 1rem;
}
@media (max-width: 768px) {
  .contact-section .contact-card .contact-title {
    font-size: 22px;
  }
}
.contact-section .contact-card .contact-description {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 1.5rem;
}
@media (max-width: 768px) {
  .contact-section .contact-card .contact-description {
    font-size: 15px;
  }
}
.contact-section .contact-card .contact-link {
  display: inline-block;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  margin-bottom: 1rem;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
@media (max-width: 768px) {
  .contact-section .contact-card .contact-link {
    font-size: 16px;
  }
}
.contact-section .contact-card .contact-link:hover {
  color: #f5f5f5;
  border-bottom-color: rgba(255, 255, 255, 0.5);
}
.contact-section .contact-card .contact-meta {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
}
@media (max-width: 768px) {
  .contact-section .contact-card .contact-meta {
    font-size: 13px;
  }
}
.contact-section .contact-card .contact-action-btn {
  background: rgba(255, 255, 255, 0.1);
  padding: 16px 32px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: transform 0.2s ease;
  border: 2px solid rgba(255, 255, 255, 0.25);
  margin-bottom: 1.5rem;
}
@media (max-width: 768px) {
  .contact-section .contact-card .contact-action-btn {
    padding: 14px 24px;
    font-size: 15px;
    gap: 8px;
  }
}
.contact-section .contact-card .contact-action-btn:hover {
  color: #f5f5f5;
  transform: translateY(-2px);
}
.contact-section .contact-card .contact-action-btn i {
  font-size: 14px;
  transition: transform 0.2s ease;
}
@media (max-width: 768px) {
  .contact-section .contact-card .contact-action-btn i {
    font-size: 13px;
  }
}
.contact-section .contact-card .contact-action-btn:hover i {
  transform: translateX(2px);
}
.contact-section .contact-card .contact-details {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  margin-top: 0.5rem;
}
.contact-section .contact-card .contact-details .contact-email {
  display: block;
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 0.5rem;
}
@media (max-width: 768px) {
  .contact-section .contact-card .contact-details .contact-email {
    font-size: 15px;
  }
}

.post-navigation {
  margin-top: 50px;
}

.site-footer {
  margin-top: 100px;
  padding: 30px 0;
  background-color: #f8f8f8;
}

.layout-hero .hero-bg-image {
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}
.layout-hero .hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.1;
}
.layout-hero .container {
  position: relative;
  z-index: 2;
}
.layout-hero .hero-category {
  margin-bottom: 20px;
}
.layout-hero .hero-category .category-badge {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  margin-right: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid rgba(255, 255, 255, 0.3);
}
.layout-hero .hero-title {
  color: white;
  font-size: 48px;
  font-weight: 300;
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}
.layout-hero .hero-subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 24px;
  font-weight: 300;
  margin-bottom: 40px;
  line-height: 1.4;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}
.layout-hero .hero-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  flex-wrap: wrap;
  padding: 1em;
}
.layout-hero .hero-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.layout-hero .hero-meta .meta-item i {
  opacity: 0.8;
}

.project-hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.publication-hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #3730a3 100%);
}
.publication-hero .hero-authors {
  color: rgba(255, 255, 255, 0.9);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 20px;
}
.publication-hero .hero-venue {
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
  font-style: italic;
  margin-bottom: 30px;
}
.publication-hero .hero-venue i {
  margin-right: 8px;
  opacity: 0.8;
}
.publication-hero .hero-title {
  font-size: 42px;
}

.course-hero {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  padding: 120px 0 80px 0;
  margin-top: 0;
}
.course-hero .course-icon-container {
  width: 100px;
  height: 100px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  margin-bottom: 30px;
}
.course-hero .course-icon-container i {
  font-size: 48px;
  color: white;
}
.course-hero .course-category {
  margin-bottom: 20px;
}
.course-hero .course-category .category-badge {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 8px 20px;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}
.course-hero .course-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  flex-wrap: wrap;
}
.course-hero .course-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  padding: 12px 20px;
  border-radius: 25px;
  backdrop-filter: blur(10px);
}
.course-hero .course-meta .meta-item i {
  opacity: 0.8;
}

.collection-layout {
  padding: 120px 0 80px 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.collection-layout .container {
  flex: 1;
}
.collection-layout .collection-description {
  font-size: 18px;
  margin-bottom: 60px;
  color: #666;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.collection-layout .collection-empty {
  margin-bottom: 60px;
}
.collection-layout .collection-empty .empty-section {
  padding: 40px 0;
}
.collection-layout .collection-empty .empty-section .btn {
  margin-bottom: 20px;
}

.layout-content {
  padding: 80px 0;
  background: white;
}
.layout-content .article-body {
  font-size: 18px;
  line-height: 1.8;
}

.blog-content {
  padding: 80px 0;
  background: white;
}
.blog-content .featured-image {
  margin-bottom: 60px;
  text-align: center;
}
.blog-content .featured-image img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}
.blog-content .featured-image .caption {
  margin-top: 15px;
  color: #6b7280;
  font-style: italic;
  font-size: 16px;
}

.project-content {
  padding: 80px 0;
  background: white;
}
.project-content .project-image {
  margin-bottom: 60px;
  text-align: center;
}
.project-content .project-image img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.publication-content {
  padding: 80px 0;
  background: white;
}

.course-content {
  padding: 80px 0;
  background: white;
}

.abstract-section {
  padding: 80px 0;
  background: #f8fafc;
}
.abstract-section .abstract-box {
  background: white;
  padding: 50px;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  border-left: 6px solid #f05f40;
}
.abstract-section .abstract-box h3 {
  color: #1f2937;
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.abstract-section .abstract-box h3 i {
  color: #f05f40;
}
.abstract-section .abstract-box p {
  color: #4b5563;
  font-size: 18px;
  line-height: 1.8;
  margin: 0;
}

.info-box {
  margin: 60px 0;
  padding: 30px;
  border-radius: 12px;
  border-left: 4px solid;
}
.info-box h3 {
  margin-bottom: 20px;
  font-size: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.info-box.tags-box {
  background: #f8fafc;
  border-left-color: #10b981;
}
.info-box.tags-box h3 {
  color: #374151;
}
.info-box.tags-box h3 i {
  color: #10b981;
}
.info-box.tags-box .tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.info-box.tags-box .tags-list .tag {
  background: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  color: #6b7280;
  border: 1px solid #e5e7eb;
  font-weight: 500;
}
.info-box.tech-box {
  background: #f9fafb;
  border-left-color: #f05f40;
}
.info-box.tech-box h3 {
  color: #374151;
}
.info-box.tech-box .tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.info-box.tech-box .tech-list .tech-tag {
  background: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  color: #6b7280;
  border: 1px solid #e5e7eb;
  font-weight: 500;
}
.info-box.outcomes-box {
  background: #f0f9ff;
  border-left-color: #0ea5e9;
}
.info-box.outcomes-box h3 {
  color: #0ea5e9;
}
.info-box.outcomes-box h3 i {
  margin-right: 8px;
}
.info-box.outcomes-box ul {
  list-style: none;
  padding: 0;
}
.info-box.outcomes-box ul li {
  padding: 8px 0;
  color: #1e40af;
  display: flex;
  align-items: flex-start;
}
.info-box.outcomes-box ul li i {
  margin-right: 12px;
  margin-top: 4px;
  color: #10b981;
}
.info-box.prerequisites-box {
  background: #fef3c7;
  border-left-color: #f59e0b;
}
.info-box.prerequisites-box h3 {
  color: #d97706;
}
.info-box.prerequisites-box h3 i {
  margin-right: 8px;
}
.info-box.prerequisites-box ul {
  list-style: none;
  padding: 0;
}
.info-box.prerequisites-box ul li {
  padding: 8px 0;
  color: #92400e;
  display: flex;
  align-items: flex-start;
}
.info-box.prerequisites-box ul li i {
  margin-right: 12px;
  margin-top: 4px;
  color: #d97706;
}
.info-box.tools-box {
  background: #f9fafb;
  border-left-color: #6b7280;
}
.info-box.tools-box h3 {
  color: #374151;
}
.info-box.tools-box .tools-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.info-box.tools-box .tools-list .tool-tag {
  background: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  color: #6b7280;
  border: 1px solid #e5e7eb;
  font-weight: 500;
}
.info-box.pub-tags-box {
  background: #f8fafc;
  border-left-color: #3b82f6;
}
.info-box.pub-tags-box h3 {
  color: #374151;
}
.info-box.pub-tags-box h3 i {
  color: #3b82f6;
}

.course-details {
  padding: 60px 0;
  background: #f9fafb;
  border-bottom: 1px solid #e5e7eb;
}
.course-details .details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}
.course-details .detail-card {
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-left: 4px solid;
}
.course-details .detail-card h4 {
  margin-bottom: 15px;
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.course-details .detail-card .price {
  font-size: 24px;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 10px;
}
.course-details .detail-card .price-note {
  color: #6b7280;
  margin-bottom: 15px;
}
.course-details .detail-card .payment-required {
  color: #dc2626;
  font-size: 14px;
  font-weight: 500;
}
.course-details .detail-card .payment-required i {
  margin-right: 4px;
}
.course-details .detail-card .format-details {
  margin-bottom: 10px;
  color: #1f2937;
}
.course-details .detail-card .format-description {
  color: #6b7280;
  margin-bottom: 10px;
}
.course-details .detail-card .location {
  color: #6b7280;
  font-size: 14px;
}
.course-details .detail-card .location i {
  margin-right: 4px;
}
.course-details .detail-card .capacity {
  margin-bottom: 10px;
  color: #1f2937;
}
.course-details .detail-card .capacity-note {
  color: #6b7280;
  font-size: 14px;
}
.course-details .detail-card.pricing-card {
  border-left-color: #4f46e5;
}
.course-details .detail-card.pricing-card h4 {
  color: #4f46e5;
}
.course-details .detail-card.format-card {
  border-left-color: #059669;
}
.course-details .detail-card.format-card h4 {
  color: #059669;
}
.course-details .detail-card.capacity-card {
  border-left-color: #dc2626;
}
.course-details .detail-card.capacity-card h4 {
  color: #dc2626;
}

.cta-section {
  padding: 80px 0;
  color: white;
}
.cta-section.course-cta {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
}
.cta-section h2 {
  margin-bottom: 30px;
  font-size: 36px;
  font-weight: 300;
}
.cta-section p {
  margin-bottom: 40px;
  font-size: 18px;
  opacity: 0.9;
}
.cta-section .cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.cta-section .contact-note {
  margin-top: 30px;
  font-size: 14px;
  opacity: 0.7;
}
.cta-section .contact-note a {
  color: white;
  text-decoration: underline;
}

.action-links {
  padding: 60px 0;
  border-top: 1px solid #e5e7eb;
}
.action-links.publications-actions {
  background: #f8fafc;
}
.action-links.blog-actions {
  background: #f8fafc;
}
.action-links.project-actions {
  background: #f9fafb;
}
.action-links h3 {
  margin-bottom: 40px;
  color: #374151;
  font-size: 24px;
  font-weight: 600;
}
.action-links .action-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.action-links .citation-section {
  display: none;
  text-align: left;
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}
.action-links .citation-section h4 {
  margin-bottom: 20px;
  color: #374151;
  display: flex;
  align-items: center;
  gap: 10px;
}
.action-links .citation-section h4 i {
  color: #6b7280;
}
.action-links .citation-section .bibtex-code {
  background: #1f2937;
  color: #e5e7eb;
  padding: 20px;
  border-radius: 8px;
  overflow-x: auto;
  font-family: "Monaco", "Menlo", monospace;
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
}

.content-navigation {
  padding: 60px 0;
  background: #020309;
  border-top: 1px solid #e5e7eb;
}
.content-navigation .nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.content-navigation .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #6b7280;
  text-decoration: none;
  font-size: 16px;
  transition: color 0.3s ease;
}
.content-navigation .nav-link:hover {
  color: #374151;
}
.content-navigation .primary-nav {
  background: #f05f40;
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}
.content-navigation .primary-nav:hover {
  background: rgb(234.5776699029, 56.4951456311, 18.4223300971);
  color: white;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}
.action-btn.btn-download {
  background: #dc2626;
  color: white;
}
.action-btn.btn-download:hover {
  background: rgb(178.25, 28.75, 28.75);
  color: white;
}
.action-btn.btn-view {
  background: #0891b2;
  color: white;
}
.action-btn.btn-view:hover {
  background: rgb(5.8064516129, 105.2419354839, 129.1935483871);
  color: white;
}
.action-btn.btn-cite {
  background: #ea580c;
  color: white;
}
.action-btn.btn-cite:hover {
  background: rgb(185.487804878, 69.756097561, 9.512195122);
  color: white;
}
.action-btn.btn-bibtex {
  background: #374151;
  color: white;
  border: none;
  cursor: pointer;
}
.action-btn.btn-bibtex:hover {
  background: rgb(34.375, 40.625, 50.625);
  color: white;
}
.action-btn.btn-demo {
  background: #f05f40;
  color: white;
}
.action-btn.btn-demo:hover {
  background: rgb(234.5776699029, 56.4951456311, 18.4223300971);
  color: white;
}
.action-btn.btn-github {
  background: #374151;
  color: white;
}
.action-btn.btn-github:hover {
  background: rgb(34.375, 40.625, 50.625);
  color: white;
}
.action-btn.btn-docs {
  background: #3b82f6;
  color: white;
}
.action-btn.btn-docs:hover {
  background: rgb(11.1512195122, 99.1219512195, 242.8487804878);
  color: white;
}
.action-btn.btn-enroll {
  background: white;
  color: #4f46e5;
}
.action-btn.btn-enroll:hover {
  background: #f8fafc;
  color: #4f46e5;
}
.action-btn.btn-info {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}
.action-btn.btn-info:hover {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

@media (max-width: 768px) {
  .layout-hero {
    padding: 80px 0 60px 0;
    margin-top: 60px;
  }
  .layout-hero .hero-title {
    font-size: 36px;
  }
  .layout-hero .hero-subtitle {
    font-size: 20px;
  }
  .layout-hero .hero-meta {
    gap: 15px;
    font-size: 14px;
  }
  .course-details .details-grid {
    grid-template-columns: 1fr;
  }
  .info-box {
    margin: 40px 0;
    padding: 20px;
  }
  .cta-section {
    padding: 60px 0;
  }
  .cta-section h2 {
    font-size: 28px;
  }
  .cta-section .cta-buttons {
    gap: 15px;
  }
  .content-navigation .nav-container {
    flex-direction: column;
    gap: 15px;
  }
  .action-buttons {
    gap: 10px;
  }
  .action-btn {
    padding: 12px 20px;
    font-size: 14px;
  }
}
@media (max-width: 480px) {
  .layout-hero .hero-title {
    font-size: 28px;
  }
  .layout-hero .hero-subtitle {
    font-size: 18px;
  }
  .info-box {
    padding: 15px;
  }
  .course-details .detail-card {
    padding: 20px;
  }
  .abstract-section .abstract-box {
    padding: 30px 20px;
  }
}
/*======================================================
// SIMPLE NAVIGATION LAYOUT
// Clean layout without complex scroll behavior
//======================================================*/
.page-container {
  display: flex;
  min-height: 100vh;
  position: relative;
}

.main-content {
  flex: 1;
  margin-left: 0;
  min-height: 100vh;
  background: #020309;
}
.main-content > section {
  position: relative;
  width: 100%;
  min-height: 100vh;
}

.floating-sidebar {
  position: fixed;
  left: 2rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
  visibility: hidden;
}
@media (max-width: 1400px) {
  .floating-sidebar {
    display: none;
  }
}
.floating-sidebar .floating-nav .floating-nav-list {
  list-style: none;
  padding: 0;
  margin: -20em 1em 0 1em;
}
.floating-sidebar .floating-nav .floating-nav-list .floating-nav-item {
  margin-bottom: 0.75rem;
}
.floating-sidebar .floating-nav .floating-nav-list .floating-nav-item:last-child {
  margin-bottom: 0;
}
.floating-sidebar .floating-nav .floating-nav-list .floating-nav-item .floating-nav-link {
  display: block;
  color: #ffffff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: all 0.3s ease;
  text-shadow: 0 0 8px #020309;
}
.floating-sidebar .floating-nav .floating-nav-list .floating-nav-item .floating-nav-link:hover {
  color: #f5f5f5;
  text-decoration: none;
}
.floating-sidebar .floating-nav .floating-nav-list .floating-nav-item .floating-nav-link:hover::before {
  width: 32px;
  opacity: 1;
}
.floating-sidebar .floating-nav .floating-nav-list .floating-nav-item .floating-nav-link.active, .floating-sidebar .floating-nav .floating-nav-list .floating-nav-item .floating-nav-link:hover, .floating-sidebar .floating-nav .floating-nav-list .floating-nav-item .floating-nav-link:active {
  color: #f5f5f5;
  font-weight: 600;
}
.floating-sidebar .floating-nav .floating-nav-list .floating-nav-item .floating-nav-link.active::before, .floating-sidebar .floating-nav .floating-nav-list .floating-nav-item .floating-nav-link:hover::before, .floating-sidebar .floating-nav .floating-nav-list .floating-nav-item .floating-nav-link:active::before {
  content: "";
  position: absolute;
  left: -1.5rem;
  top: 50%;
  transform: translateY(-50%);
  transition: all 0.3s ease;
  opacity: 0.5;
}
@media (max-width: 768px) {
  .floating-sidebar .floating-nav .floating-nav-list .floating-nav-item .floating-nav-link {
    font-size: 12px;
    padding: 0.25rem 0;
  }
}

@keyframes fadeInFromBottom {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes slideInFromBottom {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes slideInFromTop {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeInSection {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-8px);
  }
  60% {
    transform: translateY(-4px);
  }
}
/*======================================================
// collections.scss
//
// Styling for collection list pages like blog, courses,
// publications, etc.
//======================================================*/
/*======================================================
// Professional Collection Design System
// Using centralized design tokens from main.scss
//======================================================*/
/*======================================================
// Base Layout System - Updated for Hero Sections
//======================================================*/
.collection-page {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  color: #374151;
  background: #f9fafb;
}
.collection-page .navbar-default {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e5e7eb;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.collection-page .navbar-default .navbar-brand {
  font-weight: 700;
}
.collection-page .navbar-default .navbar-nav > li > a {
  font-weight: 500;
}
.collection-page .navbar-default .navbar-nav > li > a:hover {
  background-color: transparent;
}
.collection-page .navbar-default .navbar-toggle {
  border-color: #d1d5db;
}
.collection-page .navbar-default .navbar-toggle .icon-bar {
  background-color: #374151;
}
.collection-page .navbar-default .navbar-toggle:hover {
  background-color: #f3f4f6;
}
.collection-page .navbar-default .navbar-collapse {
  border-top: 1px solid #e5e7eb;
}
@media (max-width: 767px) {
  .collection-page .navbar-default .navbar-collapse {
    background-color: #ffffff;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    margin-top: 0.5rem;
    border-radius: 0.5rem;
  }
}

.projects-page {
  background: #f9fafb;
}
.projects-page .navbar-default {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e5e7eb;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.projects-page .navbar-default .navbar-brand {
  font-weight: 700;
}
.projects-page .navbar-default .navbar-nav > li > a {
  font-weight: 500;
}
.projects-page .navbar-default .navbar-nav > li > a:hover {
  background-color: transparent;
}

/*======================================================
// Modern Sidebar Navigation - Enhanced for Course Filtering
//======================================================*/
.collection-sidebar {
  background: #ffffff;
  border-radius: 1rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  position: sticky;
  top: calc(70px + 1.5rem);
  height: fit-content;
  border: 1px solid #e5e7eb;
}
@media (max-width: 768px) {
  .collection-sidebar {
    position: relative;
    top: 0;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
    box-shadow: none;
    border-bottom: 1px solid #e5e7eb;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
  }
}
.collection-sidebar .sidebar-section {
  margin-bottom: 2rem;
}
.collection-sidebar .sidebar-section:last-child {
  margin-bottom: 0;
}
@media (max-width: 768px) {
  .collection-sidebar .sidebar-section {
    margin-bottom: 1.5rem;
  }
}
.collection-sidebar .sidebar-home-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, #F05F40 0%, #cc3b1e 100%);
  color: white;
  text-decoration: none;
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 1.25rem;
  transition: all 200ms cubic-bezier(0, 0, 0.2, 1);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}
.collection-sidebar .sidebar-home-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  color: white;
  text-decoration: none;
}
.collection-sidebar .sidebar-home-link:active {
  transform: translateY(0);
}
.collection-sidebar .sidebar-home-link i {
  font-size: 1.25rem;
}
.collection-sidebar .sidebar-title {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #e5e7eb;
}
.collection-sidebar .sidebar-filters .filter-group {
  margin-bottom: 1.5rem;
}
.collection-sidebar .sidebar-filters .filter-group:last-child {
  margin-bottom: 0;
}
.collection-sidebar .sidebar-filters .filter-group .filter-label {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}
.collection-sidebar .sidebar-filters .filter-group .filter-options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.collection-sidebar .sidebar-filters .filter-group .filter-option {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 200ms cubic-bezier(0, 0, 0.2, 1);
  text-align: left;
}
.collection-sidebar .sidebar-filters .filter-group .filter-option:hover {
  background: #f3f4f6;
  color: #374151;
}
.collection-sidebar .sidebar-filters .filter-group .filter-option.active {
  background: #ffe8e2;
  border-color: #ffb4a1;
  color: #cc3b1e;
  font-weight: 600;
}
.collection-sidebar .quick-stats {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.collection-sidebar .quick-stats .stat-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: #f9fafb;
  border-radius: 0.5rem;
}
.collection-sidebar .quick-stats .stat-item i {
  color: #e04b2d;
  font-size: 1.5rem;
  width: 20px;
  text-align: center;
}
.collection-sidebar .quick-stats .stat-item .stat-number {
  font-size: 1.25rem;
  font-weight: 700;
  min-width: 30px;
}
.collection-sidebar .quick-stats .stat-item .stat-label {
  font-size: 1rem;
  font-weight: 500;
}
.collection-sidebar .sidebar-cta {
  background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
  padding: 1.5rem;
  border-radius: 0.75rem;
  text-align: center;
}
.collection-sidebar .sidebar-cta h6 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.collection-sidebar .sidebar-cta p {
  font-size: 1rem;
  margin-bottom: 1rem;
  line-height: 1.625;
}
.collection-sidebar .sidebar-cta .btn-sidebar-cta {
  background: #e04b2d;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 200ms cubic-bezier(0, 0, 0.2, 1);
}
.collection-sidebar .sidebar-cta .btn-sidebar-cta:hover {
  background: #cc3b1e;
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
}
.collection-sidebar .sidebar-cta .btn-sidebar-cta i {
  font-size: 1rem;
}
.collection-sidebar .sidebar-menu, .collection-sidebar .sidebar-quick-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.collection-sidebar .sidebar-menu li, .collection-sidebar .sidebar-quick-links li {
  margin-bottom: 0.5rem;
}
.collection-sidebar .sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  text-decoration: none;
  border-radius: 0.5rem;
  transition: all 200ms cubic-bezier(0, 0, 0.2, 1);
  font-weight: 500;
  font-size: 1.25rem;
}
.collection-sidebar .sidebar-link:hover {
  background: #f3f4f6;
  color: #e04b2d;
  text-decoration: none;
}
.collection-sidebar .sidebar-link.active {
  background: rgba(37, 99, 235, 0.1);
  color: #e04b2d;
  font-weight: 600;
  border-left: 3px solid #e04b2d;
  padding-left: calc(1rem - 3px);
}
.collection-sidebar .sidebar-link i {
  font-size: 1.25rem;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}
.collection-sidebar .sidebar-quick-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  color: #6b7280;
  text-decoration: none;
  border-radius: 0.375rem;
  transition: all 200ms cubic-bezier(0, 0, 0.2, 1);
  font-size: 1rem;
}
.collection-sidebar .sidebar-quick-link:hover {
  background: #f3f4f6;
  text-decoration: none;
}
.collection-sidebar .sidebar-quick-link i {
  font-size: 1rem;
  width: 14px;
  text-align: center;
  flex-shrink: 0;
}

/*======================================================
// Content Area - Harmonized with Projects Layout
//======================================================*/
.content-column {
  padding: 0;
}
.content-column .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (max-width: 768px) {
  .content-column .container {
    padding: 0 1rem;
  }
}
.content-column > .collection-container,
.content-column > .row {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (max-width: 768px) {
  .content-column > .collection-container,
  .content-column > .row {
    padding: 0 1rem;
  }
}

/*======================================================
// Unified Collection Card System
// A single, flexible card component for courses, projects, and insights.
//======================================================*/
.collection-container {
  padding-top: 1.5rem;
}

.collection-item {
  margin-bottom: 2rem;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.collection-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 1rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all 200ms cubic-bezier(0, 0, 0.2, 1);
}
.collection-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  border-color: #d1d5db;
}
.collection-card .card-header {
  padding: 1.5rem;
  border-bottom: 1px solid #e5e7eb;
  position: relative;
}
.collection-card .card-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  line-height: 1.25;
}
.collection-card .card-title a {
  color: inherit;
  text-decoration: none;
  transition: color 200ms;
}
.collection-card .card-title a:hover {
  color: #e04b2d;
}
.collection-card .card-status {
  position: absolute;
  top: -1.5rem;
  right: 1.5rem;
  background: #ffe8e2;
  color: #cc3b1e;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  text-transform: capitalize;
}
.collection-card .card-summary {
  font-size: 1.25rem;
  margin: 0;
  line-height: 1.625;
}
.collection-card .card-meta {
  padding: 1rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 1rem;
  flex-grow: 1;
}
.collection-card .meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.collection-card .meta-item i {
  color: #F05F40;
  font-size: 1.25rem;
  width: 16px;
  text-align: center;
}
.collection-card .card-actions {
  padding: 1.5rem;
  border-top: 1px solid #e5e7eb;
  background: #f9fafb;
  border-radius: 0 0 1rem 1rem;
  margin-top: auto;
}

/*======================================================
// Search, Filter & Results System
//======================================================*/
.collection-filter-section {
  margin-bottom: 2.5rem;
}
.collection-filter-section .row {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (max-width: 768px) {
  .collection-filter-section .row {
    padding: 0 1rem;
  }
}
.collection-filter-section .filter-container {
  background: #ffffff;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
}
.collection-filter-section .search-bar-container {
  margin-bottom: 1.25rem;
}
.collection-filter-section .search-bar-container .search-input-wrapper {
  position: relative;
}
.collection-filter-section .search-bar-container #courseSearch, .collection-filter-section .search-bar-container #blogSearch, .collection-filter-section .search-bar-container #publicationSearch {
  width: 100%;
  padding: 1rem 1.25rem 1rem 3rem;
  border: 2px solid #e5e7eb;
  border-radius: 0.75rem;
  font-size: 1.5rem;
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
  background: #f9fafb;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.collection-filter-section .search-bar-container #courseSearch:focus, .collection-filter-section .search-bar-container #blogSearch:focus, .collection-filter-section .search-bar-container #publicationSearch:focus {
  outline: none;
  border-color: #e04b2d;
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.collection-filter-section .search-bar-container .search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: #6b7280;
  font-size: 1.5rem;
}
.collection-filter-section .search-bar-container #clearSearch {
  background: #f3f4f6;
  color: #6b7280;
  border: 2px solid #e5e7eb;
  padding: 1rem 1.25rem;
  border-radius: 0.75rem;
  font-size: 1.25rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
  width: 100%;
}
.collection-filter-section .search-bar-container #clearSearch:hover {
  background: #e5e7eb;
}
.collection-filter-section .search-bar-container #clearSearch i {
  margin-right: 0.5rem;
}
.collection-filter-section .filter-tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}
.collection-filter-section .filter-tags-container .filter-label {
  color: #6b7280;
  font-size: 1.25rem;
  font-weight: 500;
  margin-right: 0.75rem;
}
.collection-filter-section .filter-tags-container .filter-tag {
  background: #f3f4f6;
  color: #6b7280;
  padding: 0.5rem 1rem;
  border: 1px solid #e5e7eb;
  border-radius: 9999px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
}
.collection-filter-section .filter-tags-container .filter-tag.active {
  background: #e04b2d;
  color: #ffffff;
  border-color: #e04b2d;
}
.collection-filter-section .filter-tags-container .filter-tag:hover:not(.active) {
  background: #e5e7eb;
}

.collection-results-info {
  margin-bottom: 1.25rem;
  color: #6b7280;
  font-size: 1.25rem;
}
.collection-results-info .row {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (max-width: 768px) {
  .collection-results-info .row {
    padding: 0 1rem;
  }
}

#noResults {
  display: none;
  margin-top: 2.5rem;
}
#noResults .no-results-content {
  padding: 4rem 1.25rem;
  text-align: center;
}
#noResults .no-results-content .icon {
  font-size: 4.5rem;
  color: #d1d5db;
  margin-bottom: 1.25rem;
}
#noResults .no-results-content h3 {
  color: #6b7280;
  margin-bottom: 1rem;
  font-size: 2rem;
}
#noResults .no-results-content p {
  color: #9ca3af;
  margin-bottom: 2rem;
}
#noResults .no-results-content #showAllCourses i {
  margin-right: 0.5rem;
}

/*======================================================
// Responsive Utilities
//======================================================*/
@media (max-width: 768px) {
  .collection-main-content .sidebar-column {
    order: 1;
  }
  .collection-main-content .content-column {
    order: 2;
  }
}
.collection-cta {
  margin-top: 5rem;
  margin-bottom: 4rem;
}
.collection-cta .row {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (max-width: 768px) {
  .collection-cta .row {
    padding: 0 1rem;
  }
}
.collection-cta .cta-content {
  background: linear-gradient(135deg, #e04b2d 0%, #cc3b1e 100%);
  color: #ffffff;
  padding: 4rem 3rem;
  border-radius: 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
}
.collection-cta .cta-content::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}
.collection-cta .cta-content > * {
  position: relative;
  z-index: 2;
}
.collection-cta .cta-content h3 {
  color: #ffffff;
  margin-bottom: 1.5rem;
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.25;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
@media (max-width: 768px) {
  .collection-cta .cta-content h3 {
    font-size: 3rem;
  }
}
.collection-cta .cta-content p {
  margin: 0 auto 2.5rem;
  font-size: 2rem;
  opacity: 0.95;
  max-width: 700px;
  line-height: 1.625;
  font-weight: 500;
  color: #fff5f2;
}
@media (max-width: 768px) {
  .collection-cta .cta-content p {
    font-size: 1.75rem;
    margin-bottom: 2rem;
  }
}
.collection-cta .cta-content .btn-cta {
  background: #ffffff;
  color: #e04b2d;
  font-size: 1.75rem;
  font-weight: 700;
  padding: 1rem 2.5rem;
  border-radius: 1rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}
.collection-cta .cta-content .btn-cta:hover {
  background: #f9fafb;
  color: #cc3b1e;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}
.collection-cta .cta-content .btn-cta:active {
  transform: translateY(0);
}
.collection-cta .cta-content .btn-cta i {
  font-size: 1.5rem;
  transition: transform 300ms cubic-bezier(0, 0, 0.2, 1);
}
.collection-cta .cta-content .btn-cta:hover i {
  transform: translateX(2px);
}
@media (max-width: 768px) {
  .collection-cta .cta-content .btn-cta {
    font-size: 1.5rem;
    padding: 0.75rem 2rem;
  }
}
.collection-cta .cta-content::after {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  z-index: 1;
}
@media (max-width: 768px) {
  .collection-cta .cta-content {
    padding: 3rem 2rem;
    margin: 0 1rem;
    border-radius: 1rem;
  }
}
.collection-cta::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, #ff8c70, #e04b2d);
  margin: 2rem auto 0;
  border-radius: 9999px;
}

.course-card-container {
  margin-bottom: 2rem;
}

/*======================================================
// Blog Page Specifics
//======================================================*/
.blog-card .card-meta-info {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
  font-weight: 500;
}
.blog-card .card-subtitle i {
  margin-right: 0.5rem;
}
.blog-card .card-actions .btn-primary {
  flex-shrink: 0;
}
.blog-card .card-actions .btn-outline {
  border: 1px solid #3b82f6;
  color: #3b82f6;
  background: transparent;
  flex-shrink: 0;
}
.blog-card .card-actions .btn-outline:hover {
  background: #3b82f6;
  color: #ffffff;
}
.blog-card .card-actions .post-tags {
  margin-left: auto;
  color: #6b7280;
  font-size: 1rem;
}
.blog-card .card-actions .post-tags i {
  margin-right: 0.25rem;
}

#expand-blog-btn {
  border: 2px solid #e04b2d;
  color: #e04b2d;
  background: transparent;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  font-weight: 500;
}
#expand-blog-btn:hover {
  background: #e04b2d;
  color: #ffffff;
}

#additional-blog {
  display: none;
}
#additional-blog .scrollable-section {
  max-height: 70vh;
  overflow-y: auto;
  padding-right: 0.75rem;
  margin-bottom: 2rem;
}

#collapse-blog-btn {
  border: 1px solid #6b7280;
  color: #6b7280;
  background: transparent;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
}
#collapse-blog-btn:hover {
  background: #6b7280;
  color: #ffffff;
}

/*======================================================
// Publications Page Specifics
//======================================================*/
.publications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, 320px);
  gap: 1.5rem;
  justify-content: center;
}
@media (max-width: 1200px) {
  .publications-grid {
    grid-template-columns: repeat(auto-fill, 300px);
    gap: 1.25rem;
  }
}
@media (max-width: 768px) {
  .publications-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
  }
}
@media (max-width: 480px) {
  .publications-grid {
    grid-template-columns: 1fr;
  }
}

.publication-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 0.75rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
  height: 420px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.publication-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(255, 255, 255, 0.4);
}
.publication-card:hover .publication-visual .publication-image {
  transform: scale(1.02);
}
@media (max-width: 768px) {
  .publication-card {
    height: 380px;
    border-radius: 0.5rem;
  }
  .publication-card:hover {
    transform: translateY(-2px);
  }
}
.publication-card .publication-visual {
  position: relative;
  height: 140px;
  overflow: hidden;
}
@media (max-width: 768px) {
  .publication-card .publication-visual {
    height: 120px;
  }
}
.publication-card .publication-visual .publication-image {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform 500ms cubic-bezier(0, 0, 0.2, 1);
}
.publication-card .publication-visual .publication-image.publication-fallback-1 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.publication-card .publication-visual .publication-image.publication-fallback-2 {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}
.publication-card .publication-visual .publication-image.publication-fallback-3 {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}
.publication-card .publication-visual .publication-image .publication-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: rgba(255, 255, 255, 0.9);
  font-size: 3rem;
}
@media (max-width: 768px) {
  .publication-card .publication-visual .publication-image .publication-icon {
    font-size: 2.5rem;
  }
}
.publication-card .publication-visual .publication-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.3) 100%);
  display: flex;
  align-items: flex-end;
  padding: 0.75rem;
}
.publication-card .publication-visual .publication-overlay .publication-date {
  background: rgba(255, 255, 255, 0.95);
  color: #374151;
  padding: 0.25rem 0.5rem;
  border-radius: 9999px;
  font-size: 1rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.publication-card .publication-header {
  padding: 1rem 1rem 0.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
.publication-card .publication-header .publication-title {
  margin: 0 0 0.5rem 0;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.25;
}
.publication-card .publication-header .publication-title a {
  text-decoration: none;
  transition: color 200ms cubic-bezier(0, 0, 0.2, 1);
}
.publication-card .publication-header .publication-title a:hover {
  color: #e04b2d;
}
.publication-card .publication-header .publication-status {
  display: inline-block;
  background: #ecfdf5;
  color: #059669;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}
.publication-card .publication-authors {
  font-size: 1rem;
  line-height: 1.625;
  margin: 0;
  padding: 0 1rem 0.5rem;
  font-weight: 500;
}
.publication-card .publication-venue {
  color: #6b7280;
  font-size: 1rem;
  line-height: 1.625;
  margin: 0;
  padding: 0 1rem 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  opacity: 0.7;
}
.publication-card .publication-venue i {
  color: #F05F40;
  font-size: 1rem;
}
.publication-card .publication-abstract {
  color: #374151;
  font-size: 1.25rem;
  line-height: 1.625;
  margin: 0;
  padding: 0 1rem 0.75rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.publication-card .publication-keywords {
  padding: 0.75rem 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}
.publication-card .publication-keywords .keyword-tag {
  background: rgba(0, 0, 0, 0.05);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.25rem;
  border-radius: 0.125rem;
}
.publication-card .publication-keywords .keyword-tag.more {
  background: rgba(79, 70, 229, 0.1);
  color: #e04b2d;
}
.publication-card .publication-actions {
  padding: 0.75rem 1rem 1rem;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  margin-top: auto;
}
.publication-card .publication-actions .btn-publication-primary {
  background: #e04b2d;
  color: white;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
  display: block;
  text-align: center;
  margin-bottom: 0.5rem;
}
.publication-card .publication-actions .btn-publication-primary:hover {
  background: #cc3b1e;
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}
.publication-card .publication-actions .publication-links {
  display: flex;
  gap: 0.25rem;
}
.publication-card .publication-actions .publication-links .btn-publication-secondary {
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.15);
  padding: 0.25rem 0.5rem;
  border-radius: 0.125rem;
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  transition: all 200ms cubic-bezier(0, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  justify-content: center;
}
.publication-card .publication-actions .publication-links .btn-publication-secondary:hover {
  background: rgba(0, 0, 0, 0.05);
  color: #374151;
  text-decoration: none;
}
.publication-card .publication-actions .publication-links .btn-publication-secondary i {
  font-size: 1rem;
}

.publications-empty {
  text-align: center;
  padding: 5rem 1.5rem;
  color: #6b7280;
  grid-column: 1/-1;
}
.publications-empty i {
  font-size: 4.5rem;
  color: #d1d5db;
  margin-bottom: 1.5rem;
  display: block;
}
.publications-empty h3 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.publications-empty p {
  font-size: 1.75rem;
  max-width: 400px;
  margin: 0 auto;
  line-height: 1.625;
}

.publication-card .card-status-label {
  background-color: #059669;
}
.publication-card .card-subtitle i {
  margin-right: 0.5rem;
}
.publication-card .card-actions .btn-outline.btn-pdf {
  border-color: #dc2626;
  color: #dc2626;
}
.publication-card .card-actions .btn-outline.btn-pdf:hover {
  background: #dc2626;
  color: #ffffff;
}
.publication-card .card-actions .btn-outline.btn-doi {
  border-color: #3b82f6;
  color: #3b82f6;
}
.publication-card .card-actions .btn-outline.btn-doi:hover {
  background: #3b82f6;
  color: #ffffff;
}

/*======================================================
// Projects Page Specifics
//======================================================*/
.project-card-container {
  margin-bottom: 2rem;
}

.project-card .card-keywords-section .keyword-badge {
  background: #ecfdf5;
  color: #059669;
}
.project-card .card-keywords-section .keyword-badge.more {
  background: #f3f4f6;
  color: #6b7280;
}
.project-card .card-actions .btn-outline.btn-demo {
  border-color: #3b82f6;
  color: #3b82f6;
}
.project-card .card-actions .btn-outline.btn-demo:hover {
  background: #3b82f6;
  color: #ffffff;
}
.project-card .card-actions .btn-outline.btn-github {
  border-color: #6b7280;
  color: #6b7280;
}
.project-card .card-actions .btn-outline.btn-github:hover {
  background: #6b7280;
  color: #ffffff;
}
.project-card .card-actions .project-tags {
  margin-left: auto;
  color: #6b7280;
  font-size: 1rem;
}
.project-card .card-actions .project-tags i {
  margin-right: 0.25rem;
}

.expand-section, .collapse-section {
  margin-bottom: 2.5rem;
}
.expand-section .btn, .collapse-section .btn {
  border: 2px solid #e04b2d;
  color: #e04b2d;
  background: transparent;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  font-weight: 500;
}
.expand-section .btn:hover, .collapse-section .btn:hover {
  background: #e04b2d;
  color: #ffffff;
  transform: translateY(-2px);
}
.expand-section .btn.btn-secondary, .collapse-section .btn.btn-secondary {
  border-color: #6b7280;
  color: #6b7280;
}
.expand-section .btn.btn-secondary:hover, .collapse-section .btn.btn-secondary:hover {
  background: #6b7280;
  color: #ffffff;
}

#additional-projects {
  display: none;
}
#additional-projects .scrollable-section {
  max-height: 70vh;
  overflow-y: auto;
  padding-right: 0.75rem;
  margin-bottom: 2rem;
  border: 1px solid #e5e7eb;
  border-radius: 0.75rem;
  background: #f9fafb;
  padding: 1.25rem;
}
#additional-projects .scrollable-section::-webkit-scrollbar {
  width: 8px;
}
#additional-projects .scrollable-section::-webkit-scrollbar-track {
  background: #f3f4f6;
  border-radius: 0.25rem;
}
#additional-projects .scrollable-section::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 0.25rem;
}
#additional-projects .scrollable-section::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}

.collection-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.collection-item .btn {
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
}

.collection-item .btn:hover {
  transform: translateY(-2px);
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

@keyframes colorTransition {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
  100% {
    transform: scale(1);
  }
}
.course-toc-sidebar {
  position: fixed;
  top: 0;
  right: -400px;
  width: 350px;
  height: 100vh;
  background: #ffffff;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  z-index: 50;
  transition: right 300ms cubic-bezier(0, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}
.course-toc-sidebar.active {
  right: 0;
}

.toc-header {
  padding: 1.25rem;
  border-bottom: 1px solid #e5e7eb;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #f9fafb;
}
.toc-header h4 {
  margin: 0;
  color: #374151;
  font-size: 1.5rem;
  font-weight: 600;
}

.toc-close-btn {
  background: none;
  border: none;
  color: #6b7280;
  font-size: 1.75rem;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 0.25rem;
  transition: all 200ms cubic-bezier(0, 0, 0.2, 1);
}
.toc-close-btn:hover {
  background: #e5e7eb;
  color: #374151;
}

.toc-content {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.toc-list li {
  border-bottom: 1px solid #f3f4f6;
}

.toc-link {
  display: block;
  padding: 0.75rem 1.25rem;
  color: #6b7280;
  text-decoration: none;
  transition: all 200ms cubic-bezier(0, 0, 0.2, 1);
  font-size: 1.25rem;
  line-height: 1.5;
  border-left: 3px solid transparent;
}
.toc-link:hover {
  background: #f9fafb;
  color: #e04b2d;
  border-left-color: #e5e7eb;
}
.toc-link.active {
  background: #fff5f2;
  color: #e04b2d;
  border-left-color: #e04b2d;
  font-weight: 500;
}
.toc-link[data-level=h1] {
  font-weight: 600;
  font-size: 1.5rem;
}
.toc-link[data-level=h2] {
  padding-left: 2rem;
}
.toc-link[data-level=h3] {
  padding-left: 2.5rem;
  font-size: 1rem;
}
.toc-link[data-level=h4] {
  padding-left: 3rem;
  font-size: 1rem;
  color: #9ca3af;
}

.toc-footer {
  padding: 1.25rem;
  border-top: 1px solid #e5e7eb;
  background: #f9fafb;
}

.toc-back-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #6b7280;
  text-decoration: none;
  font-size: 1.25rem;
  transition: color 200ms cubic-bezier(0, 0, 0.2, 1);
}
.toc-back-link:hover {
  color: #e04b2d;
}

.toc-toggle-btn {
  position: fixed;
  top: 120px;
  right: 1.25rem;
  background: #e04b2d;
  color: #ffffff;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 9999px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
  z-index: calc(50 - 1);
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
  font-size: 1.5rem;
}
.toc-toggle-btn:hover {
  background: #cc3b1e;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

.toc-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(50 - 1);
  opacity: 0;
  visibility: hidden;
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
}
.toc-overlay.active {
  opacity: 1;
  visibility: visible;
}

.course-hero {
  position: relative;
}

.article-body h1, .article-body h2, .article-body h3, .article-body h4, .article-body h5, .article-body h6 {
  font-weight: 600;
  line-height: 1.25;
  margin: 2.5rem 0 1.25rem 0;
}
.article-body h1 {
  font-size: 3.5rem;
}
.article-body h2 {
  font-size: 3rem;
}
.article-body h3 {
  font-size: 2.5rem;
}
.article-body h4 {
  font-size: 2rem;
}
.article-body p {
  margin-bottom: 1.5rem;
  line-height: 1.625;
}
.article-body ul, .article-body ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
}
.article-body li {
  margin-bottom: 0.5rem;
  line-height: 1.625;
}
.article-body blockquote {
  margin: 2rem 0;
  padding: 1.25rem 2rem;
  background: #f9fafb;
  border-left: 4px solid #e5e7eb;
  font-style: italic;
}
.article-body code {
  background: #f3f4f6;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.9em;
  color: #1f2937;
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
}
.article-body pre {
  background: #1f2937;
  color: #f3f4f6;
  padding: 1.25rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  margin: 2rem 0;
}
.article-body pre code {
  background: none;
  padding: 0;
  color: inherit;
}

#courses {
  padding: 8rem 0;
  background: linear-gradient(135deg, #f9fafb 0%, #e5e7eb 100%);
}
#courses .section-heading {
  color: #1f2937;
  margin-bottom: 1.25rem;
}
#courses .section-description {
  font-size: 1.75rem;
  margin-bottom: 4rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.course-card {
  background: #ffffff;
  border-radius: 1rem;
  padding: 2.5rem 2rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  transition: all 500ms cubic-bezier(0, 0, 0.2, 1);
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 1px solid #f3f4f6;
  margin-bottom: 2.5rem;
}
.course-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}
.course-card h3 {
  color: #1f2937;
  margin-bottom: 1rem;
  font-size: 2rem;
  line-height: 1.25;
}
.course-card h3 a {
  text-decoration: none;
  color: inherit;
  transition: color 300ms cubic-bezier(0, 0, 0.2, 1);
}
.course-card .course-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #e04b2d 0%, #cc3b1e 100%);
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}
.course-card .course-icon i {
  font-size: 3rem;
  color: #ffffff;
}
.course-card .course-meta {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
  color: #6b7280;
}
.course-card .course-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.course-card .course-description {
  line-height: 1.625;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  flex-grow: 1;
}
.course-card .course-status {
  margin-bottom: 1.25rem;
}
.course-card .course-status .status-badge {
  background: #e04b2d;
  color: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.course-card .course-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.course-card .course-actions .btn-primary-prosody {
  background: #e04b2d;
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 500;
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
  display: inline-block;
  text-align: center;
}
.course-card .course-actions .btn-primary-prosody:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}
.course-card .course-actions .btn-outline-prosody {
  border: 1px solid #e04b2d;
  color: #e04b2d;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 500;
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
  display: inline-block;
  text-align: center;
  background: transparent;
}
.course-card .course-actions .btn-outline-prosody:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.courses-empty-state {
  padding: 4rem 1.25rem;
}
.courses-empty-state .empty-icon {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, #e04b2d 0%, #cc3b1e 100%);
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
}
.courses-empty-state .empty-icon i {
  font-size: 4rem;
  color: #ffffff;
}
.courses-empty-state h3 {
  margin-bottom: 1.25rem;
  font-size: 2.5rem;
}
.courses-empty-state p {
  color: #6b7280;
  margin-bottom: 2rem;
  font-size: 1.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {
  .collection-card {
    margin-bottom: 2rem;
  }
  .collection-image {
    height: 150px;
  }
  .course-card-container {
    margin-bottom: 1.5rem;
  }
  .collection-actions {
    flex-direction: column;
  }
  .collection-actions > a, .collection-actions > div {
    flex: none;
    width: 100%;
  }
  .filter-tag {
    margin-bottom: 0.5rem;
  }
  .course-toc-sidebar {
    width: 100%;
    right: -100%;
  }
  .toc-toggle-btn {
    top: 80px;
    right: 1rem;
    width: 45px;
    height: 45px;
    font-size: 1.25rem;
  }
  .course-hero h1 {
    font-size: 3rem;
  }
  .course-hero .course-meta {
    flex-direction: column;
    gap: 1rem;
  }
  .course-hero .course-meta > div {
    width: 100%;
    justify-content: center;
  }
  .course-card {
    margin-bottom: 2rem;
  }
}
@media (max-width: 768px) and (hover: none) {
  .course-card:hover {
    transform: none;
  }
}
.view-all-courses {
  margin-top: 2.5rem;
}

.expand-section, .collapse-section {
  margin-bottom: 2.5rem;
}

.collection-item {
  margin-bottom: 2rem;
}

/*======================================================
// Projects Grid Layout - Handled in Hero Content
//======================================================*/
.project-card {
  background: #ffffff;
  border-radius: 0.75rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
  transition: all 300ms cubic-bezier(0, 0, 0.2, 1);
  height: 380px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  border-color: #ffb4a1;
}
@media (max-width: 768px) {
  .project-card {
    height: 350px;
  }
}
.project-card .project-header {
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid #f3f4f6;
}
.project-card .project-header .project-title {
  margin: 0 0 0.75rem 0;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.25;
}
.project-card .project-header .project-title a {
  text-decoration: none;
  transition: color 200ms cubic-bezier(0, 0, 0.2, 1);
}
.project-card .project-header .project-title a:hover {
  color: #e04b2d;
}
.project-card .project-header .project-status {
  display: inline-block;
  background: #ecfdf5;
  color: #059669;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}
.project-card .project-description {
  font-size: 1.5rem;
  line-height: 1.625;
  margin: 0;
  padding: 0 1.5rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.project-card .project-tech {
  padding: 1rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-top: 1px solid #f3f4f6;
}
.project-card .project-tech .tech-tag {
  background: #f3f4f6;
  font-size: 1rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: 0.375rem;
  border: 1px solid #e5e7eb;
}
.project-card .project-tech .tech-tag.more {
  background: #ffe8e2;
  color: #e04b2d;
  border-color: #ffd1c4;
}
.project-card .project-actions {
  padding: 1.25rem 1.5rem 1.5rem;
  border-top: 1px solid #f3f4f6;
  margin-top: auto;
}
.project-card .project-actions .btn-project-primary {
  background: #e04b2d;
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 1.25rem;
  text-decoration: none;
  transition: all 200ms cubic-bezier(0, 0, 0.2, 1);
  display: block;
  text-align: center;
  margin-bottom: 0.75rem;
}
.project-card .project-actions .btn-project-primary:hover {
  background: #cc3b1e;
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
}
.project-card .project-actions .project-links {
  display: flex;
  gap: 0.5rem;
}
.project-card .project-actions .project-links .btn-project-secondary {
  background: transparent;
  border: 1px solid #d1d5db;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  transition: all 200ms cubic-bezier(0, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  justify-content: center;
}
.project-card .project-actions .project-links .btn-project-secondary:hover {
  background: #f3f4f6;
  color: #374151;
  text-decoration: none;
}
.project-card .project-actions .project-links .btn-project-secondary i {
  font-size: 1rem;
}

.projects-empty {
  text-align: center;
  padding: 5rem 1.5rem;
  color: #6b7280;
  grid-column: 1/-1;
}
.projects-empty i {
  font-size: 4.5rem;
  color: #d1d5db;
  margin-bottom: 1.5rem;
  display: block;
}
.projects-empty h3 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.projects-empty p {
  font-size: 1.75rem;
  max-width: 400px;
  margin: 0 auto;
  line-height: 1.625;
}

/*======================================================
// Collection Hero Sections - Full Screen with Integrated Content
//======================================================*/
.layout-hero {
  padding: 0;
  margin-top: 0;
  padding-bottom: 1em;
  min-height: 20vh;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.layout-hero .hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}
.layout-hero .hero-bg-image {
  background-size: cover;
  background-position: center;
  opacity: 0.3;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}
.layout-hero .hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.15;
  z-index: 0;
}
.layout-hero .container {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-top: 4em;
}
.layout-hero .hero-header {
  text-align: center;
  margin-bottom: 3rem;
}
@media (max-width: 768px) {
  .layout-hero .hero-header {
    margin-bottom: 2rem;
  }
}
.layout-hero .hero-title {
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3), 0 4px 8px rgba(0, 0, 0, 0.2);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
  color: white;
  font-size: 3.5rem;
}
@media (max-width: 768px) {
  .layout-hero .hero-title {
    font-size: 3rem;
  }
}
.layout-hero .hero-subtitle {
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 2px 6px rgba(0, 0, 0, 0.2);
  font-weight: 500;
  opacity: 0.95;
  color: rgba(255, 255, 255, 0.9);
  font-size: 2rem;
  margin: 0;
}
@media (max-width: 768px) {
  .layout-hero .hero-subtitle {
    font-size: 1.75rem;
  }
}
.layout-hero .hero-bg-image + .hero-overlay {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.6) 100%);
}
.layout-hero .hero-content {
  flex: 1;
  position: relative;
  z-index: 2;
  padding-bottom: 4rem;
}

.courses-hero {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
}
.courses-hero .hero-overlay {
  background: rgba(79, 70, 229, 0.1);
}

.blog-hero {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
}
.blog-hero .hero-overlay {
  background: rgba(5, 150, 105, 0.1);
}

.publications-hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #3730a3 100%);
}
.publications-hero .hero-overlay {
  background: rgba(30, 58, 138, 0.1);
}

.projects-hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.projects-hero .hero-overlay {
  background: rgba(102, 126, 234, 0.1);
}

/*======================================================
// Content Layout within Hero Sections
//======================================================*/
.hero-content .collection-main-content {
  max-width: 80em;
  margin: 2em auto;
  padding: 0;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 1024px) {
  .hero-content .collection-main-content {
    grid-template-columns: 240px 1fr;
    gap: 2rem;
    padding: 0 1rem;
  }
}
@media (max-width: 768px) {
  .hero-content .collection-main-content {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0;
  }
}

.hero-content .projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, 320px);
  gap: 2rem;
  justify-content: center;
}
@media (max-width: 1200px) {
  .hero-content .projects-grid {
    grid-template-columns: repeat(auto-fill, 300px);
    gap: 1.5rem;
  }
}
@media (max-width: 768px) {
  .hero-content .projects-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
  }
}
@media (max-width: 480px) {
  .hero-content .projects-grid {
    grid-template-columns: 1fr;
  }
}

.layout-hero .collection-card,
.layout-hero .project-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}
.layout-hero .collection-card:hover,
.layout-hero .project-card:hover {
  background: rgba(255, 255, 255, 0.98);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
}
.layout-hero .collection-sidebar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}
@media (max-width: 768px) {
  .layout-hero .collection-sidebar {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.3);
  }
}
.layout-hero .collection-filter-section .filter-container {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}
.layout-hero .collection-cta .cta-content {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.95) 0%, rgba(124, 58, 237, 0.95) 100%);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.content-column {
  padding: 0;
}
.content-column .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (max-width: 768px) {
  .content-column .container {
    padding: 0 1rem;
  }
}
.content-column > .collection-container,
.content-column > .row {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (max-width: 768px) {
  .content-column > .collection-container,
  .content-column > .row {
    padding: 0 1rem;
  }
}

.projects-main-content {
  display: none;
}

.layout-hero + * .navbar-default,
.collection-page .navbar-default,
.projects-page .navbar-default {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}
.layout-hero + * .navbar-default .navbar-brand,
.collection-page .navbar-default .navbar-brand,
.projects-page .navbar-default .navbar-brand {
  font-weight: 700;
}
.layout-hero + * .navbar-default .navbar-nav > li > a,
.collection-page .navbar-default .navbar-nav > li > a,
.projects-page .navbar-default .navbar-nav > li > a {
  font-weight: 500;
}
.layout-hero + * .navbar-default .navbar-nav > li > a:hover,
.collection-page .navbar-default .navbar-nav > li > a:hover,
.projects-page .navbar-default .navbar-nav > li > a:hover {
  background-color: transparent;
}

/*======================================================
// Research List Layout - OpenAI Inspired
//======================================================*/
.research-list {
  max-width: 900px;
  margin: 0 auto;
}
.research-list .research-item {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 200ms cubic-bezier(0, 0, 0.2, 1);
}
.research-list .research-item:hover {
  background: rgba(255, 255, 255, 0.02);
  padding-left: 1rem;
  padding-right: 1rem;
  margin-left: -1rem;
  margin-right: -1rem;
  border-radius: 0.5rem;
}
.research-list .research-item:last-child {
  border-bottom: none;
}
@media (max-width: 768px) {
  .research-list .research-item {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 1rem 0;
  }
}
.research-list .research-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}
@media (max-width: 768px) {
  .research-list .research-meta {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}
.research-list .research-meta .research-type {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: 0.125rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}
.research-list .research-meta .research-date {
  color: rgba(255, 255, 255, 0.6);
  font-size: 1rem;
  font-weight: 500;
}
.research-list .research-content {
  flex: 1;
}
.research-list .research-content .research-title {
  margin: 0 0 0.5rem 0;
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.25;
}
.research-list .research-content .research-title a {
  color: rgba(255, 255, 255, 0.95);
  text-decoration: none;
  transition: color 200ms cubic-bezier(0, 0, 0.2, 1);
}
.research-list .research-content .research-title a:hover {
  color: rgb(255, 255, 255);
  text-decoration: none;
}
.research-list .research-content .research-summary {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.25rem;
  line-height: 1.625;
  margin-bottom: 0.75rem;
}
.research-list .research-content .research-authors {
  color: rgba(255, 255, 255, 0.6);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}
.research-list .research-content .research-venue {
  color: rgba(255, 255, 255, 0.5);
  font-size: 1rem;
  font-style: italic;
}
.research-list .research-actions {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
@media (max-width: 768px) {
  .research-list .research-actions {
    justify-content: flex-end;
    margin-top: 0.5rem;
  }
}
.research-list .research-actions .research-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  border-radius: 0.375rem;
  text-decoration: none;
  transition: all 200ms cubic-bezier(0, 0, 0.2, 1);
}
.research-list .research-actions .research-link:hover {
  background: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transform: translateY(-1px);
}
.research-list .research-actions .research-link i {
  font-size: 1rem;
}

.research-empty {
  max-width: 900px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
  text-align: center;
}
.research-empty .empty-content h3 {
  color: rgba(255, 255, 255, 0.9);
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.research-empty .empty-content p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 1.5rem;
  line-height: 1.625;
  max-width: 500px;
  margin: 0 auto;
}

.publications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, 320px);
  gap: 1.5rem;
  justify-content: center;
}
@media (max-width: 1200px) {
  .publications-grid {
    grid-template-columns: repeat(auto-fill, 300px);
    gap: 1.25rem;
  }
}
@media (max-width: 768px) {
  .publications-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
  }
}
@media (max-width: 480px) {
  .publications-grid {
    grid-template-columns: 1fr;
  }
}

/*======================================================
// DETAIL SECTION GRIDS - SCROLL NAVIGATION
// Grid layouts for course, project, blog, and research detail sections
//======================================================*/
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}
@media (max-width: 768px) {
  .courses-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}
.courses-grid .course-card {
  background: white;
  border: 1px solid #e5e5e5;
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.courses-grid .course-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  border-color: #d4d4d4;
}
.courses-grid .course-card.featured {
  border-color: #10b981;
  box-shadow: 0 8px 32px rgba(16, 185, 129, 0.15);
}
.courses-grid .course-card .course-image {
  height: 200px;
  overflow: hidden;
}
.courses-grid .course-card .course-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.courses-grid .course-card:hover .course-image img {
  transform: scale(1.05);
}
.courses-grid .course-card .course-content {
  padding: 1.5rem;
}
.courses-grid .course-card .course-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.courses-grid .course-card .course-content p {
  line-height: 1.6;
  margin-bottom: 1rem;
}
.courses-grid .course-card .course-content .course-meta {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.courses-grid .course-card .course-content .course-meta span {
  background: #f5f5f5;
  color: #404040;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
}
.courses-grid .course-card .course-content .btn-course {
  background: #10b981;
  color: white;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-block;
}
.courses-grid .course-card .course-content .btn-course:hover {
  background: #059669;
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}
@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}
.projects-grid .project-card {
  background: white;
  border: 1px solid #e5e5e5;
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.projects-grid .project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  border-color: #d4d4d4;
}
.projects-grid .project-card .project-image {
  height: 180px;
  overflow: hidden;
}
.projects-grid .project-card .project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.projects-grid .project-card:hover .project-image img {
  transform: scale(1.05);
}
.projects-grid .project-card .project-content {
  padding: 1.5rem;
}
.projects-grid .project-card .project-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.projects-grid .project-card .project-content p {
  line-height: 1.6;
  margin-bottom: 1rem;
}
.projects-grid .project-card .project-content .project-status {
  background: #f5f5f5;
  color: #404040;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 1rem;
}
.projects-grid .project-card .project-content .btn-project {
  background: #171717;
  color: white;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-block;
}
.projects-grid .project-card .project-content .btn-project:hover {
  background: #262626;
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}
@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}
.blog-grid .blog-card {
  background: white;
  border: 1px solid #e5e5e5;
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.blog-grid .blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  border-color: #d4d4d4;
}
.blog-grid .blog-card.featured {
  border-color: #10b981;
  box-shadow: 0 8px 32px rgba(16, 185, 129, 0.15);
}
.blog-grid .blog-card .blog-image {
  height: 180px;
  overflow: hidden;
}
.blog-grid .blog-card .blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.blog-grid .blog-card:hover .blog-image img {
  transform: scale(1.05);
}
.blog-grid .blog-card .blog-content {
  padding: 1.5rem;
}
.blog-grid .blog-card .blog-content .blog-meta {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.blog-grid .blog-card .blog-content .blog-meta span {
  background: #f5f5f5;
  color: #404040;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
}
.blog-grid .blog-card .blog-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.blog-grid .blog-card .blog-content p {
  line-height: 1.6;
  margin-bottom: 1rem;
}
.blog-grid .blog-card .blog-content .btn-blog {
  background: #171717;
  color: white;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-block;
}
.blog-grid .blog-card .blog-content .btn-blog:hover {
  background: #262626;
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}
@media (max-width: 768px) {
  .research-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}
.research-grid .research-card {
  background: white;
  border: 1px solid #e5e5e5;
  border-radius: 16px;
  padding: 1.5rem;
  transition: all 0.3s ease;
}
.research-grid .research-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  border-color: #d4d4d4;
}
.research-grid .research-card .research-content .research-meta {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.research-grid .research-card .research-content .research-meta span {
  background: #f5f5f5;
  color: #404040;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
}
.research-grid .research-card .research-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.research-grid .research-card .research-content p {
  line-height: 1.6;
  margin-bottom: 1rem;
}
.research-grid .research-card .research-content .btn-research {
  background: #171717;
  color: white;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-block;
}
.research-grid .research-card .research-content .btn-research:hover {
  background: #262626;
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
}

/*# sourceMappingURL=main.css.map */