/* Component Styles - Loaded asynchronously */

/* About Section */
.about-section {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.about-intro {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
  font-weight: 500;
}

.about-text p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.about-photo {
  width: 100%;
  border-radius: 1rem;
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-normal);
}

.about-photo:hover {
  transform: scale(1.02);
}

/* Timeline Section */
.timeline-section {
  padding: var(--section-padding);
  background: var(--bg-primary);
}

.timeline-header {
  text-align: center;
  margin-bottom: 4rem;
}

.timeline-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.timeline-header p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Timeline Controls for Scalability */
.timeline-controls {
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
}

.timeline-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.timeline-filter {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.875rem;
}

.timeline-filter:hover,
.timeline-filter.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.timeline-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  contain: layout;
}

.timeline-item {
  position: relative;
  margin-bottom: 4rem;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.4s ease-out, transform 0.4s ease-out;
  contain: layout style paint;
}

.timeline-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.timeline-item.hidden {
  display: none;
}

.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-gradient);
  transform: translateX(-50%);
  z-index: 1;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 2rem;
  transform: translateX(-50%);
  z-index: 2;
  transition: transform 0.2s ease;
}

.marker-dot {
  width: 20px;
  height: 20px;
  background: var(--accent-primary);
  border-radius: 50%;
  border: 4px solid var(--bg-primary);
  box-shadow: 0 0 0 4px var(--accent-primary);
  transition: all var(--transition-normal);
}

.timeline-item:hover .marker-dot {
  transform: scale(1.2);
  box-shadow: 0 0 0 6px var(--accent-primary);
}

.marker-year {
  background: var(--accent-gradient);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-weight: 600;
  font-size: 0.875rem;
  margin-top: 1rem;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.timeline-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 0 2rem;
}

.timeline-content.reverse {
  direction: rtl;
}

.timeline-content.reverse > * {
  direction: ltr;
}

.timeline-image {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  box-shadow: var(--shadow-xl);
  transition: transform 0.2s ease;
}

.timeline-image:hover {
  transform: scale(1.01);
}

.timeline-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: none; /* Remove expensive transform transitions */
}

.timeline-item:hover .timeline-image img {
  /* transform: scale(1.05); - REMOVED */
}

.timeline-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.timeline-location {
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.timeline-duration {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  font-weight: 500;
}

.timeline-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.timeline-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.highlight {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.highlight:hover {
  background: var(--accent-primary);
  color: white;
}

.testimonial-quote {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: 0.75rem;
  border-left: 4px solid var(--accent-primary);
  margin-top: 1rem;
}

.testimonial-quote blockquote {
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.testimonial-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
}

.testimonial-link:hover {
  text-decoration: underline;
}

.research-context {
  margin-top: 1rem;
}

.research-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
}

.research-link:hover {
  text-decoration: underline;
}

/* Quote Banner */
.quote-banner {
  background: var(--bg-secondary);
  padding: 2rem 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.quote-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  text-align: center;
  position: relative;
}

.quote-icon {
  font-size: 2rem;
  color: var(--accent-primary);
  opacity: 0.7;
}

.quote-content blockquote {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  font-style: italic;
  position: relative;
}

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-logo a {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-social {
  display: flex;
  gap: 1.5rem;
}

.social-icon-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.2rem;
  transition: all var(--transition-normal);
}

.social-icon-link:hover {
  background: var(--accent-primary);
  color: white;
  transform: translateY(-5px) rotate(10deg);
}

.footer-text {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.heart,
.coffee {
  display: inline-block;
  transition: transform 0.3s ease;
}

.heart:hover {
  transform: scale(1.5);
}

.coffee:hover {
  transform: rotate(15deg);
}

/* Projects Page Styles */
.enhanced-page-hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-height) + 4rem) 0 4rem;
}

.enhanced-hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
}

.enhanced-page-title {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  margin-bottom: 2rem;
  line-height: 1.1;
}

.title-main {
  display: block;
  color: var(--text-primary);
}

.title-accent {
  display: block;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.enhanced-page-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 3rem;
  line-height: 1.6;
}

/* Projects Grid */
.projects-section {
  padding: var(--section-padding);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-primary);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  opacity: 0;
  transform: translateY(30px);
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.project-card.featured {
  grid-column: span 2;
}

.project-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  width: 50px;
  height: 50px;
  background: white;
  color: var(--text-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.25rem;
  transition: all var(--transition-fast);
}

.project-link:hover {
  background: var(--accent-primary);
  color: white;
  transform: scale(1.1);
}

.project-content {
  padding: 2rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.project-tag {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 500;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.project-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.project-authors {
  color: var(--text-muted);
  font-style: italic;
}

/* Filter Section */
.filter-section {
  padding: 2rem 0;
  background: var(--bg-secondary);
}

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.filter-tab {
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.75rem 1.5rem;
  border-radius: 2rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tab:hover,
.filter-tab.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

/* Resume Page Styles */
.resume-section {
  padding: var(--section-padding);
}

.resume-section .timeline {
  position: relative;
}

.resume-section .timeline::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--accent-gradient);
}

.resume-section .timeline-item {
  position: relative;
  padding-left: 60px;
  margin-bottom: 3rem;
  opacity: 1;
  transform: none;
  transition: none;
}

.resume-section .timeline-marker {
  position: absolute;
  left: 12px;
  top: 0;
  width: 16px;
  height: 16px;
  background: var(--accent-primary);
  border-radius: 50%;
  border: 4px solid var(--bg-primary);
  box-shadow: 0 0 0 4px var(--accent-primary);
}

.resume-section .timeline-content {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.resume-section .timeline-content:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.timeline-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.timeline {
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--accent-gradient);
}

.timeline-item {
  position: relative;
  padding-left: 60px;
  margin-bottom: 3rem;
}

.timeline-marker {
  position: absolute;
  left: 12px;
  top: 0;
  width: 16px;
  height: 16px;
  background: var(--accent-primary);
  border-radius: 50%;
  border: 4px solid var(--bg-primary);
  box-shadow: 0 0 0 4px var(--accent-primary);
  transition: transform 0.2s ease;
}

.timeline-content {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
}

.timeline-date {
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.timeline-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.timeline-content h4 {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-weight: 500;
}

.timeline-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  background: var(--bg-primary);
  color: var(--text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Resume Sidebar */
.resume-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 2rem);
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-height: calc(100vh - var(--nav-height) - 4rem);
  overflow-y: auto;
}

.resume-card {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.resume-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.resume-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.education-item {
  margin-bottom: 1.5rem;
}

.education-item h4 {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.education-item p {
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.date {
  color: var(--accent-primary);
  font-size: 0.875rem;
  font-weight: 500;
}

.publication-item {
  margin-bottom: 1.5rem;
}

.publication-item h4 {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.publication-authors {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.publication-description {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.skill-group h4 {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.skill-group p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
}

.achievements-list {
  list-style: none;
}

.achievements-list li {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  position: relative;
  padding-left: 1.5rem;
}

.achievements-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: bold;
}

.interests-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.interest-tag {
  background: var(--bg-primary);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 500;
  transition: background-color 0.15s ease, color 0.15s ease;
  cursor: pointer;
}

.interest-tag:hover {
  background: var(--accent-primary);
  color: white;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 3rem;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--accent-gradient);
  color: white;
  text-decoration: none;
  border-radius: 0.75rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* Responsive Design */
@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .timeline-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 0 1rem;
  }

  .timeline-line {
    left: 1rem;
  }

  .timeline-marker {
    left: 0.5rem;
  }

  .resume-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .resume-sidebar {
    position: static;
    max-height: none;
    overflow-y: visible;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-card.featured {
    grid-column: span 1;
  }

  .filter-tabs {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 1rem;
  }

  .filter-tab {
    white-space: nowrap;
  }

  .quote-content {
    flex-direction: column;
    gap: 1rem;
  }

  .quote-content blockquote {
    font-size: 1.25rem;
  }

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

  .timeline-filters {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 1rem;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .timeline-filters::-webkit-scrollbar {
    display: none;
  }

  .timeline-filter {
    white-space: nowrap;
    flex-shrink: 0;
  }
}

@media (max-width: 480px) {
  .enhanced-page-subtitle {
    font-size: 1rem;
  }

  .quote-content blockquote {
    font-size: 1rem;
  }
}

/* Utility Classes */
.hidden {
  display: none !important;
}

.visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.reveal-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Optimize marker animations */
.timeline-marker:hover {
  transform: translateX(-50%) scale(1.05);
}

/* Remove expensive hover effects */
.timeline-marker:hover .marker-dot {
  /* box-shadow: 0 0 20px rgba(59, 130, 246, 0.5); - REMOVED */
}

/* Resume grid optimization */
.resume-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}