/* ===================================
   P2P-CV @ WACV 2026 Stylesheet
   Modern, Professional Design
   =================================== */

/* CSS Variables */
:root {
  --primary-color: #0051ff;
  --primary-dark: #0041cc;
  --primary-light: #3d7eff;
  --secondary-color: #00d4aa;
  --accent-color: #ff6b6b;
  
  --text-dark: #1a1a2e;
  --text-medium: #4a4a68;
  --text-light: #6b6b87;
  
  --bg-white: #ffffff;
  --bg-light: #f8f9fc;
  --bg-alt: #f0f3f9;
  
  --border-color: #e1e8f0;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
  
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  --max-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-medium);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
  background: var(--bg-white);
  box-shadow: 0 2px 20px rgba(0, 81, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0.75rem 0;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid rgba(0, 81, 255, 0.1);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-logo {
  width: 50px;
  height: 50px;
  transition: transform 0.3s ease;
}

.nav-logo:hover {
  transform: scale(1.05);
}

.nav-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  border-radius: 3px;
  transition: var(--transition);
}

.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-menu li a {
  color: var(--text-medium);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: var(--transition);
  font-size: 0.95rem;
}

.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-menu li a:hover {
  color: var(--primary-color);
}

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
  width: 100%;
}

.nav-menu li a.active {
  color: var(--primary-color);
  font-weight: 600;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #0051ff 0%, #0041cc 50%, #0033aa 100%);
  color: white;
  padding: calc(var(--spacing-xl) + 2rem) 0 var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none"/><circle cx="10" cy="10" r="1" fill="white" opacity="0.1"/><circle cx="90" cy="90" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></svg>');
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

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

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  font-weight: 400;
  line-height: 1.4;
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-details {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.detail-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  background: rgba(255, 255, 255, 0.15);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.detail-item:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.detail-item .icon {
  width: 24px;
  height: 24px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: white;
  color: var(--primary-color);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.3);
}

.btn-secondary {
  background: transparent;
  color: white;
  border-color: white;
}

.btn-secondary:hover {
  background: white;
  color: var(--primary-color);
}

.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
}

.hero-wave svg {
  display: block;
  width: 100%;
  height: auto;
}

/* Sections */
.section {
  padding: var(--spacing-xl) 0;
}

.section-alt {
  background: var(--bg-light);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
  position: relative;
  display: inline-block;
  width: 100%;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--primary-color);
  margin: 1rem auto 0;
  border-radius: 2px;
}

.section-intro {
  text-align: center;
  font-size: 1.2rem;
  color: var(--text-medium);
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

.about-text {
  font-size: 1.1rem;
}

.lead {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.about-highlights {
  display: grid;
  gap: 1.5rem;
}

.highlight-card {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.highlight-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.highlight-card h3 {
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.highlight-card p {
  font-size: 0.95rem;
  margin: 0;
}

/* Topics Grid */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: var(--spacing-md);
}

.topic-card {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.topic-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.topic-card h3 {
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.topic-card p {
  font-size: 0.95rem;
  margin: 0;
  color: var(--text-medium);
}

/* Submission Tracks */
.submission-tracks {
  margin-top: var(--spacing-lg);
}

.submission-tracks h3 {
  text-align: center;
  margin-bottom: var(--spacing-md);
  font-size: 2rem;
}

.tracks-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: var(--spacing-md);
}

.track-card {
  background: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.track-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.track-header {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
  padding: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.track-number {
  background: rgba(255, 255, 255, 0.2);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
}

.track-header h4 {
  margin: 0;
  font-size: 1.5rem;
}

.track-details {
  padding: 2rem;
}

.track-details p {
  margin-bottom: 1rem;
  line-height: 1.8;
}

.track-details strong {
  color: var(--text-dark);
}

/* Review Process */
.review-process {
  margin-top: var(--spacing-lg);
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.review-process h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.review-process ul {
  list-style: none;
  padding: 0;
}

.review-process li {
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
  border-bottom: 1px solid var(--border-color);
}

.review-process li:last-child {
  border-bottom: none;
}

.review-process li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: 700;
  font-size: 1.2rem;
}

/* Timeline */
.timeline {
  max-width: 800px;
  margin: var(--spacing-md) auto 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--border-color);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  justify-content: flex-start;
  position: relative;
  margin-bottom: 2rem;
}

.timeline-item:nth-child(even) {
  justify-content: flex-end;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border: 4px solid white;
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px var(--bg-light);
  z-index: 1;
}

.timeline-item.highlight .timeline-marker {
  width: 30px;
  height: 30px;
  background: var(--accent-color);
}

.timeline-content {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  width: calc(50% - 40px);
}

.timeline-item:nth-child(even) .timeline-content {
  text-align: right;
}

.timeline-content h3 {
  color: var(--text-dark);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.timeline-content .date {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1.1rem;
  margin: 0;
}

/* Schedule */
.schedule {
  max-width: 900px;
  margin: 0 auto;
}

.schedule-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 2rem;
  padding: 1.5rem;
  margin-bottom: 1rem;
  background: white;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.schedule-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.schedule-item.keynote {
  border-left-color: var(--primary-color);
  background: linear-gradient(to right, rgba(0, 81, 255, 0.05), white);
}

.schedule-item.panel {
  border-left-color: var(--secondary-color);
  background: linear-gradient(to right, rgba(0, 212, 170, 0.05), white);
}

.schedule-item.special {
  border-left-color: var(--accent-color);
  background: linear-gradient(to right, rgba(255, 107, 107, 0.05), white);
}

.schedule-item.break {
  border-left-color: var(--text-light);
  opacity: 0.7;
}

.schedule-time {
  font-weight: 700;
  color: var(--primary-color);
  font-size: 1.1rem;
}

.schedule-content h3 {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.schedule-content p {
  margin: 0.25rem 0;
  font-style: italic;
  color: var(--text-medium);
}

.badge {
  display: inline-block;
  background: var(--primary-light);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 0.5rem;
}

.panelists {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.panelist {
  background: var(--bg-light);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--text-medium);
}

/* Speakers Grid */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: var(--spacing-md);
}

.speaker-card {
  background: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.speaker-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.speaker-image {
  width: 100%;
  height: 280px;
  overflow: hidden;
  background: var(--bg-alt);
}

.speaker-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Placeholder for missing images */
.speaker-image img[src*="placeholder"],
.speaker-image img[src=""]:not([src]) {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  position: relative;
}

.speaker-image img[src*="placeholder"]::after {
  content: '👤';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 5rem;
  opacity: 0.3;
}

.speaker-info {
  padding: 1.5rem;
}

.speaker-info h3 {
  color: var(--text-dark);
  margin-bottom: 0.25rem;
  font-size: 1.3rem;
}

.speaker-title {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.speaker-affiliation {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 1rem;
}

.speaker-bio {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-medium);
}

/* Organizers */
.organizers-section {
  margin-bottom: var(--spacing-lg);
}

.organizers-section h3 {
  text-align: center;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  font-size: 1.8rem;
}

.organizers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.organizer-card {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border-top: 4px solid var(--primary-color);
}

.organizer-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.organizer-card h4 {
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}

.organizer-title {
  color: var(--text-light);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.organizer-affiliation {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 1rem;
}

.email-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--primary-color);
  font-weight: 500;
  font-size: 0.95rem;
}

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

/* Program Committee */
.committee-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: var(--spacing-md);
}

.committee-column ul {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.committee-column li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-medium);
}

.committee-column li:last-child {
  border-bottom: none;
}

/* Outcomes Grid */
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: var(--spacing-md);
}

.outcome-card {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: var(--transition);
}

.outcome-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.outcome-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.outcome-card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.outcome-card p {
  margin: 0;
  font-size: 0.95rem;
}

/* Contact Grid */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: var(--spacing-md);
}

.contact-card {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--primary-color);
}

.contact-card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.contact-card p {
  margin-bottom: 0.5rem;
}

/* Footer */
.footer {
  background: var(--text-dark);
  color: white;
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: var(--spacing-md);
}

.footer-section h4 {
  color: white;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.footer-logo {
  width: 60px;
  height: 60px;
  margin-bottom: 1rem;
}

.footer-section p,
.footer-section li {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.5rem;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item,
  .timeline-item:nth-child(even) {
    justify-content: flex-end;
  }
  
  .timeline-marker {
    left: 20px;
  }
  
  .timeline-content {
    width: calc(100% - 60px);
  }
  
  .timeline-item:nth-child(even) .timeline-content {
    text-align: left;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 3rem;
    --spacing-lg: 2rem;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 1rem;
    box-shadow: var(--shadow-md);
    display: none;
    gap: 0;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-menu li {
    width: 100%;
  }
  
  .nav-menu li a {
    display: block;
    padding: 1rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .hero-details {
    flex-direction: column;
    gap: 1rem;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    text-align: center;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.3rem; }
  
  .schedule-item {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .topics-grid,
  .speakers-grid,
  .organizers-grid,
  .outcomes-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .tracks-container {
    grid-template-columns: 1fr;
  }
  
  .committee-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .detail-item {
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.6s ease-out;
}

/* Accessibility */
.skip-to-content {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-color);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 100;
}

.skip-to-content:focus {
  top: 0;
}

/* Print Styles */
@media print {
  .navbar,
  .hero-cta,
  .footer {
    display: none;
  }
  
  .section {
    page-break-inside: avoid;
  }
}

/* =============================================
   Additional Styles for Submission Track Pages
   ============================================= */

/* Page Header */
.page-header {
  background: linear-gradient(135deg, #0051ff 0%, #0041cc 100%);
  color: white;
  padding: 3rem 0 2rem;
  margin-bottom: 0;
}

.page-header.special {
  background: linear-gradient(135deg, #ff6b6b 0%, #ff5252 100%);
}

.breadcrumb {
  font-size: 0.9rem;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.breadcrumb a {
  color: white;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
  opacity: 0.7;
}

.breadcrumb span {
  opacity: 0.8;
}

.page-header h1 {
  color: white;
  margin-bottom: 0.5rem;
  font-size: 2.5rem;
}

.page-subtitle {
  font-size: 1.2rem;
  opacity: 0.95;
  margin-bottom: 1rem;
}

.track-badge {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.track-badge.archival {
  background: rgba(255, 255, 255, 0.2);
}

.track-badge.non-archival {
  background: rgba(255, 255, 255, 0.15);
}

.track-badge.collaboration {
  background: rgba(255, 255, 255, 0.2);
}

/* Content Container */
.content-narrow {
  max-width: 900px;
}

/* Track Link in Cards */
.track-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.track-link:hover {
  transform: translateX(5px);
}

/* Info Boxes */
.info-box {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  border-left: 5px solid var(--primary-color);
}

.info-box.primary {
  background: linear-gradient(to right, rgba(0, 81, 255, 0.08), rgba(0, 81, 255, 0.02));
  border-left-color: var(--primary-color);
}

.info-box.secondary {
  background: linear-gradient(to right, rgba(0, 212, 170, 0.08), rgba(0, 212, 170, 0.02));
  border-left-color: var(--secondary-color);
}

.info-box.success {
  background: linear-gradient(to right, rgba(76, 175, 80, 0.08), rgba(76, 175, 80, 0.02));
  border-left-color: #4caf50;
}

.info-box.collaboration {
  background: linear-gradient(to right, rgba(255, 107, 107, 0.08), rgba(255, 107, 107, 0.02));
  border-left-color: var(--accent-color);
}

.info-box h2, .info-box h3 {
  margin-top: 0;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.info-item strong {
  color: var(--primary-color);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-item span {
  font-size: 1.1rem;
  font-weight: 500;
}

/* Warning Box */
.warning-box {
  background: #fff9f0;
  border: 2px solid #ffa500;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.warning-box strong {
  color: #ff8c00;
  display: block;
  margin-bottom: 0.5rem;
}

/* Highlight Box */
.highlight-box {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  margin: 2rem 0;
}

.highlight-box.success {
  border-left: 5px solid #4caf50;
}

/* Requirements List */
.requirements-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}

.requirement-item {
  display: flex;
  gap: 1rem;
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.req-icon {
  width: 40px;
  height: 40px;
  background: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.req-content h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.req-content p {
  margin-bottom: 0;
}

/* Topics Columns */
.topics-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.topic-column ul {
  list-style: none;
  padding: 0;
}

.topic-column li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.topic-column li:last-child {
  border-bottom: none;
}

/* Section Guide */
.section-guide {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0;
}

.guide-item {
  background: var(--bg-light);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.guide-item h4 {
  margin-top: 0;
  color: var(--primary-color);
}

.guide-item p {
  margin: 0;
}

/* Process Steps */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 40px;
  bottom: 40px;
  width: 3px;
  background: var(--border-color);
}

.step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  position: relative;
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.step-content {
  flex: 1;
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.step-content h4 {
  margin-top: 0;
  color: var(--text-dark);
}

.step-content p {
  margin: 0;
}

/* Criteria Grid */
.criteria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.criterion {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--primary-color);
}

.criterion strong {
  display: block;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.criterion p {
  margin: 0;
  color: var(--text-medium);
  font-size: 0.95rem;
}

/* Tips Grid */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.tip-card {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.tip-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.tip-card h4 {
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-size: 1.1rem;
}

.tip-card p {
  margin: 0;
  font-size: 0.95rem;
}

/* Dates List */
.dates-list {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  margin: 2rem 0;
}

.date-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.date-item:last-child {
  border-bottom: none;
}

.date-item.highlight {
  background: linear-gradient(to right, rgba(0, 81, 255, 0.05), transparent);
  border-left: 4px solid var(--primary-color);
  padding-left: calc(1rem - 4px);
}

.date-item strong {
  color: var(--text-dark);
}

.date-item span {
  color: var(--primary-color);
  font-weight: 600;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
  padding: 3rem;
  border-radius: var(--border-radius);
  text-align: center;
  margin-top: 3rem;
}

.cta-section h3 {
  color: white;
  margin-top: 0;
}

.cta-section p {
  color: white;
  opacity: 0.95;
  font-size: 1.1rem;
}

.cta-section .button-group {
  margin-top: 1.5rem;
}

.button-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Acceptance Categories */
.acceptance-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.category-card {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.category-card:hover {
  box-shadow: var(--shadow-md);
}

.category-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.category-card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.category-card .example {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bg-light);
  border-radius: 8px;
  font-size: 0.9rem;
}

/* Structure List */
.structure-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 2rem 0;
}

.structure-item {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--secondary-color);
}

.structure-item h4 {
  margin-top: 0;
  color: var(--secondary-color);
}

.structure-item ul {
  margin-top: 0.5rem;
  padding-left: 1.5rem;
}

/* Scenario Box */
.scenario-box {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  margin: 1.5rem 0;
  border-left: 5px solid var(--secondary-color);
}

.scenario-box h3 {
  margin-top: 0;
  color: var(--secondary-color);
}

.scenario-box p strong {
  color: var(--text-dark);
}

/* FAQ List */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}

.faq-item {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.faq-item h4 {
  margin-top: 0;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
}

.faq-item p {
  margin: 0;
}

/* Checklist */
ul.checklist {
  list-style: none;
  padding-left: 0;
}

ul.checklist li {
  padding: 0.5rem 0;
  padding-left: 2rem;
  position: relative;
}

ul.checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: 700;
}

/* Audience Grid */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.audience-card {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: var(--transition);
}

.audience-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.audience-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.audience-card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* Quality Item */
.quality-item {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0;
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.quality-icon {
  width: 30px;
  height: 30px;
  background: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  flex-shrink: 0;
}

.quality-content h4 {
  margin-top: 0;
  color: var(--primary-color);
}

.quality-content .example {
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-light);
  border-radius: 6px;
  font-size: 0.9rem;
}

.quality-content .example.poor {
  background: #fff5f5;
  border-left: 3px solid #ff6b6b;
}

/* Slide Guide */
.slide-guide {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.slide-box {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.slide-number {
  background: linear-gradient(135deg, var(--accent-color), #ff5252);
  color: white;
  padding: 1rem 1.5rem;
  font-weight: 700;
  font-size: 1.2rem;
}

.slide-box h3 {
  margin: 1.5rem 1.5rem 1rem;
  color: var(--primary-color);
}

.slide-box h4, .slide-box h5 {
  margin: 1.5rem 1.5rem 1rem;
}

.slide-box p, .slide-box ul {
  margin: 0 1.5rem 1rem;
}

.slide-box ul {
  padding-left: 1.5rem;
}

.example-box {
  background: var(--bg-light);
  padding: 1.5rem;
  margin: 1.5rem;
  border-radius: 8px;
  border-left: 4px solid var(--secondary-color);
}

.example-box h5 {
  margin-top: 0;
  color: var(--secondary-color);
}

/* Session Structure */
.session-structure {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}

.session-phase {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border-left: 5px solid var(--primary-color);
}

.session-phase h4 {
  margin-top: 0;
  color: var(--primary-color);
}

/* Examples Grid */
.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.example-card {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--accent-color);
}

.example-card h4 {
  margin-top: 0;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.example-card p {
  margin: 0;
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text-medium);
}

/* Benefits List */
.benefits-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}

.benefit-item {
  display: flex;
  gap: 1.5rem;
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.benefit-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.benefit-content h4 {
  margin-top: 0;
  color: var(--primary-color);
}

.benefit-content p {
  margin: 0;
}

/* Criteria Box */
.criteria-box {
  margin: 2rem 0;
}

.criteria-box h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
  .page-header h1 {
    font-size: 2rem;
  }

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

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

  .slide-guide {
    grid-template-columns: 1fr;
  }

  .process-steps::before {
    left: 20px;
  }
}