/* ============================================
   Sonal Dahanayaka Portfolio - Global Styles
   No external dependencies. All assets local.
   ============================================ */

/* CSS Variables */
:root {
  --primary: #0a0a0a;
  --secondary: #1a1a1a;
  --accent: #c9a227;
  --accent-hover: #d4b43a;
  --text: #f5f5f5;
  --text-muted: #a0a0a0;
  --text-dark: #333333;
  --border: #2a2a2a;
  --border-light: #3a3a3a;
  --success: #22c55e;
  --error: #ef4444;
  --warning: #f59e0b;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.3), 0 2px 4px -1px rgba(0,0,0,0.15);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.4), 0 10px 10px -5px rgba(0,0,0,0.2);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1280px;
  --header-height: 72px;
}

/* Light mode support */
@media (prefers-color-scheme: light) {
  :root {
    --primary: #ffffff;
    --secondary: #f8f9fa;
    --text: #1a1a1a;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --border-light: #d1d5db;
  }
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--primary);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover, a:focus {
  color: var(--accent-hover);
  text-decoration: underline;
  outline: 2px solid transparent;
  outline-offset: 2px;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent);
  color: var(--primary);
  padding: 8px 16px;
  z-index: 10000;
  font-weight: 600;
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  top: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 1.5vw, 1.35rem); }

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

.lead {
  font-size: 1.25rem;
  color: var(--text);
  font-weight: 400;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
}

@media (prefers-color-scheme: light) {
  .site-header {
    background: rgba(255, 255, 255, 0.95);
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.logo span {
  color: var(--accent);
}

.logo:hover {
  text-decoration: none;
  color: var(--text);
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 0.25rem;
}

.nav-link {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: var(--transition);
}

.nav-link:hover, .nav-link:focus, .nav-link.active {
  color: var(--text);
  background: var(--secondary);
  text-decoration: none;
}

.nav-link.active {
  color: var(--accent);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius);
}

.menu-toggle:hover {
  background: var(--secondary);
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* Search */
.search-wrapper {
  position: relative;
  margin-left: 1rem;
}

.search-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius);
  transition: var(--transition);
}

.search-toggle:hover, .search-toggle:focus {
  color: var(--text);
  background: var(--secondary);
}

.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-box {
  width: 90%;
  max-width: 600px;
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
}

.search-input {
  width: 100%;
  padding: 1rem 1.25rem;
  font-size: 1.1rem;
  background: var(--primary);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  outline: none;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--accent);
}

.search-results {
  margin-top: 1rem;
  max-height: 400px;
  overflow-y: auto;
}

.search-result-item {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.search-result-item:hover, .search-result-item:focus {
  background: var(--primary);
}

.search-result-item h4 {
  margin: 0;
  font-size: 1rem;
  color: var(--text);
}

.search-result-item p {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
}

.search-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 2rem;
  cursor: pointer;
  transition: var(--transition);
}

.search-close:hover {
  color: var(--text);
}

/* Main content spacing */
main {
  padding-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

/* Hero Section */
.hero {
  position: relative;
  padding: 8rem 0 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--primary) 100%);
  z-index: -1;
}

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

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(201, 162, 39, 0.1);
  border: 1px solid rgba(201, 162, 39, 0.3);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-title .highlight {
  color: var(--accent);
  position: relative;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
}

.hero-image-wrapper::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: linear-gradient(135deg, var(--accent) 0%, transparent 60%);
  border-radius: 50%;
  opacity: 0.3;
  filter: blur(40px);
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 2px solid var(--border);
  box-shadow: var(--shadow-lg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

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

.btn-primary:hover, .btn-primary:focus {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--primary);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -5px rgba(201, 162, 39, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover, .btn-secondary:focus {
  background: var(--secondary);
  border-color: var(--border-light);
  color: var(--text);
  text-decoration: none;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Section styling */
.section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.section-label {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: rgba(201, 162, 39, 0.1);
  border: 1px solid rgba(201, 162, 39, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: var(--transition);
}

.card:hover, .card:focus-within {
  transform: translateY(-4px);
  border-color: var(--border-light);
  box-shadow: var(--shadow-lg);
}

.card:hover::before, .card:focus-within::before {
  opacity: 1;
}

.card-icon {
  width: 48px;
  height: 48px;
  background: rgba(201, 162, 39, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.card-link {
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.stat-item {
  text-align: center;
  padding: 2rem;
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* About page */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}

.about-image {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.about-image img {
  border-radius: var(--radius-lg);
  border: 2px solid var(--border);
  box-shadow: var(--shadow-lg);
}

.about-content h2 {
  margin-top: 2rem;
}

.about-content h2:first-child {
  margin-top: 0;
}

.occupation-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.occupation-tag {
  padding: 0.4rem 1rem;
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.5rem;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateX(-4px);
}

.timeline-date {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.timeline-title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

/* Services */
.service-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card .card-text {
  flex: 1;
}

/* Portfolio / Music / Research grids */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.media-card {
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.media-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-light);
}

.media-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--primary);
  overflow: hidden;
}

.media-thumb img, .media-thumb iframe {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: none;
}

.media-info {
  padding: 1.25rem;
}

.media-title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.media-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Platform tabs */
.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

.tab-btn {
  padding: 0.6rem 1.25rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
}

.tab-btn:hover, .tab-btn:focus {
  background: var(--secondary);
  color: var(--text);
  border-color: var(--border-light);
}

.tab-btn.active {
  background: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Research items */
.research-item {
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: var(--transition);
}

.research-item:hover {
  border-color: var(--border-light);
  transform: translateX(4px);
}

.research-title {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.research-authors {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.research-date {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.research-desc {
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

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

.research-links a {
  font-size: 0.85rem;
  font-weight: 600;
}

/* Contact form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 {
  margin-bottom: 1rem;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-method-icon {
  width: 40px;
  height: 40px;
  background: rgba(201, 162, 39, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-method-content h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.contact-method-content p {
  margin: 0;
  font-size: 0.9rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--primary);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--accent);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
}

.form-status {
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid var(--success);
  color: var(--success);
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--error);
  color: var(--error);
}

/* Social links */
.social-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}

.social-link:hover, .social-link:focus {
  background: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
  text-decoration: none;
  transform: translateY(-2px);
}

/* Extra works categories */
.category-section {
  margin-bottom: 3rem;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.category-header h3 {
  margin: 0;
}

.category-count {
  padding: 0.25rem 0.75rem;
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
}

/* 404 Page */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  text-align: center;
  padding: 2rem;
}

.error-code {
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 900;
  line-height: 1;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: 1rem;
}

.error-title {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.error-text {
  max-width: 500px;
  margin-bottom: 2rem;
}

/* Footer */
.site-footer {
  background: var(--secondary);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 1rem;
}

.footer-brand span {
  color: var(--accent);
}

.footer-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover, .footer-links a:focus {
  color: var(--accent);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-social a:hover, .footer-social a:focus {
  background: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
  text-decoration: none;
}

/* Loading states */
.skeleton {
  background: linear-gradient(90deg, var(--secondary) 25%, var(--border) 50%, var(--secondary) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.loading-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb-separator {
  color: var(--border-light);
}

.breadcrumb-current {
  color: var(--text);
  font-weight: 600;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
    order: 2;
  }

  .hero-image {
    order: 1;
  }

  .hero-cta {
    justify-content: center;
  }

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

  .about-image {
    position: relative;
    top: 0;
    max-width: 300px;
    margin: 0 auto 2rem;
  }

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

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

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    align-items: flex-start;
  }

  @media (prefers-color-scheme: light) {
    .main-nav {
      background: rgba(255, 255, 255, 0.98);
    }
  }

  .main-nav.active {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 0.5rem;
  }

  .nav-link {
    padding: 1rem;
    font-size: 1.1rem;
    width: 100%;
  }

  .search-wrapper {
    margin-left: auto;
    margin-right: 0.5rem;
  }

  .hero {
    padding: 6rem 0 3rem;
  }

  .section {
    padding: 3rem 0;
  }

  .card-grid, .media-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.5rem;
  }

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

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .btn {
    width: 100%;
  }

  .hero-cta {
    flex-direction: column;
  }

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* Print styles */
@media print {
  .site-header, .site-footer, .search-overlay, .menu-toggle, .hero-cta {
    display: none !important;
  }

  main {
    padding-top: 0;
  }

  body {
    background: white;
    color: black;
  }

  a {
    color: black;
    text-decoration: underline;
  }

  .card, .media-card, .research-item {
    break-inside: avoid;
    border: 1px solid #ccc;
  }
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Selection */
::selection {
  background: rgba(201, 162, 39, 0.3);
  color: var(--text);
}