:root {
  /* Colors - Light Theme (Default) */
  --color-bg: #ffffff;
  --color-surface: #f9f9fb;
  --color-text-main: #111111;
  --color-text-muted: #666666;
  --color-border: #eaeaea;
  --color-accent: #000000;
  --color-gold: #8E6E2F;
  --color-gold-muted: rgba(142, 110, 47, 0.12);
  --color-gold-bright: #C5A059;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-8: 4rem;
  --space-12: 6rem;
  --space-16: 8rem;

  /* Layout */
  --container-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* Colors - Dark Theme */
:root[data-theme="dark"] {
  --color-bg: #121212;
  --color-surface: #1e1e1e;
  --color-text-main: #f5f5f7;
  --color-text-muted: #a0a0a0;
  --color-border: #333333;
  --color-accent: #ffffff;
  --color-gold: #C5A059;
  --color-gold-muted: rgba(197, 160, 89, 0.2);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #121212;
    --color-surface: #1e1e1e;
    --color-text-main: #f5f5f7;
    --color-text-muted: #a0a0a0;
    --color-border: #333333;
    --color-accent: #ffffff;
    --color-gold: #C5A059;
    --color-gold-muted: rgba(197, 160, 89, 0.2);
  }
}

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

body, h1, h2, h3, p, figure, blockquote, dl, dd {
  margin: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  background-image: radial-gradient(circle at 50% 0%, var(--color-gold-muted) 0%, transparent 60vw);
  background-repeat: no-repeat;
  color: var(--color-text-main);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

button, input, textarea {
  font: inherit;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }

/* Layout Utilities */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.page-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-12);
  color: var(--color-text-main);
}

.section {
  padding: var(--space-8) 0 var(--space-12) 0;
  position: relative;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  letter-spacing: -0.02em;
}

.section-title::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background-color: var(--color-gold);
}

.section + .section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background-color: var(--color-gold);
  opacity: 0.5;
}

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* Bento Grid */
.bento-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .bento-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

.bento-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  background-color: var(--color-surface);
  aspect-ratio: 3/4;
  display: block;
  border: 1px solid var(--color-border);
}

.bento-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.15), 0 4px 8px -4px rgba(0, 0, 0, 0.1);
  border-color: var(--color-gold);
}
.bento-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.bento-item:hover .bento-img {
  transform: scale(1.05);
}

.bento-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-4);
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.bento-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: #fff;
}

.bento-caption {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.bento-item:hover .bento-caption {
  opacity: 1;
  transform: translateY(0);
}

/* 3D Printing Project Gallery */
.print-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-6) var(--space-5);
}

.print-card {
  display: flex;
  flex-direction: column;
  background: none;
  border: none;
  padding: 0;
  text-align: left;
  cursor: pointer;
  width: 100%;
  color: inherit;
  font: inherit;
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  outline: none;
}

.print-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.print-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.print-card:hover .print-card-media {
  border-color: var(--color-gold);
  box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.15), 0 4px 8px -4px rgba(0, 0, 0, 0.1);
}

.print-card:hover .print-card-img {
  transform: scale(1.04);
}

.print-card:focus-visible .print-card-media {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
  border-color: var(--color-gold);
}

.print-card-badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: rgba(18, 18, 18, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #f5f5f7;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  pointer-events: none;
  line-height: 1.2;
}

.print-card-info {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-1) 0;
}

.print-card-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin: 0;
  line-height: 1.3;
  transition: color 0.2s ease;
}

.print-card:hover .print-card-title {
  color: var(--color-gold);
}

.print-card-count {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 500;
  white-space: nowrap;
}

@media (max-width: 480px) {
  .print-gallery-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .print-card,
  .print-card-media,
  .print-card-img {
    transition: none !important;
    transform: none !important;
  }
}

.card-btn {
  background: none;
  border: none;
  padding: 0;
  text-align: left;
  cursor: pointer;
  color: inherit;
  font: inherit;
  width: 100%;
}

.card-btn:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 4px;
  border-radius: var(--radius-md);
}

/* Navigation */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: var(--space-6);
}

.nav-links a {
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text-main);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-main);
  position: relative;
  transition: background-color 0.2s;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: var(--color-text-main);
  transition: transform 0.2s;
}

.nav-toggle-icon::before { transform: translateY(-6px); }
.nav-toggle-icon::after { transform: translateY(6px); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-5);
  background-color: var(--color-accent);
  color: var(--color-bg);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: opacity 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn:hover {
  opacity: 0.9;
}

.btn-outline {
  background-color: transparent;
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
}

.btn-outline:hover {
  background-color: var(--color-gold-muted);
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* Cards */
.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  group: card;
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
}

.card-img-wrapper {
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  aspect-ratio: 16/9;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card-img {
  transform: scale(1.02);
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.card-title {
  font-size: 1.25rem;
  margin-top: var(--space-1);
}

/* Hero Section */
.hero {
  padding: var(--space-16) 0 var(--space-8);
  text-align: center;
}

.hero-title {
  max-width: 800px;
  margin: 0 auto var(--space-6);
}

.hero-img {
  width: 100%;
  border-radius: var(--radius-lg);
  aspect-ratio: 21/9;
  object-fit: cover;
  background-color: var(--color-surface);
  margin-top: var(--space-8);
}

/* Project Detail */
.project-header {
  margin-bottom: var(--space-8);
}

.project-hero {
  width: 100%;
  aspect-ratio: 16/9;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-8);
}

.quick-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-4);
  padding: var(--space-6);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-8);
}

.fact-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.fact-value {
  font-weight: 500;
}

/* Footer */
.footer {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-16);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  transition: border-color 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-text-main);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: 65px; /* Navbar height */
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--space-5) var(--space-4);
    gap: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease, visibility 0.25s;
  }
  
  .nav-links a {
    font-size: 1.125rem;
    padding: var(--space-2) 0;
    display: inline-block;
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-toggle {
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-icon {
    background-color: transparent;
  }
  
  .nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
    transform: rotate(45deg);
  }
  
  .nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
    transform: rotate(-45deg);
  }

  .page-title {
    font-size: clamp(2rem, 6vw, 3rem);
    margin-bottom: var(--space-6);
  }

  .grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  }
  
  .hero {
    padding: var(--space-8) 0 var(--space-4);
  }
  
  .hero-img {
    aspect-ratio: 16/9;
  }
  
  .footer {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox-modal[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
}

.lightbox-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  z-index: 1002;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
  pointer-events: auto;
}

.lightbox-close:hover {
  background: rgba(0, 0, 0, 0.7);
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: scale(1.05);
}

.lightbox-close:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* Modal Content Container */
.lightbox-content {
  position: relative;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 92vw;
  height: 100%;
  padding: var(--space-6) 0 var(--space-4);
  pointer-events: none;
}

/* Counter */
.lightbox-counter {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  font-weight: 500;
  font-family: var(--font-sans);
  pointer-events: auto;
  background: rgba(0, 0, 0, 0.45);
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Main Stage (Image + Arrows) */
.lightbox-main-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  width: 100%;
  flex: 1;
  min-height: 0;
  pointer-events: auto;
  position: relative;
}

.lightbox-image-wrapper {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 82vw;
  max-height: 72vh;
  width: 100%;
}

#lightbox-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
  user-select: none;
  transition: opacity 0.2s ease;
}

/* Nav Arrows */
.lightbox-nav {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  transition: all 0.2s ease;
  user-select: none;
  pointer-events: auto;
  opacity: 0.85;
  flex-shrink: 0;
}

.lightbox-nav:hover:not(:disabled) {
  opacity: 1;
  background: rgba(0, 0, 0, 0.75);
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: scale(1.08);
}

.lightbox-nav:disabled {
  opacity: 0.2;
  cursor: default;
  border-color: rgba(255, 255, 255, 0.08);
  transform: none;
}

.lightbox-nav:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* Footer (Title & Thumbnails) */
.lightbox-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  pointer-events: auto;
  flex-shrink: 0;
  max-width: 90vw;
}

.lightbox-title {
  color: #fff;
  font-size: 1.125rem;
  font-weight: 500;
  margin: 0;
  text-align: center;
}

.lightbox-thumbnails {
  display: flex;
  gap: 8px;
  max-width: 85vw;
  overflow-x: auto;
  padding: 4px 2px;
  scrollbar-width: thin;
  justify-content: center;
}

.lightbox-thumbnail-btn {
  background: none;
  border: 2px solid transparent;
  padding: 0;
  cursor: pointer;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
  transition: all 0.2s ease;
  opacity: 0.55;
  display: block;
}

.lightbox-thumbnail-btn:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.lightbox-thumbnail-btn.active {
  opacity: 1;
  border-color: var(--color-gold);
  transform: translateY(-2px);
}

.lightbox-thumbnail-btn:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

.lightbox-thumbnail {
  width: 60px;
  height: 60px;
  object-fit: cover;
  display: block;
}

@media (max-width: 640px) {
  .lightbox-content {
    padding: var(--space-8) 0 var(--space-3);
  }
  .lightbox-counter {
    top: var(--space-3);
    left: var(--space-3);
  }
  .lightbox-close {
    top: var(--space-3);
    right: var(--space-3);
    width: 44px;
    height: 44px;
    font-size: 1.5rem;
  }
  .lightbox-main-stage {
    position: relative;
    gap: 0;
  }
  .lightbox-image-wrapper {
    max-width: 95vw;
    max-height: 60vh;
  }
  .lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 44px;
    height: 44px;
    font-size: 1.25rem;
  }
  .lightbox-prev {
    left: var(--space-2);
  }
  .lightbox-next {
    right: var(--space-2);
  }
  .lightbox-thumbnail {
    width: 48px;
    height: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }
  .lightbox-modal,
  .lightbox-close,
  .lightbox-nav,
  .lightbox-thumbnail-btn,
  .expand-wrapper {
    transition: none !important;
    transform: none !important;
  }
}


/* Expandable Sections */
.expand-wrapper {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s ease-out;
}

.expand-wrapper.is-expanded {
  grid-template-rows: 1fr;
}

.expand-inner {
  overflow: hidden;
  min-height: 0;
}

/* Video Cards */
.video-card {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/9;
  cursor: pointer;
  background-color: var(--color-surface);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  font: inherit;
  color: inherit;
  text-align: left;
}

.video-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.15), 0 4px 8px -4px rgba(0, 0, 0, 0.1);
  border-color: var(--color-gold);
}

.video-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.video-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6) var(--space-4) var(--space-3);
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  pointer-events: none;
}

.video-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.2;
}

.video-card-meta {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 4px;
}

.video-card-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background-color: rgba(0, 0, 0, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease, background-color 0.2s ease, transform 0.2s ease;
  z-index: 2;
}

.video-card:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 4px;
}

.video-card-play::after {
  content: '';
  display: block;
  margin-left: 4px;
  border-left: 18px solid white;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
}

.video-card:hover .video-card-play,
.video-card:focus-visible .video-card-play {
  opacity: 1;
}

@media (hover: none) {
  .video-card-play {
    opacity: 0.85;
  }
}

.video-card:hover .video-card-play:hover {
  background-color: #ff0000;
  transform: translate(-50%, -50%) scale(1.1);
}

/* Video Modal */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.video-modal[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.video-modal-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.95);
  cursor: pointer;
}

.video-modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  z-index: 2001;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  min-width: 44px;
  padding: var(--space-2) var(--space-3);
  opacity: 0.85;
  transition: opacity 0.2s, background-color 0.2s;
}

.video-modal-close:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.8);
}

.video-modal-close:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

.video-modal-content {
  position: relative;
  z-index: 2001;
  width: 90vw;
  max-width: 1000px;
  display: flex;
  flex-direction: column;
}

.video-modal-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  background-color: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.video-modal-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-modal-caption {
  margin-top: var(--space-4);
  color: #fff;
  text-align: center;
}

.video-modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.video-modal-meta {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
}

/* Image Fallback */
img.broken-img {
  opacity: 0 !important;
}

/* Theme Toggle Button */
.theme-toggle {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 4px;
  border-radius: 99px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--color-text-muted);
  margin-left: var(--space-4);
  transition: transform 0.2s ease, box-shadow 0.2s ease, outline 0.2s ease;
  outline: 2px solid transparent;
  outline-offset: 2px;
}

.theme-toggle:focus-visible {
  outline-color: var(--color-text-main);
}

.theme-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  padding: 3px;
  border-radius: 50%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: background-color 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}

/* Light mode defaults (sun is active) */
.theme-toggle .icon-sun {
  background-color: var(--color-gold-muted);
  color: var(--color-gold);
  opacity: 1;
}

.theme-toggle .icon-moon {
  opacity: 0.5;
  background-color: transparent;
  color: var(--color-text-muted);
}

/* Dark mode overrides (moon is active) */
:root[data-theme="dark"] .theme-toggle .icon-sun {
  background-color: transparent;
  color: var(--color-text-muted);
  opacity: 0.5;
}

:root[data-theme="dark"] .theme-toggle .icon-moon {
  background-color: var(--color-gold-muted);
  color: var(--color-gold);
  opacity: 1;
}


/* ── Section Jump Navigation (work.html) ────────────────────── */
.section-jump-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.section-jump-nav a {
  display: inline-block;
  padding: 0.4rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.section-jump-nav a:hover {
  background-color: var(--color-gold-muted);
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.section-jump-nav a:focus-visible {
  outline: 2px solid var(--color-text-main);
  outline-offset: 2px;
}

/* ── Hero Disciplines Tags & CTA (index.html) ───────────────── */
.hero-disciplines {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.hero-disciplines span {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
}

.hero-cta {
  display: inline-flex;
  margin-bottom: var(--space-8);
}

/* ── Accessibility: Form Focus Fix ─────────────────────────── */
.form-control:focus {
  outline: 2px solid var(--color-text-main);
  outline-offset: 2px;
  border-color: var(--color-text-main);
}