/* ═══════════════════════════════════════════════════════════════
   EUWL Hub v2 — Warm Studio Design System
   Gallery archive. Light minimal premium.
   ═══════════════════════════════════════════════════════════════ */

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  --bg: #F5F3EE;
  --bg-elevated: #FFFFFF;
  --bg-inset: #EBE8E1;
  --text: #18170F;
  --text-secondary: #7A7567;
  --text-tertiary: #A9A496;
  --accent: #1D5CA6;
  --accent-soft: rgba(29, 92, 166, 0.08);
  --border: rgba(24, 23, 15, 0.10);
  --border-strong: rgba(24, 23, 15, 0.18);

  --shadow-card: 0 1px 2px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.03);
  --shadow-card-hover: 0 2px 4px rgba(0,0,0,0.06), 0 8px 24px rgba(0,0,0,0.06);
  --shadow-float: 0 8px 32px rgba(0,0,0,0.10);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  --transition-fast: 150ms ease;
  --transition-smooth: 300ms cubic-bezier(0.25, 0.1, 0.25, 1);

  --color-claude: #B8654A;
  --color-demo: #A08B3C;
  --color-landing: #1D5CA6;
  --color-openai: #1A7A3A;
  --color-gemini: #8B5CF6;
  --color-zai: #0891B2;
  --color-devin: #6366F1;
  --color-openrouter: #E11D48;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }

/* ── Page-load animation ────────────────────────────────────── */
@keyframes pageIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

body > main,
body > .topbar {
  animation: pageIn 450ms var(--transition-smooth) both;
}

/* ── Topbar ─────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 56px;
  background: rgba(245, 243, 238, 0.82);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--border);
}

/* Hamburger toggle — hidden on desktop */
.topbar__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  color: var(--text);
  position: relative;
  z-index: 110;
  transition: color 0.35s ease, border-color 0.35s ease;
}

.topbar__toggle:hover {
  background: var(--bg-inset);
  border-color: var(--border-strong);
}

.topbar__toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Hamburger icon — three lines */
.topbar__toggle-icon {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 16px;
  height: 16px;
}

.topbar__toggle-icon span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease, width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center;
}

/* X state when open — white for dark overlay */
.topbar__toggle[aria-expanded="true"] {
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.15);
}

.topbar__toggle[aria-expanded="true"]:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
}

.topbar__toggle[aria-expanded="true"] .topbar__toggle-icon span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.topbar__toggle[aria-expanded="true"] .topbar__toggle-icon span:nth-child(2) {
  opacity: 0;
  width: 0;
}
.topbar__toggle[aria-expanded="true"] .topbar__toggle-icon span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Full-screen overlay */
.topbar__overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 90;
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  -webkit-backdrop-filter: blur(0px);
  backdrop-filter: blur(0px);
}

.topbar__overlay.visible {
  opacity: 1;
  -webkit-backdrop-filter: blur(40px) saturate(1.4);
  backdrop-filter: blur(40px) saturate(1.4);
}

/* Nav item entrance / exit animation */
@keyframes navItemIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.brand-mark {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
}

.brand-mark span {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  text-transform: none;
  font-weight: 400;
}

.brand-mark strong {
  font-weight: 500;
  color: var(--text-secondary);
}

.topnav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.topnav a {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 6px;
  transition: color var(--transition-fast), background var(--transition-fast);
  cursor: pointer;
}

.topnav a:hover,
.topnav a.active {
  color: var(--text);
  background: var(--bg-inset);
}

/* ── Page Shell ─────────────────────────────────────────────── */
.page-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
}

.page-shell--wide {
  max-width: 1400px;
}

/* ── Breadcrumbs ────────────────────────────────────────────── */
.crumbs {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding-top: 1.2rem;
  padding-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.crumbs a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.crumbs a:hover { color: var(--text); }

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  padding: 2.5rem 0 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1rem;
}

.hero-copy {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.65;
}

/* ── Section Blocks ─────────────────────────────────────────── */
.section-block {
  padding: 1.5rem 0 1rem;
}

.section-heading {
  margin-bottom: 1.5rem;
}

.section-heading h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}

.section-heading p { color: var(--text-tertiary); }

.section-rule {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0 0;
}

/* ── Labels: Eyebrow / Kicker / Code badge ─────────────────── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 0.3rem;
}

.card-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.card-code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
}

/* ── Card Grid System ───────────────────────────────────────── */
.card-grid {
  display: grid;
  gap: 1rem;
}

/* 4-col gallery (default) */
.card-grid--gallery {
  grid-template-columns: repeat(4, 1fr);
}

/* 6-col compact */
.card-grid--compact {
  grid-template-columns: repeat(6, 1fr);
}

/* asymmetric 2-col for landing */
.card-grid--split {
  grid-template-columns: 1fr 1fr;
}

/* 2 equal columns for Claude models */
.card-grid--duo {
  grid-template-columns: 1fr 1fr;
}

/* Featured layout (root page) */
.card-grid--featured {
  grid-template-columns: 1fr;
  gap: 1rem;
}

.card-grid--featured-sub {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* ── Gallery Card (demo thumbnails) ─────────────────────────── */
.gallery-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  transition:
    box-shadow var(--transition-smooth),
    transform var(--transition-smooth);
  text-decoration: none;
  color: var(--text);
  contain-intrinsic-size: 0 280px;
  content-visibility: auto;
}

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

.gallery-card__image {
  position: relative;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: var(--bg-inset);
}

.gallery-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.gallery-card:hover .gallery-card__image img {
  transform: scale(1.03);
}

.gallery-card__info {
  padding: 0.6rem 0.7rem 0.7rem;
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.gallery-card__code {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  min-width: 1.5rem;
}

.gallery-card__kicker {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-right: auto;
}

.gallery-card__info strong {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

/* Compact variant */
.gallery-card--compact .gallery-card__image {
  aspect-ratio: 16 / 10;
}

.gallery-card--compact .gallery-card__info {
  padding: 0.4rem 0.5rem 0.5rem;
}

.gallery-card--compact .gallery-card__kicker {
  display: none;
}

.gallery-card--compact .gallery-card__info strong {
  font-size: 0.7rem;
}

.gallery-card--compact .gallery-card__code {
  font-size: 0.52rem;
}

/* ── Hub Card (general link card) ───────────────────────────── */
.hub-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  transition:
    box-shadow var(--transition-smooth),
    transform var(--transition-smooth);
  text-decoration: none;
  color: var(--text);
  contain-intrinsic-size: 0 300px;
  content-visibility: auto;
}

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

.card-preview {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-inset);
}

.card-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.hub-card:hover .card-preview img {
  transform: scale(1.03);
}

.card-body {
  padding: 1rem 1.1rem 1.1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.card-body-inner {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.card-body strong {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card-body span:not(.card-code):not(.card-kicker) {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* ── Model Card (Claude models) ─────────────────────────────── */
.model-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 2rem;
  transition:
    box-shadow var(--transition-smooth),
    transform var(--transition-smooth);
  text-decoration: none;
  color: var(--text);
  contain-intrinsic-size: 0 200px;
  content-visibility: auto;
}

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

.model-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.model-card__name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.model-card__badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--bg-inset);
  color: var(--text-secondary);
}

.model-card__desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ── Project Card (landing samples) ─────────────────────────── */
.project-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  transition:
    box-shadow var(--transition-smooth),
    transform var(--transition-smooth);
  text-decoration: none;
  color: var(--text);
  contain-intrinsic-size: 0 320px;
  content-visibility: auto;
}

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

/* ── Empty Card (placeholders) ──────────────────────────────── */
.empty-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-strong);
  padding: 4rem 2rem;
  text-align: center;
  min-height: 320px;
}

.empty-card__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.empty-card__desc {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  max-width: 320px;
  line-height: 1.5;
}

/* ── Featured Card (root page hero card) ─────────────────────── */
.featured-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition:
    box-shadow var(--transition-smooth),
    transform var(--transition-smooth);
  text-decoration: none;
  color: var(--text);
  contain-intrinsic-size: 0 400px;
  content-visibility: auto;
}

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

.featured-card__image {
  aspect-ratio: 21 / 9;
  overflow: hidden;
  background: var(--bg-inset);
}

.featured-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

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

.featured-card__body {
  padding: 1.4rem 1.6rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.featured-card__text h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.featured-card__text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.featured-card__badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--bg-inset);
  color: var(--text-tertiary);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Toolbar (Demo gallery) ─────────────────────────────────── */
.toolbar {
  position: sticky;
  top: 56px;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0;
  margin-bottom: 1.5rem;
  background: rgba(245, 243, 238, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.toolbar__search {
  flex: 1;
  max-width: 300px;
  padding: 0.45rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.toolbar__search::placeholder {
  color: var(--text-tertiary);
}

.toolbar__search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.toolbar__actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.view-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-elevated);
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0;            /* hide text */
  line-height: 0;
}

/* Grid icon (4 squares) */
.view-btn--grid::before {
  content: '';
  width: 12px;
  height: 12px;
  background: currentColor;
  border-radius: 1.5px;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

/* Compact icon (6 dots) */
.view-btn--compact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px;
  flex-wrap: wrap;
  width: auto;
  min-width: 32px;
}

.view-btn--compact .dot {
  width: 5px;
  height: 5px;
  background: currentColor;
  border-radius: 50%;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.view-btn:hover {
  color: var(--text-secondary);
  border-color: var(--border-strong);
}

.view-btn:hover::before,
.view-btn:hover .dot { opacity: 0.8; }

.view-btn.active {
  background: var(--bg-inset);
  color: var(--text);
  border-color: var(--border-strong);
}

.view-btn.active::before,
.view-btn.active .dot { opacity: 1; }

.toolbar__count {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: 0.35rem 0.6rem;
  background: var(--bg-inset);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

/* ── Vendor Colors ──────────────────────────────────────────── */
.vendor-claude .model-card__badge {
  background: rgba(184, 101, 74, 0.10);
  color: var(--color-claude);
}
.vendor-claude .brand-mark strong { color: var(--color-claude); }
.vendor-claude .eyebrow { color: var(--color-claude); }

.vendor-demo .brand-mark strong { color: var(--color-demo); }
.vendor-demo .eyebrow { color: var(--color-demo); }
.vendor-demo .featured-card__badge {
  background: rgba(160, 139, 60, 0.10);
  color: var(--color-demo);
}

.vendor-euwl-landing .brand-mark strong { color: var(--color-landing); }
.vendor-euwl-landing .eyebrow { color: var(--color-landing); }

.vendor-openai .model-card__badge {
  background: rgba(26, 122, 58, 0.10);
  color: var(--color-openai);
}
.vendor-openai .brand-mark strong { color: var(--color-openai); }
.vendor-openai .eyebrow { color: var(--color-openai); }

.vendor-gemini .model-card__badge {
  background: rgba(139, 92, 246, 0.10);
  color: var(--color-gemini);
}
.vendor-gemini .brand-mark strong { color: var(--color-gemini); }
.vendor-gemini .eyebrow { color: var(--color-gemini); }

.vendor-zai .model-card__badge {
  background: rgba(8, 145, 178, 0.10);
  color: var(--color-zai);
}
.vendor-zai .brand-mark strong { color: var(--color-zai); }
.vendor-zai .eyebrow { color: var(--color-zai); }

.vendor-devin .model-card__badge {
  background: rgba(99, 102, 241, 0.10);
  color: var(--color-devin);
}
.vendor-devin .brand-mark strong { color: var(--color-devin); }
.vendor-devin .eyebrow { color: var(--color-devin); }

.vendor-openrouter .model-card__badge {
  background: rgba(225, 29, 72, 0.10);
  color: var(--color-openrouter);
}
.vendor-openrouter .brand-mark strong { color: var(--color-openrouter); }
.vendor-openrouter .eyebrow { color: var(--color-openrouter); }

/* ── Footer ─────────────────────────────────────────────────── */
.page-footer {
  padding: 3rem 2rem 2rem;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Focus / Accessibility ──────────────────────────────────── */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ── Responsive: Tablet (≤1024 px) ──────────────────────────── */
@media (max-width: 1024px) {
  .card-grid--gallery  { grid-template-columns: repeat(3, 1fr); }
  .card-grid--compact  { grid-template-columns: repeat(4, 1fr); }
  .card-grid--split    { grid-template-columns: 1fr; }
  .card-grid--featured-sub { grid-template-columns: 1fr; }
  .featured-card__image { aspect-ratio: 16 / 9; }
}

/* ── Responsive: Tablet (≤768px) — Full-screen editorial nav ──── */
@media (max-width: 768px) {
  .topbar__toggle {
    display: flex;
  }

  /* Full-screen takeover */
  .topnav {
    position: fixed;
    inset: 0;
    z-index: 95;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
    padding: 2rem 2.5rem;
    background: rgba(26, 25, 17, 0.94);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), visibility 0s 0.45s;
    overflow-y: auto;
  }

  .topnav.mobile-open {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), visibility 0s 0s;
  }

  /* Staggered entrance */
  .topnav.mobile-open a {
    animation: navItemIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .topnav.mobile-open a:nth-child(1) { animation-delay: 0.08s; }
  .topnav.mobile-open a:nth-child(2) { animation-delay: 0.12s; }
  .topnav.mobile-open a:nth-child(3) { animation-delay: 0.16s; }
  .topnav.mobile-open a:nth-child(4) { animation-delay: 0.20s; }
  .topnav.mobile-open a:nth-child(5) { animation-delay: 0.24s; }
  .topnav.mobile-open a:nth-child(6) { animation-delay: 0.28s; }
  .topnav.mobile-open a:nth-child(7) { animation-delay: 0.32s; }
  .topnav.mobile-open a:nth-child(8) { animation-delay: 0.36s; }

  /* Reverse stagger on close */
  .topnav:not(.mobile-open) a {
    animation: navItemOut 0.3s cubic-bezier(0.4, 0, 1, 1) both;
  }

  /* Nav item — editorial display type */
  .topnav a {
    font-family: var(--font-display);
    font-size: clamp(2rem, 7vw, 2.8rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: rgba(255, 255, 255, 0.5);
    padding: 0.55rem 0;
    border-radius: 0;
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    transition: color 0.25s ease;
    position: relative;
  }

  .topnav a::before {
    content: attr(data-index);
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.2);
    min-width: 1.2rem;
    text-align: right;
    flex-shrink: 0;
    padding-top: 0.15rem;
    transition: color 0.25s ease;
  }

  .topnav a:hover,
  .topnav a.active {
    color: rgba(255, 255, 255, 0.95);
    background: none;
  }

  .topnav a:hover::before,
  .topnav a.active::before {
    color: var(--accent);
  }

  /* Decorative underline on hover */
  .topnav a::after {
    content: '';
    position: absolute;
    bottom: 0.3rem;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .topnav a:hover::after {
    width: calc(100% - 2rem);
  }

  .topbar__overlay.mobile-open {
    display: block;
    background: rgba(26, 25, 17, 0.4);
  }

  body.nav-open {
    overflow: hidden;
  }
}

/* ── Responsive: Mobile (≤680 px) ───────────────────────────── */
@media (max-width: 680px) {
  .topbar {
    padding: 0 1rem;
    height: 48px;
  }

  .topnav {
    padding: 2rem 1.5rem;
  }

  .topnav a {
    font-size: clamp(1.7rem, 7vw, 2.4rem);
    padding: 0.45rem 0;
  }

  .brand-mark { font-size: 0.6rem; }
  .brand-mark span { font-size: 1.1rem; }

  .page-shell { padding: 1rem 1rem 3rem; }

  .hero { padding: 1.5rem 0 1.2rem; }
  .hero h1 { font-size: clamp(2.5rem, 12vw, 4rem); }
  .hero-copy { font-size: 0.9rem; }

  .card-grid--gallery  { grid-template-columns: repeat(2, 1fr); gap: 0.65rem; }
  .card-grid--compact  { grid-template-columns: repeat(3, 1fr); gap: 0.5rem; }
  .card-grid--duo      { grid-template-columns: 1fr; }
  .card-grid--split    { grid-template-columns: 1fr; }
  .card-grid--featured-sub { grid-template-columns: 1fr; }

  .toolbar {
    top: 48px;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .toolbar__search {
    max-width: none;
    flex: 1 1 100%;
  }

  .gallery-card__info strong { font-size: 0.72rem; }
  .gallery-card__info { padding: 0.45rem 0.5rem 0.5rem; }

  .model-card { padding: 1.5rem; }
  .model-card__name { font-size: 1.3rem; }

  .featured-card__body { padding: 1rem 1.1rem; }
  .featured-card__text h3 { font-size: 1.2rem; }

  .page-footer { padding: 2rem 1rem 1.5rem; }
  .section-heading h2 { font-size: 1.25rem; }
}


/* ═══════════════════════════════════════════════════════════════
   GDPR — Cookie Banner, Legal Pages, Cookie Settings
   ═══════════════════════════════════════════════════════════════ */

/* ── Cookie Banner ──────────────────────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  border-top: 1px solid var(--border);
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
  pointer-events: none;
}

.cookie-banner.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.cookie-banner__text {
  flex: 1;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 640px;
}

.cookie-banner__text strong {
  color: var(--text);
  font-weight: 500;
}

.cookie-banner__text a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: rgba(29, 92, 166, 0.3);
  transition: text-decoration-color var(--transition-fast);
}

.cookie-banner__text a:hover {
  text-decoration-color: var(--accent);
}

.cookie-banner__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.cookie-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.1rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  border-radius: 6px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1;
}

.cookie-btn--accept {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.cookie-btn--accept:hover {
  background: #2a2820;
  border-color: #2a2820;
}

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

.cookie-btn--reject:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--bg-inset);
}

.cookie-btn--customize {
  background: transparent;
  color: var(--accent);
  border-color: transparent;
  padding: 0.55rem 0.6rem;
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: rgba(29, 92, 166, 0.3);
}

.cookie-btn--customize:hover {
  text-decoration-color: var(--accent);
}

/* ── Legal Page Layout ──────────────────────────────────────── */
.legal-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
}

.legal-page__header {
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
}

.legal-page__tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 0.75rem;
}

.legal-page__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.legal-page__subtitle {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 520px;
}

.legal-page__updated {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-top: 1rem;
}

/* ── Legal Prose ────────────────────────────────────────────── */
.legal-prose {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.legal-section {
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.legal-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.legal-section__number {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 0.5rem;
}

.legal-section__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1rem;
}

.legal-section p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 0.75rem;
}

.legal-section p:last-child {
  margin-bottom: 0;
}

.legal-section strong {
  color: var(--text);
  font-weight: 600;
}

.legal-section ul,
.legal-section ol {
  margin: 0.75rem 0;
  padding-left: 1.25rem;
}

.legal-section li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 0.35rem;
}

.legal-section li strong {
  color: var(--text);
}

/* Info block — distinct from prose */
.legal-info {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 1rem 0;
}

.legal-info dt {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 0.15rem;
  margin-top: 0.6rem;
}

.legal-info dt:first-child {
  margin-top: 0;
}

.legal-info dd {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.55;
}

/* ── Cookie Settings Page ───────────────────────────────────── */
.cookie-settings {
  max-width: 640px;
  margin: 0 auto;
}

.cookie-category {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: border-color var(--transition-fast);
}

.cookie-category:hover {
  border-color: var(--border-strong);
}

.cookie-category__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.cookie-category__info {
  flex: 1;
}

.cookie-category__name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.2rem;
}

.cookie-category__desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.cookie-category__desc a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: rgba(29, 92, 166, 0.3);
}

/* Toggle switch */
.cookie-toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.cookie-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.cookie-toggle__slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg-inset);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.cookie-toggle__slider::before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 2px;
  bottom: 2px;
  background: var(--text-tertiary);
  border-radius: 50%;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.cookie-toggle input:checked + .cookie-toggle__slider {
  background: var(--accent);
  border-color: var(--accent);
}

.cookie-toggle input:checked + .cookie-toggle__slider::before {
  transform: translateX(20px);
  background: white;
}

.cookie-toggle input:disabled + .cookie-toggle__slider {
  cursor: not-allowed;
  opacity: 0.6;
}

.cookie-toggle input:focus-visible + .cookie-toggle__slider {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.cookie-category__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.56rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  background: var(--bg-inset);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-top: 0.5rem;
}

.cookie-category__tag--required {
  color: var(--color-openai);
  background: rgba(26, 122, 58, 0.08);
}

/* Save bar */
.cookie-save-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.cookie-save-bar__info {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ── Footer with Legal Links ────────────────────────────────── */
.page-footer--legal {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-footer__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.page-footer__links a {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.page-footer__links a:hover {
  color: var(--text);
  background: var(--bg-inset);
}

.page-footer__divider {
  width: 1px;
  height: 12px;
  background: var(--border);
  display: inline-block;
}

/* ── Responsive: Cookie Banner ──────────────────────────────── */
@media (max-width: 768px) {
  .cookie-banner {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    padding: 1.25rem 1.25rem 1.5rem;
  }

  .cookie-banner__actions {
    flex-direction: column;
    gap: 0.4rem;
  }

  .cookie-btn {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 680px) {
  .legal-page { padding: 1rem 1rem 3rem; }
  .legal-page__header { padding: 2rem 0 1.5rem; margin-bottom: 1.5rem; }
  .legal-page__title { font-size: clamp(2rem, 10vw, 2.8rem); }
  .legal-section__title { font-size: 1.3rem; }
  .cookie-category { padding: 1.1rem; }

  .page-footer--legal {
    flex-direction: column;
    gap: 0.75rem;
  }
}