@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #08080d;
  --surface: #12121a;
  --surface-2: #1a1a26;
  --border: rgba(255, 255, 255, 0.08);
  --text: #eceaf4;
  --muted: #7a7790;
  --accent: #7c6aff;
  --accent-2: #00d4aa;
  --accent-3: #ff6b9d;
  --radius: 12px;
  --font: 'DM Sans', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --nav-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

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

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

/* ── Navigation ── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  background: rgba(8, 8, 13, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-nav .logo {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

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

.nav-links {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.8125rem;
  color: var(--muted);
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: var(--surface-2);
}

/* ── Demo page layout ── */
.demo-page {
  padding-top: var(--nav-h);
}

.demo-hero {
  padding: 3rem 1.5rem 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.effect-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  background: rgba(124, 106, 255, 0.12);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.demo-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.demo-hero p {
  color: var(--muted);
  font-size: 1.0625rem;
  max-width: 60ch;
}

.demo-hero .also-called {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.demo-hero .also-called strong {
  color: var(--text);
  font-weight: 500;
}

/* ── Demo stage (the interactive area) ── */
.demo-stage {
  margin: 2rem 0 4rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  min-height: 60vh;
  position: relative;
  overflow: hidden;
}

.demo-stage-label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  z-index: 10;
  pointer-events: none;
}

/* ── Info panel below demo ── */
.demo-info {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.demo-info h2 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.demo-info p, .demo-info li {
  color: var(--muted);
  font-size: 0.9375rem;
}

.demo-info ul {
  margin: 0.75rem 0 1.5rem 1.25rem;
}

.demo-info code {
  font-family: var(--mono);
  font-size: 0.8125rem;
  background: var(--surface-2);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: var(--accent-2);
}

/* ── Prev / Next navigation ── */
.demo-nav-footer {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.demo-nav-footer a {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex: 1;
  max-width: 280px;
  transition: border-color 0.2s, transform 0.2s;
}

.demo-nav-footer a:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.demo-nav-footer .label {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.demo-nav-footer .title {
  font-weight: 600;
  font-size: 0.9375rem;
}

.demo-nav-footer .next { text-align: right; margin-left: auto; }

/* ── Home page ── */
.home-hero {
  padding: calc(var(--nav-h) + 4rem) 1.5rem 3rem;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.home-hero h1 {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 1rem;
}

.home-hero h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.home-hero p { max-width: 52ch; margin: 0 auto; }

.home-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.home-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.home-section-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.home-section-header p {
  color: var(--muted);
  font-size: 0.9375rem;
  max-width: 40ch;
  text-align: right;
}

.home-section-header .badge {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--accent-2);
  background: rgba(0, 212, 170, 0.1);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Style cards ── */
.styles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-bottom: 4rem;
}

.style-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.style-card:hover {
  border-color: rgba(0, 212, 170, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.style-card-preview {
  height: 140px;
  border-bottom: 1px solid var(--border);
}

.style-card-body { padding: 1.25rem; }

.style-card .num {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--accent-2);
  margin-bottom: 0.5rem;
}

.style-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.style-card p {
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.style-card .traits {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.style-card .traits span {
  font-size: 0.625rem;
  font-family: var(--mono);
  padding: 0.2rem 0.5rem;
  background: var(--surface-2);
  border-radius: 4px;
  color: var(--muted);
}

.style-card .category {
  font-family: var(--mono);
  font-size: 0.625rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Preview thumbnails — 2026 trend gallery */
.preview-barely-there { background: linear-gradient(180deg, #fafafa 70%, #f0f0f0); }
.preview-scrollytelling { background: linear-gradient(180deg, #0a0a0a 40%, #1a1a2e 40%, #0a0a0a 70%, #222); }
.preview-kinetic-type { background: linear-gradient(135deg, #111, #111 50%, #ff3b00 50%); }
.preview-elevated-brutalism { background: repeating-linear-gradient(90deg, #fff 0 8px, #111 8px 16px); }
.preview-tactile-craft { background: linear-gradient(135deg, #e8dfd0, #c4b5a0); }
.preview-nature-inspired { background: linear-gradient(135deg, #3d4f3a, #8b7355, #d4c5a9); }
.preview-dopamine-maximal { background: linear-gradient(135deg, #ff0080, #ffcc00, #00e5ff); }
.preview-bento-mainstream { background: linear-gradient(135deg, #f5f5f7, #e8e8ed); }
.preview-dark-first { background: radial-gradient(circle at 30% 40%, #2a1040, #050508); }
.preview-dial-up-y2k { background: linear-gradient(135deg, #ff00ff, #00ffff, #ffff00); }
.preview-glass-2 { background: linear-gradient(135deg, #1a1040, #0a2a40); }
.preview-exaggerated-hierarchy { background: linear-gradient(180deg, #fff 55%, #111 55%); }
.preview-immersive-spatial { background: radial-gradient(ellipse at 50% 80%, #3b1f6e, #050510); }
.preview-museumcore { background: linear-gradient(180deg, #f7f4ef, #e8e2d8); }
.preview-anti-grid { background: conic-gradient(from 30deg, #111, #ff3355, #111, #3355ff, #111); }
.preview-swiss-typography { background: linear-gradient(90deg, #fff 50%, #e53935 50%); }
.preview-hand-illustrated { background: linear-gradient(135deg, #fff8e7, #ffd6a5); }
.preview-liquid-glass { background: linear-gradient(135deg, #667eea44, #764ba244), #1a1a2e; }
.preview-hyperreality { background: linear-gradient(135deg, #ff006e, #8338ec, #3a86ff); }
.preview-retro-80s { background: linear-gradient(180deg, #1a0a2e, #ff00ff44), linear-gradient(90deg, #00ffff22, transparent); }
.preview-editorial-magazine { background: linear-gradient(90deg, #f5f0e8 65%, #e8dfd0 65%); }
.preview-saas-product { background: linear-gradient(180deg, #fafafa, #e8e8ff); }
.preview-creative-portfolio { background: linear-gradient(180deg, #0a0a0a 60%, #333); }
.preview-ecommerce-store { background: linear-gradient(135deg, #fff8f0, #ffe4cc); }
.preview-dev-documentation { background: linear-gradient(90deg, #f8f9fa 28%, #fff 28%); }
.preview-corporate-trust { background: linear-gradient(135deg, #003366, #005599); }
.preview-luxury-fashion { background: linear-gradient(180deg, #1a1a1a, #3d3530); }
.preview-local-business { background: linear-gradient(135deg, #2d1810, #8b4513); }
.preview-aurora-mesh { background: radial-gradient(circle at 20% 30%, #7c6aff, transparent), radial-gradient(circle at 80% 70%, #00d4aa, transparent), #0a0a0f; }
.preview-award-cinematic { background: linear-gradient(180deg, #000 40%, #1a0a2e 70%, #000); }

.home-hero p {
  color: var(--muted);
  font-size: 1.125rem;
}

.stats-bar {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num { display: block; font-size: 2rem; font-weight: 700; color: var(--accent); letter-spacing: -0.03em; }
.stat-label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

.gallery-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.gallery-search {
  flex: 1;
  min-width: 200px;
  padding: 0.65rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.875rem;
}
.gallery-search:focus { outline: none; border-color: var(--accent); }
.filter-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.filter-chip {
  padding: 0.35rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--font);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-chip:hover, .filter-chip.active {
  background: rgba(124, 106, 255, 0.12);
  border-color: rgba(124, 106, 255, 0.4);
  color: var(--text);
}
.gallery-count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--muted);
}
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--muted);
  padding: 3rem;
}

.about-section { padding-bottom: 4rem; }
.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 640px;
}
.about-card h2 { font-size: 1.25rem; margin-bottom: 1rem; }
.about-card ol { margin: 0 0 1rem 1.25rem; color: var(--muted); line-height: 1.8; }
.about-card .about-note { font-size: 0.875rem; color: var(--muted); }
.site-footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--muted);
}
.site-footer a { color: var(--accent); }

.effect-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  max-width: 1200px;
}

.effect-card {
  display: block;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.effect-card:hover {
  border-color: rgba(124, 106, 255, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.effect-card .num {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.effect-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.effect-card p {
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.5;
}

.effect-card .category {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--mono);
  font-size: 0.625rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Utility ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

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

@media (max-width: 640px) {
  .nav-links .hide-mobile { display: none; }
  .demo-nav-footer { flex-direction: column; }
  .demo-nav-footer a { max-width: 100%; }
}