/* ── WanVideo 2.1 Showcase — shared tokens ─────────────────────────────────── */
:root {
  --bg: #0b0e17;
  --bg-2: #111622;
  --bg-3: #181f2e;
  --border: #252d42;
  --border-soft: #1e2538;
  --fg: #e8edf5;
  --fg-2: #b0b9ce;
  --muted: #7a84a0;
  --accent: #7aa2f7;
  --accent-2: #5d8de8;
  --accent-soft: rgba(122, 162, 247, 0.12);
  --accent-glow: rgba(122, 162, 247, 0.35);
  --green: #4ade80;
  --amber: #fbbf24;
  --red: #f87171;
  --card-bg: #0f1420;
  --card-bg-2: #131a2a;
  --radius: 12px;
  --radius-sm: 8px;
  --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', monospace;
}

/* ── reset / base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: color .15s, opacity .15s; }
a:hover { color: #9bbaff; opacity: 1; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }

code, pre, .mono { font-family: var(--font-mono); font-size: 0.9em; }
code { background: var(--bg-3); padding: 0.1em 0.35em; border-radius: 4px; color: #cdd6f4; }

pre {
  background: #080b12;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 1em;
  overflow-x: auto;
  color: #cdd6f4;
  font-size: 0.85em;
  line-height: 1.5;
}

pre code { background: none; padding: 0; }

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

/* ── header ────────────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 14, 23, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
}
.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
  letter-spacing: -0.01em;
}
.brand i { color: var(--accent); font-size: 1.2rem; }
.brand:hover { opacity: 1; }
.header-nav { display: flex; gap: 1.5rem; }
.header-nav a {
  color: var(--fg-2);
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.85;
  transition: opacity .15s, color .15s;
}
.header-nav a:hover { opacity: 1; color: var(--fg); }

/* ── hero ──────────────────────────────────────────────────────────────────── */
.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.3rem 0.9rem 0.3rem 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 1.2rem;
}
.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--green); }
  50% { opacity: 0.55; box-shadow: 0 0 4px var(--green); }
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.6rem;
  background: linear-gradient(135deg, #ffffff 0%, #9bbaff 70%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.subtitle {
  font-size: 1.05rem;
  color: var(--fg-2);
  max-width: 54ch;
  margin-bottom: 1.5rem;
}
.hero-stats {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 0.55rem 1rem;
}
.stat-icon { color: var(--accent); font-size: 0.9rem; }
.stat-value { font-weight: 700; font-size: 1.1rem; color: var(--fg); font-variant-numeric: tabular-nums; }
.stat-label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid transparent;
  transition: background .15s, color .15s, border-color .15s, transform .05s;
  cursor: pointer;
  text-decoration: none;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: #0b0e17;
}
.btn-primary:hover { background: #8eb4ff; color: #0b0e17; opacity: 1; }
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--bg-3); color: var(--fg); border-color: var(--fg-2); opacity: 1; }

/* hero visual card */
.hero-visual { display: flex; justify-content: center; }
.hero-card {
  background: var(--card-bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  overflow: hidden;
}
.card-header {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border-soft);
}
.tag {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tag-badge { background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(122,162,247,0.25); }
.tag-fp16 { background: rgba(74,222,128,0.1); color: var(--green); border: 1px solid rgba(74,222,128,0.2); }
.card-body { padding: 1rem; display: flex; flex-direction: column; gap: 0.6rem; }
.model-line { display: flex; flex-direction: column; gap: 0.1rem; }
.model-key { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.model-value { font-size: 0.9rem; color: var(--fg); }
.model-value a { color: var(--accent); }
.model-value a:hover { color: #9bbaff; }

/* ── sections ──────────────────────────────────────────────────────────────── */
.section {
  background: var(--bg);
  padding: 4rem 1.5rem;
}
.section-alt { background: var(--bg-2); }
.section-inner { max-width: 1120px; margin: 0 auto; }
.section-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}
.section-icon { color: var(--accent); font-size: 1.1rem; }
.section-intro {
  color: var(--fg-2);
  max-width: 65ch;
  margin-bottom: 1.5rem;
}

/* ── model grid ────────────────────────────────────────────────────────────── */
.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.model-grid-placeholder {
  grid-column: 1 / -1;
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}
.model-card {
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.1rem;
  transition: border-color .15s, box-shadow .15s;
}
.model-card:hover { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent-soft); }
.model-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.4rem; color: var(--fg); }
.model-card .model-card-id { font-size: 0.75rem; color: var(--accent); word-break: break-all; margin-bottom: 0.6rem; }
.model-card dl { display: grid; grid-template-columns: auto 1fr; gap: 0.2rem 0.8rem; margin-bottom: 0.6rem; }
.model-card dt { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; padding-top: 0.1rem; }
.model-card dd { color: var(--fg-2); font-size: 0.85rem; margin: 0; }
.model-card .model-card-actions { display: flex; gap: 0.5rem; margin-top: 0.6rem; }
.model-card .model-card-actions a {
  font-size: 0.78rem;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  background: var(--bg-3);
  border: 1px solid var(--border-soft);
  color: var(--fg-2);
}
.model-card .model-card-actions a:hover { color: var(--fg); border-color: var(--fg-2); }

/* tree */
.details-card {
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}
.details-card summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--fg);
  font-size: 0.9rem;
  padding: 0.3rem 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.details-card summary::-webkit-details-marker { display: none; }
.details-card summary::before {
  content: '▸';
  color: var(--muted);
  transition: transform .15s;
  font-size: 0.8rem;
}
.details-card[open] summary::before { transform: rotate(90deg); }
.tree-wrap { margin-top: 0.8rem; background: #080b12; border-radius: var(--radius-sm); padding: 1rem; overflow-x: auto; }
.tree { font-family: var(--font-mono); font-size: 0.8rem; color: #cdd6f4; line-height: 1.6; white-space: pre; }

/* ── catalog ───────────────────────────────────────────────────────────────── */
.catalog-wrap { overflow-x: auto; }
.catalog-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
.catalog-table th {
  text-align: left;
  padding: 0.7rem 1rem;
  background: var(--bg-3);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-soft);
}
.catalog-table td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border-soft);
  color: var(--fg-2);
  vertical-align: top;
}
.catalog-table tr:last-child td { border-bottom: none; }
.catalog-table tr:hover td { background: rgba(122,162,247,0.04); }
.catalog-table code { background: var(--bg-3); padding: 0.1em 0.3em; border-radius: 4px; color: #cdd6f4; font-size: 0.82em; }
.catalog-table a { color: var(--accent); font-size: 0.82rem; }
.catalog-table a:hover { color: #9bbaff; }
.badge-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-right: 0.3rem;
}
.badge-badge { background: var(--bg-3); color: var(--muted); border: 1px solid var(--border-soft); }
.catalog-subtitle {
  margin-top: 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.6rem;
}
.muted { color: var(--muted); font-weight: 400; font-size: 0.85rem; }
.catalog-refs {
  list-style: none;
  padding: 0;
  margin-top: 0.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.4rem 1.5rem;
}
.catalog-refs li {
  font-size: 0.88rem;
  color: var(--fg-2);
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border-soft);
}
.catalog-refs li:last-child { border-bottom: none; }
.catalog-refs a { color: var(--accent); }
.catalog-refs a:hover { color: #9bbaff; }

/* ── GPU cards ─────────────────────────────────────────────────────────────── */
.gpu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}
.gpu-card {
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .15s;
}
.gpu-card:hover { border-color: var(--border); }
.gpu-card-head { padding: 0.6rem 1rem; }
.gpu-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.gpu-badge-min { background: rgba(74,222,128,0.12); color: var(--green); }
.gpu-badge-rec { background: var(--accent-soft); color: var(--accent); }
.gpu-badge-14b { background: rgba(251,191,36,0.12); color: var(--amber); }
.gpu-badge-cpu { background: rgba(248,113,113,0.12); color: var(--red); }
.gpu-card-body { padding: 0.8rem 1rem 1rem; }
.gpu-spec { display: flex; flex-direction: column; gap: 0.05rem; margin-bottom: 0.65rem; }
.gpu-label { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.gpu-value { font-size: 0.88rem; color: var(--fg); }
.gpu-note { font-size: 0.8rem; color: var(--muted); border-top: 1px solid var(--border-soft); padding-top: 0.5rem; margin-top: 0.3rem; }

/* ── prompts ───────────────────────────────────────────────────────────────── */
.prompts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}
.prompt-card {
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.1rem;
  transition: border-color .15s;
}
.prompt-card:hover { border-color: var(--border); }
.prompt-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.6rem;
}
.prompt-text {
  font-size: 0.9rem;
  color: var(--fg-2);
  line-height: 1.55;
  margin-bottom: 0.6rem;
}
.prompt-meta { font-size: 0.75rem; color: var(--muted); }

/* ── setup steps ───────────────────────────────────────────────────────────── */
.setup-steps {
  list-style: none;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.setup-steps li {
  counter-increment: step;
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.1rem;
  transition: border-color .15s;
  position: relative;
}
.setup-steps li:hover { border-color: var(--border); }
.setup-steps li::before {
  content: counter(step);
  position: absolute;
  top: 0.9rem;
  right: 1rem;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.4;
  font-family: var(--font-mono);
}
.setup-steps h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.setup-steps p {
  font-size: 0.85rem;
  color: var(--fg-2);
  margin-bottom: 0.5rem;
}
.setup-steps li ul { padding-left: 1.1rem; margin-top: 0.3rem; }
.setup-steps li ul li { font-size: 0.82rem; color: var(--fg-2); margin-bottom: 0.2rem; list-style: disc; }

/* ── credits ───────────────────────────────────────────────────────────────── */
.credits { padding-bottom: 2rem; }
.credits-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.5rem;
  padding: 1.2rem 0;
  border-top: 1px solid var(--border-soft);
}
.credit-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
}
.credit-icon { color: var(--accent); font-size: 0.9rem; }
.credit-label { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; margin-right: 0.3rem; }
.credit-item a { color: var(--fg); font-weight: 500; }
.credit-item a:hover { color: var(--accent); }
.credits-note {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.8rem;
}

/* ── footer ────────────────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border-soft);
  background: var(--bg-2);
  padding: 1rem 1.5rem;
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--muted);
}
.footer-right a { color: var(--fg-2); margin-left: 0.5rem; }
.footer-right a:hover { color: var(--fg); }

/* ── responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding-top: 2.5rem; }
  .hero-visual { order: -1; }
  .hero-card { max-width: 100%; }
  .header-nav { display: none; }
  .section { padding: 2.5rem 1.2rem; }
  .section-title { font-size: 1.25rem; }
  .prompts-grid, .gpu-grid, .model-grid { grid-template-columns: 1fr; }
  .setup-steps { grid-template-columns: 1fr; }
  .catalog-refs { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
}