:root {
  --bg: #0a0908;
  --bg-2: #121110;
  --panel: #17150f;
  --border: #2a2620;
  --text: #f3ede2;
  --text-dim: #b8b0a1;
  --text-faint: #7d7669;
  --amber: #f5a524;
  --amber-dim: #c9861a;
  --amber-glow: rgba(245, 165, 36, 0.35);
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 14px;
  --max-w: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

a { color: inherit; }

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 9, 8, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  font-family: var(--serif);
  font-size: 1.3rem;
  text-decoration: none;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand-mark { font-size: 1.1rem; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.92rem;
  color: var(--text-dim);
}
.nav-links a { text-decoration: none; transition: color 0.15s; }
.nav-links a:hover { color: var(--amber); }
.nav-gh {
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 999px;
  color: var(--text) !important;
}
.nav-gh:hover { border-color: var(--amber); }

/* Hero */
.hero { padding: 88px 0 64px; position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--amber);
  margin: 0 0 18px;
}
h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 5.4vw, 4.4rem);
  line-height: 1.04;
  margin: 0 0 22px;
  letter-spacing: -0.01em;
}
h1 .accent { color: var(--amber); font-style: italic; }
.lede {
  font-size: 1.08rem;
  color: var(--text-dim);
  max-width: 52ch;
  margin: 0 0 34px;
}
.hero-deploy { margin-top: 48px; }
.preset-picker { margin: 0 0 16px; }
.preset-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.preset-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.preset-card:hover { border-color: rgba(245, 165, 36, 0.4); }
.preset-card.is-selected {
  border-color: var(--amber);
  background: rgba(245, 165, 36, 0.08);
  box-shadow: 0 0 0 1px var(--amber) inset;
}
.preset-card:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}
.preset-card-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
}
.preset-card-title { margin: 0; font-size: 1rem; font-weight: 700; }
.preset-badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--amber);
  color: #1a1204;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.preset-card-tagline { margin: 0 0 8px; color: var(--text-dim); font-size: 0.85rem; line-height: 1.4; }
.preset-card-size { margin: 0; color: var(--text-faint); font-size: 0.78rem; }

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 18px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(180deg, #ffc857, var(--amber));
  color: #1a1204;
  box-shadow: 0 8px 30px var(--amber-glow);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 36px var(--amber-glow); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }
.price-note { font-size: 0.88rem; color: var(--text-faint); margin: 0; }
.price-note strong { color: var(--text-dim); }

/* Hero visual: storyboard of real generated frames */
.hero-visual { display: flex; justify-content: center; }
.storyboard {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: 100%;
  max-width: 460px;
  margin: 0;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  transform: rotate(1.5deg);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.6);
}
.frame {
  margin: 0;
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(245, 165, 36, 0.18);
  background: #111;
}
.frame img,
.frame video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.frame-label {
  position: absolute;
  left: 8px;
  bottom: 8px;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  padding: 3px 7px;
  border-radius: 5px;
}
.storyboard-caption {
  grid-column: 1 / -1;
  margin: 2px 2px 0;
  font-size: 0.72rem;
  color: var(--text-dim);
  text-align: center;
}
@media (prefers-reduced-motion: reduce) {
  .storyboard { transform: none; }
}

/* Section shared */
.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  margin: 0 0 8px;
}
.section-lede { color: var(--text-dim); max-width: 60ch; margin: 0 0 36px; }
section { padding: 76px 0; border-top: 1px solid var(--border); }

/* How it works */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.step {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--amber);
  color: #1a1204;
  font-weight: 700;
  margin-bottom: 16px;
}
.step h3 { margin: 0 0 8px; font-size: 1.1rem; }
.step p { margin: 0; color: var(--text-dim); font-size: 0.95rem; }
.step code {
  background: rgba(245, 165, 36, 0.12);
  color: var(--amber);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 0.85em;
}

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: border-color 0.15s;
}
.feature-card:hover { border-color: rgba(245, 165, 36, 0.4); }
.feature-icon { font-size: 1.6rem; margin-bottom: 12px; }
.feature-card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.feature-card p { margin: 0; color: var(--text-dim); font-size: 0.92rem; }

/* Models table */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
thead th {
  text-align: left;
  padding: 14px 18px;
  color: var(--text-faint);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}
tbody td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
tbody tr:last-child td { border-bottom: none; }
.pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
}
.pill-open { background: rgba(72, 199, 116, 0.15); color: #6fe3a1; }
.pill-copyleft { background: rgba(245, 165, 36, 0.15); color: var(--amber); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 760px; }
details {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
}
summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; float: right; color: var(--amber); font-weight: 400; }
details[open] summary::after { content: '\2212'; }
details p { margin: 14px 0 0; color: var(--text-dim); font-size: 0.94rem; }

/* Final CTA */
.final-cta { text-align: center; }
.final-cta-inner { display: flex; flex-direction: column; align-items: center; gap: 26px; }
.final-cta h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 0; }
.final-cta-back {
  margin-top: -14px;
  color: var(--text-faint);
  font-size: 0.85rem;
  text-decoration: none;
}
.final-cta-back:hover { color: var(--amber); }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 28px 0; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  color: var(--text-faint);
  font-size: 0.85rem;
}
.footer-inner a { text-decoration: none; }
.footer-inner a:hover { color: var(--amber); }

/* Responsive */
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .storyboard { max-width: 360px; margin: 0 auto; }
  .steps { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .preset-cards { grid-template-columns: repeat(2, 1fr); }
  .nav-links { gap: 16px; font-size: 0.85rem; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .nav-links a:not(.nav-gh) { display: none; }
  .hero { padding: 56px 0 44px; }
  .feature-grid { grid-template-columns: 1fr; }
  .cta-row { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .preset-cards { grid-template-columns: 1fr; }
  section { padding: 56px 0; }
  table { font-size: 0.82rem; }
  thead th, tbody td { padding: 10px 12px; }
}