:root {
  --bg: #0d0d0f;
  --bg-alt: #111114;
  --bg-light: #f5f4ef;
  --fg: #f0efe9;
  --fg-muted: #8a8a8a;
  --fg-dark: #1a1a1e;
  --accent: #c8963e;
  --accent-dim: rgba(200, 150, 62, 0.15);
  --border: rgba(240, 239, 233, 0.08);
  --border-light: rgba(26, 26, 30, 0.12);
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --max-w: 1200px;
  --section-pad: 100px;
  --radius: 6px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Navigation ───────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13, 13, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-links {
  display: flex;
  gap: 36px;
}
.nav-links a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--fg); }

/* ── Hero ──────────────────────────────── */
.hero {
  padding: 160px 40px 120px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 80px;
  align-items: start;
}
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}
.hero-headline em {
  font-style: italic;
  color: var(--accent);
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  gap: 40px;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--fg);
}
.stat-label { font-size: 0.75rem; color: var(--fg-muted); font-weight: 500; letter-spacing: 0.04em; }

/* Attribution card */
.attribution-card {
  background: #141418;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.78rem;
  line-height: 1.7;
  color: #7a7a7a;
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.card-title { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-muted); font-family: var(--font-body); }
.card-badge {
  background: rgba(100, 200, 120, 0.15);
  color: #6ec47a;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  font-family: var(--font-body);
}
.card-json { overflow: hidden; }
.json-key { color: #8a9fc9; }
.json-str { color: #c9a96e; }
.json-bool { color: #6ec47a; }
.card-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.card-dot {
  width: 8px; height: 8px;
  background: #6ec47a;
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(110, 196, 122, 0.6);
}
.card-text { font-size: 0.72rem; color: #6ec47a; font-family: var(--font-body); }

/* ── Shared section styles ─────────────── */
.section-eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* ── Provenance ─────────────────────────── */
.provenance { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.provenance-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--section-pad) 40px;
}
.provenance-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 64px;
}
.provenance-items { display: flex; flex-direction: column; gap: 0; }
.prov-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 32px;
  padding: 48px 0;
  border-top: 1px solid var(--border);
  align-items: start;
}
.prov-item:last-child { border-bottom: 1px solid var(--border); }
.prov-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--accent);
  line-height: 1;
  padding-top: 4px;
}
.prov-content h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.prov-content p { color: var(--fg-muted); font-size: 1rem; line-height: 1.7; max-width: 640px; }

/* ── How it works ──────────────────────── */
.how-it-works { background: var(--bg); }
.how-it-works-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--section-pad) 40px;
}
.how-header { margin-bottom: 72px; }
.steps-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-bottom: 2px;
}
.step-card {
  background: var(--bg-alt);
  padding: 40px;
  border: 1px solid var(--border);
}
.step-icon { color: var(--accent); margin-bottom: 28px; }
.step-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.step-body h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  line-height: 1.3;
}
.step-body p { color: var(--fg-muted); font-size: 0.925rem; line-height: 1.7; margin-bottom: 20px; }
.step-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 5px 12px;
  border-radius: 100px;
}

/* ── Integrations ──────────────────────── */
.integrations { background: var(--fg); }
.integrations-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--section-pad) 40px;
  text-align: center;
}
.integrations .section-headline { color: var(--fg-dark); }
.integrations-sub {
  color: #5a5a5a;
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 580px;
  margin: 24px auto 48px;
}
.integration-pills { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.pill {
  background: #e8e6df;
  color: var(--fg-dark);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 100px;
}

/* ── Benefits ──────────────────────────── */
.benefits { background: #f0efe9; }
.benefits-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--section-pad) 40px;
}
.benefits .section-headline { color: var(--fg-dark); margin-bottom: 64px; }
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: #d4d1c8;
  border: 1px solid #d4d1c8;
  border-radius: var(--radius);
  overflow: hidden;
}
.benefit-card {
  background: #f0efe9;
  padding: 48px 40px;
}
.benefit-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--accent);
  margin-bottom: 20px;
}
.benefit-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--fg-dark);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.benefit-card p { color: #5a5a5a; font-size: 0.925rem; line-height: 1.7; }

/* ── Manifesto ──────────────────────────── */
.manifesto {
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.manifesto-inner {
  max-width: 780px;
  margin: 0 auto;
  padding: 120px 40px;
  text-align: center;
}
.manifesto-tagline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-style: italic;
  letter-spacing: -0.03em;
  color: var(--accent);
  margin-bottom: 48px;
}
.manifesto-body {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 28px;
}
.manifesto-cta {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--fg);
  letter-spacing: -0.01em;
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

/* ── Footer ─────────────────────────────── */
.footer { background: var(--bg); border-top: 1px solid var(--border); }
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 64px 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.03em;
  color: var(--fg);
}
.footer-tagline { font-size: 0.85rem; color: var(--fg-muted); }
.footer-meta {
  display: flex;
  gap: 24px;
  font-size: 0.75rem;
  color: var(--fg-muted);
  margin-top: 24px;
}

/* ── Responsive ─────────────────────────── */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { order: -1; }
  .steps-row { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .prov-item { grid-template-columns: 48px 1fr; gap: 20px; }
  .hero-stats { gap: 24px; }
}
@media (max-width: 640px) {
  :root { --section-pad: 72px; }
  .hero { padding: 120px 24px 80px; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .nav-links { display: none; }
  .nav-inner { padding: 0 24px; }
  .provenance-inner, .how-it-works-inner, .integrations-inner, .benefits-inner, .manifesto-inner { padding-left: 24px; padding-right: 24px; }
  .footer-inner { padding: 48px 24px; }
  .footer-meta { flex-direction: column; gap: 8px; }
}