:root {
  --bg: #0c0d0f;
  --bg-2: #111317;
  --bg-3: #16191e;
  --fg: #e8e3d8;
  --fg-muted: #8a857a;
  --accent: #c8873a;
  --accent-dim: rgba(200, 135, 58, 0.12);
  --border: rgba(232, 227, 216, 0.08);
  --ring: rgba(200, 135, 58, 0.25);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 48px;
  height: 64px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(12, 13, 15, 0.85);
  backdrop-filter: blur(12px);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.nav-logo {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  letter-spacing: -0.5px;
  color: var(--fg);
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.5px;
}

/* ── SECTION COMMON ── */
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}
.section-headline {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 400;
  line-height: 1.15;
  color: var(--fg);
  letter-spacing: -0.5px;
}
.section-headline.narrow { max-width: 500px; }
.section-body {
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg-muted);
  margin-top: 20px;
  max-width: 540px;
}

/* ── HERO ── */
.hero {
  padding: 140px 48px 96px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 80px;
}
.hero-eyebrow {
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(42px, 5vw, 62px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1px;
  color: var(--fg);
}
.hero-lede {
  font-size: 18px;
  line-height: 1.65;
  color: var(--fg-muted);
  margin-top: 24px;
  max-width: 460px;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  width: 340px;
  height: 340px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.visual-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
}
.ring-1 { width: 340px; height: 340px; opacity: 0.4; }
.ring-2 { width: 240px; height: 240px; border-color: var(--accent); opacity: 0.3; }
.ring-3 { width: 140px; height: 140px; border-color: rgba(200,135,58,0.5); opacity: 0.5; }
.visual-center {
  width: 72px; height: 72px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.visual-icon { font-size: 28px; color: var(--bg); }

.visual-node {
  position: absolute;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
  letter-spacing: 0.5px;
}
.node-1 { top: 20px; left: 50%; transform: translateX(-50%); }
.node-2 { right: 10px; top: 50%; transform: translateY(-50%); }
.node-3 { bottom: 20px; left: 50%; transform: translateX(-50%); }
.node-4 { left: 10px; top: 50%; transform: translateY(-50%); }

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-number { font-family: 'Instrument Serif', serif; font-size: 28px; color: var(--fg); }
.stat-label { font-size: 13px; color: var(--fg-muted); }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* ── ENGINE ── */
.engine {
  padding: 96px 48px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.engine-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}
.engine-cards { display: flex; flex-direction: column; gap: 16px; }
.engine-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
}
.card-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 8px;
}
.card-desc { font-size: 14px; color: var(--fg-muted); line-height: 1.6; }

/* ── SYNTHESIZER ── */
.synthesizer {
  padding: 96px 48px;
}
.synth-inner { max-width: 1100px; margin: 0 auto; }
.synth-content { margin-bottom: 48px; }
.synth-visual {
  display: flex;
  align-items: center;
  gap: 40px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
}
.frame-block { flex: 1; }
.frame-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--accent);
  display: block;
  margin-bottom: 12px;
}
.frame-text { font-size: 14px; color: var(--fg-muted); line-height: 1.65; font-style: italic; }
.frame-arrow { font-size: 24px; color: var(--accent); flex-shrink: 0; }

/* ── DELIVERABLES ── */
.deliverables {
  padding: 96px 48px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.deliv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 1100px;
  margin: 0 auto;
}
.deliv-item { padding: 32px; background: var(--bg); border: 1px solid var(--border); border-radius: 12px; }
.deliv-number {
  font-family: 'Instrument Serif', serif;
  font-size: 48px;
  color: var(--accent);
  opacity: 0.6;
  line-height: 1;
  margin-bottom: 16px;
}
.deliv-title { font-size: 18px; font-weight: 500; color: var(--fg); margin-bottom: 10px; }
.deliv-desc { font-size: 14px; color: var(--fg-muted); line-height: 1.65; }

/* ── OUTCOMES ── */
.outcomes { padding: 96px 48px; }
.outcomes-inner { max-width: 1100px; margin: 0 auto; }
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 0;
}
.outcome { text-align: center; padding: 32px 16px; border: 1px solid var(--border); border-radius: 12px; }
.outcome-metric {
  font-family: 'Instrument Serif', serif;
  font-size: 40px;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
}
.outcome-label { font-size: 13px; color: var(--fg-muted); line-height: 1.5; }

/* ── CLOSING ── */
.closing {
  padding: 96px 48px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}
.closing-inner { max-width: 800px; margin: 0 auto; text-align: center; }
.closing-statement {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(24px, 3.5vw, 40px);
  line-height: 1.35;
  color: var(--fg);
  letter-spacing: -0.3px;
}

/* ── FOOTER ── */
.footer {
  padding: 32px 48px;
  border-top: 1px solid var(--border);
}
.footer-inner { display: flex; align-items: center; justify-content: space-between; max-width: 1100px; margin: 0 auto; }
.footer-brand { font-family: 'Instrument Serif', serif; font-size: 20px; color: var(--fg); }
.footer-copy { font-size: 13px; color: var(--fg-muted); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav { padding: 0 24px; }
  .hero { padding: 120px 24px 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { display: none; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .engine-grid { grid-template-columns: 1fr; gap: 48px; }
  .synth-visual { flex-direction: column; gap: 24px; padding: 28px; }
  .frame-arrow { transform: rotate(90deg); }
  .deliv-grid { grid-template-columns: 1fr; }
  .outcomes-grid { grid-template-columns: 1fr 1fr; }
  .engine, .synthesizer, .deliverables, .outcomes, .closing { padding: 64px 24px; }
  .footer { padding: 24px; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 36px; }
  .outcomes-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { display: none; }
}