:root {
  --bg: #060A12;
  --surface: #0C1220;
  --surface2: #111827;
  --fg: #E8EDF4;
  --fg-muted: #7B8FA8;
  --accent: #00C8F0;
  --accent-dim: #005F7A;
  --border: #1A2535;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* NAV */
.nav { border-bottom: 1px solid var(--border); padding: 20px 0; }
.nav-inner { max-width: 1100px; margin: 0 auto; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-family: var(--font-display); font-weight: 700; font-size: 20px; letter-spacing: -0.5px; color: var(--fg); }
.nav-tag { font-size: 12px; color: var(--accent); letter-spacing: 0.5px; text-transform: uppercase; font-family: var(--font-display); }

/* HERO */
.hero { max-width: 1100px; margin: 0 auto; padding: 100px 32px 80px; }
.hero-label { font-size: 11px; text-transform: uppercase; letter-spacing: 2px; color: var(--accent); font-family: var(--font-display); margin-bottom: 24px; font-weight: 600; }
.hero-title { font-family: var(--font-display); font-size: clamp(52px, 8vw, 88px); font-weight: 700; line-height: 1.0; letter-spacing: -3px; color: var(--fg); margin-bottom: 28px; }
.hero-sub { font-size: 18px; color: var(--fg-muted); line-height: 1.6; max-width: 560px; margin-bottom: 60px; font-weight: 300; }
.hero-metrics { display: flex; align-items: center; gap: 0; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); overflow: hidden; width: fit-content; }
.metric { padding: 24px 40px; }
.metric-val { display: block; font-family: var(--font-display); font-size: 32px; font-weight: 700; color: var(--accent); line-height: 1; margin-bottom: 6px; }
.metric-key { font-size: 11px; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.8px; font-family: var(--font-display); }
.metric-divider { width: 1px; height: 60px; background: var(--border); }

/* MANIFESTO */
.manifesto { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 80px 32px; }
.manifesto-inner { max-width: 700px; margin: 0 auto; }
.manifesto-label { font-size: 11px; text-transform: uppercase; letter-spacing: 2px; color: var(--accent); font-family: var(--font-display); font-weight: 600; margin-bottom: 20px; }
.manifesto-title { font-family: var(--font-display); font-size: clamp(28px, 4vw, 44px); font-weight: 700; line-height: 1.2; letter-spacing: -1.5px; margin-bottom: 24px; }
.manifesto-body { font-size: 16px; color: var(--fg-muted); line-height: 1.75; margin-bottom: 20px; font-weight: 300; }

/* METHODOLOGY */
.methodology { max-width: 1100px; margin: 0 auto; padding: 100px 32px; }
.methodology-header { margin-bottom: 60px; }
.section-label { font-size: 11px; text-transform: uppercase; letter-spacing: 2px; color: var(--accent); font-family: var(--font-display); font-weight: 600; margin-bottom: 16px; }
.section-title { font-family: var(--font-display); font-size: clamp(28px, 4vw, 44px); font-weight: 700; letter-spacing: -1.5px; line-height: 1.15; }
.method-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; }
.method-card { background: var(--surface); border: 1px solid var(--border); border-radius: 0; padding: 40px; }
.method-num { font-family: var(--font-display); font-size: 11px; color: var(--accent); font-weight: 700; letter-spacing: 1px; margin-bottom: 20px; }
.method-name { font-family: var(--font-display); font-size: 18px; font-weight: 600; margin-bottom: 12px; letter-spacing: -0.3px; }
.method-desc { font-size: 14px; color: var(--fg-muted); line-height: 1.7; font-weight: 300; }

/* BENCHMARKS */
.benchmarks { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 80px 32px; }
.bench-header { max-width: 1100px; margin: 0 auto 56px; }
.bench-grid { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--border); }
.bench-stat { padding: 36px 32px; border-right: 1px solid var(--border); text-align: center; }
.bench-stat:last-child { border-right: none; }
.bench-val { display: block; font-family: var(--font-display); font-size: 40px; font-weight: 700; color: var(--accent); line-height: 1; margin-bottom: 10px; letter-spacing: -2px; }
.bench-key { font-size: 11px; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.8px; font-family: var(--font-display); line-height: 1.4; }
.bench-note { max-width: 700px; margin: 40px auto 0; text-align: center; }
.bench-note p { font-size: 14px; color: var(--fg-muted); line-height: 1.6; font-style: italic; }

/* CLOSING */
.closing { padding: 100px 32px; text-align: center; }
.closing-inner { max-width: 700px; margin: 0 auto; }
.closing-title { font-family: var(--font-display); font-size: clamp(32px, 5vw, 60px); font-weight: 700; letter-spacing: -2px; line-height: 1.1; margin-bottom: 28px; }
.closing-body { font-size: 17px; color: var(--fg-muted); line-height: 1.7; font-weight: 300; }

/* FOOTER */
.footer { border-top: 1px solid var(--border); padding: 32px; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.footer-brand { font-family: var(--font-display); font-weight: 700; font-size: 16px; color: var(--fg); }
.footer-copy { font-size: 12px; color: var(--fg-muted); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { padding: 60px 20px 56px; }
  .hero-title { letter-spacing: -2px; }
  .hero-metrics { flex-direction: column; width: 100%; }
  .metric-divider { width: 100%; height: 1px; }
  .method-grid { grid-template-columns: 1fr; }
  .bench-grid { grid-template-columns: repeat(2, 1fr); }
  .bench-stat { border-bottom: 1px solid var(--border); }
  .bench-grid .bench-stat:nth-child(2n) { border-right: none; }
  .nav-inner { padding: 0 20px; }
  .nav-tag { display: none; }
  .manifesto, .methodology, .closing { padding: 64px 20px; }
  .benchmarks { padding: 64px 20px; }
  .footer { padding: 24px 20px; }
}