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

:root {
  --bg: #0c0c0e;
  --bg-2: #111114;
  --surface: #1a1a1f;
  --surface-2: #22222a;
  --accent: #f59e0b;
  --accent-dim: rgba(245,158,11,0.12);
  --text: #f0ede8;
  --text-2: #9997a0;
  --border: rgba(255,255,255,0.07);
  --radius: 12px;
  --font-head: 'Sora', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.nav { border-bottom: 1px solid var(--border); padding: 20px 0; }
.nav-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-family: var(--font-head); font-weight: 700; font-size: 20px; color: var(--text); letter-spacing: -0.02em; }
.nav-tagline { font-size: 13px; color: var(--text-2); }

/* Hero */
.hero { padding: 80px 0 60px; border-bottom: 1px solid var(--border); }
.hero-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-eyebrow { font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); margin-bottom: 20px; }
.hero-headline { font-family: var(--font-head); font-size: clamp(36px, 5vw, 58px); font-weight: 800; line-height: 1.05; letter-spacing: -0.03em; color: var(--text); margin-bottom: 20px; }
.hero-sub { font-size: 17px; color: var(--text-2); line-height: 1.65; margin-bottom: 24px; max-width: 480px; }
.hero-proof-line { font-size: 13px; color: var(--text-2); }
.hero-right { display: flex; flex-direction: column; gap: 16px; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 28px; }
.stat-card.accent { border-color: rgba(245,158,11,0.3); background: var(--accent-dim); }
.stat-number { font-family: var(--font-head); font-size: 42px; font-weight: 800; color: var(--accent); letter-spacing: -0.03em; margin-bottom: 8px; }
.stat-label { font-size: 14px; color: var(--text-2); line-height: 1.4; }

/* Proof */
.proof { padding: 60px 0; border-bottom: 1px solid var(--border); }
.proof-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.proof-header { font-family: var(--font-head); font-size: 22px; font-weight: 600; text-align: center; margin-bottom: 40px; color: var(--text-2); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.proof-item { text-align: center; }
.proof-value { font-family: var(--font-head); font-size: 32px; font-weight: 800; color: var(--accent); letter-spacing: -0.03em; margin-bottom: 8px; }
.proof-desc { font-size: 13px; color: var(--text-2); line-height: 1.4; }

/* Section label */
.section-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.15em; color: var(--accent); margin-bottom: 16px; }
.section-heading { font-family: var(--font-head); font-size: clamp(26px, 3.5vw, 40px); font-weight: 700; letter-spacing: -0.02em; color: var(--text); line-height: 1.15; margin-bottom: 48px; }

/* How */
.how { padding: 80px 0; border-bottom: 1px solid var(--border); }
.how-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.how-steps { display: flex; flex-direction: column; gap: 0; }
.how-step { display: grid; grid-template-columns: 80px 1fr; gap: 32px; align-items: start; padding: 36px 0; border-top: 1px solid var(--border); }
.step-num { font-family: var(--font-head); font-size: 48px; font-weight: 800; color: var(--surface-2); letter-spacing: -0.03em; line-height: 1; padding-top: 4px; }
.step-body h3 { font-family: var(--font-head); font-size: 22px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.step-body p { font-size: 16px; color: var(--text-2); line-height: 1.6; max-width: 560px; }

/* Stack */
.stack { padding: 80px 0; border-bottom: 1px solid var(--border); background: var(--bg-2); }
.stack-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.stack-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.stack-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.stack-icon { width: 44px; height: 44px; background: var(--accent-dim); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--accent); margin-bottom: 20px; }
.stack-card h3 { font-family: var(--font-head); font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.stack-card p { font-size: 15px; color: var(--text-2); line-height: 1.6; }

/* Results */
.results { padding: 80px 0; border-bottom: 1px solid var(--border); }
.results-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.results-split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.results-body { font-size: 16px; color: var(--text-2); line-height: 1.7; margin-bottom: 16px; }
.roi-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.roi-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-2); margin-bottom: 24px; }
.roi-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-top: 1px solid var(--border); font-size: 15px; color: var(--text-2); }
.roi-item span:first-child { color: var(--text-2); }
.roi-cost { color: var(--text); font-weight: 500; }
.roi-gain { color: var(--text); font-weight: 600; }
.roi-divider { height: 1px; background: var(--border); margin: 8px 0; }
.roi-item.highlight { background: var(--accent-dim); margin: 0 -32px; padding: 16px 32px; border-top: 1px solid rgba(245,158,11,0.2); }
.roi-item.highlight span:first-child { color: var(--text); font-weight: 600; }
.roi-result { font-family: var(--font-head); font-size: 22px; font-weight: 800; color: var(--accent); letter-spacing: -0.02em; }

/* Closing */
.closing { padding: 80px 0; }
.closing-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; text-align: center; }
.closing-headline { font-family: var(--font-head); font-size: clamp(32px, 4.5vw, 52px); font-weight: 800; letter-spacing: -0.03em; color: var(--text); margin-bottom: 20px; line-height: 1.1; }
.closing-body { font-size: 18px; color: var(--text-2); max-width: 560px; margin: 0 auto; line-height: 1.6; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 40px 0; }
.footer-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; text-align: center; }
.footer-brand { font-family: var(--font-head); font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.footer-sub { font-size: 14px; color: var(--text-2); margin-bottom: 16px; }
.footer-copy { font-size: 12px; color: var(--surface-2); }

/* Responsive */
@media (max-width: 768px) {
  .hero-inner, .proof-grid, .results-split { grid-template-columns: 1fr; }
  .how-step { grid-template-columns: 60px 1fr; gap: 20px; }
  .stack-grid { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
}