:root {
  --bg: #0D1B2A;
  --bg-alt: #162232;
  --bg-card: #1B2D40;
  --fg: #F4F6F8;
  --fg-muted: #8FA3B8;
  --accent: #FF6B35;
  --accent-dim: rgba(255, 107, 53, 0.12);
  --border: rgba(255, 255, 255, 0.07);
  --radius: 12px;
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  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: 1120px; margin: 0 auto; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-family: var(--font-display); font-weight: 800; font-size: 20px; color: var(--fg); letter-spacing: -0.3px; }
.nav-tag { font-size: 12px; color: var(--fg-muted); background: var(--bg-alt); padding: 4px 10px; border-radius: 20px; border: 1px solid var(--border); }

/* ── SECTIONS ── */
.section-label { font-size: 11px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }

/* ── HERO ── */
.hero { padding: 80px 0 72px; }
.hero-inner { max-width: 1120px; margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero-eyebrow { font-size: 13px; font-weight: 500; color: var(--accent); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 20px; }
.hero-headline { font-family: var(--font-display); font-weight: 800; font-size: clamp(36px, 4vw, 52px); line-height: 1.08; letter-spacing: -1.5px; color: var(--fg); margin-bottom: 24px; }
.hero-sub { font-size: 17px; color: var(--fg-muted); max-width: 440px; line-height: 1.65; }
.hero-right { display: flex; flex-direction: column; gap: 24px; }
.hero-stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.hero-stat-number { font-family: var(--font-display); font-weight: 800; font-size: 64px; color: var(--accent); letter-spacing: -2px; line-height: 1; margin-bottom: 10px; }
.hero-stat-label { font-size: 15px; color: var(--fg-muted); line-height: 1.5; }
.hero-tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { font-size: 12px; font-weight: 500; color: var(--fg-muted); background: var(--bg-alt); border: 1px solid var(--border); border-radius: 20px; padding: 5px 12px; }

/* ── PROOF ── */
.proof { padding: 80px 0; background: var(--bg-alt); }
.proof-inner { max-width: 1120px; margin: 0 auto; padding: 0 32px; }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.proof-item { background: var(--bg); padding: 36px 32px; }
.proof-item:first-child { border-radius: var(--radius) 0 0 0; }
.proof-item:nth-child(3) { border-radius: 0 var(--radius) 0 0; }
.proof-item:nth-child(4) { border-radius: 0 0 0 var(--radius); }
.proof-item:last-child { border-radius: 0 0 var(--radius) 0; }
.proof-icon { color: var(--accent); margin-bottom: 16px; }
.proof-item h3 { font-family: var(--font-display); font-size: 17px; font-weight: 700; margin-bottom: 10px; color: var(--fg); }
.proof-item p { font-size: 14px; color: var(--fg-muted); line-height: 1.6; }

/* ── STACK ── */
.stack { padding: 80px 0; }
.stack-inner { max-width: 1120px; margin: 0 auto; padding: 0 32px; }
.stack-headline { font-family: var(--font-display); font-weight: 800; font-size: clamp(28px, 3vw, 40px); letter-spacing: -1px; color: var(--fg); margin-bottom: 16px; line-height: 1.15; }
.stack-sub { font-size: 16px; color: var(--fg-muted); margin-bottom: 48px; max-width: 480px; }
.stack-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stack-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; }
.stack-logo { font-family: var(--font-display); font-weight: 800; font-size: 13px; background: var(--accent-dim); color: var(--accent); padding: 8px 14px; border-radius: 8px; display: inline-block; margin-bottom: 14px; letter-spacing: 0.5px; }
.stack-logo-ai { background: rgba(100, 200, 255, 0.1); color: #64C8FF; }
.stack-logo-cp { background: rgba(120, 200, 100, 0.1); color: #78C864; }
.stack-logo-zp { background: rgba(200, 100, 255, 0.1); color: #C864FF; }
.stack-item h4 { font-family: var(--font-display); font-weight: 700; font-size: 15px; margin-bottom: 8px; color: var(--fg); }
.stack-item p { font-size: 13px; color: var(--fg-muted); line-height: 1.55; }

/* ── PRICING ── */
.pricing { padding: 80px 0; background: var(--bg-alt); }
.pricing-inner { max-width: 1120px; margin: 0 auto; padding: 0 32px; }
.pricing-headline { font-family: var(--font-display); font-weight: 800; font-size: clamp(26px, 3vw, 38px); letter-spacing: -1px; color: var(--fg); margin-bottom: 48px; line-height: 1.15; }
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.pricing-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; }
.pricing-card-featured { border-color: var(--accent); background: linear-gradient(135deg, #1B2D40 0%, #1A1520 100%); }
.pricing-tier { font-family: var(--font-display); font-weight: 700; font-size: 13px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
.pricing-amount { font-family: var(--font-display); font-weight: 800; font-size: 42px; color: var(--fg); letter-spacing: -1px; line-height: 1; margin-bottom: 8px; }
.pricing-amount span { font-size: 16px; font-weight: 500; color: var(--fg-muted); }
.pricing-desc { font-size: 14px; color: var(--fg-muted); margin-bottom: 28px; }
.pricing-features { list-style: none; margin-bottom: 24px; }
.pricing-features li { font-size: 14px; color: var(--fg); padding: 6px 0; border-bottom: 1px solid var(--border); display: flex; gap: 10px; align-items: baseline; }
.pricing-features li::before { content: '✓'; color: var(--accent); font-size: 12px; flex-shrink: 0; }
.pricing-note { font-size: 13px; color: var(--fg-muted); font-style: italic; }
.pricing-closing { margin-top: 40px; font-family: var(--font-display); font-weight: 600; font-size: 17px; color: var(--fg-muted); text-align: center; }

/* ── CLOSING ── */
.closing { padding: 100px 0; background: var(--bg); }
.closing-inner { max-width: 760px; margin: 0 auto; padding: 0 32px; text-align: center; }
.closing-headline { font-family: var(--font-display); font-weight: 800; font-size: clamp(28px, 3.5vw, 44px); letter-spacing: -1.5px; color: var(--fg); line-height: 1.1; margin-bottom: 24px; }
.closing-sub { font-size: 17px; color: var(--fg-muted); line-height: 1.7; max-width: 600px; margin: 0 auto; }

/* ── FOOTER ── */
.footer { border-top: 1px solid var(--border); padding: 28px 0; }
.footer-inner { max-width: 1120px; margin: 0 auto; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; }
.footer-logo { font-family: var(--font-display); font-weight: 800; font-size: 16px; color: var(--fg); }
.footer-copy { font-size: 13px; color: var(--fg-muted); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .stack-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero { padding: 60px 0 48px; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-item { border-radius: 0 !important; }
  .stack-grid { grid-template-columns: 1fr; }
  .nav-inner, .footer-inner, .hero-inner, .proof-inner, .stack-inner, .pricing-inner, .closing-inner { padding: 0 20px; }
  .hero-stat-number { font-size: 48px; }
}