:root {
  --navy: #011234;
  --bench: #0B1220;
  --panel: #131C2E;
  --grid: #1E2A40;
  --trace: #3BF0A0;
  --text: #DCE6F5;
  --muted: #8A94A6;
  --primary: #2F6BFF;
  --amber: #F5B83D;
  --ink: #0F1B2D;
  --ink-muted: #4A5568;
  --line: #E3E8EF;
  --paper: #FFFFFF;
  --radius: 16px;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.6 var(--sans); color: var(--text); background: var(--bench); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--trace); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(1, 18, 52, 0.88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--grid); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; font-size: 17px; }
.brand:hover { text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.nav-links { display: flex; gap: 22px; font-size: 15px; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero { background: radial-gradient(1200px 500px at 70% 0%, rgba(47, 107, 255, 0.22), transparent 60%), var(--navy); padding: 72px 0 88px; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.eyebrow { font: 600 12px/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--trace); }
h1 { font-size: clamp(36px, 5.4vw, 58px); line-height: 1.06; margin: 14px 0 18px; letter-spacing: -0.02em; color: #fff; }
h1 em { font-style: normal; color: var(--trace); }
.lead { font-size: 19px; color: #B7C3D6; max-width: 34em; margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 13px 22px; border-radius: 999px; font-weight: 600; font-size: 16px; border: 1.5px solid transparent; }
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-ghost { border-color: #2C3A55; color: var(--text); }
.soon { font-size: 14px; color: var(--muted); margin-top: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.chip { font: 500 13px/1 var(--mono); padding: 8px 12px; border-radius: 999px; background: rgba(59, 240, 160, 0.08); color: var(--trace); border: 1px solid rgba(59, 240, 160, 0.25); }

/* Phone frames */
.phone { width: 100%; max-width: 300px; border-radius: 38px; padding: 10px; background: #05070A; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px #26324A inset; }
.phone img { border-radius: 30px; width: 100%; height: auto; }
.hero-phones { position: relative; display: flex; justify-content: center; min-height: 520px; }
.hero-phones .phone:first-child { position: relative; z-index: 2; transform: rotate(-3deg); }
.hero-phones .phone:last-child { position: absolute; right: -10px; top: 60px; max-width: 250px; opacity: 0.9; transform: rotate(6deg); }

/* Stats */
.stats { background: var(--panel); border-top: 1px solid var(--grid); border-bottom: 1px solid var(--grid); }
.stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 28px 16px; text-align: center; border-left: 1px solid var(--grid); }
.stat:first-child { border-left: 0; }
.stat b { display: block; font: 600 36px/1.1 var(--mono); color: #fff; }
.stat span { color: var(--muted); font-size: 14px; }

/* Sections */
section { padding: 88px 0; }
.section-head { max-width: 640px; margin-bottom: 40px; }
h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.15; margin: 10px 0 12px; color: #fff; letter-spacing: -0.01em; }
.section-head p { color: #B7C3D6; font-size: 18px; margin: 0; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { background: var(--panel); border: 1px solid var(--grid); border-radius: var(--radius); padding: 24px; }
.feature .icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: rgba(47, 107, 255, 0.16); color: #8FB0FF; margin-bottom: 14px; }
.feature h3 { margin: 0 0 6px; font-size: 18px; color: #fff; }
.feature p { margin: 0; color: #A9B5C8; font-size: 15px; }

.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; align-items: start; }
.gallery figure { margin: 0; }
.gallery figcaption { margin-top: 12px; text-align: center; color: var(--muted); font-size: 14px; }
.gallery .phone { max-width: none; border-radius: 30px; padding: 8px; }
.gallery .phone img { border-radius: 23px; }

.alt { background: var(--panel); }
.courses { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.course { background: var(--bench); border: 1px solid var(--grid); border-radius: 14px; padding: 18px 20px; }
.course code { font: 600 13px var(--mono); color: var(--trace); letter-spacing: 0.04em; }
.course h3 { margin: 6px 0 2px; font-size: 17px; color: #fff; }
.course span { color: var(--muted); font-size: 14px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: step; }
.step { border-top: 2px solid var(--grid); padding-top: 18px; }
.step::before { counter-increment: step; content: '0' counter(step); font: 600 14px var(--mono); color: var(--trace); }
.step h3 { margin: 8px 0 6px; color: #fff; font-size: 19px; }
.step p { margin: 0; color: #A9B5C8; }

.privacy-band { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; background: linear-gradient(135deg, #0E2A5C, #0B1A3A); border: 1px solid #22396A; border-radius: 24px; padding: 44px; }
.privacy-band ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.privacy-band li { display: flex; gap: 12px; color: #C9D5E8; }
.privacy-band li::before { content: '✓'; color: var(--trace); font-weight: 700; }

/* Footer */
footer { border-top: 1px solid var(--grid); padding: 36px 0 48px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer a { color: var(--muted); }

/* Document pages (privacy) */
.doc { background: var(--paper); color: var(--ink); }
.doc main { max-width: 760px; margin: 0 auto; padding: 48px 20px 72px; }
.doc h1 { color: var(--ink); font-size: clamp(32px, 4vw, 42px); margin: 8px 0; }
.doc h2 { color: var(--ink); font-size: 22px; margin: 36px 0 8px; }
.doc p, .doc li { color: #2A3547; }
.doc .muted { color: var(--ink-muted); }
.doc main a { color: #1D4ED8; }
.doc .brand { color: var(--text); }
.doc footer a { color: var(--ink-muted); }
.doc table { border-collapse: collapse; width: 100%; margin: 8px 0 12px; font-size: 15px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 8px 12px 8px 0; border-bottom: 1px solid var(--line); }
.doc .eyebrow { color: #0E7C5A; }
.doc footer { border-top-color: var(--line); }

@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-phones { min-height: 0; margin-top: 12px; }
  .hero-phones .phone:last-child { display: none; }
  .hero-phones .phone:first-child { transform: none; max-width: 280px; }
  .features, .courses { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .privacy-band { grid-template-columns: 1fr; padding: 28px; }
}
@media (max-width: 600px) {
  .nav-links a:not(.keep) { display: none; }
  .hero { padding: 48px 0 56px; }
  .stats .wrap { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n + 3) { border-top: 1px solid var(--grid); }
  .features, .courses { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
}