:root {
  color-scheme: dark;
  --bg: #07151b;
  --surface: #0d2027;
  --surface-2: #122930;
  --text: #eaf5f4;
  --muted: #9cb2b4;
  --line: rgba(190, 226, 224, .16);
  --accent: #35e1d0;
  --accent-2: #8df7e9;
  --ink: #032725;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 "Segoe UI", Inter, system-ui, sans-serif; overflow-x: hidden; }
a { color: inherit; }
img { max-width: 100%; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }

.nav { position: sticky; top: 0; z-index: 20; background: rgba(7, 21, 27, .82); border-bottom: 1px solid var(--line); backdrop-filter: blur(20px); }
.nav-inner { min-height: 74px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); text-decoration: none; font-size: 20px; font-weight: 750; letter-spacing: -.025em; }
.brand img { width: 42px; height: 42px; object-fit: cover; border-radius: 12px; box-shadow: 0 8px 24px rgba(53, 225, 208, .14); }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 28px; }
.nav-links > a { color: var(--muted); font-size: 14px; font-weight: 650; text-decoration: none; }
.nav-links > a:hover { color: var(--text); }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 24px; border-radius: 13px; background: var(--accent); color: var(--ink); box-shadow: 0 15px 42px rgba(53, 225, 208, .16); font-weight: 800; text-decoration: none; }
.button:hover { background: var(--accent-2); transform: translateY(-1px); }
.button.compact { min-height: 42px; padding-inline: 17px; color: var(--ink); }
.text-link { color: var(--text); text-underline-offset: 5px; font-weight: 650; }
.text-link span { color: var(--accent); margin-left: 6px; }

.hero { position: relative; min-height: 760px; padding: 86px 0 96px; display: grid; align-items: center; border-bottom: 1px solid var(--line); overflow: hidden; }
.hero::before { content: ""; position: absolute; width: 760px; height: 760px; right: -170px; top: -180px; border: 1px solid rgba(53, 225, 208, .13); border-radius: 50%; box-shadow: 0 0 0 120px rgba(53, 225, 208, .025), 0 0 0 240px rgba(53, 225, 208, .015); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 72px; align-items: center; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--accent); text-transform: uppercase; letter-spacing: .17em; font-size: 11px; font-weight: 800; }
.eyebrow span { width: 24px; height: 1px; background: currentColor; }
h1 { max-width: 700px; margin: 18px 0 26px; font-size: clamp(54px, 6.5vw, 88px); line-height: .97; letter-spacing: -.065em; }
h1 em { color: var(--accent); font-style: normal; }
.hero-copy > p { max-width: 610px; color: #b8c9ca; font-size: 19px; }
.hero-actions { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; margin-top: 34px; }
.trust-row { display: flex; gap: 22px; flex-wrap: wrap; list-style: none; padding: 0; margin: 34px 0 0; color: var(--muted); font-size: 13px; }
.trust-row li::before { content: "✓"; color: var(--accent); margin-right: 7px; font-weight: 900; }
.hero-visual { position: relative; min-height: 610px; }
.phone { position: absolute; overflow: hidden; width: 280px; padding: 7px; border: 1px solid rgba(210, 241, 239, .25); border-radius: 40px; background: linear-gradient(145deg, #597178, #0a151b 22%, #061014 75%, #43626a); box-shadow: 0 40px 90px rgba(0, 0, 0, .55); }
.phone img { display: block; width: 100%; border-radius: 33px; }
.phone-front { left: 80px; top: 0; z-index: 2; transform: rotate(-3deg); }
.phone-back { right: 0; top: 92px; opacity: .75; transform: rotate(5deg) scale(.92); }
.security-orbit { position: absolute; right: 38px; bottom: 28px; z-index: 4; width: 148px; height: 148px; display: grid; place-items: center; border: 1px solid rgba(53, 225, 208, .4); border-radius: 50%; color: var(--accent); text-align: center; text-transform: uppercase; letter-spacing: .11em; font-size: 10px; background: rgba(7, 21, 27, .83); box-shadow: inset 0 0 40px rgba(53, 225, 208, .08); }
.security-orbit::before, .security-orbit::after { content: ""; position: absolute; inset: -9px; border: 1px dashed rgba(53, 225, 208, .22); border-radius: 50%; }
.security-orbit::after { inset: 17px; border-style: solid; }

.section { padding: 112px 0; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; }
h2 { margin: 14px 0 20px; font-size: clamp(38px, 5vw, 62px); line-height: 1.04; letter-spacing: -.055em; }
.security { background: #091a20; }
.security-copy > p { color: #b8c9ca; font-size: 19px; margin-top: 0; }
.fact-list { margin-top: 42px; border-top: 1px solid var(--line); }
.fact-list > div { display: grid; grid-template-columns: 54px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.fact-list strong { color: var(--accent); font: 700 12px/1.5 ui-monospace, monospace; }
.fact-list span { color: var(--muted); }
.fact-list b { display: block; margin-bottom: 5px; color: var(--text); font-size: 17px; }
.product { position: relative; }
.section-heading { display: grid; grid-template-columns: 1fr .65fr; gap: 70px; align-items: end; margin-bottom: 46px; }
.section-heading p { color: var(--muted); font-size: 18px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-grid article { min-height: 260px; padding: 32px; border-right: 1px solid var(--line); }
.feature-grid article:last-child { border-right: 0; }
.feature-number { color: var(--accent); font: 700 12px/1 ui-monospace, monospace; }
.feature-grid h3 { margin: 58px 0 10px; font-size: 23px; }
.feature-grid p { margin: 0; color: var(--muted); }
.screens { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 76px; align-items: start; }
.screens figure { margin: 0; }
.screens figure:nth-child(2) { margin-top: 54px; }
.screens img { display: block; width: 100%; border: 1px solid var(--line); border-radius: 28px; box-shadow: 0 26px 70px rgba(0, 0, 0, .35); }
.screens figcaption { padding: 14px 4px; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .12em; }

.download { background: #08181e; }
.download-panel { padding: 54px; border: 1px solid var(--line); border-radius: 28px; background: linear-gradient(145deg, rgba(53, 225, 208, .07), rgba(255, 255, 255, .015)); }
.download-intro { display: grid; grid-template-columns: 120px 1fr; gap: 30px; align-items: center; }
.download-intro > img { width: 120px; height: 120px; border-radius: 28px; }
.download-intro h2 { margin-bottom: 10px; }
.download-intro p { margin: 0; color: var(--muted); }
.platform-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 42px; }
.platform { display: grid; grid-template-columns: 52px 1fr auto; align-items: center; gap: 15px; min-height: 90px; padding: 16px 19px; border: 1px solid var(--line); border-radius: 17px; background: rgba(255, 255, 255, .025); text-decoration: none; transition: border-color .18s, background .18s, transform .18s; }
.platform:hover { border-color: rgba(53, 225, 208, .55); background: rgba(53, 225, 208, .06); transform: translateY(-2px); }
.platform-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 13px; background: rgba(53, 225, 208, .1); color: var(--accent); font-size: 24px; font-weight: 700; }
.platform small, .platform b { display: block; }
.platform small { color: var(--muted); font-size: 11px; }
.platform b { margin-top: 1px; font-size: 18px; }
.platform em { color: var(--accent); font-size: 11px; font-style: normal; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.release-note { margin: 26px 0 0; color: var(--muted); font-size: 13px; }

footer { padding: 32px 0 42px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-brand { font-size: 16px; }
.footer-brand img { width: 34px; height: 34px; border-radius: 9px; }
.footer-links { display: flex; gap: 22px; }

.legal { max-width: 850px; padding: 84px 0 120px; }
.legal h1 { font-size: clamp(40px, 7vw, 72px); }
.legal-date { color: var(--accent); font: 700 12px/1.5 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .07em; }
.legal-lead { margin: 42px 0 62px; padding: 28px; border-left: 2px solid var(--accent); background: rgba(53, 225, 208, .055); color: #c9d8d8; font-size: 19px; }
.legal h2 { margin-top: 52px; font-size: 27px; letter-spacing: -.025em; }
.legal p { color: #b6c8c9; }
.legal a { color: var(--accent); text-underline-offset: 4px; }
.legal-notice { margin: 24px 0; padding: 22px; border: 1px solid rgba(53, 225, 208, .25); border-radius: 15px; background: var(--surface); color: #bdd0d0; }
.legal-notice strong { color: var(--text); }

@media (max-width: 900px) {
  .hero-grid, .split, .section-heading { grid-template-columns: 1fr; }
  .hero-grid, .split { gap: 54px; }
  .hero-visual { width: min(580px, 100%); margin-inline: auto; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .feature-grid article:last-child { border-bottom: 0; }
  .feature-grid h3 { margin-top: 28px; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 28px, 1180px); }
  .nav-links > a:not(.button) { display: none; }
  .hero { padding: 58px 0 70px; }
  h1 { font-size: 49px; }
  .hero-copy > p { font-size: 17px; }
  .hero-visual { min-height: 505px; }
  .phone { width: 220px; border-radius: 32px; }
  .phone img { border-radius: 26px; }
  .phone-front { left: 0; }
  .phone-back { right: -34px; top: 62px; }
  .security-orbit { width: 116px; height: 116px; right: 2px; bottom: 8px; }
  .section { padding: 76px 0; }
  .screens { grid-template-columns: 1fr 1fr; }
  .screens figure:nth-child(2) { margin-top: 32px; }
  .screens figure:last-child { display: none; }
  .download-panel { padding: 28px 20px; }
  .download-intro { grid-template-columns: 72px 1fr; gap: 16px; }
  .download-intro > img { width: 72px; height: 72px; border-radius: 18px; }
  .download-intro .eyebrow { display: none; }
  .download-intro h2 { font-size: 34px; }
  .platform-grid { grid-template-columns: 1fr; }
  .platform { grid-template-columns: 46px 1fr auto; padding-inline: 14px; }
  .platform-icon { width: 44px; height: 44px; }
  .legal { padding-top: 60px; }
  .legal h1 { font-size: 33px; letter-spacing: -.045em; }
  .legal-title span { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}