:root {
  color-scheme: dark;
  --bg: #080d12;
  --panel: #0e171f;
  --panel-2: #111d26;
  --line: #233541;
  --text: #f5f8fa;
  --muted: #9aadb9;
  --aqua: #51cfbf;
  --blue: #66adff;
  --warn: #ffc86b;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 75% 4%, rgba(81, 207, 191, .12), transparent 30%),
    radial-gradient(circle at 8% 32%, rgba(102, 173, 255, .08), transparent 25%),
    var(--bg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}
a { color: inherit; }
.wrap { width: min(calc(100% - 40px), var(--max)); margin: auto; }
.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  background: rgba(8, 13, 18, .9);
  backdrop-filter: blur(14px);
}
.header-row { min-height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { font-size: 19px; font-weight: 850; text-decoration: none; letter-spacing: -.03em; }
.logo b { color: var(--aqua); }
.main-nav { display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 13px; }
.main-nav a { text-decoration: none; }
.main-nav a:hover { color: var(--text); }
.main-nav .open { min-height: 44px; display: inline-flex; align-items: center; padding: 8px 15px; border: 1px solid var(--aqua); border-radius: 10px; color: #041e1a; background: var(--aqua); font-weight: 800; }
main { display: block; }
.hero { padding: 78px 0 62px; }
.crumbs { margin-bottom: 30px; color: var(--muted); font-size: 12px; }
.crumbs a { min-height: 28px; display: inline-flex; align-items: center; text-decoration: none; }
.crumbs span { margin: 0 8px; color: #516472; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(330px, .88fr); align-items: center; gap: 54px; }
.eyebrow, .kicker { color: var(--aqua); font-size: 11px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
h1 { max-width: 800px; margin: 15px 0 22px; font-size: clamp(38px, 5.2vw, 66px); line-height: 1.05; letter-spacing: -.045em; }
.lead { max-width: 760px; margin: 0; color: #bdcbd3; font-size: clamp(17px, 2vw, 21px); line-height: 1.55; }
.actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 30px; }
.btn { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 10px 18px; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; font-weight: 800; }
.btn.primary { border-color: var(--aqua); color: #04211d; background: var(--aqua); }
.btn:hover { transform: translateY(-1px); }
.disclaimer { max-width: 760px; margin: 17px 0 0; color: var(--muted); font-size: 12px; }
.hero-panel { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(145deg, rgba(17, 29, 38, .96), rgba(9, 17, 23, .94)); box-shadow: 0 30px 75px rgba(0, 0, 0, .3); }
.panel-head { display: flex; justify-content: space-between; gap: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.panel-head b { color: var(--aqua); }
.signal-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.signal-list li { display: grid; grid-template-columns: 31px 1fr; gap: 12px; padding: 15px 0; border-bottom: 1px solid rgba(255, 255, 255, .06); }
.signal-list li:last-child { border: 0; }
.signal-list i { width: 27px; height: 27px; display: grid; place-items: center; border: 1px solid #31505a; border-radius: 50%; color: var(--aqua); font-style: normal; font-size: 11px; font-weight: 800; }
.signal-list strong { display: block; font-size: 13px; }
.signal-list small { display: block; color: var(--muted); font-size: 11px; }
.facts { padding-bottom: 70px; }
.fact-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 14px; background: rgba(14, 23, 31, .72); }
.fact { padding: 18px 20px; border-right: 1px solid var(--line); }
.fact:last-child { border: 0; }
.fact b { display: block; margin-bottom: 3px; color: var(--aqua); font-size: 13px; }
.fact span { color: var(--muted); font-size: 12px; }
section { padding: 74px 0; border-top: 1px solid rgba(255, 255, 255, .07); }
.section-head { display: grid; grid-template-columns: .82fr 1.18fr; gap: 42px; margin-bottom: 34px; }
h2 { max-width: 800px; margin: 9px 0 0; font-size: clamp(29px, 4vw, 45px); line-height: 1.13; letter-spacing: -.035em; }
.section-intro { margin: 24px 0 0; color: var(--muted); font-size: 17px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card { min-width: 0; padding: 25px; border: 1px solid var(--line); border-radius: 14px; background: rgba(14, 23, 31, .82); }
.card-num { color: var(--aqua); font-size: 11px; font-weight: 850; }
.card h3 { margin: 12px 0 9px; font-size: 19px; line-height: 1.3; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.steps { counter-reset: step; display: grid; gap: 12px; }
.step { counter-increment: step; display: grid; grid-template-columns: 56px 1fr; gap: 20px; padding: 24px; border: 1px solid var(--line); border-radius: 14px; background: rgba(14, 23, 31, .65); }
.step::before { content: counter(step, decimal-leading-zero); color: var(--aqua); font-size: 14px; font-weight: 850; }
.step h3 { margin: 0 0 7px; font-size: 19px; }
.step p { margin: 0; color: var(--muted); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.safe, .limit-box { padding: 30px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.safe h3, .limit-box h3 { margin: 0 0 14px; font-size: 23px; }
.safe ul, .limit-box ul { display: grid; gap: 11px; margin: 0; padding: 0; list-style: none; }
.safe li, .limit-box li { position: relative; padding-left: 22px; color: #b8c6ce; }
.safe li::before, .limit-box li::before { position: absolute; left: 0; color: var(--aqua); content: "→"; }
.limit-box { border-color: #4b402c; background: linear-gradient(145deg, rgba(55, 43, 23, .43), rgba(14, 23, 31, .88)); }
.limit-box h3, .limit-box li::before { color: var(--warn); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
.compare { width: 100%; min-width: 690px; border-collapse: collapse; background: rgba(14, 23, 31, .76); }
.compare th, .compare td { padding: 15px 17px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.compare th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.compare td { font-size: 14px; }
.compare tr:last-child td { border: 0; }
.yes { color: var(--aqua); }
.faq { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.faq article { padding: 24px; border: 1px solid var(--line); border-radius: 14px; background: rgba(14, 23, 31, .62); }
.faq h3 { margin: 0 0 9px; font-size: 17px; }
.faq p { margin: 0; color: var(--muted); font-size: 14px; }
.related { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.related a { min-height: 96px; display: flex; flex-direction: column; justify-content: space-between; padding: 18px; border: 1px solid var(--line); border-radius: 13px; color: var(--muted); text-decoration: none; background: rgba(14, 23, 31, .68); }
.related a:hover { border-color: var(--aqua); color: var(--text); }
.related b { color: var(--text); }
.final { padding: 68px 0; }
.final-box { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 35px; padding: 36px; border: 1px solid #24554f; border-radius: 18px; background: linear-gradient(135deg, rgba(81, 207, 191, .1), rgba(14, 23, 31, .9)); }
.final h2 { margin: 0; }
.final p { max-width: 700px; margin: 12px 0 0; color: var(--muted); }
.site-footer { padding: 34px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer-row { display: flex; justify-content: space-between; gap: 28px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 18px; }
.footer-links a { min-height: 32px; display: inline-flex; align-items: center; text-decoration: none; }
.legal { max-width: 760px; margin-top: 18px; line-height: 1.55; }
@media (max-width: 900px) {
  .hero-grid, .section-head, .split { grid-template-columns: 1fr; }
  .hero-panel { margin-top: 8px; }
  .fact-grid { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(2) { border-right: 0; }
  .fact:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .cards { grid-template-columns: 1fr; }
  .related { grid-template-columns: 1fr 1fr; }
  .final-box { grid-template-columns: 1fr; }
  .footer-row { display: grid; }
}
@media (max-width: 560px) {
  .wrap { width: min(calc(100% - 24px), var(--max)); }
  .header-row { min-height: 58px; }
  .main-nav a:not(.open) { display: none; }
  .main-nav .open { min-height: 44px; padding: 7px 12px; font-size: 12px; }
  .hero { padding: 42px 0 48px; }
  .crumbs { margin-bottom: 22px; }
  h1 { font-size: 39px; }
  .actions { display: grid; }
  .btn { width: 100%; }
  .fact-grid, .related { grid-template-columns: 1fr; }
  .fact { border-right: 0; border-bottom: 1px solid var(--line) !important; }
  .fact:last-child { border: 0 !important; }
  section { padding: 58px 0; }
  .step { grid-template-columns: 1fr; gap: 8px; padding: 20px; }
  .safe, .limit-box { padding: 22px; }
  .faq { grid-template-columns: 1fr; }
  .final-box { padding: 25px; }
  .footer-links a { min-height: 44px; }
}