:root {
  color-scheme: dark;
  --bg: #070b13;
  --surface: #0f1726;
  --surface-2: #141f31;
  --border: rgba(255, 255, 255, .12);
  --text: #f5f8fb;
  --muted: #a4b2c2;
  --green: #67e39a;
  --green-dark: #0d2b1d;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 88% 5%, rgba(103, 227, 154, .11), transparent 26rem),
    radial-gradient(circle at 10% 35%, rgba(69, 112, 255, .09), transparent 32rem),
    var(--bg);
  font-size: 16px;
  line-height: 1.65;
}

a { color: #83edab; }
a:hover { color: #b0ffce; }
img { max-width: 100%; }

.shell { width: min(1120px, calc(100% - 36px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--border); background: rgba(7, 11, 19, .86); backdrop-filter: blur(18px); }
.site-header .shell { display: flex; min-height: 70px; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { display: inline-flex; align-items: center; gap: 11px; color: var(--text); font-weight: 850; text-decoration: none; letter-spacing: -.025em; }
.wordmark img { width: 38px; height: 38px; border-radius: 10px; }
nav { display: flex; align-items: center; gap: 20px; }
nav a { color: #bcc8d5; font-size: 14px; font-weight: 650; text-decoration: none; }
nav a:hover { color: #fff; }

.hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; min-height: 650px; padding-block: 80px; }
.eyebrow { margin: 0 0 16px; color: var(--green); font-size: 13px; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; line-height: 1.1; letter-spacing: -.04em; }
h1 { max-width: 700px; font-size: clamp(44px, 7vw, 78px); }
h2 { margin-bottom: 18px; font-size: clamp(30px, 4vw, 46px); }
h3 { font-size: 21px; }
.lead { max-width: 690px; margin: 24px 0 0; color: #bdc9d6; font-size: clamp(18px, 2.1vw, 22px); line-height: 1.55; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 11px 18px; border: 1px solid var(--border); border-radius: 10px; color: #eaf2fa; background: rgba(255,255,255,.045); font-weight: 800; text-decoration: none; }
.button.primary { color: #07130d; border-color: var(--green); background: var(--green); }
.button:hover { color: #fff; border-color: rgba(255,255,255,.32); }
.button.primary:hover { color: #07130d; background: #83edab; }

.product-card { position: relative; padding: 28px; border: 1px solid var(--border); border-radius: 22px; background: linear-gradient(150deg, rgba(24,36,56,.95), rgba(10,15,25,.96)); box-shadow: 0 32px 90px rgba(0,0,0,.36); }
.product-card::before { content: ""; position: absolute; inset: 20px -20px -20px 20px; z-index: -1; border: 1px solid rgba(103,227,154,.15); border-radius: 22px; }
.product-card img { display: block; width: 86px; height: 86px; margin-bottom: 24px; border-radius: 20px; }
.product-card ul { margin: 22px 0 0; padding: 0; list-style: none; }
.product-card li { display: flex; gap: 9px; padding: 9px 0; color: #c8d3df; border-bottom: 1px solid rgba(255,255,255,.07); }
.product-card li::before { content: "✓"; color: var(--green); font-weight: 900; }
.price { display: flex; align-items: baseline; gap: 9px; margin-top: 25px; }
.price strong { font-size: 27px; letter-spacing: -.04em; }
.price span { color: var(--muted); font-size: 13px; }

.section { padding-block: 80px; }
.section-copy { max-width: 750px; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 34px; }
.card { padding: 25px; border: 1px solid var(--border); border-radius: 15px; background: rgba(15,23,38,.78); }
.card p { margin: 12px 0 0; color: var(--muted); }
.notice { margin: 30px 0; padding: 18px 20px; border: 1px solid rgba(103,227,154,.32); border-radius: 12px; color: #ccebd8; background: rgba(103,227,154,.07); }
.notice strong { color: #fff; }
.warning { border-color: rgba(255, 196, 99, .35); color: #ead7b5; background: rgba(255, 196, 99, .07); }

.legal { width: min(820px, calc(100% - 36px)); margin: 0 auto; padding: 72px 0 100px; }
.legal h1 { font-size: clamp(38px, 6vw, 62px); }
.legal h2 { margin-top: 52px; font-size: 28px; }
.legal h3 { margin-top: 30px; font-size: 20px; }
.legal p, .legal li { color: #bdc8d5; }
.legal ul, .legal ol { padding-left: 24px; }
.legal code { padding: 2px 6px; border-radius: 5px; background: #182235; }
.updated { margin-top: 15px; color: #8292a6 !important; font-size: 14px; }
.data-table { width: 100%; margin-top: 24px; border-collapse: collapse; font-size: 14px; }
.data-table th, .data-table td { padding: 13px 14px; border: 1px solid var(--border); text-align: left; vertical-align: top; }
.data-table th { color: #eef5fb; background: #141f31; }
.data-table td { color: #b9c5d2; }

.steps { counter-reset: steps; display: grid; gap: 16px; margin: 34px 0; padding: 0; list-style: none; }
.steps li { position: relative; min-height: 64px; padding: 16px 18px 16px 72px; border: 1px solid var(--border); border-radius: 12px; background: rgba(15,23,38,.76); }
.steps li::before { counter-increment: steps; content: counter(steps); position: absolute; left: 18px; top: 16px; display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; color: #07130d; background: var(--green); font-weight: 900; }

.site-footer { border-top: 1px solid var(--border); }
.site-footer .shell { display: flex; justify-content: space-between; gap: 24px; padding-block: 30px; color: #8292a6; font-size: 13px; }
.site-footer a { color: #a9b7c6; }

@media (max-width: 780px) {
  .site-header .shell { min-height: 62px; }
  nav a:not(:last-child) { display: none; }
  .hero { grid-template-columns: 1fr; gap: 42px; min-height: auto; padding-block: 60px; }
  .grid { grid-template-columns: 1fr; }
  .product-card::before { display: none; }
  .data-table { display: block; overflow-x: auto; }
  .site-footer .shell { display: block; }
}