:root {
  --bg: #07070a;
  --surface: #111117;
  --surface-2: #171720;
  --text: #f7f7f4;
  --muted: #aaaab4;
  --line: rgba(255, 255, 255, .13);
  --blue: #55b9ee;
  --lime: #c9ff44;
}

* { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 80% 10%, rgba(85, 185, 238, .17), transparent 34rem),
    radial-gradient(circle at 5% 55%, rgba(108, 121, 255, .13), transparent 32rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}
a { color: inherit; }
.shell { width: min(1080px, calc(100% - 36px)); margin: 0 auto; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 750; letter-spacing: .08em; text-decoration: none; }
.nav { display: flex; gap: 22px; color: var(--muted); font-size: 14px; }
.nav a { text-decoration: none; }
.nav a:hover { color: var(--text); }
.hero { padding: clamp(70px, 11vw, 132px) 0 72px; max-width: 900px; }
.kicker { color: var(--blue); font-size: 12px; font-weight: 750; letter-spacing: .15em; text-transform: uppercase; }
h1 { margin: 20px 0 24px; font-size: clamp(45px, 8vw, 88px); line-height: .98; letter-spacing: -.055em; }
.lead { max-width: 720px; margin: 0; color: var(--muted); font-size: clamp(18px, 2.2vw, 23px); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 14px;
  background: var(--blue);
  color: #071018;
  font-weight: 800;
  text-decoration: none;
}
.button.secondary { border: 1px solid var(--line); background: rgba(255, 255, 255, .05); color: var(--text); }
.proof { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 78px; }
.proof div, .card, details {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .025));
}
.proof div { padding: 23px; }
.proof b { display: block; margin-bottom: 6px; font-size: 18px; }
.proof span, .card p, details p { color: var(--muted); }
.section { padding: 18px 0 68px; }
h2 { margin: 0 0 24px; font-size: clamp(30px, 5vw, 48px); letter-spacing: -.035em; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.card { padding: 26px; }
.step { color: var(--lime); font-weight: 800; }
.card h3 { margin: 18px 0 8px; font-size: 21px; }
.card p { margin: 0; }
.note { max-width: 780px; padding-left: 18px; border-left: 3px solid var(--lime); color: var(--muted); }
.faq { display: grid; gap: 10px; }
details { padding: 19px 22px; }
summary { cursor: pointer; font-weight: 750; }
details p { margin: 12px 0 2px; }
.closing { margin: 18px 0 80px; padding: 34px; border-radius: 24px; background: var(--blue); color: #071018; }
.closing h2 { max-width: 760px; margin-bottom: 12px; }
.closing p { max-width: 700px; margin: 0 0 23px; }
.closing .button { background: #071018; color: white; }
footer { display: flex; justify-content: space-between; gap: 24px; padding: 26px 0 36px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.legal { max-width: 780px; }
.legal h2 { margin-top: 50px; font-size: 32px; }
.legal p, .legal li { color: var(--muted); }

@media (max-width: 720px) {
  .nav { gap: 12px; font-size: 12px; }
  .proof, .grid { grid-template-columns: 1fr; }
  .hero { padding-top: 62px; }
  footer { flex-direction: column; }
}
