:root {
  color-scheme: dark;
  --bg: #080b12;
  --surface: #111827;
  --surface-2: #182235;
  --border: #2a3852;
  --text: #f3f6fb;
  --muted: #a8b3c7;
  --blue: #77a7ff;
  --cyan: #36d9e8;
  --green: #56dda7;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(54, 217, 232, .10), transparent 30rem),
    radial-gradient(circle at 86% 18%, rgba(119, 167, 255, .12), transparent 34rem),
    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: var(--cyan); }
a:hover { color: #8ceaf2; }
.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(42, 56, 82, .8);
  background: rgba(8, 11, 18, .88);
  backdrop-filter: blur(18px);
}
.nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { color: var(--text); font-size: 1.35rem; font-weight: 850; letter-spacing: .08em; text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--muted); font-weight: 650; text-decoration: none; }
.nav-links a:hover { color: var(--text); }
.hero { padding: 112px 0 78px; }
.eyebrow, .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(24, 34, 53, .72);
  color: var(--cyan);
  padding: 8px 14px;
  font-size: .86rem;
  font-weight: 760;
  letter-spacing: .03em;
}
h1 { max-width: 900px; margin: 22px 0; font-size: clamp(2.65rem, 7vw, 5.4rem); line-height: 1.03; letter-spacing: -.055em; }
h2 { margin: 0 0 20px; font-size: clamp(1.8rem, 4vw, 2.75rem); line-height: 1.15; letter-spacing: -.03em; }
h3 { margin: 0 0 10px; font-size: 1.2rem; }
.lead { max-width: 790px; color: var(--muted); font-size: clamp(1.1rem, 2.2vw, 1.34rem); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0 20px;
  color: var(--text);
  background: var(--surface-2);
  font-weight: 750;
  text-decoration: none;
}
.button.primary { border-color: transparent; background: linear-gradient(135deg, #5388ff, #25cad9); color: #06111a; }
.section { padding: 68px 0; }
.section.subtle { border-block: 1px solid rgba(42, 56, 82, .66); background: rgba(17, 24, 39, .46); }
.section-intro { max-width: 720px; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 34px; }
.card { border: 1px solid var(--border); border-radius: 22px; background: rgba(17, 24, 39, .82); padding: 28px; }
.card p, .muted { color: var(--muted); }
.step { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; background: rgba(54, 217, 232, .12); color: var(--cyan); font-weight: 850; margin-bottom: 20px; }
.check-list { display: grid; gap: 14px; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 32px; color: var(--muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 900; }
.policy { max-width: 850px; padding: 80px 0 100px; }
.policy h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); }
.policy h2 { margin-top: 48px; font-size: 1.55rem; }
.policy p, .policy li { color: var(--muted); }
.policy strong { color: var(--text); }
.meta { color: var(--muted); font-size: .95rem; }
.notice { border-left: 4px solid var(--blue); border-radius: 0 16px 16px 0; background: rgba(119, 167, 255, .1); padding: 18px 20px; }
.callback-wrap { min-height: calc(100vh - 150px); display: grid; place-items: center; padding: 60px 0; }
.callback-card { width: min(100%, 720px); border: 1px solid var(--border); border-radius: 26px; background: rgba(17, 24, 39, .94); padding: 34px; }
.code-box { overflow-wrap: anywhere; border: 1px solid var(--border); border-radius: 14px; background: #080d16; color: var(--muted); padding: 16px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.hidden { display: none; }
.site-footer { border-top: 1px solid var(--border); padding: 36px 0; color: var(--muted); }
.footer-row { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--muted); }
@media (max-width: 760px) {
  .nav { align-items: flex-start; padding: 18px 0; }
  .nav-links { flex-wrap: wrap; justify-content: flex-end; gap: 10px 16px; }
  .hero { padding-top: 74px; }
  .grid { grid-template-columns: 1fr; }
  .footer-row { align-items: flex-start; flex-direction: column; }
}