:root {
  color-scheme: dark;
  --bg: #0b0f17;
  --panel: #111827;
  --ink: #edf3fb;
  --muted: #a9b7ca;
  --line: #253044;
  --accent: #5cf2d6;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: #0b0f17;
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: inherit; }
.shell { width: min(1040px, calc(100% - 40px)); margin: 0 auto; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 800; letter-spacing: .02em; text-decoration: none; }
.nav { display: flex; gap: 14px; flex-wrap: wrap; font-size: 14px; color: var(--muted); }
.nav a { text-decoration: none; }
.nav a:hover { color: var(--ink); }
.hero { padding: 70px 0 36px; }
.eyebrow { margin: 0 0 12px; color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 0; max-width: 820px; font-size: clamp(34px, 5vw, 64px); line-height: 1.02; letter-spacing: 0; }
.lead { max-width: 760px; margin: 22px 0 0; color: var(--muted); font-size: clamp(17px, 2vw, 21px); }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 26px 0 54px; }
.card {
  display: block;
  min-height: 100%;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
}
.card:hover { border-color: var(--accent); }
.card h2, .card h3 { margin: 0 0 10px; font-size: 22px; line-height: 1.2; }
.card p { margin: 0; color: var(--muted); }
.section { padding: 34px 0; border-top: 1px solid var(--line); }
.section h2 { margin: 0 0 16px; font-size: 28px; }
.section p, .section li { color: var(--muted); }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 20px 0 0; }
.fact { padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: #0f1623; }
.fact strong { display: block; color: var(--ink); font-size: 20px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.btn { display: inline-flex; padding: 10px 14px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); text-decoration: none; }
.btn.primary { background: var(--accent); color: #0b0f17; border-color: var(--accent); font-weight: 800; }
.footer { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 30px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--ink); }
@media (max-width: 760px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  .grid, .facts { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
}