:root {
  color-scheme: dark;
  --canvas: #0d0f1c;
  --surface: #171b32;
  --text: #f9f9fb;
  --muted: #b9c0d4;
  --amber: #f4a83a;
  --violet: #9e77ed;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 75% 10%, rgba(158, 119, 237, .18), transparent 34rem),
    var(--canvas);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
main { width: min(760px, calc(100% - 40px)); margin: 0 auto; padding: 72px 0; }
.mark {
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  border: 1px solid rgba(244, 168, 58, .35);
  border-radius: 20px;
  background: rgba(244, 168, 58, .12);
  color: var(--amber);
  font-size: 28px;
}
.eyebrow { margin: 28px 0 6px; color: var(--amber); font-size: 12px; font-weight: 800; letter-spacing: .2em; }
h1 { margin: 0; font-size: clamp(38px, 8vw, 64px); line-height: 1; letter-spacing: -.04em; }
h2 { margin-top: 36px; font-size: 22px; }
p, li { color: var(--muted); }
a { color: #d6bbfb; }
.card { margin: 32px 0; padding: 24px; border: 1px solid rgba(214, 187, 251, .15); border-radius: 24px; background: rgba(23, 27, 50, .88); }
nav { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
nav a { min-height: 48px; padding: 11px 18px; border: 1px solid rgba(214, 187, 251, .18); border-radius: 16px; text-decoration: none; }
footer { margin-top: 56px; color: #858da7; font-size: 13px; }