:root {
  color-scheme: light dark;
  --bg: #f6f3ef;
  --surface: rgba(255, 253, 250, 0.88);
  --ink: #1b1c22;
  --muted: #6a6d78;
  --accent: #c2472f;
  --line: rgba(194, 71, 47, 0.14);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  background: radial-gradient(circle at 80% 12%, rgba(255, 150, 90, 0.22), transparent 32rem), var(--bg);
  color: var(--ink);
  line-height: 1.6;
}
main { width: min(760px, calc(100% - 40px)); margin: 0 auto; padding: 80px 0; }
.mark {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  color: white;
  background: linear-gradient(145deg, #ff6b57, #ffb648);
  font-size: 26px;
}
h1 { margin: 28px 0 10px; font-size: clamp(40px, 8vw, 68px); line-height: 1.02; letter-spacing: -0.045em; }
h2 { margin-top: 2.2rem; letter-spacing: -0.02em; }
p, li { color: var(--muted); }
a { color: var(--accent); }
.card {
  margin-top: 36px;
  padding: clamp(24px, 5vw, 42px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: 0 24px 70px rgba(60, 40, 25, 0.08);
  backdrop-filter: blur(24px);
}
.links { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; }
.small { font-size: 14px; }
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1016;
    --surface: rgba(30, 32, 40, 0.88);
    --ink: #f5f5f7;
    --muted: #a9adba;
    --accent: #ffa26b;
    --line: rgba(255, 162, 107, 0.18);
  }
}