:root {
  color-scheme: dark;
  --ink: #080b07;
  --panel: #11170e;
  --cream: #f5f1e5;
  --muted: #a8af9e;
  --citrus: #d9fa54;
  --purple: #a56cff;
  --line: #39431f;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(circle at 88% 8%, rgba(165, 108, 255, 0.18), transparent 28%), var(--ink);
  color: var(--cream);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}
a { color: var(--citrus); }
header, main, footer { width: min(760px, calc(100% - 40px)); margin: 0 auto; }
header { padding: 52px 0 22px; }
.brand { display: flex; align-items: center; gap: 13px; color: var(--cream); text-decoration: none; font-weight: 900; font-size: 22px; }
.mark { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: var(--citrus); color: var(--ink); font-weight: 1000; box-shadow: 5px 5px 0 var(--purple); }
main { padding: 34px; border: 1px solid var(--line); border-radius: 28px; background: rgba(17, 23, 14, 0.94); }
.eyebrow { margin: 0 0 12px; color: var(--citrus); font-size: 12px; font-weight: 900; letter-spacing: 0.14em; text-transform: uppercase; }
h1 { margin: 0 0 18px; font-size: clamp(38px, 8vw, 62px); line-height: 0.98; letter-spacing: -0.045em; }
h2 { margin: 30px 0 8px; font-size: 20px; }
p, li { color: var(--muted); }
ul { padding-left: 22px; }
.callout { margin-top: 26px; padding: 20px; border-radius: 18px; background: #1b2315; border: 1px solid var(--line); }
footer { padding: 26px 0 48px; color: var(--muted); font-size: 13px; }
nav { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 16px; }
@media (max-width: 560px) { main { padding: 24px; border-radius: 22px; } }