:root {
  color-scheme: light dark;
  --bg: #0b1020;
  --card: #141b2d;
  --text: #f4f7ff;
  --muted: #aab4ca;
  --accent: #9dff3f;
  --line: #29334a;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
main { width: min(760px, calc(100% - 32px)); margin: 0 auto; padding: 56px 0 80px; }
header { margin-bottom: 36px; }
h1 { margin: 0 0 8px; font-size: clamp(32px, 7vw, 52px); line-height: 1.08; }
h2 { margin: 36px 0 8px; font-size: 21px; }
p, li { color: var(--muted); }
a { color: var(--accent); text-underline-offset: 3px; }
nav { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 24px; }
.card { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--card); }
.eyebrow { color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.meta { color: var(--muted); font-size: 14px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }
footer { margin-top: 48px; font-size: 14px; color: var(--muted); }

@media (prefers-color-scheme: light) {
  :root { --bg: #f6f8fc; --card: #fff; --text: #11182a; --muted: #4f5b73; --line: #dce2ee; --accent: #397900; }
}