:root {
  color-scheme: light dark;
  --bg: #f7f4f1;
  --card: #fffdfb;
  --ink: #26231f;
  --muted: #6c655e;
  --accent: #5b57d9;
  --line: #ded8d1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  width: min(760px, calc(100% - 32px));
  margin: 48px auto;
  padding: 36px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
}

h1, h2 { line-height: 1.2; }
h1 { margin-top: 0; font-size: clamp(2rem, 8vw, 3.4rem); }
h2 { margin-top: 2rem; font-size: 1.3rem; }
a { color: var(--accent); }
.eyebrow, .updated { color: var(--muted); }
.eyebrow { font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
nav { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 32px; }

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #191816;
    --card: #23211e;
    --ink: #f5f1ec;
    --muted: #b9b0a7;
    --accent: #aaa7ff;
    --line: #3d3934;
  }
}

@media (max-width: 560px) {
  main { margin: 16px auto; padding: 24px; border-radius: 18px; }
}