:root {
  color-scheme: dark;
  --bg: #10110f;
  --surface: #1a1c18;
  --line: #34372f;
  --text: #f4f0e6;
  --muted: #b4b3a9;
  --accent: #f0b84b;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.shell { width: min(100% - 32px, 860px); margin: 0 auto; padding: 44px 0 64px; }
header { border-bottom: 1px solid var(--line); padding-bottom: 28px; margin-bottom: 32px; }
.brand { color: var(--text); font-size: 1.15rem; font-weight: 800; letter-spacing: .12em; text-decoration: none; }
.eyebrow { color: var(--accent); font: 700 .75rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; }
h1 { font-size: clamp(2rem, 6vw, 3.2rem); line-height: 1.1; margin: 14px 0 10px; letter-spacing: -.02em; }
h2 { color: var(--accent); font-size: 1.25rem; line-height: 1.25; margin: 36px 0 10px; }
h3 { font-size: 1rem; margin: 24px 0 6px; }
p, ul { max-width: 72ch; }
.meta, .note { color: var(--muted); }
.note { background: var(--surface); border-left: 3px solid var(--accent); padding: 12px 16px; }
a { color: var(--accent); }
nav { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 20px; }
nav a { font-size: .9rem; }
footer { border-top: 1px solid var(--line); color: var(--muted); margin-top: 44px; padding-top: 20px; font-size: .9rem; }
@media (max-width: 520px) { .shell { width: min(100% - 24px, 860px); padding-top: 28px; } }