:root { --ink: #2b2a27; --paper: #faf7f1; --line: #ddd6c8; --accent: #1f6f78; }
* { box-sizing: border-box; }
body { margin: 0; font: 17px/1.6 system-ui, sans-serif; color: var(--ink); background: var(--paper); }
header, footer { display: flex; justify-content: space-between; gap: 16px; padding: 16px 24px; border-bottom: 1px solid var(--line); }
footer { border-top: 1px solid var(--line); border-bottom: 0; }
main { max-width: 760px; margin: 0 auto; padding: 32px 24px; }
a { color: var(--accent); }
.brand { font-weight: 700; text-decoration: none; color: var(--ink); }
.sample { padding: 8px 12px; border: 1px solid var(--line); background: #fff; font-size: 14px; }