:root { --ink: #1c1f1d; --muted: #5b625d; --line: #d9ddd9; --accent: #1f6b4f; --bg: #fbfcfa; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif; }
header, main, footer { max-width: 720px; margin: 0 auto; padding: 0 20px; }
header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; padding-top: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.brand { margin: 0; font-weight: 600; }
nav a { margin-left: 16px; color: var(--muted); text-decoration: none; }
nav a:first-child { margin-left: 0; }
nav a:hover { color: var(--accent); }
main { padding-top: 32px; padding-bottom: 48px; }
h1 { font-size: 30px; line-height: 1.25; margin: 0 0 16px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
a { color: var(--accent); }
.meta { color: var(--muted); font-size: 15px; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; }
dt { color: var(--muted); }
dd { margin: 0; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding-top: 16px; padding-bottom: 32px; }
@media (max-width: 520px) { dl { grid-template-columns: 1fr; } dd { margin-bottom: 8px; } nav a { margin-left: 12px; } }