:root {
  --bg: #fbfaf8;
  --fg: #1c1b1a;
  --muted: #6b6762;
  --rule: #e6e2dc;
  --accent: #6d4bd8;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #141312; --fg: #ece9e4; --muted: #9a958e; --rule: #2a2826; --accent: #a68cff; }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}
main, header, footer { max-width: 720px; margin: 0 auto; padding: 0 20px; }
header { display: flex; justify-content: space-between; align-items: baseline; padding-top: 28px; }
header a.brand { font-weight: 700; font-size: 20px; letter-spacing: -0.02em; color: var(--fg); text-decoration: none; }
nav a { margin-left: 18px; color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--fg); }
h1 { font-size: 40px; line-height: 1.15; letter-spacing: -0.03em; margin: 64px 0 16px; }
h2 { font-size: 22px; margin: 40px 0 8px; }
p.lede { font-size: 20px; color: var(--muted); }
a { color: var(--accent); }
.badge { display: inline-block; padding: 2px 10px; border: 1px solid var(--rule); border-radius: 999px; font-size: 13px; color: var(--muted); }
ul { padding-left: 20px; }
footer { margin-top: 80px; padding-bottom: 40px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 14px; }
footer p { margin: 16px 0 0; }
footer a { color: var(--muted); }