:root {
  --bg: #faf8f5;
  --text: #1d1d1f;
  --muted: #5f5f66;
  --accent: #c2410c;
  --rule: #e4e0da;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161618;
    --text: #f2f2f4;
    --muted: #a1a1aa;
    --accent: #fb923c;
    --rule: #2e2e33;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 20px;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 56px 0 72px;
}

header.site {
  max-width: 680px;
  margin: 0 auto;
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

header.site a.name {
  font-weight: 700;
  font-size: 20px;
  color: var(--text);
  text-decoration: none;
}

nav a { margin-left: 18px; }
nav a:first-child { margin-left: 0; }

a { color: var(--accent); }

h1 { font-size: 34px; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 21px; margin: 36px 0 8px; }
p, ul { margin: 0 0 14px; }
li { margin-bottom: 6px; }

.lede { color: var(--muted); font-size: 19px; margin-bottom: 28px; }
.updated { color: var(--muted); font-size: 15px; margin-bottom: 28px; }

footer {
  max-width: 680px;
  margin: 0 auto;
  padding: 20px 0 40px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 14px;
}