:root {
  --bg: #fbfaf7;
  --text: #1d1c1a;
  --muted: #6b6862;
  --accent: #c2410c;
  --line: #e6e2da;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161514;
    --text: #ecebe8;
    --muted: #a29f98;
    --accent: #fb923c;
    --line: #2e2c29;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 640px; margin: 0 auto; padding: 72px 20px 40px; }
h1 { font-size: 2.4rem; line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.02em; }
h2 { font-size: 1.15rem; margin: 36px 0 8px; }
p, li { margin: 0 0 12px; }
ul { padding-left: 22px; }
a { color: var(--accent); }
.lead { font-size: 1.25rem; color: var(--muted); margin-bottom: 28px; }
.button {
  display: inline-block; padding: 12px 20px; border-radius: 8px;
  background: var(--accent); color: var(--bg); text-decoration: none; font-weight: 600;
}
section { margin-top: 56px; padding-top: 8px; border-top: 1px solid var(--line); }
.back { margin-bottom: 32px; }
.date { color: var(--muted); }
footer { max-width: 640px; margin: 0 auto; padding: 24px 20px 48px; border-top: 1px solid var(--line); font-size: 0.95rem; }