:root {
  --ink: #141414;
  --muted: #5f5f5c;
  --paper: #ffffff;
  --panel: #f4f4f2;
  --hairline: #e3e3df;
  --signal: #ff5a1f;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f2f2ef;
    --muted: #a3a39e;
    --paper: #121212;
    --panel: #1c1c1b;
    --hairline: #2c2c2a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 48px 20px 96px; }
a { color: inherit; text-decoration-color: var(--signal); text-underline-offset: 3px; }
.eyebrow { margin: 0 0 32px; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; font-weight: 600; }
.eyebrow a { text-decoration: none; }
h1 { font-size: 34px; line-height: 1.15; letter-spacing: -.02em; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 48px 0 12px; padding-top: 20px; border-top: 1px solid var(--hairline); }
h3 { font-size: 16px; margin: 28px 0 6px; }
.meta { color: var(--muted); margin: 0 0 28px; font-size: 14px; }
.summary { background: var(--panel); border-left: 3px solid var(--signal); padding: 16px 18px; border-radius: 4px; }
nav ol { padding-left: 20px; color: var(--muted); }
ul { padding-left: 20px; }
li { margin: 6px 0; }
p, li { color: var(--ink); }