:root {
  --bg: #fbfaf7;
  --text: #1f1f1d;
  --muted: #6b6a65;
  --rule: #e4e1da;
  --link: #2c4a3e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --text: #e8e6e1;
    --muted: #9b9992;
    --rule: #2e2d2a;
    --link: #9cc3b2;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Georgia, "Iowan Old Style", "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.6;
}
.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
header {
  padding: 32px 0 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 15px;
  letter-spacing: 0.02em;
}
header a { color: var(--text); text-decoration: none; font-weight: 600; }
main { flex: 1; padding: 56px 0 48px; }
h1 { font-size: 34px; line-height: 1.2; font-weight: normal; margin: 0 0 24px; }
h2 {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); margin: 48px 0 8px; padding-top: 24px; border-top: 1px solid var(--rule);
}
h3 { font-size: 18px; margin: 28px 0 4px; }
p, ul { margin: 0 0 16px; }
ul { padding-left: 22px; }
a { color: var(--link); text-underline-offset: 3px; }
.lede { font-size: 21px; }
.small { font-size: 15px; color: var(--muted); }
.updated { font-size: 15px; color: var(--muted); margin-top: -12px; }
.button {
  display: inline-block; margin: 8px 0 32px; padding: 10px 18px;
  border: 1px solid var(--link); border-radius: 3px; text-decoration: none;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 15px;
}
.button:hover { background: var(--link); color: var(--bg); }
footer {
  border-top: 1px solid var(--rule);
  padding: 20px 0 32px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14px; color: var(--muted);
}
footer a { color: var(--muted); }
footer span { margin: 0 6px; }
@media (max-width: 480px) {
  body { font-size: 17px; }
  h1 { font-size: 28px; }
  .lede { font-size: 19px; }
  main { padding-top: 40px; }
}