:root {
  --bg: #fbfaf7;
  --ink: #1c1b19;
  --soft: #6b6862;
  --line: #e4e1da;
  --link: #0b5a4f;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131514;
    --ink: #ecebe6;
    --soft: #9c9a93;
    --line: #2a2d2b;
    --link: #6fd0bf;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 0 16px;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}
main, footer { max-width: 640px; margin: 0 auto; }
main { padding-top: 72px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 20px; letter-spacing: -0.01em; }
h2 { font-size: 19px; margin: 36px 0 8px; }
p, ul { margin: 0 0 16px; }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }
a { color: var(--link); text-underline-offset: 3px; }
.date { color: var(--soft); font-size: 15px; }
footer {
  margin-top: 56px;
  padding: 20px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--soft);
  font-size: 15px;
}
footer p { margin: 0; }