:root {
  --bg: #fbfaf7;
  --ink: #16181d;
  --muted: #5d6270;
  --line: #e4e1da;
  --accent: #f2b705;
  --link: #16181d;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121418;
    --ink: #eef0f3;
    --muted: #a4a9b4;
    --line: #2a2e36;
    --link: #eef0f3;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

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

.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  padding: 28px 0 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent);
  flex: none;
}

main { padding: 48px 0 64px; }

h1 {
  font-size: 38px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

h2 {
  font-size: 21px;
  letter-spacing: -0.01em;
  margin: 40px 0 8px;
}

h3 {
  font-size: 17px;
  margin: 24px 0 4px;
}

p, ul { margin: 0 0 14px; }

ul { padding-left: 22px; }

li { margin: 4px 0; }

a {
  color: var(--link);
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.lead {
  font-size: 21px;
  color: var(--muted);
  margin-bottom: 28px;
}

.muted { color: var(--muted); }

.updated {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 32px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 20px 0 40px;
  font-size: 15px;
  color: var(--muted);
}

footer a { color: var(--muted); margin-right: 16px; }

@media (max-width: 480px) {
  h1 { font-size: 31px; }
  .lead { font-size: 19px; }
  main { padding-top: 36px; }
}