:root {
  --ink: #131316;
  --paper: #f7f5f0;
  --muted: #6b6b6f;
  --rule: #e5e1d8;
  --serif: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 72px 24px 96px;
}

header { margin-bottom: 56px; }

.wordmark {
  font-family: var(--serif);
  font-size: 56px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
}

.tagline {
  color: var(--muted);
  font-style: italic;
  margin: 8px 0 0;
  font-size: 17px;
}

.hero p {
  font-size: 19px;
  margin: 0 0 40px;
}

.features ul {
  list-style: none;
  padding: 0;
  margin: 0 0 48px;
  border-top: 1px solid var(--rule);
}
.features li {
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 16px;
}

.links {
  display: flex;
  gap: 24px;
  margin-bottom: 48px;
}
.links a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 1px;
  font-size: 15px;
}
.links a:hover { color: var(--muted); border-color: var(--muted); }

footer {
  color: var(--muted);
  font-size: 13px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}

article {
  font-size: 16px;
}

article h1 {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0 0 8px;
}

article .updated {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 32px;
}

article h2 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  margin: 36px 0 12px;
}

article p, article li {
  font-size: 16px;
  line-height: 1.65;
}

article a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.backlink {
  display: inline-block;
  margin-bottom: 32px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}
.backlink:hover { color: var(--ink); }