:root {
  --bg: #faf9f6;
  --fg: #1b1a17;
  --muted: #6b6558;
  --accent: #7a4a32;
  --rule: #e4ded2;
  --card: #ffffff;
  --font-display: "Fraunces", ui-serif, Georgia, serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171613;
    --fg: #ece7db;
    --muted: #9a917d;
    --accent: #c98a5e;
    --rule: #322e26;
    --card: #201f1a;
  }
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
}
body {
  font-family: "Source Serif 4", ui-serif, Georgia, "Times New Roman", serif;
  line-height: 1.65;
  font-size: 1.05rem;
}
main {
  max-width: 640px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 6rem;
}
header.hero {
  margin-bottom: 3rem;
}
.back-link {
  display: inline-block;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 1.5rem;
}
.back-link:hover { color: var(--accent); }
.eyebrow {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
}
h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.25;
  margin: 0 0 0.5rem;
  font-weight: 600;
  text-wrap: balance;
}
.tagline {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0;
}
p { margin: 0 0 1.2rem; }
h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 2.4rem 0 0.9rem;
  font-weight: 600;
}
ul {
  margin: 0 0 1.2rem;
  padding-left: 1.3rem;
}
li { margin-bottom: 0.4rem; }
strong { color: var(--fg); }
.callout {
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 1.1rem 1.3rem;
  margin: 1.4rem 0;
  font-size: 0.98rem;
}
.callout p:last-child { margin-bottom: 0; }
footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.82rem;
  color: var(--muted);
}
a { color: var(--accent); }