:root {
  --ink: #23201c;
  --muted: #6d665c;
  --line: #e0d9cd;
  --bg: #faf7f1;
  --accent: #8a5a2b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 Georgia, "Iowan Old Style", "Times New Roman", serif;
}
.wrap { max-width: 46rem; margin: 0 auto; padding: 0 1.5rem; }

header {
  border-bottom: 1px solid var(--line);
  padding: 3.5rem 0 2.5rem;
  background: #fff;
}
h1 {
  margin: 0 0 .6rem;
  font-size: 2.1rem;
  font-weight: normal;
  letter-spacing: -.01em;
}
h1 span { color: var(--muted); font-style: italic; font-size: 1.5rem; }
.tagline { margin: 0; color: var(--muted); font-size: 1.02rem; }

main { padding: 2.5rem 0 1rem; }
section { margin-bottom: 2.4rem; }
h2 {
  font-size: 1.18rem;
  font-weight: normal;
  margin: 0 0 .7rem;
  padding-bottom: .35rem;
  border-bottom: 1px solid var(--line);
  color: var(--accent);
}
h3 { font-size: 1rem; margin: 0 0 .35rem; }
p { margin: 0 0 .9rem; }
ul { margin: 0 0 .9rem; padding-left: 1.2rem; }
li { margin-bottom: .35rem; }
strong { font-weight: bold; }

.cols { display: flex; gap: 2rem; flex-wrap: wrap; }
.cols > div { flex: 1 1 15rem; }

.sq {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: .92em;
  background: #efe9dd;
  padding: .05em .35em;
  border-radius: 3px;
}

footer {
  border-top: 1px solid var(--line);
  margin-top: 2rem;
  padding: 1.6rem 0 3rem;
  color: var(--muted);
  font-size: .92rem;
}
footer p { margin: 0; }

@media (max-width: 34rem) {
  body { font-size: 16px; }
  header { padding: 2.5rem 0 1.8rem; }
  h1 { font-size: 1.7rem; }
}