:root {
  --ink: #1c1915;
  --paper: #f6f1e8;
  --muted: #5e574d;
  --rule: #d4cbb8;
  --accent: #7a2e1f;
  --banner: #efe4c8;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font: 18px/1.5 "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
}

header, main, footer {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem;
}

header {
  border-bottom: 1px solid var(--rule);
}

.eyebrow {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0 0 0.25rem;
}

.sub {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

nav a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

nav a:hover, nav a.is-current {
  border-bottom-color: var(--accent);
}

main h1 { font-size: 2rem; line-height: 1.2; }
main h2 { font-size: 1.35rem; margin-top: 2rem; }
main h3 { font-size: 1.1rem; }

a { color: var(--accent); }

code, pre {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88em;
}

pre {
  background: #efeae1;
  padding: 0.9rem 1rem;
  overflow: auto;
  border: 1px solid var(--rule);
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.95rem;
  margin: 1rem 0;
}

th, td {
  border: 1px solid var(--rule);
  padding: 0.4rem 0.55rem;
  text-align: left;
  vertical-align: top;
}

th { background: #efeae1; }

.future-banner {
  background: var(--banner);
  border: 1px solid var(--rule);
  padding: 0.6rem 0.8rem;
  font-size: 0.95rem;
}

footer {
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}

footer code { font-size: 0.85em; }