:root {
  --ink: #1a1a1a;
  --muted: #595959;
  --rule: #d4d4d4;
  --accent: #b03a2e;
  --bg: #ffffff;
}
body {
  font-family: Charter, "Bitstream Charter", Georgia, serif;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 16px 4rem;
}
h1, h2, h3 { line-height: 1.2; font-weight: 600; }
h2 { margin-top: 2.5rem; border-bottom: 1px solid var(--rule); padding-bottom: 0.2rem; }
a { color: var(--accent); }
table { border-collapse: collapse; width: 100%; font-size: 0.92rem; font-variant-numeric: tabular-nums; }
th, td { padding: 0.25rem 0.5rem; border-bottom: 1px solid var(--rule); text-align: left; vertical-align: top; }
th { font-weight: 600; }
td.num, th.num { text-align: right; }
img { max-width: 100%; height: auto; }
.table-wrap { overflow-x: auto; }
.callout-note, .note { border-left: 3px solid var(--accent); padding: 0.4rem 0.9rem; background: #faf7f6; margin: 1rem 0; }
.small { font-size: 0.9rem; color: var(--muted); }
figcaption, .figure-caption { font-size: 0.9rem; color: var(--muted); }
nav.navbar { border-bottom: 1px solid var(--rule); margin-bottom: 1rem; }
nav.navbar a { margin-right: 1rem; }