:root {
  --bg: #f7f5f2;
  --surface: #ffffff;
  --ink: #262138;
  --ink-soft: #57506e;
  --ink-faint: #8b84a1;
  --border: #e4e0da;
  --accent: #6f62e0;
  --accent-soft: #efecfd;
  --accent-ink: #4a3fc0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16131f;
    --surface: #1e1a2c;
    --ink: #ece9f5;
    --ink-soft: #b7b0cd;
    --ink-faint: #837c9c;
    --border: #322c46;
    --accent: #9184f2;
    --accent-soft: #2a2445;
    --accent-ink: #c3bafb;
  }
}
* { box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Source Sans 3', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  margin: 0;
  padding-inline: 20px;
  padding-block: 40px 80px;
}
.page { max-width: 680px; margin: 0 auto; }
.masthead { display: flex; align-items: center; gap: 14px; margin-bottom: 32px; }
.masthead a { display: flex; align-items: center; gap: 14px; text-decoration: none; color: inherit; }
.masthead img { width: 44px; height: 44px; border-radius: 12px; }
.masthead strong { font-family: 'Fraunces', Georgia, serif; font-size: 1.1rem; display: block; line-height: 1.2; }
.masthead span { font-size: 0.82rem; color: var(--ink-faint); }
nav.links { margin-left: auto; display: flex; gap: 16px; font-size: 0.9rem; }
nav.links a { color: var(--ink-soft); text-decoration: none; }
nav.links a:hover { color: var(--accent-ink); }
h1 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 14px;
  text-wrap: balance;
}
h2 { font-family: 'Fraunces', Georgia, serif; font-weight: 600; font-size: 1.3rem; margin: 40px 0 10px; letter-spacing: -0.01em; }
p, li { color: var(--ink-soft); max-width: 62ch; }
p { margin: 0 0 14px; }
ul { padding-left: 1.2em; margin: 0 0 14px; }
li { margin-bottom: 8px; }
li::marker { color: var(--accent); }
strong.term { color: var(--ink); font-weight: 600; }
a { color: var(--accent-ink); }
.meta { font-family: 'IBM Plex Mono', ui-monospace, monospace; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-faint); margin-bottom: 18px; }
.lede { font-size: 1.08rem; }
.callout { background: var(--accent-soft); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: 10px; padding: 16px 18px; margin: 0 0 18px; }
.callout p { color: var(--ink); margin: 0; font-size: 0.95rem; }
.callout p + p { margin-top: 8px; }
.table-wrap { overflow-x: auto; margin-bottom: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-family: 'IBM Plex Mono', ui-monospace, monospace; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-faint); font-weight: 500; }
td { color: var(--ink-soft); }
tr:last-child td { border-bottom: none; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px 22px; margin-bottom: 16px; }
.card h3 { font-family: 'Fraunces', Georgia, serif; margin: 0 0 6px; font-size: 1.05rem; }
.card p { margin: 0; }
footer { border-top: 1px solid var(--border); margin-top: 56px; padding-top: 22px; font-size: 0.85rem; color: var(--ink-faint); display: flex; flex-wrap: wrap; gap: 8px 20px; }
footer a { color: var(--ink-faint); }
@media (max-width: 520px) { nav.links { display: none; } }