:root { --navy:#0b2a4a; --ink:#0e1c2c; --teal:#1a8f8c; --mute:#5b6b7c; --paper:#f6f8fb; }
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 32px 22px 72px; }
.wordmark {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.04em;
  color: var(--navy);
  text-decoration: none;
}
.wordmark span { color: var(--teal); }
h1 { color: var(--navy); letter-spacing: -0.03em; font-size: 2rem; }
h2 { color: var(--navy); margin-top: 1.9em; font-size: 1.25rem; }
h3 { color: var(--navy); margin-top: 1.3em; font-size: 1.05rem; }
p, li { color: #243447; }
.meta { color: var(--mute); font-size: 14px; }
nav a { color: var(--teal); margin-right: 12px; }
footer { margin-top: 48px; font-size: 13px; color: var(--mute); }
.callout {
  background: #fff;
  border: 1px solid #d7e3ee;
  border-left: 4px solid var(--teal);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 22px 0;
}
.callout.warn {
  border-left-color: #b45309;
  background: #fffaf3;
}
table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0 20px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #e4eaf1; vertical-align: top; }
th { color: var(--navy); font-size: 13px; }
.toc { font-size: 14px; }
.toc a { display: inline-block; margin: 0 10px 8px 0; }