:root {
  --bg: #ffffff;
  --text: #1f2328;
  --muted: #5b626b;
  --line: #e3e5e8;
  --brand: #2b2f36;   /* NGarcia graphite */
  --accent: #b5552f;  /* NGarcia terracotta, darkened for AA contrast on white */
  --card: #f6f7f8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --text: #e8eaed;
    --muted: #a3a9b1;
    --line: #2c3036;
    --brand: #e8eaed;
    --accent: #e08a66;
    --card: #1e2125;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main, header.site, footer.site { max-width: 720px; margin: 0 auto; padding: 0 16px; }
header.site { padding-top: 28px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
header.site a.home { color: var(--brand); font-weight: 800; letter-spacing: .04em; text-decoration: none; text-transform: uppercase; font-size: 14px; }
header.site nav { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 15px; }
h1 { font-size: 30px; line-height: 1.2; margin: 28px 0 4px; color: var(--brand); }
h2 { font-size: 21px; margin: 32px 0 8px; color: var(--brand); }
h3 { font-size: 17px; margin: 20px 0 6px; }
p, li { color: var(--text); }
.meta { color: var(--muted); font-size: 15px; margin: 0 0 20px; }
a { color: var(--accent); text-underline-offset: 2px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
.lang { display: inline-block; margin: 8px 0 0; font-size: 15px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; margin: 16px 0; }
.card p:first-child { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }
ol, ul { padding-left: 22px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 44px 0 8px; }
footer.site { color: var(--muted); font-size: 14px; padding-top: 24px; padding-bottom: 40px; }