:root {
  --bg: #fbfaf8;
  --surface: #ffffff;
  --ink: #1c1b19;
  --muted: #5e5b55;
  --rule: #e3e0da;
  --accent: #2f5d50;
  --accent-soft: #eef3f1;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14150f;
    --surface: #1c1e17;
    --ink: #f2f0ea;
    --muted: #a8a49a;
    --rule: #33362b;
    --accent: #8fc4b0;
    --accent-soft: #1e2a25;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 44rem; margin: 0 auto; padding: 0 1.25rem; }
header.site {
  border-bottom: 1px solid var(--rule);
  padding: 1.25rem 0;
  background: var(--surface);
}
header.site .wrap { display: flex; align-items: baseline; gap: 1.25rem; flex-wrap: wrap; }
.brand { font-weight: 700; letter-spacing: -0.02em; font-size: 1.05rem; text-decoration: none; color: var(--ink); }
nav a { color: var(--muted); text-decoration: none; margin-right: 1rem; font-size: 0.92rem; }
nav a:hover { color: var(--accent); text-decoration: underline; }
main { padding: 3rem 0 4rem; }
h1 { font-size: 1.95rem; line-height: 1.2; letter-spacing: -0.025em; margin: 0 0 0.6rem; }
h2 { font-size: 1.2rem; letter-spacing: -0.01em; margin: 2.2rem 0 0.6rem; }
h3 { font-size: 1rem; margin: 1.5rem 0 0.4rem; }
p, li { color: var(--ink); }
.lede { font-size: 1.1rem; color: var(--muted); margin-top: 0; }
.meta { color: var(--muted); font-size: 0.9rem; }
a { color: var(--accent); }
.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1.4rem 1.5rem;
  margin: 1.5rem 0;
}
.disclosure {
  background: var(--accent-soft);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1.2rem 1.4rem;
  margin: 1.5rem 0;
}
.disclosure ul { margin: 0.5rem 0 0; padding-left: 1.1rem; }
.disclosure li { margin: 0.35rem 0; }
.cta-number {
  font-size: 1.35rem; font-weight: 700; letter-spacing: -0.01em;
  display: block; margin: 0.5rem 0;
}
dl dt { font-weight: 600; margin-top: 1rem; }
dl dd { margin: 0.2rem 0 0; color: var(--muted); }
footer.site {
  border-top: 1px solid var(--rule);
  padding: 1.75rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.88rem;
  background: var(--surface);
}
footer.site a { color: var(--muted); }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: 0.94rem; }
th, td { text-align: left; padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }