:root {
  --teal: #0E7C7B;
  --teal-dark: #0A5F5E;
  --coral: #FF6B4A;
  --ink: #12211F;
  --muted: #5b6b68;
  --paper: #ffffff;
  --page: #F3F8F7;
  --line: #dfe9e7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8f0ee;
    --muted: #9fb2ae;
    --paper: #101d1b;
    --page: #0B1614;
    --line: #21332f;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}
header {
  background: linear-gradient(135deg, #11908E, var(--teal-dark));
  color: #fff;
  padding: 40px 24px 44px;
}
header .wrap { max-width: 760px; margin: 0 auto; }
header .brand { font-weight: 800; letter-spacing: -.4px; font-size: 20px; opacity: .92; }
header h1 { margin: 14px 0 6px; font-size: clamp(28px, 5vw, 40px); letter-spacing: -1px; line-height: 1.1; }
header p { margin: 0; opacity: .88; }
main { max-width: 760px; margin: 0 auto; padding: 32px 24px 72px; }
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
}
h2 { margin: 34px 0 10px; font-size: 21px; letter-spacing: -.3px; }
h2:first-of-type { margin-top: 0; }
p, li { color: var(--ink); }
a { color: var(--teal); }
@media (prefers-color-scheme: dark) { a { color: #5fd0ce; } }
table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 700; }
.table-wrap { overflow-x: auto; }
.meta { color: var(--muted); font-size: 14px; }
.pill {
  display: inline-block; background: rgba(14,124,123,.10); color: var(--teal);
  border-radius: 999px; padding: 4px 12px; font-size: 13px; font-weight: 700;
}
@media (prefers-color-scheme: dark) { .pill { background: rgba(95,208,206,.14); color: #5fd0ce; } }
footer { max-width: 760px; margin: 0 auto; padding: 0 24px 48px; color: var(--muted); font-size: 14px; }