:root {
  --ground: #f2f2f7;
  --surface: #ffffff;
  --ink: #1c1c1e;
  --ink-muted: #48484c;
  --ink-faint: #6c6c70;
  --line: rgba(60, 60, 67, 0.16);
  --line-strong: #d1d1d6;
  --accent: #0d7484;
  --radius: 14px;
  --maxw: 40rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #000000;
    --surface: #1c1c1e;
    --ink: #f2f2f7;
    --ink-muted: #c7c7cc;
    --ink-faint: #98989f;
    --line: rgba(84, 84, 88, 0.4);
    --line-strong: #38383a;
    --accent: #5ac8d8;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui,
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 40px 20px 64px; }
header.site {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-bottom: 20px; border-bottom: 1px solid var(--line); margin-bottom: 32px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--ink); font-weight: 700; font-size: 1.0625rem;
}
.brand svg { width: 26px; height: 26px; display: block; }
.pill {
  font-size: 0.8125rem; font-weight: 600; color: #fff; background: var(--accent);
  border-radius: 980px; padding: 6px 14px; text-decoration: none; white-space: nowrap;
}
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.75rem;
  font-weight: 700; color: var(--accent); margin: 0 0 8px;
}
h1 { font-size: 2rem; line-height: 1.15; font-weight: 800; letter-spacing: -0.015em; margin: 0 0 8px; }
.updated { color: var(--ink-faint); font-size: 0.9375rem; margin: 0 0 32px; }
h2 { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; margin: 36px 0 10px; }
p { margin: 0 0 16px; color: var(--ink-muted); }
strong { color: var(--ink); font-weight: 600; }
ul { margin: 0 0 16px; padding-left: 0; list-style: none; }
li { position: relative; padding-left: 22px; margin: 0 0 10px; color: var(--ink-muted); }
li::before {
  content: ""; position: absolute; left: 6px; top: 10px; width: 5px; height: 5px;
  border-radius: 50%; background: var(--accent);
}
a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: from-font; }
a:hover { opacity: 0.75; }
footer.site {
  margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line);
  color: var(--ink-faint); font-size: 0.875rem;
}
footer.site nav { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 10px; }
footer.site a { color: var(--ink-faint); text-decoration: none; }
footer.site a:hover { color: var(--ink); }
.hero { text-align: center; padding: 32px 0 8px; }
.hero .mark { width: 76px; height: 76px; margin: 0 auto 22px; display: block; }
.hero h1 { font-size: 2.5rem; }
.lead { font-size: 1.1875rem; color: var(--ink-muted); max-width: 34rem; margin: 0 auto 28px; }
.links { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.btn { display: inline-block; text-decoration: none; font-weight: 600; font-size: 1rem; padding: 12px 22px; border-radius: 12px; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-secondary { background: var(--surface); color: var(--ink); border: 1px solid var(--line-strong); }
@media (max-width: 480px) {
  body { font-size: 16px; }
  h1 { font-size: 1.75rem; }
  .hero h1 { font-size: 2rem; }
  .wrap { padding: 28px 18px 56px; }
}