:root {
  --bg: #fff;
  --fg: #16212c;
  --muted: #55626f;
  --accent: #12263a;
  --link: #0b5cad;
  --line: #dde3ea;
  --soft: #f4f6f9;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1620;
    --fg: #e8edf2;
    --muted: #a3afbb;
    --accent: #e8edf2;
    --link: #7db8f0;
    --line: #26323f;
    --soft: #141f2b;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--fg);
  font: 1.0625rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--link); text-underline-offset: 0.15em; }
a:focus-visible { outline: 3px solid var(--link); outline-offset: 2px; border-radius: 2px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--bg); padding: 0.5rem 1rem; }
.skip:focus { left: 0; z-index: 10; }
.wrap { width: 100%; max-width: 46rem; margin: 0 auto; padding: 0 1.25rem; }
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem 1.5rem; padding-top: 1rem; padding-bottom: 1rem; }
.logo { font-weight: 700; font-size: 1.25rem; letter-spacing: 0.01em; color: var(--accent); text-decoration: none; }
nav ul { list-style: none; display: flex; gap: 1.25rem; margin: 0; padding: 0; }
nav a { color: var(--fg); text-decoration: none; padding: 0.25rem 0; border-bottom: 2px solid transparent; }
nav a:hover { border-bottom-color: var(--line); }
nav a[aria-current="page"] { border-bottom-color: var(--accent); font-weight: 600; }
main { flex: 1; padding-top: 3rem; padding-bottom: 3rem; }
h1 { font-size: clamp(1.9rem, 5vw, 2.6rem); line-height: 1.2; margin: 0 0 1.25rem; color: var(--accent); }
h2 { font-size: 1.25rem; margin: 2.25rem 0 0.5rem; color: var(--accent); }
p, ul { margin: 0 0 1rem; }
.lead { font-size: 1.25rem; color: var(--fg); }
address { font-style: normal; margin: 0 0 1rem; }
.muted { color: var(--muted); }
footer { background: var(--soft); border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9375rem; }
footer .wrap { padding-top: 1.5rem; padding-bottom: 1.5rem; }
footer p { margin: 0 0 0.25rem; }