:root {
  --bg: #f8fafc;
  --fg: #0f172a;
  --muted: #475569;
  --card: #ffffff;
  --line: #e2e8f0;
  --accent: #4f46e5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1020;
    --fg: #e5e7eb;
    --muted: #9ca3af;
    --card: #131a2e;
    --line: #26304a;
    --accent: #818cf8;
  }
}
* { 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: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.page {
  width: 100%;
  max-width: 40rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 2rem;
  flex: 1;
}
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.1rem; }
.logo { width: 2rem; height: 2rem; }
.hero { padding: 3rem 0 1.5rem; }
.eyebrow { margin: 0 0 .5rem; color: var(--accent); font-weight: 600; font-size: .95rem; word-break: break-all; }
h1 { margin: 0 0 1rem; font-size: clamp(1.6rem, 6vw, 2.4rem); line-height: 1.2; }
.lead { margin: 0; color: var(--muted); font-size: 1.05rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: .75rem; padding: 1rem 1.25rem; margin-top: 1.5rem; }
.card h2 { margin: 0 0 .5rem; font-size: 1rem; }
dl { margin: 0; }
dl div { display: flex; justify-content: space-between; gap: 1rem; padding: .55rem 0; border-top: 1px solid var(--line); }
dl div:first-child { border-top: 0; }
dt { color: var(--muted); }
dd { margin: 0; font-weight: 600; text-align: right; }
.back { margin-top: 1.5rem; }
a { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.foot { padding: 1rem; text-align: center; color: var(--muted); font-size: .9rem; }