:root {
  --ink: #14171a;
  --muted: #6b7280;
  --paper: #fbfbfa;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #f2f3f5; --muted: #9aa3ad; --paper: #101315; }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.7 ui-sans-serif, system-ui, -apple-system, "Apple SD Gothic Neo", sans-serif;
  -webkit-font-smoothing: antialiased;
  display: grid;
  place-items: center;
}
main { padding: 2rem 1.5rem; text-align: center; }
h1 {
  margin: 0 0 .75rem;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -.01em;
}
.lede { margin: 0 0 3rem; color: var(--muted); }
.foot { margin: 0; font-size: .8125rem; color: var(--muted); }