:root {
  color-scheme: light dark;
  --bg: #f7f7f5;
  --fg: #1b1b1b;
  --muted: #4a4a4a;
  --link: #0b5cad;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #f1f1ef;
    --muted: #c4c4c0;
    --link: #8ab8f0;
  }
}
* { box-sizing: border-box; }
html { font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  text-align: center;
}
h1 { margin: 0 0 .5rem; font-size: clamp(2rem, 8vw, 3.5rem); font-weight: 600; letter-spacing: -.01em; }
p { margin: 0; font-size: clamp(1.1rem, 3.5vw, 1.4rem); color: var(--muted); }
a { color: var(--link); text-underline-offset: .2em; }
a:focus-visible { outline: 3px solid currentColor; outline-offset: 3px; }