:root {
  color-scheme: light dark;
  --text: #18181b;
  --muted: #52525b;
  --background: #ffffff;
  --link: #1d4ed8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --text: #f4f4f5;
    --muted: #a1a1aa;
    --background: #0a0a0a;
    --link: #93c5fd;
  }
}
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main,
footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 16px;
}
main {
  padding-top: 4rem;
  padding-bottom: 2rem;
}
h1 {
  font-size: 2rem;
  letter-spacing: -0.02em;
}
h2 {
  margin-top: 2rem;
  font-size: 1.2rem;
}
.lead {
  font-size: 1.2rem;
  color: var(--muted);
}
a {
  color: var(--link);
}
footer {
  padding-bottom: 3rem;
  color: var(--muted);
  font-size: 0.95rem;
}