:root {
  color-scheme: light dark;
  --text: #1f2328;
  --muted: #59636e;
  --link: #0b5cad;
  --background: #ffffff;
  --rule: #d1d9e0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #e6edf3;
    --muted: #9198a1;
    --link: #6cb6ff;
    --background: #10141a;
    --rule: #3d444d;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

main,
footer {
  max-width: 70ch;
  margin: 0 auto;
  padding: 0 1rem;
}

main {
  padding-top: 2.5rem;
  padding-bottom: 2rem;
}

h1,
h2,
h3 {
  line-height: 1.25;
  hyphens: manual;
}

h1 {
  margin: 0.25rem 0 0.5rem;
  font-size: 2rem;
}

h2 {
  margin: 2.5rem 0 0.75rem;
  font-size: 1.375rem;
}

h3 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1.125rem;
}

p,
li {
  hyphens: auto;
  overflow-wrap: break-word;
}

ul {
  padding-left: 1.5rem;
}

a {
  color: var(--link);
}

.product,
.version {
  margin: 0;
  color: var(--muted);
}

.product {
  font-weight: 600;
  letter-spacing: 0.02em;
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  padding-top: 1.25rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid var(--rule);
  font-size: 0.9375rem;
}

footer a {
  color: var(--muted);
}