:root {
  color-scheme: light;
  --text: #111;
  --muted: #444;
  --link: #0b57d0;
  --rule: #e4e4e4;
  --bg: #fff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.wrap {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 3rem;
}

header {
  margin-bottom: 1.5rem;
}

.site-name {
  font-weight: 650;
  color: inherit;
  text-decoration: none;
}

main h1 {
  margin: 0 0 0.75rem;
  font-size: 1.6rem;
  line-height: 1.25;
}

main h2 {
  margin: 1.5rem 0 0.4rem;
  font-size: 1.15rem;
}

main p,
main ul {
  margin: 0.6rem 0;
}

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

a:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 2px;
}

ul {
  padding-left: 1.2rem;
}

footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-size: 0.95rem;
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

@media (min-width: 40rem) {
  .wrap {
    padding-top: 2.5rem;
  }
}