:root {
  color-scheme: light dark;
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  max-width: 720px;
  margin: 2rem auto;
  padding: 0 1.25rem;
  line-height: 1.55;
  color: CanvasText;
  background: Canvas;
}

header.site {
  margin-bottom: 2rem;
}

header.site h1 {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.25rem 0;
}

header.site .tagline {
  margin: 0;
  font-size: 1.1rem;
  color: GrayText;
}

header.subpage {
  margin-bottom: 1.5rem;
}

header.subpage a.back {
  color: LinkText;
  text-decoration: none;
  font-size: 0.95rem;
}

header.subpage a.back:hover {
  text-decoration: underline;
}

header.subpage h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 0 0;
}

main section {
  margin-bottom: 2rem;
}

main h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.75rem 0;
}

p {
  margin: 0 0 1rem 0;
}

blockquote {
  margin: 1rem 0;
  padding: 0.5rem 0 0.5rem 1rem;
  border-left: 3px solid GrayText;
  color: CanvasText;
  font-style: normal;
}

a {
  color: LinkText;
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid GrayText;
  font-size: 0.9rem;
  color: GrayText;
}

footer a {
  color: LinkText;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

@media (max-width: 480px) {
  body {
    margin: 1rem auto;
    padding: 0 1rem;
  }

  header.site h1 {
    font-size: 1.85rem;
  }
}