:root {
  color-scheme: light dark;
  --focus-ring: #005fcc;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: Canvas;
  color: CanvasText;
}

@media (prefers-color-scheme: dark) {
  :root {
    --focus-ring: #79b8ff;
  }

  :root header p {
    color: #c6c6c6;
  }
}

* {
  box-sizing: border-box;
}

html {
  overflow-wrap: anywhere;
}

body {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
}

.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2;
  padding: 0.75rem 1rem;
  background: Canvas;
  color: CanvasText;
  transform: translateY(-120%);
}

.skip-link:focus {
  transform: translateY(0);
}

.page {
  width: min(100%, 72ch);
  min-height: 100vh;
  margin-inline: auto;
  padding: clamp(1rem, 4vw, 3rem);
}

header,
footer {
  border-color: GrayText;
}

header {
  border-bottom: 1px solid;
  margin-bottom: 2rem;
}

header p {
  margin-block: 0;
  padding-block: 0.75rem;
  color: #4d4d4d;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

footer {
  border-top: 1px solid;
  margin-top: 3rem;
  padding-top: 1rem;
}

h1,
h2 {
  line-height: 1.2;
}

h2 {
  margin-top: 2rem;
}

.important {
  margin-block: 1.5rem;
  padding: 1rem 1.1rem;
  border: 1px solid GrayText;
  border-inline-start: 0.35rem solid CanvasText;
  background: color-mix(in srgb, CanvasText 6%, Canvas);
}

.important p {
  margin-block: 0;
}

a {
  color: LinkText;
  text-decoration: underline;
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.18em;
}

a:visited {
  color: VisitedText;
}

a:focus-visible,
main:focus-visible {
  outline: 0.2rem solid var(--focus-ring);
  outline-offset: 0.2rem;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  padding: 0;
  list-style: none;
}

nav a {
  display: inline-block;
  min-height: 2.75rem;
  padding-block: 0.55rem;
}

@media (max-width: 24rem) {
  .page {
    padding-inline: 1rem;
  }
}

@media print {
  :root {
    color-scheme: light;
  }

  body {
    color: #000;
    background: #fff;
  }

  .skip-link,
  nav {
    display: none;
  }

  .page {
    width: auto;
    max-width: none;
    padding: 0;
  }

  a {
    color: inherit;
  }
}