:root {
  color-scheme: light dark;
  font-family: system-ui, sans-serif;
  line-height: 1.65;
}

body {
  margin: 0;
}

main {
  max-width: 50rem;
  margin: auto;
  padding: 2rem 1.25rem;
}

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

h1 {
  font-size: clamp(2rem, 6vw, 3rem);
}

section, footer {
  margin-top: 3rem;
}

.eyebrow {
  font-weight: 600;
}

.intro {
  font-size: 1.2rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

a {
  color: #0969da;
  text-underline-offset: 0.2em;
}

a:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
}

pre {
  padding: 1rem;
  overflow-x: auto;
  background: #f1f3f5;
  border-radius: 0.5rem;
}

code {
  font-family: ui-monospace, monospace;
}

@media (prefers-color-scheme: dark) {
  a {
    color: #80baff;
  }

  pre {
    background: #20252c;
  }
}