html {
  color-scheme: light dark;
}

body {
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

.tagline {
  font-size: 1.1rem;
  opacity: 0.8;
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid;
  font-size: 0.9rem;
  opacity: 0.6;
}