:root {
  --max-width: 64rem;
  --space: 1.5rem;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
}

.site-header,
.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space);
}

.brand {
  font-weight: 700;
  text-decoration: none;
  color: inherit;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}