:root { color-scheme: light dark; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  max-width: 44rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}
h1 { font-size: 2rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 0.5rem; border-bottom: 1px solid currentColor; padding-bottom: 0.25rem; }
.lede { font-size: 1.1rem; margin: 0 0 1rem; }
.tools { list-style: none; padding: 0; margin: 0; }
.tools li { margin: 0 0 1rem; }
.tools a { font-weight: 600; }
.tools p { margin: 0.15rem 0 0; }
footer { margin-top: 3rem; font-size: 0.9rem; }