:root {
  --max-width: 720px;
  --text: #111;
  --muted: #666;
  --accent: #005fcc;
}

html {
  font-size: 18px;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, "Noto Sans", Arial, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background: #fff;
}

main {
  max-width: var(--max-width);
  margin: 4rem auto;
  padding: 0 1.25rem;
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 0.2em;
}

h2 {
  font-size: 1.4rem;
  margin-top: 2.5rem;
}

p {
  margin: 0.8rem 0;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.small {
  color: var(--muted);
  font-size: 0.9rem;
}
.hero {
  border-left: 6px solid var(--accent);
  padding-left: 1rem;
  margin-bottom: 2.5rem;
}

.lead {
  font-size: 1.15rem;
  margin: 0 0 0.75rem 0;
}

.links a {
  display: inline-block;
  margin-right: 1rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid #ddd;
  border-radius: 10px;
  color: var(--text);
}

.links a:hover {
  border-color: #bbb;
  text-decoration: none;
}

h2 {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid #eee;
}