:root {
  --text: #111;
  --muted: #555;
  --border: #e5e5e5;
  --bg: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.tagline {
  color: var(--muted);
  font-size: 1.1rem;
}

h2 {
  margin-top: 2.5rem;
  font-size: 1.4rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}

p {
  margin-top: 1rem;
}

ul {
  margin-top: 1rem;
  padding-left: 20px;
}

li {
  margin-bottom: 0.5rem;
}

.footer {
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--muted);
}

.footer .links a {
  color: var(--muted);
  text-decoration: none;
}

.footer .links a:hover {
  text-decoration: underline;
}