:root {
  --ink: #1a1a1a;
  --muted: #555;
  --accent: #1d5c3a;
  --bg: #fdfdfb;
}

* { box-sizing: border-box; }

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

header {
  border-bottom: 1px solid #e2e2e2;
  padding: 1rem 1.5rem;
}

nav {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

nav .brand {
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  margin-right: auto;
  font-size: 1.1rem;
}

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

nav a:hover { color: var(--accent); }

main {
  max-width: 700px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

h1 { color: var(--accent); }

footer {
  border-top: 1px solid #e2e2e2;
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.routes li { margin-bottom: 0.5rem; }