/* Shared site chrome: base typography, nav, button. Page layout stays in each page. */
html, body {
  margin: 0;
}
body {
  font-family: system-ui, -apple-system, sans-serif;
  color: #000;
  background: #fff;
}
.site-nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 1.5rem 0;
  text-align: center;
}
.site-nav a {
  color: #000;
  text-decoration: none;
  margin: 0 0.75rem;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  text-decoration: underline;
}
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: 1px solid #000;
  border-radius: 6px;
  background: #000;
  color: #fff;
  text-decoration: none;
  font-size: 1rem;
}
.btn:hover {
  opacity: 0.85;
}