:root {
  color-scheme: dark;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #070d22;
  color: #edf2ff;
}

body {
  margin: 0;
  background: radial-gradient(circle at top left, #12275a 0, #070d22 42rem);
}

main {
  max-width: 54rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

nav, .notice {
  padding: 1rem;
  border: 1px solid #293966;
  border-radius: 0.8rem;
  background: #0c1633;
}

nav a, a { color: #71dcff; }
nav a { margin-right: 1rem; }
h1, h2 { line-height: 1.2; }
h2 { margin-top: 2rem; }
p, li { line-height: 1.65; }
.muted { color: #b7c2df; }
.action {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: 0.6rem;
  background: #41bce8;
  color: #04101f;
  font-weight: 700;
  text-decoration: none;
}
section[lang] { scroll-margin-top: 1rem; }
footer { margin-top: 3rem; color: #9ba9ca; }