* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
  background: #0a1830;
  color: #f4f6f9;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  text-align: center;
}
.wrap { max-width: 32rem; }
.brand {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.tagline {
  margin-top: 0.75rem;
  color: #7fb3c9;
  font-weight: 600;
  letter-spacing: 0.03em;
}
h1 {
  margin-top: 2rem;
  font-size: 1.5rem;
  font-weight: 700;
}
p.lede {
  margin-top: 1rem;
  color: #b9c3d1;
  line-height: 1.6;
}
a {
  color: #7fb3c9;
}