:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0a1020;
  color: #e8eefc;
}

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at top, #17284a, #0a1020 58%);
}

main {
  width: min(42rem, calc(100% - 3rem));
  padding: 3rem;
  box-sizing: border-box;
  border: 1px solid #2e4168;
  border-radius: 1.25rem;
  background: rgb(12 22 42 / 82%);
  box-shadow: 0 1.5rem 5rem rgb(0 0 0 / 35%);
}

.eyebrow {
  color: #77a7ff;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .16em;
}

h1 {
  margin: .5rem 0 1rem;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.05;
}

p { color: #b9c7e2; line-height: 1.65; }
nav { display: flex; gap: 1.25rem; margin-top: 2rem; }
a { color: #8db5ff; text-decoration: none; }
a:hover { text-decoration: underline; }