:root {
  color-scheme: light dark;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 20% 10%, rgba(59,130,246,.34), transparent 34%),
    radial-gradient(circle at 90% 20%, rgba(16,185,129,.22), transparent 32%),
    linear-gradient(135deg, #020617, #111827 58%, #020617);
  color: #e5e7eb;
}
.card {
  width: min(92vw, 720px);
  padding: 42px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 28px;
  background: rgba(15,23,42,.76);
  box-shadow: 0 24px 90px rgba(0,0,0,.38);
  backdrop-filter: blur(10px);
}
.badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(34,197,94,.14);
  color: #86efac;
  font-size: 12px;
  letter-spacing: .08em;
}
h1 {
  margin: 18px 0 10px;
  font-size: clamp(34px, 7vw, 64px);
  line-height: 1;
}
p {
  margin: 0 0 22px;
  color: #cbd5e1;
  font-size: 18px;
}
a {
  color: #93c5fd;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}