:root {
  --bg1: #0f172a;
  --bg2: #111827;
  --card: rgba(255, 255, 255, 0.08);
  --card-border: rgba(255, 255, 255, 0.18);
  --text: #e5e7eb;
  --muted: #cbd5e1;
  --accent: #60a5fa;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
    "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px circle at 20% 20%, rgba(96, 165, 250, 0.25), transparent 40%),
    radial-gradient(900px circle at 80% 30%, rgba(56, 189, 248, 0.18), transparent 45%),
    linear-gradient(180deg, var(--bg1), var(--bg2));
  overflow-x: hidden;
}

.wrap {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(720px, 100%);
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 32px 26px;
  text-align: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.35);
  animation: floatIn 650ms ease-out both;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(26px, 4vw, 44px);
  letter-spacing: -0.02em;
}

p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(15px, 2vw, 18px);
}

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}