:root {
  --bg-1: #061a72;
  --bg-2: #0a36c8;
  --card-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at top right, rgba(75, 219, 255, 0.16), transparent 25%),
    radial-gradient(circle at bottom left, rgba(10, 255, 191, 0.12), transparent 22%),
    linear-gradient(135deg, var(--bg-1) 0%, var(--bg-2) 100%);
  font-family: Arial, Helvetica, sans-serif;
}
.page {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-card {
  width: min(100%, 1672px);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(6px);
}
.hero-image {
  display: block;
  width: 100%;
  height: auto;
}
@media (max-width: 768px) {
  body { padding: 12px; }
  .hero-card { border-radius: 16px; }
}