:root {
  --navy: #06172b;
  --blue: #1387ff;
  --gold: #f6b400;
  --text: #07182d;
  --muted: #5d6c7f;
  --line: rgba(6, 23, 43, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 16%, rgba(19, 135, 255, 0.12), transparent 32rem),
    linear-gradient(180deg, #ffffff 0%, #f4f8fc 100%);
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(1.25rem, 4vw, 3rem);
}

.card {
  width: min(100%, 980px);
  text-align: center;
  padding: clamp(2rem, 5vw, 4.5rem) clamp(1rem, 4vw, 3rem);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 24px 60px rgba(6, 23, 43, 0.10);
  backdrop-filter: blur(8px);
}

.logo {
  display: block;
  width: min(100%, 860px);
  height: auto;
  margin: 0 auto clamp(1.75rem, 4vw, 3rem);
}

h1 {
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
  color: var(--navy);
}

@media (max-width: 560px) {
  .card {
    border-radius: 20px;
  }
}