* {
  box-sizing: border-box;
}

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

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #0f0f14;
  color: #ffffff;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at top, #292038 0%, #0f0f14 55%);
}

.card {
  width: min(680px, 100%);
  text-align: center;
  padding: 70px 30px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 24px;
  background: rgba(255,255,255,.04);
  box-shadow: 0 20px 70px rgba(0,0,0,.35);
}

.symbol {
  font-size: 46px;
  margin-bottom: 18px;
  opacity: .9;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 8vw, 72px);
  letter-spacing: -2px;
}

.subtitle {
  margin: 18px 0 0;
  font-size: 19px;
  color: #c8c3d2;
}

.credit {
  margin: 70px 0 0;
  font-size: 14px;
  color: #8f8a99;
}

.credit strong {
  color: #ffffff;
  letter-spacing: .8px;
}

@media (max-width: 480px) {
  .card {
    padding: 55px 22px;
  }
}