* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  background: linear-gradient(
    135deg,
    #8b5cf6 0%,
    #3b82f6 25%,
    #06b6d4 50%,
    #ec4899 75%,
    #f97316 100%
  );
  background-size: 300% 300%;
  animation: gradientShift 18s ease infinite;
  color: #f8fafc;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  line-height: 1.6;
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.container {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.card {
  background: rgba(15, 23, 42, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 20px;
  padding: 3rem 2.5rem;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.badge {
  display: inline-block;
  background: rgba(99, 102, 241, 0.2);
  color: #c7d2fe;
  border: 1px solid rgba(99, 102, 241, 0.4);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, #ffffff 0%, #c7d2fe 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  color: #e0e7ff;
  margin-bottom: 1.25rem;
  font-weight: 500;
}

.description {
  font-size: 1rem;
  color: #cbd5e1;
  margin-bottom: 2rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta {
  background: linear-gradient(
    90deg,
    #8b5cf6 0%,
    #3b82f6 25%,
    #06b6d4 50%,
    #ec4899 75%,
    #f97316 100%
  );
  background-size: 200% 100%;
  color: #ffffff;
  border: none;
  padding: 0.9rem 2.25rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 999px;
  cursor: not-allowed;
  letter-spacing: 0.03em;
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.45);
  transition: transform 0.2s ease, box-shadow 0.2s ease,
    background-position 0.6s ease;
}

.cta:hover {
  transform: translateY(-1px);
  background-position: 100% 0;
  box-shadow: 0 14px 36px rgba(236, 72, 153, 0.5);
}

.footer {
  color: rgba(248, 250, 252, 0.6);
  font-size: 0.875rem;
  text-align: center;
}

@media (max-width: 480px) {
  .card {
    padding: 2rem 1.5rem;
    border-radius: 16px;
  }

  .cta {
    width: 100%;
  }
}