* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.container {
  padding: 20px;
  width: 100%;
}

.card {
  max-width: 600px;
  margin: auto;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card h1 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.card p {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 12px;
}

.highlight {
  font-weight: 600;
  color: #00e6e6;
}

.divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  margin: 24px 0;
}

.footer-text {
  font-size: 0.9rem;
  opacity: 0.7;
}

/* Responsive tweaks */
@media (max-width: 480px) {
  .card {
    padding: 30px 20px;
  }

  .card h1 {
    font-size: 1.6rem;
  }
}