body {
  margin: 0;
  font-family: sans-serif;
  background: radial-gradient(circle at center, #050505, #0a0a0a);
  color: #b0b0b0;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.main-container {
  position: relative;
  width: 100%;
  max-width: 450px;
  padding: 20px;
}

.card {
  background: rgba(15, 15, 15, 0.8);
  backdrop-filter: blur(10px);
  padding: 40px;
  border-radius: 20px;
  border: 1px solid rgba(255, 0, 0, 0.1);
  box-shadow: 0 12px 40px rgba(255, 0, 0, 0.15);
  animation: pulse 2s infinite;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 50px rgba(255, 0, 0, 0.25);
}

.title {
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 20px;
  background: linear-gradient(to right, #ff0000, #cc0000);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.description,
.secure-message {
  font-size: 16px;
  margin-bottom: 30px;
}

.secure-label {
  font-weight: bold;
  color: #ff0000;
}

.access-button {
  background: linear-gradient(to right, #ff0000, #cc0000);
  color: #fff;
  border: none;
  padding: 16px 24px;
  font-size: 16px;
  border-radius: 12px;
  cursor: pointer;
  width: 100%;
  transition: all 0.4s ease;
}

.access-button:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 20px rgba(255, 0, 0, 0.3);
}

.access-button:active {
  transform: translateY(1px);
}

.footer {
  position: absolute;
  bottom: 10px;
  width: 100%;
  font-size: 14px;
  color: #ff0000;
}

.footer a {
  color: #ff0000;
  text-decoration: none;
  margin: 0 10px;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.85; }
}