* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  background-color: #0a0a1a;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.container {
  background-color: #0f0f2a;
  border-radius: 12px;
  padding: 30px;
  max-width: 400px;
  width: 100%;
  text-align: center;
  box-shadow: 0 0 20px rgba(80, 0, 255, 0.3);
}

h1 {
  font-size: 1.8rem;
  margin-bottom: 15px;
}

.description {
  font-size: 0.9rem;
  color: #ccc;
  margin-bottom: 30px;
  line-height: 1.5;
}

.plans {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-bottom: 25px;
}

.plan {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #6a38ff;
  padding: 15px 20px;
  border-radius: 30px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.plan:hover {
  transform: translateY(-3px);
  background-color: #7b4dff;
}

.plan.selected {
  outline: 3px solid #5a27f4;
  outline-offset: 4px;
  box-shadow: 0 0 15px rgba(159, 23, 244, 0.6);
  transform: translateY(-3px);
}


.terms {
  font-size: 0.8rem;
  color: #bbb;
  margin-bottom: 25px;
}

.subscribe-btn {
  background-color: #4e29ff;
  border: none;
  padding: 15px;
  width: 100%;
  border-radius: 30px;
  font-size: 1rem;
  color: white;
  cursor: pointer;
  transition: background 0.3s;
}

.subscribe-btn:hover {
  background-color: #6a38ff;
}

.subscribe-btn:disabled {
  background-color: #3b228a;
  cursor: not-allowed;
}

.response {
  margin-top: 15px;
  margin-bottom: 15px;
  font-size: 0.9rem;
}

.response.success {
  color: #4ef04e;
}

.response.error {
  color: #ff5555;
}

@media (min-width: 768px) {
  .container {
    max-width: 500px;
    padding: 40px;
  }

  h1 {
    font-size: 2rem;
  }

  .description {
    font-size: 1rem;
  }
}