body {
  font-family: 'Segoe UI', sans-serif;
  background: #f4f6f8;
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 420px;
  background: #ffffff;
  margin: 50px auto;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  font-size: 24px;
  color: #222;
  margin-bottom: 25px;
}

input, button {
  font-size: 16px;
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  box-sizing: border-box;
  border-radius: 6px;
  border: 1px solid #ccc;
}

input:focus {
  outline: none;
  border-color: #0066ff;
}

.primary-button {
  background: #0a75e9;
  color: white;
  border: none;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
  margin-top: 20px;
}

.primary-button:hover {
  background: #004bb5;
}

.secondary-button {
  background: #3a88f2;
  color: white;
  border: none;
  font-weight: bold;
  cursor: pointer;
  margin-bottom: 15px;
  padding: 12px;
}

.secondary-button:hover {
  background: #2165c1;
}

.radio-group {
  margin-top: 15px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
}

/* Stripe Card Element Styling */
.StripeElement {
  background-color: white;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  margin-top: 5px;
}

.StripeElement--focus {
  border-color: #0a75e9;
  box-shadow: 0 0 0 1px #0a75e9;
}

.StripeElement--invalid {
  border-color: red;
}

#message {
  margin-top: 15px;
  font-weight: bold;
  text-align: center;
  color: green;
}

@media screen and (max-width: 480px) {
  .container {
    margin: 20px;
    padding: 20px;
  }

  h1 {
    font-size: 20px;
  }
}