.checkout-container {
  max-width: 650px;
  margin: 0 auto;
  background: #fff;
  padding: 40px 30px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.checkout-container h1 {
  text-align: center;
  color: #F37021;
  margin-bottom: 25px;
}

.checkout-form label {
  display: block;
  margin-top: 12px;
  font-weight: 500;
  color: #151515;
}

.checkout-form input {
  width: 100%;
  padding: 10px;
  margin-top: 6px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-family: 'Montserrat', sans-serif;
}

.btn-pagar {
  display: block;
  width: 100%;
  background-color: #F37021;
  color: #fff;
  border: none;
  padding: 12px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  margin-top: 25px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.btn-pagar:hover {
  background-color: #d65f1d;
}

.mensaje-error {
  color: red;
  font-weight: 500;
  margin-top: 10px;
  text-align: center;
}