.checkout {
  font-family: "Montserrat", sans-serif;
  background-color: #f0f7f4;
  min-height: 100vh;
  padding: 2rem 0;
}

.checkout-form,
.order-summary {
  background-color: white;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(93, 162, 111, 0.15);
}

.checkout-form h4,
.order-summary h4 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #2d3748;
}

.checkout-form .form-label {
  font-weight: 500;
  color: #4a5568;
}

.checkout-form .form-control {
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  padding: 0.75rem;
}

.checkout-form .form-check-label {
  color: #4a5568;
}

.checkout-btn {
  background-color: #5da26f;
  color: white;
  border: none;
  padding: 0.8rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.checkout-btn:hover {
  background-color: #4a8a5a;
  transform: translateY(-2px);
}

.checkout-btn:active {
  transform: translateY(0);
}

.order-summary .d-flex {
  font-size: 1rem;
  color: #4a5568;
}

.order-summary .d-flex strong {
  color: #2d3748;
}

@media (max-width: 768px) {
  .checkout {
    padding: 1rem 0;
  }

  .checkout-form,
  .order-summary {
    padding: 1rem;
  }

  .checkout-form h4,
  .order-summary h4 {
    font-size: 1.3rem;
  }

  .checkout-btn {
    padding: 0.7rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .checkout-form h4,
  .order-summary h4 {
    font-size: 1.2rem;
  }

  .checkout-btn {
    padding: 0.6rem;
    font-size: 0.85rem;
  }

  .order-summary .d-flex {
    font-size: 0.9rem;
  }
}