⚠️ USE THESE TEST CARD DETAILS:
Card: 4242 4242 4242 4242
Expiry: Any future date (e.g., 12/30)
CVC: Any 3 digits (e.g., 123)
⚠️ Do not use real card numbers - this is test mode!
Default: £0.20 (20p) for quick testing
This is a test payment. No real charges will be made.