All Visa/Mastercard/Diners/Amex payments are being processed via PayPal: either using a PayPal account or checking out as a guest with the "Pay with Debit or Credit Card" option
After clicking the Checkout button on the Cart page you will be redirected to payment page powered by 2Checkout (Verifone). You need to switch to PayPal as it shown on the image. And click "Continue to PayPal"
In case if you do not have a PayPal account and want to use your bank card for payment, just click on "Create an Account". In other case you can log-in to your PayPal account and proceed the payment.
On the PayPal Guest Checkout page please fill in your personal information and payment source details.
And finally click on the "Continue as Guest" and payment will be done from your bank card without creation of the PayPal account