Hello, thank you for contacting, this only happens in Instant Checkout, when you enter all the data and you reach the final button "proceed to checkout" and you give the button does nothing, does not advance to the next step of the order
you can see it in the following link:
https://luzmayor.com/en/autenticacion?back=https%3A%2F%2Fluzmayor.com%2Fcarrito%3Fstep%3D1&display_guest_checkout=1
In the standard order 5 steps and one page chekout works correctly only fails in instant order
Thank you very much for your help