Hello,

You need to enable AJAX shop in the Theme Settings > Product Archive and then enable the hidden sidebar in the Cart element https://xtemos.com/docs/woodmart/header-builder/header-rows-columns-configuration/ of the Header builder in both desktop and mobile view: https://xtemos.com/docs/woodmart/header-builder/header-responsive-settings/

If you have any questions please feel free to contact us.

Best Regards