When to switch to mobile menu

Usually, there’s either a javascript trigger or CSS media query set to some number of pixels or ems that flips the menu.

As you use a commercial theme and need support, please use their official support channel. We feel they are best equipped to support their products.

https://smartcatdesign.net/get-support/

Commercial products are not supported in these forums. As you are their customer I am sure they will have no problem supporting you there.