Mobile Variant Navbar Issue

We have created a mobile variant of a navbar, but we are having issues.

On copy & pasting from a page that works, it's now not allowing the following.

When you click on the button and open the Navbar, when you scroll down to open the links it immediately goes to the page and doesn't allow you to click on the sub-menus.

Mobile variant pages only!

Here's the problem page: www.becobuilding.site
It works on this page fine however: www.awpet.com

I believe the reason for this happening is that the main buttons with sub-menus have links. Remove them and it should work correctly. For example, the "Behind the Scenes" button links to behindthescenes.html. Remove this link so it links to 'Do Nothing' then the navbar will work as expected.