How do I create a nav bar similar to the one on and how do I disable snapscroll on mobile

Hey guys,

I recently started building a new site and implemented the fullpage.js scrolling but I want to have a nav similar to the one on

And also, how do I disable the fullpage.js on tablet and mobile?

Thanks for your help, you wonderful community!!

Here is my site Read-Only:
(how to share your site Read-Only link)