Full screen landing page with no scrolling and keyboard navigation

Hello,

I’ve searched high and low but cant find a theme/template or plugins that have all the requirements that I need.

I want to “build” a website like this:

As already written in the title: I’m looking for a full screen landing page with auto scale and no scrolling and keyboard navigation instead.

Does anybody have an know such a theme or suitable plugins?

Thank you very much in advance!