How to create this theme using Adaptive Theme (Panels)

Hi there,

I want to develop a site exactly like this: http://www.josephleonard.com/

I wanted some advice on how I can get started with the Side nav bar (with pop out modules), and the photo gallery.

Any help would be great.

Thanks!

Drupal version: 


Source: https://www.drupal.org/taxonomy/term/3/feed