How to fix navigation bar from moving between pages?

Hi, if you go to my published staging website and click through the navigation bar between pages, you’ll notice my navigation bar moves over slightly, and sometimes my footer moves on some of the pages as well. How to fix the nav and footer to not move over? Mostly the nav bar is my biggest concern to fix.

My footer also might be too small, the text is super low but when I try to move the text up I get problems. Any solutions here too?

Published Staging Website: [LINK][1]
Here is my site Read-Only: [[LINK](Our Story - Legacy Labs)][2]