Modifying Logo area

I want to add notes & buttons such as "contact us", our "email id" on right top corner. Maybe should add facebook & twitter icons. In order to do that I would need to add these elements in 'logo area' of website. Unfortunately the Atahualpa theme is not so simple to modify. It's very complex with lot of php stuff.

I figured out I need to edit bta-header.config.php file but can anyone help me out how to do it?
when I added simple html script inside it showed errors.

Thank you.