Topic: Browser resizing issue – EngineThemes

I am using Arch theme and its great so far. Having one big problem. On the Demo site, when I resize the browser window, everything seems to fall into place perfectly. But on my site when I resize the window the Navigation drops down below the logo and so does the Widget drop down below the navigation. On the Demo this does not happen, it just simply moves over until it goes to the Dropdown Tablet navigation. here is my site so you can reference:

I’m sure its a simple CSS fix but I can’t seem to get it. Any help would be greatly appreciated. Thanks!