Fix a theme bug

I need someone to fix a bug in a theme ( [login to view URL] ) [login to view URL]?WT.ac=search_item&WT.seg_1=search_item&WT.z_author=activetofocus Theme have 2 different responsive ( 1 witch is as on theme forest and one witch is full on display ) On second choiset the submenu are not working on Iphone ( on Samsung S2 is working ) I can pay 10 EUROS for that after I see results and also I need solution to can use in other websites I think to make with this theme. Thank you