Greeting
I am expert ready to do this task, First Will take backup and then update the theme. after that match the theme with backup. Done these kind of projects in my past experience confident to do this one also. great command on Php/mysql, Wordpress, WooCommerce, Html5/css3, Media query, Ajax etc. surly provide you the bests of best service.
Let me know if you have any concern and query. I am avail to discuss regarding the same
With regards