Went through your requirement and would like to assist you for the same. Send me the email at email@example.com
This looks to be a theme from Shopify theme store, so it shouldn't be that difficult to make it fit your needs.
So, besides the cost of the theme ($180) we'll have to see what exactly needs to be customized.
If you want to discuss further, please contact me here: https://www.webshopassist.com/en#contact
Hopes you are doing well,
I can help you to transform fashe theme to look like exactly like a shopify site
So please feel free to mail me on firstname.lastname@example.org to help you asap.