Hi there! I have checked the attached pdf and I'm able to make all the changes you described in the pd file.
I'm a full time shopify store developer and I'm proficient in Shopify liquid, Shopify store customization, Shopify store improvement among others.
I've done several similar improvements on previous projects and I'm confident I'm able to complete this project successfully.
Please kindly take a look at some of my work on Shopify.
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Looking forward to your response. Thanks