Help improving the look of my shopify store.

i am looking for someone to help improving the look of my shopify store. such as UI optimization, font issue, customized functionality. mainly to imporve the look of faq page, about us page, contact us page, account login page, cart and payment page, product page, applicable page.
I am fine with new theme if it is a better choice.
My store link: https://ribaostore.com/
Current theme used: Gibson theme