Modern E-Commerce UI/UX

I’m refreshing my online store and need a modern UI/UX that moves visitors smoothly from first click to completed purchase. Increasing sales is the guiding metric, so every screen—from the home page to checkout—should make browsing effortless and the buying decision obvious... (Budget: min $50 USD, Jobs: Adobe XD, Figma, Graphic Design, HTML, UI / User Interface, User Interface / IA, UX / User Experience, Website Design)