Shopify Store UI Overhaul Needed

My Shopify storefront is live but still running on the default look. I’m adding the products myself; what I need from you is the full visual and structural polish so the shop feels professional and corporate from the moment a visitor lands... (Budget: $10 - $30 AUD, Jobs: Graphic Design, HTML, Shopify, Shopify Development, Shopify Templates, UI / User Interface, Web Design, Website Design)