Sleek Luxury Redesign for Base44

My site is already live on the Base44 platform and the underlying code works exactly as I need, so nothing in the HTML, CSS or backend should be touched. What I do want is a fresh visual treatment that... (Budget: £10 - £20 GBP, Jobs: Figma, Graphic Design, Illustration, Illustrator, Logo Design, Vector Design, Visual Design, Website Design)