**Ultra-realistic image of a modern and sleek website 3D illustrated, minimalist and futuristic UI for an online marketplace named 'COFFAI'. The design should be predominantly blue in theme and should reflect a space where users can easily navigate to buy and sell goods. The homepage should include a welcoming banner, intuitive search bar, clear category divisions, featured products, and user testimonials. All should be designed with a contemporary aesthetic --v 4 --q 1.** - Upscaled by <@1084867707826085928> (fast)