Build Service Sales Website

I need a clean, professional website that lets customers browse my range of services, select what they need, and pay in just a few clicks. The whole flow—from landing on the home page to receiving confirmation of purchase—should feel effortless on desktop and mobile alike... (Budget: $250 - $750 USD, Jobs: Content Management System (CMS), Graphic Design, HTML, Payment Gateway Integration, PHP, Web Development, Website Design, Website Optimization)