Elegant Booking App UI Redesign

We are seeking an expert front-end developer to redesign the user experience of our online booking application used by luxury spas. The goal is to create a seamless, elegant, and premium booking process that feels effortless for clients scheduling appointments. Speed, intuitive flow, and refined design are critical. The final deliverable will be a fully coded front-end using HTML, CSS, and vanilla JavaScript, though the project can be completed in stages.

Deliverables
Redesign the booking app user interface with a modern, elegant look
Ensure a fast, intuitive, and premium booking experience
Deliver a fully coded front-end using HTML, CSS, and JavaScript