I am looking for a professional web developer to create a responsive, user-friendly website for my mobile car wash business, Doorstep Car Spa the name should be Ziipwash. The primary goal of the site is to allow customers to book car detailing services online by selecting specific time slots and redirecting them to WhatsApp to finalize their location details. Key Features Required 1. Service Selection & Booking Engine Service Menu: A clean interface where users can select different car wash packages (e.g., Interior, Exterior, Full Spa). Real-Time Slot Booking: A calendar system where customers can select a Date and an Available Time Slot. Information Collection: A simple form to collect the customer’s Name, Phone Number, and Car Model. 2. WhatsApp Redirection Logic Automatic Trigger: Once the "Book Now" button is clicked, the system should save the booking details and immediately redirect the user to a specific WhatsApp number. Pre-filled Message: The redirect should open WhatsApp with a pre-filled message like: "Hi Doorstep Car Spa, I just booked a [Service Name] for [Date] at [Time]. Here is my location: [Current Location Link]" 3. Admin Dashboard (Management Portal) Booking Management: A secure login for me to view all upcoming bookings. CRUD Functionality: I must be able to Modify (reschedule), Remove (cancel), or manually Add bookings if I receive them via phone. Slot Management: Ability to block out specific dates or times when I am unavailable. Technical Preferences Platform: Open to suggestions (WordPress with Booking Plugins, Wix, or a Custom MERN/Next.js build). It must be mobile-optimized. Speed: The site must load quickly on mobile data. Scalability: I may want to add online payments (UPI/Razorpay) in the future. Deliverables Fully functional website with a custom domain connection. Admin panel access and a brief walkthrough on how to manage bookings. Source code/Full administrative rights.