Fix Step-Based Booking Buttons

I’m putting the finishing touches on a three-step service booking flow using plain HTML, CSS, and a little vanilla JavaScript. At the moment the “Continue” button loads in its disabled state and never flips to enabled, so users get stuck on the first screen... (Budget: ₹1500 - ₹12500 INR, Jobs: CSS, Debugging, Frontend Development, HTML, JavaScript, PHP, Web Design, Web Development)