Build a responsive website with HTML, CSS, and JavaScript in this comprehensive tutorial. Learn to create a fully functional site featuring a smooth scroll effect and dynamic navbar highlighting. Follow along step-by-step to construct key components including a navbar, hero section, about section, services section, sign-up form, and footer. Master essential web development skills such as styling with CSS, implementing mobile responsiveness, and adding interactivity with JavaScript. By the end of this beginner-friendly project, gain practical experience in creating a modern, professional-looking website that you can customize and expand upon.