Build a fully responsive React website using styled components and React smooth scroll in this comprehensive tutorial. Learn to create reusable components, implement React Hooks and React Router, and develop a professional-looking site with a navbar, sidebar, hero section, info section, services section, footer, and sign-in page. Master techniques such as smooth scrolling, changing navbar background on scroll, and adding React routes. Follow along step-by-step to create a dynamic and interactive website while gaining valuable skills in modern web development with React.