Built a production-ready e-commerce platform from the ground up with full multi-language support (English and Arabic with complete RTL layout adaptation), dark/light mode theming, a shopping cart with real-time stock validation that prevents overselling, a multi-step checkout flow with form validation, and a comprehensive admin dashboard with revenue analytics, order management, and inventory tracking. The platform demonstrates end-to-end full-stack development including authentication, database design, state management, and responsive UI.