Premium React Frontend Upgrade

I need a seasoned React developer to turn our ecommerce site into a polished, production-ready product. The current landing page feels dated and, most importantly, the admin dashboard still lacks the refined functionality and flow I want for launch. Your mission is to modernise every screen, make the entire interface fully responsive, and add subtle, well-timed animations that elevate the overall experience without sacrificing performance. What I’m expecting from you • A fresh, premium landing page that loads fast, tells our story at a glance, and converts. • A clean, intuitive admin dashboard with upgraded information architecture and noticeably smoother workflows. • Pixel-perfect responsiveness across desktop, tablet, and mobile, plus cross-browser compatibility. • Delivery within the agreed fixed-price range of roughly $700–$1,200, split over sensible milestones we agree up front. Please review this demo version(https://bitbucket.org/getting-testworkplace/cloth-shop/src/main/) Please bid with 2–3 screenshots of our demo version you have seen, your estimated budget, timeline and relevant projects.