Modern Responsive E-Commerce Website Design

I need a clean, modern online store that looks great on every device and guides visitors smoothly from first click to checkout. The brand identity is established, so the design should feel premium and visually consistent while remaining fast and easy to navigate. Core requirements • Fully responsive build that passes mobile-first best practices and loads quickly. • Intuitive product catalog with categories, search, filters, cart, and secure checkout. • Polished homepage, about section, contact details, and clear calls-to-action that drive conversions. • Simple content-management so I can add or update products, prices, and images without touching code. • SEO-friendly structure and basic on-page optimisation for launch. • Integration with major payment gateway(s) and any essential shipping or tax settings for my region. When you submit your bid, include a detailed project proposal outlining: – the platform or tech stack you recommend (e.g., Shopify, WooCommerce, custom React storefront, etc.) and why it suits an e-commerce store; – milestones with a realistic timeline; – examples of past online stores you have built, highlighting any speed or conversion results achieved; – post-launch support or training you provide. The finished site must be handed off ready to accept live orders, with all demo content replaced by my supplied copy and product images.