E-commerce Site with List Layout

I need to launch an e-commerce website focused on selling physical products. Every product page should default to a clean, easy-to-scan List view rather than the typical grid or carousel, so shoppers can compare items quickly as they scroll.

Core requirements
• Robust catalogue and inventory tools that support physical goods (SKU tracking, stock alerts, basic shipping rules).
• Razorpay payment gateway fully integrated and tested for smooth checkout on desktop and mobile. If your solution also makes it simple to add credit/debit cards or PayPal later, that’s a plus.
• Responsive design that keeps the List view clear on phones, tablets, and large screens.
• Admin dashboard where I can create/edit products, manage orders, apply discounts, and export sales data.
• SEO-friendly structure and basic on-page optimisation (clean URLs, meta tags, alt text placeholders).

Acceptance criteria
1. I can add a new product, assign price, stock, images, and see it display correctly in the List view.
2. A test transaction completes end-to-end through Razorpay in both INR and a second currency of my choice.
3. Site scores 90+ on Google Lighthouse mobile performance.
4. All pages pass W3C validation and display consistently in the latest versions of Chrome, Safari, and Firefox.

Please outline the platform or stack you propose, estimated timeline, and any similar builds you can show.