Minimalist E-Commerce App UX Design

I need a fresh UX vision for a mobile e-commerce app that feels light, uncluttered, and intuitive from first tap to checkout. The entire flow—browsing, product detail, cart, secure payment, and post-purchase tracking—should follow minimalist principles: limited visual noise, clear hierarchy, and friction-free interactions that guide users naturally.

What I expect from you:
• Low-fidelity sketches or quick wireframes to confirm layout ideas.
• A complete, clickable high-fidelity prototype (Figma, Sketch, or Adobe XD) showing the core journey on iOS and Android screen sizes.
• A short style reference—type scales, color palette, spacing system—so future UI work stays consistent with the UX decisions.
• Notes on component behaviours, micro-interactions, and accessibility considerations that keep the experience lean yet fully usable.

I’ll provide brand assets, core user stories, and competitor references once we start. Let’s focus on crystal-clear navigation, speedy decision points, and a checkout that feels almost invisible. If this sounds like your sweet spot, tell me how you’d approach the first iteration and roughly how long that phase would take.