Both shapes below are buildable on the current stack. This page lays them side by side and says which one we would pick - and why.
Everything on a single screen: bag, address, delivery, payment. She sees the whole thing before she starts.
Address, then delivery, then payment - one question at a time, a progress strip up top.
NOOR buyers are mostly on phones, mostly buying one to three pieces. For that basket, fewer taps beats smaller screens - and a single page lets the order total stay visible the whole time, which is the calmer, more honest shape.
If the average order ever grows into outfit-building territory, revisit. The stepped version is the better fit for big baskets.