Shopify subscription store

Need the following:

- shopify store design
- an assessment form before the buyer reaches payment options
e.g. product page button: step 1 Start assessment (go through form)
step 2 subscribe & save OR one of purchase
- option to buy with subscription or one off purchase
Step 3 buying confirmation

Musts;

Load time 1 second or less
Pass all google core web vitals
Looks great