2 different depths is not a bad idea. Altho you do give up space, the less deep shelves keep things from getting lost behind. And you create a "countertop" space.
Vintage Country Decorating Ideas for Your Kitchen - Already have a lot of this stuff .. open shelves to display and use things
Vintage Home in Illinois (3)
These are in a 1930s general store museum. Wonder what the products looked like in 1880s, or did they just buy everything in bulk?
Sweet pantry door...
vintage dish pantry...BIG OLD HOUSES: Preservation Triage in Providence
Vintage door for pantry, or laundry room!
Zoning your pantry helps you see what food you have, what you need to restock, and where the groceries belong.