We've talked about an appliance garage with cabinets above, but I kind of like this sliding door option. [Thin sliding cabinet doors in a kitchen by Germany company Beeck Kuchen conceal countertop clutter.
This may work for stairs on garage-Energy efficient LED stair lights by Trex Deck Lighting. Looks good and serves a great purpose. Led lighting is bright and uses much less energy then the regular lights people are used to.