Modern Transit Station Ad Scene

Create a realistic modern transit-station advertising scene for the {argument name="brand" default="Energy Drink brand ZestSip"} three large illuminated billboard posters mounted side by side on a sleek wall. The advertising are playful and energetic. The environment should feel like a premium subway station or underground corridor, with a polished floor. architectural wall panels, bright rectangular ceiling light panels overhead. and a stair rail-ing visible in the lower left foreground.