a vibrant, stylized digital artwork showcases a futuristic urban scene with illuminated buildings and billboards in

vibrant stylized digital artwork urban scene cityscape buildings large windows illuminated billboards vivid colors pink purple blue green advertising river middle town reflection lights architecture lighting effects futuristic fantastical setting soft clouds calm evening atmosphere serene lively ambiance overall composition tranquility beauty no people text abstract art background texture pattern design colorful creative modern geometric shapes lines concept dynamic energy motion graphic ai generated