Illustrate an apartment icon with a futuristic twist, featuring a sleek and metallic door with a glowing blue handle and a window with a holographic display, set against a dark and moody cityscape at night.

Design a stylized apartment icon with a whimsical touch, incorporating a cartoon-style door with a bright red doorknob and a window with a flowing white curtain, surrounded by lush greenery and a subtle gradient background.

Create an illustration of a modern apartment icon with a sleek and minimalist design, featuring a bold and colorful door with a sleek handle and a window with a subtle curtain, set against a clean and simple background with a hint of a cityscape in the distance.