A cross-section of a glowing vertical honeycomb apartment under a starry sky

A detailed 2.5D isometric cross-section illustration of a stacked, multi-level modular apartment building floating against a dark navy starry sky. The structure resembles a vertical honeycomb or treehouse, with stylized bare tree branches supporting the rooms at the bottom. **Detailed Room Contents:** * **Top Level:** A music room with a black grand piano; an adjacent open balcony where a man stands playing a violin under a bright crescent moon. * **Upper-Mid Level:** A cozy living room where a woman hugs a black cat; a balcony filled with potted plants and a large white Samoyed dog sitting peacefully. * **Lower-Mid Level:** A modern kitchen with a chef cooking with steaming pots; a pantry area with a white fridge; a room with an indoor teepee tent decorated with string lights (indoor camping). * **Bottom Level:** A living room with a crackling fireplace and a man relaxing in an armchair; a gym room with a person on a stationary bike; a bedroom with a red duvet and a reading lamp. **Lighting & Atmosphere:** Deep midnight blue background representing the cold night air, contrasting sharply with the warm, inviting amber and orange glow spilling from the interior rooms. **Art Style:** Flat vector illustration, clean geometric lines, architectural visualization, orthographic view, vibrant colors, matte finish, Behance style, high definition. --ar 1:1