sustainable design exterior shot create a detailed architectural cross section of a modern multi story building use a harmonious combination of soft cream and light beige for the walls contrasted with sleek charcoal gray for staircases and railings incorporate warm wooden tones for floors and furniture bringing a sense of coziness to the interior add subtle ambient lighting throughout each floor casting gentle shadows and creating a welcoming atmosphere inhabit the spaces with minimalistic modern furniture and lively indoor plants for a touch of nature the overall ambiance should be sophisticated inviting and serene reflecting a balance between contemporary design and comfortable living spaces architecture
