modernist exterior shot rendering of a modern comfortable sauna cabin with a sleek dark black exterior made from blackened burnt wood planks the interior should be welcoming with warm ambient lighting that highlights the benches and smooth polished wooden walls in natural light brown tones the windows should be large offering a glimpse of the serene intimate atmosphere inside upgrade the exterior lighting to create a welcoming glow at the entrance and provide a soft unobtrusive background that complements the sophisticated look of the sauna overall the atmosphere should be relaxing and luxurious exuding warmth and comfort architecture
