Luxurious penthouse, mountainous backdrop, verdant green roofing, lush vegetation, thriving plants, natural insulation, eco-friendly materials, energy-efficient design, snow-capped peaks, misty valleys, panoramic views, floor-to-ceiling windows, sleek modern architecture, minimalist decor, ambient lighting, cozy fireplaces, wooden accents, stone walls, rustic charm, alpine atmosphere, serene ambiance, shallow depth of field, 1/1 composition, warm color palette, realistic textures.