Luxurious mountainous penthouse, sleek modern architecture, vast open terraces, breathtaking panoramic views, lush green roofing, thriving vegetation, native plant species, natural insulation, energy efficiency, reduced carbon footprint, sustainable living, eco-friendly materials, wooden accents, stone walls, floor-to-ceiling windows, sliding glass doors, cozy outdoor seating areas, warm ambient lighting, soft misty mornings, 3/4 composition, shallow depth of field, realistic textures.