Luxurious penthouse, mountainous backdrop, lush green roofs, verdant vegetation, natural stone walls, wooden accents, floor-to-ceiling windows, panoramic views, snow-capped mountains, misty valleys, eco-friendly materials, sustainable design, energy-efficient systems, solar panels, rainwater harvesting, modern architecture, sleek lines, minimalist decor, cozy fireplaces, plush furnishings, ambient lighting, shallow depth of field, 3/4 composition, realistic textures, soft warm glow.