Luxurious penthouse, mountainous landscape, rugged terrain, snow-capped peaks, evergreen trees, steep slopes, green roofing systems, lush vegetation, wildflowers, native plants, ecological balance, sustainable design, modern architecture, large windows, sliding glass doors, wooden accents, natural stone walls, cozy fireplaces, warm ambient lighting, shallow depth of field, 3/4 composition, panoramic views, realistic textures, ambient occlusion.