Luxurious penthouse, floor-to-ceiling windows, sliding glass doors, panoramic city views, modern minimalist interior, sleek lines, polished marble floors, reflective surfaces, open-plan living area, spacious master bedroom, walk-in closet, freestanding tub, double-height ceiling, clerestory windows, skylights, solar tubes, LED lighting, warm beige tones, creamy whites, natural textiles, green walls, lush indoor plants, morning sunlight, soft warm glow, shallow depth of field, 1/1 composition, realistic rendering.