Luxurious penthouse, open floor plan, high ceilings, expansive windows, cityscape views, modern transitional style, neutral color palette, sleek lines, minimal ornamentation, polished marble floors, sophisticated lighting fixtures, comfortable lounge seating, stylish area rugs, elegant dining zone, gourmet kitchen, high-gloss cabinetry, stainless steel appliances, spacious master bedroom, plush carpeting, spa-inspired en-suite bathroom, freestanding tub, rainfall showerhead, abundant natural light, airy atmosphere, panoramic city views, 1/2 composition, warm softbox lighting, detailed textures, subtle ambient occlusion.