Lakefront penthouse, streamline moderne style, luxurious interior, floor-to-ceiling windows, panoramic view, sleek lines, minimal ornamentation, polished marble floors, high ceilings, modern chandelier, plush sectional sofa, glass coffee table, minimalist TV stand, large abstract art piece, sliding glass doors, spacious balcony, lake views, sailboats, seagulls flying overhead, sunset time, warm golden light, soft ambient glow, 3/4 composition, depth of field, cinematic lighting.