Luxurious lakefront penthouse, streamline moderne style, spacious open-plan living area, floor-to-ceiling windows, breathtaking lake views, panoramic vistas, sleek low-profile furniture, polished chrome accents, cream-colored leather sofas, geometric patterned rugs, minimalist decor, modern abstract artwork, ambient soft lighting, 3/4 composition, cinematic angles, morning sunlight, subtle misty atmosphere, surrounding lush greenery, distant sailboats on the lake.