Luxurious lakefront penthouse, streamline moderne style, panoramic view, floor-to-ceiling windows, sleek minimalist interior, polished marble floors, low-profile furniture, abstract artwork, ambient lighting, soft pastel color scheme, mature lady, 35yo, elegant hairstyle, subtle makeup, designer dress, heels, champagne flute, enjoying sunset, serene atmosphere, gentle lake waves, sailboats in distance, surrounding lush greenery, misty mountains on horizon, warm golden hour light, cinematic composition, high-end finishes, sophisticated ambiance.