Alper Demireci architecture design, modern villa, luxurious mansion, Istanbul, Bosphorus Strait, Mediterranean Sea, sunset, warm golden light, elegant exterior, white marble, glass railings, minimalist interior, high ceiling, grand chandelier, sleek lines, rich textures, lavish furnishings, designer furniture, intricate patterns, ornate details, symmetrical composition, 3/4 view, dramatic lighting, cinematic atmosphere.