A jaw-dropping, photorealistic vertical portrait of a [Age]-year-old man celebrating his birthday in space. He is wearing a sleek, high-tech astronaut suit inside a space station with Earth visible through the window. He is holding a floating futuristic birthday cake with a glowing lit candle. Zero-gravity birthday balloons and colorful confetti are floating around him in the air. Portrait orientation, 9:16 aspect ratio. STRICT INSTRUCTION: Strictly preserve the exact facial features of the uploaded image. The face must match the reference photo 100%. Highly detailed, 8k.