A hyper-realistic portrait of a dog in a cyberpunk style, showcasing an alert pose. The dog wears a sleek bionic helmet and Iron Man-inspired golden armor with chrome plating. The scene is illuminated with bright red and yellow contrasting backlights, accentuating the dog's intricate details. Rendered in ultra-high definition, the image features a seamlessly blended background and sharp textures. The focus remains on the dog's intense expression, embodying a futuristic warrior essence, set against a vibrant cityscape. All visual elements align to create a captivating, imaginative portrayal with a polished and refined finish.