Craft a mesmerizing image of a robotic scarabaeus beetle in a captivating steampunk style. The scarabaeus beetle, with its metallic exoskeleton intricately engraved with gears and cogs, gleams under the soft glow of gas lamps. Its wings, a symphony of brass and copper, shimmer as they catch the flickering light, while steam billows elegantly from its joints. The scarabaeus stands poised on mechanical legs, each joint meticulously crafted with precision engineering. Its eyes, glowing with a fiery intensity, reflect the industrial beauty of the steampunk world that surrounds it. In the background, a backdrop of Victorian-era architecture and towering smokestacks creates a rich, immersive setting for this mechanical marvel.