Craft a mesmerizing Cybercore masterpiece that envisions a future that never came to be. Picture a rusty VW Beetle in a sprawling metropolis bathed in neon lights and pulsating with a vibrant, futuristic energy. Skyscrapers soar into the sky, their sleek, angular designs reflecting the glow of holographic billboards and digital displays. Hovering vehicles zip through the air, leaving trails of luminescent streaks in their wake. The streets below bustle with a diverse array of cybernetically enhanced individuals, their bodies adorned with glowing implants and intricate circuitry. The cityscape is a blend of advanced technology and retro-futuristic aesthetics, with towering megastructures and imposing mechanical behemoths dominating the skyline. The atmosphere is electric, charged with the promise of a tomorrow that never came to pass. The air crackles with the hum of machinery and the distant echo of synthetic music, creating a sense of wonder and nostalgia for a future that remains forever out of reach.