Act as a visionary urban architect with expertise in futuristic city planning and magnetic technology. Design a sprawling metropolis where all buildings, infrastructure, and transportation systems are suspended by advanced magnetic fields. Describe the [CITY'S NAME], its [UNIQUE ARCHITECTURAL STYLE], and the [SOCIAL IMPACT] of living in a gravity-defying environment. Include details on how the magnetic suspension system works, the materials used for construction, and how residents navigate the vertical and horizontal spaces. Consider the environmental benefits, potential hazards, and the cultural significance of a city that floats above the ground. Provide a vivid, immersive description that captures the awe and wonder of this technological marvel.