Geometric underwater bioluminescent city rising from algorithmic abyssal depths, Voronoi cellular coral towers forming sacred geometry architectural proportions, fractal subdivisioned light-emitting organisms creating ethereal neon pathways, iridescent metallic aquamarine sapphire and pearl surfaces catching ethereal deep sea glow, pure black void background, clean sharp vector lines, digital brutalist marine architecture, mathematical generative urbanism, ethereal mathematical bioluminescence radiating from algorithmic oceanic metropolis, stunningly beautiful