sci fi smoke futuristic fog steam circle d rainbow purple pink blue glowing neon fluorescent laser ring portal gate light in

sci fi smoke futuristic fog steam circle shaped rainbow purple pink blue glowing neon fluorescent laser ring portal gate light dark concrete metal corridor tunnel 3d rendering illustration abstract background black bright design empty fashion floor future geometric glow interior led lights lines modern perspective reflection render room scifi science shape show space stage structure technology ultraviolet vibrant wall white