#ocean# Bioluminescent Coral Citadel: vast under-sea city grown from living neon coral; tiered coral skyscrapers bridged by organic arches; glowing cyan/indigo/magenta/lime veins; anemone domes; manta-ray taxis with light trails; drifting plankton in aquamarine shafts; lone diver for scale. STYLE: ultra-detailed cinematic, photoreal PBR, subsurface scattering, crisp caustics, high-freq displacement, soft volumetric god-rays, deep blues + neon accents. CAMERA: 35 mm hero shot at ~30 m, slight low-angle, horizon centred, depth-of-field fade. NEG: low-poly, flat lighting, hard shadows, blurred textures, visible polys, text, logos, oversaturation, noise.