Jellyfish Ocean City

Vertical premium 3D poster image, surreal underwater city grown from bioluminescent jellyfish architecture, glass domes, coral balconies, tiny glowing transit pods, soft aquatic particles, deep ocean twilight, rays of light from the surface, turquoise, violet, pearl, and deep indigo palette, cinematic environmental design, ultra detailed 3D render, dreamy but polished, strong depth layers, elegant poster composition with negative space near the top, no text, no logo, no watermark.