A retro-futuristic submarine descends into the darkness of the deep ocean, its lights illuminating a complex network of seaweed and coral formations. The volume of light casts long shadows on the seafloor, highlighting intricate details on the submarine's hull and the distant forms of giant squid. A vintage entomological diagram floats in mid-water, surrounded by a school of bioluminescent fish, their scales shimmering like tiny stars, epiCRealism, eye catching, chiaroscuro, low-key, great lighting, corcoc2s, c2s,corcoc3s, c3s