Bioluminescent Deep Sea Diver Concept Portrait

Sci-fi environmental character concept portrait of a courageous 30-year-old male deep-sea aquanaut diver looking out from inside a retro-futuristic diving helmet visor. His face inside the helmet is illuminated by soft internal blue dashboard lights, showing focused sweat-beaded skin and wide curious eyes reflecting mysterious glowing underwater life. He wears a heavy pressure-reinforced deep-sea diving suit with rubberized dark blue textures, thick steel ring collars, brass pressure valves, and bright yellow accents. Behind him lies an uncharted abyssal ocean floor filled with giant bioluminescent jellyfish floating like ethereal lanterns, strange glowing coral reefs in neon magenta and cyan, floating luminous plankton spores, and ancient sunken alien ruins in the murky background distance. Ambient underwater lighting with dramatic contrast: intense deep electric blue water backdrop, vivid cyan and hot pink bioluminescence illuminating his helmet visor and suit, softly filtered sunbeams fading from far above. Medium close-up shot framing, strong rule-of-thirds composition, water droplet and floating spore depth layers in foreground. Shot with 50mm lens look, hyper-detailed render, aquatic sci-fi visual style, Subnautica meets Abyss concept art aesthetic.