Astronaut Floating in Submerged Void

Cinematic full-body shot of an astronaut in a detailed white deep-space extravehicular suit suspended upside down inside a dark submerged water facility, gold-coated helmet visor reflecting glowing blue underwater LED array lamps, water particulate specks suspended around the suit like stars in space, small bubbles venting from the suit backpack floating slowly toward the illuminated upper surface, deep dark blue water creating the illusion of outer space, high-tech subaquatic training facility environment with faint metallic structures visible in the far background depth, centered dramatic composition, captured with 35mm anamorphic prime lens, subtle film grain, high contrast shadows, hyperrealistic texture on fabric suit seams and gold reflective visor, futuristic cinematic tone.