A stunning close-up three-quarter portrait featuring a girl with a frowning yet innocent expression and a slender athletic figure in a dynamic action pose. She is adorned in a sleek combat exo armor suit equipped with a closed-system breathing mechanism and a compact sci-fi cosmic exo helmet. The high-tech glossy transparent visor of the helmet displays cinematic lighting on her face. The background showcases an intricately detailed interior reminiscent of "The Expanse" with neon and volumetric lighting creating an illuminated ambiance. The image captures hyper-photorealistic textures with natural reflections, revealing a cinematic glow on her hair and a bare neck with errant hair strands. Shot with a Canon EOS 5D Mark IV DSLR, the settings include an aperture of f/8, shutter speed of 1/250 sec, and ISO 100, ensuring deep focus, stunning detail, and precise lighting effects. The composition emphasizes gold tones and rivets, enhanced with symmetry, while meticulously avoiding distortions, ensuring an engaging and visually appealing representation.