Mujer atlética concentrada en el gimnasio con luz lateral dramática

indian base A young athletic woman with dark hair pulled back in a sleek ponytail, standing inside a modern high-end gym. She wears a fitted black sports bra and matching high-waist compression leggings with subtle mesh panels. Arms slightly crossed, jaw set, eyes fierce and focused directly into camera. Dramatic side lighting with deep shadows sculpting her toned physique. Dark industrial gym background with blurred equipment. Photorealistic, 8K, cinematic lighting, editorial fitness, shallow DOF, high contrast, film grain