Hyperrealistic 8K masterpiece, skilled Argentine gaucha horse trainer in the vast pampas, beautiful young woman with perfect symmetrical face, highly detailed realistic facial features, sharp intense eyes, fierce focused expression, natural skin texture, athletic build, authentic attire, bombacha trousers, leather boots with iron spurs, wide gaucho hat, cotton shirt, neck scarf, wide guaicá belt, flowing poncho, bronc riding a wild Criollo horse bucking violently -- horse rearing high with arched back, all four legs off ground kicking wildly, mane and tail flying, explosive dust clouds, gripping reins tightly with one hand, other arm raised high, dramatic golden hour lighting with warm tones and long shadows, low dynamic side angle showing full face clearly, ultra-detailed muscles and textures, epic cinematic atmosphere, photorealistic