A hyper-realistic bipedal futuristic tank, heavy industrial walker, standing on two powerful mechanical hydraulic legs with digitigrade joints. The main body is a low-profile armored hull. At the head/top is a rotating unmanned spherical turret equipped with a dual-barreled railgun and advanced sensor arrays. Thick sloped composite armor plating, desert digital camouflage, exposed pistons and wiring in the leg joints. Weathered metal texture, matte finish, cinematic lighting. Hard-surface sci-fi design, 8k resolution, highly detailed mechanical engineering aesthetic, standing in a neutral pose on a flat surface.