post-apocalyptic environment, abandoned buildings, overgrown vegetation, Fallout 3 style, character with high agility, vault jumpsuit, Pip-Boy on arm, sneaking posture, light-footed, dynamic action, ruins of Washington D.C., scattered debris, rusty textures, weathered structures, leather boots, utility belt with gadgets, short hair, focused expression, ambient lighting, dramatic shadows, 3/4 view, action shot, desaturated colors, gritty atmosphere, dust particles in air, survival gear.