gamer, male, intense focus, wearing headset, casual t-shirt, jeans, sitting in ergonomic chair, desktop setup, multiple monitors, keyboard, mouse, dimly lit room, LED lights, posters on wall, action pose, mid-gameplay, first-person shooter on screen, CSGO interface visible, high concentration, fast reflexes, strategic thinking, team communication, competitive atmosphere, indoor, artificial lighting, close-up on hands and face, dynamic angle, high contrast shadows.