gamer, male, intense focus, wearing headset, casual clothing, holding mouse and keyboard, sitting in a dark room, computer screens glowing, action-packed gameplay on monitor, first-person shooter perspective, realistic textures, detailed weapon models, dynamic shadows, ambient lighting, mid-action pose, CSGO interface visible, team communication, strategic positioning, urban warfare environment, competitive atmosphere, high-stakes match, e-sports tournament vibe, close-up on hands and face, 3/4 view, high contrast lighting.