Tony HorganA cinematic, ultra-realistic video inside a modern, high-tech PC-building warehouse branded "Quantum PC." The warehouse is clean, spacious, and professionally lit with industrial lighting. Large "Quantum PC" banners and logos are prominently displayed on the walls and above the workstations. A skilled technician wearing a black Quantum PC t-shirt carefully assembles a premium custom gaming PC, installing components such as an RTX graphics card, liquid CPU cooler, RGB RAM, and neatly managed custom cables. Close-up shots show precise hands installing parts, tightening screws, routing cables, and powering on the system. RGB lighting comes to life inside the tempered glass case. The technician performs quality control, then places the finished gaming PC into premium branded Quantum PC packaging. Smooth cinematic camera movements, shallow depth of field, dramatic lighting, reflections on metal and glass, 4K ultra-detailed, premium tech commercial aesthetic, modern warehouse environment, realistic colours, professional product advertisement, no text except the Quantum PC branding, highly polished and luxurious.