When Apple unveiled its new low-cost MacBook Neo laptop in early March, it did so with the flashy launch video seen above. While some of it is CGI, much of it has very practical roots, as Apple revealed today in a new behind-the-scenes video. Apple’s low-cost MacBook Neo has proven to be a smash hit for the Cupertino tech giant. Shortly after its launch, outgoing Apple CEO Tim Cook described the Neo’s launch period as Apple’s “best launch week ever for first-time Mac customers.” The $599 notebook has clearly struck a chord with customers, and shipping estimates for different colors and configurations are still weeks out. Apple’s behind-the-scenes YouTube Short offers a fairly rare look at how super-polished marketing videos are shot and edited. Apple is no stranger to heavily relying on in-camera, practical effects, as it demonstrated with its new Apple TV logo splash screen last fall, but even still, it’s perhaps surprising just how much of the MacBook Neo intro video is real .…