Product-style VFX reference sheet: a single modern magic portal floating in the center, on a plain flat neutral light-grey studio background, nothing else in the image, no room, no floor, no people, no text. The portal is forming from light: thousands of tiny glowing cyan-white particles stream in thin threads and spiral into a luminous round aperture about the height of an adult, its center opening onto a deep turquoise underwater world with sunbeams, coral and jellyfish. High-tech hologram feel, airy and elegant, photoreal high-end film VFX.
