Kling 1.6 (pro)
"Macro cinematic animation: a raw natural zircon crystal transforms into a precise, perfectly symmetrical transparent tetrahedron, then into a faceted gemstone like in fine jewelry, then into a silver 3D tetrahedron, and finally into a sleek luminous 3D logo. Smooth seamless transitions, glossy reflective surfaces, dark polished background, soft studio lighting, camera stationary.