3D Model: 3D Render Of A Human Brain Model Viewed From The Front, Perfectly Split Down The Center Into Two Equal Hemispheres. Left Side: Vibrant Cyan/turquoise Blue. Right Side: Deep Golden Orange (not Yellow). Each Hemisphere Should Be A Complete Half-sphere With Realistic Brain Folds And Grooves On The Surface. CRITICAL: The Brain Should End Cleanly At The Bottom With No Brain Stem, No Tail, No Extensions, No Attachments - Just A Flat Or Slightly Rounded Bottom Edge. The Two Halves Should Meet Seamlessly At The Center Division Line. Smooth Matte Finish With Soft Lighting. Clean Light Gray Background With Subtle Drop Shadow Beneath The Brain. The Brain Should Appear To Be Resting Or Floating Just Above The Surface. No Other Objects Or Elements In The Scene.