Edit the supplied BrainFC hero. The user likes the new centered composition but dislikes the black background.
Change ONLY the color and material treatment to a luminous warm light theme while preserving the exact arrangement, central brain anatomy and node/edge layout, three inset panels, all exact labels, and the installation command. Replace the entire near-black background and dark ground with warm pearl / ivory (#f3f0e8) gently shaded toward a very pale sage-gray, with a soft natural studio shadow below the suspended brain. This must feel clean, calm, sophisticated and comfortably readable on a light GitHub page, not washed out. Change title and all typography to dark charcoal-teal for high contrast. Convert dark data-panel backgrounds to subtle translucent ivory glass with a fine muted green-gray border. Render the central brain as pale sage-blue frosted crystal with clear dark sage fold definition, softly translucent interior, tasteful copper-gold and deep turquoise nodes and connections; keep the 3D depth, avoid blinding bloom. Keep the heatmap a legible symmetric muted teal-white-copper diverging matrix. Keep the MRI a plausible grayscale axial slice. The eight mini brains remain in exactly a 2 by 4 grid. Preserve "BrainFC", "Functional connectivity, made visible.", "Connectivity matrix", "fMRI / ROI signals", "Eight anatomical views", "pip install brainfc", "Python API / Local GUI / 3D". No new text or objects. Overall refined warm-white, sage, copper scientific editorial art. Do not return to a blue-gray left-to-right pipeline, do not add Python cube, particle ribbon, or pale-blue hardware. Maintain generous balance and crisp scientific-product visual identity.
