Desktop swaps to the flowing thin-line waves (they blend clean against the cream;
C's cool-gray background never did) with the Manus-style left-edge paper fade
restored. Mobile keeps the C loop Mike approved (rotated 90deg, centered, tinted).
JS chooses the source by viewport at load. Drop the unused comparison clips.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
