/* Retain the existing torus animation; colour only the common-volume project.
   The one-dimensional foliation, HamJEPA and research Chebyshev are unaffected. */
#common-volume-card-visual .pkv--foliation,
#minimizing-foliations-common-volume-hero .pkv--foliation {
  background:
    radial-gradient(circle at 27% 21%, rgba(71, 143, 151, .24), transparent 32%),
    radial-gradient(circle at 72% 31%, rgba(94, 77, 139, .23), transparent 34%),
    radial-gradient(circle at 54% 78%, rgba(53, 102, 114, .17), transparent 38%),
    linear-gradient(135deg, #0c1c27, #192a35 48%, #211e34) !important;
}

#common-volume-card-visual .pkv-canvas,
#minimizing-foliations-common-volume-hero .pkv-canvas {
  filter: brightness(.68) saturate(1.18);
}