/* Keep the business coordinate plane in the site's neutral grey palette. */
.plane-shell {
  --plane-ink: #2b2c2f;
  --plane-line: #d7d7d7;
  border-color: var(--plane-line);
  background: #fafafa;
}
.plane-shell::before { background: none; }
.plane .axis-x, .plane .axis-y {
  background: var(--plane-line);
  box-shadow: none;
}
.plane .origin {
  width: 6px;
  height: 6px;
  background: #e6e6e6;
  box-shadow: 0 0 0 1px var(--plane-line);
}
.plane .quadrant {
  border: 0;
  background: #fafafa;
  color: var(--plane-ink);
  transform: none;
  box-shadow: none;
  transition: none;
}
.plane .quadrant::before {
  background: var(--plane-ink);
  clip-path: none;
  opacity: 0;
  transform: scale(1.035);
  transition: opacity .52s cubic-bezier(.22,1,.36,1), transform .72s cubic-bezier(.22,1,.36,1);
}
.plane .quadrant:hover, .plane .quadrant.active {
  transform: none;
  border-color: transparent;
  box-shadow: none;
}
.plane .quadrant:hover::before, .plane .quadrant.active::before {
  clip-path: none;
  opacity: 1;
  transform: scale(1);
}
.plane .quadrant h2 {
  transition: color .44s ease, transform .62s cubic-bezier(.22,1,.36,1);
}
.plane .quadrant:hover h2, .plane .quadrant.active h2 {
  color: #f5f5f5;
  transform: translateY(-2px);
}
.plane .quadrant:focus-visible { outline: 2px solid #858585; outline-offset: -5px; }
/* One shared ink surface stretches between cells, with a spring-driven edge. */
.plane.liquid-plane { isolation: isolate; }
.plane.liquid-plane .quadrant {
  z-index: auto;
  isolation: auto;
  overflow: visible;
  background: transparent;
}
.plane.liquid-plane .quadrant::before { display: none; }
.plane-ink {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  pointer-events: none;
  background: var(--plane-ink);
  will-change: transform, width, height, border-radius;
}
.plane.liquid-plane .quadrant h2 {
  position: relative;
  z-index: 2;
  color: var(--plane-ink);
  transform: none;
  transition: none;
}
.plane-label-light {
  position: absolute;
  inset: 0;
  color: #f5f5f5;
  pointer-events: none;
  clip-path: inset(0 100% 0 0);
}
.plane.liquid-plane .quadrant:hover h2,
.plane.liquid-plane .quadrant:focus-visible h2 { transform: none; }
.desktop-detail .content-sections > .section.active {
  animation: business-detail-in .52s cubic-bezier(.22,1,.36,1) both;
}
@keyframes business-detail-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .plane .quadrant::before, .plane .quadrant h2 { transition: none; }
  .plane .quadrant:hover h2, .plane .quadrant.active h2 { transform: none; }
  .desktop-detail .content-sections > .section.active { animation: none; }
  .plane.liquid-plane .quadrant h2 { transition: none; transform: none; }
}