:root {
  --carte-rouge: #d32f2f;
  --carte-noir: #1a1a2e;
}


.cartes-svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}


.carte-svg {
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}


.c-idx {
  transform: scale(1.1, 0.97);
  transform-box: fill-box;
}
.c-idx-haut { transform-origin: left top; }
.c-idx-bas { transform-origin: right bottom; }


@media (max-width: 600px) {
  .c-idx { transform: scale(1.15, 1); filter: url(#idx-gras); }
}