/* particles.css - solo afecta al contenedor decorativo */
#hsa-particles {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;          /* siempre detrás */
  pointer-events: none; /* no bloquea clics */
}

#hsa-particles > canvas {
  display: block;
  width: 100%;
  height: 100%;
}