.hz-robot {
  position: fixed;
  left: 12px;
  bottom: 35%;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  animation: hz-flota 2.6s ease-in-out infinite;
}
.hz-robot:hover { color: #fff; }

.hz-circulo {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c3aed, #2563eb);
  animation: hz-pulso 2.2s infinite;
}
.hz-svg { width: 58px; height: 58px; }

.hz-nuevo {
  position: absolute;
  top: -4px;
  right: -8px;
  background: #fde68a;
  color: #1c2d78;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 3px 7px;
  border-radius: 8px;
}
.hz-etiqueta {
  background: #dc2626;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .25);
}

@keyframes hz-flota {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes hz-pulso {
  0%   { box-shadow: 0 8px 24px rgba(37, 99, 235, .45), 0 0 0 0 rgba(124, 58, 237, .55); }
  70%  { box-shadow: 0 8px 24px rgba(37, 99, 235, .45), 0 0 0 16px rgba(124, 58, 237, 0); }
  100% { box-shadow: 0 8px 24px rgba(37, 99, 235, .45), 0 0 0 0 rgba(124, 58, 237, 0); }
}

@media (max-width: 640px) {
  .hz-circulo { width: 64px; height: 64px; }
  .hz-svg { width: 44px; height: 44px; }
}