:root {
  --support-shadow: 0 18px 34px rgba(0, 0, 0, 0.35);
}

.support-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--negro);
  display: grid;
  place-items: center;
  text-decoration: none;
  box-shadow: var(--support-shadow);
  border: 1px solid rgba(52, 211, 255, 0.4);
  z-index: 2200;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.support-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 40px rgba(52, 211, 255, 0.25);
}

.support-fab i {
  font-size: 1.4rem;
}

.support-label {
  position: absolute;
  right: 66px;
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: rgba(15, 22, 35, 0.92);
  color: var(--blanco);
  border: 1px solid rgba(52, 211, 255, 0.2);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}

.support-fab:hover .support-label {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@media (max-width: 640px) {
  .support-fab {
    width: 52px;
    height: 52px;
    right: 18px;
    bottom: 18px;
  }

  .support-label {
    display: none;
  }
}