/*
 * SORKISTx Block — contact-whatsapp
 */

.whatsapp-float {
  position: fixed;
  inset-block-end: calc(var(--space-6) + 60px); /* above back-to-top */
  inset-inline-end: var(--space-6);
  z-index: var(--z-fixed);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: #25d366;
  color: #fff;
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-4);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  box-shadow: var(--shadow-button);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.whatsapp-float--start {
  inset-inline-end: auto;
  inset-inline-start: var(--space-6);
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
}

.whatsapp-float__label {
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  transition: max-width 0.35s ease, opacity 0.35s ease;
  opacity: 0;
}

.whatsapp-float:hover .whatsapp-float__label,
.whatsapp-float:focus-visible .whatsapp-float__label {
  max-width: 200px;
  opacity: 1;
}

/* Pulse ring */
.whatsapp-float--pulse::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  background: #25d366;
  animation: whatsapp-pulse 2.5s ease-out infinite;
  z-index: -1;
}

@keyframes whatsapp-pulse {
  0%   { transform: scale(1);   opacity: 0.6; }
  70%  { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float--pulse::before { animation: none; }
}