/* ==========================================================================
   WHATSAPP-FLOAT.CSS — CV-Ketel Onderhoud
   Zwevende WhatsApp-knop rechtsonder (premium design)
   ========================================================================== */

.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 4px 14px rgba(37, 211, 102, 0.35),
    0 1px 3px rgba(0, 0, 0, 0.1);
  z-index: 998;
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
  cursor: pointer;
}

.whatsapp-float:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow:
    0 8px 24px rgba(37, 211, 102, 0.4),
    0 2px 6px rgba(0, 0, 0, 0.1);
}

.whatsapp-float:active {
  transform: scale(0.96);
  box-shadow:
    0 2px 8px rgba(37, 211, 102, 0.3),
    0 1px 2px rgba(0, 0, 0, 0.1);
}

.whatsapp-float svg {
  width: 34px;
  height: 34px;
  fill: #fff;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

/* Subtiele pulse ring */
.whatsapp-float::after {
  content: '';
  position: absolute;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.4);
  z-index: -1;
  animation: whatsapp-ring 2.5s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes whatsapp-ring {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  80% {
    transform: scale(1.6);
    opacity: 0;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

/* Tooltip bij hover */
.whatsapp-float-tooltip {
  position: absolute;
  right: 76px;
  top: 50%;
  transform: translateY(-50%) translateX(4px);
  background: #fff;
  color: #1E3A4F;
  font-family: var(--font-body, 'Open Sans', sans-serif);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.06);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.whatsapp-float:hover .whatsapp-float-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* Tooltip pijltje */
.whatsapp-float-tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 6px solid #fff;
}

/* Mobiel: verbergen — sticky CTA balk heeft al WhatsApp knop */
@media (max-width: 768px) {
  .whatsapp-float {
    display: none;
  }
}