/* ===== WHATSAPP FLOATING BUTTON ===== */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.whatsapp-btn {
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.6rem;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: background 0.3s ease, transform 0.3s ease;
  position: relative;
}

.whatsapp-btn:hover {
  background: #1da851;
  transform: scale(1.05) translateY(-3px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn:active {
  transform: scale(0.98) translateY(-1px);
}

.whatsapp-tooltip {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 1rem;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.whatsapp-float:hover .whatsapp-tooltip,
.whatsapp-float:focus-within .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 768px) {
  .whatsapp-tooltip {
    display: none;
  }

  .whatsapp-float {
    bottom: 1.5rem;
    left: 1.5rem;
  }

  .whatsapp-btn {
    width: 50px;
    height: 50px;
    font-size: 1.4rem;
  }
}