.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.whatsapp-float__popup {
  display: none;
  max-width: 280px;
  background: #fff;
  color: #353e42;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(25, 45, 87, 0.18);
  padding: 16px 18px;
  font-family: Inter, Kanit, sans-serif;
  font-size: 14px;
  line-height: 1.45;
  animation: whatsapp-pop-in 0.25s ease;
}

.whatsapp-float.is-open .whatsapp-float__popup {
  display: block;
}

.whatsapp-float__popup strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
}

.whatsapp-float__popup a {
  display: inline-flex;
  margin-top: 10px;
  color: #25d366;
  font-weight: 600;
}

.whatsapp-float__btn {
  width: 60px;
  height: 60px;
  border: none;
  border-radius: 50%;
  background: #25d366;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float__btn:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.55);
}

.whatsapp-float__btn img {
  width: 32px;
  height: 32px;
  filter: brightness(0) invert(1);
}

@keyframes whatsapp-pop-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .whatsapp-float {
    right: 16px;
    bottom: 16px;
  }

  .whatsapp-float__btn {
    width: 56px;
    height: 56px;
  }
}