.wa-float {
  position: fixed;
  inset-inline-end: 18px;
  bottom: 18px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #20c45a 0%, #0d9f45 100%);
  border: 0;
  box-shadow: 0 12px 24px rgba(13, 159, 69, 0.35);
  color: #fff;
  font-family: Arial, sans-serif;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
  z-index: 180;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.wa-float:hover {
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 16px 30px rgba(13, 159, 69, 0.4);
}

.wa-float img {
  width: 31px;
  height: 31px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

@media (max-width: 640px) {
  .wa-float {
    width: 54px;
    height: 54px;
    inset-inline-end: 14px;
    bottom: 14px;
  }

  .wa-float img {
    width: 29px;
    height: 29px;
  }
}