.si-whatsapp {
  position: fixed;
  right: max(24px, env(safe-area-inset-right));
  bottom: max(24px, env(safe-area-inset-bottom));
  z-index: 580;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 10px 18px;
  border: 2px solid #fff;
  border-radius: 8px;
  color: #fff;
  background: #146c40;
  box-shadow: 0 3px 14px rgb(0 0 0 / 20%);
  font: inherit;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
}
.si-whatsapp svg { flex: none; width: 28px; height: 28px; }
.si-whatsapp:visited { color: #fff; }
.si-whatsapp:hover { color: #fff; background: #0d5430; }
.si-whatsapp:focus-visible { outline: 3px solid #b7d431; outline-offset: 4px; }
body.menu-open .si-whatsapp,
body:has(.sii-consent:not([hidden])) .si-whatsapp { visibility: hidden; }
@media (max-width: 820px) {
  .si-whatsapp {
    right: max(14px, env(safe-area-inset-right));
    bottom: calc(82px + env(safe-area-inset-bottom));
    width: 54px;
    padding: 10px;
    border-radius: 50%;
  }
  .si-whatsapp span { display: none; }
}