/* WhatsApp floating action button */
.km-wa-fab {
  position: fixed;
  right: 1.15rem;
  bottom: 1.15rem;
  z-index: 55;
  width: 58px;
  height: 58px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: #fff;
  background: #25d366;
  box-shadow:
    0 0 0 10px rgba(37, 211, 102, 0.18),
    0 10px 24px rgba(18, 140, 70, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}
.km-wa-fab:hover {
  transform: translateY(-2px) scale(1.03);
  background: #1ebe57;
  box-shadow:
    0 0 0 12px rgba(37, 211, 102, 0.22),
    0 14px 28px rgba(18, 140, 70, 0.4);
}
.km-wa-fab:focus-visible {
  outline: 2px solid #128c7e;
  outline-offset: 3px;
}
.km-wa-fab svg {
  display: block;
}

@media (max-width: 767px) {
  .km-wa-fab {
    right: 0.9rem;
    bottom: calc(4rem + env(safe-area-inset-bottom, 0px) + 0.85rem);
    width: 54px;
    height: 54px;
    box-shadow:
      0 0 0 8px rgba(37, 211, 102, 0.18),
      0 8px 20px rgba(18, 140, 70, 0.32);
  }
  .km-wa-fab svg {
    width: 26px;
    height: 26px;
  }
}