.wa-float-fixed {
  position: fixed;
  right: 1.25rem;
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  z-index: 40;
  display: inline-flex;
  isolation: isolate;
}

.wa-fab {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 9999px;
  color: #25D366;
  text-decoration: none;
  cursor: pointer;
  background: linear-gradient(180deg, #14302A, #0C1B17);
  box-shadow: 0 16px 38px -16px rgba(0,0,0,.95), inset 0 0 0 1px rgba(201,164,76,.4);
  transition: transform .4s cubic-bezier(.22,1,.36,1), box-shadow .35s ease, color .3s ease;
}

.wa-fab:hover,
.wa-fab:focus-visible {
  transform: scale(1.08) rotate(-7deg);
  color: #2EE07A;
  box-shadow: 0 20px 46px -16px rgba(0,0,0,.98), inset 0 0 0 1px rgba(226,198,127,.65);
}

.wa-fab:active { transform: scale(.97) rotate(-4deg); }

.wa-rings {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: 9999px;
  pointer-events: none;
}

.wa-rings span {
  position: absolute;
  inset: 0;
  border: 1.5px solid rgba(201,164,76,.75);
  border-radius: 9999px;
  animation: wa-ring 3s cubic-bezier(.22,1,.36,1) infinite;
}

.wa-rings span:nth-child(2) { animation-delay: 1s; }

@keyframes wa-ring {
  0% { transform: scale(1); opacity: .65; }
  100% { transform: scale(1.75); opacity: 0; }
}

@keyframes wa-breathe {
  0%, 100% {
    box-shadow: 0 14px 34px -14px rgba(201,164,76,.55), inset 0 0 0 1px rgba(201,164,76,.4), 0 0 0 0 rgba(201,164,76,.32);
  }
  50% {
    box-shadow: 0 14px 34px -14px rgba(201,164,76,.55), inset 0 0 0 1px rgba(201,164,76,.4), 0 0 0 12px rgba(201,164,76,0);
  }
}

.wa-fab--breathe { animation: wa-breathe 3.4s ease-in-out infinite; }

@media (min-width: 640px) {
  .wa-float-fixed {
    right: 2rem;
    bottom: calc(2rem + env(safe-area-inset-bottom, 0px));
  }
}

@media (prefers-reduced-motion: reduce) {
  .wa-rings span,
  .wa-fab--breathe { animation: none !important; }
  .wa-fab { transition-duration: .001ms !important; }
}