.ktl-whatsapp-float {
  --ktl-whatsapp-accent: var(--copper, var(--orange, #d46a2e));
  --ktl-whatsapp-accent-dark: var(--copper-dark, var(--orange-dark, #b84f18));
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 1080;
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  background: var(--ktl-whatsapp-accent);
  color: #fff;
  box-shadow: 0 12px 28px rgba(111, 48, 18, 0.26);
  text-decoration: none;
  isolation: isolate;
  transition: transform 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.ktl-whatsapp-float::before,
.ktl-whatsapp-float::after {
  position: absolute;
  z-index: -1;
  inset: -1px;
  border: 1px solid var(--ktl-whatsapp-accent);
  border-radius: inherit;
  content: "";
  animation: ktl-whatsapp-pulse 2.4s ease-out infinite;
}

.ktl-whatsapp-float::after {
  animation-delay: 1.2s;
}

.ktl-whatsapp-float:hover,
.ktl-whatsapp-float:focus-visible {
  background: var(--ktl-whatsapp-accent-dark);
  box-shadow: 0 14px 32px rgba(111, 48, 18, 0.34);
  color: #fff;
  outline: none;
  transform: translateY(-3px) scale(1.04);
}

.ktl-whatsapp-float:focus-visible {
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.95), 0 0 0 6px var(--ktl-whatsapp-accent), 0 14px 32px rgba(111, 48, 18, 0.34);
}

.ktl-whatsapp-float svg {
  width: 27px;
  height: 27px;
  fill: currentColor;
}

.ktl-whatsapp-label {
  position: absolute;
  right: calc(100% + 13px);
  width: max-content;
  max-width: 190px;
  padding: 9px 12px;
  border-radius: 8px;
  background: #11231b;
  box-shadow: 0 9px 24px rgba(17, 35, 27, 0.2);
  color: #fff;
  font: 700 0.75rem/1.2 Arial, sans-serif;
  letter-spacing: 0.02em;
  opacity: 0;
  pointer-events: none;
  transform: translateX(8px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.ktl-whatsapp-float:hover .ktl-whatsapp-label,
.ktl-whatsapp-float:focus-visible .ktl-whatsapp-label {
  opacity: 1;
  transform: translateX(0);
}

@keyframes ktl-whatsapp-pulse {
  0% {
    opacity: 0.72;
    transform: scale(0.92);
  }

  72%,
  100% {
    opacity: 0;
    transform: scale(1.36);
  }
}

@media (max-width: 640px) {
  .ktl-whatsapp-float {
    right: 17px;
    bottom: 17px;
    width: 50px;
    height: 50px;
  }

  .ktl-whatsapp-float svg {
    width: 25px;
    height: 25px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ktl-whatsapp-float,
  .ktl-whatsapp-label {
    transition: none;
  }

  .ktl-whatsapp-float::before,
  .ktl-whatsapp-float::after {
    animation: none;
  }
}