.whatsapp-float {
  --wa: #1b9146;
  --size: 56px;
  --radius: 14px;
  --shadow: 0 6px 18px rgba(0, 0, 0, .15);
  --shadow-hover: 0 8px 22px rgba(0, 0, 0, .20);
  --type-steps: 10;

  position: fixed;
  inset: auto 20px 20px auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: var(--size);
  min-width: var(--size);
  padding: 0 14px;

  color: #fff;
  border-radius: 999px;
  box-shadow: var(--shadow);
  cursor: pointer;
  text-decoration: none;
  z-index: 999;
  transition:
    transform .18s ease,
    box-shadow .18s ease,
    background-color .18s ease;
}


.whatsapp-float i {
  display: grid;
  place-items: center;
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  background: var(--wa);
  color: #ffffff;
  font-size: calc(var(--size) * .48);
  transition: transform .18s ease;
}


.wa-label {
  position: relative;
  color: rgb(255, 107, 223);
  font: 500 14px/1.1 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  letter-spacing: 1.2px;
  white-space: nowrap;
  overflow: hidden;
  max-width: 0;
  opacity: .0;
  transition: max-width 1.5s ease, opacity 1.5s ease;
}

.wa-label::after {
  content: attr(data-text);
  font-feature-settings: "ss01" 1;
  border-right: 1px solid rgba(255, 255, 255, .6);
  padding-right: 2px;
  display: inline-block;
  width: 0ch;
  overflow: hidden;
}

.whatsapp-float:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  background-color: #0d0d0d;
}

.whatsapp-float:hover i {
  transform: scale(1.04);
}

.whatsapp-float:hover .wa-label {
  opacity: 1;
  max-width: 18ch;
}


.whatsapp-float:hover .wa-label::after {
  animation: wa-type .9s steps(var(--type-steps)) forwards, wa-caret .9s steps(1) forwards;
}


.whatsapp-float:focus-visible {
  outline: 3px solid color-mix(in oklab, var(--wa), white 20%);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {

  .whatsapp-float,
  .whatsapp-float i,
  .wa-label,
  .wa-label::after {
    transition: none !important;
    animation: none !important;
  }

  .whatsapp-float:hover {
    transform: none;
  }

  .whatsapp-float:hover .wa-label {
    opacity: 1;
    max-width: 18ch;
  }

  .wa-label::after {
    width: auto;
    border-right: 0;
  }
}

@keyframes wa-type {
  from {
    width: 0ch;
  }

  to {
    width: 100%;
  }
}

@keyframes wa-caret {

  0%,
  100% {
    border-right-color: rgba(255, 255, 255, .0);
  }

  50% {
    border-right-color: rgba(255, 255, 255, .8);
  }
}

@media (prefers-color-scheme: light) {
  .whatsapp-float {
    background: #ffffff;
    color: #0b1f12;
  }

  .whatsapp-float:focus-visible {
    outline-color: color-mix(in oklab, var(--wa), black 20%);
  }
}