/* Botón flotante de WhatsApp inspirado en Uiverse.io por Gaurang7717. */
.whatsapp-floating {
  --whatsapp-green: #00d757; /* COLOR DEL BOTÓN: edita este valor para cambiar el verde. */
  --whatsapp-white: #fff;
  position: fixed;
  right: max(32px, calc(env(safe-area-inset-right, 0px) + 20px));
  bottom: max(72px, calc(env(safe-area-inset-bottom, 0px) + 32px));
  z-index: 45;
  display: flex;
  width: 45px;
  height: 45px;
  padding: 0;
  overflow: hidden;
  align-items: center;
  justify-content: flex-start;
  border: 0;
  border-radius: 50%;
  background: var(--whatsapp-green);
  color: var(--whatsapp-white);
  font-family: inherit;
  line-height: 1;
  text-decoration: none;
  box-shadow: 2px 2px 10px rgba(0, 0, 0, .2);
  cursor: pointer;
  isolation: isolate;
  transition: width .3s ease, border-radius .3s ease, transform .3s ease,
    opacity .3s ease, box-shadow .3s ease;
}

.whatsapp-floating,
.whatsapp-floating * {
  box-sizing: border-box;
}

.whatsapp-floating__sign {
  display: flex;
  width: 100%;
  height: 100%;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  transition: width .3s ease, padding-left .3s ease;
}

.whatsapp-floating__sign svg {
  display: block;
  width: 25px;
  height: 25px;
}

.whatsapp-floating__sign path {
  fill: var(--whatsapp-white);
}

.whatsapp-floating__label {
  position: absolute;
  right: 0;
  width: 0;
  overflow: hidden;
  opacity: 0;
  color: var(--whatsapp-white);
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
  transition: width .3s ease, padding-right .3s ease, opacity .3s ease;
}

.whatsapp-floating:is(.is-expanded, :focus-visible) {
  width: 150px;
  border-radius: 40px;
  box-shadow: 2px 4px 14px rgba(0, 0, 0, .26);
}

.whatsapp-floating:is(.is-expanded, :focus-visible) .whatsapp-floating__sign {
  width: 30%;
  padding-left: 10px;
}

.whatsapp-floating:is(.is-expanded, :focus-visible) .whatsapp-floating__label {
  width: 70%;
  padding-right: 10px;
  opacity: 1;
}

/* El hover sólo se activa en dispositivos con puntero preciso; así no queda pegado en móvil. */
@media (hover: hover) and (pointer: fine) {
  .whatsapp-floating:hover {
    width: 150px;
    border-radius: 40px;
    box-shadow: 2px 4px 14px rgba(0, 0, 0, .26);
  }

  .whatsapp-floating:hover .whatsapp-floating__sign {
    width: 30%;
    padding-left: 10px;
  }

  .whatsapp-floating:hover .whatsapp-floating__label {
    width: 70%;
    padding-right: 10px;
    opacity: 1;
  }
}

.whatsapp-floating:focus-visible {
  outline: 3px solid var(--whatsapp-white);
  outline-offset: 4px;
}

.whatsapp-floating:active {
  transform: translate(2px, 2px);
}

body.menu-open .whatsapp-floating,
body:has(dialog[open]) .whatsapp-floating {
  opacity: 0;
  pointer-events: none;
}

.whatsapp-floating.is-near-form {
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
}

/* ESCRITORIO: tamaño y ubicación aproximados a la referencia marcada. */
@media (min-width: 601px) {
  .whatsapp-floating {
    right: clamp(90px, 7.5vw, 140px);
    bottom: clamp(96px, 12vh, 130px);
    width: 72px;
    height: 72px;
  }

  .whatsapp-floating__sign svg {
    width: 40px;
    height: 40px;
  }

  .whatsapp-floating:is(.is-expanded, :focus-visible) {
    width: 210px;
  }

  .whatsapp-floating__label {
    font-size: 1.15rem;
  }
}

@media (min-width: 601px) and (hover: hover) and (pointer: fine) {
  .whatsapp-floating:hover {
    width: 210px;
  }
}

@media (max-width: 600px) {
  .whatsapp-floating {
    right: max(14px, calc(env(safe-area-inset-right, 0px) + 10px));
    bottom: max(24px, calc(env(safe-area-inset-bottom, 0px) + 14px));
  }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-floating,
  .whatsapp-floating__sign,
  .whatsapp-floating__label {
    transition: none;
  }
}