/* ===============================
   FLOAT BUTTON
================================ */

.float {
  position: fixed;
  width: 60px;
  height: 60px;

  right: 20px;
  bottom: 24px;

  border-radius: 50%;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
  z-index: 9999;

  /* oculto al inicio */
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.9);
  transition: opacity .35s ease, transform .35s ease;
}

.float.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.float img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.float:hover {
  transform: scale(1.05);
}

/* ===============================
   MOBILE FIX REAL
================================ */

@media (max-width: 576px) {
  .float {
    width: 52px;
    height: 52px;

    right: 50px;

    /* clave: lo subimos de verdad */
    bottom: calc(96px + env(safe-area-inset-bottom));
  }
}


/* mobile: sin hover, sin salto */
@media (hover: none) and (pointer: coarse) {
  .float:hover {
    transform: none !important;
  }
}