/* Opto Zero v3.59 — product back button + homepage contacts */

/* ===== PRODUCT PAGE: PC + mobile ===== */
.oc-product-back-wrap{
  display:flex;
  align-items:center;
  margin:0 0 10px;
}

.oc-product-back-btn{
  min-height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:0 13px;
  border:1px solid #dce5f0;
  border-radius:10px;
  background:#fff;
  color:#3b4b63!important;
  box-shadow:0 2px 8px rgba(31,47,73,.035);
  font-size:10.5px;
  line-height:1;
  font-weight:900;
  text-decoration:none!important;
  transition:background .15s ease,border-color .15s ease,color .15s ease,transform .15s ease;
}

.oc-product-back-btn i{
  color:#0d5de6;
  font-size:11px;
}

.oc-product-back-btn:hover{
  border-color:#b8cff2;
  background:#f4f8ff;
  color:#0d5de6!important;
}

.oc-product-back-btn:active{
  transform:translateY(1px);
}

/* ===== HOME CONTACT BUTTONS: PC ===== */
.oc-home-contact-dock{
  position:fixed;
  right:18px;
  bottom:22px;
  z-index:9400;
  display:flex;
  flex-direction:column;
  gap:8px;
}

.oc-home-contact-btn{
  min-width:132px;
  height:43px;
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:9px;
  padding:0 13px;
  border:1px solid rgba(255,255,255,.78);
  border-radius:13px;
  color:#fff!important;
  box-shadow:0 8px 22px rgba(26,43,72,.18);
  font-size:10.5px;
  line-height:1;
  font-weight:900;
  text-decoration:none!important;
  -webkit-tap-highlight-color:transparent;
  touch-action:manipulation;
  transition:transform .15s ease,box-shadow .15s ease;
}

.oc-home-contact-btn i{
  width:20px;
  text-align:center;
  font-size:18px;
}

.oc-home-contact-btn.is-whatsapp{
  background:#25d366;
}

.oc-home-contact-btn.is-phone{
  background:#0d5de6;
}

.oc-home-contact-btn:hover{
  color:#fff!important;
  transform:translateY(-1px);
  box-shadow:0 10px 25px rgba(26,43,72,.22);
}

/* ===== MOBILE ===== */
@media(max-width:767px){
  .oc-product-back-wrap{
    margin:0 0 9px!important;
  }

  .oc-product-back-btn{
    min-height:40px;
    padding:0 12px;
    border-radius:11px;
    font-size:11px;
  }

  .oc-product-back-btn i{
    font-size:12px;
  }

  /* Horizontal floating dock; large enough for finger, compact enough
     not to cover product cards. */
  .oc-home-contact-dock{
    right:8px;
    left:8px;
    bottom:9px;
    z-index:9400;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:7px;
    pointer-events:none;
  }

  .oc-home-contact-btn{
    min-width:0;
    width:100%;
    height:45px;
    justify-content:center;
    padding:0 10px;
    border-radius:13px;
    font-size:10.5px;
    pointer-events:auto;
    box-shadow:0 7px 20px rgba(26,43,72,.20);
  }

  .oc-home-contact-btn i{
    width:auto;
    font-size:18px;
  }
}

@media(max-width:380px){
  .oc-home-contact-btn{
    height:43px;
    padding:0 7px;
    font-size:9.5px;
  }

  .oc-home-contact-btn i{
    font-size:17px;
  }
}