/* ===== Selettore lingua InternoUno ===== */
#iu-lang-switch{
  position:relative;
  display:inline-block;
}
#iu-lang-btn{
  display:inline-flex;
  align-items:center;
  gap:0.35rem;
  background:transparent;
  border:1px solid rgba(255,255,255,0.35);
  color:#fff;
  border-radius:100px;
  padding:0.35rem 0.7rem;
  font-family:'Inter', sans-serif;
  font-size:0.78rem;
  font-weight:500;
  cursor:pointer;
  line-height:1;
}
#iu-lang-btn svg{ opacity:0.85; }
#iu-lang-menu{
  position:absolute;
  top:calc(100% + 8px);
  right:0;
  background:#fff;
  border-radius:10px;
  box-shadow:0 8px 28px rgba(0,0,0,0.18);
  padding:0.4rem;
  display:none;
  flex-direction:column;
  min-width:150px;
  z-index:300;
}
#iu-lang-menu.open{ display:flex; }
.iu-lang-opt{
  background:none;
  border:none;
  text-align:left;
  padding:0.55rem 0.8rem;
  border-radius:7px;
  font-family:'Inter', sans-serif;
  font-size:0.85rem;
  color:#3a352c;
  cursor:pointer;
}
.iu-lang-opt:hover{ background:#f3efe6; }

/* ===== Layout header: menu centrato, lingua a destra ===== */
@media (min-width: 721px){
  header{ position:relative; }
  header nav{
    position:absolute;
    left:50%;
    transform:translateX(-50%);
  }
}

/* ===== Logo piu' vicino al bordo sinistro ===== */
@media (min-width: 721px){
  header .logo{ margin-left:-2.5vw; }
}