/* ── Sous-menu déroulant (menu "Nos Maisons" etc.) ── */
.nav-item{position:relative;display:flex;align-items:center}
.nav-caret{font-size:.6rem;margin-left:2px;color:var(--texte-ter);transition:transform .2s}
.nav-item:hover .nav-caret{transform:rotate(180deg);color:var(--or)}
.nav-dropdown{
  position:absolute;top:100%;left:0;min-width:220px;
  background:white;border:1px solid var(--gris);
  box-shadow:0 12px 30px rgba(0,0,0,.08);
  padding:.5rem 0;opacity:0;visibility:hidden;
  transform:translateY(6px);transition:all .2s;
  z-index:50;
}
.nav-item:hover .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown a{
  display:block;padding:.6rem 1.25rem;font-size:.78rem;
  color:var(--texte-sec);white-space:nowrap;
}
.nav-dropdown a:hover{background:var(--creme);color:var(--or)}