/* ===== Menu déroulant « Qui sommes-nous ? » (commun à toutes les pages) ===== */
.dd{position:relative;display:flex;align-items:center}
.dd-btn{all:unset;cursor:pointer;display:inline-flex;align-items:center;gap:8px;font-family:var(--f-titre);font-weight:400;font-size:15.5px;color:var(--blanc);padding:6px 0;opacity:.85;transition:opacity .2s;position:relative}
.dd-btn:hover,.dd.open .dd-btn,.dd-btn.act{opacity:1}
.dd-btn::after{content:"";position:absolute;left:0;bottom:0;height:1.5px;width:calc(100% - 20px);background:var(--azur-clair);transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease)}
.dd-btn:hover::after,.dd-btn.act::after{transform:scaleX(1);transform-origin:left}
.dd-btn:focus-visible{outline:2px solid var(--azur-clair);outline-offset:3px}
.dd-btn svg{width:12px;height:12px;transition:transform .35s var(--ease)}
.dd.open .dd-btn svg{transform:rotate(180deg)}
.dd-panel{position:absolute;top:calc(100% + 18px);left:-22px;min-width:220px;background:rgba(10,31,43,.97);backdrop-filter:blur(14px);border:1px solid var(--ligne);border-top:2px solid var(--azur-clair);padding:10px;display:flex;flex-direction:column;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .3s var(--ease),transform .3s var(--ease),visibility 0s linear .3s;box-shadow:0 24px 50px -20px rgba(0,0,0,.6)}
.dd-panel::before{content:"";position:absolute;left:0;right:0;top:-20px;height:20px}
.dd.open .dd-panel{opacity:1;visibility:visible;transform:none;transition:opacity .3s var(--ease),transform .3s var(--ease)}
.dd-panel a{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2px 16px;padding:14px 16px;text-decoration:none;color:var(--blanc);transition:background .25s}
.dd-panel a b{font-family:var(--f-titre);font-weight:500;font-size:17px}
.dd-panel a small{grid-column:1;font-size:13px;color:var(--mute)}
.dd-panel a i{grid-column:2;font-style:normal;color:var(--azur-clair);opacity:0;transform:translateX(-6px);transition:all .3s var(--ease)}
.dd-panel a:hover,.dd-panel a:focus-visible,.dd-panel a[aria-current="page"]{background:rgba(143,193,220,.08)}
.dd-panel a:hover i,.dd-panel a:focus-visible i,.dd-panel a[aria-current="page"] i{opacity:1;transform:none}
.dd-panel a:focus-visible{outline:2px solid var(--azur-clair);outline-offset:-2px}
@media (max-width:1080px){
  .dd{flex-direction:column;align-items:flex-start;width:100%}
  .dd-btn{font-size:clamp(30px,8vw,44px);opacity:1}
  .dd-btn::after{display:none}
  .dd-btn svg{width:18px;height:18px}
  .dd-panel{position:static;min-width:0;width:100%;background:none;backdrop-filter:none;border:0;border-left:1.5px solid var(--azur-clair);box-shadow:none;padding:0 0 0 18px;margin:6px 0 10px;opacity:1;visibility:visible;transform:none;display:none}
  .dd.open .dd-panel{display:flex}
  .dd-panel a{padding:8px 0}
  .dd-panel a b{font-size:22px}
  .dd-panel a i{display:none}
}
.nav a.l,.dd-btn{white-space:nowrap}
@media (min-width:1081px) and (max-width:1240px){.nav{gap:20px}.nav a.l,.dd-btn{font-size:14.5px}.hdr .btn{padding:8px 8px 8px 16px;font-size:11px}}
@media (max-width:1080px){.nav{overflow-y:auto;justify-content:flex-start}}
/* Sélecteur de langue */
.dd-lang .dd-btn{font-family:var(--f-titre);font-weight:600;letter-spacing:.12em}
.dd-lang .dd-btn::after{width:calc(100% - 20px)}
.dd-lang .dd-panel{min-width:170px;left:auto;right:-14px}
.dd-lang .dd-panel a{grid-template-columns:auto 1fr;align-items:baseline;gap:12px}
.dd-lang .dd-panel a b{font-weight:600;letter-spacing:.12em;font-size:15px}
.dd-lang .dd-panel a small{grid-column:2}
.dd-lang .dd-panel a[aria-current="true"]{background:rgba(143,193,220,.12)}
@media (max-width:1080px){.dd-lang .dd-panel a{grid-template-columns:auto 1fr}.dd-lang .dd-btn{font-size:clamp(22px,6vw,30px)}}