/* TENEDIM institutional header: deep blue gradient, uniform resting underlines */
html body header{background:linear-gradient(180deg,#314965 0%,#173150 45%,#031b3a 100%)!important;color:#fff!important}
html body header a,html body header nav a{color:#fff!important}
html body header nav[aria-label="Navigation principale"] a:not([href$="/contact/"]){position:relative;text-decoration:none!important}
html body header nav[aria-label="Navigation principale"] a:not([href$="/contact/"])::after{content:"";position:absolute;left:0;bottom:-5px;width:19px;height:1px;background:#f2f3f6;opacity:.85;transition:width .25s ease,opacity .25s ease}
html body header nav[aria-label="Navigation principale"] a:not([href$="/contact/"]):hover::after,
html body header nav[aria-label="Navigation principale"] a:not([href$="/contact/"]):focus-visible::after{width:100%;opacity:1}
html body header nav[aria-label="Navigation principale"] a:not([href$="/contact/"])[aria-current="page"]::after{width:100%}
html body header nav[aria-label="Navigation principale"] a:not([href$="/contact/"])::before{display:none!important}
html body header nav[aria-label="Navigation principale"] a[href$="/contact/"]{border:1px solid rgba(255,255,255,.9)!important;color:#fff!important;background:transparent!important}
html body header nav[aria-label="Navigation principale"] a[href$="/contact/"]:hover{background:#fff!important;color:#00224B!important}
html body header nav[data-tenedim-languages] a{color:#fff!important;border-bottom-color:transparent!important}
html body header nav[data-tenedim-languages] a[aria-current="page"]{border-bottom-color:#fff!important}
html body header button[aria-label="Ouvrir le menu"]{color:#fff!important}
html body header button[aria-label="Ouvrir le menu"] span{background:#fff!important}
@media(prefers-reduced-motion:reduce){html body header nav[aria-label="Navigation principale"] a::after{transition:none!important}}

/* 2026-10-14 visibility fix: opaque dark bar + fade extension onto hero */
html body header.fixed{background:#092343!important;background-image:linear-gradient(180deg,#061a36 0%,#0a284b 55%,#173858 100%)!important;opacity:1!important;isolation:isolate!important;overflow:visible!important}
html body header.fixed::after{content:"";position:absolute!important;top:100%!important;left:0!important;right:0!important;height:84px!important;background:linear-gradient(180deg,rgba(23,56,88,.83) 0%,rgba(23,56,88,.3) 60%,rgba(23,56,88,0) 100%)!important;pointer-events:none!important;z-index:-1!important}
html body header.fixed>div:first-child{position:relative!important;z-index:2!important}
html body header.fixed nav[aria-label="Navigation principale"] a:not([href$="/contact/"]){color:#fff!important}
html body header.fixed nav[data-tenedim-languages] a{color:#fff!important}

/* Seamless fade below fixed header, no horizontal edge */
html body header.fixed{background:#071d3b!important;background-image:linear-gradient(180deg,#071d3b 0%,#102f51 100%)!important;border-bottom:0!important;box-shadow:none!important}
html body header.fixed::after{top:calc(100% - 1px)!important;height:110px!important;background:linear-gradient(180deg,#102f51 0%,rgba(16,47,81,.88) 18%,rgba(16,47,81,.47) 58%,rgba(16,47,81,0) 100%)!important;border:0!important;box-shadow:none!important}