/* En-tête : grands menus déroulants (Expertises, Ressources), bouton de recherche, menu mobile plein écran (scripts/nav.mjs, assets/js/nav.js).
   Panneaux sombres et cuivre, comme la carte des références, dans les deux thèmes. */

/* Liste du menu principal */
.nav .nv { display: flex; align-items: center; gap: inherit; list-style: none; margin: 0; padding: 0; }
.nv-i { position: static; }
.nv-top { font: inherit; color: inherit; background: none; border: 0; padding: .3rem 0; margin: 0; cursor: pointer; display: inline-flex; align-items: center; gap: .3rem; opacity: .85; position: relative; white-space: nowrap; }
.nv-top::after { content: ""; position: absolute; inset: auto 0 0; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.nv-top:hover, .nv-top[aria-expanded="true"] { opacity: 1; }
.nv-top:hover::after, .nv-top.cur::after, .nv-top[aria-expanded="true"]::after { transform: scaleX(1); }
.nv-chev { flex: none; transition: transform .25s var(--ease); }
.nv-top[aria-expanded="true"] .nv-chev { transform: rotate(180deg); }
html:not(.no-js) .nv-nojs { display: none; }
.no-js .nv-top, .no-js .mm, .no-js .search-btn { display: none !important; }

/* Grand menu */
.mm { --mm-txt: #eceaff; --mm-mut: #b9b6dc; --mm-line: rgba(201, 198, 244, .16);
  position: absolute; inset-inline: 0; top: 100%; z-index: 55; color: var(--mm-txt); font-size: 1rem; font-weight: 400; padding-block: 1.6rem 1.9rem;
  max-height: calc(100vh - 76px); max-height: calc(100dvh - 76px); overflow-y: auto; overscroll-behavior: contain;
  background: radial-gradient(70% 120% at 85% 0%, rgba(224, 153, 92, .13), transparent 60%), linear-gradient(170deg, #15184a, #0b0d22 70%);
  border-top: 1px solid rgba(224, 153, 92, .35); box-shadow: 0 40px 80px -30px rgba(11, 13, 34, .7); }
.mm:not([hidden]) { animation: mm-in .22s var(--ease); }
@keyframes mm-in { from { opacity: 0; transform: translateY(-6px); } }
.mm-in { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; display: grid; grid-template-columns: minmax(0, 1fr) minmax(13rem, 17rem); gap: 1.4rem 2.4rem; }
.mm ul { list-style: none; margin: 0; padding: 0; }
.nav .mm a { opacity: 1; white-space: normal; padding: 0; text-decoration: none; color: inherit; }
.nav .mm a::after { display: none; }
.mm a:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.mm-svc { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .3rem .6rem; }
.nav .mm-svc a { display: flex; align-items: flex-start; gap: .8rem; padding: .7rem .75rem; border-radius: 12px; border: 1px solid transparent; transition: background .2s, border-color .2s; }
.nav .mm-svc a:hover, .nav .mm-svc a[aria-current] { background: rgba(255, 255, 255, .05); border-color: var(--mm-line); }
.mm-svc .ic { width: 34px; height: 34px; flex: none; color: #c9c6f4; }
.mm-svc .ic .acc { color: #e0995c; }
.mm-svc b { display: block; font-weight: 700; font-size: .98rem; line-height: 1.3; }
.mm-svc small { display: block; color: var(--mm-mut); font-size: .86rem; line-height: 1.45; margin-top: .2rem; }
.mm-side { border-inline-start: 1px solid var(--mm-line); padding-inline-start: 1.8rem; display: flex; flex-direction: column; gap: .55rem; align-items: flex-start; }
.nav .mm-all { display: inline-flex; align-items: center; gap: .45rem; font-weight: 700; color: #e0995c; padding: .35rem 0; }
.nav .mm-all svg { width: 1.05em; height: 1.05em; } [dir="rtl"] .mm-all svg { transform: scaleX(-1); }
.nav .mm-all:hover { text-decoration: underline; text-underline-offset: .2em; }
.nav .mm-x { color: var(--mm-txt); padding: .3rem 0; } .nav .mm-x:hover { text-decoration: underline; text-underline-offset: .2em; }
.mm-h { margin: .8rem 0 .3rem; font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--mm-mut); }
[dir="rtl"] .mm-h { font-family: var(--sans); letter-spacing: 0; text-transform: none; font-size: .9rem; }
.mm-main .mm-h:first-child { margin-top: 0; }
.mm-prof { display: grid; gap: .4rem; width: 100%; }
.nav .mm-prof a { display: flex; align-items: center; gap: .6rem; padding: .55rem .7rem; border: 1px solid var(--mm-line); border-radius: 10px; }
.nav .mm-prof a:hover { border-color: rgba(224, 153, 92, .6); }
.mm-prof .or-pic, .mnav-prof .or-pic { width: 22px; height: 22px; flex: none; color: #e0995c; }
.mm-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 2rem; }
.mm-list li { border-top: 1px dashed var(--mm-line); }
.nav .mm-list a { display: block; padding: .55rem 0; }
.nav .mm-list a:hover, .nav .mm-list a[aria-current] { color: #e0995c; }

/* Bouton de recherche */
.search-btn { flex: none; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; border: 1px solid currentColor; background: none; color: inherit; cursor: pointer; opacity: .85; padding: 0; }
.search-btn:hover { opacity: 1; }
@media (max-width: 1320px) { .top .search-btn { margin-inline-start: auto; } .top .a11y { margin-inline-start: 0; } }
.top.compact .search-btn { margin-inline-start: auto; } .top.compact .a11y { margin-inline-start: 0; }

/* Petits écrans : le nom « Ellipsoide » n'est jamais tronqué, même avec le texte agrandi */
@media (max-width: 1320px) { .top .brand span { overflow: visible; text-overflow: clip; white-space: nowrap; } }
@media (max-width: 600px) {
  .top .wrap { gap: .55rem; }
  .top .brand { gap: .5rem; font-size: min(1.2rem, 20px); }
  .top .brand svg { width: 44px; }
  .top .burger { margin-inline-start: 0; width: 42px; }
}
@media (max-width: 380px) {
  .top .wrap { gap: 6px; width: calc(100% - 24px); }
  .top .brand { gap: 6px; font-size: min(1.05rem, 17.5px); min-width: auto; flex: none; }
  .top .brand svg { width: 36px; }
  .top .search-btn, .top .a11y-btn { width: 38px; height: 38px; }
  .top .burger { width: 40px; }
}

/* Menu mobile plein écran */
.mnav { position: fixed; inset: 0; z-index: 90; display: flex; flex-direction: column; overflow-y: auto; overscroll-behavior: contain; color: #eceaff;
  background: radial-gradient(90% 60% at 90% 0%, rgba(224, 153, 92, .14), transparent 60%), radial-gradient(80% 60% at 0% 100%, rgba(95, 176, 98, .10), transparent 55%), #0b0d22; }
.mnav:not([hidden]) { animation: mnav-in .25s var(--ease); }
@keyframes mnav-in { from { opacity: 0; transform: translateY(-10px); } }
html.mnav-on, html.mnav-on body { overflow: hidden; }
.mnav-top { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 76px; padding-inline: max(1.25rem, calc((100% - 40rem) / 2)); background: #0b0d22; border-bottom: 1px solid rgba(201, 198, 244, .12); }
.mnav-top .brand { color: #fff; font-size: min(1.2rem, 20px); }
.mnav-top .brand svg { width: 44px; }
.mnav-x { flex: none; width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; border: 1px solid rgba(201, 198, 244, .35); background: rgba(255, 255, 255, .04); color: #fff; cursor: pointer; }
.mnav-body { width: min(100% - 2.5rem, 40rem); margin-inline: auto; padding-block: 1.2rem 0; flex: 1 0 auto; display: flex; flex-direction: column; }
.mnav a { color: inherit; text-decoration: none; }
.mnav :focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.mnav ul { list-style: none; margin: 0; padding: 0; }
.mnav-search { display: flex; align-items: center; gap: .7rem; width: 100%; min-height: 54px; padding: .6rem 1rem; font: inherit; font-size: 1rem; text-align: start; color: #c9c6f4; cursor: text;
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(201, 198, 244, .32); border-radius: 14px; }
.mnav-search svg { flex: none; color: #e0995c; }
.mnav-search span { min-width: 0; }
.mnav-h, .mnav-s { margin: 1.5rem 0 .6rem; font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: #e0995c; }
[dir="rtl"] .mnav-h, [dir="rtl"] .mnav-s { font-family: var(--sans); letter-spacing: 0; text-transform: none; font-size: .95rem; }
.mnav-s { color: #b9b6dc; margin-top: 1rem; }
.mnav-prof { display: grid; gap: .55rem; }
.mnav-prof a { display: flex; align-items: center; gap: .85rem; min-height: 58px; padding: .7rem 1rem; font-weight: 650; font-size: 1.08rem; line-height: 1.3; border: 1px solid rgba(201, 198, 244, .22); border-radius: 14px; background: rgba(255, 255, 255, .03); }
.mnav-prof .or-pic { width: 28px; height: 28px; }
.mnav-prof a[aria-current] { border-color: #e0995c; }
.mnav-guide { display: inline-flex; align-items: center; gap: .45rem; margin: .9rem 0 .6rem; color: #e0995c !important; font-weight: 650; text-decoration: underline !important; text-underline-offset: .2em; }
.mnav-guide svg, .mnav-all svg { width: 1.05em; height: 1.05em; flex: none; } [dir="rtl"] .mnav-guide svg, [dir="rtl"] .mnav-all svg { transform: scaleX(-1); }
.mnav-d { border-bottom: 1px solid rgba(201, 198, 244, .14); }
.mnav-d:first-of-type { border-top: 1px solid rgba(201, 198, 244, .14); margin-top: .6rem; }
.mnav-d summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 56px; cursor: pointer; font-size: 1.22rem; font-weight: 650; list-style: none; }
.mnav-d summary::-webkit-details-marker { display: none; }
.mnav-d[open] summary .nv-chev { transform: rotate(180deg); }
.mnav-dc { padding-bottom: 1rem; }
.mnav-svc { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr)); gap: .2rem .8rem; }
.mnav-svc a { display: flex; align-items: center; gap: .75rem; min-height: 48px; padding: .35rem 0; }
.mnav-svc .ic { width: 30px; height: 30px; flex: none; color: #c9c6f4; } .mnav-svc .ic .acc { color: #e0995c; }
.mnav-list a { display: block; padding: .6rem 0; border-top: 1px dashed rgba(201, 198, 244, .14); }
.mnav-all { display: flex; align-items: center; gap: .45rem; padding: .7rem 0 .2rem; font-weight: 700; color: #e0995c !important; }
.mnav a[aria-current="page"] { color: #e0995c; }
.mnav-links li a { display: block; padding: .85rem 0; font-size: 1.22rem; font-weight: 650; border-bottom: 1px solid rgba(201, 198, 244, .14); }
.mnav-langs { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.5rem 0 0; }
.mnav-langs a { min-height: 44px; display: inline-flex; align-items: center; padding: .45rem 1.05rem; border-radius: 999px; border: 1px solid rgba(201, 198, 244, .35); font-weight: 650; }
.mnav-langs a[aria-current] { background: #eceaff; color: #0b0d22; border-color: #eceaff; }
.mnav-quick { position: sticky; bottom: 0; margin-top: auto; padding: 1.2rem 0 calc(1rem + env(safe-area-inset-bottom)); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .5rem;
  background: linear-gradient(to bottom, rgba(11, 13, 34, 0), #0b0d22 1.1rem); }
.mnav-quick a { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .3rem .5rem; overflow-wrap: anywhere; min-height: 50px; padding: .45rem .7rem; border-radius: 12px; border: 1px solid rgba(201, 198, 244, .25); background: #14173d; font-weight: 650; text-align: center; line-height: 1.25; }
.mnav-quick a.q-main { background: var(--copper-btn); border-color: var(--copper-btn); color: #fff; }
.mnav-quick svg { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* Le grand menu n'existe que sur ordinateur ; le menu mobile n'existe qu'avec le bouton burger */
@media (max-width: 1320px) { .mm { display: none !important; } }
.top.compact .mm { display: none !important; }
@media (min-width: 1321px) { .top:not(.compact) ~ .mnav { display: none !important; } }
@media (max-width: 1000px) { .mm-svc { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media print { .mnav, .mm, .search-btn { display: none !important; } }
/* Mode sombre forcé (navigateurs qui inversent les couleurs) : pas de calque par-dessus le texte */
@media (forced-colors: active) { .mm, .mnav { border: 1px solid CanvasText; } .nv-top, .search-btn, .mnav-x { border: 1px solid ButtonText; } }
@media (max-width: 1320px) { .no-js .nav .nv { flex-wrap: wrap; gap: .4rem 1.2rem; } }
/* Sur ordinateur, l'en-tête s'élargit un peu au-delà de la colonne de contenu pour tenir sur une ligne dans les quatre langues */
@media (min-width: 1321px) { .top > .wrap { width: min(100% - 2rem, 1320px); } }
/* Texte très agrandi sur écran étroit : les mots longs se coupent au lieu de déborder */
.mnav-body { overflow-wrap: anywhere; }
.mnav-prof, .mnav-svc { grid-template-columns: minmax(0, 1fr); }
@media (min-width: 560px) { .mnav-svc { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.mnav-prof span, .mnav-svc span, .mnav-search span { min-width: 0; }
/* Actions rapides : icônes seules quand la place manque (même règle que la barre .qbar), libellé lu par les lecteurs d'écran */
.mnav-quick { container-type: inline-size; }
@container (max-width: 19.5rem) {
  .mnav-quick a span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .mnav-quick svg { width: 1.5rem; height: 1.5rem; }
}