/* Menu principal : méga-menu Domaines (cartes avec photo) et tiroir burger mobile/tablette */
.c-nav .c-mega { background: var(--blanc); color: var(--marine); border-top: 3px solid var(--or); padding-block: 2rem 2.25rem; }
.c-mega__grille { grid-template-columns: minmax(0, 2.2fr) minmax(0, 1fr); align-items: stretch; gap: 2rem; }
.mega-domaines { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.mega-domaines a { display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); align-items: center; gap: 1rem; padding: .6rem; border: 1px solid var(--border); border-radius: var(--radius-lg); text-decoration: none; background: var(--blanc); transition: border-color .25s, box-shadow .25s, transform .25s; }
.mega-domaines a:not(:has(img)) { grid-template-columns: 1fr; padding: 1rem; }
.mega-domaines a:hover, .mega-domaines a:focus-visible { border-color: var(--or); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.mega-domaines__img { width: 6.5rem; height: 4.75rem; object-fit: cover; border-radius: var(--radius-md); background: var(--muted); transition: transform .4s; }
.mega-domaines a:hover .mega-domaines__img { transform: scale(1.04); }
.mega-domaines__texte { display: grid; gap: .2rem; min-width: 0; }
.mega-domaines strong { font-family: var(--font-heading); font-size: 1.05rem; line-height: 1.2; }
.mega-domaines__texte > span { font-size: var(--text-caption); color: var(--muted-foreground); line-height: 1.35; }
.mega-comparer { align-content: end; gap: .6rem; padding: 1.75rem; border-radius: var(--radius-lg); background: linear-gradient(160deg, var(--marine), color-mix(in oklch, var(--marine) 80%, var(--or))); color: var(--blanc); box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--or) 40%, transparent); }
.mega-comparer strong { font-family: var(--font-heading); font-size: 1.3rem; line-height: 1.25; }
.mega-comparer span:not(.c-btn) { color: var(--sur-marine-doux); font-size: var(--text-caption); }
.mega-comparer .c-btn { justify-self: start; margin-top: .4rem; }

/* bouton burger : pastille arrondie, trois traits qui deviennent une croix (le texte reste le nom accessible) */
.c-nav__menu { position: relative; width: 48px; height: 48px; min-height: 48px; padding: 0; font-size: 0; border-radius: 14px; border: 1px solid color-mix(in oklch, var(--or) 55%, transparent); background: color-mix(in oklch, var(--blanc) 6%, transparent); transition: background-color .25s, border-color .25s; }
.c-nav__menu:hover, .c-nav__menu[aria-expanded="true"] { background: color-mix(in oklch, var(--or) 18%, transparent); border-color: var(--or); }
.c-nav__menu::before, .c-nav__menu::after { content: ""; position: absolute; left: 14px; right: 14px; top: 50%; height: 2px; margin-top: -1px; border-radius: 2px; background: var(--blanc); transition: transform .3s var(--ease), box-shadow .3s, background-color .3s; }
.c-nav__menu::before { box-shadow: 0 -7px 0 var(--blanc), 0 7px 0 var(--blanc); }
.c-nav__menu::after { background: var(--or); transform: scaleX(0); }
.c-nav__menu[aria-expanded="true"]::before { box-shadow: none; transform: rotate(45deg); background: var(--or); }
.c-nav__menu[aria-expanded="true"]::after { transform: rotate(-45deg) scaleX(1); }

@media (max-width: 1100px) {
  .c-nav__liens { gap: .9rem; }
  .c-nav__liens a, .c-nav__sous { font-size: .9375rem; }
  .c-nav__logo small { display: none; }
  .mega-domaines a { grid-template-columns: 5rem minmax(0, 1fr); }
  .mega-domaines__img { width: 5rem; height: 4rem; }
}

/* tablette et téléphone : tiroir plein écran marine, domaines en accordéon avec photos */
@media (max-width: 900px) {
  .c-nav__barre { gap: .75rem; }
  .c-nav__action { display: inline-flex; order: 2; margin-left: auto; }
  .c-nav__menu { order: 3; margin-left: 0; }
  .menu-ouvert .c-nav__action { position: static; }
  .menu-ouvert .c-nav { background: var(--marine); color: var(--blanc); }
  .c-nav__liens { height: 100dvh; padding: 6.5rem var(--space-gutter) max(2rem, env(safe-area-inset-bottom)); gap: 0; background: radial-gradient(120% 60% at 100% 0, color-mix(in oklch, var(--or) 14%, var(--marine)), var(--marine) 60%); color: var(--blanc); justify-content: flex-start; align-items: stretch; overflow-y: auto; overscroll-behavior: contain; transform: translateY(-1rem); transition: opacity .3s, transform .35s var(--ease), visibility 0s .3s; }
  .menu-ouvert .c-nav__liens { transform: none; }
  .c-nav__liens > li { border-bottom: 1px solid color-mix(in oklch, var(--blanc) 12%, transparent); }
  .c-nav__liens > li > a, .c-nav__sous { display: flex; width: 100%; justify-content: space-between; min-height: 3.75rem; font-size: clamp(1.25rem, 5vw, 1.6rem); }
  .c-nav__liens > li > a[aria-current="page"] { box-shadow: none; }
  .c-nav .c-mega { background: transparent; color: var(--blanc); border-top: 0; padding: .25rem 0 1.25rem; }
  .c-mega__grille { grid-template-columns: 1fr; padding-inline: 0; }
  .mega-domaines { grid-template-columns: 1fr; gap: .6rem; }
  .mega-domaines a { grid-template-columns: 4.5rem minmax(0, 1fr); gap: .9rem; min-height: 4.5rem; padding: .5rem; background: color-mix(in oklch, var(--blanc) 7%, transparent); border-color: color-mix(in oklch, var(--blanc) 14%, transparent); color: var(--blanc); font-size: 1rem; }
  .mega-domaines a:hover, .mega-domaines a:focus-visible { transform: none; box-shadow: none; }
  .mega-domaines__img { width: 4.5rem; height: 3.5rem; }
  .mega-domaines strong { font-size: 1.05rem; }
  .mega-domaines__texte > span { color: var(--sur-marine-doux); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
  .mega-comparer { display: none; }
}
@media (min-width: 560px) and (max-width: 900px) {
  .mega-domaines { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .c-nav__liens { padding-inline: max(var(--space-gutter), 8vw); }
}
@media (max-width: 480px) {
  .c-nav__barre { gap: .5rem; }
  .c-nav__logo { gap: .5rem; font-size: 1.2rem; }
  .logo-marque { width: 1.9rem; height: 1.9rem; border-width: 4px; }
  .c-nav__action { --c-btn-size: .9375rem; --c-btn-pad: .6em 1.1em; }
  .c-nav__action svg { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .c-nav__menu::before, .c-nav__menu::after, .c-nav__liens, .mega-domaines a, .mega-domaines__img { transition: none; }
}