/* Shared public navigation, including the mobile menu. */
.header-inner { gap: 18px; }
.header .nav { gap: 20px; font-size: 13px; }
.header .nav a[aria-current="page"] { color: var(--blue); }
.site-menu-toggle { display: none; }
.site-home-link { margin-block: 32px 50px; padding: 26px 30px; border: 1px solid var(--border); border-radius: var(--radius-md); background: #eff4ff; color: var(--navy); }
.site-home-link strong { color: var(--blue); margin-left: 8px; }
@media (max-width: 767px) {
 .header:has(.site-menu-toggle) .header-btn { display: none; }
 .site-menu-toggle { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--border); border-radius: var(--radius-full); padding: 10px 15px; background: white; color: var(--navy); font: inherit; font-size: 14px; font-weight: 800; cursor: pointer; }
 .site-menu-toggle:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
 .header .nav { display: none; position: absolute; top: 71px; left: 0; right: 0; padding: 20px 24px 26px; margin: 0; flex-direction: column; align-items: stretch; gap: 4px; background: white; box-shadow: var(--shadow-card); border-bottom: 1px solid var(--border); }
 .header .nav a { padding: 12px; font-size: 15px; }
 .header .nav a::after { display: none; }
 .header .nav[data-menu-open="true"] { display: flex; }
 .site-home-link { padding: 24px; }
 .site-home-link strong { display: block; margin: 8px 0 0; }
}

/* Menu Services : sous-menu au survol ou au focus sur ordinateur, liste dépliée sur mobile. */
.nav-group { position: relative; display: flex; align-items: center; }
.nav-group > a::before { content: ''; }
.nav-parent::after { content: none; }
.nav-caret { margin-left: 4px; font-size: 10px; }
.nav-sub { position: absolute; top: 100%; left: -18px; min-width: 260px; padding-top: 14px; display: none; }
.nav-sub-inner { display: grid; gap: 2px; padding: 10px; background: white; border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-card); }
.header .nav .nav-sub a { padding: 10px 12px; border-radius: 10px; white-space: nowrap; }
.header .nav .nav-sub a::after { display: none; }
.header .nav .nav-sub a:hover { background: var(--soft); }
.nav-group:hover .nav-sub, .nav-group:focus-within .nav-sub { display: block; }
.header .nav a.nav-active-parent { color: var(--blue); }
@media (max-width: 767px) {
 .nav-group { flex-direction: column; align-items: stretch; }
 .nav-caret { display: none; }
 .nav-sub { position: static; display: block; padding: 0 0 0 14px; min-width: 0; }
 .nav-sub-inner { border: 0; box-shadow: none; padding: 0; background: none; }
 .header .nav .nav-sub a { font-size: 14px; color: #52627a; }
}

/* Keep desktop navigation visible between the legacy 860px and mobile 768px breakpoints. */
@media (min-width: 768px) { .header .nav { display: flex; } }