.site-header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    --header-height-desktop: 120px;
    --header-height-mobile: 80px;
}

/* Main Header */
.header-wrapper {
    padding: 16px 0;
    container: horizon-header / inline-size;
}

.site-branding {
    flex-shrink: 0;
}

.logo-link {
    display: block;
}

.main-logo {
    height: 62px;
    width: auto;
}

.search-mobile {
    flex: 1;
    max-width: 200px;
    margin: 0 16px;
}

.search-form-mobile {
    position: relative;
    display: flex;
    align-items: center;
}

.search-form-mobile .search-input {
    width: 100%;
    padding: 8px 40px 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    background: #fff;
}

.search-form-mobile .search-input:focus {
    outline: none;
    border-color: rgb(var(--bs-primary));
    box-shadow: 0 0 0 2px rgba(233, 75, 53, 0.25);
}

.search-form-mobile .search-submit {
    position: absolute;
    right: 8px;
    background: none;
    border: none;
    color: rgba(var(--color-poivre-clair), var(--bs-bg-opacity));
    padding: 4px;
    cursor: pointer;
}

.search-form-mobile .search-submit:hover {
    color: rgb(var(--bs-primary));
}

.header-nav {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

/* Navigation */
.main-navigation {
    position: relative;
}

.menu-toggle {
    background: none;
    border: 1px solid rgb(var(--bs-primary));
    color: rgb(var(--bs-primary));
    padding: 8px 16px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}

.menu-toggle:hover {
    background: rgb(var(--bs-primary));
    color: white;
}

.menu-toggle-icon {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.menu-toggle-icon span {
    width: 14px;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
}

.main-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 32px;
    align-items: center;
}

.menu-item {
    position: relative;
}

.menu-link {
    color: rgba(var(--color-poivre), var(--bs-bg-opacity));
    text-decoration: none;
    font-weight: 500;
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
}

.menu-link:hover {
    color: rgb(var(--bs-primary));
}

.menu-arrow {
    transition: transform 0.2s ease;
}

.menu-item:hover .menu-arrow {
    transform: rotate(180deg);
}

/* Sub Menus */
.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    min-width: 600px;
    max-width: 90vw;
    padding: 24px;
    display: none;
    z-index: 1000;
    list-style: none;
    margin: 0;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.menu-item:hover .sub-menu {
    display: grid;
}

/* Position le submenu Ressources vers la gauche pour éviter le débordement */
.menu-item-ressources .sub-menu {
    left: auto;
    right: 0;
}

/* Profession sub-menus visibility control - géré par JavaScript */
.profession-items {
    display: block;
}

.profession-items li {
    display: none;
}

/* Afficher par défaut les professions du premier service (Horizon Projets et Horizon Compta Expert) */
.profession-items .projets-profession,
.profession-items .compta-profession {
    display: block;
}

.sub-menu-section {
    list-style: none;
}

.sub-menu-title {
    font-size: 14px;
    font-weight: 600;
    color: rgba(var(--color-poivre-clair), var(--bs-bg-opacity));
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 16px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid #e9ecef;
}

.sub-menu-items {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sub-menu-items li {
    margin-bottom: 8px;
}

.sub-menu-link {
    color: rgba(var(--color-poivre), var(--bs-bg-opacity));
    text-decoration: none;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.sub-menu-link:hover {
    background: rgb(var(--bs-light));
    color: rgb(var(--bs-primary));
}

.sub-menu-icon {
    flex-shrink: 0;
    margin-top: 2px;
    color: rgb(var(--bs-primary));
}

.sub-menu-icon.calculator-icon {
    color: rgba(var(--color-orange-vif), var(--bs-bg-opacity));
}


.link-title {
    font-weight: 500;
    display: block;
    margin-bottom: 2px;
}

.link-description {
    font-size: 13px;
    color: rgba(var(--color-poivre-clair), var(--bs-bg-opacity));
    display: block;
}

/* CTA Button */
.menu-cta .btn {
    padding: 12px 24px;
    font-weight: 500;
    font-size: 14px;
    border-radius: 6px;
    text-decoration: none;
    display: inline-block;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    left: 0;
    right: 0;
    width: 100%;
    background: white;
    border-top: 1px solid #e9ecef;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    display: none;
    z-index: 999;
    max-height: calc(100vh - var(--header-height-mobile, 80px));
    overflow-y: auto;
}

@media (min-width: 992px) {
    .mobile-menu {
        top: var(--header-height-desktop, 120px);
        max-height: calc(100vh - var(--header-height-desktop, 120px));
    }
}

/* Animation pour l'icône du menu */
.menu-toggle.menu-open .menu-toggle-icon span:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
    transform-origin: center;
}

.menu-toggle.menu-open .menu-toggle-icon span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.menu-open .menu-toggle-icon span:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    transform-origin: center;
}

.menu-toggle-icon span {
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-list {
    list-style: none;
    margin: 0;
    padding: 16px 0;
}

.mobile-menu-item {
    border-bottom: 1px solid #f1f3f4;
}

.mobile-menu-item:last-child {
    border-bottom: none;
}

.mobile-menu-link {
    color: rgba(var(--color-poivre), var(--bs-bg-opacity));
    text-decoration: none;
    padding: 16px 20px;
    display: block;
    font-weight: 500;
}

.mobile-menu-link:hover {
    background: rgb(var(--bs-light));
    color: rgb(var(--bs-primary));
}

.mobile-menu-item .btn {
    margin: 16px 20px 8px 20px;
    width: calc(100% - 40px);
    text-align: center;
}

/* Responsive */
@media (max-width: 991px) {
    .header-wrapper .container-fluid {
        padding: 0 15px;
    }
    
    .main-menu .menu-cta .btn {
        padding: 8px 16px;
        font-size: 13px;
    }
}

@container horizon-header (max-width: 768px) {
    .header-wrapper {
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .site-branding {
        order: 1;
    }
    
    .header-nav {
        order: 3;
        flex: none;
    }
    
    .search-mobile {
        order: 2;
        flex: 1;
        margin: 0;
    }
}

/* Utility Classes */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}