/* ============================================
   HEADER PROFESSIONNEL AB2S - Style Securitas
   ============================================ */

/* Header fixe */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

/* Barre supérieure */
.top-bar {
    background: linear-gradient(135deg, #1e40af 0%, #1e40af 72%, #ea580c 74%, #ea580c 100%);
    padding: 0.625rem 0;
    font-size: var(--text-sm);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    color: var(--white);
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    text-decoration: none;
    transition: opacity var(--transition-base);
}

.top-bar-item:hover {
    opacity: 0.8;
    color: var(--white);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-left: 4rem;
}

/* Navigation principale */
.nav-bar {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 70px;
    width: auto;
    object-fit: contain;
}

.company-name {
    display: none;
}

/* Navigation menu */
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: nowrap;
}

.nav-item-wrapper {
    position: relative;
    flex-shrink: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.875rem 1rem;
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-sm);
    transition: all var(--transition-base);
    border-radius: var(--radius-md);
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-link:hover {
    color: var(--primary-blue);
    background-color: var(--gray-100);
}

.nav-link.has-dropdown::after {
    content: '▼';
    font-size: 0.625rem;
    opacity: 0.6;
    transition: transform var(--transition-base);
}

.nav-item-wrapper:hover .nav-link.has-dropdown::after {
    transform: rotate(180deg);
}

/* Dropdown menus */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0.75rem 0;
    padding-top: 1.25rem;
    margin-top: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(0);
    transition: none;
    z-index: 100;
}

/* Zone de liaison invisible pour éviter la disparition du menu */
.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 0;
    right: 0;
    height: 20px;
    background: transparent;
}

/* Mega menu spécial pour Emploi, À propos et Presse */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(0);
    width: 700px;
    background: white !important;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 2rem;
    padding-top: 2.5rem;
    margin-top: 0;
    opacity: 0;
    visibility: hidden;
    transition: none;
    z-index: 100;
}

/* Zone de liaison invisible pour mega-menu */
.mega-menu::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 0;
    right: 0;
    height: 20px;
    background: transparent;
}

.nav-item-wrapper:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}

.mega-menu-column h3 {
    color: #1e40af !important;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.mega-menu-item {
    display: block;
    padding: 0.625rem 0;
    color: #0f172a !important;
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 400;
    transition: all var(--transition-fast);
    margin-bottom: 0.25rem;
}

.mega-menu-item:hover {
    color: #1e40af !important;
    transform: translateX(3px);
}

.nav-item-wrapper:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--gray-700);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.dropdown-item:hover {
    color: var(--primary-blue);
    background-color: var(--gray-100);
    border-left-color: var(--primary-orange);
    padding-left: 1.5rem;
}

/* Bouton urgence */
.emergency-btn {
    background: #991B1B;
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-sm);
    text-decoration: none;
    white-space: nowrap;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.emergency-btn:hover {
    background: #7F1D1D;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    opacity: 0.9;
}


/* Responsive Tablette - Styles de base uniquement */
@media (max-width: 1024px) {
    .top-bar {
        display: none;
    }
    
    .logo-img {
        height: 50px;
    }
    
    .nav-container {
        padding: 0.75rem 1rem;
    }
}

/* Responsive Mobile */
@media (max-width: 640px) {
    .logo-img {
        height: 45px;
        width: auto;
    }
    
    .company-name {
        display: none;
    }
    
    .logo-container {
        padding-left: 0.5rem;
    }
}

.mega-menu { background: linear-gradient(90deg, #1e40af 0%, #1e40af 45%, #ea580c 55%, #ea580c 100%) !important; }