.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 1px 0 rgba(0,0,0,0.08);
    z-index: 1000;
    transition: all 0.3s ease;
}

.site-header.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.header-container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0.75rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 0.75rem;
}

.logo-img {
    height: 75px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-text .seo {
    color: var(--complement-color);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-text .prism {
    color: var(--complement-color);
    font-weight: 700;
    font-size: 1.5rem;
}

/* Navigation */
.main-nav {
    /* margin-left: 4rem; */
}

.nav-list {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--complement-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, var(--complement-color), var(--complement-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

/* Boutons d'authentification */
.auth-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-outline {
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.btn-outline:hover {
    border-color: var(--complement-color);
    color: var(--complement-color);
    background: rgba(var(--complement-color-rgb), 0.05);
}


/* Dropdown utilisateur */
.user-dropdown {
    position: relative;
    min-width: 300px;
    display: flex;
    align-items: center;
    justify-content: flex-end;

}

.dropdown-trigger {
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.user-name {
    color: var(--text-color);
    font-weight: 500;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    padding: 0.5rem;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background: rgba(var(--primary-rgb), 0.05);
    color: var(--primary);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

/* Notification */
.notification {
    background: white;
    border-bottom: 1px solid var(--border-color);
}

.notification-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.notification-icon {
    color: var(--primary);
}

.notification-text {
    flex: 1;
}

.notification-text h3 {
    font-size: 0.9rem;
    margin: 0;
    color: var(--dark);
}

.notification-text p {
    margin: 0.25rem 0 0;
    font-size: 0.85rem;
    color: var(--text-light);
}

.notification-close {
    padding: 0.5rem;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--text-light);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.notification-close:hover {
    background: rgba(0,0,0,0.05);
    color: var(--text-color);
}

/* Mobile menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 0.5rem;
    border: none;
    background: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-color);
    transition: all 0.3s ease;
}

/* Menu mobile */
.mobile-menu {
    display: none;
    position: fixed;
    top: 100px; /* Hauteur du header */
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    padding: 2rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 999;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu .nav-list {
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.mobile-menu .nav-list li {
    width: 100%;
    text-align: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu .nav-link {
    font-size: 1.2rem;
}



.mobile-menu .auth-buttons {
    flex-direction: column;
    width: 100%;
}

.mobile-menu .auth-buttons .btn {
    width: 100%;
    justify-content: center;
}

.mobile-menu .user-dropdown {
    width: 100%;
}

.mobile-menu .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    margin-top: 1rem;
    width: 100%;
}

/* Responsive */
@media (max-width: 1024px) {
    .header-container {
        padding: 1rem;
    }
}

@media (max-width: 826px) {
    .main-nav {
        display: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        gap: 6px;
        padding: 0.5rem;
        border: none;
        background: none;
        cursor: pointer;
    }
    
    .mobile-menu-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--text-color);
        transition: all 0.3s ease;
    }
    
    .mobile-menu-active .mobile-menu-toggle span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-menu-active .mobile-menu-toggle span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-active .mobile-menu-toggle span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .mobile-menu {
        display: block;
    }

    .user-menu {
        display: none;
    }

    .mobile-menu-active {
        overflow: hidden;
    }

    .mobile-menu-active .mobile-menu {
        transform: translateX(0);
    }

    .mobile-auth-buttons {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    .user-dropdown {

    }

    .user-dropdown .dropdown-trigger {
        display: none;
    }
    
}