/* Styles pour la navbar */
.navbar {
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-content img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: #333;
    text-decoration: none;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #4CAF50;
}

/* Styles pour les liens actifs */
.active-nav-link {
    color: #4CAF50;
}

.nav-underline {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #4CAF50;
    transform: scaleX(1);
    transition: transform 0.3s ease;
}

.nav-link:hover .nav-underline {
    transform: scaleX(0.8);
}

/* Styles des sous-menus */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 200px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

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

.submenu-link {
    display: block;
    padding: 0.75rem 1rem;
    color: #333;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.submenu-link:hover {
    background-color: #f5f5f5;
    color: #4CAF50;
}

/* Menu hamburger pour mobile */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: #333;
    transition: all 0.3s ease;
}

/* Overlay pour le menu mobile */
.menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.menu-overlay.active {
    display: block;
    opacity: 1;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex !important;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: white;
        flex-direction: column;
        padding: 80px 20px 20px;
        transition: right 0.3s ease;
        box-shadow: -2px 0 5px rgba(0,0,0,0.1);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-item {
        width: 100%;
    }

    .nav-link {
        padding: 1rem 0;
        border-bottom: 1px solid #eee;
    }

    .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        display: none;
        width: 100%;
    }

    .nav-item.active .submenu {
        display: block;
    }

    .submenu-link {
        padding: 0.75rem 1.5rem;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    /* Ajuster le contenu principal pour la navbar fixe */
    body {
        padding-top: 70px;
    }
}

/* Animation pour le menu toggle */
.menu-toggle i {
    transition: transform 0.3s ease;
}

.menu-toggle.active i {
    transform: rotate(90deg);
}

/* Animation pour les sous-menus */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}