:root {
    --bg-nb: rgba(240, 248, 250, 0);
    --nbscr: rgba(224, 244, 248, 0.75);
    --nbscrop: #e0f4f8;
    --lnbscr: rgba(43, 174, 199, 0.25);
    --text-color: #172d33;
    --accent-blue: #2baec7;
}

.navbar- {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--bg-nb);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1000;
}

.navbar-:hover {
    background: var(--nbscr);
    box-shadow: 0 8px 30px rgba(43, 174, 199, 0.12);
    margin-top: 10px;
    margin-left: 1%;
    width: 98%;
    border-radius: 50px;
    border: 1px solid var(--lnbscr);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
}

.navbar-.scrolled {
    background: var(--nbscr);
    box-shadow: 0 10px 30px rgba(43, 174, 199, 0.15);
    border-bottom-left-radius: 24px;
    border-bottom-right-radius: 24px;
    border-bottom: 1px solid var(--lnbscr);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
}

.navbar-.scrolled:hover {
    box-shadow: 0 12px 35px rgba(43, 174, 199, 0.2);
    margin-top: 10px;
    margin-left: 0.5%;
    width: 99%;
    border-radius: 50px;
    border: 1px solid var(--lnbscr);
}

.navbar- nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 30px;
}

.navbar- .logo img {
    height: 38px;
    width: auto;
    margin: 0;
    /* Inversion supprimée pour préserver les couleurs d'origine du logo */
    transition: transform 0.3s ease;
}

.navbar- .logo img:hover {
    transform: scale(1.03);
}

.navbar- ul {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.navbar- ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.navbar- ul li a:hover {
    color: var(--accent-blue);
    opacity: 1;
}

.navbar- .menu-toggle {
    display: none;
    font-size: 1.6em;
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
}

@media (max-width: 768px) {
    .navbar- .menu-toggle {
        display: block;
        position: relative;
        z-index: 9999;
    }

    .navbar- ul {
        position: absolute;
        top: 65px;
        right: 15px;
        width: 220px;
        background: rgba(255, 255, 255, 0.95);
        border: 1px solid var(--lnbscr);
        box-shadow: 0 15px 35px rgba(43, 174, 199, 0.15);
        flex-direction: column;
        align-items: flex-start;
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
        padding: 20px;
        border-radius: 20px;
        visibility: hidden;
        pointer-events: none;
        transition: all 0.3s ease-out;
        transform: translateY(-10px);
        opacity: 0;
    }

    .navbar- ul.active {
        visibility: visible;
        pointer-events: all;
        transform: translateY(0);
        opacity: 1;
    }

    .navbar- ul li {
        width: 100%;
        margin: 8px 0;
    }

    .navbar- ul li a {
        display: block;
        width: 100%;
        padding: 6px 0;
    }

    .navbar- ul li a:hover {
        color: var(--accent-blue);
        text-decoration: none;
    }
}