.barre-navigation {
    position : fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--beige);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
}

.conteneur-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 15px 20px;
}

.logo-navigation img {
    height: 50px;
    width: auto;
}

.menu-navigation {
    display: flex;
    align-items: center;
    gap: 30px;
}

.liens-navigation {
    display: flex;
    list-style: none;
    gap: 25px;
}

.lien-navigation {
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    padding: 5px 0;
}

.lien-navigation:hover,
.lien-navigation.actif {
    color: var(--vertf);
}

.lien-navigation::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--vertf);
}

.lien-navigation:hover::after,
.lien-navigation.actif::after {width: 100%;}

/* Bouton prende rendez-vous */
.bouton-navigation {
    background-color: var(--orange);
    color: var(--white);
    padding: 10px 22px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
}

.bouton-navigation:hover {
    background-color: var(--orangec);
    transform: translateY(-1px);
}

.burger-menu {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 2000;
}

.burger-menu span {
    width: 30px;
    height: 3px;
    background-color: var(--vertf);
    border-radius: 3px;
    transition: all 0.3s ease;
}

@media screen and (max-width: 900px) {
    .burger-menu {display: flex;}

    .menu-navigation {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--beige);
        flex-direction: column;
        padding: 30px 0;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s ease-in-out;
    }

    .liens-navigation {
        flex-direction: column;
        align-items: center;
        gap: 20px;
        margin-bottom: 25px;
    }

    .menu-navigation.actif {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
        opacity: 1;
        visibility: visible;
    }

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

    .burger-menu.actif span:nth-child(2) {opacity: 0;}
    .burger-menu.actif span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
}