.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;

    /* Police de corps (Inter) pour la nav */
    font-family: 'Inter', sans-serif;
    font-weight: 600; /* SemiBold pour la nav */

    position: sticky;
    /* ... (reste des styles .navbar) ... */
}

.logo a {
    /* Police Titre (Montserrat) pour le logo */
    font-family: 'Montserrat', sans-serif;
    font-weight: 700; /* Bold */
    font-size: 22px;
    color: #354F52;
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: #52796F; /* Liens en vert moyen */
    text-decoration: none;
    padding: 5px 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: #354F52; /* Soulignement foncé */
    bottom: 0;
    left: 0;
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}

.nav-links a:hover {
    color: #354F52; /* Hover foncé */
}

.nav-links a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* Burger */
.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: #354F52; /* Lignes foncées */
    margin: 5px;
    transition: all 0.3s ease;
}

/* --- RESPONSIVITÉ NAV --- */
@media (max-width: 900px) {
    .navbar {
        padding: 20px 30px;
    }
}
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: 0;
        top: 0;
        height: 100vh;
        width: 100%;
        /* Fond de section alternatif pour le menu */
        background-color: #CAD2C5;
        flex-direction: column;
        align-items: center;
        justify-content: space-evenly;
        transform: translateX(100%);
        transition: transform 0.4s ease-in-out;
    }

    .nav-links li {
        margin-left: 0;
    }

    .nav-links a {
        font-size: 20px;
        color: #354F52; /* Liens foncés sur fond clair */
    }

    .nav-active {
        transform: translateX(0%);
    }

    .burger {
        display: block;
    }
}
/* ... (Animations .toggle) ... */
.toggle .line1 { transform: rotate(-45deg) translate(-5px, 6px); }
.toggle .line2 { opacity: 0; }
.toggle .line3 { transform: rotate(45deg) translate(-5px, -6px); }