/* --- MOBILE FIRST (petits écrans) --- */
nav {
    display: flex;
    z-index: 5;
    width: 100%;
    height: 70px;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: rgba(255, 255, 255, 0.92);
    font-family: 'Indie Flower', cursive;
    position: fixed;
    font-size: 24px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Menu links masqués par défaut */
.nav-links {
    display: flex;
    flex-direction: column;
    font-weight: 400;
    position: absolute;
    top: 70px; /* hauteur nav */
    left: 0;
    width: 100%;
    background-color: var(--bleu-clair);
    padding: 0; /* on gère padding quand menu ouvert */
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.4s ease, padding 0.4s ease;
    gap: 0;
    font-size: 0;
}

.nav-links a {
    text-decoration: none;
    padding: 15px 20px;
    color: black;
    font-size: 24px;
}

.nav-links a.active {
    color: var(--bleu-fonce);
    text-decoration: underline;
    text-underline-offset: 10px;
}

/* Burger visible sur mobile */
#nav-burger {
    display: block;
    font-size: 24px;
    cursor: pointer;
    color: var(--bleu-fonce);
}

/* Quand menu actif : affiché */
.nav-links.active {
    align-items: center;
    max-height: 500px;
    padding: 100px 50px;
    gap: 30px;
    font-size: 32px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.92), var(--bleu-clair));
}

.rotate {
    animation: rotate360 0.5s ease forwards;
}

@keyframes rotate360 {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* --- DESKTOP (grand écran) --- */
@media screen and (min-width: 1024px) {
    nav {
        height: 110px;
        font-size: 32px;
        padding: 20px 50px;
    }
    /* Burger caché */
    #nav-burger {
        display: none;
    }

    /* Menu affiché horizontalement */
    .nav-links {
        position: static;
        flex-direction: row;
        overflow: visible;
        max-height: none !important;
        gap: 20px;
        width: auto;
        background: none;
        padding: 0 !important;
    }

    .nav-links a {
        padding: 2px 20px;
        border-radius: 10px;
        text-decoration: none;
        position: relative;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .nav-links a:not(.active):hover{
        color: var(--bleu-fonce);
    }

    .nav-links a:not(.active):not(.contact)::after{
        content: "";
        position: absolute;
        bottom: 8px;
        left: 50%;
        width: 0%;
        height: 3px;
        background-color: var(--bleu-clair);
        transition: width 0.3s ease, left 0.3s ease;
        transform: translateX(-50%);
    }

    .nav-links a:not(.active):not(.contact):hover::after {
        width: 60%;
    }

    .nav-links a.contact {
        background: linear-gradient(to left, var(--bleu-clair), var(--white));
        background-size: 200% auto;
        background-position: left center;
        transition: background-position 0.3s ease-out;
    }

    .nav-links a.contact:hover{
        background-position: right center;
    }

    .nav-links a.contact.active {
        background: var(--bleu-clair);
        border: 1px solid var(--bleu-fonce);
        text-decoration: none;
    }
}