/* td-banner-nav - mobile first */

.td-banner-nav {
    width: 100%;
    position: relative;
    z-index: 100;
}

.td-banner-nav__inner {
    display: flex;
    flex-direction: column;
    gap: 10px;
    gap: 10vw;
}

/* colonne générique */
.td-banner-nav__col {
    position: relative;
    border: 1px solid #e0e6ef;
}



/* bouton déclencheur et wrapper recherche */
.td-banner-nav__trigger,
.td-banner-nav__search-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 25px 25px;
    background: transparent;
    background-color: rgba(17, 29, 65, .5);
    border: none;
    cursor: pointer;
    text-align: left;
    color: #1a3a5c;
    font-family: inherit;
    gap: 12px;
}

.td-banner-nav__search-wrapper {
    cursor: default;
    flex-wrap: wrap;
    gap: 10px;
}

.td-banner-nav__label {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    flex: 1;
    color: #fff;
}
@media all and (min-width: 1000px){
    .td-banner-nav__label,
    .td-banner-nav__search-form-wrap {
        flex: 1;
    }
}
@media all and (max-width: 1000px){
    .td-banner-nav__label{
        width: 100%;
    }
}

.td-banner-nav__arrow {
    font-size: 1rem;
    transition: transform 0.25s ease;
    color: #fff;
    flex-shrink: 0;
}

.td-banner-nav__trigger[aria-expanded="true"] .td-banner-nav__arrow {
    transform: rotate(180deg);
}

/* dropdown */
.td-banner-nav__dropdown {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.3s ease, opacity 0.25s ease;
    opacity: 0;
    background: #f7fafd;
    border-top: 1px solid #e0e6ef;
}

.td-banner-nav__dropdown.is-open {
    max-height: 400px;
    width: 100%;
    opacity: 1;
}

.td-banner-nav__list {
    margin: 0;
    padding: 1vw;
    list-style: none;
}

.td-banner-nav__item a {
    display: block;
    padding: 12px 24px;
    color: #1a3a5c;
    text-decoration: none;
    font-size: 0.92rem;
    border-bottom: 1px solid #254a5d;
    transition: background 0.15s, color 0.15s;
}

.td-banner-nav__item:last-child a {
    border-bottom: none;
}

.td-banner-nav__item a:hover,
.td-banner-nav__item a:focus {
    background: #e6f0fb;
    color: #1a5ea8;
    outline: none;
}

/* colonne recherche */
.td-banner-nav__search-form-wrap {
    display: flex;
    align-items: center;
  
    min-width: 160px;
    border: 1.5px solid transparent;
    border-radius: 4px;
    overflow: hidden;
    background: transparent;
}

.td-banner-nav__search-input {
    flex: 1;
    border: 1px transparent solid;
    padding: 8px 12px;
    font-size: 0.9rem;
    color: #fff;
    background-color: transparent;
    outline: none;
    min-width: 0;
}

.td-banner-nav__search-input::placeholder {
    color: #fff;
}

.td-banner-nav__search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
     background-color: transparent;
    border: none;
    cursor: pointer;
    color: #fff;
    transition: background 0.15s;
    flex-shrink: 0;
}

.td-banner-nav__search-btn:hover,
.td-banner-nav__search-btn:focus {
    background: #154c8a;
    outline: none;
}

/* ============================================================
   breakpoint 1000px - disposition en 3 colonnes côte à côte
   ============================================================ */
@media (min-width: 1000px) {

    .td-banner-nav__inner {
        flex-direction: row;
        align-items: stretch;
        gap:15px;
        gap: 2vw;
    }

    .td-banner-nav__col {
        flex: 1;

        border-right: 1px solid #e0e6ef;
    }

    

    .td-banner-nav__trigger{
        height: 100%;
        padding: 25px;
    }
    .td-banner-nav__search-wrapper {
        height: 100%;
        padding: 0;
    }

    .td-banner-nav__search-wrapper .td-banner-nav__label{
        display: none;
    }

    /* dropdown positionné en absolu sous la colonne */
    .td-banner-nav__dropdown {
        position: absolute;
        top: 100%;
        left: 0;
        min-width: 220px;
        max-height: 0;
        opacity: 0;
        border-top: none;
        box-shadow: 0 8px 24px rgba(26, 58, 92, 0.12);
        z-index: 200;
    }

    .td-banner-nav__dropdown.is-open {
        max-height: 400px;
        opacity: 1;
    }

    .td-banner-nav__item a {
        padding: 14px 22px;
    }

    .td-banner-nav__col--search {
        flex: 1;
    }

    .td-banner-nav__search-wrapper {
        flex-wrap: nowrap;
    }
}