/* =========================================================
   ALL DIGITAL — MOBILE NAVIGATION
   Desktop navigation remains unchanged.
   ========================================================= */

.mobile-nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    padding: 9px;
    border: 0;
    background: transparent;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}

.mobile-nav-toggle span {
    display: block;
    width: 23px;
    height: 2px;
    background: var(--navy);
    transition: transform .2s ease, opacity .2s ease;
}

@media (max-width: 900px) {
    .site-header {
        position: relative;
        z-index: 1000;
    }

    .header-inner {
        position: relative;
    }

    .mobile-nav-toggle {
        display: flex;
        flex: 0 0 auto;
        margin-left: auto;
    }

    /* Override the old rule that hides all links except Contact. */
    .main-nav,
    .main-nav a:not(.nav-contact) {
        display: none;
    }

    .main-nav {
        position: absolute;
        top: calc(100% + 1px);
        left: 0;
        right: 0;
        z-index: 1001;
        width: 100%;
        gap: 0;
        padding: 8px 0;
        background: #ffffff;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 12px 28px rgba(16, 37, 49, 0.12);
    }

    .main-nav.is-open {
        display: flex;
        flex-direction: column;
        align-items: stretch;
    }

    .main-nav.is-open a,
    .main-nav.is-open a:not(.nav-contact) {
        display: block;
        width: 100%;
        padding: 13px var(--page-gutter);
        color: var(--navy);
        background: #ffffff;
        font-size: 14px;
        line-height: 1.35;
    }

    .main-nav.is-open a + a {
        border-top: 1px solid #eef2f4;
    }

    .main-nav.is-open a:hover,
    .main-nav.is-open a:focus-visible {
        color: var(--blue);
        background: #f6f9fa;
    }

    .mobile-nav-toggle[aria-expanded="true"] span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .mobile-nav-toggle[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
    }

    .mobile-nav-toggle[aria-expanded="true"] span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}

@media (max-width: 600px) {
    .mobile-nav-toggle {
        width: 38px;
        height: 38px;
        padding: 8px;
    }

    .mobile-nav-toggle span {
        width: 22px;
    }

    .main-nav.is-open a,
    .main-nav.is-open a:not(.nav-contact) {
        padding-top: 12px;
        padding-bottom: 12px;
        font-size: 13px;
    }
}