/* Mobile Navigation — CrossBar
   Single breakpoint at <= 999px, desktop restored >= 1000px */

/* ===== MOBILE (<= 999px) ===== */
@media (max-width: 999px) {

    /* Hide desktop list; JS-driven overlay handles nav */
    .header .nav-links {
        display: none !important;
    }

    /* Hamburger shows on mobile */
    .header .mobile-toggle {
        display: inline-flex !important;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: 0;
        color: var(--color-text);
    }

    .header .mobile-toggle:hover,
    .header .mobile-toggle:focus {
        background: rgba(255, 255, 255, .10);
    }

    /* Close (X) button near hamburger (header context) */
    .mnav-close {
        position: relative;
        margin-left: .25rem;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        border: none;
        background: transparent;
        color: var(--color-text);
    }

    .mnav-close:not([hidden]):hover {
        background: rgba(255, 255, 255, .10);
    }

    /* Fullscreen overlay */
    .mnav[hidden] {
        display: none !important;
    }

    .mnav {
        position: fixed;
        inset: 0;
        z-index: 1400;
        display: grid;
        grid-template-columns: 1fr;
        background: var(--glass-bg);
        -webkit-backdrop-filter: blur(16px);
        backdrop-filter: blur(16px);
        border-top: 1px solid var(--glass-border);
        padding-top: 80px;
        /* below sticky header */
    }

    /* Click-anywhere scrim */
    .mnav-scrim {
        position: absolute;
        inset: 0;
        background: rgba(0, 0, 0, .45);
        z-index: 0;
    }

    /* Panels */
    .mnav-panel {
        position: relative;
        z-index: 1;
        /* above scrim */
        padding: 12px 20px 40px;
        overflow-y: auto;
    }

    .mnav-root {
        display: block;
    }

    .mnav-sub[hidden] {
        display: none !important;
    }

    /* Root items */
    .mnav-item {
        display: block;
        width: 100%;
        text-align: left;
        padding: 12px 14px;
        border-radius: 12px;
        color: var(--color-text);
        background: rgba(255, 255, 255, .06);
        border: 1px solid var(--glass-border);
        backdrop-filter: blur(6px);
        margin: 0 0 10px;
    }

    .mnav-item:hover,
    .mnav-item:focus {
        background: rgba(255, 106, 19, .12);
    }

    /* Sub-page header and list */
    .mnav-back {
        display: inline-flex;
        align-items: center;
        gap: .5rem;
        padding: 10px 12px;
        margin: 0 0 10px;
        border: 1px solid var(--glass-border);
        background: rgba(255, 255, 255, .04);
        color: var(--color-text);
        border-radius: 999px;
    }

    .mnav-title {
        margin: 6px 0 10px;
        font-size: 1.1rem;
    }

    .mnav-sublist {
        display: grid;
        gap: 8px;
        max-height: calc(100vh - 160px);
        /* keep header/back visible */
        overflow: auto;
    }

    .mnav-sublist a {
        display: block;
        padding: 10px 12px;
        border-radius: 10px;
        color: var(--color-text);
        background: rgba(255, 255, 255, .06);
        border: 1px solid var(--glass-border);
    }

    .mnav-sublist a:hover,
    .mnav-sublist a:focus {
        background: rgba(255, 106, 19, .12);
    }

    /* Panel slide animation (root dims, sub slides in) */
    .mnav {
        --dur: .24s;
    }

    .mnav.is-subopen .mnav-root {
        animation: mnav-slide-left var(--dur) both;
    }

    .mnav.is-subopen .mnav-sub {
        display: block !important;
        animation: mnav-slide-in var(--dur) both;
    }

    @keyframes mnav-slide-left {
        from {
            transform: translateX(0);
            opacity: 1;
        }

        to {
            transform: translateX(-10%);
            opacity: .45;
        }
    }

    @keyframes mnav-slide-in {
        from {
            transform: translateX(8%);
            opacity: 0;
        }

        to {
            transform: translateX(0);
            opacity: 1;
        }
    }

    /* Floating close inside overlay */
    .mnav-close--inmenu {
        position: fixed;
        top: 14px;
        right: clamp(12px, 8vw, 40px);
        width: 40px;
        height: 40px;
        border-radius: 50%;
        border: none;
        background: rgba(0, 0, 0, .35);
        color: var(--color-text);
        z-index: 1500;
    }

    .mnav-close--inmenu:hover {
        background: rgba(255, 255, 255, .12);
    }

    /* Make panels full height */
    .mnav-panel.mnav-root {
        height: 100vh;
        margin-left: 20vw5;
    }

    nav#mobile-nav {
        height: 100vh;
        width: 100%;
        margin-left: 0;
    }

    .source {
        margin-top: 50vh;
        margin-left: -10vw;
    }
}

/* ===== DESKTOP (>= 1000px) ===== */
@media (min-width: 1000px) {

    /* Restore desktop nav exactly as your theme expects */
    .header .nav-links {
        position: static !important;
        inset: auto !important;
        display: flex !important;
        flex-direction: row !important;
        align-items: center;
        gap: var(--space-md);
        padding: 0;
        background: transparent;
        border: 0;
        transform: none;
        visibility: visible;
        opacity: 1;
    }

    .header .dropdown {
        position: absolute !important;
        opacity: 0;
        visibility: hidden;
        transform: translateY(8px);
        background: var(--dropdown-bg);
        border: 1px solid var(--dropdown-border);
        box-shadow: var(--shadow-md);
        padding: .5rem 0;
    }

    .header .has-dropdown:hover>.dropdown,
    .header .has-dropdown:focus-within>.dropdown {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    /* Hide mobile-only UI */
    .header .mobile-toggle {
        display: none !important;
    }

    .mnav,
    .mnav.is-subopen {
        display: none !important;
    }
}

figure.my-lg img,
.glass img {
    min-inline-size: -webkit-fill-available;
    max-width: 833px;
}