.site-mobile-menu-toggle,
.site-mobile-menu,
.site-mobile-menu-overlay {
    display: none;
}

@media (max-width: 768px) {
    body.site-mobile-menu-open {
        overflow: hidden;
    }

    .nav .nav__right {
        display: none;
    }

    .site-mobile-menu-toggle {
        width: 44px;
        height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 1px solid var(--border, #e5e7eb);
        border-radius: 14px;
        background: rgba(255,255,255,.96);
        color: var(--text, #1a1a1a);
        cursor: pointer;
        box-shadow: 0 2px 12px rgba(0,0,0,.08);
    }

    .site-mobile-menu-toggle span,
    .site-mobile-menu-toggle span::before,
    .site-mobile-menu-toggle span::after {
        width: 19px;
        height: 2px;
        display: block;
        position: relative;
        border-radius: 99px;
        background: currentColor;
        transition: transform .2s, opacity .2s;
    }

    .site-mobile-menu-toggle span::before,
    .site-mobile-menu-toggle span::after {
        content: '';
        position: absolute;
        left: 0;
    }

    .site-mobile-menu-toggle span::before { top: -6px; }
    .site-mobile-menu-toggle span::after { top: 6px; }
    .site-mobile-menu-toggle[aria-expanded="true"] span { background: transparent; }
    .site-mobile-menu-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
    .site-mobile-menu-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

    .site-mobile-menu-overlay {
        position: fixed;
        inset: 0;
        z-index: 998;
        background: rgba(18,18,18,.36);
        backdrop-filter: blur(3px);
    }

    .site-mobile-menu-overlay.is-open { display: block; }

    .site-mobile-menu {
        position: fixed;
        z-index: 999;
        top: calc(76px + env(safe-area-inset-top));
        left: 20px;
        right: 20px;
        padding: 12px;
        border: 1px solid var(--border, #e5e7eb);
        border-radius: 20px;
        background: rgba(255,255,255,.98);
        box-shadow: 0 20px 55px rgba(0,0,0,.16);
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: transform .2s, opacity .2s;
    }

    .site-mobile-menu.is-open {
        display: flex;
        flex-direction: column;
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .site-mobile-menu a:not(.btn) {
        min-height: 48px;
        display: flex;
        align-items: center;
        padding: 0 14px;
        border-radius: 12px;
        color: var(--text, #1a1a1a);
        font-size: 15px;
        font-weight: 600;
        text-decoration: none;
    }

    .site-mobile-menu a:not(.btn):hover,
    .site-mobile-menu a:not(.btn):focus-visible {
        background: var(--tag-bg, #f3f4f6);
        color: var(--primary, #2e7a5e);
    }

    .site-mobile-menu .btn {
        width: 100%;
        min-height: 48px;
        margin-top: 8px;
    }
}