/* ===== MOBILE NAV ===== */

.nav-toggle,
.nav-open,
.nav-backdrop,
.mobile-nav-head {
    display: none;
}

.nav-open {
    width: 44px;
    height: 44px;
    border: 1px solid rgba(245, 197, 24, .28);
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    gap: 5px;
    flex-direction: column;
    background: rgba(255, 255, 255, .03);
    cursor: pointer;
}

.nav-open span {
    width: 20px;
    height: 2px;
    background: var(--gold);
    border-radius: 4px;
}

.nav-close {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(245, 197, 24, .22);
    border-radius: 8px;
    color: var(--gold);
    font-size: 1.7rem;
    line-height: 1;
    cursor: pointer;
}

/* ป้องกันลากจอไปเจอเมนู */
html,
body {
    width: 100%;
    overflow-x: hidden;
}

@media (max-width: 860px) {

    .site-header {
        flex-direction: row;
        align-items: center;
    }

    .nav-open {
        display: flex;
    }

    .mobile-nav-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        padding-bottom: 1rem;
        border-bottom: 1px solid rgba(245, 197, 24, .16);
    }

    .site-nav {
        position: fixed;
        top: 0;
        right: -340px; /* ซ่อนออกนอกจอ */
        z-index: 60;

        width: min(82vw, 340px);
        max-width: 340px;
        height: 100vh;

        display: flex;
        flex-direction: column;
        gap: .65rem;
        padding: 1.1rem;

        background: #090a13;
        border-left: 1px solid rgba(245, 197, 24, .22);
        box-shadow: -18px 0 44px rgba(0, 0, 0, .45);

        transition: right .25s ease;
        overflow-y: auto;
    }

    .nav-toggle:checked ~ .site-nav {
        right: 0;
    }

    .site-nav a {
        width: 100%;
        flex: 0;
        padding: .9rem 1rem;
        text-align: left;
    }

    .site-nav a.active {
        background: var(--card);
    }

    .nav-backdrop {
        position: fixed;
        inset: 0;
        z-index: 50;
        background: rgba(0, 0, 0, .62);
        backdrop-filter: blur(3px);
    }

    .nav-toggle:checked ~ .nav-backdrop {
        display: block;
    }
}