.mobile-bottom-nav { display: none; }
.mobile-nav-sheet:not([open]) { display: none; }
.header-stars { display: none; }

@media (max-width: 1200px) {
    /* The existing preloader sets inline overflow after it closes. */
    body.has-mobile-nav { overflow-x: clip !important; }
    .has-mobile-nav .hamburger,
    .has-mobile-nav .nav-menu { display: none; }
    .has-mobile-nav .nav-container {
        padding-left: max(var(--spacing-md), env(safe-area-inset-left));
        padding-right: max(var(--spacing-md), env(safe-area-inset-right));
        justify-content: center;
        isolation: isolate;
    }
    .has-mobile-nav #header .logo {
        position: relative;
        transform: none;
        gap: 8px;
        max-width: 100%;
    }
    .has-mobile-nav #header .logo-icon {
        width: 38px;
        height: 48px;
        transform: none;
        flex-shrink: 0;
    }
    .has-mobile-nav #header .moon-icon {
        font-size: 38px;
        text-shadow: none;
    }
    .has-mobile-nav #header .logo-title {
        font-size: 23px;
        line-height: 1.5;
        text-shadow: none;
    }
    .has-mobile-nav #header .logo-title::before,
    .has-mobile-nav #header .logo-title::after { display: none; }
    .has-mobile-nav #header .logo-subtitle {
        display: block;
        font-size: 10px;
        line-height: 1.6;
        color: #e0c777;
        text-shadow: none;
    }
    .has-mobile-nav .header-stars {
        display: block;
        position: absolute;
        top: 0;
        bottom: 0;
        width: max(24px, calc(50% - 128px));
        pointer-events: none;
        color: #d4b75b;
    }
    .header-stars-start { inset-inline-start: 16px; }
    .header-stars-end { inset-inline-end: 16px; transform: rotate(180deg); }
    .header-stars::before {
        content: "";
        position: absolute;
        top: 50%;
        left: 12%;
        right: 22%;
        height: 1px;
        background: currentColor;
        opacity: .18;
    }
    .header-stars i {
        position: absolute;
        width: 9px;
        height: 9px;
        background: currentColor;
        clip-path: polygon(50% 0, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0 50%, 38% 38%);
        animation: header-star-drift 11s ease-in-out infinite;
    }
    .header-stars i:nth-child(1) { left: 16%; top: 23%; opacity: .8; }
    .header-stars i:nth-child(2) { right: 16%; top: 62%; width: 6px; height: 6px; opacity: .55; animation-duration: 14s; animation-delay: -5s; animation-direction: reverse; }
    .header-stars i:nth-child(3) { left: 40%; top: 76%; width: 3px; height: 3px; opacity: .6; animation-duration: 9s; animation-delay: -3s; }
    .header-stars i:nth-child(4) { left: 58%; top: 15%; width: 5px; height: 5px; animation-duration: 8s; animation-delay: -2s; }
    .header-stars i:nth-child(5) { left: 6%; top: 65%; width: 4px; height: 4px; animation-duration: 12s; animation-delay: -6s; animation-direction: reverse; }
    .header-stars i:nth-child(6) { right: 4%; top: 35%; width: 7px; height: 7px; animation-duration: 10s; animation-delay: -4s; }
    .header-stars-end i { animation-delay: -7s; }
    @keyframes header-star-drift {
        0%, 100% { transform: translate(0, 2px) rotate(0deg) scale(.8); opacity: .4; }
        35% { transform: translate(4px, -9px) rotate(35deg) scale(1.15); opacity: 1; }
        70% { transform: translate(-3px, -4px) rotate(-20deg) scale(.9); opacity: .65; }
    }
    @media (prefers-reduced-motion: reduce) {
        .header-stars i { animation: none; }
    }
    @media (max-width: 359px) {
        .has-mobile-nav #header .logo-title { font-size: 20px; }
        .has-mobile-nav #header .logo-subtitle { font-size: 9px; }
        .has-mobile-nav .header-stars { width: 24px; }
    }
    .mobile-bottom-nav {
        --nav-accent: #28dfaa;
        position: fixed;
        z-index: 1050;
        inset: auto 16px calc(14px + env(safe-area-inset-bottom));
        width: calc(100% - 32px);
        max-width: 328px;
        height: 54px;
        margin-inline: auto;
        display: grid;
        grid-template-columns: minmax(0, 1fr) 44px;
        align-items: center;
        gap: 8px;
        direction: rtl;
        box-sizing: border-box;
    }
    .mobile-nav-track,
    .mobile-bottom-nav > button::before {
        border: 1px solid rgba(220, 239, 231, .14);
        background: rgba(12, 16, 17, .96);
        box-shadow: inset 0 1px 1px rgba(255, 255, 255, .04), 0 4px 16px rgba(0, 0, 0, .22);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }
    .mobile-nav-track {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        place-items: center;
        height: 54px;
        padding: 3px;
        border-radius: 999px;
        box-sizing: border-box;
    }
    .mobile-bottom-nav a,
    .mobile-bottom-nav button {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2px;
        min-width: 0;
        padding: 0;
        border-radius: 50%;
        color: #a9b3af;
        text-decoration: none;
        font: 600 10px/1.4 var(--font-primary, 'Cairo', sans-serif);
        letter-spacing: 0;
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
        transition: color 160ms ease, background-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
        box-sizing: border-box;
    }
    .mobile-nav-track a {
        width: 46px;
        max-width: 100%;
        height: 46px;
        border: 1px solid transparent;
        background: transparent;
        padding-bottom: 3px;
    }
    .mobile-bottom-nav > button { width: 44px; height: 44px; border: 0; background: transparent; }
    /* Keep a 44px touch target around the smaller visible More button. */
    .mobile-bottom-nav > button::before { content: ""; position: absolute; inset: 4px; border-radius: inherit; pointer-events: none; }
    .mobile-bottom-nav i { font-size: 17px; line-height: 19px; }
    .mobile-bottom-nav > button i { position: relative; font-size: 16px; }
    .mobile-bottom-nav span { white-space: nowrap; }
    .mobile-bottom-nav [aria-current="page"],
    .mobile-bottom-nav .is-current,
    .mobile-bottom-nav [aria-expanded="true"] {
        color: var(--nav-accent);
    }
    .mobile-nav-track [aria-current="page"],
    .mobile-bottom-nav > button.is-current::before,
    .mobile-bottom-nav > button[aria-expanded="true"]::before {
        background-color: #112b23;
        border-color: rgba(40, 223, 170, .06);
        box-shadow: inset 0 0 14px rgba(40, 223, 170, .04);
    }
    .mobile-bottom-nav [aria-current="page"] i {
        filter: drop-shadow(0 0 5px rgba(40, 223, 170, .24));
    }
    .mobile-bottom-nav [aria-current="page"]::after {
        content: "";
        width: 3px;
        height: 3px;
        position: absolute;
        bottom: 3px;
        border-radius: 50%;
        background: var(--nav-accent);
        box-shadow: 0 0 5px rgba(40, 223, 170, .35);
    }
    .mobile-bottom-nav a:active,
    .mobile-bottom-nav button:active { transform: scale(.94); }
    .mobile-bottom-nav a:focus-visible,
    .mobile-bottom-nav button:focus-visible,
    .mobile-nav-sheet a:focus-visible,
    .mobile-nav-sheet button:focus-visible {
        outline: 2px solid #28dfaa;
        outline-offset: 3px;
    }
    .has-mobile-nav { padding-bottom: calc(86px + env(safe-area-inset-bottom)); }
    .has-mobile-nav .back-to-top,
    .has-mobile-nav .browser-back-btn { bottom: calc(90px + env(safe-area-inset-bottom)) !important; }
    .mobile-bottom-nav.keyboard-hidden { display: none; }
    body.mobile-nav-open { overflow: hidden; }
    .mobile-nav-sheet {
        position: fixed;
        inset: auto 16px calc(82px + env(safe-area-inset-bottom));
        width: calc(100% - 32px);
        max-width: 440px;
        max-height: calc(100dvh - 160px - env(safe-area-inset-bottom));
        margin-inline: auto;
        padding: 20px;
        border: 1px solid rgba(220, 239, 231, .14);
        border-radius: 20px;
        color: #edf4f0;
        background: #101717;
        box-shadow: 0 16px 48px rgba(0, 0, 0, .35);
        font-family: var(--font-primary, 'Cairo', sans-serif);
        direction: rtl;
        overflow-y: auto;
        overscroll-behavior: contain;
        box-sizing: border-box;
    }
    .mobile-nav-sheet::backdrop { background: rgba(5, 12, 10, .48); }
    .mobile-nav-sheet-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
    .mobile-nav-sheet-header h2 { margin: 0; font-size: 17px; color: #edf4f0; letter-spacing: 0; }
    .mobile-nav-close { display: grid; place-items: center; width: 44px; height: 44px; flex-shrink: 0; border: 1px solid rgba(220, 239, 231, .1); border-radius: 50%; color: #a9b3af; background: transparent; font-size: 18px; cursor: pointer; }
    .mobile-nav-sections { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 16px; }
    .mobile-nav-sections a { display: flex; align-items: center; gap: 10px; padding: 14px 0; min-height: 56px; border-bottom: 1px solid rgba(220, 239, 231, .08); color: #d5dfda; font-size: 13px; text-decoration: none; line-height: 1.8; }
    .mobile-nav-sections a i:first-child { width: 22px; flex-shrink: 0; text-align: center; color: #70b8a2; font-size: 18px; }
    .mobile-nav-sections a span { flex: 1; overflow-wrap: anywhere; }
    .mobile-nav-sections a i:last-child { color: #788c84; font-size: 12px; }
    .mobile-nav-sections a[aria-current="page"] { color: #28dfaa; font-weight: 700; }
}
@media (max-width: 1200px) and (hover: hover) {
    .mobile-nav-track a:hover:not([aria-current="page"]),
    .mobile-bottom-nav > button:hover:not([aria-expanded="true"]):not(.is-current) { color: #edf4f0; }
    .mobile-nav-track a:hover:not([aria-current="page"]),
    .mobile-bottom-nav > button:hover:not([aria-expanded="true"]):not(.is-current)::before { background-color: #1b2522; }
    .mobile-nav-sections a:hover, .mobile-nav-close:hover { color: #28dfaa; }
}
@media (max-width: 360px) {
    .mobile-bottom-nav { inset-inline: 12px; width: calc(100% - 24px); gap: 8px; }
    .mobile-bottom-nav a { font-size: 10px; }
    .mobile-nav-sheet { padding: 16px; }
    .mobile-nav-sections { column-gap: 12px; }
    .mobile-nav-sections a { font-size: 12px; gap: 6px; }
}
@media (prefers-reduced-motion: reduce) {
    .mobile-bottom-nav a, .mobile-bottom-nav button { transition: none; }
}
@media print {
    .mobile-bottom-nav, .mobile-nav-sheet { display: none !important; }
    .has-mobile-nav { padding-bottom: 0 !important; }
}