/* ========================================================================
   MWS Landing Topbar — tablet/mobile
   M-OS inspired single-circle navigation.
   Desktop (> 900px) intentionally remains untouched.
   ======================================================================== */

@media (max-width: 900px) {
    .home-page .site-header {
        --landing-topbar-size: 50px;
        position: fixed !important;
        top: calc(10px + var(--safe-top, 0px)) !important;
        right: 10px !important;
        left: auto !important;
        z-index: 420 !important;
        display: block !important;
        width: var(--landing-topbar-size) !important;
        min-width: var(--landing-topbar-size) !important;
        max-width: var(--landing-topbar-size) !important;
        height: var(--landing-topbar-size) !important;
        min-height: var(--landing-topbar-size) !important;
        margin: 0 !important;
        padding: 0 !important;
        overflow: visible !important;
        border: 0 !important;
        border-radius: 50% !important;
        background: transparent !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        pointer-events: none;
    }

    /* Landing logo is intentionally hidden on tablet/mobile. */
    .home-page .site-header > .brand {
        display: none !important;
    }

    /* The only visible element while the navigation is closed. */
    .home-page .nav-toggle {
        position: absolute !important;
        inset: 0 !important;
        z-index: 3 !important;
        display: grid !important;
        place-content: center !important;
        width: var(--landing-topbar-size) !important;
        min-width: var(--landing-topbar-size) !important;
        max-width: var(--landing-topbar-size) !important;
        height: var(--landing-topbar-size) !important;
        min-height: var(--landing-topbar-size) !important;
        margin: 0 !important;
        padding: 0 !important;
        gap: 0 !important;
        overflow: hidden !important;
        border: 1px solid color-mix(in srgb, var(--mws-border) 82%, rgba(var(--mws-primary-rgb), .24)) !important;
        border-radius: 50% !important;
        color: var(--mws-text) !important;
        background: color-mix(in srgb, var(--mws-topbar-bg) 86%, transparent) !important;
        box-shadow:
            0 12px 30px rgba(0,0,0,.18),
            0 0 0 1px rgba(var(--mws-primary-rgb), .035),
            inset 0 1px 0 rgba(255,255,255,.08) !important;
        backdrop-filter: blur(22px) saturate(1.08) !important;
        -webkit-backdrop-filter: blur(22px) saturate(1.08) !important;
        pointer-events: auto;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
        transition:
            transform .2s ease,
            border-color .2s ease,
            background .2s ease,
            box-shadow .2s ease !important;
    }

    html[data-theme="light"] .home-page .nav-toggle {
        background: color-mix(in srgb, rgba(255,255,255,.78) 88%, transparent) !important;
        box-shadow:
            0 12px 30px rgba(64,39,92,.13),
            0 0 0 1px rgba(var(--mws-primary-rgb), .03),
            inset 0 1px 0 rgba(255,255,255,.88) !important;
    }

    .home-page .nav-toggle:hover,
    .home-page .nav-toggle:focus-visible,
    .home-page .site-header.is-open .nav-toggle {
        border-color: rgba(var(--mws-primary-rgb), .48) !important;
        background: color-mix(in srgb, var(--mws-topbar-bg) 76%, rgba(var(--mws-primary-rgb), .12)) !important;
        box-shadow:
            0 14px 34px rgba(0,0,0,.2),
            0 0 0 3px rgba(var(--mws-primary-rgb), .08),
            inset 0 1px 0 rgba(255,255,255,.1) !important;
    }

    .home-page .nav-toggle:active {
        transform: scale(.96) !important;
    }

    .home-page .nav-toggle span {
        position: absolute !important;
        left: 50% !important;
        width: 18px !important;
        height: 1.7px !important;
        margin: 0 !important;
        border-radius: 999px !important;
        background: currentColor !important;
        transform-origin: center !important;
        transition: transform .22s ease, opacity .16s ease, top .22s ease !important;
    }

    .home-page .nav-toggle span:nth-child(1) {
        top: calc(50% - 6px) !important;
        transform: translateX(-50%) !important;
    }

    .home-page .nav-toggle span:nth-child(2) {
        top: calc(50% - 1px) !important;
        transform: translateX(-50%) !important;
    }

    .home-page .nav-toggle span:nth-child(3) {
        top: calc(50% + 4px) !important;
        transform: translateX(-50%) !important;
    }

    /* M-OS style close state. */
    .home-page .site-header.is-open .nav-toggle span:nth-child(1) {
        top: calc(50% - 1px) !important;
        transform: translateX(-50%) rotate(45deg) !important;
    }

    .home-page .site-header.is-open .nav-toggle span:nth-child(2) {
        opacity: 0 !important;
        transform: translateX(-50%) scaleX(.35) !important;
    }

    .home-page .site-header.is-open .nav-toggle span:nth-child(3) {
        top: calc(50% - 1px) !important;
        transform: translateX(-50%) rotate(-45deg) !important;
    }

    /* Floating menu. It never contributes to the page layout height. */
    .home-page .site-menu {
        position: absolute !important;
        top: calc(100% + 10px) !important;
        right: 0 !important;
        left: auto !important;
        z-index: 2 !important;
        display: grid !important;
        grid-template-columns: minmax(0, 1fr) !important;
        width: min(360px, calc(100vw - 20px)) !important;
        min-width: min(300px, calc(100vw - 20px)) !important;
        max-width: min(360px, calc(100vw - 20px)) !important;
        height: auto !important;
        max-height: min(560px, calc(100dvh - 84px)) !important;
        margin: 0 !important;
        padding: 12px !important;
        align-items: stretch !important;
        gap: 10px !important;
        overflow-x: hidden !important;
        overflow-y: auto !important;
        overscroll-behavior: contain;
        border: 1px solid var(--mws-border) !important;
        border-radius: 22px !important;
        background: color-mix(in srgb, var(--mws-topbar-bg) 88%, transparent) !important;
        box-shadow: var(--mws-shadow) !important;
        backdrop-filter: blur(24px) saturate(1.1) !important;
        -webkit-backdrop-filter: blur(24px) saturate(1.1) !important;
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
        transform: translateY(-8px) scale(.98) !important;
        transform-origin: top right !important;
        scrollbar-width: none !important;
        transition:
            opacity .18s ease,
            transform .24s cubic-bezier(.22,1,.36,1),
            visibility 0s linear .24s !important;
    }

    .home-page .site-menu::-webkit-scrollbar {
        display: none !important;
    }

    html[data-theme="light"] .home-page .site-menu {
        background: color-mix(in srgb, rgba(255,255,255,.84) 90%, transparent) !important;
        box-shadow: 0 22px 52px rgba(64,39,92,.16), inset 0 1px 0 rgba(255,255,255,.72) !important;
    }

    .home-page .site-header.is-open .site-menu {
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
        transform: translateY(0) scale(1) !important;
        transition:
            opacity .18s ease,
            transform .24s cubic-bezier(.22,1,.36,1),
            visibility 0s !important;
    }

    .home-page .site-menu-links {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        width: 100% !important;
        min-width: 0 !important;
        gap: 7px !important;
    }

    .home-page .site-menu-links > a {
        display: flex !important;
        align-items: center !important;
        justify-content: flex-start !important;
        min-width: 0 !important;
        min-height: 44px !important;
        padding: 9px 11px !important;
        border: 1px solid rgba(var(--mws-primary-rgb), .12) !important;
        border-radius: 14px !important;
        color: var(--mws-muted) !important;
        background: rgba(255,255,255,.035) !important;
        font-size: .76rem !important;
        font-weight: 800 !important;
        line-height: 1.25 !important;
        text-align: left !important;
        white-space: normal !important;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }

    .home-page .site-menu-links > a:hover,
    .home-page .site-menu-links > a:focus-visible,
    .home-page .site-menu-links > a.is-active {
        color: var(--mws-text) !important;
        border-color: rgba(var(--mws-primary-rgb), .28) !important;
        background: rgba(var(--mws-primary-rgb), .11) !important;
    }

    html[data-theme="light"] .home-page .site-menu-links > a {
        background: rgba(255,255,255,.5) !important;
    }

    .home-page .site-menu-actions {
        display: grid !important;
        grid-template-columns: minmax(82px, .9fr) minmax(110px, 1.2fr) 44px !important;
        width: 100% !important;
        min-width: 0 !important;
        margin: 0 !important;
        padding: 10px 0 0 !important;
        align-items: center !important;
        gap: 7px !important;
        border-top: 1px solid rgba(var(--mws-primary-rgb), .11) !important;
    }

    .home-page .site-language-group {
        min-width: 0 !important;
    }

    .home-page .site-menu-actions .topbar-language-trigger,
    .home-page .site-menu-actions .login-link,
    .home-page .site-menu-actions .theme-toggle {
        min-height: 44px !important;
        margin: 0 !important;
        border-radius: 14px !important;
        touch-action: manipulation;
    }

    .home-page .site-menu-actions .topbar-language-trigger,
    .home-page .site-menu-actions .login-link {
        width: 100% !important;
        padding-inline: 10px !important;
    }

    .home-page .site-menu-actions .theme-toggle {
        width: 44px !important;
        min-width: 44px !important;
        padding: 0 !important;
    }

    .home-page .site-language-group .topbar-language-menu {
        top: calc(100% + 7px) !important;
        right: auto !important;
        left: 0 !important;
        z-index: 440 !important;
    }

    /* Header is a true overlay; the hero needs no large navigation offset. */
    .home-page .hero {
        padding-top: clamp(28px, 7vw, 56px) !important;
    }
}

@media (max-width: 560px) {
    .home-page .site-header {
        --landing-topbar-size: 44px;
        top: calc(8px + var(--safe-top, 0px)) !important;
        right: 8px !important;
    }

    .home-page .site-menu {
        top: calc(100% + 8px) !important;
        width: min(348px, calc(100vw - 16px)) !important;
        min-width: min(280px, calc(100vw - 16px)) !important;
        max-width: min(348px, calc(100vw - 16px)) !important;
        max-height: calc(100dvh - 68px) !important;
        padding: 10px !important;
        border-radius: 20px !important;
    }

    .home-page .site-menu-links {
        gap: 6px !important;
    }

    .home-page .site-menu-links > a {
        min-height: 42px !important;
        padding: 8px 9px !important;
        border-radius: 12px !important;
        font-size: .71rem !important;
    }

    .home-page .site-menu-actions {
        grid-template-columns: minmax(78px, .9fr) minmax(100px, 1.2fr) 42px !important;
        gap: 6px !important;
        padding-top: 8px !important;
    }

    .home-page .site-menu-actions .topbar-language-trigger,
    .home-page .site-menu-actions .login-link,
    .home-page .site-menu-actions .theme-toggle {
        min-height: 42px !important;
    }

    .home-page .site-menu-actions .theme-toggle {
        width: 42px !important;
        min-width: 42px !important;
    }

    .home-page .hero {
        padding-top: 30px !important;
    }
}

@media (max-width: 380px) {
    .home-page .site-menu-links {
        grid-template-columns: minmax(0, 1fr) !important;
    }

    .home-page .site-menu-actions {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 42px !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .home-page .nav-toggle,
    .home-page .nav-toggle span,
    .home-page .site-menu {
        transition: none !important;
    }
}