/* ==========================================================================
   CertLab — Navigation Menu  (nav.css)
   2-level static menu · mobile/tablet drawer (≤1024px) · user dropdown · bell
   ========================================================================== */


/* ──────────────────────────────────────────────────────────────────────────
   Ensure nav bar sits above the mobile overlay (overlay: 899, drawer: 900)
   ────────────────────────────────────────────────────────────────────────── */
.cl-nav { z-index: 1000; }


/* ──────────────────────────────────────────────────────────────────────────
   Hamburger toggle button
   Hidden on wide desktop; shown via media query below at ≤1024px
   ────────────────────────────────────────────────────────────────────────── */
.cl-nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 7px;
    border-radius: 10px;
    background: none;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
    transition: background var(--cl-ease);
}
.cl-nav__toggle:hover { background: rgba(255,255,255,.8); }

.cl-nav__toggle span {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 2px;
    background: var(--cl-ink);
    transform-origin: center;
    transition: transform .26s cubic-bezier(.22,1,.36,1),
                opacity  .2s ease,
                width    .2s ease;
}
.cl-nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.cl-nav__toggle.is-open span:nth-child(2) { opacity: 0; width: 0; }
.cl-nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ──────────────────────────────────────────────────────────────────────────
   Mobile overlay / backdrop
   ────────────────────────────────────────────────────────────────────────── */
.cl-nav__overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 36, .45);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 899;
    animation: clNavFadeIn .22s ease;
}
.cl-nav__overlay.is-active { display: block; }

@keyframes clNavFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}


/* ══════════════════════════════════════════════════════════════════════════
   WIDE DESKTOP  (> 1024 px)  — horizontal menu
   ══════════════════════════════════════════════════════════════════════════ */
@media (min-width: 1025px) {

    /* ── Container ──────────────────────────────────────────────────────── */
    .cl-nav__static-menu {
        display: flex !important;
        align-items: center;
        flex: 1;
        min-width: 0;
        justify-content: center;
    }

    .cl-nav__static-list {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        align-items: center;
        gap: 2px;
    }

    /* ── Level-1 items ──────────────────────────────────────────────────── */
    .cl-nav__static-list > li {
        position: relative;
    }

    .cl-nav__static-list > li > a,
    .cl-nav__static-list > li > span {
        display: flex;
        align-items: center;
        gap: 5px;
        padding: 8px 14px;
        font-size: .9rem;
        font-weight: 700;
        color: var(--cl-muted);
        text-decoration: none;
        border-radius: var(--cl-radius-full);
        white-space: nowrap;
        cursor: pointer;
        line-height: 1;
        transition: background var(--cl-ease), color var(--cl-ease);
    }

    .cl-nav__static-list > li > a:hover {
        color: var(--cl-ink);
        background: rgba(255,255,255,.8);
    }

    /* Active / current page */
    .cl-nav__static-list > li.active > a,
    .cl-nav__static-list > li.child-active > a {
        color: var(--cl-blue);
        background: rgba(37,83,255,.08);
    }

    /* Chevron indicator for parent items */
    .cl-nav__static-list > li:has(> ul) > a::after {
        content: '';
        display: inline-block;
        width: 6px;
        height: 6px;
        border-right: 2px solid currentColor;
        border-bottom: 2px solid currentColor;
        border-radius: 1px;
        transform: rotate(45deg);
        opacity: .5;
        flex-shrink: 0;
        margin-top: -2px;
        transition: transform .22s ease, margin-top .22s ease, opacity .18s;
    }
    .cl-nav__static-list > li:has(> ul):hover > a::after {
        transform: rotate(225deg);
        margin-top: 3px;
        opacity: .8;
    }

    /* ── Level-2 Dropdown ───────────────────────────────────────────────── */
    .cl-nav__static-list > li > ul {
        list-style: none;
        margin: 0;
        padding: 6px;
        position: absolute;
        top: calc(100% + 10px);
        left: 50%;
        transform: translateX(-50%) translateY(8px);
        min-width: 200px;
        background: #fff;
        border: 1.5px solid rgba(22,32,46,.08);
        border-radius: 16px;
        box-shadow:
            0 4px 8px rgba(0,0,0,.06),
            0 20px 48px rgba(37,83,255,.12);
        z-index: 900;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition:
            opacity .22s ease,
            transform .22s ease,
            visibility .22s;
    }

    /* Arrow / caret pointing up */
    .cl-nav__static-list > li > ul::before {
        content: '';
        position: absolute;
        top: -7px;
        left: 50%;
        transform: translateX(-50%) rotate(45deg);
        width: 12px;
        height: 12px;
        background: #fff;
        border-top: 1.5px solid rgba(22,32,46,.08);
        border-left: 1.5px solid rgba(22,32,46,.08);
        border-radius: 3px 0 0 0;
    }

    /* Show on hover */
    .cl-nav__static-list > li:hover > ul {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateX(-50%) translateY(0);
    }

    /* ── Level-2 Items ──────────────────────────────────────────────────── */
    .cl-nav__static-list > li > ul > li > a,
    .cl-nav__static-list > li > ul > li > span {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 9px 12px;
        font-size: .875rem;
        font-weight: 600;
        color: var(--cl-ink);
        text-decoration: none;
        border-radius: 10px;
        white-space: nowrap;
        transition: background .15s, color .15s;
    }

    .cl-nav__static-list > li > ul > li + li {
        margin-top: 1px;
    }

    .cl-nav__static-list > li > ul > li > a:hover {
        background: rgba(37,83,255,.07);
        color: var(--cl-blue);
    }

    .cl-nav__static-list > li > ul > li.active > a {
        background: rgba(37,83,255,.10);
        color: var(--cl-blue);
        font-weight: 700;
    }
}


/* ══════════════════════════════════════════════════════════════════════════
   MOBILE + TABLET  (≤ 1024 px)  — hamburger + slide-in drawer
   ══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {

    /* Show hamburger (overrides app.css which only shows at ≤768px) */
    .cl-nav__toggle { display: flex !important; }

    /* Hide horizontal menu */
    .cl-nav__static-menu { display: none; }

    /* Push actions to the right */
    .cl-nav__actions { margin-left: auto; }

    /* ── Side drawer ────────────────────────────────────────────────────── */
    .cl-nav--open .cl-nav__static-menu {
        display: flex !important;
        position: fixed;
        top: 0;
        left: 0;
        width: min(300px, 82vw);
        height: 100dvh;
        background: #fff;
        border-right: 1.5px solid rgba(22,32,46,.08);
        box-shadow: 8px 0 40px rgba(15,23,36,.18);
        z-index: 900;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding: 60px 0 40px;
        flex-direction: column;
        align-items: stretch;
        animation: clNavSlideIn .28s cubic-bezier(.22,1,.36,1) both;
    }

    @keyframes clNavSlideIn {
        from { transform: translateX(-100%); }
        to   { transform: translateX(0); }
    }

    /* Drawer header label */
    .cl-nav--open .cl-nav__static-menu::before {
        content: 'Menu';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 52px;
        display: flex;
        align-items: center;
        padding: 0 20px;
        font-size: .75rem;
        font-weight: 800;
        letter-spacing: .1em;
        text-transform: uppercase;
        color: var(--cl-muted);
        border-bottom: 1px solid rgba(22,32,46,.07);
        background: #fff;
        pointer-events: none;
    }

    /* ── List ───────────────────────────────────────────────────────────── */
    .cl-nav__static-list {
        list-style: none;
        margin: 0;
        padding: 10px 12px;
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    /* ── Level-1 items ──────────────────────────────────────────────────── */
    .cl-nav__static-list > li > a,
    .cl-nav__static-list > li > span {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
        padding: 12px 14px;
        font-size: .95rem;
        font-weight: 700;
        color: var(--cl-ink);
        text-decoration: none;
        border-radius: 12px;
        cursor: pointer;
        transition: background .15s, color .15s;
    }

    .cl-nav__static-list > li > a:hover,
    .cl-nav__static-list > li > span:hover {
        background: rgba(37,83,255,.06);
        color: var(--cl-blue);
    }

    .cl-nav__static-list > li.active > a {
        color: var(--cl-blue);
        background: rgba(37,83,255,.08);
    }

    /* Chevron (rotates when open) */
    .cl-nav__static-list > li:has(> ul) > a::after {
        content: '';
        display: inline-block;
        width: 7px;
        height: 7px;
        border-right: 2px solid currentColor;
        border-bottom: 2px solid currentColor;
        border-radius: 1px;
        transform: rotate(45deg);
        opacity: .4;
        flex-shrink: 0;
        transition: transform .22s ease, opacity .18s;
    }
    .cl-nav__static-list > li.is-open:has(> ul) > a::after {
        transform: rotate(-135deg);
        opacity: .75;
    }

    /* ── Level-2 accordion ──────────────────────────────────────────────── */
    .cl-nav__static-list > li > ul {
        list-style: none;
        margin: 4px 0 4px 14px;
        padding: 4px;
        background: rgba(37,83,255,.04);
        border: 1px solid rgba(37,83,255,.09);
        border-radius: 12px;
        display: none;
    }
    .cl-nav__static-list > li.is-open > ul {
        display: block;
    }

    .cl-nav__static-list > li > ul > li > a,
    .cl-nav__static-list > li > ul > li > span {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 10px 12px;
        font-size: .875rem;
        font-weight: 600;
        color: var(--cl-muted);
        text-decoration: none;
        border-radius: 8px;
        transition: background .15s, color .15s;
    }

    .cl-nav__static-list > li > ul > li > a:hover {
        background: rgba(37,83,255,.08);
        color: var(--cl-blue);
    }

    .cl-nav__static-list > li > ul > li.active > a {
        color: var(--cl-blue);
        font-weight: 700;
    }
}


/* ══════════════════════════════════════════════════════════════════════════
   Bell icon
   ══════════════════════════════════════════════════════════════════════════ */
.cl-nav__bell {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    color: var(--cl-ink);
    font-size: 1.1rem;
    text-decoration: none;
    transition: background var(--cl-ease), color var(--cl-ease);
}
.cl-nav__bell:hover {
    background: rgba(255,255,255,.8);
    color: var(--cl-blue);
}

.cl-nav__bell-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 17px;
    height: 17px;
    padding: 0 4px;
    border-radius: 9999px;
    background: #ef4444;
    color: #fff;
    font-size: .65rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    border: 2px solid #fff;
}


/* ══════════════════════════════════════════════════════════════════════════
   User avatar / dropdown
   ══════════════════════════════════════════════════════════════════════════ */
.cl-nav__user-menu { position: relative; }

.cl-nav__avatar-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px;
    border-radius: 10px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--cl-ink);
    font-family: var(--cl-font-body);
    font-size: .9rem;
    font-weight: 600;
    transition: background var(--cl-ease);
}
.cl-nav__avatar-btn:hover { background: rgba(255,255,255,.8); }

.cl-nav__avatar-img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(22,32,46,.1);
    flex-shrink: 0;
}

.cl-nav__avatar-initials {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--cl-blue);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .95rem;
    font-weight: 700;
    flex-shrink: 0;
}

.cl-nav__user-label {
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
@media (max-width: 600px) { .cl-nav__user-label { display: none; } }

.cl-nav__chevron {
    font-size: .72rem;
    transition: transform .2s ease;
}
.cl-nav__user-menu.is-open .cl-nav__chevron { transform: rotate(180deg); }

.cl-nav__dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 190px;
    padding: 6px;
    background: #fff;
    border: 1.5px solid rgba(22,32,46,.08);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(15,23,36,.12);
    z-index: 1000;
}
.cl-nav__user-menu.is-open .cl-nav__dropdown { display: block; }

.cl-nav__dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    font-size: .875rem;
    font-weight: 600;
    color: var(--cl-ink);
    text-decoration: none;
    border-radius: 10px;
    transition: background var(--cl-ease), color var(--cl-ease);
}
.cl-nav__dropdown-item:hover {
    background: rgba(37,83,255,.06);
    color: var(--cl-blue);
}
.cl-nav__dropdown-item--danger { color: #d9373a; }
.cl-nav__dropdown-item--danger:hover {
    background: rgba(239,68,68,.07);
    color: #c0272b;
}

.cl-nav__dropdown-divider {
    height: 1px;
    background: rgba(22,32,46,.07);
    margin: 4px 0;
}
+

/* ==========================================================================
   2026 header refresh — balanced for the bold gradient CertLab logo
   ========================================================================== */
.cl-nav {
    position: sticky;
    isolation: isolate;
    border-bottom: 1px solid rgba(3, 31, 66, .08);
    background: rgba(255, 255, 255, .88);
    box-shadow: 0 10px 32px rgba(3, 31, 66, .06);
    backdrop-filter: blur(20px) saturate(155%);
    -webkit-backdrop-filter: blur(20px) saturate(155%);
}

.cl-nav::after {
    content: '';
    position: absolute;
    z-index: -1;
    right: 0;
    bottom: -1px;
    left: 0;
    height: 2px;
    opacity: .65;
    background: linear-gradient(90deg, #ff4d48 0%, #a43fc7 46%, #076dff 100%);
}

.cl-nav .cl-nav__inner {
    min-height: 82px;
    gap: 24px;
    padding: 10px 0;
}

.cl-nav .cl-brand--image {
    width: 236px;
    height: 60px;
    transition: transform .2s ease, filter .2s ease;
}

.cl-nav .cl-brand--image:hover {
    transform: translateY(-1px);
    filter: saturate(1.08);
}

.cl-nav .cl-brand__logo {
    object-fit: contain;
    object-position: center;
}

.cl-nav__actions {
    flex-wrap: nowrap;
    min-width: max-content;
}

.cl-nav__signin {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 18px;
    border: 1px solid rgba(7, 109, 255, .18);
    border-radius: 14px;
    color: #fff;
    background: linear-gradient(110deg, #062b63 0%, #075dcc 52%, #087cff 100%);
    box-shadow: 0 10px 24px rgba(7, 93, 204, .2);
    font-size: .84rem;
    font-weight: 800;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}

.cl-nav__signin i { font-size: 1rem; }

.cl-nav__signin:hover {
    color: #fff;
    transform: translateY(-2px);
    filter: saturate(1.08);
    box-shadow: 0 14px 28px rgba(7, 93, 204, .28);
}

@media (min-width: 1025px) {
    .cl-nav__static-list { gap: 4px; }

    .cl-nav__static-list > li > a,
    .cl-nav__static-list > li > span {
        position: relative;
        min-height: 40px;
        padding: 0 13px;
        border: 1px solid transparent;
        border-radius: 13px;
        font-size: .84rem;
        font-weight: 700;
        letter-spacing: -.01em;
        transition: color .18s ease, background .18s ease, border-color .18s ease, transform .18s ease;
    }

    .cl-nav__static-list > li > a:hover {
        color: #052a60;
        border-color: rgba(7, 109, 255, .1);
        background: rgba(7, 109, 255, .055);
        transform: translateY(-1px);
    }

    .cl-nav__static-list > li.active > a,
    .cl-nav__static-list > li.child-active > a {
        color: #075dcc;
        border-color: rgba(7, 109, 255, .12);
        background: linear-gradient(135deg, rgba(255, 77, 72, .07), rgba(7, 109, 255, .09));
        box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .65);
    }

    .cl-nav__static-list > li.active > a::before,
    .cl-nav__static-list > li.child-active > a::before {
        content: '';
        position: absolute;
        right: 13px;
        bottom: 4px;
        left: 13px;
        height: 2px;
        border-radius: 99px;
        background: linear-gradient(90deg, #f94d56, #7b50e8, #087cff);
    }
}

@media (max-width: 1180px) and (min-width: 1025px) {
    .cl-nav .cl-nav__inner { gap: 12px; }
    .cl-nav .cl-brand--image { width: 205px; height: 54px; }
    .cl-nav__static-list > li > a,
    .cl-nav__static-list > li > span { padding: 0 10px; font-size: .78rem; }
    .cl-nav__signin { padding: 0 13px; }
}

@media (max-width: 1024px) {
    .cl-nav .cl-nav__inner {
        min-height: 72px;
        gap: 10px;
        padding: 8px 0;
    }

    .cl-nav .cl-brand--image {
        width: 184px;
        height: 48px;
    }

    .cl-nav__toggle {
        width: 44px;
        height: 44px;
        border: 1px solid rgba(3, 31, 66, .1);
        border-radius: 13px;
        background: #f5f8fc;
    }

    .cl-nav__toggle:hover { background: #edf4ff; }

    .cl-nav--open .cl-nav__static-menu {
        padding-top: 72px;
        background:
            radial-gradient(circle at 0 0, rgba(255, 77, 72, .08), transparent 28%),
            radial-gradient(circle at 100% 0, rgba(7, 109, 255, .1), transparent 34%),
            #fff;
    }

    .cl-nav--open .cl-nav__static-menu::before {
        height: 62px;
        color: #052a60;
        border-bottom: 1px solid rgba(3, 31, 66, .08);
        background: rgba(255, 255, 255, .82);
    }
}

@media (max-width: 600px) {
    .cl-nav .cl-nav__inner { min-height: 66px; }
    .cl-nav .cl-brand--image { width: 148px; height: 40px; }
    .cl-nav__signin {
        min-width: 42px;
        min-height: 42px;
        padding: 0 12px;
        border-radius: 12px;
    }
    .cl-nav__signin span { display: none; }
    .cl-nav__signin i { font-size: 1.1rem; }
}

@media (max-width: 380px) {
    .cl-nav .cl-brand--image { width: 132px; height: 38px; }
    .cl-nav__signin { display: none; }
}

/* ─── Homepage header alignment with the restrained palette ─── */
.cl-home .cl-nav {
    border-bottom-color: rgba(11,31,66,.09);
    background: rgba(255,255,255,.96);
    box-shadow: 0 5px 20px rgba(11,31,66,.07);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
.cl-home .cl-nav::after {
    height: 1px;
    opacity: 1;
    background: rgba(37,99,235,.28);
}
.cl-home .cl-nav .cl-nav__inner {
    min-height: 72px;
    padding-block: 7px;
}
.cl-home .cl-nav .cl-brand--image {
    width: 205px;
    height: 52px;
}
.cl-home .cl-nav__signin {
    min-height: 42px;
    border-color: #2563eb;
    border-radius: 12px;
    background: #2563eb;
    box-shadow: 0 8px 20px rgba(37,99,235,.18);
}
.cl-home .cl-nav__signin:hover {
    background: #1d4ed8;
    box-shadow: 0 11px 24px rgba(37,99,235,.24);
}
@media (min-width:1025px) {
    .cl-home .cl-nav__static-list > li > a,
    .cl-home .cl-nav__static-list > li > span {
        min-height: 38px;
        color: #5f6b80;
    }
    .cl-home .cl-nav__static-list > li > a:hover {
        color: #10213e;
        border-color: rgba(37,99,235,.1);
        background: rgba(37,99,235,.055);
    }
    .cl-home .cl-nav__static-list > li.active > a,
    .cl-home .cl-nav__static-list > li.child-active > a {
        color: #2563eb;
        border-color: rgba(37,99,235,.12);
        background: rgba(37,99,235,.075);
        box-shadow: none;
    }
    .cl-home .cl-nav__static-list > li.active > a::before,
    .cl-home .cl-nav__static-list > li.child-active > a::before {
        right: 14px;
        bottom: 3px;
        left: 14px;
        background: #2563eb;
    }
}
@media (max-width:1024px) {
    .cl-home .cl-nav .cl-nav__inner { min-height: 66px; padding-block: 6px; }
    .cl-home .cl-nav .cl-brand--image { width: 164px; height: 44px; }
    .cl-home .cl-nav__toggle { border-color: rgba(37,99,235,.12); background: #f4f7fc; }
}
@media (max-width:600px) {
    .cl-home .cl-nav .cl-brand--image { width: 146px; height: 40px; }
}

/* ─── Shared CertLab header across every frontend page ───── */
.cl-body .cl-nav {
    border-bottom-color: rgba(11,31,66,.09);
    background: rgba(255,255,255,.96);
    box-shadow: 0 5px 20px rgba(11,31,66,.07);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
.cl-body .cl-nav::after {
    height: 1px;
    opacity: 1;
    background: rgba(37,99,235,.28);
}
.cl-body .cl-nav .cl-nav__inner { min-height: 72px; padding-block: 7px; }
.cl-body .cl-nav .cl-brand--image { width: 205px; height: 52px; }
.cl-body .cl-nav__signin {
    min-height: 42px;
    border-color: #2563eb;
    border-radius: 12px;
    background: #2563eb;
    box-shadow: 0 8px 20px rgba(37,99,235,.18);
}
.cl-body .cl-nav__signin:hover {
    background: #1d4ed8;
    box-shadow: 0 11px 24px rgba(37,99,235,.24);
}
@media (min-width:1025px) {
    .cl-body .cl-nav__static-list > li > a,
    .cl-body .cl-nav__static-list > li > span {
        min-height: 38px;
        color: #5f6b80;
    }
    .cl-body .cl-nav__static-list > li > a:hover {
        color: #10213e;
        border-color: rgba(37,99,235,.1);
        background: rgba(37,99,235,.055);
    }
    .cl-body .cl-nav__static-list > li.active > a,
    .cl-body .cl-nav__static-list > li.child-active > a {
        color: #2563eb;
        border-color: rgba(37,99,235,.12);
        background: rgba(37,99,235,.075);
        box-shadow: none;
    }
    .cl-body .cl-nav__static-list > li.active > a::before,
    .cl-body .cl-nav__static-list > li.child-active > a::before {
        right: 14px;
        bottom: 3px;
        left: 14px;
        background: #2563eb;
    }
}
@media (max-width:1024px) {
    .cl-body .cl-nav .cl-nav__inner { min-height: 66px; padding-block: 6px; }
    .cl-body .cl-nav .cl-brand--image { width: 164px; height: 44px; }
    .cl-body .cl-nav__toggle { border-color: rgba(37,99,235,.12); background: #f4f7fc; }
}
@media (max-width:600px) {
    .cl-body .cl-nav .cl-brand--image { width: 146px; height: 40px; }
}

/* ─── Mobile navigation: compact header + thumb-friendly bottom sheet ─── */
@media (max-width: 600px) {
    .cl-nav,
    .cl-home .cl-nav,
    .cl-body .cl-nav {
        overflow: visible !important;
        background: #fff;
        box-shadow: 0 5px 18px rgba(11,31,66,.075);
        /* backdrop-filter creates a containing block that clips fixed children
           on mobile Safari/Chrome, so the sheet must use an opaque header. */
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
    .cl-nav > .cl-shell,
    .cl-nav .cl-nav__inner { overflow: visible !important; }
    .cl-nav::after,
    .cl-home .cl-nav::after,
    .cl-body .cl-nav::after {
        height: 1px;
        background: linear-gradient(90deg,rgba(37,99,235,.08),rgba(37,99,235,.42),rgba(37,99,235,.08));
    }
    .cl-nav .cl-nav__inner,
    .cl-home .cl-nav .cl-nav__inner,
    .cl-body .cl-nav .cl-nav__inner {
        min-height: 60px;
        padding-block: 5px;
        gap: 7px;
    }
    .cl-nav .cl-brand--image,
    .cl-home .cl-nav .cl-brand--image,
    .cl-body .cl-nav .cl-brand--image {
        width: 138px;
        height: 38px;
    }
    .cl-nav__actions { gap: 3px; }
    .cl-nav__bell { width: 38px; height: 38px; }
    .cl-nav__avatar-btn { min-width: 40px; min-height: 40px; padding: 2px; justify-content: center; }
    .cl-nav__avatar-img,
    .cl-nav__avatar-initials { width: 34px; height: 34px; }
    .cl-nav__chevron { display: none; }
    .cl-nav__toggle {
        width: 40px;
        height: 40px;
        margin-left: 2px;
        padding: 8px;
        border-color: rgba(37,99,235,.14);
        border-radius: 12px;
        background: #f1f5fb;
    }
    .cl-nav__toggle span { width: 20px; background: #17335d; }
    .cl-nav__toggle.is-open { border-color: rgba(37,99,235,.24); background: #eaf1ff; }

    .cl-nav__overlay {
        display: block;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        background: rgba(6,18,39,.46);
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
        animation: none;
        transition: opacity .28s ease, visibility 0s linear .28s;
    }
    .cl-nav__overlay.is-active {
        display: block;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transition: opacity .28s ease, visibility 0s;
    }

    .cl-nav .cl-nav__static-menu,
    .cl-nav--open .cl-nav__static-menu {
        display: flex !important;
        position: fixed;
        inset: auto 10px max(10px, env(safe-area-inset-bottom, 0px));
        width: auto;
        height: auto;
        max-height: min(76dvh, 620px);
        padding: 64px 8px calc(12px + env(safe-area-inset-bottom, 0px));
        overflow-x: hidden;
        overflow-y: auto;
        flex-direction: column;
        align-items: stretch;
        z-index: 1200;
        border: 1px solid rgba(20,46,82,.1);
        border-radius: 24px;
        color: var(--cl-ink);
        background: rgba(255,255,255,.985);
        box-shadow: 0 28px 80px rgba(3,18,45,.3);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translate3d(0,calc(100% + 24px),0) scale(.98);
        transform-origin: center bottom;
        animation: none;
        transition: opacity .22s ease,
                    transform .36s cubic-bezier(.2,.84,.22,1),
                    visibility 0s linear .36s;
    }
    .cl-nav--open .cl-nav__static-menu {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translate3d(0,0,0) scale(1);
        transition: opacity .22s ease,
                    transform .36s cubic-bezier(.2,.84,.22,1),
                    visibility 0s;
    }
    .cl-nav .cl-nav__static-menu::before,
    .cl-nav--open .cl-nav__static-menu::before {
        content: 'Explore CertLab';
        position: absolute;
        inset: 0 0 auto;
        height: 56px;
        padding: 17px 18px 10px;
        display: flex;
        align-items: center;
        color: #17335d;
        border-bottom: 1px solid rgba(20,46,82,.075);
        background: rgba(248,250,253,.92);
        font-size: .76rem;
        font-weight: 850;
        letter-spacing: .08em;
        text-transform: uppercase;
        pointer-events: none;
    }
    .cl-nav .cl-nav__static-menu::after {
        content: '';
        position: absolute;
        top: 8px;
        left: 50%;
        width: 38px;
        height: 4px;
        border-radius: 99px;
        background: #cbd5e1;
        transform: translateX(-50%);
    }
    .cl-nav__static-list { gap: 4px; padding: 4px; }
    .cl-nav__static-list > li > a,
    .cl-nav__static-list > li > span {
        min-height: 48px;
        padding: 12px 14px;
        border: 1px solid transparent;
        border-radius: 14px;
        color: #223b60;
        font-size: .92rem;
        font-weight: 750;
    }
    .cl-nav__static-list > li.active > a,
    .cl-nav__static-list > li.child-active > a {
        color: #1d5ed5;
        border-color: rgba(37,99,235,.12);
        background: linear-gradient(135deg,rgba(37,99,235,.1),rgba(37,99,235,.045));
    }
    .cl-nav__static-list > li > ul {
        display: block;
        max-height: 0;
        margin: 0 5px;
        padding: 0 5px;
        overflow: hidden;
        border-width: 0;
        opacity: 0;
        transform: translateY(-6px);
        transition: max-height .32s cubic-bezier(.2,.8,.25,1),
                    opacity .2s ease,
                    transform .3s ease,
                    margin .3s ease,
                    padding .3s ease,
                    border-width .3s ease;
    }
    .cl-nav__static-list > li.is-open > ul {
        display: block;
        max-height: 420px;
        margin: 4px 5px 7px;
        padding: 5px;
        border-width: 1px;
        opacity: 1;
        transform: translateY(0);
    }
    .cl-nav__static-list > li > ul > li > a,
    .cl-nav__static-list > li > ul > li > span {
        min-height: 42px;
        padding: 10px 12px;
        font-size: .84rem;
    }
    .cl-nav__dropdown {
        position: fixed;
        top: auto;
        right: 10px;
        bottom: calc(66px + env(safe-area-inset-bottom, 0px));
        left: 10px;
        min-width: 0;
        border-radius: 18px;
        box-shadow: 0 22px 60px rgba(3,18,45,.24);
    }
}

@media (max-width: 360px) {
    .cl-nav .cl-brand--image,
    .cl-home .cl-nav .cl-brand--image,
    .cl-body .cl-nav .cl-brand--image { width: 124px; height: 36px; }
    .cl-nav__signin { min-width: 38px; min-height: 38px; padding: 0 10px; }
}

@media (prefers-reduced-motion: reduce) {
    .cl-nav__static-menu,
    .cl-nav__overlay,
    .cl-nav__static-list > li > ul { transition-duration: .01ms !important; }
}