/* ============================================================
   nav.css (v2.3)
   HEADER, MEGA MENUS, SEARCH, MOBILE OVERLAY
   - Desktop: variable-width mega panels (proper padding, contain media)
   - Search reveal animation
   - Mobile header spacing
   - Mobile: scrollable overlay, accordion open auto-scroll,
             fixed CTA sizing, professional footer
   ============================================================ */

/* ---------- Header shell ---------- */
.qn-header {
    position: sticky;
    top: 0;
    z-index: 60;
    backdrop-filter: blur(10px);
    background: rgba(11,16,34,.55);
    border-bottom: 1px solid var(--qn-border);
}

.qn-header-inner {
    max-width: 1160px;
    margin: 0 auto;
    padding: 12px 16px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 12px;
}

/* ---------- Brand ---------- */
.qn-brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--qn-text);
}

    .qn-brand .qn-logo-text {
        font-weight: 800;
        font-size: 1.15rem;
        letter-spacing: .4px;
    }

/* ---------- Desktop nav ---------- */
.qn-nav-desktop {
    display: inline-flex;
    align-items: center;
    gap: 18px;
}

.qn-link {
    color: var(--qn-text);
    text-decoration: none;
    opacity: .9;
    padding: 8px 10px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background .18s ease, opacity .18s ease;
}

    .qn-link:hover {
        opacity: 1;
        background: rgba(255,255,255,.06);
    }

.qn-btn-no-underline {
    text-decoration: none;
}

/* ---------- Actions (Search, Auth, Mobile) ---------- */
.qn-actions {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.qn-icon-btn {
    border: 0;
    background: transparent;
    color: var(--qn-text);
    padding: 8px;
    border-radius: 8px;
}

    .qn-icon-btn:hover {
        background: rgba(255,255,255,.06);
    }

/* Search (desktop) */
.qn-search {
    position: relative;
}

.qn-search-field {
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%) translateX(8px) scale(.96);
    opacity: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(255,255,255,.06), transparent), var(--qn-card);
    border: 1px solid var(--qn-border);
    border-radius: 12px;
    box-shadow: var(--qn-shadow);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    transition: transform .18s ease, opacity .18s ease;
}

.qn-search-input {
    width: 220px;
    background: transparent;
    border: 0;
    outline: none;
    color: var(--qn-text);
}

.qn-search-toggle[aria-expanded="true"] + .qn-search-field {
    opacity: 1;
    transform: translateY(-50%) translateX(8px) scale(1);
    pointer-events: auto;
}

/* ---------- Mega panels ---------- */
.qn-trigger {
    border: 0;
    background: transparent;
    cursor: pointer;
}

.qn-caret {
    transition: transform .18s ease;
}

.qn-menu.is-open .qn-caret {
    transform: rotate(180deg);
}

.qn-menu {
    position: relative;
}

.qn-panel {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    border: 1px solid var(--qn-border);
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(255,255,255,.06), transparent), var(--qn-card);
    background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.02)), rgba(15,22,38,.96); /* much less transparent */
    box-shadow: var(--qn-shadow);
    opacity: 0;
    transform: translateY(8px) scale(.98);
    pointer-events: none;
    transition: opacity .22s ease, transform .22s ease;
    will-change: transform, opacity;
    /* Proper edge padding for all content (fixes media card sticking) */
    padding: 14px;
    box-sizing: border-box;
    overflow: hidden;
}

.qn-col-1 {
    width: 280px;
}

.qn-col-3 {
    width: 700px;
}

.qn-col-4.qn-panel-wide {
    width: 880px;
}

/* Inner columns respect panel padding */
.qn-panel .qn-col {
    display: block;
    min-width: 200px;
    padding: 8px;
    box-sizing: border-box;
}

/* Grid layout for multi-column panels */
.qn-panel.qn-panel-w {
    display: grid;
    grid-template-columns: repeat(var(--cols, 3), 1fr);
    gap: 10px;
}

.qn-panel.qn-col-3 {
    --cols: 3;
}

.qn-panel.qn-col-4 {
    --cols: 4;
}

.qn-panel.qn-col-1 {
    --cols: 1;
    display: block;
}

/* Group + Items */
.qn-group {
    margin-bottom: 6px;
}

.qn-group-title {
    font-weight: 800;
    margin-bottom: 6px;
    color: #cfe3ff;
}

.qn-item {
    display: block;
    text-decoration: none;
    color: var(--qn-text);
    opacity: .9;
    padding: 6px 0;
}

    .qn-item:hover {
        opacity: 1;
    }

/* Media card (contained and padded) */
.qn-media-col {
    display: flex;
    align-items: flex-start;
}

.qn-media-card {
    border: 1px solid var(--qn-border);
    border-radius: 14px;
    padding: 10px;
    background: linear-gradient(180deg, rgba(255,255,255,.04), transparent);
    box-sizing: border-box;
    margin-left: auto; /* keep to the right but inside padding */
}

.qn-media-card--tight {
    width: 100%;
    max-width: 240px; /* slightly wider, still within panel */
}

.qn-media-img {
    height: 110px;
    border-radius: 12px;
    margin-bottom: 8px;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.12), rgba(34,211,238,.20), rgba(167,139,250,.18));
    background-image:url(../Images/schedule-engine.jpg);
    background-size:195%;
    background-repeat:no-repeat;
    background-position:center -10px;
   
}

.qn-media-title {
    font-weight: 700;
}

.qn-media-desc {
    color: var(--qn-muted);
    font-size: .92rem;
    padding-top:5px;
}

.qn-menu.is-open .qn-panel {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* ---------- Mobile breakpoint ---------- */
.qn-mobile-toggle {
    display: none;
    border: 0;
    background: transparent;
    color: var(--qn-text);
    padding: 8px 10px;
    border-radius: 10px;
}

@media (max-width: 960px) {
    .qn-nav-desktop {
        display: none;
    }

    .qn-mobile-toggle {
        display: inline-flex;
        align-items: center;
    }
    /* Hide desktop auth (auth lives in mobile menu) */
    .qn-auth-link, .qn-btn.qn-btn-primary {
        display: none;
    }
    /* Header inner spacing: brand left, actions right with gaps */
    .qn-header-inner {
        grid-template-columns: 1fr auto;
    }
}

/* ---------- Mobile overlay ---------- */
.qn-mobile-overlay {
    position: fixed;
    inset: 0;
    z-index: 80;
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s ease;
}

    .qn-mobile-overlay.is-open {
        opacity: 1;
        pointer-events: auto;
    }

.qn-mobile-backdrop {
    position: absolute;
    inset: 0;
    background: radial-gradient(1000px 600px at 20% -10%, rgba(34,211,238,.22), transparent 60%), radial-gradient(900px 560px at 120% -10%, rgba(167,139,250,.22), transparent 60%), rgba(11,16,34,.80);
    backdrop-filter: blur(8px);
}

/* Mobile shell */
.qn-mobile-shell {
    position: absolute;
    left: 50%;
    bottom: 32px;
    transform: translateX(-50%) translateY(24px) scale(.96);
    width: min(720px, calc(100% - 24px));
    border: 1px solid var(--qn-border);
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(255,255,255,.06), transparent), var(--qn-card);
    box-shadow: var(--qn-shadow);
    padding: 14px;
    opacity: 0;
    transition: transform .24s ease, opacity .24s ease;
    max-height: calc(100vh - 96px);
    display: grid;
    grid-template-rows: auto 1fr; /* header + scroll content */
}

.qn-mobile-overlay.is-open .qn-mobile-shell {
    transform: translateX(-50%) translateY(0) scale(1);
    opacity: 1;
}

/* Mobile header layout (brand left, controls right with spacing) */
.qn-mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 6px 6px 10px;
}

.qn-mobile-brand .qn-logo-text {
    font-weight: 800;
    font-size: 1.2rem;
}

.qn-mobile-right {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.qn-mobile-close {
    border: 0;
    background: rgba(11,16,34,.55);
    color: var(--qn-text);
    border-radius: 10px;
    padding: 8px 10px;
    cursor: pointer;
}

/* Mobile search toggle (in header right) */
.qn-m-search {
    position: relative;
}

.qn-m-search-toggle {
    border: 0;
    background: transparent;
    color: var(--qn-text);
    padding: 8px 10px;
    border-radius: 10px;
}

.qn-m-search-field {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    background: linear-gradient(180deg, rgba(255,255,255,.06), transparent), var(--qn-card);
    border: 1px solid var(--qn-border);
    border-radius: 12px;
    box-shadow: var(--qn-shadow);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    opacity: 0;
    transform: translateY(6px) scale(.96);
    pointer-events: none;
    transition: transform .18s ease, opacity .18s ease;
}

.qn-m-search-input {
    width: min(60vw, 360px);
    background: transparent;
    border: 0;
    outline: none;
    color: var(--qn-text);
}

.qn-m-search-toggle[aria-expanded="true"] + .qn-m-search-field {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* Mobile content area (scrollable) */
.qn-mobile-content {
    overflow: auto;
    padding: 6px 4px 12px;
}

.qn-mobile-nav {
    display: grid;
    gap: 8px;
}

.qn-mobile-link {
    display: block;
    text-decoration: none;
    color: var(--qn-text);
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid var(--qn-border);
    background: linear-gradient(180deg, rgba(255,255,255,.04), transparent);
}

.qn-mobile-link--inline {
    text-align: left;
}

/* Mobile accordions */
.qn-m-accordion {
    border: 1px solid var(--qn-border);
    border-radius: 14px;
    overflow: hidden;
}

.qn-m-trigger {
    width: 100%;
    text-align: left;
    border: 0;
    background: transparent;
    color: var(--qn-text);
    padding: 12px 14px;
    cursor: pointer;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.qn-m-panel {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height .24s ease, opacity .24s ease;
    background: linear-gradient(180deg, rgba(255,255,255,.04), transparent);
    padding: 0 14px;
}

.qn-m-accordion.is-open .qn-m-panel {
    max-height: 700px;
    opacity: 1;
    padding-bottom: 10px;
}

.qn-m-group {
    padding: 10px 0 6px;
}

.qn-m-title {
    font-weight: 800;
    margin-bottom: 4px;
    color: #cfe3ff;
}

.qn-m-item {
    display: block;
    text-decoration: none;
    color: var(--qn-text);
    opacity: .9;
    padding: 6px 0;
}

    .qn-m-item:hover {
        opacity: 1;
    }

/* Mobile CTA sizing (prevent overflow) */
.qn-mobile-actions {
    display: grid;
    gap: 8px;
    padding-top: 10px;
}

.qn-m-btn-wide {
    width: calc(100% - 28px); /* 14px left + 14px right container padding */
    justify-content: center;
    border-radius: 14px;
}

/* ---------- Mobile footer (professional) ---------- */
.qn-mobile-footer {
    border-top: 1px solid var(--qn-border);
    margin-top: 12px;
    padding-top: 10px;
}

.qn-mobile-footer-inner {
    display: grid;
    gap: 8px;
    padding: 0 8px 6px;
}

.qn-mobile-footer-brand .qn-logo-text {
    font-weight: 800;
}

.qn-mobile-footer-links {
    display: grid;
    gap: 6px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

    .qn-mobile-footer-links a {
        color: var(--qn-text);
        text-decoration: none;
        opacity: .9;
    }

        .qn-mobile-footer-links a:hover {
            opacity: 1;
        }

.qn-mobile-footer-copy {
    color: var(--qn-muted);
    font-size: .9rem;
}

/* Larger screens inside mobile overlay */
@media (min-width: 480px) {
    .qn-mobile-footer-links {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

/* Body scroll lock when mobile open */
body.is-mobile-open {
    overflow: hidden;
}