/* ============================================
   J&D Vantage Quant - Navigation & Header
   ============================================ */


/* ---- Header ---- */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.header.scrolled {
    background: rgba(6, 6, 11, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
}

.header.header-hidden {
    transform: translateY(-100%);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    padding: 0 var(--space-6);
    max-width: var(--container-2xl);
    margin: 0 auto;
}


/* ---- Logo ---- */

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-bold {
    font-size: var(--text-xl);
    font-weight: var(--font-extrabold);
    color: var(--text-primary);
    letter-spacing: var(--tracking-tight);
}

.logo-light {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-muted);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}


/* ---- Navigation Pill ---- */

.nav-pill {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    padding: 4px 6px;
    position: relative;
}

.nav-link {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    cursor: pointer;
    position: relative;
    white-space: nowrap;
    text-decoration: none;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--text-primary);
    background: var(--color-purple);
}

.nav-link.active::after {
    display: none;
}


/* ---- Nav Dropdown ---- */

.nav-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-dropdown-trigger svg {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .nav-dropdown-trigger svg {
    transform: rotate(180deg);
}


/* Invisible bridge to keep hover when traversing gap */

.nav-dropdown::after {
    content: '';
    position: absolute;
    left: -16px;
    right: -16px;
    top: 100%;
    height: 12px;
    background: transparent;
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(8px) scale(0.97);
    transform-origin: top center;
    min-width: 220px;
    background: rgba(10, 10, 18, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-dropdown);
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0) scale(1);
}

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    text-decoration: none;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.2s ease, transform 0.2s ease, background 0.15s ease, color 0.15s ease;
}

.nav-dropdown:hover .nav-dropdown-item:nth-child(1) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.05s;
}

.nav-dropdown:hover .nav-dropdown-item:nth-child(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.08s;
}

.nav-dropdown:hover .nav-dropdown-item:nth-child(3) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.11s;
}

.nav-dropdown:hover .nav-dropdown-item:nth-child(4) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.14s;
}

.nav-dropdown:hover .nav-dropdown-item:nth-child(5) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.17s;
}

.nav-dropdown:hover .nav-dropdown-item:nth-child(6) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.20s;
}

.nav-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-dropdown-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-purple-light);
    flex-shrink: 0;
}

.nav-dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--space-2) var(--space-3);
}


/* ---- Mega Dropdown ---- */

.nav-dropdown-mega {
    position: relative;
}


/* Wider bridge for mega dropdown */

.nav-dropdown-mega::after {
    content: '';
    position: absolute;
    left: -20px;
    right: -20px;
    top: 100%;
    height: 16px;
    background: transparent;
}

.mega-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(10px) scale(0.97);
    transform-origin: top center;
    width: 720px;
    background: rgba(10, 10, 20, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(124, 58, 237, 0.25);
    border-radius: 20px;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.35s cubic-bezier(0.16, 1, 0.3, 1), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(124, 58, 237, 0.1);
    z-index: var(--z-dropdown);
}

.nav-dropdown-mega:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0) scale(1);
}

.mega-menu-inner {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
    padding: var(--space-5);
}

.mega-col {
    padding: 0 var(--space-3);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.mega-col:last-child {
    border-right: none;
}

.mega-col-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--space-3);
    margin-bottom: var(--space-3);
    border-bottom: 2px solid rgba(124, 58, 237, 0.3);
}

.mega-col-header svg {
    color: var(--text-muted);
    opacity: 0.5;
}

.mega-col-header-gold {
    border-bottom-color: rgba(251, 191, 36, 0.4);
}

.mega-col-header-gold .mega-col-title {
    color: var(--color-amber-light);
}

.mega-col-header-gold svg {
    color: var(--color-amber-light);
}

.mega-col-title {
    font-size: 11px;
    font-weight: var(--font-bold);
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.mega-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 10px 12px;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    margin-bottom: 2px;
}

.mega-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.mega-item-highlight {
    background: rgba(124, 58, 237, 0.08);
    border: 1px solid rgba(124, 58, 237, 0.15);
}

.mega-item-featured {
    background: rgba(251, 191, 36, 0.06);
    border: 1px solid rgba(251, 191, 36, 0.15);
}

.mega-item-featured:hover {
    background: rgba(251, 191, 36, 0.1);
}

.mega-item-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--text-muted);
}

.mega-icon-gold {
    background: rgba(251, 191, 36, 0.1);
    border-color: rgba(251, 191, 36, 0.2);
    color: var(--color-amber-light);
}

.mega-item-text {
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
}

.mega-item-name {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    white-space: nowrap;
}

.mega-item-desc {
    font-size: 11px;
    color: var(--text-muted);
}

.mega-badge {
    display: inline-block;
    padding: 1px 10px;
    background: var(--color-green);
    color: white;
    font-size: 9px;
    font-weight: var(--font-bold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    width: fit-content;
}

.mega-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: var(--space-4) var(--space-5);
    text-align: center;
}

.mega-footer a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.mega-footer a:hover {
    color: var(--text-primary);
}


/* ---- CTA Button in Nav ---- */

.nav-discord {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: rgba(88, 101, 242, 0.12);
    border: 1px solid rgba(88, 101, 242, 0.25);
    color: #7289da;
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.nav-discord:hover {
    background: rgba(88, 101, 242, 0.25);
    border-color: rgba(88, 101, 242, 0.5);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(88, 101, 242, 0.3);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 24px;
    background: transparent;
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all 0.25s ease;
    border: 1px solid rgba(255, 255, 255, 0.25);
    cursor: pointer;
    letter-spacing: 0.01em;
}

.nav-cta::after {
    content: '→';
    font-size: 14px;
    transition: transform 0.25s ease;
}

.nav-cta:hover {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.06);
}

.nav-cta:hover::after {
    transform: translateX(3px);
}


/* ---- Mobile Menu Toggle ---- */

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    transition: all var(--transition-fast);
}

.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
}

.menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}


/* ---- Mobile Nav ---- */

.mobile-nav {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-base, #06060b);
    z-index: var(--z-modal);
    padding: 0 var(--space-6);
    overflow-y: auto;
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}


/* When mobile nav is open, force header to have solid background */

.header.nav-open {
    background: var(--bg-base, #06060b) !important;
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav.open {
    visibility: visible;
    pointer-events: auto;
    padding-top: var(--space-8);
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav-content {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-2);
    font-size: 1.4rem;
    font-weight: var(--font-semibold);
    color: var(--text-secondary);
    border-radius: 0;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--text-primary);
    background: none;
}

.mobile-nav-link.active {
    color: var(--color-purple-light);
}

.mobile-nav-group-title {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    padding: var(--space-4) var(--space-4) var(--space-2);
    margin-top: var(--space-4);
}


/* Mobile Nav Dropdowns */

.mobile-nav-dropdown {
    width: 100%;
}

.mobile-nav-dropdown-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: none;
    border: none;
    font-family: inherit;
    cursor: pointer;
}

.mobile-nav-dropdown-trigger svg {
    transition: transform 300ms ease;
    opacity: 0.4;
    flex-shrink: 0;
}

.mobile-nav-dropdown.open .mobile-nav-dropdown-trigger svg {
    transform: rotate(180deg);
    opacity: 1;
    color: var(--color-purple-light);
}

.mobile-nav-dropdown-menu {
    display: none;
    flex-direction: column;
    padding: var(--space-2) 0 var(--space-3);
    border-left: 2px solid rgba(124, 58, 237, 0.4);
    margin-left: var(--space-3);
}

.mobile-nav-dropdown.open .mobile-nav-dropdown-menu {
    display: flex;
}

.mobile-nav-sub-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4) var(--space-2) var(--space-6);
    font-size: 1.05rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.mobile-nav-sub-link:hover {
    color: var(--text-primary);
}

.mobile-nav-cta {
    margin-top: var(--space-8);
    text-align: center;
}


/* ============================================
   Footer
   ============================================ */

.footer {
    background: rgba(6, 6, 11, 0.95);
    border-top: none;
    padding: var(--space-16) 0 var(--space-8);
    position: relative;
    overflow: hidden;
    z-index: var(--z-base);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 5%, rgba(124, 58, 237, 0.3) 30%, rgba(34, 211, 238, 0.2) 50%, rgba(124, 58, 237, 0.3) 70%, transparent 95%);
}

.footer::after {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 200px;
    background: radial-gradient(ellipse, rgba(124, 58, 237, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand {
    max-width: 300px;
}

.footer-brand-desc {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-top: var(--space-4);
    line-height: var(--leading-relaxed);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.footer-social-link {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.footer-social-link:hover {
    background: var(--color-purple-subtle);
    border-color: rgba(124, 58, 237, 0.3);
    color: var(--color-purple-light);
    transform: translateY(-2px);
}

.footer-col-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--space-5);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-link {
    font-size: var(--text-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.footer-link:hover {
    color: var(--color-purple-light);
    padding-left: var(--space-2);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-copy {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-6);
}

.footer-bottom-link {
    font-size: var(--text-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: color var(--transition-fast);
    text-decoration: none;
}

.footer-bottom-link:hover {
    color: var(--text-primary);
}