/* Enhanced Navigation Styles */

/* Z-index Hierarchy Documentation
 * Header: 1000
 * Desktop dropdowns: 1001
 * Hamburger: 1001 (not used on desktop, but documented for consistency)
 * Mega menu: 1000
 * Note: Mobile menu z-index values (9999, 10000) are defined in navigation-modern.css
 */

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(26, 29, 58, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 1rem;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

.nav-link:hover {
    color: var(--accent-gold);
}

.nav-link:focus-visible {
    outline: 2px solid var(--accent-gold);
    outline-offset: 4px;
    border-radius: 4px;
}

/* Dropdown Styles */
.dropdown {
    position: relative;
}

.dropdown-content {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(26, 29, 58, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 1rem;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.dropdown:hover .dropdown-content,
.dropdown[aria-expanded="true"] .dropdown-content {
    opacity: 1;
    visibility: visible;
}

.dropdown:hover .mega-menu,
.dropdown[aria-expanded="true"] .mega-menu {
    opacity: 1;
    visibility: visible;
}

/* Keep dropdown visible when child links receive focus */
.dropdown-content a:focus,
.mega-menu a:focus {
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}

.dropdown-content:focus-within,
.mega-menu:focus-within {
    opacity: 1;
    visibility: visible;
}

.dropdown-content a {
    display: block;
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
    border-radius: 8px;
    font-size: 0.9rem;
}

.dropdown-content a:hover {
    background: rgba(75, 46, 93, 0.3);
    color: var(--accent-gold);
    transform: translateX(5px);
}

.dropdown-content a:focus-visible {
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}

/* Mega Menu Styles */
.dropdown-content.mega-menu {
    min-width: 600px;
    display: flex;
    gap: 2rem;
    padding: 1.5rem;
}

.mega-menu {
    min-width: 600px;
    display: flex;
    gap: 2rem;
    padding: 1.5rem;
}

.mega-menu-column {
    flex: 1;
}

.mega-menu-column h4 {
    color: var(--accent-gold);
    font-size: 0.85rem;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-subtle);
    font-weight: 600;
    letter-spacing: 1px;
}


/* Mobile Dropdown Section */
.mobile-dropdown-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
}

.mobile-dropdown-section h5 {
    color: var(--accent-gold);
    font-size: 0.8rem;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    font-weight: 600;
    letter-spacing: 1px;
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.btn-nav {
    background: var(--gradient-cosmic);
    color: var(--text-primary);
    padding: 0.5rem 1.25rem;
    border-radius: 25px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid var(--border-subtle);
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(75, 46, 93, 0.3);
}

/* Theme Toggle */
.theme-toggle {
    position: relative;
    background: transparent;
    border: 2px solid var(--border-subtle);
    border-radius: 50%;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-toggle:focus-visible {
    outline: 2px solid var(--accent-gold);
    outline-offset: 4px;
}

.theme-toggle::before,
.theme-toggle::after { /* override pill-style toggle visuals */
    content: none !important;
    display: none !important;
}

.theme-toggle .theme-icon {
    font-size: 18px;
    color: var(--text-primary);
}

[data-theme="dark"] .theme-toggle {
    border-color: rgba(255,255,255,0.8);
}

[data-theme="dark"] .theme-toggle .theme-icon {
    color: #ffffff;
}

.theme-toggle:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
    border-color: var(--accent-gold);
}

/* Mobile Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: rgba(26, 29, 58, 0.98);
        flex-direction: column;
        padding: 5rem 2rem;
        transition: all 0.3s ease;
        overflow-y: auto;
        align-items: flex-start;
    }

    .nav-list.active {
        right: 0;
    }

    .hamburger {
        display: flex;
    }

    .dropdown-content {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        display: none;
        margin-left: 1rem;
        margin-top: 0.5rem;
        box-shadow: none;
        background: rgba(75, 46, 93, 0.1);
    }

    .dropdown.active .dropdown-content {
        display: block;
    }

    .mega-menu {
        min-width: auto;
        flex-direction: column;
        gap: 1rem;
    }

    .nav-actions {
        position: absolute;
        top: 1rem;
        right: 4rem;
    }
}

/* Note: Smooth scroll behavior is defined in navigation-modern.css */

@media (max-width: 768px) {
    .nav {
        padding: 1rem;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .nav-actions .btn-nav {
        padding: 0.4rem 1rem;
        font-size: 0.85rem;
    }
}