/* Header Styles - DorkVerse Navigation */

/* Header container */
.header {
    background-color: rgba(17, 24, 39, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Navigation links */
.nav-link {
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
    color: var(--text-light);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
    transition: width 0.3s ease-out, background 0.3s ease;
}

.nav-link:hover { 
    color: white; 
}

.nav-link:hover::after { 
    width: 100%; 
}

/* Mobile Menu Transition */
#mobile-menu { 
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out; 
}

/* Dropdown menu styles */
.nav-dropdown {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 0.5rem;
    width: max-content;
    max-width: 48rem;
    background-color: white;
    color: #1f2937;
    border-radius: 0.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 50;
    padding: 1.5rem;
    transform-origin: top;
    scale: 0.95;
}

.group:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    scale: 1;
}

/* Dropdown grid layout */
.dropdown-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem 1rem;
}

.dropdown-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dropdown-category h3 {
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.dropdown-links {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.dropdown-links a {
    display: block;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

/* Responsive header */
@media (max-width: 768px) {
    .header {
        padding: 0.75rem 0;
    }
    
    .nav-dropdown {
        position: static;
        transform: none;
        width: 100%;
        max-width: none;
        margin-top: 0;
        border-radius: 0;
        box-shadow: none;
        background-color: rgba(17, 24, 39, 0.95);
        color: white;
    }
    
    .dropdown-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}