/* Responsive Design for iGEM Wiki */

/* Tablet Styles */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .hero-content {
        max-width: none;
    }
    
    .highlights-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .quick-nav-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .sidebar-nav {
        right: var(--spacing-sm);
        max-width: 200px;
    }
    
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-lg);
    }
}

/* Mobile Styles */
@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--bg-overlay);
        backdrop-filter: blur(10px);
        border-top: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-md);
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        width: 100%;
        justify-content: flex-start;
        padding: var(--spacing-md);
        border-radius: 8px;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background-color: var(--bg-tertiary);
        margin-top: var(--spacing-xs);
        border-radius: 6px;
    }
    
    .dropdown-menu a {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    /* Hero Section */
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .hero-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Sections */
    .section-title {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-xl);
    }
    
    .highlights {
        padding: var(--spacing-xl) 0;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .highlight-card {
        padding: var(--spacing-lg);
    }
    
    .quick-nav {
        padding: var(--spacing-xl) 0;
    }
    
    .quick-nav-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .quick-nav-item {
        padding: var(--spacing-lg);
    }
    
    /* Sidebar */
    .sidebar-nav {
        display: none;
    }
    
    /* Footer */
    .footer {
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .sponsors {
        justify-content: center;
    }
    
    .back-to-top {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 45px;
        height: 45px;
    }
    
    .logo-image {
        width: 45px;
        height: 45px;
    }
    
    .hero-logo-image {
        width: 80px;
        height: 80px;
    }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-sm);
    }
    
    .section-title {
        font-size: var(--font-size-xl);
    }
    
    .highlight-card {
        padding: var(--spacing-md);
    }
    
    .highlight-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
    
    .quick-nav-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-nav-item {
        flex-direction: row;
        justify-content: flex-start;
        text-align: left;
        gap: var(--spacing-md);
    }
    
    .quick-nav-item i {
        font-size: var(--font-size-xl);
    }
    
    .footer-section {
        text-align: center;
    }
    
    .contact-info {
        justify-content: center;
    }
}

/* Large Desktop Styles */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }
    
    .nav-container {
        max-width: 1400px;
    }
    
    .hero-container {
        max-width: 1400px;
    }
    
    .footer-container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .sidebar-nav,
    .back-to-top,
    .footer {
        display: none;
    }
    
    .main-content {
        margin-top: 0;
    }
    
    .hero {
        background: none;
        padding: 0;
    }
    
    .highlight-card,
    .quick-nav-item {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
    
    .btn {
        border: 1px solid #000;
        background: none;
        color: #000;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000;
        --text-secondary: #000;
        --bg-secondary: #fff;
    }
    
    [data-theme="dark"] {
        --border-color: #fff;
        --text-secondary: #fff;
        --bg-secondary: #000;
    }
    
    .btn-primary {
        border: 2px solid currentColor;
    }
    
    .btn-secondary {
        border-width: 3px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus Styles for Accessibility */
@media (prefers-reduced-motion: no-preference) {
    *:focus {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }
    
    .btn:focus,
    .nav-link:focus {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }
}

/* Landscape Orientation on Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
        text-align: left;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-actions {
        flex-direction: row;
    }
    
    .btn {
        width: auto;
    }
}

/* Hover Support Check */
@media (hover: none) {
    .dropdown:hover .dropdown-menu {
        opacity: 0;
        visibility: hidden;
    }
    
    .dropdown:focus-within .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .highlight-card:hover {
        transform: none;
    }
    
    .quick-nav-item:hover {
        transform: none;
    }
    
    .back-to-top:hover {
        transform: none;
    }
}