/**
 * Responsive CSS
 * Mobile-first approach
 */

/* Tablet and below */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --spacing-xs: 0.375rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1.125rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }
    
    .navbar {
        padding: 0.75rem 0;
    }
    
    .navbar .container {
        padding: 0 1rem;
    }
    
    .navbar .logo {
        font-size: 1.25rem;
    }
    
    .navbar .nav-menu {
        position: fixed;
        top: 65px;
        left: 0;
        right: 0;
        width: 100%;
        max-height: 0;
        flex-direction: column;
        background: var(--bg-primary);
        padding: 0 var(--spacing-lg);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow: hidden;
        opacity: 0;
        gap: 0;
    }
    
    [data-theme="dark"] .navbar .nav-menu {
        background: rgba(30, 30, 46, 0.98);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    }
    
    .navbar .nav-menu.active {
        max-height: 500px;
        padding: var(--spacing-lg);
        opacity: 1;
    }
    
    .navbar .nav-menu li {
        width: 100%;
        opacity: 0;
        transform: translateY(-20px);
        transition: all 0.3s ease;
    }
    
    .navbar .nav-menu.active li {
        opacity: 1;
        transform: translateY(0);
    }
    
    .navbar .nav-menu.active li:nth-child(1) { transition-delay: 0.1s; }
    .navbar .nav-menu.active li:nth-child(2) { transition-delay: 0.15s; }
    .navbar .nav-menu.active li:nth-child(3) { transition-delay: 0.2s; }
    .navbar .nav-menu.active li:nth-child(4) { transition-delay: 0.25s; }
    .navbar .nav-menu.active li:nth-child(5) { transition-delay: 0.3s; }
    .navbar .nav-menu.active li:nth-child(6) { transition-delay: 0.35s; }
    .navbar .nav-menu.active li:nth-child(7) { transition-delay: 0.4s; }
    
    .navbar .nav-link {
        display: block;
        width: 100%;
        padding: 0.75rem 1rem;
        text-align: center;
        border-radius: 12px;
        margin-bottom: 0.5rem;
    }
    
    .navbar .nav-link::before {
        display: none;
    }
    
    .navbar .nav-menu li:last-child .nav-link {
        margin-top: 0.5rem;
        padding: 0.75rem 1.5rem;
    }
    
    .navbar .nav-controls {
        gap: 0.75rem;
    }
    
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        position: relative;
        z-index: 1001;
    }
    
    .menu-toggle i {
        transition: all 0.3s ease;
    }
    
    .menu-toggle.active i:before {
        content: "\f00d"; /* FontAwesome times icon */
    }
    
    .hero-section {
        min-height: 80vh;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .neuro-button {
        width: 100%;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .services-grid,
    .portfolio-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .neuro-container {
        padding: var(--spacing-md);
    }
    
    .neuro-section {
        padding: var(--spacing-lg) 0;
    }
    
    .modal-content {
        max-width: 95%;
        padding: var(--spacing-lg);
    }
    
    .portfolio-filters {
        flex-direction: column;
    }
    
    .filter-btn {
        width: 100%;
    }
    
    /* Chat widget adjustments */
    .chat-window {
        width: 100% !important;
        height: 100% !important;
        bottom: 0 !important;
        right: 0 !important;
        border-radius: 0 !important;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .neuro-button {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .service-icon {
        font-size: 2rem;
    }
    
    .team-photo-wrapper {
        width: 120px;
        height: 120px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* Landscape Mode */
@media (max-height: 600px) and (orientation: landscape) {
    .hero-section {
        min-height: auto;
        padding: 100px 0 50px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .neuro-section {
        padding: var(--spacing-lg) 0;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .chat-widget,
    .hero-buttons,
    .footer {
        display: none;
    }
    
    .neuro-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* High Resolution Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .portfolio-image,
    .team-photo {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .neuro-float {
        animation: none;
    }
}

/* Dark Mode Media Query */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1e1e2e;
        --bg-secondary: #2a2a3e;
        --shadow-light: #2a2a3e;
        --shadow-dark: #151521;
        --text-primary: #e2e8f0;
        --text-secondary: #a0aec0;
    }
}