/* Over55IT Website - Responsive Styles */

/* Tablet Styles (768px and below) */
@media (max-width: 768px) {
    /* Container adjustments */
    .container {
        padding: 0 var(--spacing-4);
    }
    
    /* Typography adjustments */
    h1 {
        font-size: var(--font-size-4xl);
    }
    
    h2 {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    /* Navigation */
    .nav-container {
        padding: 0 var(--spacing-4);
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-8);
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-lg);
        gap: var(--spacing-6);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        width: 100%;
        text-align: center;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-4);
        font-size: var(--font-size-lg);
        width: 100%;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .nav-actions {
        gap: var(--spacing-2);
    }
    
    .nav-actions .btn {
        display: none;
    }
    
    /* Hero section */
    .hero-content {
        padding: var(--spacing-16) var(--spacing-4);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-large {
        width: 100%;
        max-width: 300px;
    }
    
    /* Services grid */
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .service-card {
        padding: var(--spacing-6);
    }
    
    /* About section */
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
        text-align: center;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-4);
    }
    
    .stat-number {
        font-size: var(--font-size-3xl);
    }
    
    .visual-placeholder {
        width: 250px;
        height: 250px;
    }
    
    .visual-placeholder i {
        font-size: 3rem;
    }
    
    /* Use cases */
    .cases-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .case-card {
        padding: var(--spacing-6);
    }
    
    .case-metrics {
        gap: var(--spacing-4);
    }
    
    /* Contact section */
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .contact-form {
        padding: var(--spacing-6);
    }
    
    .radio-group {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-6);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-4);
    }
    
    /* Section spacing */
    section {
        padding: var(--spacing-16) 0;
    }
}

/* Mobile Styles (480px and below) */
@media (max-width: 480px) {
    /* Container */
    .container {
        padding: 0 var(--spacing-3);
    }
    
    /* Typography */
    h1 {
        font-size: var(--font-size-3xl);
    }
    
    h2 {
        font-size: var(--font-size-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    /* Navigation */
    .nav-container {
        padding: 0 var(--spacing-3);
        height: 70px;
    }
    
    .navbar {
        height: 70px;
    }
    
    .nav-menu {
        top: 70px;
        height: calc(100vh - 70px);
    }
    
    .logo {
        height: 32px;
    }
    
    .logo-text {
        font-size: var(--font-size-lg);
    }
    
    .language-selector {
        padding: 2px;
    }
    
    .lang-btn {
        padding: var(--spacing-1) var(--spacing-2);
        font-size: var(--font-size-xs);
    }
    
    /* Hero */
    .hero-content {
        padding: var(--spacing-12) var(--spacing-3);
    }
    
    .hero-actions {
        gap: var(--spacing-3);
    }
    
    .btn-large {
        padding: var(--spacing-3) var(--spacing-6);
        font-size: var(--font-size-base);
    }
    
    /* Services */
    .service-card {
        padding: var(--spacing-5);
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-2xl);
    }
    
    .service-title {
        font-size: var(--font-size-xl);
    }
    
    /* About */
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
        text-align: center;
    }
    
    .stat-item {
        padding: var(--spacing-4);
        background-color: var(--gray-50);
        border-radius: var(--radius-lg);
    }
    
    .visual-placeholder {
        width: 200px;
        height: 200px;
    }
    
    .visual-placeholder i {
        font-size: 2.5rem;
    }
    
    .visual-placeholder p {
        font-size: var(--font-size-base);
    }
    
    /* Use cases */
    .case-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-xl);
    }
    
    .case-title {
        font-size: var(--font-size-lg);
    }
    
    .case-metrics {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .metric {
        font-size: var(--font-size-xl);
    }
    
    /* Contact */
    .contact-form {
        padding: var(--spacing-5);
    }
    
    .info-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-2);
    }
    
    .info-item i {
        margin-top: 0;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-section {
        margin-bottom: var(--spacing-6);
    }
    
    /* Section spacing */
    section {
        padding: var(--spacing-12) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-12);
    }
}

/* Large Desktop Styles (1200px and above) */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-2xl);
    }
    
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Extra Large Desktop Styles (1400px and above) */
@media (min-width: 1400px) {
    .container {
        max-width: 1600px;
    }
    
    section {
        padding: var(--spacing-24) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-20);
    }
}

/* High DPI / Retina Display Adjustments */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hero-scroll,
    .hamburger,
    .language-selector,
    .social-links {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-8) 0;
    }
    
    .hero-background,
    .hero-overlay {
        display: none;
    }
    
    .hero-content {
        color: var(--gray-900);
    }
    
    .hero-title {
        color: var(--gray-900);
    }
    
    section {
        padding: var(--spacing-8) 0;
        break-inside: avoid;
    }
    
    .service-card,
    .case-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
    
    .contact-form {
        display: none;
    }
}

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

/* Dark Mode Support (if user prefers dark mode) */
@media (prefers-color-scheme: dark) {
    /* This is optional - the site uses a light theme by design */
    /* Uncomment and customize if dark mode support is needed */
    /*
    :root {
        --white: #1f2937;
        --gray-50: #111827;
        --gray-100: #1f2937;
        --gray-900: #f9fafb;
    }
    */
}

/* Focus Styles for Accessibility */
@media (any-hover: none) {
    .btn:hover,
    .nav-link:hover,
    .service-card:hover,
    .case-card:hover {
        transform: none;
    }
}

/* Touch Device Optimizations */
@media (any-pointer: coarse) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-link {
        padding: var(--spacing-4);
    }
    
    .lang-btn {
        min-height: 36px;
        min-width: 36px;
    }
    
    .social-link {
        width: 48px;
        height: 48px;
    }
}

/* Landscape Mobile Orientation */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
    }
    
    .hero-content {
        padding: var(--spacing-8) var(--spacing-6);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--spacing-4);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-6);
    }
    
    .hero-scroll {
        display: none;
    }
}