/* =========================================
   HSN Tech - Responsive Styles
   ========================================= */

/* Large Devices (Desktops, less than 1200px) */
@media (max-width: 1200px) {
    :root {
        --container-max: 960px;
    }

    h1 { font-size: var(--text-4xl); }
    h2 { font-size: var(--text-3xl); }
}

/* Medium Devices (Tablets, less than 992px) */
@media (max-width: 992px) {
    :root {
        --container-max: 720px;
        --spacing-4xl: 4rem;
    }

    h1 { font-size: var(--text-3xl); }
    h2 { font-size: var(--text-2xl); }
    h3 { font-size: var(--text-xl); }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Small Devices (Landscape Phones, less than 768px) */
@media (max-width: 768px) {
    :root {
        --container-max: 540px;
        --container-padding: 1rem;
        --spacing-4xl: 3rem;
        --spacing-3xl: 2.5rem;
    }

    h1 { font-size: var(--text-2xl); }
    h2 { font-size: var(--text-xl); }
    h3 { font-size: var(--text-lg); }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .section {
        padding: var(--spacing-3xl) 0;
    }

    .section-header {
        margin-bottom: var(--spacing-2xl);
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--text-sm);
    }

    .btn-lg {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: var(--text-base);
    }

    /* Hero adjustments */
    .hero {
        min-height: auto;
        padding: 100px 0 50px;
    }

    .hero h1 {
        font-size: var(--text-3xl);
    }

    .hero p {
        font-size: var(--text-base);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    /* Page Hero */
    .page-hero {
        min-height: auto;
        padding: 100px 0 40px;
    }

    .page-hero h1 {
        font-size: var(--text-2xl);
    }

    /* Cards */
    .card {
        padding: var(--spacing-lg);
    }

    .service-card {
        padding: var(--spacing-xl);
    }

    .service-icon {
        width: 60px;
        height: 60px;
        font-size: var(--text-2xl);
    }

    /* Stats */
    .stat-number {
        font-size: var(--text-3xl);
    }

    /* Training Cards */
    .training-card-header {
        padding: var(--spacing-lg);
    }

    .training-card-body {
        padding: var(--spacing-lg);
    }

    /* CTA Section */
    .cta-section {
        padding: var(--spacing-3xl) 0;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Extra Small Devices (Portrait Phones, less than 576px) */
@media (max-width: 576px) {
    :root {
        --container-padding: 0.75rem;
    }

    body {
        font-size: var(--text-sm);
    }

    h1 { font-size: var(--text-xl); }
    h2 { font-size: var(--text-lg); }

    .section-header h2 {
        font-size: var(--text-xl);
    }

    .section-header p {
        font-size: var(--text-base);
    }

    /* Smaller spacing */
    .section {
        padding: var(--spacing-2xl) 0;
    }

    /* Buttons */
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-sm);
    }

    /* Hero */
    .hero {
        padding: 80px 0 40px;
    }

    .hero-badge {
        font-size: var(--text-xs);
        padding: var(--spacing-xs) var(--spacing-md);
    }

    .hero h1 {
        font-size: var(--text-2xl);
    }

    /* Product tiles */
    .product-tile-image {
        height: 150px;
    }

    .product-tile-content {
        padding: var(--spacing-lg);
    }

    /* Training cards */
    .training-card-date {
        position: static;
        margin-bottom: var(--spacing-sm);
        display: inline-block;
    }

    /* Tabs */
    .tabs {
        flex-wrap: wrap;
    }

    .tab-btn {
        flex: 1 1 auto;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--text-sm);
        text-align: center;
    }
}

/* Touch Device Optimizations */
@media (hover: none) {
    .btn:hover,
    .card:hover,
    .service-card:hover,
    .product-tile:hover,
    .training-card:hover {
        transform: none;
    }

    .nav-item:hover .dropdown-menu {
        opacity: 0;
        visibility: hidden;
    }

    .nav-item.active .dropdown-menu {
        opacity: 1;
        visibility: visible;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .hero,
    .cta-section,
    .mobile-toggle {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: #000;
    }

    .container {
        max-width: 100%;
    }

    .section {
        padding: 20pt 0;
    }

    a {
        text-decoration: underline;
    }

    .card,
    .service-card,
    .product-tile {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* High DPI Screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Ensure crisp borders and shadows on retina displays */
    .card,
    .service-card,
    .product-tile {
        border: 0.5px solid var(--gray-100);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .scroll-animate {
        opacity: 1;
        transform: none;
    }
}

/* Dark Mode (System Preference) */
@media (prefers-color-scheme: dark) {
    /* Uncomment to enable auto dark mode */
    /*
    :root {
        --gray-50: #1a1a2e;
        --gray-100: #16213e;
        --gray-200: #0f3460;
        --gray-700: #e9ecef;
        --gray-800: #f1f3f5;
        --gray-900: #f8f9fa;
        --white: #0a0a1a;
        --black: #ffffff;
    }
    */
}