/* ===== RESPONSIVE STYLES ===== */

/* Mobile First Approach */

/* Extra Small Devices (portrait phones, less than 576px) */
@media (max-width: 575.98px) {
    .container {
        padding: 0 var(--spacing-3);
    }
    
    /* Adjust header for mobile */
    .navbar {
        padding: var(--spacing-4) 0;
    }
    
    .nav-brand .logo .logo-image {
        height: 45px;
        max-width: 160px;
    }
    
    body {
        padding-top: 80px;
    }
    
    .hero {
        padding: calc(80px + var(--spacing-12)) 0 var(--spacing-16);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-6);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-4);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .feature-card {
        padding: var(--spacing-6);
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        margin-bottom: var(--spacing-4);
        font-size: var(--font-size-xl);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .category-card {
        padding: var(--spacing-6);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-description {
        font-size: var(--font-size-base);
    }
    
    .cta-title {
        font-size: var(--font-size-2xl);
    }
    
    .cta-description {
        font-size: var(--font-size-base);
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: var(--spacing-3);
        text-align: center;
    }
    
    /* Mobile Navigation */
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        background: white;
        box-shadow: var(--shadow-xl);
        transition: left var(--transition-base);
        z-index: var(--z-modal);
        padding: var(--spacing-8) var(--spacing-6);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--spacing-4);
        align-items: flex-start;
    }
    
    .nav-link {
        font-size: var(--font-size-base);
        padding: var(--spacing-2) 0;
        border-bottom: 1px solid var(--gray-200);
        width: 100%;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .sidebar-toggle {
        display: flex;
    }
    
    /* Mobile Forms */
    .filter-controls {
        grid-template-columns: 1fr;
        gap: var(--spacing-3);
    }
    
    .service-cta {
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    .service-card {
        min-height: 450px;
    }
    
    .service-title {
        font-size: var(--font-size-lg);
    }
    
    .service-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-2);
    }
    
    .service-price {
        font-size: var(--font-size-lg);
    }
    
    .modal-content {
        width: 95%;
        margin: var(--spacing-4);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-4);
    }
    
    .modal-footer {
        flex-direction: column;
    }
}

/* Small Devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sidebar-toggle {
        display: flex;
    }
}

/* Medium Devices (tablets, 768px and up) */
@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .filter-controls {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tab-list {
        justify-content: center;
    }
    
    /* Tablet Navigation */
    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        box-shadow: none;
        padding: 0;
    }
    
    .nav-list {
        flex-direction: row;
        gap: var(--spacing-6);
        align-items: center;
    }
    
    .nav-link {
        font-size: var(--font-size-sm);
        padding: 0;
        border-bottom: none;
        width: auto;
    }
    
    .nav-toggle {
        display: none;
    }
    
    .sidebar-toggle {
        display: none;
    }
}

/* Large Devices (desktops, 992px and up) */
@media (min-width: 992px) {
    .container {
        max-width: 1200px;
    }
    
    .hero-content {
        grid-template-columns: 1.2fr 1fr;
        gap: var(--spacing-16);
        align-items: center;
    }
    
    .hero-image {
        display: flex;
    }
    
    .hero-title {
        font-size: var(--font-size-6xl);
    }
    
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .categories-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .filter-controls {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
    
    /* Large Navigation */
    .nav-list {
        gap: var(--spacing-8);
    }
    
    /* Hover Effects for Large Screens */
    .service-card:hover {
        transform: translateY(-12px);
    }
    
    .category-card:hover {
        transform: translateY(-8px);
    }
    
    .feature-card:hover {
        transform: translateY(-6px);
    }
}

/* Extra Large Devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1320px;
    }
    
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .categories-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .filter-controls {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* Ultra Wide Screens (1400px and up) */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-content {
        gap: var(--spacing-20);
    }
}

/* Print Styles */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    .header,
    .footer,
    .nav-menu,
    .cta-section,
    .btn,
    .floating-card {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    .section-title {
        font-size: 18pt;
        margin-bottom: 12pt;
    }
    
    .service-card,
    .feature-card,
    .category-card {
        border: 1px solid #ccc;
        page-break-inside: avoid;
        margin-bottom: 12pt;
        padding: 12pt;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --gray-50: #1f2937;
        --gray-100: #374151;
        --gray-200: #4b5563;
        --gray-300: #6b7280;
        --gray-400: #9ca3af;
        --gray-500: #d1d5db;
        --gray-600: #e5e7eb;
        --gray-700: #f3f4f6;
        --gray-800: #f9fafb;
        --gray-900: #ffffff;
    }
    
    body {
        background-color: var(--gray-50);
        color: var(--gray-700);
    }
    
    .header {
        background-color: rgba(31, 41, 55, 0.95);
        border-bottom-color: var(--gray-200);
    }
    
    .service-card,
    .feature-card,
    .category-card,
    .card {
        background-color: var(--gray-100);
        border-color: var(--gray-200);
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        background-color: var(--gray-100);
        border-color: var(--gray-200);
        color: var(--gray-700);
    }
    
    .btn-secondary {
        background-color: var(--gray-200);
        color: var(--gray-800);
        border-color: var(--gray-300);
    }
    
    .footer {
        background-color: var(--gray-100);
    }
    
    /* Remove all gradients in dark mode, including inline styles */
    [style*="linear-gradient"] {
        background-image: none !important;
        background: var(--gray-100) !important;
    }

    /* Hero adjustments */
    .hero {
        background: var(--gray-50) !important;
    }
    .hero::before {
        background-image: none !important;
    }
    .hero-title .highlight {
        background: none !important;
        -webkit-background-clip: initial !important;
        -webkit-text-fill-color: initial !important;
        background-clip: initial !important;
        color: var(--primary-light) !important;
        opacity: 1 !important;
    }

    /* Components and effects */
    .feature-icon {
        background: var(--primary-dark) !important;
    }
    .category-card::before {
        background: none !important;
    }
    .service-card::before {
        background: var(--primary-color) !important;
    }
    .service-card.featured {
        background: var(--gray-100) !important;
    }
    .loading-bar {
        background: var(--gray-400) !important;
    }
    .cta-section {
        background: var(--primary-dark) !important;
        color: white;
    }

    /* Preserve header images while removing gradient overlays */
    .about-header {
        background: url('../images/team-photo.webp') center/cover no-repeat !important;
    }
    .contact-header {
        background: url('../images/communication-channels.png') center/cover no-repeat !important;
    }

    /* Specific sections */
    #tech-stack {
        background: var(--gray-50) !important;
    }
    #emergency-contact {
        background: var(--danger-color) !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0000ff;
        --secondary-color: #008000;
        --danger-color: #ff0000;
        --gray-300: #808080;
        --gray-600: #404040;
        --gray-900: #000000;
    }
    
    .btn {
        border-width: 2px;
    }
    
    .service-card,
    .feature-card,
    .category-card {
        border-width: 2px;
    }
    
    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
        outline: 3px solid var(--primary-color);
        outline-offset: 2px;
    }
}

/* Landscape Orientation */
@media (orientation: landscape) and (max-height: 500px) {
    .hero {
        padding: calc(90px + var(--spacing-8)) 0 var(--spacing-12);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-description {
        margin-bottom: var(--spacing-4);
    }
    
    .hero-stats {
        margin-top: var(--spacing-4);
    }
    
    .section-header {
        margin-bottom: var(--spacing-8);
    }
    
    .about-section,
    .services-section,
    .categories-section,
    .cta-section {
        padding: var(--spacing-12) 0;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-link {
        padding: var(--spacing-3) var(--spacing-2);
    }
    
    .service-card:hover,
    .feature-card:hover,
    .category-card:hover {
        transform: none;
    }
    
    .category-link:hover i {
        transform: none;
    }
    
    .tooltip:hover::before,
    .tooltip:hover::after {
        opacity: 0;
        visibility: hidden;
    }
}