/* Responsive Design for LogiHub */

/* Mobile First Approach */

/* Extra Small Devices (phones, 576px and down) */
@media (max-width: 575.98px) {
    body {
        padding: 10px;
    }
    
    .container {
        padding: 0 var(--space-sm);
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .btn {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-size-sm);
    }
    
    .btn-lg {
        padding: var(--space-md) var(--space-lg);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .stat-item {
        padding: var(--space-lg);
    }
    
    .companies-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .company-card {
        padding: var(--space-lg);
    }
    
    .company-header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }
    
    .company-actions {
        flex-direction: column;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .tracking-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    
    .tracking-illustration {
        width: 150px;
        height: 150px;
        font-size: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-primary);
        border-top: 1px solid var(--border-light);
        flex-direction: column;
        padding: var(--space-lg);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-actions {
        gap: var(--space-sm);
    }
    
    .user-btn span {
        display: none;
    }
}

/* Small Devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .companies-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tracking-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Social Proof Small Device Optimization */
    .proof-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
        align-items: start;
    }
    
    .review-card {
        padding: var(--space-lg);
    }
    
    .review-head {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
        margin-bottom: var(--space-md);
    }
    
    .review-head strong {
        font-size: var(--font-size-base);
    }
    
    .review-card p {
        font-size: var(--font-size-sm);
        line-height: 1.5;
        margin-bottom: var(--space-md);
    }
    
    .kpi-card {
        padding: var(--space-lg);
        background: var(--bg-secondary);
        border-radius: var(--radius-lg);
    }
    
    .kpi-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--space-xs);
        padding: var(--space-sm) 0;
    }
    
    .kpi-item:not(:last-child) {
        border-bottom: 1px solid var(--border-light);
    }
    
    .kpi-item span {
        font-size: var(--font-size-xs);
        color: var(--text-muted);
    }
    
    .kpi-item strong {
        font-size: var(--font-size-lg);
        color: var(--text-primary);
        font-weight: 700;
    }
}

/* Medium Devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .companies-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tracking-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .nav-menu {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: none;
    }
}

/* Large Devices (desktops, 992px and up) */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .companies-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .tracking-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Extra Large Devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .companies-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .tracking-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

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

/* Print Styles */
@media print {
    .header,
    .footer,
    .nav-actions,
    .hero-actions,
    .company-actions {
        display: none;
    }
    
    .hero {
        background: none;
        color: var(--text-primary);
        padding: var(--space-lg) 0;
    }
    
    .hero-title {
        color: var(--text-primary);
    }
    
    .company-card {
        break-inside: avoid;
        border: 1px solid var(--border-medium);
        box-shadow: none;
    }
    
    .btn {
        border: 1px solid var(--border-medium);
        background: none;
        color: var(--text-primary);
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .tracking-illustration {
        animation: none;
    }
}

/* Dark mode removed */

/* Focus Styles for Accessibility */
.btn:focus,
.nav-link:focus,
.user-btn:focus,
input:focus,
select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0000ff;
        --secondary-color: #008000;
        --text-primary: #000000;
        --text-secondary: #333333;
        --border-light: #000000;
        --border-medium: #333333;
    }
    
    .btn-primary {
        background-color: var(--primary-color);
        border-color: var(--primary-color);
        color: var(--text-white);
    }
    
    .btn-outline {
        border-color: var(--primary-color);
        color: var(--primary-color);
    }
}

/* Landscape Orientation */
@media (orientation: landscape) and (max-height: 500px) {
    .hero {
        padding: 80px 0 40px;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .stats {
        padding: var(--space-2xl) 0;
    }
    
    .companies,
    .services,
    .tracking {
        padding: var(--space-2xl) 0;
    }
}

/* Specific Mobile Breakpoints */
@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .stat-number {
        font-size: var(--font-size-2xl);
    }
    
    .company-name {
        font-size: var(--font-size-lg);
    }
    
    .service-title {
        font-size: var(--font-size-lg);
    }
    
    /* About Page Mobile Optimization */
    .about-hero {
        padding: 100px 0 60px;
    }
    
    .about-title {
        font-size: clamp(2rem, 8vw, 2.5rem);
        margin-bottom: var(--space-md);
    }
    
    .about-subtitle {
        font-size: clamp(1rem, 4vw, 1.25rem);
        margin-bottom: var(--space-lg);
    }
    
    .mission-section,
    .values-section,
    .technology-section,
    .cta-section {
        padding: var(--space-2xl) 0;
    }
    
    .mission-content {
        gap: var(--space-xl);
    }
    
    .mission-text {
        text-align: center;
        margin-bottom: var(--space-lg);
    }
    
    .mission-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        margin-top: var(--space-lg);
    }
    
    .stat-item {
        padding: var(--space-lg);
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stat-label {
        font-size: var(--font-size-sm);
    }
    
    .mission-visual {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        margin-top: var(--space-xl);
    }
    
    .visual-card {
        padding: var(--space-lg);
    }
    
    .visual-card i {
        font-size: 2.5rem;
        margin-bottom: var(--space-md);
    }
    
    .visual-card h3 {
        font-size: 1.25rem;
        margin-bottom: var(--space-sm);
    }
    
    .visual-card p {
        font-size: 0.95rem;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .value-card {
        padding: var(--space-lg);
    }
    
    .value-icon {
        width: 60px;
        height: 60px;
        margin-bottom: var(--space-md);
    }
    
    .value-icon i {
        font-size: 1.5rem;
    }
    
    .value-card h3 {
        font-size: 1.25rem;
        margin-bottom: var(--space-sm);
    }
    
    .value-card p {
        font-size: var(--font-size-sm);
    }
    
    .tech-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .tech-features {
        gap: var(--space-lg);
    }
    
    .tech-feature {
        padding: var(--space-md);
    }
    
    .tech-feature i {
        font-size: 1.5rem;
    }
    
    .tech-visual {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .tech-card {
        padding: var(--space-lg);
    }
    
    .cta-content h2 {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }
    
    .cta-content p {
        font-size: var(--font-size-base);
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .cta-buttons .btn {
        width: 100%;
        padding: var(--space-md) var(--space-lg);
    }
    
    /* Social Proof Mobile Optimization */
    .social-proof {
        padding: var(--space-2xl) 0;
    }
    
    .proof-grid {
        display: flex;
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .review-card {
        padding: var(--space-lg);
        text-align: center;
        order: 2;
    }
    
    .review-head {
        flex-direction: column;
        align-items: center;
        gap: var(--space-sm);
        margin-bottom: var(--space-md);
    }
    
    .review-head strong {
        font-size: var(--font-size-base);
        text-align: center;
    }
    
    .review-head .badge {
        font-size: var(--font-size-xs);
        padding: var(--space-xs) var(--space-sm);
    }
    
    .review-card p {
        font-size: var(--font-size-sm);
        line-height: 1.5;
        margin-bottom: var(--space-md);
    }
    
    .stars {
        justify-content: center;
        font-size: var(--font-size-sm);
    }
    
    .kpi-card {
        padding: var(--space-lg);
        order: 1;
        background: var(--bg-secondary);
        border-radius: var(--radius-lg);
    }
    
    .kpi-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--space-xs);
        padding: var(--space-sm) 0;
    }
    
    .kpi-item:not(:last-child) {
        border-bottom: 1px solid var(--border-light);
    }
    
    .kpi-item span {
        font-size: var(--font-size-xs);
        color: var(--text-muted);
        font-weight: 500;
    }
    
    .kpi-item strong {
        font-size: var(--font-size-xl);
        color: var(--text-primary);
        font-weight: 700;
    }
}

/* Tablet Portrait */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: portrait) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .companies-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* About Page Tablet Portrait */
    .mission-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }
    
    .mission-visual {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }
    
    .tech-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .tech-visual {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }
    
    /* Social Proof Tablet Optimization */
    .proof-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
        align-items: start;
    }
    
    .review-card {
        padding: var(--space-xl);
    }
    
    .kpi-card {
        padding: var(--space-xl);
    }
    
    .kpi-item {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: var(--space-md) 0;
    }
    
    .kpi-item:not(:last-child) {
        border-bottom: 1px solid var(--border-light);
    }
}

/* Tablet Landscape */
@media (min-width: 1024px) and (max-width: 1366px) and (orientation: landscape) {
    .companies-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Hero Search Form Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 40px 0;
        min-height: 100vh;
        margin: 0;
        border-radius: 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        padding: var(--space-2xl) var(--space-lg);
        border-radius: 12px;
        margin: var(--space-md);
        min-height: 90vh;
    }
    
    .hero-content.hero-alt {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        padding: var(--space-xl) var(--space-lg);
        margin: var(--space-md);
        border-radius: 24px;
        min-height: 85vh;
    }
    
    .hero-title {
        font-size: clamp(1.25rem, 4vw, 2rem);
        margin-bottom: var(--space-sm);
    }
    
    .hero-description {
        font-size: clamp(0.8rem, 2.5vw, 1rem);
        margin-bottom: var(--space-md);
        max-width: 100%;
    }
    
    .hero-search {
        padding: var(--space-lg);
        border-radius: 12px;
        max-width: 100%;
    }
    
    .hero-search-row {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-md);
        margin-bottom: var(--space-lg);
    }
    
    .hero-search-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        margin-top: 16px;
    }
    
    .hero-search-actions .btn {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
        font-size: var(--font-size-sm);
    }
    
    .hero-search .search-field input, 
    .hero-search .search-field select {
        padding: 14px 16px;
        font-size: var(--font-size-sm);
    }
    
    .hero-badges {
        gap: 8px;
        margin-top: 16px;
    }
    
    .hero-badges .badge {
        padding: 8px 16px;
        font-size: var(--font-size-xs);
    }
    
    .microcopy {
        margin-top: 12px;
        font-size: var(--font-size-xs);
    }
    
    .hero .hero-text {
        padding: var(--space-2xl) var(--space-xl);
        border-radius: 28px;
        max-width: 100%;
        margin: 0 auto var(--space-lg);
        width: 100%;
    }
    
    .hero .hero-text h1 {
        font-size: clamp(1.75rem, 5vw, 2.75rem);
        margin-bottom: var(--space-md);
    }
    
    .hero .hero-text p {
        font-size: clamp(0.9rem, 2.5vw, 1.25rem);
        max-width: 100%;
    }
    
    .hero-trust {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
        margin-top: var(--space-xl);
        padding: var(--space-xl);
        max-width: 800px;
    }
    
    .hero-trust-icon {
        width: 48px;
        height: 48px;
        font-size: 1.5rem;
    }
    
    .hero-trust-text {
        font-size: var(--font-size-sm);
    }
    
    .hero-cta {
        gap: var(--space-lg);
        flex-direction: column;
        align-items: center;
    }
    
    .hero-cta-btn {
        padding: 16px 32px;
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 20px 0;
        margin: 0;
        border-radius: 0;
        min-height: 100vh;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        padding: var(--space-lg) var(--space-md);
        border-radius: 8px;
        margin: var(--space-sm);
        min-height: 95vh;
    }
    
    .hero-title {
        font-size: clamp(1.125rem, 6vw, 1.5rem);
        margin-bottom: var(--space-xs);
    }
    
    .hero-description {
        font-size: clamp(0.75rem, 3vw, 0.875rem);
        margin-bottom: var(--space-sm);
    }
    
    .hero-search {
        padding: var(--space-md);
        margin: 0;
        border-radius: 8px;
        max-width: 100%;
    }
    
    .hero-search-row {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
        margin-bottom: var(--space-md);
    }
    
    .hero-search-actions {
        gap: 6px;
        margin-top: 8px;
    }
    
    .hero-search .search-field input, 
    .hero-search .search-field select {
        padding: 10px 12px;
        font-size: var(--font-size-xs);
    }
    
    .hero-search .search-field label {
        font-size: var(--font-size-xs);
    }
    
    .hero-badges {
        gap: 4px;
        margin-top: 8px;
    }
    
    .hero-badges .badge {
        padding: 3px 6px;
        font-size: 10px;
    }
    
    .microcopy {
        font-size: 10px;
        margin-top: 6px;
    }
    
    .hero .hero-text {
        padding: var(--space-lg) var(--space-md);
        border-radius: 20px;
        max-width: 100%;
        margin: 0 auto var(--space-md);
        width: 100%;
    }
    
    .hero .hero-text h1 {
        font-size: clamp(1.25rem, 6vw, 2rem);
        margin-bottom: var(--space-sm);
    }
    
    .hero .hero-text p {
        font-size: clamp(0.75rem, 3vw, 1rem);
        max-width: 100%;
    }
    
    .hero-trust {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
        margin-top: var(--space-lg);
        padding: var(--space-lg);
        max-width: 100%;
    }
    
    .hero-trust-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
    
    .hero-trust-text {
        font-size: var(--font-size-xs);
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--space-md);
        align-items: stretch;
    }
    
    .hero-cta-btn {
        padding: 14px 24px;
        font-size: var(--font-size-sm);
        text-align: center;
    }
    
    /* Filters Section Responsive */
    .filters-section {
        padding: var(--space-2xl) 0;
    }
    
    .search-form {
        padding: var(--space-lg);
        border-radius: 12px;
        margin-bottom: var(--space-lg);
    }
    
    .search-label {
        font-size: var(--font-size-base);
    }
    
    .search-input {
        padding: 14px 16px;
        font-size: var(--font-size-sm);
    }
    
    .search-btn {
        padding: 14px 16px;
        font-size: var(--font-size-sm);
        min-width: 50px;
    }
    
    .filters-form {
        padding: var(--space-xl);
        border-radius: 16px;
    }
    
    .filters-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .filters-title {
        font-size: clamp(1.5rem, 5vw, 2rem);
    }
    
    .filters-description {
        font-size: var(--font-size-base);
    }
    
    .filter-group-wide {
        grid-column: 1;
    }
    
    .filters-actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-md);
    }
    
    .filters-actions .btn {
        width: 100%;
        justify-content: center;
    }
}