/*
 * Tech QA Global - Responsive Styles
 * Mobile-first responsive design
 */

/* ================================
   BREAKPOINTS
   - Mobile: < 640px
   - Tablet: 640px - 1024px
   - Desktop: > 1024px
   ================================ */

/* ================================
   TABLET STYLES (max-width: 1024px)
   ================================ */
@media (max-width: 1024px) {
    :root {
        --text-5xl: 2.5rem;
        --text-6xl: 3rem;
        --text-7xl: 3.5rem;
    }

    .container {
        padding: 0 var(--space-4);
    }

    .section {
        padding: var(--space-16) 0;
    }

    /* Header */
    .nav-menu {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .header-cta .btn {
        display: none;
    }

    /* Hero */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-12);
    }

    .hero-text {
        max-width: 100%;
    }

    .hero h1 {
        font-size: var(--text-5xl);
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-dashboard {
        max-width: 500px;
        margin: 0 auto;
    }

    /* Services Grid */
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Why Choose */
    .why-choose-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .why-choose-content {
        max-width: 100%;
        text-align: center;
    }

    .why-features {
        max-width: 500px;
        margin: 0 auto;
    }

    .why-feature {
        text-align: left;
    }

    .why-choose-cards {
        max-width: 500px;
        margin: 0 auto;
    }

    /* Process Timeline */
    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }

    .process-timeline::before {
        display: none;
    }

    .process-step-number::after {
        display: none;
    }

    /* Stats */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-item:not(:last-child)::after {
        display: none;
    }

    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    /* Blog */
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }

    .footer-brand {
        grid-column: span 2;
        max-width: 100%;
        text-align: center;
    }

    .footer-logo {
        justify-content: center;
    }

    .footer-social {
        justify-content: center;
    }

    /* About Page */
    .about-story-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .about-story-visual {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }

    .about-story-content {
        text-align: center;
    }

    .values-grid {
        max-width: 500px;
        margin: var(--space-8) auto 0;
    }

    .value-item {
        text-align: left;
    }

    .mission-vision-grid {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .timeline-line {
        display: none;
    }

    .timeline-dot {
        display: none;
    }

    .timeline-content {
        text-align: left !important;
        padding: 0 !important;
    }

    /* Services Page */
    .services-page .services-grid {
        grid-template-columns: 1fr;
    }

    /* Industries */
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Careers */
    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .apply-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .job-card {
        flex-direction: column;
        text-align: center;
    }

    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    /* Solutions */
    .solution-row {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .solution-row:nth-child(even) {
        direction: ltr;
    }

    .solution-visual {
        max-width: 500px;
        margin: 0 auto;
    }

    .solution-content {
        text-align: center;
    }

    .solution-features {
        max-width: 300px;
        margin: 0 auto;
    }

    .solution-feature {
        text-align: left;
    }

    /* Utility Grid Overrides */
    .grid-4-cols {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-6-cols {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Mobile Menu Toggle Animations */
    .mobile-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    @media (min-width: 1100px) {
       #mobileMenu {
            display: none !important;
       }
    }

    @media (max-width: 1000px) {
       #mobileMenu {
            display: flex !important;
       }
    }

    /* Mobile Navigation Menu */
    .mobile-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--white);
        padding: var(--space-6) var(--space-8);
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: var(--z-fixed);
        overflow-y: auto;
        display: flex;
        flex-direction: column;
    }

    .mobile-menu.active {
        transform: translateX(0);
    }

    .mobile-menu .nav-link {
        display: block;
        padding: var(--space-4) 0;
        font-size: var(--text-lg);
        color: var(--text);
        border-bottom: 1px solid var(--light-200);
        font-weight: 600;
        transition: color 0.2s ease;
    }

    .mobile-menu .nav-link:hover,
    .mobile-menu .nav-link:active,
    .mobile-menu .nav-link.active {
        color: var(--secondary);
    }

    .mobile-menu .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        padding: var(--space-2) 0 var(--space-2) var(--space-4);
        display: none;
        border: none;
    }

    .mobile-menu .nav-item-dropdown.active .dropdown-menu {
        display: block;
    }

    .mobile-menu .dropdown-item {
        padding: var(--space-2) 0;
        color: var(--text-light);
        font-weight: 500;
        font-size: var(--text-base);
    }
    
    .mobile-menu .dropdown-item:hover {
        color: var(--secondary);
        background: transparent;
    }

    .mobile-menu-cta {
        margin-top: var(--space-8);
        padding-top: var(--space-4);
        border-top: 1px dashed var(--light-200);
        display: flex;
        flex-direction: column;
        gap: var(--space-3);
    }

    .mobile-menu-cta .btn {
        width: 100%;
        justify-content: center;
        text-align: center;
    }

    .mobile-menu-cta .btn-outline {
        color: var(--text);
        border-color: var(--light-200);
        background: transparent;
    }

    .mobile-menu-cta .btn-outline:hover {
        color: var(--secondary);
        border-color: var(--secondary);
        background: rgba(37, 99, 235, 0.05);
    }

    /* Prevent body scrolling when mobile menu is active */
    body.overflow-hidden {
        overflow: hidden !important;
    }

    /* Interactive Dropdown Chevron Indicators */
    .mobile-menu .nav-item-dropdown > a {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .mobile-menu .nav-item-dropdown > a::after {
        content: '';
        width: 8px;
        height: 8px;
        border-right: 2px solid var(--text-light);
        border-bottom: 2px solid var(--text-light);
        transform: rotate(45deg);
        transition: transform 0.3s ease;
        margin-right: var(--space-2);
    } 

    .mobile-menu .nav-item-dropdown.active > a::after {
        transform: rotate(-135deg);
        border-color: var(--secondary);
    }
}

/* ================================
   MOBILE STYLES (max-width: 640px)
   ================================ */
@media (max-width: 640px) {
    /* Utility Grid Overrides */
    .grid-2-cols,
    .grid-3-cols,
    .grid-4-cols,
    .grid-6-cols,
    .form-row,
    .featured-post-card {
        grid-template-columns: 1fr !important;
    }

    :root {
        --text-4xl: 1.75rem;
        --text-5xl: 2rem;
        --text-6xl: 2.25rem;
        --text-7xl: 2.5rem;
    }

    .section {
        padding: var(--space-12) 0;
    }

    /* Hero */
    .hero {
        padding-top: 80px;
        min-height: auto;
        padding-bottom: 4rem;
    }

    .hero h1 {
        font-size: var(--text-4xl);
    }

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

    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-6);
    }

    .hero-stat {
        text-align: center;
    }

    .hero-dashboard {
        display: none;
    }

    /* Trusted By */
    .trusted-by-inner {
        flex-direction: column;
        gap: var(--space-6);
    }

    .trusted-logos {
        gap: var(--space-6);
    }

    /* Services */
    .services-grid {
        grid-template-columns: 1fr !important;
    }

    /* Why Choose */
    .why-choose-cards {
        grid-template-columns: 1fr;
    }

    /* Process */
    .process-timeline {
        grid-template-columns: 1fr;
    }

    .process-step {
        text-align: left;
        display: flex;
        align-items: flex-start;
        gap: var(--space-4);
    }

    .process-step-number {
        width: 60px;
        height: 60px;
        font-size: var(--text-2xl);
        margin: 0;
        flex-shrink: 0;
    }

    .process-step-content {
        flex: 1;
    }

    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .stat-item {
        padding: var(--space-4);
    }

    /* Blog */
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-page .blog-grid {
        grid-template-columns: 1fr;
    }

    /* CTA */
    .cta-content h2 {
        font-size: var(--text-3xl);
    }

    .cta-buttons {
        flex-direction: column;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        grid-column: span 1;
    }

    .footer-column h4 {
        margin-top: var(--space-6);
    }

    .footer-contact-item {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

    /* Page Header */
    .page-header {
        padding: 120px 0 var(--space-12);
    }

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

    /* About */
    .values-grid {
        grid-template-columns: 1fr;
    }

    .about-story-badge {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: var(--space-4);
    }

    /* Industries */
    .industries-grid {
        grid-template-columns: 1fr;
    }

    /* Careers */
    .culture-grid {
        grid-template-columns: 1fr;
    }

    .apply-form {
        padding: var(--space-6);
    }

    /* Contact */
    .contact-form-wrapper {
        padding: var(--space-6);
    }

    .business-hours {
        padding: var(--space-4);
    }

    /* Blog Categories */
    .blog-categories {
        gap: var(--space-2);
    }

    .blog-category-btn {
        padding: var(--space-1) var(--space-3);
        font-size: var(--text-xs);
    }

    /* Service Features */
    .service-features-list {
        grid-template-columns: 1fr;
    }

    .service-detail-header {
        flex-direction: column;
        text-align: center;
    }

    .service-detail-icon {
        margin: 0 auto;
    }

    /* Forms */
    .form-group {
        margin-bottom: var(--space-4);
    }


}

/* ================================
   SMALL MOBILE STYLES (max-width: 380px)
   ================================ */
@media (max-width: 380px) {
    :root {
        --text-3xl: 1.5rem;
        --text-4xl: 1.5rem;
        --text-5xl: 1.75rem;
    }

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

    .section-header h2 {
        font-size: var(--text-2xl);
    }

    .card {
        padding: var(--space-6);
    }

    .process-step-number {
        width: 50px;
        height: 50px;
        font-size: var(--text-xl);
    }

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

    .why-card-number {
        font-size: var(--text-3xl);
    }
}

/* ================================
   LARGE DESKTOP STYLES (min-width: 1440px)
   ================================ */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }

    .hero h1 {
        font-size: var(--text-7xl);
    }
}

/* ================================
   PRINT STYLES
   ================================ */
@media print {
    .header,
    .footer,
    .hero-visual,
    .cta-section,
    .scroll-indicator {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: var(--space-8) 0;
    }

    .section {
        padding: var(--space-8) 0;
    }

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

    h1, h2, h3, h4, h5, h6 {
        color: #000;
    }

    a {
        color: #000;
        text-decoration: underline;
    }

    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}