/* ==========================================================================
   Responsive Design - Mobile First Approach
   ========================================================================== */

/* Mobile devices (up to 768px) - base styles already defined in style.css */

/* Prevent horizontal overflow on mobile */
@media (max-width: 768px) {
    html, body {
        overflow-x: hidden;
    }
    
    /* Ensure all containers respect viewport width */
    .container {
        max-width: 100vw;
        overflow-x: hidden;
    }
    
    /* Prevent any element from causing horizontal overflow */
    * {
        max-width: 100%;
        box-sizing: border-box;
    }
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
        position: relative;
    }
    
    /* Hamburger to X animation */
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--secondary-color);
        box-shadow: 0 4px 20px var(--shadow-color);
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        z-index: 1000;
        opacity: 1;
        visibility: hidden;
        padding: 80px var(--spacing-md) var(--spacing-md);
        overflow-y: auto;
        overflow-x: hidden;
        /* Ensure the nav doesn't cause horizontal overflow when off-screen */
        clip-path: inset(0 0 0 0);
    }
    
    .nav.active {
        transform: translateX(0);
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
        max-width: 100%;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        padding: var(--spacing-md);
        text-align: left;
        border: 2px solid var(--border-color);
        border-radius: var(--border-radius);
        display: block;
        font-size: 1.1rem;
        background-color: var(--secondary-color);
    }
    
    /* Dropdown indicator on mobile */
    .dropdown > .nav-link {
        position: relative;
        padding-right: calc(var(--spacing-md) * 2.5);
    }
    
    .dropdown > .nav-link::after {
        content: '+';
        position: absolute;
        right: var(--spacing-md);
        top: 50%;
        transform: translateY(-50%);
        font-size: 1.5rem;
        font-weight: bold;
        color: var(--tertiary-color);
        transition: transform 0.3s ease;
    }
    
    .dropdown.active > .nav-link::after {
        content: '−';
        transform: translateY(-50%) rotate(0deg);
    }
    
    /* Mobile Dropdown */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: #f8f9fa;
        margin-top: var(--spacing-sm);
        padding: var(--spacing-sm);
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius);
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .dropdown-menu li {
        margin-bottom: var(--spacing-xs);
    }
    
    .dropdown-menu li:last-child {
        margin-bottom: 0;
    }
    
    .dropdown-menu a {
        padding: var(--spacing-sm);
        font-size: 0.95rem;
        display: block;
    }
    
    
    /* Adjust hero for mobile */
    .hero {
        min-height: 70vh;
        padding: var(--spacing-lg) 0;
    }
    
    .hero h1 {
        font-size: 1.8rem !important;
        padding: 0 var(--spacing-sm);
        line-height: 1.3;
    }
    
    .hero-intro {
        font-size: var(--font-size-base);
    }
    
    .hero-lead {
        font-size: 1.1rem !important;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .hero-stats {
        gap: var(--spacing-md);
        margin-top: var(--spacing-lg);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }
    
    /* Mobile shapes - optimized for mobile */
    .shape-1 {
        width: 250px;
        height: 250px;
        top: 10%;
        left: -15%;
    }
    
    .shape-2 {
        width: 180px;
        height: 180px;
        top: 65%;
        right: -10%;
    }
    
    .shape-3 {
        width: 120px;
        height: 120px;
        top: 35%;
        left: 70%;
    }
    
    .floating-dot {
        width: 10px;
        height: 10px;
    }
    
    
    /* Mobile services */
    .services {
        padding: var(--spacing-lg) 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .service-card {
        padding: var(--spacing-md);
    }
    
    /* Mobile features */
    .why-choose-us {
        padding: var(--spacing-lg) 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .feature-item {
        padding: var(--spacing-md);
    }
    
    /* Mobile CTA */
    .cta {
        padding: var(--spacing-lg) 0;
    }
    
    .cta h2 {
        font-size: 1.5rem;
    }
    
    .cta-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .btn-cta-primary {
        width: auto;
        min-width: 200px;
    }
    
    /* Mobile footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    /* Mobile service pages */
    .page-hero {
        padding: var(--spacing-xl) 0 var(--spacing-lg);
    }
    
    .page-hero h1 {
        font-size: 1.8rem !important;
    }
    
    .page-hero-lead {
        font-size: 1.1rem !important;
    }
    
    .services-overview {
        padding: var(--spacing-lg) 0;
    }
    
    .services-intro h2 {
        font-size: 1.8rem;
    }
    
    .service-detail {
        padding: var(--spacing-md);
    }
    
    .service-header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .service-title h3 {
        font-size: 1.4rem;
    }
    
    .program-cards {
        grid-template-columns: 1fr;
    }
    
    .cta-secondary {
        padding: var(--spacing-lg) 0;
    }
    
    .cta-secondary h2 {
        font-size: 1.5rem;
    }
    
    .cta-secondary .cta-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    /* Mobile about page */
    .mission-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .mission-text {
        order: 1;
    }
    
    .mission-visual {
        order: 2;
    }
    
    .mission-stats {
        flex-direction: row;
        overflow-x: auto;
        gap: var(--spacing-sm);
        padding-bottom: var(--spacing-sm);
    }
    
    .stat-card {
        min-width: 120px;
        flex-shrink: 0;
        padding: var(--spacing-md);
    }
    
    /* New single-column mission layout - mobile */
    .mission-content-single {
        padding: 0 var(--spacing-sm);
    }
    
    .mission-highlight {
        font-size: 1.05rem;
        text-align: left;
    }
    
    .mission-services {
        padding: var(--spacing-lg);
    }
    
    .services-columns {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .mission-text-center h2 {
        font-size: 1.8rem;
    }
    
    .mission-services h3 {
        font-size: 1.2rem;
    }
    
    .logo-explanation {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .logo-display {
        padding: var(--spacing-lg);
    }
    
    .logo-large {
        width: 150px;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .value-card {
        padding: var(--spacing-lg);
    }
    
    /* Mobile contact page */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-form-section {
        order: 2;
    }
    
    .contact-details {
        order: 1;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .process-grid {
        grid-template-columns: 1fr;
    }
    
    /* Mobile contact hero */
    .comm-icon {
        opacity: 0.2 !important;
    }
    
    .phone-1, .email-1 {
        top: 10%;
    }
    
    .phone-2, .chat-1 {
        top: 75%;
    }
    
    .email-2, .chat-2 {
        top: 45%;
    }
    
    .support-1 {
        top: 60%;
        right: 8%;
    }
    
    /* Mobile service pages */
    .services-overview-list {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .service-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .offering-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .overview-item,
    .service-problem,
    .service-solution,
    .program-card {
        padding: var(--spacing-md);
    }
    
    /* Mobile container */
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Mobile typography */
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
}

/* Tablet devices (769px to 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .header-content {
        gap: var(--spacing-md);
    }
    
    .nav-list {
        gap: var(--spacing-sm);
    }
    
    /* Dropdown adjustments for tablet */
    .dropdown-menu {
        min-width: 220px;
    }
    
    /* Tablet services */
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Tablet features */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Tablet hero */
    .hero {
        min-height: 80vh;
    }
    
    .hero h1 {
        font-size: 2.5rem !important;
    }
    
    .hero-stats {
        gap: var(--spacing-lg);
    }
    
    /* Tablet service pages */
    .service-header {
        gap: var(--spacing-md);
    }
    
    .program-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Tablet about page */
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Tablet contact page */
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Tablet CTA */
    .cta h2 {
        font-size: 1.8rem;
    }
}

/* Desktop devices (1025px and up) */
@media (min-width: 1025px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .header {
        padding: var(--spacing-md) 0;
    }
    
    .header-content {
        gap: var(--spacing-xl);
    }
    
    .nav-list {
        gap: var(--spacing-lg);
    }
    
    .hero {
        padding: calc(var(--spacing-xxl) * 1.5) 0;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    /* Larger dropdown for desktop */
    .dropdown-menu {
        min-width: 280px;
    }
    
    /* Enhanced hover effects for desktop */
    .nav-link:hover {
        transform: translateY(-1px);
    }
    
    .btn:hover {
        transform: translateY(-3px);
        box-shadow: 0 6px 20px var(--shadow-color);
    }
}

/* Large desktop devices (1400px and up) */
@media (min-width: 1400px) {
    :root {
        --container-max-width: 1400px;
    }
    
    .hero h1 {
        font-size: 3.2rem;
    }
}

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

/* Print styles */
@media print {
    .header,
    .footer,
    .mobile-menu-btn,
    .dropdown-menu {
        display: none !important;
    }
    
    .main {
        min-height: auto;
    }
    
    * {
        color: black !important;
        background: white !important;
    }
    
    a {
        text-decoration: underline;
    }
}

/* Accessibility - Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .shape,
    .floating-dot,
    .comm-icon {
        animation: none !important;
    }
    
    .hero-background {
        opacity: 0.3;
    }
    
    .shape {
        transform: none !important;
        filter: none !important;
    }
}