/* Air on Time Heating & Cooling - Responsive CSS */

/* Tablet Styles */
@media screen and (max-width: 1024px) {
    .container {
        padding: 3rem 1.5rem;
    }
    
    .nav-container {
        padding: 0 1.5rem;
    }
    
    .logo-img {
        height: 50px;
    }
    
    .hero {
        padding: 6rem 1.5rem 4rem;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-form {
        padding: 2rem;
    }
    
    /* QR Links Tablet */
    .qr-links-container {
        gap: 10px;
    }
    
    .qr-link-btn {
        padding: 10px 14px;
        font-size: 12px;
        min-width: 120px;
    }
}

/* Mobile Landscape */
@media screen and (max-width: 768px) {
    /* Center align all sections for mobile */
    .container {
        text-align: center;
    }
    
    .section {
        text-align: center;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--gradient);
        padding: 2rem;
        transform: translateY(-100%);
        transition: var(--transition);
        opacity: 0;
        visibility: hidden;
        box-shadow: var(--shadow);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .nav-link {
        display: block;
        padding: 1rem;
        border-radius: var(--border-radius);
        background: rgba(255, 255, 255, 0.1);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        padding: 4rem 1rem 3rem;
        background-position: center top;
        background-size: contain;
        background-repeat: no-repeat;
        background-color: var(--gradient);
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
    }
    
    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        margin-top: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .emergency-content {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .emergency-text {
        font-size: 1rem;
        text-align: center;
    }

    .team-grid {
        grid-template-columns: 1fr;
        margin-top: 2rem;
    }

    .team-card {
        text-align: center;
    }

    .team-info {
        align-items: center;
        text-align: center;
    }

    .team-info h3 {
        font-size: 1.4rem;
    }

    .team-bio {
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        justify-items: center;
    }
    
    .feature-card {
        padding: 2rem 1.5rem;
        text-align: center;
        margin: 0 auto;
        max-width: 400px;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
        justify-items: center;
    }
    
    .service-item {
        text-align: center;
        margin: 0 auto;
        max-width: 400px;
    }
    
    .testimonial-grid {
        grid-template-columns: 1fr;
        justify-items: center;
    }
    
    .testimonial-card {
        text-align: center;
        margin: 0 auto;
        max-width: 400px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-form {
        text-align: center;
        margin: 0 auto;
        max-width: 500px;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        justify-items: center;
    }
    
    .contact-item {
        text-align: center;
        margin: 0 auto;
        max-width: 300px;
    }
    
    .social-links {
        gap: 0.8rem;
        justify-content: center;
    }
    
    .social-btn {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .social-btn svg {
        width: 20px;
        height: 20px;
    }
    
    /* QR Links Mobile - Stack vertically and center */
    .qr-links-container {
        flex-direction: column !important;
        align-items: center;
        gap: 12px;
        margin: 1.5rem 0;
    }
    
    .qr-link-btn {
        width: 100%;
        max-width: 280px;
        padding: 12px 16px;
        font-size: 14px;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .whatsapp-widget {
        bottom: 15px;
        right: 15px;
    }
    
    .whatsapp-btn {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .whatsapp-btn svg {
        width: 24px;
        height: 24px;
    }
    
    .back-to-top {
        bottom: 75px;
        right: 15px;
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
}

/* Mobile Portrait */
@media screen and (max-width: 480px) {
    .container {
        padding: 2rem 1rem;
        text-align: center;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    /* Center all content sections */
    .section {
        text-align: center;
    }
    
    .features,
    .service-grid,
    .testimonial-grid {
        justify-items: center;
    }
    
    .feature-card,
    .service-item,
    .testimonial-card {
        margin: 0 auto;
        max-width: 320px;
    }
    
    .logo {
        font-size: 1.3rem;
    }
    
    .logo-img {
        height: 45px;
    }
    
    .logo-text {
        font-size: 1.3rem;
    }
    
    .footer-logo-img {
        height: 60px;
    }
    
    .footer-logo-text {
        font-size: 1rem;
    }
    
    .nav-buttons {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    
    .contact-btn {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
        white-space: nowrap;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .hero {
        padding: 3rem 1rem 2rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .hero-buttons {
        margin-bottom: 2rem;
    }
    
    .cta-button {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.9rem;
    }
    
    .emergency-banner {
        padding: 0.8rem 0;
    }
    
    .emergency-text {
        font-size: 0.9rem;
    }
    
    .emergency-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.7rem;
    }
    
    .feature-card {
        padding: 1.5rem 1rem;
    }
    
    .feature-icon {
        font-size: 3rem;
    }
    
    .feature-card h3 {
        font-size: 1.3rem;
    }
    
    .service-item {
        padding: 1.5rem;
    }
    
    .service-icon {
        font-size: 2rem;
    }
    
    .service-item h4 {
        font-size: 1.3rem;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
    
    .submit-btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .contact-item {
        padding: 1.5rem;
    }
    
    .contact-item h3 {
        font-size: 1.1rem;
    }
    
    .contact-item a {
        font-size: 1rem;
    }
    
    /* Products section mobile alignment */
    .products-grid {
        justify-items: center;
    }
    
    .product-card {
        margin: 0 auto;
        max-width: 300px;
        text-align: center;
    }
    
    .category-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .category-btn {
        margin: 0.25rem;
    }
    
    .social-btn {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    .social-btn svg {
        width: 18px;
        height: 18px;
    }
    
    .footer {
        padding: 2rem 1rem 1rem;
    }
    
    .footer-section {
        margin-bottom: 1.5rem;
    }
    
    .whatsapp-btn {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    .whatsapp-btn svg {
        width: 20px;
        height: 20px;
    }
    
    .back-to-top {
        bottom: 70px;
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
}

/* Very Small Mobile */
@media screen and (max-width: 360px) {
    .hero h1 {
        font-size: 1.6rem;
        text-align: center;
    }
    
    .section-title {
        font-size: 1.5rem;
        text-align: center;
    }
    
    /* Ensure all content is centered on very small screens */
    .container {
        text-align: center;
    }
    
    .feature-card,
    .service-item,
    .testimonial-card,
    .product-card {
        margin: 0 auto;
        max-width: 280px;
        text-align: center;
    }
    
    .feature-card {
        padding: 1.2rem 0.8rem;
    }
    
    .service-item {
        padding: 1.2rem;
    }
    
    .testimonial-card {
        padding: 1.2rem;
    }
    
    .contact-form {
        padding: 1.2rem;
    }
    
    .contact-item {
        padding: 1.2rem;
    }
    
    .emergency-content {
        padding: 0 0.5rem;
    }
    
    .nav-menu {
        padding: 1.5rem;
    }
}

/* High DPI Displays */
@media screen and (min-width: 1200px) {
    .hero h1 {
        font-size: 4rem;
    }
    
    .hero p {
        font-size: 1.3rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
    
    .features {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .service-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .testimonial-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-info {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Landscape Orientation */
@media screen and (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: 2rem 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 1rem;
    }
    
    .hero-buttons {
        margin-bottom: 1rem;
    }
    
    .hero-stats {
        margin-top: 1rem;
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .feature-card:hover,
    .service-item:hover,
    .testimonial-card:hover,
    .contact-item:hover {
        transform: none;
    }
    
    .cta-button:hover,
    .contact-btn:hover,
    .social-btn:hover,
    .emergency-btn:hover,
    .submit-btn:hover,
    .back-to-top:hover,
    .whatsapp-btn:hover {
        transform: none;
    }
    
    /* Increase touch target sizes */
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .cta-button,
    .contact-btn,
    .social-btn,
    .emergency-btn,
    .submit-btn {
        min-height: 44px;
    }
    
    .mobile-menu-toggle {
        min-width: 44px;
        min-height: 44px;
    }
}

/* Reduced Motion Preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .whatsapp-btn {
        animation: none;
    }
    
    .emergency-banner {
        animation: none;
    }
    
    .emergency-icon {
        animation: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --shadow: 0 4px 20px rgba(0,0,0,0.3);
        --shadow-hover: 0 8px 30px rgba(0,0,0,0.4);
    }
    
    .feature-card,
    .service-item,
    .testimonial-card,
    .contact-form {
        border: 2px solid #000;
    }
    
    .cta-button,
    .contact-btn,
    .social-btn,
    .emergency-btn,
    .submit-btn {
        border: 2px solid currentColor;
    }
}

/* Print Media Query Enhancements */
@media print {
    * {
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    .container {
        padding: 1rem 0;
    }
    
    .section-title {
        margin-bottom: 1rem;
        page-break-after: avoid;
    }
    
    .feature-card,
    .service-item,
    .testimonial-card {
        break-inside: avoid;
        margin-bottom: 1rem;
    }
    
    .contact-info {
        display: block;
    }
    
    .contact-item {
        margin-bottom: 1rem;
        background: none !important;
    }
    
    .social-links {
        display: none;
    }
    
    .footer-content {
        display: block;
    }
    
    .footer-section {
        margin-bottom: 1rem;
    }
    
    /* Products Section Mobile */
    .products {
        padding: 40px 0;
    }
    
    .products-categories {
        gap: 10px;
        margin-bottom: 30px;
    }
    
    .category-btn {
        padding: 10px 18px;
        font-size: 13px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 40px;
    }
    
    .product-card {
        margin: 0 10px;
    }
    
    .product-image {
        height: 100px;
    }
    
    .product-icon {
        font-size: 36px;
    }
    
    .product-info {
        padding: 20px;
    }
    
    .product-info h3 {
        font-size: 18px;
    }
    
    .product-description {
        font-size: 13px;
    }
    
    .feature-tag {
        font-size: 10px;
        padding: 3px 8px;
    }
    
    .price {
        font-size: 20px;
    }
    
    .products-cta {
        padding: 30px 20px;
        margin: 0 10px;
    }
    
    .products-cta h3 {
        font-size: 24px;
    }
    
    .products-cta p {
        font-size: 14px;
    }
    
    .cta-buttons {
        gap: 15px;
        flex-direction: column;
        align-items: center;
    }
    
    .cta-button {
        width: 100%;
        max-width: 280px;
        padding: 12px 20px;
        font-size: 14px;
    }
    
    /* QR Code Section Mobile */
    .qr-contact-section {
        margin: 20px auto 0;
        padding: 20px;
        max-width: 90%;
    }
    
    .qr-contact-section h3 {
        font-size: 18px;
    }
    
    .qr-code-img {
        max-width: 150px;
    }
    
    .qr-instructions {
        font-size: 11px;
        padding: 8px;
    }
    
    /* QR Links in Contact Section Mobile */
    .qr-links-container {
        gap: 8px;
        flex-direction: column;
    }
    
    .qr-link-btn {
        padding: 12px 16px;
        font-size: 13px;
        min-width: auto;
        flex: none;
    }
    
    .qr-link-btn .icon {
        font-size: 16px;
    }
}
/* Extra Small Mobile (iPhone SE, small phones) */
@media screen and (max-width: 375px) {
    .nav-container {
        padding: 0 0.5rem;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .logo-text {
        font-size: 1.1rem;
    }
    
    .nav-buttons {
        gap: 0.3rem;
    }
    
    .contact-btn {
        padding: 0.5rem 0.7rem;
        font-size: 0.75rem;
    }
    
    .mobile-menu-toggle {
        padding: 0.3rem;
    }
    
    .mobile-menu-toggle span {
        width: 22px;
        height: 2px;
    }
}