/* 
 * Aishi Distributor Website - Responsive Styles
 * Responsive design for all device sizes
 */

/* Mobile First Approach */

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
    .container {
        padding: 0 30px;
    }
    
    h1 {
        font-size: 2.75rem;
    }
    
    h2 {
        font-size: 2.25rem;
    }
    
    .hero-banner h1 {
        font-size: 2.5rem;
    }
    
    .nav-container {
        padding: 1rem 30px;
    }
    
    .advantages-grid,
    .products-grid,
    .solutions-grid,
    .news-grid,
    .categories-grid,
    .articles-grid,
    .engineers-grid,
    .tools-grid,
    .related-grid,
    .cases-grid,
    .certs-grid,
    .contact-grid,
    .offices-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .form-row {
        flex-direction: row;
    }
    
    .cta-buttons,
    .cta-options {
        flex-direction: row;
        justify-content: center;
    }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
    .container {
        padding: 0 40px;
    }
    
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.5rem;
    }
    
    .nav-menu {
        display: flex;
    }
    
    .nav-item {
        margin-left: 1.5rem;
    }
    
    .hero-banner h1 {
        font-size: 3rem;
    }
    
    .nav-container {
        padding: 1rem 40px;
    }
    
    .advantages-grid,
    .products-grid,
    .solutions-grid,
    .news-grid,
    .categories-grid,
    .articles-grid,
    .engineers-grid,
    .tools-grid,
    .related-grid,
    .cases-grid,
    .certs-grid,
    .contact-grid,
    .offices-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .page-header .container {
        align-items: center;
    }
    
    .intro-content {
        flex: 1;
        padding-right: 2rem;
    }
    
    .intro-image {
        flex: 1;
    }
    
    .intro-content,
    .intro-image {
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    
    .company-intro .container {
        display: flex;
        gap: 2rem;
    }
    
    .timeline {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .office-region {
        display: flex;
        flex-direction: column;
    }
    
    .office-subregion {
        flex: 1;
    }
    
    .offices-grid > .office-region:nth-child(2) {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
    
    .offices-grid > .office-region:nth-child(2) .office-subregion {
        display: flex;
        flex-direction: column;
    }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
    .container {
        padding: 0 20px;
    }
    
    .nav-container {
        padding: 1rem 20px;
    }
    
    h1 {
        font-size: 3.25rem;
    }
    
    h2 {
        font-size: 2.75rem;
    }
    
    .hero-banner h1 {
        font-size: 3.5rem;
    }
    
    .advantages-grid,
    .products-grid,
    .solutions-grid,
    .news-grid,
    .categories-grid,
    .articles-grid,
    .engineers-grid,
    .tools-grid,
    .related-grid,
    .cases-grid,
    .certs-grid,
    .contact-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .capabilities-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .office-subregion {
        min-width: 250px;
    }
    
    .offices-grid > .office-region:nth-child(2) {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .cta-buttons {
        gap: 2rem;
    }
    
    .cta-options {
        gap: 1.5rem;
    }
    
    .btn {
        padding: 0.875rem 2rem;
        font-size: 1.1rem;
    }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
        padding: 0;
    }
    
    h1 {
        font-size: 3.5rem;
    }
    
    h2 {
        font-size: 3rem;
    }
    
    .hero-banner h1 {
        font-size: 4rem;
    }
    
    .advantages-grid,
    .products-grid,
    .solutions-grid,
    .news-grid,
    .categories-grid,
    .articles-grid,
    .engineers-grid,
    .tools-grid,
    .related-grid,
    .cases-grid,
    .certs-grid,
    .contact-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .capabilities-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Specific responsive adjustments */

/* Tables */
@media (max-width: 767px) {
    .product-table,
    .series-table,
    .bom-table {
        font-size: 0.8rem;
    }
    
    .product-table th,
    .product-table td,
    .series-table th,
    .series-table td,
    .bom-table th,
    .bom-table td {
        padding: 0.5rem;
    }
    
    .product-table th,
    .product-table td {
        display: block;
    }
    
    .product-table tr {
        display: block;
        margin-bottom: 1rem;
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius);
    }
    
    .product-table tr:last-child {
        margin-bottom: 0;
    }
    
    .product-table td::before {
        content: attr(data-label) ": ";
        font-weight: bold;
        display: inline-block;
        width: 100px;
    }
}

/* Navigation adjustments */
@media (max-width: 991px) {
    .nav-container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .logo {
        margin-bottom: 1rem;
    }
    
    .nav-menu {
        width: 100%;
        flex-direction: column;
    }
    
    .nav-item {
        margin: 0;
        width: 100%;
    }
    
    .nav-link {
        display: block;
        padding: 1rem 0;
        border-bottom: 1px solid var(--border-color);
    }
}

/* Footer adjustments */
@media (min-width: 768px) {
    .footer-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Timeline adjustments */
@media (max-width: 767px) {
    .timeline {
        grid-template-columns: 1fr;
    }
}

/* Offices grid adjustments */
@media (min-width: 992px) {
    .offices-grid {
        display: grid;
        grid-template-columns: 1fr 2fr;
        gap: 2rem;
    }
    
    .offices-grid > .office-region:first-child {
        border-right: 1px solid var(--border-color);
        padding-right: 1rem;
    }
    
    .offices-grid > .office-region:nth-child(2) {
        padding-left: 1rem;
    }
}

/* Intro section adjustments */
@media (max-width: 767px) {
    .company-intro .container {
        flex-direction: column;
    }
    
    .intro-content {
        padding-right: 0;
        margin-bottom: 2rem;
    }
    
    .intro-image {
        align-self: center;
    }
    
    .intro-image img {
        max-width: 100%;
        height: auto;
    }
}

/* Breadcrumb adjustments */
@media (max-width: 575px) {
    .breadcrumb {
        font-size: 0.8rem;
    }
    
    .page-header h1 {
        font-size: 1.8rem;
    }
}

/* Buttons adjustments */
@media (max-width: 400px) {
    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .cta-buttons,
    .cta-options {
        flex-direction: column;
        align-items: stretch;
    }
}

/* Article content adjustments */
@media (min-width: 768px) {
    .content-article .container {
        max-width: 800px;
    }
}

/* Product intro adjustments */
@media (min-width: 768px) {
    .product-intro .container {
        display: flex;
        gap: 2rem;
    }
    
    .product-intro-content {
        flex: 2;
    }
    
    .product-cta {
        flex: 1;
        padding: 1.5rem;
        background-color: var(--light-bg);
        border-radius: var(--border-radius);
        align-self: flex-start;
        height: fit-content;
    }
}

/* Solution block diagram adjustments */
@media (max-width: 767px) {
    .diagram-container img {
        max-width: 100%;
        height: auto;
    }
}