/**
 * ============================================================================
 * SIDDHIVINAYAK ENGINEERING - Comprehensive Master Responsive Stylesheet
 * ============================================================================
 * Covers: Mobile (320px - 767px), Tablet (768px - 1024px), Small Laptops (1025px - 1199px)
 * Eliminates all horizontal overflows, provides smooth mobile navigation,
 * touch-friendly targets, and fluid responsive layouts across all webpages.
 */

/* ============================================================================
   1. GLOBAL RESPONSIVE DEFAULTS & ANTI-OVERFLOW SAFETY
   ============================================================================ */

*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    max-width: 100%;
    overflow-x: clip;
}

img, picture, svg, video, canvas {
    max-width: 100%;
    height: auto;
    display: inline-block;
}

iframe {
    max-width: 100%;
}

/* Responsive Table Wrapper */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 1.5rem;
    border-radius: 8px;
}

.table-responsive table {
    width: 100%;
    min-width: 480px;
    border-collapse: collapse;
}

/* Responsive Video 16:9 Container */
.video-container, .video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
}

.video-container iframe, .video-container object, .video-container embed,
.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    border: 0;
}

/* Common Fluid Spacers & Utilities */
.img-fluid {
    max-width: 100%;
    height: auto;
}

.text-break {
    word-break: break-word;
    overflow-wrap: break-word;
}

/* Horizontal scrollbar styling for category tabs & touch bars */
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.hide-scrollbar::-webkit-scrollbar {
    display: none;
}

.touch-scroll-x {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    gap: 12px;
    padding-bottom: 8px;
}
.touch-scroll-x > * {
    scroll-snap-align: start;
    flex-shrink: 0;
}

/* ============================================================================
   2. LARGE TABLET & SMALL DESKTOP BREAKPOINT (max-width: 1199px)
   ============================================================================ */

@media (max-width: 1199px) {
    .container {
        max-width: 100%;
        padding: 0 24px;
    }

    .lb-split {
        gap: 40px;
    }

    .products-shell {
        grid-template-columns: 240px 1fr !important;
        gap: 24px !important;
    }

    #catalog-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 40px !important;
    }
}

/* ============================================================================
   3. TABLET BREAKPOINT (max-width: 991px) — Trigger Mobile Drawer & Touch UI
   ============================================================================ */

@media (max-width: 991px) {
    /* Header & Top Bar */
    .top-utility-bar {
        padding: 6px 0;
        font-size: 0.78rem;
    }
    .top-utility-bar .container {
        justify-content: center !important;
        gap: 10px !important;
    }

    .site-header {
        position: relative;
    }

    .navbar {
        height: 70px !important;
        padding: 0 16px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
    }

    .logo img {
        height: 52px !important;
        width: auto !important;
    }

    /* Hamburger Button */
    .hamburger-circle {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border-radius: 10px;
        background: var(--bg-main, #f8fafc);
        border: 1px solid var(--border-color, #e2e8f0);
        cursor: pointer;
        z-index: 1000;
        transition: all 0.25s ease;
    }
    .hamburger-circle:hover {
        background: var(--accent-light, #eaf2fa);
        border-color: var(--primary-color, #4476a9);
    }

    .hamburger {
        width: 22px;
        height: 16px;
        position: relative;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    .hamburger span {
        display: block;
        height: 2px;
        width: 100%;
        background: var(--text-color, #0f172a);
        border-radius: 2px;
        transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .hamburger-circle.active .hamburger span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
        background: var(--secondary-color, #f25b22);
    }
    .hamburger-circle.active .hamburger span:nth-child(2) {
        opacity: 0;
    }
    .hamburger-circle.active .hamburger span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
        background: var(--secondary-color, #f25b22);
    }

    .header-right {
        display: flex !important;
        align-items: center !important;
        gap: 10px !important;
    }

    .btn-header-cta {
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 6px !important;
        padding: 8px 14px !important;
        font-size: 0.82rem !important;
        font-weight: 700 !important;
        border-radius: 6px !important;
        box-shadow: 0 3px 8px rgba(242, 91, 34, 0.25) !important;
        white-space: nowrap !important;
    }
    .btn-cta-text-full {
        display: inline !important;
    }
    .btn-cta-text-mobile {
        display: none !important;
    }

    /* Mobile Drawer In-Menu CTA Button */
    .mobile-drawer-cta-item {
        display: block !important;
        border-bottom: none !important;
        padding-top: 12px !important;
        margin-top: 6px !important;
    }
    .mobile-drawer-cta-btn {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 8px !important;
        width: 100% !important;
        padding: 12px 18px !important;
        border-radius: 8px !important;
        font-weight: 700 !important;
        font-size: 0.88rem !important;
        text-decoration: none !important;
        color: #ffffff !important;
        background: var(--secondary-color, #f25b22) !important;
        box-shadow: 0 4px 12px rgba(242, 91, 34, 0.28) !important;
        transition: all 0.2s ease !important;
    }
    .mobile-drawer-cta-btn:hover {
        background: #d64714 !important;
        color: #ffffff !important;
    }

    /* Mobile Navigation Drawer */
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        background: #ffffff;
        border-top: 1px solid var(--border-color, #e2e8f0);
        box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
        padding: 12px 16px 24px;
        margin: 0;
        list-style: none;
        max-height: calc(85vh - 70px);
        overflow-y: auto;
        z-index: 99999;
        -webkit-overflow-scrolling: touch;
    }

    .nav-links.active {
        display: flex !important;
        animation: navSlideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    @keyframes navSlideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid rgba(226, 232, 240, 0.7);
    }
    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links li > a {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 14px 12px !important;
        font-size: 1rem !important;
        font-weight: 600 !important;
        color: var(--text-color, #0f172a) !important;
        text-decoration: none !important;
        border-radius: 8px;
        transition: background 0.2s ease, color 0.2s ease;
    }
    .nav-links li > a:hover,
    .nav-links li > a:active {
        background: var(--accent-light, #eaf2fa);
        color: var(--primary-color, #4476a9) !important;
    }

    /* Nested Dropdown Accordions */
    .nav-links .dropdown-menu {
        position: static !important;
        display: none !important;
        width: 100% !important;
        background: #f8fafc !important;
        border-radius: 10px !important;
        border: 1px solid var(--border-color, #e2e8f0) !important;
        padding: 6px !important;
        margin: 4px 0 10px !important;
        box-shadow: none !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .nav-links .has-dropdown.mobile-active > .dropdown-menu {
        display: flex !important;
        flex-direction: column !important;
    }

    .nav-links .dropdown-menu li {
        border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    }
    .nav-links .dropdown-menu li > a {
        padding: 10px 12px !important;
        font-size: 0.9rem !important;
        font-weight: 500 !important;
    }

    .nav-links .submenu,
    .nav-links .products-grid-submenu {
        position: static !important;
        display: none !important;
        width: 100% !important;
        background: #ffffff !important;
        border-radius: 8px !important;
        border-left: 3px solid var(--primary-color, #4476a9) !important;
        padding: 10px !important;
        margin: 6px 0 !important;
        box-shadow: none !important;
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)) !important;
        gap: 10px !important;
    }

    .nav-links .has-submenu.mobile-active > .submenu,
    .nav-links .has-submenu.mobile-active > .products-grid-submenu {
        display: grid !important;
    }

    .submenu-product-card {
        padding: 8px !important;
        background: #f8fafc !important;
        border-radius: 8px !important;
        border: 1px solid var(--border-color, #e2e8f0) !important;
        text-align: center;
        text-decoration: none;
    }
    .submenu-product-img img {
        max-height: 50px !important;
        object-fit: contain;
    }
    .submenu-product-title {
        font-size: 0.75rem !important;
        color: var(--text-color, #0f172a);
        font-weight: 600;
        margin-top: 4px;
        display: block;
    }

    /* 50/50 Splits Stack on Tablet */
    .lb-split,
    .lb-split.reverse {
        grid-template-columns: 1fr !important;
        gap: 36px !important;
        direction: ltr !important;
    }
    .lb-split.reverse > * {
        direction: ltr !important;
    }

    .lb-split-img img {
        min-height: 280px !important;
        max-height: 380px !important;
    }

    /* Hero Carousel on Tablet */
    #hero-carousel-section {
        padding: 0 !important;
        margin: 0 !important;
        height: clamp(480px, 55vw, 580px) !important;
        min-height: 480px !important;
        background: #0a1220 !important;
    }
    #hero-slider {
        padding: 0 !important;
        margin: 0 !important;
        min-height: 480px !important;
        height: 100% !important;
    }
    .hero-slide {
        padding: 40px 20px 50px !important;
        text-align: center !important;
        align-items: center !important;
        justify-content: center !important;
        background-size: cover !important;
        background-position: center center !important;
    }
    .hero-slide-content {
        align-items: center !important;
        text-align: center !important;
        justify-content: center !important;
        margin: 0 auto !important;
    }
    .hero-slide-badge {
        margin: 0 auto 14px !important;
    }
    .hero-slide-title {
        font-size: clamp(1.6rem, 4vw, 2.2rem) !important;
        text-align: center !important;
        margin: 0 auto 12px !important;
    }
    .hero-slide-desc {
        text-align: center !important;
        margin: 0 auto 24px !important;
    }
    .hero-cta-group {
        justify-content: center !important;
        align-items: center !important;
        margin: 0 auto !important;
    }

    /* Features Grid (About 4 Pillars) */
    .lb-features-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px !important;
    }

    /* Products Shell (Sidebar becomes top filter on tablet) */
    .products-shell {
        grid-template-columns: 1fr !important;
        gap: 28px !important;
    }
    .products-shell aside {
        position: static !important;
    }
    .products-shell aside nav.catalog-tabs {
        display: flex !important;
        flex-direction: row !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 8px;
        gap: 8px !important;
    }
    .products-shell aside nav.catalog-tabs button {
        flex-shrink: 0 !important;
        width: auto !important;
    }

    /* Product Details Page Header */
    .about-grid {
        grid-template-columns: 1fr !important;
        gap: 35px !important;
    }
    .product-detail-img-card {
        max-width: 480px;
        margin: 0 auto;
    }

    /* Blog Details Page */
    .blog-grid-wrapper {
        grid-template-columns: 1fr !important;
        gap: 36px !important;
    }

    /* Contact Page 2-Col Grid */
    .contact-grid-2col {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    /* Section padding */
    section {
        padding: 55px 0 !important;
    }
}

/* ============================================================================
   4. MOBILE BREAKPOINT (max-width: 767px)
   ============================================================================ */

@media (max-width: 767px) {
    /* Container Padding */
    .container {
        padding: 0 16px !important;
    }

    /* Fluid Headings */
    h1, .hero h1, .page-header h1 {
        font-size: clamp(1.65rem, 6vw, 2.2rem) !important;
        line-height: 1.2 !important;
    }

    h2, .section-title {
        font-size: clamp(1.4rem, 5vw, 1.85rem) !important;
        line-height: 1.25 !important;
    }

    h3 {
        font-size: 1.2rem !important;
    }

    p, .section-subtitle {
        font-size: 0.95rem !important;
        line-height: 1.65 !important;
    }

    .section-subtitle {
        margin-bottom: 28px !important;
    }

    /* Top Utility Bar on Mobile */
    .top-utility-bar {
        padding: 5px 0 !important;
        font-size: 0.76rem !important;
    }
    .top-utility-bar .utility-email-secondary {
        display: none !important;
    }
    .top-utility-bar .container {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        gap: 8px !important;
        padding: 0 16px !important;
    }
    .top-utility-phone a,
    .top-utility-emails a {
        font-size: 0.76rem !important;
    }

    /* Mobile Menu Bar CTA Button */
    .btn-header-cta {
        padding: 7px 11px !important;
        font-size: 0.78rem !important;
        gap: 5px !important;
    }
    .btn-cta-text-full {
        display: none !important;
    }
    .btn-cta-text-mobile {
        display: inline !important;
    }
    .btn-header-cta svg {
        width: 12px !important;
        height: 12px !important;
    }

    /* Hero Carousel on Mobile */
    #hero-carousel-section {
        position: relative !important;
        overflow: hidden !important;
        width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
        background: #0a1220 !important;
        min-height: 520px !important;
        height: auto !important;
    }

    #hero-slider {
        position: relative !important;
        width: 100% !important;
        min-height: 520px !important;
        height: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .hero-slide {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        padding: 24px 16px 40px !important;
        box-sizing: border-box !important;
        background-size: cover !important;
        background-position: center center !important;
        background-repeat: no-repeat !important;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.6s ease-in-out, visibility 0.6s ease-in-out !important;
        z-index: 1 !important;
        text-align: center !important;
    }

    .hero-slide.active {
        opacity: 1 !important;
        visibility: visible !important;
        z-index: 2 !important;
    }

    .hero-slide-content {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
        width: 100% !important;
        margin: 0 auto !important;
    }

    .hero-slide-badge {
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 6px !important;
        font-size: 0.72rem !important;
        font-weight: 700 !important;
        padding: 6px 14px !important;
        margin-top: 0 !important;
        margin-bottom: 14px !important;
        margin-left: auto !important;
        margin-right: auto !important;
        line-height: 1.35 !important;
        max-width: 100% !important;
        word-break: break-word !important;
        border-radius: 24px !important;
        text-align: center !important;
    }

    .hero-slide-title {
        font-size: clamp(1.45rem, 5vw, 1.95rem) !important;
        line-height: 1.22 !important;
        margin-bottom: 12px !important;
        margin-left: auto !important;
        margin-right: auto !important;
        text-align: center !important;
        width: 100% !important;
    }

    .hero-slide-desc {
        font-size: 0.88rem !important;
        line-height: 1.55 !important;
        margin-bottom: 20px !important;
        margin-left: auto !important;
        margin-right: auto !important;
        color: rgba(255, 255, 255, 0.82) !important;
        text-align: center !important;
        width: 100% !important;
    }

    #slider-prev {
        left: 6px !important;
        width: 36px !important;
        height: 36px !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        z-index: 10 !important;
    }
    #slider-next {
        right: 6px !important;
        width: 36px !important;
        height: 36px !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        z-index: 10 !important;
    }
    #slider-dots {
        bottom: 10px !important;
        z-index: 10 !important;
    }

    /* Hero CTA Group */
    .hero-cta-group {
        display: flex !important;
        flex-direction: column !important;
        width: 100% !important;
        max-width: 300px !important;
        margin: 0 auto !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 10px !important;
    }
    .btn-hero-primary,
    .btn-hero-secondary,
    .btn-hero-outline {
        width: 100% !important;
        justify-content: center !important;
        text-align: center !important;
        padding: 11px 16px !important;
        font-size: 0.85rem !important;
    }

    /* Featured Industrial Systems on Mobile (View All Button Below Products) */
    .featured-products-header {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        gap: 12px !important;
        margin-bottom: 28px !important;
    }
    .featured-products-title-box {
        text-align: center !important;
        width: 100% !important;
    }
    .featured-products-title-box .section-tag {
        margin: 0 auto 8px !important;
    }
    .featured-view-all-desktop {
        display: none !important;
    }
    .featured-view-all-mobile {
        display: flex !important;
    }

    /* Product Cards Grids & Featured Showcase */
    #catalog-grid,
    #catalog-grid-home,
    .card-grid,
    .product-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    .featured-showcase-layout {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
    }
    .featured-main-image-box {
        height: 240px !important;
        padding: 20px !important;
    }
    .featured-main-body {
        padding: 22px 20px !important;
    }
    .featured-main-title {
        font-size: 1.28rem !important;
    }
    .featured-side-stack {
        gap: 16px !important;
    }
    .featured-side-card {
        flex-direction: row !important;
    }
    .featured-side-image-box {
        width: 120px !important;
        min-width: 120px !important;
        padding: 10px !important;
    }
    .featured-side-body {
        padding: 14px 16px !important;
    }
    .featured-side-title {
        font-size: 0.98rem !important;
    }

    /* Recommended Coding Systems (2 Items Per Row on Mobile) */
    .related-products-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: clamp(8px, 2.5vw, 14px) !important;
        width: 100% !important;
    }
    .related-products-grid .futuristic-card {
        border-radius: 12px !important;
        height: 100% !important;
    }
    .related-products-grid .futuristic-card-inner {
        border-radius: 12px !important;
        height: 100% !important;
    }
    .related-products-grid .futuristic-img-wrap {
        height: clamp(115px, 28vw, 150px) !important;
        padding: 8px !important;
    }
    .related-products-grid .futuristic-img {
        max-height: 85px !important;
        max-width: 90% !important;
    }
    .related-products-grid .futuristic-badge {
        top: 8px !important;
        left: 8px !important;
        font-size: 0.58rem !important;
        padding: 2px 7px !important;
        border-radius: 12px !important;
    }
    .related-products-grid .futuristic-info {
        padding: 10px 8px 12px !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: space-between !important;
        flex-grow: 1 !important;
    }
    .related-products-grid .futuristic-title {
        font-size: 0.82rem !important;
        font-weight: 700 !important;
        margin-bottom: 6px !important;
        line-height: 1.25 !important;
        display: -webkit-box !important;
        -webkit-line-clamp: 2 !important;
        -webkit-box-orient: vertical !important;
        overflow: hidden !important;
    }
    .related-products-grid .futuristic-desc {
        display: none !important;
    }
    .related-products-grid .futuristic-btn {
        padding: 7px 6px !important;
        font-size: 0.72rem !important;
        font-weight: 700 !important;
        border-radius: 6px !important;
        margin-top: 6px !important;
        gap: 4px !important;
        text-align: center !important;
        justify-content: center !important;
    }
    .related-products-grid .btn-glow-arrow {
        font-size: 0.75rem !important;
    }

    /* Benefit Cards */
    .benefit-card {
        padding: 28px 20px !important;
        min-height: auto !important;
        background: linear-gradient(135deg, rgba(15, 23, 42, 0.97) 0%, rgba(15, 23, 42, 0.92) 100%) !important;
    }
    .benefit-card div[style*="display: flex; align-items: center; gap: 14px;"] {
        flex-direction: row !important;
        align-items: flex-start !important;
        gap: 10px !important;
    }
    .benefit-card span[style*="background: #ffffff;"] {
        font-size: 0.92rem !important;
        padding: 6px 12px !important;
        line-height: 1.3 !important;
        max-width: calc(100% - 50px) !important;
    }

    /* Why SETC Section Responsive */
    .setc-why-visual-col {
        margin-bottom: 24px !important;
    }
    .setc-why-img-card img {
        min-height: 240px !important;
        max-height: 340px !important;
    }
    .setc-float-pill {
        top: 12px !important;
        left: 12px !important;
        padding: 5px 12px !important;
        font-size: 0.7rem !important;
    }
    .setc-float-card {
        position: static !important;
        margin-top: 12px !important;
        max-width: 100% !important;
        box-shadow: 0 4px 15px rgba(15, 23, 42, 0.06) !important;
        padding: 12px 16px !important;
    }
    .setc-features-list {
        gap: 10px !important;
    }
    .setc-feature-item {
        padding: 10px 14px !important;
        gap: 10px !important;
    }
    .setc-stats-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 8px !important;
        margin-bottom: 22px !important;
    }
    .setc-stat-box {
        padding: 12px 6px !important;
        border-radius: 10px !important;
    }
    .setc-stat-num {
        font-size: clamp(1.35rem, 4.5vw, 1.7rem) !important;
    }
    .setc-stat-label {
        font-size: 0.65rem !important;
        margin-top: 4px !important;
    }
    .setc-why-cta-group {
        flex-direction: column !important;
        width: 100% !important;
        gap: 10px !important;
        align-items: stretch !important;
    }
    .setc-why-cta-group a {
        width: 100% !important;
        justify-content: center !important;
        text-align: center !important;
    }

    /* Testimonials Horizontal Carousel */
    div[style*="overflow-x: auto;"][class*="hide-scrollbar"] > div {
        flex: 0 0 calc(100vw - 64px) !important;
        min-width: 260px !important;
        padding: 22px 18px !important;
    }

    /* CTA Bands */
    .cta-band {
        padding: 40px 0 !important;
        text-align: center !important;
    }
    .cta-band-inner {
        flex-direction: column !important;
        text-align: center !important;
        gap: 22px !important;
    }
    .cta-band-inner div[style*="display: flex;"] {
        flex-direction: column !important;
        width: 100% !important;
        justify-content: center !important;
    }
    .cta-band-inner .btn-white {
        width: 100% !important;
        justify-content: center !important;
    }

    /* Four Pillars Grid */
    .lb-features-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    /* Forms Inputs: Set font-size to 16px to prevent iOS auto-zoom */
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="number"],
    input[type="search"],
    select,
    textarea {
        font-size: 16px !important;
        padding: 12px 14px !important;
        border-radius: 8px !important;
        width: 100% !important;
    }

    .zip-city-row {
        flex-direction: column !important;
        gap: 12px !important;
    }

    .contact-redesign-container {
        padding: 24px 16px !important;
        border-radius: 14px !important;
    }

    .contact-form-actions {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 14px !important;
    }
    .btn-send-redesign {
        width: 100% !important;
        text-align: center !important;
    }

    /* Single Product Technical Specifications Redesign on Mobile */
    .technical-specifications {
        margin-top: 32px !important;
    }
    .tech-spec-header-row {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        gap: 8px !important;
        margin-bottom: 20px !important;
        width: 100% !important;
    }
    .spec-section-badge {
        font-size: 0.7rem !important;
        padding: 4px 12px !important;
        margin-bottom: 4px !important;
    }
    .tech-spec-main-title {
        font-size: clamp(1.3rem, 5vw, 1.65rem) !important;
        justify-content: center !important;
        text-align: center !important;
        width: 100% !important;
        margin: 0 !important;
    }
    .tech-spec-badge-wrap {
        display: flex !important;
        justify-content: center !important;
        width: 100% !important;
    }
    .tech-spec-trust-pill {
        font-size: 0.74rem !important;
        padding: 4px 12px !important;
    }

    /* Horizontal Category Switcher Tabs on Mobile */
    .tech-spec-tab-bar {
        justify-content: flex-start !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        padding: 4px 2px 8px !important;
        margin-bottom: 16px !important;
        gap: 8px !important;
        -webkit-overflow-scrolling: touch !important;
        scrollbar-width: none !important;
        width: 100% !important;
    }
    .tech-spec-tab-bar::-webkit-scrollbar {
        display: none !important;
    }
    .spec-tab-btn {
        padding: 7px 14px !important;
        font-size: 0.76rem !important;
        white-space: nowrap !important;
        flex-shrink: 0 !important;
        border-radius: 20px !important;
    }
    .spec-tab-btn .tab-badge {
        font-size: 0.66rem !important;
        padding: 1px 6px !important;
    }

    /* Container & Title Bar */
    .tech-spec-container {
        border-radius: 12px !important;
        margin-bottom: 18px !important;
        border: 1.5px solid var(--border-color, #e2e8f0) !important;
        background: #ffffff !important;
        overflow: hidden !important;
        box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04) !important;
    }
    .tech-spec-title-bar {
        padding: 11px 14px !important;
        font-size: 0.92rem !important;
        gap: 10px !important;
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        text-align: left !important;
        background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%) !important;
        border-bottom: 1.5px solid #e2e8f0 !important;
    }
    .tech-spec-heading-wrap {
        font-size: 0.9rem !important;
        gap: 7px !important;
    }
    .spec-dot-indicator {
        width: 7px !important;
        height: 7px !important;
    }
    .spec-count-chip {
        font-size: 0.68rem !important;
        padding: 2px 8px !important;
        margin: 0 !important;
    }

    /* 2-Column Table Structure on Mobile */
    .table-responsive {
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
        width: 100% !important;
        overflow-x: auto !important;
    }
    .tech-spec-table {
        display: table !important;
        width: 100% !important;
        table-layout: fixed !important;
        border-collapse: collapse !important;
        margin: 0 !important;
    }
    .tech-spec-table tbody {
        display: table-row-group !important;
        width: 100% !important;
    }
    .tech-spec-table tr {
        display: table-row !important;
        width: 100% !important;
        border-bottom: 1px solid #f1f5f9 !important;
        background: transparent !important;
        padding: 0 !important;
    }
    .tech-spec-table tr:nth-child(even) {
        background-color: #fafbfd !important;
    }
    .tech-spec-table tr:last-child {
        border-bottom: none !important;
    }
    .tech-spec-table td {
        display: table-cell !important;
        box-sizing: border-box !important;
        vertical-align: middle !important;
    }
    .tech-spec-table td.spec-key {
        width: 42% !important;
        max-width: 42% !important;
        padding: 11px 12px !important;
        font-size: 0.8rem !important;
        font-weight: 600 !important;
        color: #475569 !important;
        background: #f8fafc !important;
        border-right: 1px solid #f1f5f9 !important;
        border-bottom: 1px solid #f1f5f9 !important;
        text-align: left !important;
        line-height: 1.35 !important;
        word-break: break-word !important;
        letter-spacing: normal !important;
        text-transform: none !important;
        margin: 0 !important;
    }
    .tech-spec-table td.spec-key::before {
        content: none !important;
        display: none !important;
    }
    .tech-spec-table td.spec-val,
    .tech-spec-table td:not(.spec-key) {
        width: 58% !important;
        padding: 11px 14px !important;
        font-size: 0.85rem !important;
        font-weight: 700 !important;
        color: #0f172a !important;
        border-bottom: 1px solid #f1f5f9 !important;
        border-right: none !important;
        line-height: 1.4 !important;
        text-align: left !important;
        word-break: break-word !important;
    }

    /* Custom Engineering Assistance Callout */
    .spec-custom-callout {
        padding: 16px 14px !important;
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        gap: 14px !important;
        border-radius: 12px !important;
        margin-top: 18px !important;
    }
    .callout-left {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        gap: 10px !important;
        min-width: 0 !important;
        width: 100% !important;
    }
    .callout-icon-wrap {
        width: 40px !important;
        height: 40px !important;
    }
    .callout-title {
        font-size: 0.92rem !important;
        text-align: center !important;
    }
    .callout-subtitle {
        font-size: 0.78rem !important;
        text-align: center !important;
    }
    .callout-actions {
        width: 100% !important;
    }
    .callout-btn {
        width: 100% !important;
        justify-content: center !important;
        padding: 10px 16px !important;
        font-size: 0.82rem !important;
    }

    /* Service Page Components */
    .page-hero-banner {
        padding: 38px 0 30px !important;
    }
    .page-hero-tag {
        font-size: 0.7rem !important;
        padding: 5px 12px !important;
        margin-bottom: 10px !important;
    }
    .page-hero-title {
        font-size: clamp(1.4rem, 5.5vw, 1.85rem) !important;
        line-height: 1.25 !important;
        margin-bottom: 10px !important;
    }
    .page-hero-desc {
        font-size: 0.88rem !important;
        line-height: 1.55 !important;
        margin-bottom: 16px !important;
    }
    .page-hero-pills {
        gap: 6px !important;
    }
    .page-hero-pill-item {
        font-size: 0.72rem !important;
        padding: 4px 10px !important;
    }
    .service-promise-banner .container {
        justify-content: flex-start !important;
        gap: 10px !important;
    }
    .service-promise-banner div[style*="display: flex; align-items: center;"] {
        font-size: 0.8rem !important;
    }
    .service-assurance-card {
        padding: 24px 18px !important;
    }
    .service-pillar-card {
        padding: 20px 16px !important;
        margin-bottom: 20px !important;
    }
    .industry-app-card {
        margin-bottom: 8px !important;
    }
    .industry-img-box {
        height: 190px !important;
        padding: 14px !important;
    }
    .industry-img-box img {
        max-height: 150px !important;
    }

    /* Product Page Header Buttons */
    .product-detail-actions,
    .product-detail-info div[style*="display: flex; gap: 15px;"],
    .product-detail-info div[style*="display: flex; gap: 12px;"] {
        flex-direction: column !important;
        width: 100% !important;
    }
    .product-detail-actions a,
    .product-detail-info div[style*="display: flex; gap: 15px;"] a,
    .product-detail-info div[style*="display: flex; gap: 12px;"] a {
        width: 100% !important;
        justify-content: center !important;
        text-align: center !important;
    }

    /* Trusted Leaders Bar on Mobile */
    .trusted-leaders-bar .container {
        flex-direction: column !important;
        justify-content: center !important;
        text-align: center !important;
        gap: 16px !important;
    }
    .trusted-leaders-bar div[style*="text-transform: uppercase;"] {
        width: 100% !important;
        text-align: center !important;
    }
    .trusted-leaders-bar div[style*="justify-content: center;"] {
        width: 100% !important;
        gap: 20px !important;
    }
    .trusted-leaders-bar .btn {
        width: 100% !important;
        justify-content: center !important;
    }

    /* Lightbox Modal on Mobile */
    #galleryLightbox {
        padding: 16px !important;
    }
    #galleryLightbox .close-btn {
        right: 14px !important;
        top: 14px !important;
        width: 40px !important;
        height: 40px !important;
        font-size: 24px !important;
    }
    #galleryLightbox button:nth-of-type(2) {
        left: 8px !important;
        width: 42px !important;
        height: 42px !important;
        font-size: 18px !important;
    }
    #galleryLightbox button:nth-of-type(3) {
        right: 8px !important;
        width: 42px !important;
        height: 42px !important;
        font-size: 18px !important;
    }
    #galleryLightbox img {
        max-height: 45vh !important;
        max-width: 90vw !important;
    }
    #lightboxTitle {
        font-size: 1.15rem !important;
    }
    #lightboxDesc {
        font-size: 0.82rem !important;
    }

    /* Single Blog Post Rich Content Images */
    .blog-article {
        padding: 24px 16px !important;
        border-radius: 12px !important;
    }
    .blog-rich-content figure {
        margin: 20px 0 !important;
        width: 100% !important;
        display: block !important;
        padding: 8px !important;
    }
    .blog-rich-content img {
        width: 100% !important;
        height: auto !important;
        max-width: 100% !important;
    }

    /* Footer on Mobile (Centered Contact & Brand Columns) */
    .site-footer {
        padding-top: 45px !important;
        text-align: center !important;
    }
    .footer-grid {
        grid-template-columns: 1fr !important;
        gap: 36px !important;
        text-align: center !important;
    }
    .footer-brand {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
    }
    .footer-brand img {
        margin: 0 auto 16px !important;
    }
    .footer-brand p {
        margin: 0 auto 20px !important;
        text-align: center !important;
    }
    .footer-brand div[style*="display: flex; gap: 10px;"] {
        justify-content: center !important;
        margin-left: auto !important;
        margin-right: auto !important;
    }
    .social-links-flex {
        justify-content: center !important;
    }
    .footer-links {
        text-align: center !important;
    }
    .footer-links h4 {
        text-align: center !important;
    }
    .footer-links ul {
        align-items: center !important;
        text-align: center !important;
    }
    .footer-links ul li a {
        display: inline-block !important;
        text-align: center !important;
    }
    .footer-contact {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
    }
    .footer-contact h4 {
        text-align: center !important;
        width: 100% !important;
    }
    .footer-contact div[style*="display: flex; flex-direction: column;"] {
        align-items: center !important;
        text-align: center !important;
        width: 100% !important;
    }
    .footer-contact div[style*="display: flex; gap: 12px;"] {
        justify-content: center !important;
        align-items: center !important;
        text-align: center !important;
        width: 100% !important;
    }
    .footer-contact div[style*="display: flex; gap: 12px;"] span,
    .footer-contact div[style*="display: flex; gap: 12px;"] a {
        text-align: center !important;
    }
    .footer-contact div[style*="display:flex; flex-direction:column; gap:3px;"] {
        align-items: center !important;
        text-align: center !important;
    }
    .footer-bottom .container {
        flex-direction: column !important;
        text-align: center !important;
        gap: 8px !important;
    }

    /* Floating WhatsApp Button on Mobile */
    .whatsapp-float {
        bottom: 20px !important;
        right: 16px !important;
        width: 52px !important;
        height: 52px !important;
    }
    .whatsapp-float .wa-icon svg {
        width: 28px !important;
        height: 28px !important;
    }
}

/* ============================================================================
   5. EXTRA SMALL SMARTPHONES (max-width: 480px)
   ============================================================================ */

@media (max-width: 480px) {
    .container {
        padding: 0 12px !important;
    }

    .btn {
        padding: 12px 20px !important;
        font-size: 0.88rem !important;
    }

    .btn-lg {
        padding: 13px 22px !important;
    }

    /* Hero Carousel on Extra Small */
    #hero-slider {
        min-height: 460px !important;
    }
    .hero-slide {
        padding: 20px 12px 35px !important;
    }

    /* Header logo */
    .logo img {
        height: 46px !important;
    }

    /* Company Motto section buttons */
    section[style*="background: linear-gradient(135deg, #0a1220 0%, #1a2a40 100%);"] div[style*="display: flex; gap: 20px;"] {
        flex-direction: column !important;
        gap: 12px !important;
        width: 100% !important;
    }
    section[style*="background: linear-gradient(135deg, #0a1220 0%, #1a2a40 100%);"] div[style*="display: flex; gap: 20px;"] a {
        width: 100% !important;
        justify-content: center !important;
    }

    /* 10 Branch network cards (About & Contact) */
    div[style*="grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));"],
    div[style*="grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));"] {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }
    div[style*="grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));"] > div,
    div[style*="grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));"] > div {
        padding: 14px 10px !important;
    }

    /* Service industries grid */
    div[style*="grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));"] {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }
    div[style*="grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));"] > a > div {
        padding: 18px 10px !important;
    }

    /* Legal pages content box */
    .legal-content {
        padding: 24px 16px !important;
    }

    /* Technical Specs on Extra Small */
    .tech-spec-container {
        border-radius: 10px !important;
        margin-bottom: 16px !important;
    }
    .tech-spec-title-bar {
        padding: 10px 12px !important;
        font-size: 0.88rem !important;
    }
    .tech-spec-table td.spec-key {
        font-size: 0.76rem !important;
        padding: 9px 10px !important;
        width: 44% !important;
    }
    .tech-spec-table td.spec-val,
    .tech-spec-table td:not(.spec-key) {
        font-size: 0.82rem !important;
        padding: 9px 11px !important;
        width: 56% !important;
    }
}

/* ============================================================================
   6. ULTRA NARROW SMARTPHONES (max-width: 360px)
   ============================================================================ */

@media (max-width: 360px) {
    .container {
        padding: 0 10px !important;
    }

    /* Why SETC Stats on 320px */
    div[style*="display: flex; gap: 30px; padding: 24px;"] {
        flex-direction: column !important;
        gap: 12px !important;
    }
    div[style*="display: flex; gap: 30px; padding: 24px;"] div[style*="width: 1px;"] {
        width: 100% !important;
        height: 1px !important;
    }

    /* 10 Branches on 320px */
    div[style*="grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));"],
    div[style*="grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));"] {
        grid-template-columns: 1fr !important;
    }

    .nav-links li > a {
        font-size: 0.92rem !important;
        padding: 12px 8px !important;
    }

    /* Recommended Coding Systems on 320px */
    .related-products-grid {
        gap: 6px !important;
    }
    .related-products-grid .futuristic-img-wrap {
        height: 105px !important;
    }
    .related-products-grid .futuristic-img {
        max-height: 75px !important;
    }
    .related-products-grid .futuristic-info {
        padding: 8px 6px 10px !important;
    }
    .related-products-grid .futuristic-title {
        font-size: 0.76rem !important;
    }
    .related-products-grid .futuristic-btn {
        font-size: 0.68rem !important;
        padding: 6px 4px !important;
    }
}