@media (max-width: 991.98px) {
    .sub-bar-nav {
        gap: 15px;
    }
    .sub-bar-nav a {
        font-size: 14px;
    }
    .sub-bar-container {
        background: linear-gradient(to right, 
            var(--subbar-part1-bg) 40%, 
            var(--subbar-part2-bg) 40%, 
            var(--subbar-part2-bg) 100%);
    }
    .sub-bar-part1 { flex: 0 0 40%; }
    .sub-bar-part2 { flex: 0 0 60%; }
    .sub-bar-part3 { display: none; }

    .sec-footer-container {
        flex-direction: column;
        gap: 0;
    }
    .sec-footer-col {
        min-width: 100%;
        padding: 40px 20px; /* optional, to keep spacing */
    }

    .sec-footer-col-1 {
        background-color: var(--footer-sec-1-bg);
    }
    .sec-footer-col-2 {
        background-color: var(--footer-sec-2-bg);
    }
    .sec-footer-col-3 {
        background-color: var(--footer-sec-1-bg);
    }
    .sec-footer-col-4 {
        background-color: var(--footer-sec-2-bg); /* optional if you want a color for contact */
    }

    /* Remove gradient on mobile */
    .sec-footer {
        background: none;
    }

    .content-section-image {
        min-height: 300px;
    }
    
    .content-section-content {
        padding: 30px;
    }
}

/* Mobile */
@media (max-width: 767.98px) {
    .specification-content {
        padding: 0 20px 20px;
    }
    
    .specification-label {
        min-width: 140px;
    }
    
    .content-section-image {
        min-height: 250px;
    }
    
    .content-section-content {
        padding: 25px 20px;
    }
    
    .content-section-heading {
        font-size: 1.8rem;
    }

    .sub-bar-container {
        background: linear-gradient(to right, var(--subbar-part1-bg) 50%, var(--subbar-part2-bg) 50%);
    }
    .sub-bar-part1 { flex: 0 0 50%; }
    .sub-bar-part2 { flex: 0 0 50%; justify-content: flex-end; padding-right: 20px; }
    .sub-bar-part3 { display: none; }

    .sub-bar-nav {
        position: fixed;
        top: 0;
        left: 0;
        transform: translateX(-100%);
        height: 100%;
        width: 280px;
        background: #fff;
        flex-direction: column;
        padding: 20px;
        transition: transform 0.35s ease;
        overflow-y: auto;
        gap: 0;
        z-index: 2100;
        box-shadow: 2px 0 12px rgba(0,0,0,0.12);
    }

    .sub-bar-nav.active { transform: translateX(0); }
    .sub-bar-nav li { margin: 10px 0; }

    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.42);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.25s ease, visibility 0s linear 0.25s;
        z-index: 2000;
    }

    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
        transition-delay: 0s;
    }

    /* Accordion submenu */
    .sub-bar-nav .sub-bar-dropdown {
        position: static;
        display: none;
        background: transparent;
        box-shadow: none;
        border-left: 3px solid #dc3545;
        margin-top: 8px;
        padding: 8px 0 8px 12px;
    }

    .sub-bar-nav li.active > .sub-bar-dropdown { display: block; }
    .sub-bar-nav li { margin: 8px 0; }

    /* Show hamburger */
    .sub-bar-toggle { display: block; }

    .slider-box-slide {
        height: auto;
        min-height: 300px; /* fallback height */
        padding: 60px 20px;
    }
    .slider-box-title {
        font-size: 32px;
    }
    .slider-box-desc {
        font-size: 14px;
    }

    .sec-ad-left, .sec-ad-right { flex: 0 0 100%; text-align: center; margin: 10px 0; }
    .sec-ad-section { padding: 50px 20px; }

    .sec-footer-copyright-container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .category-card {
        margin-bottom: 20px;
    }
}

/* Extra small phones */
@media (max-width: 575.98px) {
    .sub-bar-part1 { flex: 0 0 70%; justify-content: center; padding: 10px; }
    .sub-bar-part2 { flex: 0 0 30%; }
    .topbar-contact { display: none; gap: 20px; }
    .topbar-content { justify-content: center; }

    .sub-bar-logo img { max-width: 75%; height: auto; }
    .slider-box-title {  font-size: 25px; }

    #sec-about { padding: 50px 0; }

    .section-about-r-heading { font-size: 25px; }
    .sec-core-section { padding: 50px 0 20px 0; }
}

@media screen 
  and (min-device-width: 1200px) 
  and (max-device-width: 1600px) 
  and (-webkit-min-device-pixel-ratio: 1) { 
    .sec-footer {
        background-image: 
            url('../media/home/footer.png'),
            linear-gradient(
                to right,
                var(--footer-sec-1-bg) 0%, 
                var(--footer-sec-1-bg) 25%, 
                var(--footer-sec-2-bg) 25%, 
                var(--footer-sec-2-bg) 70%, 
                var(--footer-sec-1-bg) 70%, 
                var(--footer-sec-1-bg) 100%
            );
    }
}