@media screen and (max-width: 1199px) {
    :root {
        --h1: normal 600 48px/1.1 var(--first-font);
        --h2: normal 600 28px/1.1 var(--first-font);
        --h3: normal 600 26px/1.1 var(--first-font);
        --h4: normal 600 24px/1.1 var(--first-font);
        --h5: normal 600 20px/1.1 var(--first-font);
        --h6: normal 600 18px/1.1 var(--first-font);
    }

    .about-desc {
        font-size: 17px;
    }

    .about-content {
        padding-left: 0;
    }

    .section-title h2,
    .about-title,
    .how-works-title {
        font-size: 30px;
    }

    .why-choose-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px 20px;
    }
}

@media (max-width: 1024px) {
    .site-header {
        padding: 20px 0;
    }

    .brand-logo-wrap img {
        height: 72px;
    }

    .nav-menu {
        gap: 22px;
    }

    .nav-item {
        font-size: 16px;
    }

    .header-inner .btn {
        padding: 8px 20px;
        font-size: 0.9rem;
    }

    .hero-wrapper {
        padding-top: 30vh;
        padding-bottom: 18vh;
    }

    .hero-banner-image-layer img {
        object-position: 70% center;
    }

    .hero-text-area {
        max-width: 540px;
    }

    .hero-main-title {
        font-size: 42px;
        line-height: 1.2;
    }

    .hero-pagination {
        bottom: 20px !important;
    }
}

@media (max-width: 991px) {
    :root {
        --h1: normal 600 45px/1.1 var(--first-font);
        --h2: normal 600 26px/1.1 var(--first-font);
        --h3: normal 600 24px/1.1 var(--first-font);
        --h4: normal 600 22px/1.1 var(--first-font);
        --h5: normal 600 18px/1.1 var(--first-font);
        --h6: normal 600 16px/1.1 var(--first-font);
        --common-text: normal 400 14px/1.3 var(--first-font);
    }

    .section-title h2,
    .about-title,
    .how-works-title {
        font-size: 26px;
        line-height: 1.25;
    }

    .btn {
        padding: 10px 15px;
    }

    .site-header {
        padding: 16px 0;
    }

    .site-header.scrolled {
        padding: 12px 0;
    }

    .brand-logo-wrap img {
        height: 60px;
    }

    .site-header.scrolled .brand-logo-wrap img {
        height: 46px;
    }

    .mobile-toggle {
        display: flex;
    }

    .pb {
        padding-bottom: 40px;
    }

    .pt {
        padding-top: 40px;
    }

    /* Offcanvas Mobile Sidebar Drawer */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -360px;
        width: 320px;
        max-width: 85vw;
        height: 100vh;
        background: #040d1e;
        flex-direction: column;
        align-items: stretch;
        padding: 24px 28px 40px;
        gap: 0;
        z-index: 1001;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.9);
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
        transition: right 0.35s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.3s ease, visibility 0.35s ease;
        overflow-y: auto;
        display: flex;
    }

    .nav-menu.active {
        right: 0;
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
    }

    .sidebar-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-bottom: 18px;
        margin-bottom: 16px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    }

    .sidebar-title {
        font-size: 1.2rem;
        font-weight: 800;
        color: #ffffff;
        letter-spacing: 0.05em;
        text-transform: uppercase;
        font-family: var(--font-serif);
    }

    .sidebar-close-btn {
        font-size: 2.2rem;
        color: #ffffff;
        line-height: 1;
        cursor: pointer;
        background: none;
        border: none;
        padding: 0 4px;
        transition: opacity 0.2s ease, transform 0.2s ease, color 0.2s ease;
    }

    .sidebar-close-btn:hover {
        color: var(--color-gold);
        transform: scale(1.15);
    }

    .nav-item {
        font-size: 1.1rem;
        font-weight: 600;
        padding: 16px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        width: 100%;
        color: #ffffff;
        display: block;
        transition: color 0.2s ease, padding-left 0.2s ease;
    }

    .nav-item:hover {
        color: var(--color-gold);
        padding-left: 8px;
    }

    .nav-item.active::after {
        display: none;
    }

    .nav-item.active {
        color: var(--color-gold);
        font-weight: 700;
    }

    .sidebar-action {
        margin-top: 28px;
    }

    .sidebar-action .btn {
        width: 100%;
        padding: 12px;
    }

    /* Product Section Responsive */

    .products-nav-btn {
        width: 38px;
        height: 38px;
    }

    .products-prev {
        left: -10px;
    }

    .products-next {
        right: -10px;
    }

    /* Scale Advantage Responsive */
    .scale-advantage-section .section-title {
        margin-bottom: 32px;
    }

    .scale-advantage-section .section-title h2 {
        font-size: 28px;
    }

    .scale-stats-grid {
        gap: 36px;
    }

    .scale-stat-number {
        font-size: 32px;
    }

    .scale-stat-label {
        font-size: 16px;
    }

    .scale-stat-icon-wrap {
        width: 66px;
        height: 66px;
        margin-bottom: 14px;
    }

    /* About Section Responsive */
    .about-content {
        padding-left: 0;
        margin-top: 30px;
    }

    .about-title {
        font-size: 26px;
        margin-bottom: 14px;
    }

    .about-desc {
        font-size: 15px;
        margin-bottom: 20px;
        max-width: 100%;
    }

    /* How Auction Works Responsive */
    .how-works-grid {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }

    .how-works-step {
        flex: 0 0 22%;
        min-width: 135px;
    }

    .how-works-line-track {
        display: none;
    }

    .step-icon-badge {
        width: 76px;
        height: 76px;
        margin-bottom: 14px;
    }

    .step-icon-badge svg {
        width: 36px;
        height: 36px;
    }

    .step-label {
        font-size: 12px;
    }
    .youtube-banner-img1 {
        width: 250px;
        height: 250px;
    }

}



@media (max-width: 768px) {
    .how-works-title {
        font-size: 24px;
    }

    .how-works-step {
        flex: 0 0 25%;
        min-width: 120px;
    }

    .step-icon-badge {
        width: 68px;
        height: 68px;
        margin-bottom: 10px;
    }

    .step-icon-badge svg {
        width: 32px;
        height: 32px;
    }

    .step-number {
        width: 24px;
        height: 24px;
        font-size: 12px;
        margin-bottom: 8px;
    }

    .brand-logo-wrap img {
        height: 48px;
    }

    .hero-main-title {
        font-size: 33px;
    }

    .section-title h2,
    .about-title,
    .how-works-title,
    .scale-advantage-section .section-title h2 {
        font-size: 24px;
        line-height: 1.25;
    }

    .about-desc {
        font-size: 14px;
        line-height: 1.6;
    }

    .scale-advantage-section .section-title {
        margin-bottom: 28px;
    }

    .scale-stats-grid {
        flex-direction: column;
        gap: 28px;
    }

    .scale-stat-divider {
        display: none;
    }

    .scale-stat-number {
        font-size: 28px;
        margin-bottom: 6px;
    }

    .scale-stat-label {
        font-size: 15px;
    }

    .about-content {
        margin-top: 15px;
    }


    .video-modal-window {
        max-width: 95%;
        border-radius: 12px;
    }

    .video-modal-close {
        top: -38px;
        width: 32px;
        height: 32px;
        font-size: 20px;
    }

    /* Footer Tablet Responsive */
    .site-footer {
        padding-top: 45px;
    }

    .footer-main-row {
        row-gap: 30px;
    }

    .footer-phone-number {
        font-size: 22px;
    }

    .footer-company-name {
        font-size: 18px;
    }
}

@media (max-width: 767px) {
    .why-choose-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 26px 16px;
    }

    .why-choose-icon-badge {
        width: 64px;
        height: 64px;
        min-width: 64px;
    }

    .why-choose-icon-badge svg {
        width: 36px;
        height: 36px;
    }

    .why-choose-card-label {
        font-size: 12px;
    }

    .footer-col:last-child {
        margin-bottom: 0;
    }

    .footer-contact-item {
        gap: 16px;
    }

    .footer-phone-number {
        font-size: 21px;
    }
}

@media (max-width: 575px) {
    :root {
        --h1: normal 600 30px/1.1 var(--first-font);
        --h2: normal 600 22px/1.1 var(--first-font);
        --h3: normal 600 20px/1.1 var(--first-font);
        --h4: normal 600 18px/1.1 var(--first-font);
    }

    .site-header {
        padding: 12px 0;
    }

    .site-header.scrolled {
        padding: 8px 0;
    }

    .brand-logo-wrap img {
        height: 40px;
    }

    .mobile-toggle {
        width: 38px;
        height: 38px;
    }

    .mobile-toggle svg {
        width: 20px;
        height: 20px;
    }

    .hero-wrapper {
        padding-top: 22vh;
        padding-bottom: 16vh;
    }

    .hero-main-title {
        font-size: 24px;
    }

    .hero-pagination {
        bottom: 14px !important;
        gap: 6px;
    }

    .hero-pagination .page-dot {
        width: 7px;
        height: 7px;
    }

    .hero-banner-image-layer img {
        object-position: 100%;
    }

    /* Product Section Small Mobile */
    .section-title h2,
    .about-title,
    .how-works-title,
    .scale-advantage-section .section-title h2 {
        font-size: 20px;
        line-height: 1.3;
        margin-bottom: 8px;
    }

    .products-tagline {
        font-size: 13px;
    }

    .product-card-img-wrap {
        padding-top: 85%;
    }

    .products-nav-btn {
        width: 30px;
        height: 30px;
    }

    .products-nav-btn svg {
        width: 14px;
        height: 14px;
    }

    .products-slider-container {
        padding: 0 15px;
    }

    /* Offcanvas Drawer for Small Mobile */
    .nav-menu {
        width: 280px;
        padding: 20px 20px 32px;
    }

    .sidebar-header {
        padding-bottom: 14px;
        margin-bottom: 12px;
    }

    .sidebar-title {
        font-size: 1.05rem;
    }

    .sidebar-close-btn {
        font-size: 1.9rem;
    }

    .nav-item {
        font-size: 1rem;
        padding: 13px 0;
    }

    .sidebar-action {
        margin-top: 22px;
    }

    .how-works-step {
        flex: 0 0 45%;
    }

    .why-choose-icon-badge {
        width: 56px;
        height: 56px;
        min-width: 56px;
        margin-bottom: 12px;
    }

    .why-choose-icon-badge svg {
        width: 30px;
        height: 30px;
    }


    .org-logo-card {
        height: 65px;
        padding: 4px 6px;
    }

    .org-logo-card img,
    .org-logo-card svg {
        max-height: 52px;
    }

    /* Modal Adjustments */
    .modal-window {
        padding: 24px 18px;
        border-radius: 10px;
    }

    .modal-title {
        font-size: 1.25rem;
        margin-bottom: 8px;
    }

    .modal-desc {
        font-size: 0.85rem;
        margin-bottom: 16px;
    }

    .modal-form-group {
        margin-bottom: 12px;
    }

    .youtube-banner-card {
        padding-top: 50%;
    }

    /* Footer Mobile Responsive */
    .site-footer {
        padding-top: 36px;
        padding-bottom: 20px;
    }

    .footer-main-row {
        gap: 28px;
    }

    .footer-icon-badge {
        width: 50px;
        height: 50px;
        min-width: 50px;
    }

    .footer-icon-badge svg {
        width: 24px;
        height: 24px;
    }

    .footer-phone-number {
        font-size: 20px;
    }

    .footer-address-details {
        font-size: 12px;
    }

    .footer-block-title {
        margin-bottom: 10px;
        font-size: 18px;
    }

    .footer-company-name {
        font-size: 16px;
    }

    .footer-bottom-bar {
        margin-top: 15px;
        padding-top: 0;
    }
}