@media (max-width: 1100px) {
    .header-inner {
        gap: 18px;
    }

    .brand img {
        width: 160px;
    }

    .main-nav > a,
    .nav-dropdown-toggle {
        padding-inline: 9px;
        font-size: 0.84rem;
    }

    .hero-grid {
        grid-template-columns: minmax(0, 1.08fr) minmax(310px, 0.72fr);
        gap: 28px;
    }

    .hero-visual::before {
        width: 340px;
        height: 340px;
    }

    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-showcase {
        grid-template-columns: repeat(2, 1fr);
    }

    .region-links {
        grid-template-columns: repeat(7, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1.2fr 0.8fr 1fr;
    }

    .footer-grid > div:last-child {
        grid-column: 1 / -1;
    }

    .footer-branches {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .topbar p {
        display: none;
    }

    .topbar-inner {
        justify-content: center;
    }

    .header-inner {
        min-height: 74px;
    }

    .header-cta {
        display: none;
    }

    .menu-toggle {
        display: grid;
        width: 44px;
        height: 44px;
        margin-left: auto;
        padding: 11px;
        place-content: center;
        gap: 5px;
        background: var(--slate-100);
        border: 0;
        border-radius: 10px;
        cursor: pointer;
    }

    .menu-toggle span:not(.sr-only) {
        display: block;
        width: 23px;
        height: 2px;
        background: var(--navy-900);
        border-radius: 999px;
        transition: 180ms ease;
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .main-nav {
        position: fixed;
        z-index: 100;
        top: 114px;
        right: 0;
        bottom: 0;
        left: 0;
        display: none;
        align-items: stretch;
        padding: 20px;
        overflow-y: auto;
        background: var(--white);
    }

    .main-nav.is-open {
        display: block;
    }

    .main-nav > a,
    .nav-dropdown-toggle {
        display: flex;
        width: 100%;
        min-height: 52px;
        justify-content: space-between;
        padding: 12px 16px;
        border-bottom: 1px solid var(--slate-200);
        border-radius: 0;
        font-size: 1rem;
    }

    .service-menu {
        position: static;
        display: none;
        width: 100%;
        padding: 12px 0 18px 14px;
        visibility: visible;
        opacity: 1;
        border: 0;
        border-radius: 0;
        box-shadow: none;
        transform: none;
    }

    .nav-dropdown:hover .service-menu,
    .nav-dropdown:focus-within .service-menu {
        display: none;
    }

    .nav-dropdown.is-open .service-menu,
    .nav-dropdown.is-open:hover .service-menu,
    .nav-dropdown.is-open:focus-within .service-menu {
        display: block;
    }

    .service-menu::before {
        display: none;
    }

    .service-menu-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero,
    .hero-slide {
        min-height: 760px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-copy {
        padding: 75px 0 0;
    }

    .hero-copy .eyebrow,
    .hero-actions {
        justify-content: center;
    }

    .hero-copy p {
        margin-inline: auto;
    }

    .hero-visual {
        min-height: 300px;
    }

    .hero-visual::before {
        width: 300px;
        height: 300px;
    }

    .hero-visual img {
        width: 340px;
    }

    .hero-spec {
        right: calc(50% - 250px);
        bottom: 35px;
    }

    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .trust-item:nth-child(2) {
        border-right: 0;
    }

    .trust-item:nth-child(-n + 2) {
        border-bottom: 1px solid var(--slate-200);
    }

    .split-layout,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .image-stage {
        min-height: 460px;
    }

    .page-intro-grid {
        grid-template-columns: 1fr 260px;
        gap: 28px;
    }

    .detail-banner {
        min-height: 460px;
    }

    .detail-banner::before {
        background: linear-gradient(90deg, rgba(5, 18, 30, 0.94) 0%, rgba(5, 18, 30, 0.76) 64%, rgba(5, 18, 30, 0.34) 100%);
    }

    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        position: static;
        grid-template-columns: repeat(2, 1fr);
    }

    .region-links {
        grid-template-columns: repeat(5, 1fr);
    }

    .branches-grid,
    .district-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .quote-cta-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .about-copy {
        columns: 1;
    }
}

@media (max-width: 640px) {
    body {
        font-size: 15px;
    }

    .container,
    .content-narrow {
        width: min(calc(100% - 28px), var(--container));
    }

    .topbar-actions {
        width: 100%;
        justify-content: space-between;
        gap: 10px;
    }

    .brand img {
        width: 148px;
    }

    .main-nav {
        top: 114px;
        padding-inline: 14px;
    }

    .service-menu-grid {
        grid-template-columns: 1fr;
    }

    .hero,
    .hero-slide {
        min-height: 780px;
    }

    .hero-copy {
        padding-top: 58px;
    }

    .hero-copy h1,
    .hero-copy h2 {
        font-size: clamp(2.25rem, 12vw, 3.3rem);
    }

    .hero-actions,
    .quote-actions {
        width: 100%;
        flex-direction: column;
    }

    .hero-actions .button,
    .quote-actions .button {
        width: 100%;
    }

    .hero-visual {
        min-height: 280px;
    }

    .hero-visual img {
        width: 280px;
    }

    .hero-visual::before {
        width: 250px;
        height: 250px;
    }

    .hero-spec {
        right: 0;
        bottom: 20px;
        width: 170px;
        padding: 11px 13px;
    }

    .hero-controls {
        bottom: 22px;
    }

    .trust-strip {
        margin-top: 0;
    }

    .trust-grid {
        grid-template-columns: 1fr;
        border-radius: 0 0 var(--radius-md) var(--radius-md);
    }

    .trust-item,
    .trust-item:nth-child(2) {
        border-right: 0;
        border-bottom: 1px solid var(--slate-200);
    }

    .trust-item:last-child {
        border-bottom: 0;
    }

    .section,
    .faq-section,
    .region-links-section {
        padding-block: 70px;
    }

    .service-grid,
    .product-showcase,
    .branches-grid,
    .district-list {
        grid-template-columns: 1fr;
    }

    .service-card {
        min-height: 220px;
    }

    .split-layout {
        gap: 35px;
    }

    .image-stage {
        min-height: 330px;
    }

    .image-stage img {
        right: 0;
        width: 100%;
    }

    .feature-list,
    .request-checklist {
        grid-template-columns: 1fr;
    }

    .page-intro {
        padding-block: 55px;
    }

    .page-intro-grid {
        grid-template-columns: 1fr;
    }

    .page-intro-image {
        width: min(76vw, 300px);
        margin-inline: auto;
    }

    .detail-banner {
        min-height: 430px;
    }

    .detail-banner::before {
        background: linear-gradient(90deg, rgba(5, 18, 30, 0.94) 0%, rgba(5, 18, 30, 0.82) 100%);
    }

    .detail-banner-inner {
        padding-block: 58px;
    }

    .detail-banner-copy h1 {
        font-size: clamp(2.1rem, 11vw, 3.3rem);
    }

    .detail-banner-copy p {
        font-size: 0.96rem;
        line-height: 1.7;
    }

    .article-layout {
        padding-block: 60px;
    }

    .article-sidebar {
        grid-template-columns: 1fr;
    }

    .quote-cta {
        padding-block: 14px;
    }

    .quote-cta-inner {
        min-height: 0;
        padding: 34px 24px;
        border-radius: var(--radius-md);
    }

    .faq-item summary {
        padding: 17px 50px 17px 17px;
        font-size: 0.9rem;
    }

    .faq-answer {
        padding: 0 17px 17px;
    }

    .region-links {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-panel,
    .request-card {
        padding: 27px 22px;
        border-radius: var(--radius-md);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .footer-grid > div:last-child {
        grid-column: auto;
    }

    .footer-branches {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
    }

}

@media (max-width: 390px) {
    .topbar-actions {
        font-size: 0.72rem;
    }

    .region-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .site-footer {
        padding-bottom: 105px;
    }

    .sticky-contact {
        display: flex;
    }

    .contact-btn {
        gap: 8px;
        padding: 16px 15px;
        font-size: 18px;
    }

    .btn-icon {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 480px) {
    .contact-btn {
        gap: 6px;
        padding: 14px 10px;
        font-size: 15px;
    }

    .btn-icon {
        width: 18px;
        height: 18px;
    }
}