@media (max-width: 1180px) {
  :root {
    --header-height: 80px;
  }

  .site-header__inner {
    grid-template-columns: 142px 1fr auto;
    gap: 22px;
  }

  .brand img {
    width: 126px;
    max-height: 62px;
  }

  .desktop-nav {
    gap: 20px;
  }

  .header-actions {
    gap: 10px;
  }

  .hero-home__content {
    min-height: 570px;
  }

  .hero-home__copy {
    padding-inline: 34px;
  }

  .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capability:nth-child(2) {
    border-right: 1px solid rgb(255 255 255 / 28%);
  }

  .capability:nth-child(-n + 2) {
    border-bottom: 1px solid rgb(255 255 255 / 28%);
  }

  .quality-detail__grid article {
    grid-template-columns: 1fr 150px;
  }

  .site-footer__bottom {
    grid-template-columns: 130px 1fr;
    padding-block: 24px;
  }

  .site-footer__bottom > p {
    grid-column: 1 / -1;
    text-align: left;
  }
}

@media (max-width: 1024px) {
  .section-heading--split,
  .page-intro,
  .page-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.7fr);
    gap: 48px;
  }

  .hero-home__copy {
    grid-column: 1 / span 7;
  }

  .product-grid--four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px 24px;
  }

  .product-card__image {
    max-height: 420px;
  }

  .about-feature__grid,
  .medical-proof__grid,
  .custom-project__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
    gap: 48px;
  }

  .about-feature__image,
  .about-feature__image img {
    min-height: 460px;
  }

  .quality-section__grid {
    grid-template-columns: 1fr;
  }

  .quality-section__intro {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.75fr);
    gap: 16px 48px;
    align-items: end;
  }

  .quality-section__intro .eyebrow {
    grid-column: 1 / -1;
  }

  .quality-section__intro h2 {
    grid-column: 1;
  }

  .quality-section__intro > p:not(.eyebrow) {
    grid-column: 2;
    grid-row: 2;
    margin-top: 0;
  }

  .quality-section__intro .text-link {
    grid-column: 2;
    margin-top: 16px;
  }

  .certificate-card img {
    height: min(520px, 56vw);
  }

  .category-hero,
  .product-hero {
    gap: 48px;
  }

  .category-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .two-column-heading {
    gap: 56px;
  }

  .quality-detail__grid {
    grid-template-columns: 1fr;
  }

  .quality-detail__grid article {
    grid-template-columns: 1fr minmax(180px, 0.55fr);
  }

  .contact-layout {
    gap: 56px;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 72px;
    --gutter: clamp(18px, 5vw, 36px);
  }

  .site-header__inner {
    grid-template-columns: 132px 1fr;
  }

  .brand img {
    width: 118px;
    max-height: 56px;
  }

  .desktop-nav,
  .header-enquiry {
    display: none;
  }

  .header-actions {
    justify-content: flex-end;
  }

  .language-switch {
    display: inline-flex;
  }

  .menu-toggle {
    display: inline-grid;
  }

  .mobile-nav {
    position: fixed;
    z-index: 99;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: 0;
    display: block;
    overflow-y: auto;
    color: var(--white);
    background: var(--navy);
  }

  .js .mobile-nav {
    display: none;
  }

  .js .mobile-nav.is-open {
    display: block;
  }

  .mobile-nav .shell {
    display: grid;
    padding-block: 20px 48px;
  }

  .mobile-nav a {
    display: grid;
    min-height: 64px;
    grid-template-columns: 44px 1fr auto;
    align-items: center;
    border-bottom: 1px solid rgb(255 255 255 / 26%);
    color: var(--white);
    font-family: var(--display);
    font-size: clamp(1.35rem, 5vw, 2.1rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    text-decoration: none;
  }

  .mobile-nav a > span {
    color: #8bd9e9;
    font-family: var(--body);
    font-size: 0.66rem;
    letter-spacing: 0.1em;
  }

  .mobile-products__primary {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 64px;
    border-bottom: 1px solid rgb(255 255 255 / 26%);
  }

  .mobile-products__primary > a {
    border-bottom: 0;
  }

  .mobile-products__primary > button {
    position: relative;
    width: 64px;
    min-height: 64px;
    border: 0;
    border-left: 1px solid rgb(255 255 255 / 26%);
    color: var(--white);
    background: transparent;
    cursor: pointer;
  }

  .mobile-products__primary > button span::before,
  .mobile-products__primary > button span::after {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 1px;
    background: currentColor;
    content: "";
    translate: -50% -50%;
    transition: rotate 180ms ease;
  }

  .mobile-products__primary > button span::after {
    rotate: 90deg;
  }

  .mobile-products__primary > button[aria-expanded="true"] span::after {
    rotate: 0deg;
  }

  .mobile-products__categories {
    padding: 0 0 12px;
    border-bottom: 1px solid rgb(255 255 255 / 26%);
    background: rgb(255 255 255 / 5%);
  }

  .mobile-products__categories > a {
    display: flex;
    min-height: 76px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 5px;
    padding: 12px 14px;
    border-bottom-color: rgb(255 255 255 / 14%);
    font-size: 1rem;
    line-height: 1.2;
  }

  .mobile-products__categories > a:last-child {
    border-bottom: 0;
  }

  .mobile-products__categories > a small {
    color: #8bd9e9;
    font-family: var(--body);
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
  }

  .mobile-products__categories > a strong {
    max-width: 29ch;
    font-size: .95rem;
  }

  .mobile-nav a.mobile-nav__contact {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 24px;
    padding-inline: 16px;
    border: 1px solid #8bd9e9 !important;
    color: var(--white);
    font-family: var(--body) !important;
    font-size: 0.76rem !important;
    letter-spacing: 0.08em !important;
    text-transform: uppercase;
  }

  .mobile-nav a.mobile-nav__contact svg {
    justify-self: end;
  }

  .hero-home {
    padding-top: 0;
  }

  .hero-home__content {
    display: flex;
    min-height: 0;
    flex-direction: column;
    overflow: visible;
    border-bottom: 0;
  }

  .hero-home__copy {
    order: 1;
    padding: 72px 0 56px;
  }

  .hero-home__copy h1 {
    max-width: 11ch;
  }

  .hero-home__media {
    order: 2;
    aspect-ratio: 1920 / 920;
    border: 1px solid var(--line);
  }

  .hero-home__media > img {
    object-fit: contain;
  }

  .hero-home__media figcaption {
    min-width: 240px;
    padding: 12px 14px;
  }

  .hero-home > .metric-strip {
    margin-top: 24px;
  }

  .metric-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .metric:nth-child(odd) {
    border-left: 1px solid var(--line);
  }

  .metric:nth-child(even) {
    border-right: 1px solid var(--line);
  }

  .section-heading--split,
  .page-intro,
  .page-hero__grid {
    grid-template-columns: 1fr;
    gap: 28px;
    align-items: start;
  }

  .section-heading--split > p,
  .page-intro > p {
    max-width: 62ch;
  }

  .product-line-grid {
    grid-template-columns: 1fr;
    gap: 64px;
  }

  .product-line-card__visual {
    max-height: 570px;
  }

  .about-feature__grid,
  .medical-proof__grid,
  .custom-project__grid {
    grid-template-columns: 1fr;
  }

  .about-feature__image,
  .about-feature__image img {
    min-height: 0;
  }

  .about-feature__image {
    aspect-ratio: 3 / 2;
  }

  .capability-photo {
    aspect-ratio: 3 / 2;
  }

  .quality-section__intro {
    display: block;
  }

  .quality-section__intro > p:not(.eyebrow) {
    margin-top: 28px;
  }

  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer__top {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .site-footer__bottom {
    grid-template-columns: 1fr;
    gap: 22px;
    align-items: start;
    padding-block: 32px;
  }

  .site-footer__bottom nav {
    justify-content: flex-start;
  }

  .site-footer__bottom > p {
    grid-column: auto;
  }

  .page-intro,
  .page-hero__grid {
    padding-block: 64px;
  }

  .product-line-row {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .product-line-row__image,
  .product-line-row:nth-child(even) .product-line-row__image,
  .product-line-row__content,
  .product-line-row:nth-child(even) .product-line-row__content {
    grid-column: 1;
    grid-row: auto;
  }

  .category-hero,
  .product-hero {
    grid-template-columns: 1fr;
  }

  .category-hero__copy,
  .product-hero__copy {
    max-width: 680px;
  }

  .category-hero__visual,
  .product-hero__visual {
    width: 100%;
    max-width: 760px;
    margin-inline: auto;
  }

  .two-column-heading {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .workshop-gallery {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: minmax(360px, 1.2fr) minmax(220px, 0.8fr);
  }

  .workshop-gallery__large {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .process-list li {
    grid-template-columns: 48px minmax(200px, 0.8fr) minmax(0, 1.2fr);
    gap: 20px;
  }

  .news-list .article-card {
    grid-template-columns: minmax(240px, 0.85fr) minmax(0, 1.15fr);
    gap: 36px;
  }

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

  .series-matrix__scroll-note {
    display: block;
  }

  .series-matrix table {
    min-width: 1020px;
  }

  .contact-intro {
    max-width: 700px;
  }

  .article-hero__image {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 720px) {
  :root {
    --section-space: 72px;
  }

  body {
    font-size: 15px;
  }

  h1 {
    font-size: clamp(2.55rem, 12vw, 4rem);
  }

  h2 {
    font-size: clamp(2.05rem, 9vw, 3.2rem);
  }

  .eyebrow {
    margin-bottom: 20px;
  }

  .section-heading {
    margin-bottom: 40px;
  }

  .section-action {
    justify-content: flex-start;
    margin-top: 40px;
  }

  .hero-home__copy {
    padding-block: 56px 48px;
  }

  .hero-home__copy > p:not(.eyebrow) {
    margin-top: 22px;
  }

  .hero-home__media {
    min-height: 260px;
  }

  .hero-home__media > img {
    object-fit: contain;
    object-position: 68% center;
  }

  .hero-home__media figcaption {
    right: auto;
    left: 0;
    min-width: min(100%, 270px);
    border-right: 1px solid var(--line);
    border-left: 0;
  }

  .metric {
    min-height: 112px;
    padding: 20px 16px;
  }

  .product-line-card__body {
    grid-template-columns: 48px 1fr;
    gap: 14px;
  }

  .product-line-card__index {
    width: 40px;
    height: 40px;
  }

  .capability-grid {
    grid-template-columns: 1fr;
  }

  .capability,
  .capability:nth-child(2),
  .capability:last-child {
    min-height: 0;
    border-right: 1px solid rgb(255 255 255 / 28%);
    border-bottom: 1px solid rgb(255 255 255 / 28%);
  }

  .capability > span {
    margin-bottom: 28px;
  }

  .article-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .certificate-card img {
    height: 62vw;
  }

  .site-footer__bottom nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 20px;
  }

  .breadcrumb {
    padding-block: 14px;
  }

  .breadcrumb li {
    font-size: 0.64rem;
  }

  .category-index,
  .category-index--medical {
    grid-template-columns: 1fr;
  }

  .category-index li {
    min-height: 82px;
  }

  .category-index li > a {
    grid-template-columns: 34px minmax(0, 1fr);
    padding: 20px 16px;
  }

  .category-index em {
    display: none;
  }

  .category-directory {
    grid-template-columns: 1fr;
    margin-top: 64px;
  }

  .category-detail {
    min-height: 0;
    padding: 28px 20px;
  }

  .category-detail__heading {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 14px;
  }

  .category-detail > p,
  .category-detail__series {
    margin-left: 0;
    padding-left: 0;
  }

  .category-detail__action {
    margin-left: 0;
  }

  .series-comparison-compact {
    margin-top: 72px;
    padding-top: 64px;
  }

  .series-matrix {
    margin-right: 0;
  }

  .series-matrix table {
    min-width: 940px;
  }

  .series-matrix__col-series { width: 230px; }
  .series-matrix__col-structure { width: 130px; }
  .series-matrix__col-function { width: 160px; }
  .series-matrix__col-element { width: 120px; }
  .series-matrix__col-material { width: 120px; }
  .series-matrix__col-models { width: 90px; }
  .series-matrix__col-action { width: 90px; }

  .series-matrix tbody th,
  .series-matrix tbody td {
    height: 108px;
    padding: 12px;
    font-size: 0.76rem;
  }

  .series-matrix__identity {
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 10px;
  }

  .series-matrix__thumb {
    width: 74px;
    height: 74px;
  }

  .series-matrix__action span {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .product-hero__copy h1,
  .category-hero__copy h1,
  .contact-intro h1 {
    font-size: clamp(2.45rem, 11vw, 3.8rem);
  }

  .spec-list > div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .table-scroll-note {
    display: block;
  }

  .workshop-gallery {
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .workshop-gallery__large {
    grid-column: auto;
    grid-row: auto;
  }

  .workshop-gallery figure {
    aspect-ratio: 3 / 2;
  }

  .process-list li {
    grid-template-columns: 40px 1fr;
    gap: 12px 16px;
    align-items: start;
    padding-block: 24px;
  }

  .process-list li > p {
    grid-column: 2;
  }

  .quality-detail__grid article {
    grid-template-columns: 1fr 128px;
    gap: 14px 18px;
  }

  .news-list .article-card {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .form-heading {
    display: grid;
    gap: 8px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-grid__full {
    grid-column: auto;
  }

  .article-hero__meta {
    flex-wrap: wrap;
    gap: 10px 20px;
  }

  .article-body__content {
    font-size: 1rem;
  }
}

@media (max-width: 520px) {
  .site-header__inner {
    grid-template-columns: 112px 1fr;
  }

  .brand img {
    width: 104px;
  }

  .button-row,
  .button {
    width: 100%;
  }

  .button-row {
    display: grid;
  }

  .product-grid--four,
  .certificate-grid {
    grid-template-columns: 1fr;
  }

  .certificate-card img {
    height: 112vw;
    max-height: 520px;
  }

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

  .quality-detail__grid article > span,
  .quality-detail__grid article h3,
  .quality-detail__grid article p,
  .quality-detail__grid article img {
    grid-column: 1;
    grid-row: auto;
  }

  .quality-detail__grid article img {
    max-height: 420px;
  }

  .project-form {
    padding: 24px 18px;
  }

  .workshop-gallery figcaption {
    position: static;
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
  }

  .site-footer__bottom nav {
    grid-template-columns: 1fr;
  }
}

/* E visual-system rollout: shared split evidence hero */
@media (max-width: 900px) {
  .e-split-hero {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .e-split-hero__media {
    order: -1;
    aspect-ratio: 3 / 2;
  }

  .e-split-hero__copy {
    padding: 52px var(--gutter) 58px;
  }
}

@media (max-width: 520px) {
  .e-split-hero__copy {
    padding-block: 38px 46px;
  }

  .e-split-hero__copy h1 {
    font-size: clamp(2.45rem, 11vw, 3.2rem);
  }

  .e-split-hero__copy > p:not(.eyebrow) {
    margin-top: 20px;
    font-size: .92rem;
  }
}