@media (max-width: 1120px) {
  :root { --gutter: 32px; }
  .desktop-nav { gap: 16px; }
  .desktop-nav a { font-size: 12px; }
  .header-cta { display: none; }
  .hero-inner { grid-template-columns: minmax(320px, .8fr) minmax(520px, 1.2fr); gap: 32px; }
  .configurator { grid-template-columns: minmax(0, 1fr) 250px; }
  .footer-grid { grid-template-columns: 1.4fr .75fr .75fr 1fr; }
  .footer-social { grid-column: 4; }
}

@media (max-width: 1099px), (max-height: 699px) {
  .industry-sticky { height: auto; min-height: 0; padding-block: 88px 96px; }
  .industry-viewport { margin-top: 36px; padding-right: var(--gutter); overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
  .industry-viewport::-webkit-scrollbar { display: none; }
  .industry-track { transform: none !important; }
  .industry-slide { flex: 0 0 auto; scroll-snap-align: start; }
}

@media (max-width: 820px) {
  :root { --gutter: 22px; --header-h: 68px; }
  .site-header { grid-template-columns: 1fr auto; }
  .desktop-nav, .header-actions { display: none; }
  .menu-button { width: 42px; height: 42px; padding: 0; border: 1px solid var(--line); border-radius: 4px; display: grid; place-items: center; background: var(--white); color: var(--ink); }
  .mobile-nav { position: absolute; top: var(--header-h); left: 0; right: 0; max-height: calc(100svh - var(--header-h)); padding: 8px var(--gutter) 28px; display: grid; overflow-y: auto; overscroll-behavior: contain; background: rgba(255,255,255,.76); backdrop-filter: blur(24px) saturate(155%); -webkit-backdrop-filter: blur(24px) saturate(155%); border-bottom: 1px solid rgba(207,222,237,.78); box-shadow: 0 20px 44px rgba(26,56,88,.08); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: .2s ease; }
  .mobile-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .mobile-nav-link, .mobile-nav-group > [data-mobile-submenu-toggle] { width: 100%; min-height: 52px; padding: 0; border: 0; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; background: transparent; color: var(--ink); text-align: left; font-size: 14px; font-weight: 700; }
  .mobile-nav-group > [data-mobile-submenu-toggle] svg { width: 17px; height: 17px; transition: transform .2s ease; }
  .mobile-nav-group.is-open > [data-mobile-submenu-toggle] svg { transform: rotate(180deg); }
  .mobile-submenu { max-height: 0; overflow: hidden; background: var(--soft); transition: max-height .25s ease; }
  .mobile-nav-group.is-open .mobile-submenu { max-height: 240px; }
  .mobile-submenu a { min-height: 44px; padding: 0 16px; border-bottom: 1px solid #e8edf2; display: flex; align-items: center; color: #536277; font-size: 12px; }
  .language-picker-mobile { margin-top: 18px; }
  .language-picker-mobile > button { width: 100%; height: 46px; grid-template-columns: 18px 1fr 16px; text-align: left; }
  .language-picker-mobile .language-dropdown { position: static; width: 100%; max-height: 0; padding-block: 0; border-width: 0; overflow: hidden; box-shadow: none; opacity: 1; visibility: visible; transform: none; transition: max-height .25s ease, padding .25s ease, border-width .25s ease; }
  .language-picker.language-picker-mobile.is-open .language-dropdown { max-height: 230px; margin-top: 7px; padding: 7px; border-width: 1px; }
  .hero-inner { min-height: auto; padding-block: 54px 72px; display: flex; flex-direction: column; align-items: stretch; }
  .hero h1 { font-size: clamp(42px, 11vw, 64px); }
  .hero-copy > p { margin-top: 23px; font-size: 14px; }
  .hero-actions { margin-top: 28px; gap: 20px; }
  .hero-points { margin-top: 28px; font-size: 11px; }
  .configurator { min-height: 620px; grid-template-columns: 1fr; grid-template-rows: 1fr; }
  .hero-web3d-frame { width: 100%; }
  .configurator::before { height: 48px; padding: 0 48px; font-size: 11px; background-image: radial-gradient(circle at 18px 24px, #607080 0 4px, transparent 5px), radial-gradient(circle at 32px 24px, #607080 0 4px, transparent 5px), radial-gradient(circle at 46px 24px, #607080 0 4px, transparent 5px); }
  .configurator::after { top: 10px; right: 14px; width: 25px; height: 25px; font-size: 20px; }
  .hero-web3d-frame { top: 48px; height: calc(100% - 48px); min-height: 520px; }
  .configurator-panel { padding: 22px; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid > div, .metrics-grid > div:first-child { min-height: 112px; padding: 24px 20px; border-bottom: 1px solid var(--line); }
  .metrics-grid > div:nth-child(2) { border-right: 0; }
  .metrics-grid > div:nth-child(3) { border-bottom: 0; }
  .metrics-grid > div:nth-child(4) { border-right: 0; border-bottom: 0; }
  .section-heading, .industry-header, .clients-heading { display: block; }
  .section-heading h2, .industry-header h2, .center-heading h2 { font-size: clamp(30px, 7.8vw, 40px); }
  .section-heading p, .industry-header p, .center-heading p { margin-top: 13px; font-size: 14px; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-item { min-height: 230px; padding: 26px 20px; }
  .capability-item h3 { margin-top: 36px; font-size: 17px; }
  .capability-wide { grid-column: 1 / -1; grid-template-columns: 35px 1fr; gap: 16px; }
  .capability-wide a { grid-column: 2; }
  .industry-sticky { height: auto; min-height: 0; padding-block: 88px 96px; }
  .industry-controls { margin-top: 26px; justify-self: start; }
  .industry-viewport { margin-top: 36px; padding-left: var(--gutter); padding-right: var(--gutter); overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
  .industry-viewport::-webkit-scrollbar { display: none; }
  .industry-track { transform: none !important; }
  .industry-slide { width: calc(100vw - var(--gutter) * 2); height: 460px; }
  .industry-slide { flex: 0 0 auto; scroll-snap-align: start; }
  .case-row, .case-row-reverse { display: flex; flex-direction: column; gap: 34px; padding-block: 62px; }
  .case-row-reverse figure, .case-row-reverse > div { order: initial; }
  .case-row h3 { font-size: 27px; }
  .process-list { grid-template-columns: 1fr 1fr; }
  .process-list li:nth-child(2n) { border-right: 0; }
  .process-list li:nth-child(5) { grid-column: 1 / -1; border-right: 0; }
  .clients-heading h2 { font-size: 36px; }
  .clients-heading p { margin-top: 13px; }
  .logo-track span { width: 190px; font-size: 14px; }
  .article-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-grid { display: block; }
  .contact-form { margin-top: 54px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 44px 28px; }
  .footer-about { grid-column: 1 / -1; }
  .footer-social { grid-column: auto; }
  .footer-legal { min-height: 130px; grid-template-columns: 1fr auto; gap: 16px; padding-block: 20px; }
  .footer-legal nav { grid-column: 1 / -1; grid-row: 1; flex-wrap: wrap; gap: 12px 18px; }
  .footer-legal > span { grid-row: 2; }
  .footer-legal > a { grid-row: 2; }
  .floating-contact { right: 14px; top: 50%; bottom: auto; transform: translateY(-50%); }
  .nav-open .floating-contact { display: none; }
  .floating-contact-toggle { width: 52px; min-width: 52px; height: 52px; padding: 0; border-radius: 50%; }
}

@media (max-width: 480px) {
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 15px; }
  .hero-actions .button { width: 100%; }
  .hero-actions .text-button { min-height: 38px; }
  .configurator { min-height: 580px; }
  .configurator-stage { min-height: 320px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-wide { grid-column: auto; }
  .industry-slide { height: 520px; }
  .industry-copy { padding: 18px 20px 22px; }
  .industry-copy h3 { margin: 7px 0 5px; font-size: 22px; line-height: 1.28; }
  .industry-copy p { line-height: 1.6; }
  .process-list { grid-template-columns: 1fr; }
  .process-list li, .process-list li:nth-child(2n), .process-list li:nth-child(5) { grid-column: auto; border-right: 0; }
  .article-grid { grid-template-columns: 1fr; gap: 38px; }
  .article-content { padding-top: 20px; }
  .contact-form { grid-template-columns: 1fr; }
  .form-full { grid-column: 1; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-nav, .footer-contact, .footer-social { grid-column: auto; }
  .floating-contact-toggle span { display: none; }
  .floating-contact-toggle { width: 52px; grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  /* Keep the fixed contact control clear of long article headings on phones. */
  .floating-contact { top: auto; bottom: 18px; transform: none; }
}

@media (min-width: 821px) {
  /* Keep long English headings and descriptions inside the visible slide. */
  .industry-sticky { overflow: visible; }
  .industry-copy { padding-bottom: clamp(26px, 2.4vw, 38px); }
  .industry-copy h3 { line-height: 1.22; }
}