@media (max-width: 1180px) {
  .desktop-nav {
    gap: 14px;
  }

  .header-cta {
    display: none;
  }

  .hero-inner {
    grid-template-columns: minmax(0, .88fr) minmax(390px, 1.12fr);
    gap: 34px;
  }

  .hero-stage {
    min-height: 610px;
  }

  .stage-card {
    width: 190px;
  }

  .stage-core {
    top: 178px;
  }

  .trust-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .trust-grid > div:nth-child(3) {
    border-right: 0;
  }

  .trust-grid > div:nth-child(-n + 3) {
    border-bottom: 1px solid var(--dark-line);
  }

  .project-grid {
    grid-template-columns: minmax(0, .8fr) minmax(450px, 1.2fr);
    gap: 52px;
  }
}

@media (max-width: 1020px) {
  .header-shell {
    gap: 12px;
  }

  .desktop-nav {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }

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

  .mobile-nav {
    width: min(100%, calc(var(--wrap) + var(--gutter) * 2));
    margin-inline: auto;
    padding: 10px var(--gutter) 20px;
    display: none;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .mobile-nav.is-open {
    display: grid;
  }

  .mobile-nav a {
    min-height: 48px;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--paper);
    font-size: 13px;
    font-weight: 650;
  }

  .mobile-nav a:last-child {
    color: #fff;
    background: var(--ink);
  }

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

  .hero-copy {
    max-width: 820px;
  }

  .hero-stage {
    width: min(100%, 760px);
    margin-inline: auto;
  }

  .service-item {
    min-height: 500px;
  }

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

  .product-count {
    position: static;
    grid-template-columns: auto auto;
    align-items: end;
    justify-content: start;
    gap: 14px;
  }

  .product-count span {
    font-size: 88px;
  }

  .product-count small {
    margin-bottom: 10px;
  }

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

  .fde-process article:nth-child(3) {
    border-right: 0;
  }

  .fde-process article:nth-child(n + 4) {
    border-top: 1px solid var(--line);
  }

  .project-grid,
  .training-grid,
  .company-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .project-windows {
    min-height: 0;
  }

  .window-desktop {
    width: calc(100% - 70px);
    margin-left: 0;
  }

  .window-phone {
    right: 0;
    bottom: -32px;
  }

  .training-grid {
    gap: 42px;
  }

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

  .company-intro {
    max-width: 800px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 70px;
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .section-intro {
    max-width: 760px;
  }

  .hero {
    padding-top: 48px;
  }

	  .hero h1 {
	    font-size: clamp(40px, 10vw, 58px);
	  }

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

  .service-item {
    min-height: 0;
  }

  .fde-scene {
    min-height: 920px;
  }

  .fde-node {
    width: 34%;
  }

  .fn-1 {
    left: 4%;
  }

  .fn-2 {
    right: 4%;
  }

  .fn-3 {
    top: 43%;
    left: 3%;
  }

  .fn-4 {
    top: 43%;
    right: 3%;
  }

  .fn-5 {
    left: 12%;
  }

  .fde-core {
    top: 58%;
    width: min(420px, 56%);
  }

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

  .principle-grid article:nth-child(2) {
    border-right: 0;
  }

  .principle-grid article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .principle-grid article:nth-child(3) {
    padding-left: 0;
  }

  .company-facts {
    grid-template-columns: 1fr;
  }

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

  .footer-brand,
  .footer-links {
    justify-content: center;
  }

  .footer-legal {
    justify-self: center;
    text-align: center;
  }
}

@media (max-width: 720px) {
  :root {
    --gutter: 20px;
    --section-y: clamp(66px, 16vw, 92px);
  }

  .brand {
    min-width: 0;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .brand-copy strong {
    font-size: 14px;
  }

  .brand-copy span {
    max-width: 132px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .lang-switch {
    display: none;
  }

  .menu-toggle {
    padding: 8px 10px;
  }

  .hero-stage {
    min-height: 720px;
  }

  .stage-card {
    width: calc(50% - 8px);
    min-height: 138px;
  }

  .stage-field {
    top: 0;
    left: 0;
  }

  .stage-files {
    top: 42px;
    right: 0;
  }

  .stage-api {
    right: 0;
    bottom: 38px;
  }

  .stage-loop {
    bottom: 0;
    left: 0;
  }

  .stage-core {
    top: 218px;
    width: calc(100% - 18px);
  }

  .hero-next {
    margin-top: 36px;
  }

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

  .trust-grid > div:nth-child(2n) {
    border-right: 0;
  }

  .trust-grid > div:nth-child(-n + 4) {
    border-bottom: 1px solid var(--dark-line);
  }

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

  .product-scene {
    min-height: 190px;
  }

  .fde-process {
    grid-template-columns: 1fr 1fr;
  }

  .fde-process article {
    min-height: 170px;
    padding: 20px 16px 16px 0;
  }

  .fde-process article + article {
    padding-left: 16px;
  }

  .fde-process article:nth-child(2n) {
    border-right: 0;
  }

  .fde-process article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .fde-process article:nth-child(3) {
    padding-left: 0;
  }

  .fde-scene {
    min-height: 1180px;
  }

  .fde-lines {
    display: none;
  }

  .fde-node,
  .fde-core {
    position: static;
    width: auto;
    transform: none;
  }

  .fde-scene {
    padding: 16px;
    display: grid;
    gap: 12px;
    align-content: start;
  }

  .fde-core {
    order: -1;
    min-height: 250px;
  }

  .fde-node {
    min-height: 0;
  }

  .project-windows {
    display: grid;
    gap: 18px;
  }

  .window-desktop,
  .window-phone {
    position: static;
    width: 100%;
  }

  .window-body {
    grid-template-columns: 64px 1fr;
    gap: 10px;
  }

  .window-modules {
    grid-template-columns: 1fr;
  }

  .training-formats {
    grid-template-columns: 1fr;
  }

  .scene-timeline li {
    grid-template-columns: 54px 1fr;
    gap: 12px;
  }

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

  .principle-grid article,
  .principle-grid article + article {
    min-height: 0;
    padding: 24px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .principle-grid h3 {
    margin-top: 28px;
  }

  .contact-email {
    overflow-wrap: anywhere;
  }

  .qr-wrap {
    grid-template-columns: 1fr;
    justify-items: start;
  }
}

@media (max-width: 520px) {
  .header-shell {
    padding-inline: 16px;
  }

  .brand-copy span {
    display: none;
  }

  .mobile-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-inline: 16px;
  }

  .hero-actions,
  .project-actions,
  .contact-actions {
    display: grid;
  }

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

  .hero-stage {
    min-height: 790px;
  }

  .stage-card {
    width: 100%;
    position: static;
  }

  .hero-stage {
    display: grid;
    gap: 10px;
  }

  .stage-core {
    position: static;
    width: 100%;
    transform: none;
    order: -1;
  }

  .stage-field,
  .stage-files,
  .stage-api,
  .stage-loop {
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
  }

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

  .trust-grid > div {
    min-height: 114px;
    border-right: 0;
    border-bottom: 1px solid var(--dark-line);
  }

  .trust-grid > div:last-child {
    border-bottom: 0;
  }

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

  .scene-cards {
    flex-wrap: wrap;
  }

  .ps-card {
    width: 46%;
  }

  .ps-chip {
    margin-left: 0;
  }

  .scene-pipeline {
    align-items: flex-start;
    flex-direction: column;
  }

  .ps-rail {
    width: 1px;
    height: 30px;
    margin-left: 24px;
  }

  .project-windows {
    margin-top: 30px;
  }

  .window-chrome span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .window-body {
    grid-template-columns: 1fr;
  }

  .window-rail {
    display: none;
  }

  .fde-process {
    grid-template-columns: 1fr;
  }

  .fde-process article,
  .fde-process article + article {
    min-height: 0;
    padding: 20px 0;
    border-right: 0;
    border-top: 1px solid var(--line);
  }

  .fde-process h3 {
    margin-top: 22px;
  }

  .company-facts > div {
    min-height: 0;
  }
}

@media (max-width: 1020px) {
  .hero-stage {
    width: min(100%, 900px);
    min-height: 650px;
  }
}

@media (max-width: 900px) {
  .hero-copy {
    max-width: 780px;
  }

  .service-item,
  .service-item:nth-child(even) {
    min-height: 0;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto;
    gap: 22px;
  }

  .service-item .item-index,
  .service-item .item-body,
  .service-item .service-schematic,
  .service-item > a,
  .service-item:nth-child(even) .item-index,
  .service-item:nth-child(even) .item-body,
  .service-item:nth-child(even) .service-schematic,
  .service-item:nth-child(even) > a {
    grid-column: 1;
  }

  .service-item .item-index {
    grid-row: 1;
  }

  .service-item .item-body {
    grid-row: 2;
  }

  .service-item .service-schematic {
    grid-row: 3;
    min-height: 280px;
  }

  .service-item > a {
    grid-row: 4;
  }
}

@media (max-width: 720px) {
	  .hero h1 {
	    font-size: clamp(36px, 10vw, 52px);
	  }

	  .hero-subtitle {
	    font-size: clamp(20px, 5.6vw, 28px);
	  }

  .hero-stage {
    margin-top: 44px;
  }
}

@media (max-width: 520px) {
  .hero-copy {
    text-align: left;
  }

  .hero h1,
  .hero-subtitle,
  .hero-lead {
    margin-left: 0;
  }

  .hero-actions,
  .hero-meta {
    justify-content: flex-start;
  }
}

@media (max-width: 1020px) {
  .mobile-lang-switch {
    grid-column: 1 / -1;
    padding: 3px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 5px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--paper);
  }

  .mobile-lang-switch a {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
  }

  .mobile-lang-switch a[aria-current="page"] {
    color: #fff;
    background: var(--ink);
  }
}