/* Root specificity keeps these layouts stable when scene styles load lazily. */
/* Product browsing: a stable category rail with the products beside it. */
#blueprint-archive-title {
  scroll-margin-top: 110px;
}
:root .dark-edition .primeo-models-section {
  display: grid;
  overflow: clip;
  grid-template-columns: 224px minmax(0, 1fr);
  gap: 36px 40px;
  padding: 88px clamp(24px, 5.5vw, 108px);
}
:root .dark-edition .primeo-models-heading {
  grid-column: 1 / -1;
  margin: 0 0 16px;
  gap: 48px;
}
:root .dark-edition .primeo-models-heading h2 {
  font-size: clamp(40px, 4.2vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.035em;
}
:root .dark-edition .primeo-models-summary strong {
  display: inline;
  font-size: 20px;
}
:root .dark-edition .primeo-models-summary > span {
  display: inline;
  margin-left: 6px;
  font-size: 15px;
  color: #b4c6ce;
}
:root .dark-edition .primeo-models-summary p {
  font-size: 15px;
  line-height: 1.65;
  max-width: 46ch;
}
:root .dark-edition .model-filter-bar {
  grid-column: 1;
  grid-row: 2 / span 2;
  position: sticky;
  top: 104px;
  align-self: start;
  display: block;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  box-shadow: none;
}
:root .dark-edition .model-filter-instruction {
  justify-content: flex-start;
  margin: 0 0 20px;
}
:root .dark-edition .model-filter-instruction strong {
  font-size: 18px;
  line-height: 1.4;
  font-weight: 500;
}
:root .dark-edition .model-filter-instruction small {
  display: none;
}
:root .dark-edition .model-filter-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  width: 100%;
}
:root .dark-edition .model-filter-options button {
  min-width: 0;
  width: 100%;
  min-height: 70px;
  padding: 15px 14px;
  margin: 0;
  border: 0;
  border-bottom: 1px solid #a8c9d225;
  border-radius: 0;
  background: transparent;
  text-align: left;
  box-shadow: none;
  font-size: 15px;
  line-height: 1.4;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #b4c6ce;
}
:root .dark-edition .model-filter-options button.is-active {
  background: #1b3540;
  color: #eff7f8;
  box-shadow: none;
}
:root .dark-edition .model-filter-options button small {
  display: block;
  font-size: 12px;
  line-height: 1.5;
  margin-top: 4px;
  letter-spacing: 0;
  text-transform: none;
  color: #aac1cb;
}
:root .dark-edition .model-filter-options button > svg,
:root .dark-edition .model-filter-selected {
  flex-shrink: 0;
}
:root .dark-edition .model-filter-bar > small {
  display: block;
  text-align: left;
  margin: 20px 0 0;
  padding: 0 14px;
  font-size: 12px;
  line-height: 1.6;
  color: #aac1cb;
}
.model-category-picker,
.assembly-picker {
  display: none;
}
:root .dark-edition .model-category-context {
  grid-column: 2;
  grid-row: 2;
  display: grid;
  gap: 24px;
  padding: 0 0 32px;
  border-bottom: 1px solid #a8c9d22b;
}
:root .dark-edition .model-category-context > div > span {
  color: #bfdce6;
  font-size: 15px;
  line-height: 1.5;
}
:root .dark-edition .model-category-context h3 {
  margin: 12px 0 16px;
  max-width: 26ch;
  color: #edf3f4;
  font-size: clamp(28px, 2.8vw, 40px);
  font-weight: 420;
  line-height: 1.16;
  letter-spacing: -0.025em;
}
:root .dark-edition .model-category-context p {
  max-width: 72ch;
  margin: 0;
  color: #b4c6ce;
  font-size: 15px;
  line-height: 1.7;
}
:root .dark-edition .model-category-actions {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 12px 24px;
}
:root .dark-edition .model-category-actions a {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 8px 0;
  color: #d1e6ed;
  font-size: 13px;
  line-height: 1.5;
  text-decoration: none;
}
:root .dark-edition .model-category-actions a small {
  display: block;
  font-size: 12px;
  color: #a0b8c2;
}
:root .dark-edition .model-category-actions .model-category-contact {
  margin-left: auto;
  color: #d1e6ed;
}
:root .dark-edition .primeo-model-grid {
  grid-column: 2;
  grid-row: 3;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px 24px;
  margin: 0;
  align-items: start;
}
:root .dark-edition .primeo-model-card {
  min-width: 0;
  border: 1px solid #a8c9d225;
  background: #0b171d;
  border-radius: 0;
  box-shadow: none;
}
:root .dark-edition .primeo-models-section .model-card-visual {
  aspect-ratio: 4 / 3;
  min-height: 0;
  height: auto;
}
:root .dark-edition .primeo-models-section .model-image-button {
  width: 100%;
  height: 100%;
  padding: 20px;
}
:root .dark-edition .primeo-models-section .model-card-visual img {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: contain;
}
:root .dark-edition .model-card-copy {
  padding: 24px;
}
:root .dark-edition .model-card-copy h3 {
  font-size: clamp(24px, 2vw, 30px);
  line-height: 1.16;
  letter-spacing: -0.025em;
  margin: 14px 0;
}
:root .dark-edition .model-card-copy > p {
  font-size: 15px;
  line-height: 1.5;
}
:root .dark-edition .model-range-details summary,
:root .dark-edition .model-card-copy .model-spec-link {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
  line-height: 1.5;
}
:root .dark-edition .model-range-list li {
  overflow-wrap: anywhere;
  font-size: 14px;
}
:root .dark-edition .model-catalogue-note {
  grid-column: 2;
  grid-row: 4;
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
}
:root .dark-edition .model-filter-options button:focus-visible,
:root .dark-edition .model-category-actions a:focus-visible,
:root .dark-edition .project-route-views a:focus-visible,
:root .dark-edition .model-category-picker select:focus-visible,
:root .dark-edition .assembly-picker select:focus-visible {
  outline: 2px solid #b7dce8;
  outline-offset: 3px;
}

/* Each portfolio project offers the same two views. */
:root .dark-edition .project-blueprint-copy > a {
  display: none;
}
.project-route-card {
  min-height: 0;
  grid-template-rows: minmax(0, 1fr) auto;
}
.project-route-card::after {
  display: none;
}
.project-route-card-main {
  position: relative;
  display: grid;
  min-height: clamp(340px, 34vw, 480px);
  color: inherit;
  text-decoration: none;
  isolation: isolate;
}
.project-route-card-main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #03101600 30%, #031016f5 100%);
  z-index: 1;
  pointer-events: none;
}
.project-route-views {
  display: grid;
  grid-template-columns: 1fr 1fr;
  z-index: 2;
  border-top: 1px solid #a8c9d22b;
  background: #0c1a21;
}
.project-route-views a {
  min-height: 54px;
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #d1e6ed;
  font-size: 14px;
  text-decoration: none;
}
.project-route-views a + a {
  border-left: 1px solid #a8c9d22b;
}
.project-route-views a:hover {
  background: #1b3540;
}
:root .dark-edition .blueprint-segmented-control button {
  min-height: 48px;
  padding: 0 20px;
  font-size: 14px;
  line-height: 1.4;
  letter-spacing: 0;
  text-transform: none;
  color: #b4c6ce;
}
:root .dark-edition .blueprint-viewer-toolbar {
  display: flex;
}
:root .dark-edition .blueprint-drawing-controls a {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

@media (min-width: 1600px) {
  :root .dark-edition .primeo-model-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  :root .dark-edition {
    --space-gutter: 24px;
    --space-section: 68px;
    --space-heading-module: 32px;
  }
  :root .dark-edition .site-header {
    left: max(16px, env(safe-area-inset-left));
    right: max(16px, env(safe-area-inset-right));
    top: max(12px, env(safe-area-inset-top));
    min-height: 64px;
    padding: 9px 14px;
    border-radius: 16px;
  }
  :root .dark-edition .site-header nav.primary-nav {
    padding: 12px 20px;
    max-height: calc(100dvh - 112px);
  }
  :root .dark-edition .site-header nav.primary-nav > a,
  :root .dark-edition .site-header .nav-dropdown-trigger {
    font-size: 16px;
    min-height: 54px;
    letter-spacing: 0.03em;
  }
  :root .dark-edition .site-header nav.primary-nav .nav-dropdown-panel a {
    min-height: 52px;
    padding: 12px;
    font-size: 14px;
    line-height: 1.5;
  }
  :root .dark-edition .nav-dropdown-panel,
  :root .dark-edition .nav-dropdown-panel-inner {
    min-width: 0;
    max-width: 100%;
  }

  /* Portrait page openings: photograph, title, copy and action in normal flow. */
  :root .dark-edition .interior-hero {
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: 0 0 32px;
    overflow: hidden;
  }
  :root .dark-edition .interior-hero-media {
    position: relative;
    inset: auto;
    height: clamp(280px, 58vw, 440px);
    width: 100%;
    order: 0;
  }
  :root .dark-edition .interior-hero-media img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    transform: none;
  }
  :root .dark-edition .interior-hero-scrim {
    inset: 0 0 auto;
    height: clamp(280px, 58vw, 440px);
    background: linear-gradient(180deg, #030a10a6, #030a1000 48%, #061016 100%);
  }
  :root .dark-edition .interior-hero-grid,
  :root .dark-edition .interior-hero-coordinate {
    display: none;
  }
  :root .dark-edition .interior-hero-copy {
    position: relative;
    inset: auto;
    order: 1;
    margin: -20px 0 0;
    padding: 0 var(--space-gutter);
    max-width: 720px;
    width: 100%;
  }
  :root .dark-edition .interior-hero-copy h1 {
    font-size: clamp(38px, 7.8vw, 54px);
    line-height: 1.07;
    letter-spacing: -0.035em;
  }
  :root .dark-edition .interior-hero-copy > p:last-child {
    max-width: 46ch;
    margin: 24px 0 0;
    font-size: 16px;
    line-height: 1.7;
  }
  :root .dark-edition .interior-explore {
    position: relative;
    inset: auto;
    order: 2;
    align-self: flex-start;
    margin: 28px var(--space-gutter) 0;
    min-height: 48px;
    padding: 12px 16px;
    font-size: 13px;
    letter-spacing: 0.04em;
  }
  :root .dark-edition .interior-explore small {
    display: none;
  }
  :root .dark-edition .interior-explore > span {
    font-size: 13px;
    letter-spacing: 0.04em;
  }
  :root .dark-edition .interior-signal-deck {
    display: grid;
    grid-template-columns: 1fr;
    grid-auto-flow: row;
    width: 100%;
    max-width: 100%;
    min-height: 0;
    margin: 0;
  }
  :root .dark-edition .signal-deck-mark,
  :root .dark-edition .signal-deck-item {
    grid-column: auto;
    min-height: 78px;
    padding: 20px var(--space-gutter);
    border-bottom: 1px solid #08273125;
  }
  :root .dark-edition .signal-deck-item strong {
    font-size: 17px;
    line-height: 1.4;
  }
  :root .dark-edition .signal-deck-item span,
  :root .dark-edition .signal-deck-mark span {
    font-size: 12px;
    line-height: 1.5;
  }

  :root
    .dark-edition
    :is(
      .content-section,
      .one-stop-section,
      .systems-section,
      .contact-section,
      .contact-page-section,
      .contact-office-section,
      .page-project-cta
    ) {
    padding: 68px var(--space-gutter);
  }
  :root
    .dark-edition
    :is(
      .content-heading,
      .one-stop-heading,
      .lab-heading,
      .section-heading,
      .contact-shell,
      .convenience-blueprint-heading
    ) {
    display: block;
    position: static;
    margin-bottom: 32px;
  }
  :root
    .dark-edition
    :is(
      .content-heading h2,
      .one-stop-heading h2,
      .lab-heading h2,
      .section-heading h2,
      .contact-copy h2,
      .contact-page-intro h2,
      .contact-office-copy h2,
      .convenience-blueprint-heading h2,
      .page-project-cta h2
    ) {
    font-size: clamp(32px, 7vw, 44px);
    line-height: 1.12;
    letter-spacing: -0.03em;
    margin: 0 0 24px;
  }
  :root
    .dark-edition
    :is(
      .content-heading > p,
      .one-stop-heading > p,
      .section-heading > p,
      .editorial-copy > p,
      .about-story p,
      .brand-family-copy p,
      .contact-page-intro > p,
      .contact-copy > p,
      .contact-office-copy > p
    ) {
    font-size: 16px;
    line-height: 1.7;
    max-width: 46ch;
  }
  :root
    .dark-edition
    :is(
      .editorial-split,
      .about-story,
      .brand-family-section,
      .contact-page-section,
      .contact-office-section
    ) {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
  }
  :root .dark-edition :is(.editorial-image, .brand-family-visual) {
    min-height: 0;
    height: auto;
    aspect-ratio: 4 / 3;
  }
  :root .dark-edition :is(.editorial-copy, .brand-family-copy) {
    padding: 40px var(--space-gutter) 56px;
  }
  :root .dark-edition .about-story > div {
    padding: 0;
  }
  :root .dark-edition .about-story > div + div {
    margin-top: 32px;
    padding-top: 32px;
  }
  :root .dark-edition .about-film-section {
    display: grid;
    gap: 32px;
    padding: 56px var(--space-gutter);
  }
  :root .dark-edition .sector-showcase,
  :root .dark-edition .project-study-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
  }
  :root .dark-edition .sector-showcase article {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
  }
  :root .dark-edition .sector-showcase article > div {
    order: initial;
  }
  :root .dark-edition .sector-image,
  :root .dark-edition .project-study-image {
    min-height: 0;
    aspect-ratio: 4 / 3;
  }
  :root .dark-edition .sector-copy h3,
  :root .dark-edition .project-study-copy h3 {
    font-size: 30px;
    line-height: 1.15;
  }
  :root .dark-edition .sector-copy p,
  :root .dark-edition .project-study-copy p {
    font-size: 16px;
    line-height: 1.7;
  }

  /* The catalogue occupies one reading column on portrait screens. */
  :root .dark-edition .primeo-models-section {
    display: block;
    padding: 64px var(--space-gutter);
  }
  :root .dark-edition .primeo-models-heading {
    display: block;
    margin: 0 0 32px;
  }
  :root .dark-edition .primeo-models-heading h2 {
    font-size: clamp(34px, 7vw, 44px);
  }
  :root .dark-edition .primeo-models-summary {
    margin-top: 24px;
  }
  :root .dark-edition .primeo-models-summary p {
    font-size: 16px;
  }
  :root .dark-edition .model-filter-bar {
    position: sticky;
    top: 88px;
    z-index: 16;
    margin: 0 -8px 32px;
    padding: 12px 8px;
    background: #081218;
    border-bottom: 1px solid #a8c9d22b;
  }
  :root .dark-edition .model-filter-instruction,
  :root .dark-edition .model-filter-options,
  :root .dark-edition .model-filter-bar > small {
    display: none;
  }
  :root .dark-edition .model-category-picker,
  :root .dark-edition .assembly-picker {
    display: grid;
    gap: 10px;
    color: #bdd2db;
    font-size: 13px;
    line-height: 1.4;
  }
  :root .dark-edition .model-category-picker select,
  :root .dark-edition .assembly-picker select {
    width: 100%;
    min-width: 0;
    min-height: 52px;
    padding: 12px 16px;
    font: inherit;
    font-size: 16px;
    color: #edf3f4;
    background: #132a34;
    border: 1px solid #a8c9d24d;
    border-radius: 8px;
    color-scheme: dark;
  }
  :root .dark-edition .model-category-context {
    padding: 0 0 32px;
    gap: 24px;
    margin: 0 0 32px;
  }
  :root .dark-edition .model-category-context h3 {
    font-size: 30px;
  }
  :root .dark-edition .model-category-context p {
    font-size: 16px;
  }
  :root .dark-edition .model-category-actions {
    display: grid;
    gap: 8px;
  }
  :root .dark-edition .model-category-actions a {
    font-size: 14px;
  }
  :root .dark-edition .model-category-actions .model-category-contact {
    margin: 8px 0 0;
  }
  :root .dark-edition .primeo-model-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  :root .dark-edition .model-card-copy {
    padding: 22px;
  }
  :root .dark-edition .model-card-copy h3 {
    font-size: 28px;
  }
  :root .dark-edition .model-catalogue-note {
    display: grid;
    gap: 16px;
    margin-top: 32px;
  }
  :root .dark-edition .product-lightbox {
    width: calc(100% - 24px);
    max-width: none;
    max-height: calc(100dvh - 24px);
  }
  :root .dark-edition .product-lightbox-shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    overflow-y: auto;
  }
  :root .dark-edition .product-lightbox-stage {
    min-height: 340px;
    height: 48svh;
    padding: 52px 20px 60px;
  }
  :root .dark-edition .product-lightbox-copy {
    padding: 24px;
  }
  :root .dark-edition .product-lightbox-copy h3 {
    font-size: 28px;
    line-height: 1.15;
  }

  /* Engineering controls follow the picture they operate. */
  :root .dark-edition .interactive-lab,
  :root .dark-edition .selector-lab-shell {
    padding: 64px var(--space-gutter);
  }
  :root .dark-edition .refrigeration-specialist {
    margin-bottom: 64px;
    padding: 32px 22px 0;
  }
  :root .dark-edition .refrigeration-specialist h2 {
    font-size: 34px;
    line-height: 1.12;
  }
  :root .dark-edition .refrigeration-specialist-copy p {
    font-size: 16px;
    line-height: 1.7;
  }
  :root .dark-edition .refrigeration-capability-grid {
    margin: 28px -22px 0;
    grid-template-columns: 1fr;
  }
  :root .dark-edition .refrigeration-capability-grid article {
    min-height: 0;
    padding: 22px;
    border-top: 1px solid #a8c9d22b;
    border-left: 0;
  }
  :root .dark-edition .refrigeration-capability-grid article strong {
    font-size: 16px;
    line-height: 1.5;
  }
  :root .dark-edition .refrigeration-capability-grid article > span {
    font-size: 12px;
    line-height: 1.5;
  }
  :root .dark-edition .lab-heading {
    margin: 0 0 32px;
  }
  :root .dark-edition .lab-module {
    margin-bottom: 36px;
    min-height: 0;
  }
  :root .dark-edition .explorer-module,
  :root .dark-edition .xray-module {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    padding: 28px 20px;
  }
  :root .dark-edition .explorer-module > .module-copy,
  :root .dark-edition .xray-module > .xray-copy {
    display: contents;
  }
  :root .dark-edition .lab-module .module-index {
    order: 0;
    margin: 0;
  }
  :root .dark-edition .lab-module .module-copy > h3 {
    order: 1;
    margin: 0;
    font-size: 32px;
    line-height: 1.12;
  }
  :root .dark-edition .lab-module .module-copy > p {
    order: 2;
    margin: 0;
    font-size: 16px;
    line-height: 1.65;
  }
  :root .dark-edition .lab-module .module-visual {
    order: 3;
    min-height: 0;
    height: clamp(360px, 106vw, 460px);
    margin-inline: -20px;
  }
  :root .dark-edition .segmented-control,
  :root .dark-edition .xray-copy > button {
    order: 4;
    margin: 0;
  }
  :root .dark-edition .segmented-control button {
    min-height: 50px;
    font-size: 15px;
  }
  :root .dark-edition .feature-list,
  :root .dark-edition .xray-points {
    order: 5;
    margin: 0;
    grid-template-columns: 1fr;
  }
  :root .dark-edition .feature-list button,
  :root .dark-edition .xray-points button {
    min-height: 52px;
    padding: 14px 16px;
    font-size: 14px;
    line-height: 1.4;
    letter-spacing: 0;
    text-transform: none;
    text-align: left;
    border-left: 0;
    border-right: 0;
    border-bottom: 1px solid #a8c9d22b;
  }
  :root .dark-edition .feature-detail,
  :root .dark-edition .xray-feature-detail {
    order: 6;
    min-height: 0;
    margin: 0;
    padding: 18px 0 0;
  }
  :root .dark-edition .feature-detail p,
  :root .dark-edition .xray-feature-detail p {
    font-size: 15px;
    line-height: 1.6;
  }
  :root .dark-edition .systems-section {
    padding: 36px 0 64px;
  }
  :root .dark-edition .assembly-picker {
    padding: 20px;
    background: #0c1a21;
    border: 1px solid #a8c9d22b;
    border-bottom: 0;
  }
  :root .dark-edition .assembly-stage-3d {
    padding-top: clamp(360px, 106vw, 460px);
    min-height: 0;
  }
  :root .dark-edition .assembly-stage-3d .systems-3d-canvas {
    top: 0;
    height: clamp(360px, 106vw, 460px);
    bottom: auto;
  }
  :root .dark-edition .assembly-stage-3d .system-info-bubble {
    position: relative;
    inset: auto;
    width: auto;
    margin: 0 16px 20px;
    padding: 24px;
  }
  :root .dark-edition .system-info-bubble h3 {
    font-size: 28px;
    margin: 18px 0 14px;
  }
  :root .dark-edition .system-info-bubble p {
    font-size: 16px;
    line-height: 1.65;
  }
  :root .dark-edition .assembly-selector,
  :root .dark-edition .systems-3d-status {
    display: none;
  }
  :root .dark-edition .assembly-toolbar {
    padding: 16px 20px;
  }
  :root .dark-edition .assembly-toolbar > small {
    display: none;
  }
  :root .dark-edition .concept-selector-module {
    padding: 28px 20px 20px;
  }
  :root .dark-edition .concept-selector-heading {
    margin: 0 0 28px;
    display: block;
  }
  :root .dark-edition .concept-selector-heading h3 {
    font-size: 32px;
    line-height: 1.12;
  }
  :root .dark-edition .concept-selector-nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    display: grid;
    gap: 0;
    margin: 0 0 24px;
  }
  :root .dark-edition .concept-selector-nav button {
    min-height: 60px;
    padding: 12px 6px;
    font-size: 13px;
    line-height: 1.45;
    letter-spacing: 0;
  }
  :root .dark-edition .concept-selector-nav button span {
    display: none;
  }
  :root .dark-edition .concept-selector-stage {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
  }
  :root .dark-edition .concept-selector-image {
    aspect-ratio: 4 / 3;
    min-height: 0;
  }
  :root .dark-edition .concept-image-overlay h4 {
    font-size: 28px;
    line-height: 1.15;
  }
  :root .dark-edition .concept-blueprint-panel {
    padding: 24px 16px;
  }
  :root .dark-edition .technical-blueprint {
    min-height: 340px;
    margin: 20px 0;
  }
  :root .dark-edition .blueprint-svg {
    min-height: 300px;
  }
  :root .dark-edition .concept-package-panel {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 24px 20px;
  }
  :root .dark-edition .concept-package-panel li {
    font-size: 16px;
    line-height: 1.55;
  }
  :root .dark-edition .concept-cta {
    min-height: 52px;
    font-size: 15px;
  }
  :root .dark-edition .lab-disclaimer {
    margin-top: 24px;
    font-size: 13px;
    line-height: 1.6;
  }

  /* Portfolio drawings and project controls stay within thumb reach. */
  :root .dark-edition .project-blueprint-feature {
    padding: 64px var(--space-gutter);
  }
  :root .dark-edition .project-blueprint-copy {
    padding: 0;
  }
  :root .dark-edition .project-blueprint-copy h2 {
    font-size: 36px;
    line-height: 1.12;
  }
  :root .dark-edition .project-blueprint-copy p {
    font-size: 16px;
    line-height: 1.7;
  }
  :root .dark-edition .project-route-grid {
    grid-template-columns: 1fr;
    margin-top: 32px;
    gap: 24px;
  }
  :root .dark-edition .project-route-card {
    min-height: 0;
  }
  :root .dark-edition .project-route-card-main {
    min-height: 360px;
  }
  :root .dark-edition .project-route-card-copy {
    padding: 24px;
  }
  :root .dark-edition .project-route-card-copy strong {
    max-width: none;
    font-size: 30px;
    line-height: 1.12;
  }
  :root .dark-edition .project-route-card-copy small,
  :root .dark-edition .project-route-card-copy span {
    font-size: 13px;
    line-height: 1.5;
  }
  :root .dark-edition .convenience-blueprint-archive {
    padding: 64px var(--space-gutter);
  }
  :root .dark-edition .blueprint-drawing-meta {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 24px 20px;
  }
  :root .dark-edition .blueprint-drawing-meta > div {
    text-align: left;
    padding: 0;
    border: 0;
    min-width: 0;
  }
  :root .dark-edition .blueprint-drawing-meta > div:nth-child(2) {
    border: 0;
  }
  :root .dark-edition .convenience-blueprint-heading p {
    font-size: 16px;
    line-height: 1.7;
  }
  :root .dark-edition .blueprint-drawing-meta strong {
    font-size: 16px;
    line-height: 1.5;
  }
  :root .dark-edition .blueprint-plan-viewport {
    aspect-ratio: auto;
    height: clamp(470px, 130vw, 620px);
    min-height: 470px;
  }
  :root .dark-edition .blueprint-viewer-toolbar {
    top: 12px;
    right: 12px;
    bottom: auto;
    left: 12px;
    transform: none;
  }
  :root .dark-edition .blueprint-segmented-control {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: #0c1a21;
  }
  :root .dark-edition .blueprint-segmented-control button {
    padding: 0 12px;
    min-height: 48px;
    font-size: 14px;
  }
  :root .dark-edition .blueprint-coordinate {
    display: none;
  }
  :root .dark-edition .blueprint-interaction-hint {
    bottom: 14px;
    font-size: 12px;
  }
  :root .dark-edition .blueprint-drawing-controls {
    padding: 12px 20px;
  }
  :root .dark-edition .blueprint-drawing-controls a {
    font-size: 14px;
    width: 100%;
    justify-content: space-between;
  }
  :root .dark-edition .portfolio-logo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
  :root .dark-edition .portfolio-logo-plate {
    min-height: 100px;
    padding: 18px;
  }
  :root .dark-edition .portfolio-logo-grid figcaption span {
    font-size: 14px;
  }

  :root .dark-edition .contact-brief-panel {
    margin-top: 32px;
    padding: 24px 20px;
  }
  :root .dark-edition .contact-brief-grid {
    grid-template-columns: 1fr;
  }
  :root .dark-edition .contact-brief-grid > div {
    display: flex;
    align-items: baseline;
    gap: 20px;
    padding: 20px 0;
    min-height: 0;
  }
  :root .dark-edition .contact-brief-grid small {
    margin: 0;
    font-size: 12px;
  }
  :root .dark-edition .contact-brief-grid strong {
    font-size: 16px;
    line-height: 1.5;
  }
  :root .dark-edition .contact-button {
    min-height: 54px;
    font-size: 15px;
    line-height: 1.5;
  }
  :root .dark-edition .contact-office-grid {
    grid-template-columns: 1fr;
    margin-top: 32px;
  }
  :root .dark-edition .contact-office-grid > div {
    min-height: 0;
    padding: 24px;
  }
  :root .dark-edition .contact-enquiry-form {
    margin-top: 32px;
    padding: 28px 22px;
  }
  :root .dark-edition .contact-enquiry-form .contact-form-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  :root .dark-edition .contact-enquiry-form input,
  :root .dark-edition .contact-enquiry-form select {
    min-height: 52px;
  }
  :root .dark-edition .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 36px 24px;
    padding: 56px var(--space-gutter) 40px;
  }
  :root .dark-edition .footer-brand,
  :root .dark-edition .footer-enquiry {
    grid-column: 1 / -1;
  }
  :root .dark-edition .footer-nav a,
  :root .dark-edition .footer-capabilities a {
    min-height: 44px;
    font-size: 14px;
    line-height: 1.5;
  }
  :root .dark-edition .footer-bottom {
    margin: 0 var(--space-gutter);
    padding-bottom: max(96px, calc(env(safe-area-inset-bottom) + 80px));
  }
  :root .dark-edition .whatsapp-float {
    bottom: max(16px, env(safe-area-inset-bottom));
    right: max(16px, env(safe-area-inset-right));
    min-height: 48px;
  }
}

@media (max-width: 640px) {
  :root .dark-edition {
    --space-gutter: 20px;
  }
  :root .dark-edition .scroll-world {
    height: 310svh;
    /* Let the next section enter the unused lower part of the final frame. */
    margin-bottom: -36svh;
  }
  :root .dark-edition .world-stage {
    min-height: 0;
    height: 100svh;
  }
  :root .dark-edition .scene {
    top: auto;
    bottom: 6svh;
    /* A fixed drawing surface avoids canvas resets during the opening. */
    height: 92svh;
    transform: none;
  }
  :root .dark-edition .one-stop-section {
    padding-top: 40px;
  }
  :root .dark-edition .scroll-world .hero-copy {
    top: 112px;
    left: 20px;
    right: 20px;
    bottom: auto;
    padding: 0;
    max-width: none;
  }
  :root .dark-edition .scroll-world .hero-copy h1 {
    font-size: clamp(34px, 8.8vw, 43px);
    line-height: 1.06;
    max-width: 18ch;
    letter-spacing: -0.035em;
  }
  :root .dark-edition .hero-intro {
    font-size: 15px;
    line-height: 1.55;
    max-width: 38ch;
    margin: 20px 0;
  }
  :root .dark-edition .material-signals {
    gap: 8px;
    margin: 0;
  }
  :root .dark-edition .material-signals span {
    font-size: 11px;
    letter-spacing: 0;
  }
  :root .dark-edition .final-message {
    top: 108px;
    bottom: auto;
    left: 20px;
    right: 20px;
    padding: 0;
    max-width: none;
    background: none;
  }
  :root .dark-edition .final-message h2 {
    font-size: 34px;
    line-height: 1.08;
  }
  :root .dark-edition .final-message > p:last-child {
    max-width: 36ch;
    font-size: 15px;
    line-height: 1.55;
  }
  :root .dark-edition .annotation {
    max-width: 190px;
    width: auto;
    padding: 10px 12px;
    bottom: 174px;
    right: 20px;
  }
  :root .dark-edition .scroll-cue {
    top: auto;
    height: auto;
    bottom: 82px;
    left: 16px;
    right: 16px;
    padding: 14px;
    gap: 8px 12px;
  }
  :root .dark-edition .scroll-cue-copy strong {
    font-size: 12px;
    line-height: 1.4;
  }
  :root .dark-edition .scroll-cue-stage {
    font-size: 11px;
    line-height: 1.4;
    max-width: 112px;
    letter-spacing: 0;
  }
  :root .dark-edition .scroll-cue-copy small {
    display: none;
  }
  :root .dark-edition .delivery-sequence {
    display: grid;
    grid-template-columns: 1fr;
    margin: 32px 0;
  }
  :root .dark-edition .delivery-sequence li {
    display: grid;
    grid-template-columns: 44px 20px minmax(0, 1fr);
    gap: 14px;
    min-height: 0;
    padding: 24px 0;
    border-left: 0;
    border-bottom: 1px solid #a8c9d22b;
  }
  :root .dark-edition .delivery-sequence li h3 {
    font-size: 22px;
    line-height: 1.2;
    margin: 0 0 12px;
  }
  :root .dark-edition .delivery-sequence li p {
    font-size: 15px;
    line-height: 1.6;
  }
  :root .dark-edition .project-section {
    display: grid;
    grid-template-columns: 1fr;
    padding: 0;
  }
  :root .dark-edition .project-visual {
    min-height: 0;
    aspect-ratio: 4 / 3;
  }
  :root .dark-edition .project-copy {
    padding: 40px 20px 56px;
  }
  :root .dark-edition .project-copy h2 {
    font-size: 34px;
    line-height: 1.12;
  }
  :root .dark-edition .project-copy > p {
    font-size: 16px;
    line-height: 1.7;
  }
}

@media (max-width: 640px) and (max-height: 740px) {
  :root .dark-edition .scroll-world {
    /* Preserve the final model clearance on shorter phones. */
    margin-bottom: -30svh;
  }
  :root .dark-edition .scroll-world .hero-copy,
  :root .dark-edition .final-message {
    top: 92px;
  }
  :root .dark-edition .scroll-world .hero-copy h1,
  :root .dark-edition .final-message h2 {
    font-size: 30px;
    line-height: 1.08;
  }
  :root .dark-edition .scroll-world .hero-copy .eyebrow,
  :root .dark-edition .final-message .eyebrow {
    font-size: 10px;
    line-height: 1.4;
    margin-bottom: 10px;
  }
  :root .dark-edition .hero-intro,
  :root .dark-edition .final-message > p:last-child {
    font-size: 14px;
    line-height: 1.5;
    max-width: none;
  }
  :root .dark-edition .hero-intro {
    margin: 16px 0;
  }
  :root .dark-edition .final-message h2 {
    margin-bottom: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  :root .dark-edition .scroll-world {
    height: 100svh;
    margin-bottom: 0;
  }
  :root
    .dark-edition
    .scroll-world
    :is(
      .annotation,
      .final-message,
      .scroll-cue,
      .build-hud,
      .stage-rail,
      .progress-readout
    ) {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) and (max-width: 640px) {
  :root .dark-edition .scene {
    transform: translateY(15svh);
  }
}