.interior-page {
  --page-accent: var(--signal);
  background: #f2f5f7;
}

.interior-page main {
  min-height: 65vh;
}

.interior-hero {
  position: relative;
  isolation: isolate;
  min-height: 42rem;
  padding: calc(var(--header-height) + var(--space-7)) 0 var(--space-8);
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 78% 18%, rgba(29, 118, 219, 0.33), transparent 27rem),
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    var(--navy-deep);
  background-size: auto, 4rem 4rem, 4rem 4rem, auto;
}

.interior-hero::before {
  content: "";
  position: absolute;
  inset: auto -10% -65% 45%;
  z-index: -1;
  aspect-ratio: 1;
  border: 1px solid rgba(244, 200, 61, 0.32);
  border-radius: 50%;
  box-shadow:
    0 0 0 4rem rgba(13, 89, 173, 0.08),
    0 0 0 8rem rgba(13, 89, 173, 0.05);
}

.interior-hero::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.54;
  background:
    linear-gradient(118deg, transparent 24%, rgba(255, 255, 255, 0.055) 46%, transparent 58%),
    radial-gradient(circle at 18% 78%, rgba(244, 200, 61, 0.08), transparent 18rem);
  content: "";
  pointer-events: none;
}

.interior-hero__cursor-grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.32;
  pointer-events: none;
}

.interior-hero__laser {
  position: absolute;
  top: 12%;
  right: -16%;
  width: 56%;
  height: 1px;
  opacity: 0.62;
  background: linear-gradient(90deg, transparent, rgba(244, 200, 61, 0.82), transparent);
  filter: drop-shadow(0 0 0.65rem rgba(244, 200, 61, 0.45));
  pointer-events: none;
  transform: rotate(-18deg);
  transform-origin: center;
}

.interior-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(19rem, 0.72fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: center;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin-bottom: var(--space-5);
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.breadcrumbs a:hover {
  color: var(--signal);
}

.interior-hero h1 {
  max-width: 13ch;
  margin-bottom: var(--space-5);
  color: transparent;
  font-size: clamp(2.8rem, 6vw, 6.35rem);
  letter-spacing: -0.065em;
  background: linear-gradient(112deg, #ffffff 12%, #e8f1fb 56%, #9fb8d3 100%);
  background-clip: text;
  -webkit-background-clip: text;
}

/* FOUC guard: the raw heading paints before pages.js has a chance to split and reveal it,
   worse now that the document.fonts.ready gate pushes that JS further out. Hidden only behind
   `.js` (added synchronously in <head>, so a no-JS visitor always sees the text) and only when
   the visitor accepts motion — reduced-motion visitors always see it immediately. pages.js
   releases this per-heading once it has something to reveal, and unconditionally if gsap or
   ScrollTrigger fail to load at all. */
@media (prefers-reduced-motion: no-preference) {
  .js .interior-hero h1,
  .js .page-cta h2 {
    visibility: hidden;
  }
}

.interior-hero__lede {
  max-width: 42rem;
  margin-bottom: var(--space-6);
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.05rem, 1.7vw, 1.32rem);
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

@media (max-width: 480px) {
  .interior-hero .hero-actions {
    max-width: calc(100% - 5rem);
    align-items: stretch;
  }

  .interior-hero .hero-actions .button {
    width: 100%;
    justify-content: center;
  }
}

.interior-hero .button--outline,
.empty-state .button--outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.035);
}

.interior-hero .button--outline:hover,
.empty-state .button--outline:hover {
  color: var(--navy-deep);
  border-color: var(--white);
  background: var(--white);
}

.hero-art {
  position: relative;
  min-height: 0;
  aspect-ratio: var(--hero-ratio, 1 / 1);
  will-change: transform;
}

.hero-art__frame {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.19);
  border-radius: 1.1rem;
  background: #0c2748;
  box-shadow: var(--shadow-lg);
}

.hero-art__frame picture {
  display: block;
  width: 100%;
  height: 100%;
}

.hero-art__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-art__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(3, 13, 32, 0.84));
  pointer-events: none;
}

.hero-art--contain .hero-art__frame img {
  object-fit: contain;
  padding: clamp(0.8rem, 2.4vw, 1.8rem);
}

.hero-art__scan {
  position: absolute;
  inset: -20% -55%;
  z-index: 2;
  opacity: 0.38;
  background: linear-gradient(105deg, transparent 42%, rgba(255, 255, 255, 0.34) 49%, transparent 56%);
  mix-blend-mode: screen;
  pointer-events: none;
  transform: translateX(-34%);
}

.hero-art__reticle {
  position: absolute;
  z-index: 2;
  width: 7.5rem;
  aspect-ratio: 1;
  border: 1px solid rgba(244, 200, 61, 0.5);
  border-radius: 50%;
  opacity: 0.65;
  pointer-events: none;
}

.hero-art__reticle::before,
.hero-art__reticle::after {
  position: absolute;
  background: rgba(244, 200, 61, 0.45);
  content: "";
}

.hero-art__reticle::before {
  top: 50%;
  left: -1.3rem;
  width: calc(100% + 2.6rem);
  height: 1px;
}

.hero-art__reticle::after {
  top: -1.3rem;
  left: 50%;
  width: 1px;
  height: calc(100% + 2.6rem);
}

.hero-art__reticle--one {
  top: 16%;
  right: 11%;
}

.hero-art__reticle--two {
  bottom: 12%;
  left: 9%;
  width: 3.4rem;
  opacity: 0.32;
}

.hero-art__label {
  position: absolute;
  right: -1.1rem;
  bottom: 2rem;
  z-index: 2;
  width: min(16rem, 85%);
  padding: 1rem 1.15rem;
  color: var(--navy);
  background: var(--signal);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.45;
  text-transform: uppercase;
}

.product-showcase {
  padding-block: clamp(2.8rem, 5vw, 4.5rem);
  overflow: hidden;
  border-bottom: 1px solid rgba(7, 52, 99, 0.14);
  background:
    linear-gradient(rgba(7, 52, 99, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 52, 99, 0.045) 1px, transparent 1px),
    #e9eff4;
  background-size: 3.5rem 3.5rem;
}

.product-showcase__header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.72fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 1.75rem;
}

.product-showcase__header h2 {
  max-width: 19ch;
  margin: 0;
  color: var(--navy-deep);
}

.product-showcase__header > p {
  max-width: 42rem;
  margin: 0;
  color: var(--ink-soft);
}

.product-showcase__rail {
  display: grid;
  grid-auto-columns: minmax(16.5rem, 21rem);
  grid-auto-flow: column;
  gap: 0.9rem;
  padding: 0.2rem 0 1.15rem;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-inline: contain;
  scrollbar-color: var(--cobalt) rgba(7, 52, 99, 0.12);
  scrollbar-width: thin;
  scroll-padding-inline: 0.2rem;
  scroll-snap-type: inline mandatory;
}

.product-showcase__card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(7, 52, 99, 0.15);
  border-top: 3px solid var(--signal);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0.7rem 2rem rgba(4, 20, 43, 0.08);
  scroll-snap-align: start;
}

.product-showcase__card > a {
  display: block;
  height: 100%;
}

.product-showcase__image {
  position: relative;
  aspect-ratio: 16 / 9;
  margin: 0;
  overflow: hidden;
  border-bottom: 1px solid rgba(7, 52, 99, 0.12);
  background:
    radial-gradient(circle at 68% 28%, rgba(18, 101, 195, 0.18), transparent 42%),
    linear-gradient(145deg, #f7fafc, #dce6ef);
}

.product-showcase__image::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.5);
  content: "";
  pointer-events: none;
}

.product-showcase__image img {
  width: 100%;
  height: 100%;
  padding: clamp(0.65rem, 1.8vw, 1.15rem);
  object-fit: contain;
  transition: transform 220ms cubic-bezier(0.2, 0, 0, 1);
}

.product-showcase__zoom {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  color: inherit;
  background: transparent;
  cursor: zoom-in;
  text-align: left;
}

.product-showcase__zoom:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: -3px;
}

.product-showcase--gallery .product-showcase__image img {
  padding: 0;
  object-fit: cover;
}

.project-lightbox {
  width: min(94vw, 92rem);
  max-width: none;
  height: min(92vh, 64rem);
  max-height: none;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--white);
  background: #030d1d;
  box-shadow: 0 2rem 6rem rgba(0, 0, 0, 0.58);
}

.project-lightbox::backdrop {
  background: rgba(1, 8, 18, 0.88);
  backdrop-filter: blur(0.35rem);
}

.project-lightbox figure {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  height: 100%;
  margin: 0;
}

.project-lightbox img {
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: clamp(1rem, 3vw, 2.5rem);
  object-fit: contain;
}

.project-lightbox figcaption {
  padding: 0.9rem 4.5rem 1rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-lightbox__close {
  position: absolute;
  z-index: 2;
  top: 0.75rem;
  right: 0.75rem;
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  color: var(--white);
  background: rgba(3, 19, 40, 0.9);
  cursor: pointer;
  font-size: 1.7rem;
  line-height: 1;
}

.project-lightbox__close:hover,
.project-lightbox__close:focus-visible {
  color: var(--navy-deep);
  background: var(--signal);
}

.product-showcase__card:hover .product-showcase__image img,
.product-showcase__card:focus-within .product-showcase__image img {
  transform: translateY(-0.2rem) scale(1.025);
}

.product-showcase__body {
  padding: 1rem 1.1rem 1.15rem;
}

.product-showcase__body .eyebrow {
  margin-bottom: 0.45rem;
}

.product-showcase__body h3,
.product-showcase__body .card-heading {
  margin: 0;
  color: var(--navy-deep);
  font-size: 1.2rem;
}

.product-showcase__body > p:not(.eyebrow):not(.card-heading) {
  min-height: 2.7em;
  margin: 0.5rem 0 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.product-showcase__body .index-card__link {
  display: inline-block;
  margin-top: 0.8rem;
}

@media (min-width: 961px) {
  .product-showcase__rail--fit {
    grid-template-columns: repeat(var(--product-count), minmax(0, 1fr));
    grid-auto-columns: auto;
    grid-auto-flow: row;
    overflow-x: visible;
  }
}

.page-strip {
  color: var(--white);
  background: var(--cobalt);
}

.page-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.page-strip__item {
  min-height: 8.5rem;
  padding: 1.55rem;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.page-strip__item:last-child {
  border-right: 0;
}

.page-strip__item strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--signal);
  font-family: var(--font-display);
  font-size: 1.65rem;
  line-height: 1;
}

.page-strip__label {
  display: block;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
}

.page-strip__number,
.page-strip__suffix {
  color: inherit;
  font: inherit;
}

.page-strip__suffix {
  margin-left: 0.15em;
}

.page-section {
  position: relative;
  isolation: isolate;
  padding-block: clamp(5rem, 9vw, 9rem);
  overflow: hidden;
  background:
    linear-gradient(rgba(7, 52, 99, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 52, 99, 0.035) 1px, transparent 1px),
    var(--white);
  background-size: 4rem 4rem;
}

.page-section::before,
.page-section::after {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.page-section::before {
  top: -14rem;
  right: -12rem;
  width: 30rem;
  aspect-ratio: 1;
  border: 1px solid rgba(11, 78, 162, 0.1);
  box-shadow:
    0 0 0 4rem rgba(11, 78, 162, 0.025),
    0 0 0 8rem rgba(11, 78, 162, 0.018);
}

.page-section::after {
  bottom: -12rem;
  left: -8rem;
  width: 24rem;
  aspect-ratio: 1;
  opacity: 0.62;
  background: radial-gradient(circle, rgba(244, 200, 61, 0.12), transparent 66%);
  filter: blur(1rem);
}

.page-section--mist {
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.9), transparent 20rem),
    linear-gradient(125deg, rgba(11, 78, 162, 0.04), transparent 42%),
    #eaf0f5;
}

.page-section--dark {
  color: var(--white);
  background:
    radial-gradient(circle at 90% 0, rgba(18, 102, 195, 0.28), transparent 25rem),
    var(--navy);
}

.page-section__intro {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(18rem, 0.45fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
  margin-bottom: var(--space-7);
}

.page-section__intro h2 {
  max-width: 16ch;
  margin-bottom: 0;
}

.page-section__intro p {
  max-width: 38rem;
  margin-bottom: 0;
  color: var(--ink-soft);
}

.page-section--dark .page-section__intro p {
  color: rgba(255, 255, 255, 0.68);
}

.page-section--dark .prose p,
.page-section--dark .prose li {
  color: rgba(255, 255, 255, 0.76);
}

.page-section--dark .prose blockquote {
  color: var(--white);
}

.page--privacy .page-section::before,
.page--privacy .page-section::after {
  display: none;
}

.index-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.index-card {
  position: relative;
  isolation: isolate;
  min-height: 25rem;
  padding: 2rem;
  overflow: hidden;
  background: var(--white);
}

.index-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0;
  background: radial-gradient(circle at var(--glow-x, 50%) var(--glow-y, 50%), rgba(18, 102, 195, 0.16), transparent 45%);
  transition: opacity 220ms ease;
}

.index-card::after {
  position: absolute;
  inset: 1rem;
  z-index: 0;
  border: 1px solid transparent;
  content: "";
  pointer-events: none;
  transition: border-color 220ms ease, box-shadow 220ms ease;
}

.index-card:hover::after {
  border-color: rgba(244, 200, 61, 0.54);
  box-shadow: inset 0 0 2rem rgba(244, 200, 61, 0.06);
}

.index-card--visual {
  color: var(--white);
  background:
    linear-gradient(180deg, rgba(3, 13, 32, 0.3), rgba(3, 13, 32, 0.96) 79%),
    var(--card-image) center / cover no-repeat,
    var(--navy);
}

.index-card--visual::before {
  opacity: 0.54;
  background:
    radial-gradient(circle at var(--glow-x, 50%) var(--glow-y, 50%), rgba(244, 200, 61, 0.25), transparent 32%),
    linear-gradient(125deg, transparent 42%, rgba(255, 255, 255, 0.12), transparent 58%);
}

.index-card--visual:hover::before {
  opacity: 0.82;
}

.index-card--visual .index-card__number {
  color: var(--signal);
}

.index-card--visual p {
  color: rgba(255, 255, 255, 0.72);
}

.index-card--visual .index-card__link {
  color: var(--white);
  text-decoration-color: rgba(255, 255, 255, 0.4);
}

.index-card:hover::before {
  opacity: 1;
}

.index-card > * {
  position: relative;
  z-index: 1;
}

.index-card__number {
  display: block;
  margin-bottom: 5rem;
  color: var(--cobalt);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.index-card h3,
.index-card .card-heading {
  max-width: 15ch;
  margin-bottom: 1rem;
  font-size: 1.55rem;
}

.index-card p:not(.card-heading) {
  color: var(--muted);
}

.index-card__link {
  display: inline-flex;
  margin-top: 1rem;
  color: var(--cobalt);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(11, 78, 162, 0.3);
  text-underline-offset: 0.3rem;
}

.index-card__link::after {
  content: " ↗";
}

.index-grid > .index-card:last-child:nth-child(3n + 1) {
  grid-column: 1 / -1;
  min-height: 16rem;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.media-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: 0 1.4rem 3.5rem rgba(3, 13, 32, 0.12);
  transition: transform 260ms var(--ease-out), border-color 260ms ease, box-shadow 260ms ease;
}

.media-card::after {
  position: absolute;
  inset: -35%;
  z-index: 2;
  opacity: 0;
  background: linear-gradient(112deg, transparent 40%, rgba(255, 255, 255, 0.2) 49%, transparent 57%);
  content: "";
  pointer-events: none;
  transform: translateX(-42%);
  transition: opacity 180ms ease, transform 650ms var(--ease-out);
}

.media-card:hover {
  border-color: rgba(244, 200, 61, 0.48);
  box-shadow: 0 1.8rem 4rem rgba(3, 13, 32, 0.2), 0 0 0 1px rgba(244, 200, 61, 0.12);
  transform: translateY(-0.35rem);
}

.media-card:hover::after {
  opacity: 0.6;
  transform: translateX(42%);
}

.media-card__image {
  aspect-ratio: 1.35;
  overflow: hidden;
}

.media-card__image img {
  width: 100%;
  height: 112%;
  object-fit: cover;
  transition: transform 650ms var(--ease-out);
}

.media-card:hover img {
  transform: scale(1.035);
}

.media-card__body {
  padding: 1.5rem;
}

.media-card__body h3,
.media-card__body .card-heading {
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
}

.media-card__body p:not(.card-heading) {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.95rem;
}

.media-card .index-card__link {
  position: relative;
  z-index: 3;
  color: var(--white);
  text-decoration-color: rgba(255, 255, 255, 0.42);
}

.media-card .button--outline,
.spec-panel .button--outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.38);
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(19rem, 0.28fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.prose {
  max-width: 48rem;
}

.prose h2 {
  margin-top: 4.5rem;
  font-size: clamp(2rem, 4vw, 3.3rem);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin-top: 2.2rem;
  font-size: 1.4rem;
}

.prose p,
.prose li {
  color: var(--ink-soft);
}

.prose ul {
  padding-left: 1.2rem;
}

.prose blockquote {
  margin: 3rem 0;
  padding: 1.5rem 0 1.5rem 1.5rem;
  border-left: 0.35rem solid var(--signal);
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.25;
}

.spec-panel {
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
  padding: 1.75rem;
  color: var(--white);
  background: var(--navy);
  box-shadow: 0.8rem 0.8rem 0 var(--signal);
}

.spec-panel h2 {
  margin-bottom: 1.5rem;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.spec-panel dl {
  margin: 0;
}

.spec-panel div {
  display: grid;
  grid-template-columns: 0.7fr 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.spec-panel dt {
  color: rgba(255, 255, 255, 0.58);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.spec-panel dd {
  font-size: 0.9rem;
}

.procurement-panel {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  border-top: 3px solid var(--signal);
  background: var(--white);
  box-shadow: 0.7rem 0.7rem 0 rgba(7, 27, 53, 0.12);
}

.procurement-panel__badge {
  display: grid;
  place-items: center;
  min-height: 8rem;
  background: #f7f9fc;
}

.procurement-panel__badge img {
  display: block;
  width: 7rem;
  height: 7rem;
  object-fit: contain;
}

.procurement-panel__body h2 {
  margin-bottom: 0.75rem;
  color: var(--navy);
  font-size: clamp(1.45rem, 3vw, 2.15rem);
}

.procurement-panel__body > p:not(.eyebrow) {
  max-width: 62rem;
  color: var(--ink-soft);
}

@media (max-width: 560px) {
  .procurement-panel {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .procurement-panel__badge {
    justify-self: start;
    width: 8rem;
  }
}

.engineering-overview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.38fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start;
}

.family-installation__label {
  position: absolute;
  z-index: 1;
  display: grid;
  gap: 0.25rem;
  padding: 0.5rem 0.75rem;
  color: var(--navy);
  border: 1px solid rgba(30, 61, 107, 0.18);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 0.45rem 1.25rem rgba(7, 27, 53, 0.12);
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1.1;
}

.family-installation__label small {
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.61rem;
  font-weight: 600;
  line-height: 1.2;
}

.family-installation__label--cool {
  top: 1rem;
  left: 1rem;
  background: rgba(235, 248, 252, 0.94);
}

.family-installation__label--hot {
  right: 1rem;
  bottom: 1rem;
  background: rgba(255, 244, 236, 0.94);
}

/* RT-IL-150C installation story: three editorial beats, each with a distinct visual role. */
.family-installation__story {
  display: grid;
}

.family-installation__lead {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: center;
}

.family-installation__lead-copy {
  position: relative;
  z-index: 2;
  grid-column: 1 / span 5;
  grid-row: 1;
  padding: 2rem 2rem 2rem 0;
  background: #e9eff4;
}

.family-installation__lead-copy h2 {
  max-width: 13ch;
  margin: 0.75rem 0 1.5rem;
  color: var(--navy);
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 4.5vw, 4.75rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.family-installation__lead-copy > p:last-child {
  max-width: 38rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.65;
  text-wrap: pretty;
}

.family-installation__opening {
  min-width: 0;
  margin: 0;
  grid-column: 6 / -1;
  grid-row: 1;
}

.family-installation__opening-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-top: 3px solid var(--signal);
  background: #dfe7ee;
}

.family-installation__opening-media > img,
.family-installation__field-media > img,
.family-installation__hardware-media > img {
  display: block;
  width: 100%;
  height: 100%;
}

.family-installation__opening-media > img,
.family-installation__field-media > img {
  object-fit: cover;
}

.family-installation__opening-caption {
  display: grid;
  grid-template-columns: minmax(12rem, 0.7fr) minmax(0, 1.3fr);
  gap: 1.5rem;
  align-items: start;
  padding: 1.5rem 0 0 2rem;
}

.family-installation__opening-caption strong,
.family-installation__hardware-caption strong {
  color: var(--navy);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  text-wrap: balance;
}

.family-installation__opening-caption strong {
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
}

.family-installation__opening-caption span,
.family-installation__hardware-caption span {
  color: var(--ink-soft);
  line-height: 1.6;
  text-wrap: pretty;
}

.family-installation__field {
  margin: 6rem 0 0;
}

.family-installation__field-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-top: 3px solid var(--signal);
  background: #1b2d42;
}

.family-installation__field-caption {
  display: grid;
  grid-template-columns: minmax(16rem, 0.65fr) minmax(0, 1.35fr);
  gap: 2rem;
  align-items: center;
  padding: 2rem clamp(1.5rem, 4vw, 3rem);
  background: var(--navy);
}

.family-installation__field-caption strong {
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 700;
  line-height: 1.12;
  text-wrap: balance;
}

.family-installation__field-caption span {
  max-width: 56ch;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.6;
  text-wrap: pretty;
}

.family-installation__hardware {
  display: grid;
  width: 100%;
  margin: 4rem 0 0;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  grid-template-columns: minmax(0, 1fr) 12rem;
  gap: 2rem;
  align-items: center;
}

.family-installation__hardware-caption {
  display: grid;
  gap: 0.75rem;
}

.family-installation__hardware-caption strong {
  font-size: clamp(1.15rem, 1.7vw, 1.4rem);
}

.family-installation__hardware-caption span {
  max-width: 48ch;
}

.family-installation__hardware-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: transparent;
}

.family-installation__hardware-media > img {
  padding: 0;
  object-fit: contain;
}

@media (max-width: 820px) {
  .family-installation__lead {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }

  .family-installation__lead-copy {
    grid-column: 1 / span 4;
    padding-right: 1.5rem;
  }

  .family-installation__lead-copy h2 {
    font-size: clamp(2.35rem, 7vw, 4rem);
  }

  .family-installation__opening {
    grid-column: 5 / -1;
  }

  .family-installation__opening-caption {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.75rem;
    padding-left: 1.5rem;
  }

  .family-installation__field-caption {
    grid-template-columns: minmax(13rem, 0.7fr) minmax(0, 1.3fr);
  }

  .family-installation__hardware {
    width: min(100%, 48rem);
  }
}

@media (max-width: 560px) {
  .family-installation__lead {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }

  .family-installation__lead-copy,
  .family-installation__opening {
    grid-column: 1;
    grid-row: auto;
  }

  .family-installation__lead-copy {
    padding: 0;
    background: transparent;
  }

  .family-installation__lead-copy h2 {
    max-width: 11ch;
    margin-bottom: 1rem;
    font-size: clamp(2.35rem, 13vw, 3.4rem);
  }

  .family-installation__opening-caption {
    padding: 1rem 0 0;
  }

  .family-installation__label {
    max-width: 9.5rem;
    padding: 0.5rem;
    font-size: 0.75rem;
  }

  .family-installation__label small {
    font-size: 0.625rem;
    line-height: 1.25;
  }

  .family-installation__label--cool {
    top: 0.5rem;
    left: 0.5rem;
  }

  .family-installation__label--hot {
    right: 0.5rem;
    bottom: 0.5rem;
  }

  .family-installation__field {
    width: calc(100% + 2rem);
    margin-top: 4rem;
    margin-left: -1rem;
  }

  .family-installation__field-media {
    aspect-ratio: 4 / 3;
  }

  .family-installation__field-caption {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.75rem;
    padding: 1.5rem;
  }

  .family-installation__hardware {
    width: 100%;
    margin-top: 4rem;
    padding: 1rem 0;
    grid-template-columns: 7rem minmax(0, 1fr);
    gap: 1rem;
  }

  .family-installation__hardware-caption {
    grid-column: 2;
    grid-row: 1;
  }

  .family-installation__hardware-media {
    grid-column: 1;
    grid-row: 1;
  }

  .family-installation__hardware-media > img {
    padding: 0.5rem;
  }
}

.spec-chip-grid {
  display: grid;
  margin-top: 2.5rem;
  border: 1px solid var(--line);
  background: var(--line);
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
}

.spec-chip-grid > div {
  min-height: 7rem;
  padding: 1.15rem;
  background:
    linear-gradient(135deg, rgba(11, 78, 162, 0.04), transparent 68%),
    var(--white);
}

.spec-chip-grid span,
.document-panel dt,
.dimension-panel dt {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.spec-chip-grid strong {
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.document-panel,
.dimension-panel {
  position: relative;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    var(--navy);
  background-size: 2.5rem 2.5rem;
  box-shadow: 0.7rem 0.7rem 0 var(--signal);
}

.document-panel::before,
.dimension-panel::before {
  position: absolute;
  top: -1px;
  left: -1px;
  width: 42%;
  height: 3px;
  background: var(--signal);
  content: "";
}

.document-panel h2,
.dimension-panel h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.65rem, 3vw, 2.25rem);
}

.document-panel > p:not(.eyebrow),
.dimension-panel > p {
  color: rgba(255, 255, 255, 0.7);
}

.document-panel dl,
.dimension-panel dl {
  margin: 1.75rem 0;
}

.document-panel dl > div,
.dimension-panel dl > div {
  display: grid;
  padding: 0.8rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  grid-template-columns: 0.8fr 1fr;
  gap: 1rem;
}

.document-panel dt,
.dimension-panel dt {
  margin: 0;
  color: rgba(255, 255, 255, 0.5);
}

.document-panel dd,
.dimension-panel dd {
  font-size: 0.9rem;
}

.document-panel .button {
  width: 100%;
  margin-top: 0.25rem;
}

.document-panel small {
  display: block;
  margin-top: 1rem;
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.72rem;
  line-height: 1.55;
}

.article-application-note {
  margin-top: clamp(2.5rem, 6vw, 4rem);
}

.article-application-note h3 {
  margin-top: 1.75rem;
  color: var(--white);
}

.article-application-note ul {
  margin-block: 1.25rem 1.75rem;
}

.article-application-note li {
  color: rgba(255, 255, 255, 0.74);
}

.article-application-note li + li {
  margin-top: 0.5rem;
}

.engineering-table-shell {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid #b9c6d1;
  background: var(--white);
  box-shadow: 0 1.2rem 3rem rgba(3, 13, 32, 0.08);
  scrollbar-color: var(--cobalt) #dce4eb;
}

.engineering-table {
  width: 100%;
  min-width: 58rem;
  border-collapse: collapse;
  color: var(--ink);
}

.engineering-table caption {
  padding: 1rem 1.15rem;
  color: var(--navy);
  background: #dfe7ee;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
}

.engineering-table th,
.engineering-table td {
  padding: 1rem 1.15rem;
  border-right: 1px solid #d4dde5;
  border-bottom: 1px solid #d4dde5;
  text-align: left;
  vertical-align: top;
}

.engineering-table thead th {
  color: var(--navy);
  background: #edf2f6;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.engineering-table tbody th {
  color: var(--navy);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  white-space: nowrap;
}

.engineering-table td {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.product-data-section .engineering-table-shell {
  border-color: rgba(255, 255, 255, 0.17);
  background: #071b35;
  box-shadow: 0 1.4rem 3.5rem rgba(0, 0, 0, 0.25);
}

.product-data-section .engineering-table caption,
.product-data-section .engineering-table thead th {
  color: var(--signal);
  background: #0a2a50;
}

.product-data-section .engineering-table th,
.product-data-section .engineering-table td {
  border-color: rgba(255, 255, 255, 0.12);
}

.product-data-section .engineering-table tbody th {
  color: var(--white);
}

.product-data-section .engineering-table td {
  color: rgba(255, 255, 255, 0.76);
}

.table-note {
  max-width: 55rem;
  margin: 1.25rem 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.8rem;
}

.engineering-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.38fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start;
}

.engineering-detail-grid > div > h2 {
  max-width: 15ch;
  margin-bottom: 2.25rem;
}

.spec-panel__links {
  display: grid;
  margin-top: 1.25rem;
}

.spec-panel__links a {
  padding: 0.85rem 0;
  color: var(--white);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(244, 200, 61, 0.55);
  text-underline-offset: 0.3rem;
}

.spec-panel__links a:hover {
  color: var(--signal);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.7fr 1fr;
  gap: clamp(2rem, 7vw, 7rem);
}

.contact-cards {
  display: grid;
  gap: 1px;
  align-self: start;
  background: var(--line);
  border: 1px solid var(--line);
}

.contact-card {
  padding: 1.5rem;
  background: var(--white);
}

.contact-card span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
}

/* Quote panel: the contact form reads as one designed instrument panel — navy masthead over a
   white field deck — rather than a heading floating above stacked inputs. The heading block sits
   OUTSIDE <form> on purpose: pages.js replaces the form's innerHTML on success, so anything
   inside it disappears with the fields. */
.quote-panel {
  align-self: start;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 26px 60px -40px rgba(6, 24, 47, 0.5);
}

.quote-panel__head {
  position: relative;
  padding: clamp(1.5rem, 3vw, 2.15rem) clamp(1.35rem, 3vw, 2.25rem) clamp(1.35rem, 2.6vw, 1.8rem);
  background: var(--navy);
  border-bottom: 3px solid var(--signal);
  overflow: hidden;
}

.quote-panel__head::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 2.25rem 2.25rem;
  pointer-events: none;
}

/* Registration mark — the square technical language the rest of the site uses. */
.quote-panel__head::after {
  content: "";
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 1.6rem;
  height: 1.6rem;
  border-top: 2px solid rgba(244, 200, 61, 0.5);
  border-right: 2px solid rgba(244, 200, 61, 0.5);
  pointer-events: none;
}

.quote-panel__head > * {
  position: relative;
  z-index: 1;
}

.quote-panel__head h2 {
  max-width: 17ch;
  margin: 0.4rem 0 0;
  color: var(--white);
  font-size: clamp(1.55rem, 2.4vw, 2rem);
  line-height: 1.14;
  text-wrap: balance;
}

.quote-panel__note {
  max-width: 44ch;
  margin: 0.9rem 0 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.86rem;
  line-height: 1.6;
}

.quote-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem 1.25rem;
  padding: clamp(1.35rem, 3vw, 2.25rem);
  background: var(--white);
}

.form-field {
  display: grid;
  gap: 0.55rem;
  align-content: start;
}

.form-field--wide {
  grid-column: 1 / -1;
}

.form-field label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 1.35rem;
}

/* Instrument labelling: mono caps, matched to the contact cards and hero art label. */
.form-field__name {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink);
}

.form-field__required,
.form-field__optional {
  margin-left: auto;
  padding: 0.15rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.form-field__required {
  color: var(--cobalt);
  background: var(--blue-light);
  border: 1px solid rgba(11, 78, 162, 0.24);
}

.form-field__optional {
  color: var(--ink-soft);
  background: var(--paper);
  border: 1px solid var(--line);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 3.35rem;
  padding: 0.85rem 1rem;
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: #fafcfd;
  border: 1px solid var(--line);
  border-radius: 0;
  transition:
    border-color 160ms var(--ease-out),
    box-shadow 160ms var(--ease-out),
    background-color 160ms var(--ease-out);
}

.form-field input:hover,
.form-field select:hover,
.form-field textarea:hover {
  background: var(--white);
  border-color: #93a3b4;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  background: var(--white);
  border-color: var(--cobalt);
  box-shadow: 0 0 0 3px rgba(11, 78, 162, 0.18);
}

/* Keyboard focus keeps the site-wide signal outline on top of the cobalt ring; the outline is
   only suppressed for the pointer case above. */
.form-field input:focus-visible,
.form-field select:focus-visible,
.form-field textarea:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}

.form-field input:user-invalid,
.form-field textarea:user-invalid {
  background: #fdf6f5;
  border-color: #b3261e;
}

.form-field input:user-invalid:focus,
.form-field textarea:user-invalid:focus {
  box-shadow: 0 0 0 3px rgba(179, 38, 30, 0.18);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--muted);
}

.form-select {
  position: relative;
}

.form-select::after {
  content: "";
  position: absolute;
  right: 1.05rem;
  top: 50%;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid var(--cobalt);
  border-bottom: 2px solid var(--cobalt);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

.form-select select {
  appearance: none;
  padding-right: 2.6rem;
  cursor: pointer;
}

.form-field textarea {
  min-height: 10rem;
  line-height: 1.6;
  resize: vertical;
}

.quote-form .cf-turnstile {
  grid-column: 1 / -1;
  padding-top: 1.35rem;
  border-top: 1px solid var(--line);
}

.quote-form__submit {
  width: 100%;
  min-height: 3.6rem;
  justify-content: center;
  font-size: 0.92rem;
  box-shadow: 0 14px 30px -18px rgba(160, 122, 12, 0.85);
}

.quote-form__submit::after {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 160ms var(--ease-out);
}

.quote-form__submit[disabled] {
  opacity: 0.65;
  cursor: wait;
}

.quote-form__privacy {
  grid-column: 1 / -1;
  max-width: 46ch;
  margin: -0.4rem auto 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.6;
  text-align: center;
  text-wrap: pretty;
}

@media (hover: hover) and (pointer: fine) {
  .quote-form__submit:hover::after {
    transform: translateX(0.2rem) rotate(45deg);
  }
}

@media (max-width: 640px) {
  .quote-form {
    grid-template-columns: 1fr;
  }

  /* iOS Safari zooms the viewport on focus for any control under 16px. */
  .form-field input,
  .form-field select,
  .form-field textarea {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .form-field input,
  .form-field select,
  .form-field textarea,
  .quote-form__submit::after {
    transition: none;
  }
}

.legal-shell {
  max-width: 52rem;
  margin-inline: auto;
}

.legal-meta {
  margin-bottom: 3rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.article-hero .interior-hero__grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(22rem, 0.7fr);
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: rgba(255, 255, 255, 0.66);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.article-body img {
  width: 100%;
  margin-block: 2rem;
  border-radius: var(--radius-md);
}

.empty-state {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  padding: calc(var(--header-height) + 5rem) var(--gutter) 6rem;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 70% 34%, rgba(18, 102, 195, 0.42), transparent 29rem),
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    var(--navy-deep);
  background-size: auto, 4rem 4rem, 4rem 4rem, auto;
}

.empty-state__inner {
  position: relative;
  z-index: 2;
  width: min(100%, 72rem);
  margin-inline: auto;
}

.empty-state__message {
  max-width: 48rem;
}

.empty-state__code {
  margin: 1rem 0;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: clamp(4rem, 18vw, 12rem);
  font-weight: 500;
  line-height: 0.8;
}

.empty-state h1 {
  max-width: 12ch;
  margin: 1.5rem 0 1rem;
  font-size: clamp(2rem, 5vw, 4rem);
}

.empty-state p {
  max-width: 34rem;
  color: rgba(255, 255, 255, 0.7);
}

.empty-state__ring {
  position: absolute;
  top: 10%;
  right: -12rem;
  z-index: 0;
  width: 42rem;
  aspect-ratio: 1;
  border: 1px solid rgba(244, 200, 61, 0.34);
  border-radius: 50%;
  box-shadow:
    0 0 0 5rem rgba(14, 86, 167, 0.09),
    0 0 0 10rem rgba(14, 86, 167, 0.045);
}

.empty-state__routes {
  display: grid;
  margin-top: 4rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  grid-template-columns: repeat(4, 1fr);
}

.empty-state__routes a {
  min-height: 10rem;
  padding: 1.35rem;
  color: var(--white);
  border-right: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.035);
  transition: color 180ms ease, background 180ms ease, transform 180ms var(--ease-out);
}

.empty-state__routes a:last-child {
  border-right: 0;
}

.empty-state__routes a:hover {
  color: var(--navy-deep);
  background: var(--signal);
  transform: translateY(-0.2rem);
}

.empty-state__routes span,
.empty-state__routes strong,
.empty-state__routes small {
  display: block;
}

.empty-state__routes span {
  margin-bottom: 2.2rem;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.empty-state__routes a:hover span {
  color: var(--navy-deep);
}

.empty-state__routes strong {
  margin-bottom: 0.3rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
}

.empty-state__routes small {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
}

.empty-state__routes a:hover small {
  color: rgba(3, 13, 32, 0.72);
}

.page-faq {
  background:
    radial-gradient(circle at 86% 12%, rgba(17, 101, 194, 0.12), transparent 24rem),
    #edf2f6;
}

.page-faq__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.56fr) minmax(22rem, 0.78fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.page-faq__grid > div:first-child {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.page-faq__grid h2 {
  max-width: 12ch;
}

.page-faq__grid > div:first-child > p:last-child {
  max-width: 30rem;
  color: var(--ink-soft);
}

.page-faq__list {
  border-top: 1px solid #bdc9d4;
}

.page-faq details {
  border-bottom: 1px solid #bdc9d4;
}

.page-faq summary {
  display: grid;
  min-height: 5.5rem;
  align-items: center;
  color: var(--navy);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 700;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  list-style: none;
}

.page-faq summary::-webkit-details-marker {
  display: none;
}

.page-faq summary span {
  color: var(--cobalt);
  font-family: var(--font-mono);
  transition: transform 180ms ease;
}

.page-faq details[open] summary span {
  transform: rotate(45deg);
}

.page-faq details p {
  max-width: 44rem;
  padding: 0 3rem 1.5rem 0;
  color: var(--ink-soft);
}

.page-cta {
  position: relative;
  isolation: isolate;
  padding-block: clamp(4rem, 8vw, 7rem);
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 78% 34%, rgba(20, 108, 205, 0.42), transparent 25rem),
    linear-gradient(118deg, #04142b, #082a52 62%, #071b35);
}

.page-cta__grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.42;
  background:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 3.5rem 3.5rem;
  mask-image: linear-gradient(90deg, #000, transparent 84%);
}

.page-cta__beam {
  position: absolute;
  top: 48%;
  right: -8%;
  z-index: -1;
  width: 62%;
  height: 1px;
  opacity: 0.75;
  background: linear-gradient(90deg, transparent, var(--signal), transparent);
  box-shadow: 0 0 1.2rem rgba(244, 200, 61, 0.45);
  transform: rotate(-13deg);
  transform-origin: center;
}

.page-cta__ring {
  position: absolute;
  z-index: -1;
  aspect-ratio: 1;
  border: 1px solid rgba(244, 200, 61, 0.28);
  border-radius: 50%;
  pointer-events: none;
}

.page-cta__ring--one {
  top: -16rem;
  right: -8rem;
  width: 39rem;
  box-shadow:
    0 0 0 4rem rgba(15, 91, 179, 0.08),
    0 0 0 8rem rgba(15, 91, 179, 0.045);
}

.page-cta__ring--two {
  right: 19%;
  bottom: -9rem;
  width: 17rem;
  opacity: 0.44;
}

.page-cta__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
}

.page-cta h2 {
  max-width: 18ch;
  margin: 0;
  color: var(--white);
}

.page-cta p {
  max-width: 38rem;
  margin: 1rem 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.page-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.25rem;
  margin-top: 1.5rem;
}

.page-cta__links a {
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(244, 200, 61, 0.55);
  text-underline-offset: 0.32rem;
}

.page-cta__links a:hover {
  color: var(--signal);
}

.index-card.index-card--visual p {
  color: rgba(255, 255, 255, 0.78);
}

@media (max-width: 960px) {
  .interior-hero__grid,
  .article-hero .interior-hero__grid,
  .detail-grid,
  .contact-grid,
  .engineering-overview,
  .engineering-detail-grid {
    grid-template-columns: 1fr;
  }

  .product-showcase__header {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .hero-art {
    width: min(100%, 46rem);
    min-height: 0;
  }

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

  .index-grid > .index-card:last-child:nth-child(3n + 1) {
    grid-column: auto;
  }

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

  .page-strip__item:nth-child(2) {
    border-right: 0;
  }

  .spec-panel {
    position: static;
  }

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

  .page-faq__grid > div:first-child {
    position: static;
  }

  .empty-state__routes {
    grid-template-columns: 1fr 1fr;
  }

  .empty-state__routes a:nth-child(2) {
    border-right: 0;
  }

  .empty-state__routes a:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .document-panel,
  .dimension-panel {
    max-width: 40rem;
  }
}

@media (max-width: 640px) {
  .product-showcase__rail {
    grid-auto-columns: minmax(15.5rem, 82vw);
  }

  .interior-page {
    font-size: 16px;
  }

  .interior-hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 3rem);
  }

  .interior-hero h1 {
    font-size: clamp(2.65rem, 13vw, 4.3rem);
  }

  .hero-art {
    min-height: 0;
  }

  .hero-art__label {
    right: 0;
  }

  .page-section__intro,
  .page-cta__inner,
  .quote-form {
    grid-template-columns: 1fr;
  }

  .page-section__intro {
    align-items: start;
  }

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

  .index-grid > .index-card:last-child:nth-child(3n + 1) {
    grid-column: auto;
  }

  .form-field--wide {
    grid-column: auto;
  }

  .page-strip__item {
    min-height: 7rem;
    padding: 1.1rem;
  }

  .spec-chip-grid {
    grid-template-columns: 1fr;
  }

  .engineering-table {
    min-width: 49rem;
  }

  .hero-art__label {
    bottom: 1rem;
    width: min(14rem, 82%);
  }

  .hero-art__reticle {
    width: 4.5rem;
  }

  .empty-state {
    padding-top: calc(var(--header-height) + 3.5rem);
  }

  .empty-state__routes {
    grid-template-columns: 1fr;
  }

  .empty-state__routes a,
  .empty-state__routes a:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .empty-state__routes a:last-child {
    border-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-magnetic],
  .media-card img {
    transition: none;
    transform: none !important;
  }

  .hero-art__scan,
  .hero-art__reticle,
  .interior-hero__laser,
  .page-cta__beam,
  .page-cta__ring {
    animation: none !important;
    transform: none !important;
  }
}

/* ============================================================================
   Product banner — one verified family image at full size, followed by the
   documented configurations as a list. Replaces the pattern of repeating a
   single image across N cards. Pairs with productBanner() in components.mjs.
   ========================================================================= */

.product-banner {
  padding-block: clamp(2.8rem, 5vw, 4.5rem);
  border-bottom: 1px solid rgba(7, 52, 99, 0.14);
  background:
    linear-gradient(rgba(7, 52, 99, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 52, 99, 0.045) 1px, transparent 1px),
    #e9eff4;
  background-size: 3.5rem 3.5rem;
}

.product-banner__figure {
  position: relative;
  margin: 0 0 1.75rem;
  overflow: hidden;
  border: 1px solid rgba(7, 52, 99, 0.14);
  background:
    radial-gradient(circle at 68% 28%, rgba(18, 101, 195, 0.18), transparent 42%),
    linear-gradient(145deg, #f7fafc, #dce6ef);
}

/* Two failure modes to avoid at once:
     - width:100% alone upscales a ~900px render into a 1200px container (the defect the card
       grid had, at banner scale).
     - width:auto alone reserves no space while the lazy image is still loading, so the section
       below it jumps on load.
   --banner-max is emitted per image by productBanner() from the intrinsic width recorded in
   content-source/product-image-map.json, so the box is reserved AND never exceeds 1:1. */
.product-banner__figure img {
  display: block;
  width: 100%;
  max-width: min(100%, var(--banner-max, 100%));
  height: auto;
  margin-inline: auto;
  object-fit: contain;
}

.product-banner__figure figcaption {
  padding: 0.85rem 1.15rem;
  border-top: 1px solid rgba(7, 52, 99, 0.12);
  background: rgba(255, 255, 255, 0.62);
  color: rgba(7, 52, 99, 0.72);
  font-size: 0.85rem;
}

.product-banner__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: banner-item;
}

.product-banner__list li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.9rem 1rem 0.9rem 2.4rem;
  position: relative;
  border: 1px solid rgba(7, 52, 99, 0.14);
  background: rgba(255, 255, 255, 0.72);
  counter-increment: banner-item;
}

.product-banner__list li::before {
  content: counter(banner-item, decimal-leading-zero);
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  color: rgba(7, 52, 99, 0.42);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

.product-banner__code {
  color: var(--navy, #073463);
  font-weight: 650;
  font-size: 0.98rem;
  letter-spacing: -0.01em;
}

.product-banner__detail {
  color: rgba(7, 52, 99, 0.7);
  font-size: 0.86rem;
}

.product-banner__meta {
  color: rgba(7, 52, 99, 0.9);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

/* ============================================================================
   Category comparison table + cross-links to sibling categories.
   ========================================================================= */

.comparison-table th[scope="row"] a {
  color: inherit;
  text-decoration-color: rgba(7, 52, 99, 0.35);
  text-underline-offset: 0.22em;
}

.comparison-table th[scope="row"] a:hover,
.comparison-table th[scope="row"] a:focus-visible {
  color: var(--cobalt, #1265c3);
  text-decoration-color: currentColor;
}

.related-categories__block {
  margin-top: clamp(2rem, 4vw, 3rem);
}

.related-categories__block h3 {
  margin-bottom: 0.35rem;
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
}

.related-categories__block > p {
  max-width: 46rem;
  margin-bottom: 1.25rem;
  color: rgba(7, 52, 99, 0.72);
}

.related-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.related-categories a {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  height: 100%;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(7, 52, 99, 0.16);
  background: rgba(255, 255, 255, 0.72);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.related-categories a:hover,
.related-categories a:focus-visible {
  border-color: var(--cobalt, #1265c3);
  background: #ffffff;
}

.related-categories strong {
  color: var(--navy, #073463);
  font-size: 0.98rem;
}

.related-categories span {
  color: rgba(7, 52, 99, 0.72);
  font-size: 0.86rem;
  line-height: 1.45;
}

@media (max-width: 640px) {
  .product-banner__figure img {
    max-height: 18rem;
  }

  .product-banner__list,
  .related-categories {
    grid-template-columns: 1fr;
  }
}

/* Source tables that split into design groups carry a single-cell label row (RT-IL publishes
   "Modular design" / "COB design"). Rendered as a spanning header so the columns stay aligned. */
.engineering-table__group th {
  padding-top: 1.15rem;
  border-bottom: 1px solid rgba(7, 52, 99, 0.18);
  color: var(--navy, #073463);
  font-size: 0.82rem;
  letter-spacing: 0.09em;
  text-align: left;
  text-transform: uppercase;
}

.page-section--dark .engineering-table__group th {
  border-bottom-color: rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.86);
}

/* Media variant of the approved spec-panel: same frame, image instead of a list. Used on
   generated project and location pages where the source supplies a supporting photograph. */
.spec-panel--media {
  padding: 0;
  overflow: hidden;
}

.spec-panel--media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ------------------------------------------------------------------ Blog hub: featured card + searchable archive (2026-07-30) */

.media-card--featured {
  margin-bottom: var(--space-5);
}

.media-card--featured > a {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: stretch;
}

.media-card--featured .media-card__image {
  height: 100%;
  min-height: 20rem;
}

.media-card--featured .media-card__image img {
  height: 100%;
  object-fit: cover;
}

.media-card--featured .media-card__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.85rem;
  padding: 2.5rem;
}

.media-card--featured .card-heading--featured {
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  line-height: 1.08;
}

.blog-archive__search {
  display: grid;
  grid-template-columns: minmax(0, 34rem) auto;
  gap: 0.75rem 1.25rem;
  align-items: center;
  margin-bottom: var(--space-4);
}

.blog-archive__search-label {
  grid-column: 1 / -1;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy-deep);
}

.blog-archive__search input {
  width: 100%;
  padding: 0.85rem 1rem;
  font: inherit;
  font-size: 0.95rem;
  color: var(--navy-deep);
  background: var(--white);
  border: 1px solid rgba(7, 27, 53, 0.28);
  border-radius: 0;
  appearance: none;
}

.blog-archive__search input:focus-visible {
  outline: 2px solid var(--page-accent);
  outline-offset: 1px;
  border-color: var(--navy-deep);
}

.blog-archive__count {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: rgba(7, 27, 53, 0.62);
  white-space: nowrap;
}

.blog-archive__list {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.archive-row a {
  display: grid;
  grid-template-columns: 5.25rem minmax(0, 1fr) auto;
  gap: 1rem 1.25rem;
  align-items: center;
  padding: 0.85rem 1rem;
  text-decoration: none;
  color: inherit;
  background: var(--white);
  border: 1px solid rgba(7, 27, 53, 0.12);
  border-left: 3px solid transparent;
  transition: border-color 160ms ease, background 160ms ease;
}

.archive-row a:hover,
.archive-row a:focus-visible {
  border-left-color: var(--page-accent);
  background: #fbfcfd;
}

.archive-row img {
  width: 5.25rem;
  height: 3.4rem;
  object-fit: cover;
  display: block;
}

.archive-row__text {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.archive-row__title {
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.25;
  color: var(--navy-deep);
}

.archive-row__desc {
  font-size: 0.83rem;
  line-height: 1.45;
  color: rgba(7, 27, 53, 0.66);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.archive-row__meta {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(7, 27, 53, 0.5);
  white-space: nowrap;
}

.blog-archive__empty {
  padding: 1.5rem;
  border: 1px dashed rgba(7, 27, 53, 0.3);
  color: rgba(7, 27, 53, 0.7);
}

@media (max-width: 800px) {
  .media-card--featured > a {
    grid-template-columns: 1fr;
  }

  .media-card--featured .media-card__body {
    padding: 1.5rem;
  }

  .blog-archive__search {
    grid-template-columns: 1fr;
  }

  .archive-row a {
    grid-template-columns: 4rem minmax(0, 1fr);
  }

  .archive-row__meta {
    display: none;
  }
}

/* ------------------------------------------------------------------ Sticky aside panels (2026-07-30) */
/* On article/detail layouts the aside CTA panel follows the reader down the long main
   column. Only above the stacking breakpoint — when the grid collapses to one column the
   panel flows normally. */
@media (min-width: 961px) {
  .detail-grid > .spec-panel,
  .engineering-overview > .document-panel {
    position: sticky;
    top: calc(var(--header-height) + 1.25rem);
  }
}

.blog-archive__more {
  margin-top: var(--space-4);
}

.blog-archive__more[hidden] {
  display: none;
}

/* Sticky prerequisite: .page-section clips overflow for its decorative bleeds, but any
   clipping ancestor kills position:sticky inside it. Sections hosting a sticky aside keep
   the horizontal clip (what the decoration needs) and free the vertical axis. */
.page-section:has(.detail-grid > .spec-panel),
.page-section:has(.engineering-overview > .document-panel) {
  overflow-x: clip;
  overflow-y: visible;
}

/* Contact form: lead pipeline states */
.form-field--hp {
  position: absolute !important;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.quote-form__status {
  grid-column: 1 / -1;
  margin: 0;
  padding: 0.9rem 1.1rem;
  color: var(--cobalt);
  background: var(--paper-blue);
  border: 1px solid rgba(11, 78, 162, 0.3);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.5;
}

.quote-form__status--error {
  color: #8c1d18;
  background: #fdf4f3;
  border-color: rgba(179, 38, 30, 0.38);
}

.quote-form__success {
  grid-column: 1 / -1;
  padding: 2.1rem 1.75rem;
  background: var(--paper-blue);
  border: 1px solid rgba(11, 78, 162, 0.28);
  border-top: 3px solid var(--signal);
  text-align: center;
}

.quote-form__success::before {
  content: "";
  display: block;
  width: 2.5rem;
  height: 2.5rem;
  margin: 0 auto 1.1rem;
  background: var(--cobalt);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3"><path d="M3 12.5 9.5 19 21 6"/></svg>') center / contain no-repeat;
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3"><path d="M3 12.5 9.5 19 21 6"/></svg>') center / contain no-repeat;
}

.quote-form__success strong {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.01em;
}

.quote-form__success p {
  max-width: 40ch;
  margin: 0 auto;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.quote-form__success a {
  color: var(--cobalt);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.2rem;
}

/* About page: testimonial + light-background logo rail */
.about-testimonial {
  max-width: 46rem;
  margin: 3rem auto 0;
  padding: 1.75rem 2rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--signal);
  background: var(--white);
  text-align: center;
}

.about-testimonial blockquote {
  margin: 0 0 0.9rem;
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--ink);
}

.about-testimonial figcaption {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-section .logo-rail {
  margin-top: 2.5rem;
}

/* Family-level technical facts sourced from a controlling specification sheet. */
.family-technical-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0 0;
}

.family-technical-grid > div {
  min-width: 0;
  padding: 1.15rem 1.2rem;
  border: 1px solid rgba(7, 27, 53, 0.13);
  border-top: 3px solid var(--signal);
  background: var(--white);
}

.family-technical-grid dt {
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
}

.family-technical-grid dd {
  margin: 0.55rem 0 0;
  color: var(--ink);
  font-size: 0.98rem;
  line-height: 1.55;
}

@media (max-width: 820px) {
  .family-technical-grid { grid-template-columns: 1fr; }
}

/* EPC-A A-Series engineering page */
.hero-art--epca img {
  transform: scale(1.16);
  transform-origin: center;
}

.epca-scroll-frame {
  position: relative;
}

.epca-scroll-cue {
  display: none;
}

.epca-opening,
.epca-electrical,
.epca-mechanical {
  --epca-line-dark: rgba(255, 255, 255, 0.16);
}

.epca-opening__head,
.epca-section-lead {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.72fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.epca-opening__head h2,
.epca-section-lead h2,
.epca-documentation h2 {
  max-width: 17ch;
  margin: 0.35rem 0 0;
  font-size: clamp(2.25rem, 4.6vw, 4.75rem);
  line-height: 0.98;
  letter-spacing: -0.038em;
  text-wrap: balance;
}

.epca-opening__head > p,
.epca-section-lead > p {
  max-width: 56ch;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.3vw, 1.18rem);
  line-height: 1.72;
  text-wrap: pretty;
}

.page-section--dark .epca-opening__head > p,
.page-section--dark .epca-section-lead > p {
  color: rgba(255, 255, 255, 0.76);
}

.epca-family-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--epca-line-dark);
  background: rgba(255, 255, 255, 0.025);
}

.epca-family-rail__model {
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  min-width: 0;
  padding: clamp(1rem, 2vw, 1.65rem);
}

.epca-family-rail__model + .epca-family-rail__model {
  border-left: 1px solid var(--epca-line-dark);
}

.epca-family-rail__image {
  display: grid;
  min-height: clamp(10rem, 17vw, 15rem);
  place-items: center;
  margin: calc(clamp(1rem, 2vw, 1.65rem) * -1) calc(clamp(1rem, 2vw, 1.65rem) * -1) 1.25rem;
  overflow: hidden;
  border-bottom: 1px solid var(--epca-line-dark);
  background:
    linear-gradient(135deg, rgba(13, 89, 173, 0.2), transparent 62%),
    #081a33;
}

.epca-family-rail__image img {
  width: 100%;
  height: clamp(10rem, 17vw, 15rem);
  padding: 0.85rem;
  object-fit: contain;
  transition: transform 340ms cubic-bezier(0.16, 1, 0.3, 1);
}

.epca-family-rail__model:hover .epca-family-rail__image img {
  transform: translateY(-0.25rem) scale(1.025);
}

.epca-family-rail__identity {
  display: flex;
  gap: 0.8rem;
  align-items: baseline;
  justify-content: space-between;
}

.epca-family-rail__identity strong {
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.035em;
}

.epca-family-rail__identity span {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.epca-family-rail__model > p {
  margin: 0.75rem 0 1rem;
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
}

.epca-family-rail__model dl {
  display: grid;
  gap: 0.7rem;
  margin: 0;
}

.epca-family-rail__model dl > div {
  display: grid;
  gap: 0.18rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--epca-line-dark);
}

.epca-family-rail__model dt {
  color: rgba(255, 255, 255, 0.55);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.epca-family-rail__model dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.84rem;
  line-height: 1.5;
}

.epca-classification-tape {
  display: flex;
  gap: 0;
  align-items: stretch;
  margin: 1rem 0 0;
  padding: 0;
  overflow-x: auto;
  border: 1px solid rgba(244, 200, 61, 0.45);
  background: var(--signal);
  list-style: none;
  scrollbar-width: thin;
}

.epca-classification-tape li {
  flex: 0 0 auto;
  padding: 0.78rem 1rem;
  color: var(--navy-deep);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.055em;
  text-transform: uppercase;
  white-space: nowrap;
}

.epca-classification-tape li + li {
  border-left: 1px solid rgba(3, 13, 32, 0.22);
}

.epca-selection .engineering-table-shell,
.epca-electrical .engineering-table-shell,
.epca-thermal .engineering-table-shell {
  margin-top: 0;
}

.epca-source-alert {
  display: grid;
  grid-template-columns: minmax(10rem, 0.32fr) minmax(0, 1fr);
  gap: 1rem 2rem;
  margin-top: 1rem;
  padding: 1rem 1.2rem;
  border: 1px solid rgba(244, 200, 61, 0.55);
  background: rgba(244, 200, 61, 0.09);
}

.epca-source-alert strong {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.epca-source-alert span {
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.6;
}

.epca-reference__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(21rem, 0.68fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: stretch;
}

.epca-reference__table {
  min-width: 0;
}

.epca-photometric-note {
  margin: 1rem 0 0;
  padding: 1rem 1.2rem;
  border: 1px solid var(--line);
  background: var(--paper-blue);
  color: var(--ink-soft);
  line-height: 1.6;
}

.epca-photometric-note strong {
  color: var(--ink);
}

.epca-switch {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--white);
}

.epca-switch a,
.epca-dimension-strip__item a,
.epca-mounting-strip__item a {
  display: block;
  overflow: hidden;
  background: #eef3f7;
}

.epca-switch a:focus-visible,
.epca-dimension-strip__item a:focus-visible,
.epca-mounting-strip__item a:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: -3px;
}

.epca-switch img {
  width: 100%;
  height: 100%;
  min-height: 19rem;
  object-fit: contain;
}

.epca-switch figcaption,
.epca-dimension-strip__item figcaption,
.epca-mounting-strip__item figcaption {
  display: grid;
  gap: 0.4rem;
  padding: 1.1rem 1.2rem 1.25rem;
}

.epca-switch figcaption strong,
.epca-dimension-strip__item figcaption strong,
.epca-mounting-strip__item figcaption strong {
  color: var(--ink);
  font-size: 1.05rem;
}

.epca-switch figcaption span,
.epca-dimension-strip__item figcaption span,
.epca-mounting-strip__item figcaption span {
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.55;
}

.epca-dimension-strip,
.epca-mounting-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--epca-line-dark);
}

.epca-dimension-strip__item,
.epca-mounting-strip__item {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
  margin: 0;
  background: var(--white);
}

.epca-dimension-strip__item + .epca-dimension-strip__item,
.epca-mounting-strip__item + .epca-mounting-strip__item {
  border-left: 1px solid var(--epca-line-dark);
}

.epca-dimension-strip__item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
}

.epca-dimension-strip__item:hover img,
.epca-mounting-strip__item:hover img {
  transform: scale(1.025);
}

.epca-mounting-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-color: var(--line);
}

.epca-mounting-strip__item + .epca-mounting-strip__item {
  border-color: var(--line);
}

.epca-mounting-strip__item img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
}

.epca-documentation__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(19rem, 0.72fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.epca-spec-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  border: 1px solid var(--line);
  background: var(--white);
}

.epca-spec-index > div {
  min-width: 0;
  padding: 1.1rem 1.2rem 1.25rem;
}

.epca-spec-index > div:nth-child(even) {
  border-left: 1px solid var(--line);
}

.epca-spec-index > div:nth-child(n + 3) {
  border-top: 1px solid var(--line);
}

.epca-spec-index dt {
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.epca-spec-index dd {
  margin: 0.5rem 0 0;
  color: var(--ink);
  font-size: 0.93rem;
  line-height: 1.58;
}

.epca-document-panel {
  position: sticky;
  top: calc(var(--header-height) + 1.25rem);
}

.epca-document-panel .button {
  width: 100%;
  margin-top: 0.65rem;
}

.epca-document-panel .button--outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.48);
}

.epca-document-panel .button--outline:hover {
  color: var(--navy-deep);
  background: var(--white);
  border-color: var(--white);
}

@media (max-width: 1080px) {
  .epca-family-rail,
  .epca-dimension-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .epca-family-rail__model:nth-child(3),
  .epca-dimension-strip__item:nth-child(3) {
    border-left: 0;
  }

  .epca-family-rail__model:nth-child(n + 3),
  .epca-dimension-strip__item:nth-child(n + 3) {
    border-top: 1px solid var(--epca-line-dark);
  }

  .epca-reference__grid {
    grid-template-columns: 1fr;
  }

  .epca-switch img {
    max-height: 34rem;
  }
}

@media (max-width: 820px) {
  .page-cta__inner > .star-border {
    width: fit-content;
    justify-self: start;
  }

  .epca-scroll-cue {
    display: flex;
    gap: 0.55rem;
    align-items: center;
    margin: 1rem 0 0.7rem;
    color: var(--ink-soft);
    font-size: 0.78rem;
    font-weight: 650;
    line-height: 1.4;
  }

  .page-section--dark .epca-scroll-cue {
    color: rgba(255, 255, 255, 0.72);
  }

  .epca-scroll-cue span {
    display: inline-grid;
    width: 1.8rem;
    height: 1.8rem;
    flex: 0 0 1.8rem;
    place-items: center;
    color: var(--navy-deep);
    border-radius: 50%;
    background: var(--signal);
    font-size: 1rem;
  }

  .epca-scroll-frame::after {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    width: 2.25rem;
    background: linear-gradient(90deg, transparent, rgba(237, 243, 249, 0.94));
    content: "";
    pointer-events: none;
  }

  .epca-scroll-frame--dark::after {
    background: linear-gradient(90deg, transparent, rgba(3, 13, 32, 0.94));
  }

  .epca-scroll-frame--signal::after {
    background: linear-gradient(90deg, transparent, rgba(244, 200, 61, 0.98));
  }

  .epca-opening__head,
  .epca-section-lead,
  .epca-documentation__grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .epca-opening__head h2,
  .epca-section-lead h2,
  .epca-documentation h2 {
    max-width: 20ch;
    font-size: clamp(2.15rem, 9vw, 3.75rem);
  }

  .epca-family-rail,
  .epca-dimension-strip,
  .epca-mounting-strip {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }

  .epca-family-rail__model,
  .epca-dimension-strip__item,
  .epca-mounting-strip__item {
    flex: 0 0 min(84vw, 21rem);
    border-top: 0 !important;
    border-left: 1px solid var(--line) !important;
    scroll-snap-align: start;
  }

  .epca-family-rail__model:first-child,
  .epca-dimension-strip__item:first-child,
  .epca-mounting-strip__item:first-child {
    border-left: 0 !important;
  }

  .epca-source-alert,
  .epca-spec-index {
    grid-template-columns: 1fr;
  }

  .epca-spec-index > div {
    border-top: 1px solid var(--line);
    border-left: 0 !important;
  }

  .epca-spec-index > div:first-child {
    border-top: 0;
  }

  .epca-document-panel {
    position: static;
  }
}

@media (max-width: 520px) {
  .epca-family-rail__model,
  .epca-dimension-strip__item,
  .epca-mounting-strip__item {
    flex-basis: min(82vw, 20rem);
  }

  .epca-family-rail__identity {
    align-items: flex-start;
    flex-direction: column;
  }

  .epca-switch img {
    min-height: 15rem;
  }

  .hero-art--epca img {
    transform: scale(1.1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .epca-family-rail__image img,
  .epca-dimension-strip__item img,
  .epca-mounting-strip__item img {
    transition: none;
  }
}

/* EPC-A engineering-page polish: source-faithful drawings, one shared zoom dialog,
   and a static classification ledger instead of decorative horizontal scrolling. */
.hero-art--epca img {
  transform: none;
  object-position: 62% center;
}

.hero-art__zoom {
  height: 100%;
}

.hero-art__zoom picture {
  display: block;
  height: 100%;
}

.hero-art__zoom:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: -3px;
}

.epca-media-trigger {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border: 0;
  background: #f5f8fb;
  cursor: zoom-in;
}

.epca-mobile-slices {
  display: none;
}

.epca-media-trigger:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: -3px;
}

.epca-family-rail__image .epca-media-trigger {
  height: 100%;
  background: transparent;
}

.epca-classification-tape {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin-top: 1rem;
  padding: 1px;
  overflow: visible;
  border: 0;
  background: rgba(3, 13, 32, 0.35);
}

.epca-classification-tape li {
  display: flex;
  min-height: 3.8rem;
  padding: 0.8rem 0.95rem;
  align-items: center;
  background: var(--signal);
  line-height: 1.45;
  white-space: normal;
}

.epca-classification-tape li + li {
  border-left: 0;
}

.epca-reference__table {
  width: 100%;
}

.epca-switch {
  margin-top: clamp(2rem, 4vw, 3.5rem);
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 3px solid var(--signal);
  background: var(--white);
  box-shadow: 0 1.4rem 3.5rem rgba(3, 19, 40, 0.08);
}

.epca-switch .epca-media-trigger {
  padding: clamp(0.75rem, 2vw, 1.5rem);
  background:
    linear-gradient(rgba(7, 52, 99, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 52, 99, 0.035) 1px, transparent 1px),
    #f8fafc;
  background-size: 3rem 3rem;
}

.epca-switch img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  object-fit: contain;
}

.epca-switch figcaption {
  display: grid;
  grid-template-columns: minmax(13rem, 0.42fr) minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1.25rem clamp(1.25rem, 3vw, 2rem) 1.45rem;
  align-items: start;
  border-top: 1px solid var(--line);
}

.epca-dimension-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 2.5vw, 2rem);
  overflow: visible;
  border: 0;
}

.epca-dimension-strip__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, 0.28fr);
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--epca-line-dark) !important;
  background: var(--white);
}

.epca-dimension-strip__item:first-child {
  border-left: 1px solid var(--epca-line-dark) !important;
}

.epca-dimension-strip__item .epca-media-trigger {
  display: grid;
  min-height: clamp(15rem, 24vw, 24rem);
  padding: clamp(0.9rem, 2vw, 1.75rem);
  place-items: center;
  background:
    linear-gradient(rgba(7, 52, 99, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 52, 99, 0.035) 1px, transparent 1px),
    #f8fafc;
  background-size: 3rem 3rem;
}

.epca-dimension-strip__item img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  padding: 0;
  object-fit: contain;
}

.epca-dimension-strip__item figcaption {
  align-content: center;
  border-left: 1px solid var(--line);
  background: var(--white);
}

.epca-mounting-strip {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
  overflow: visible;
  border: 0;
}

.epca-mounting-strip__item {
  display: grid;
  grid-column: 1 / -1;
  grid-template-rows: auto 1fr;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line) !important;
  background: var(--white);
}

.epca-mounting-strip__item:first-child,
.epca-mounting-strip__item:nth-child(4) {
  grid-column: 1 / -1;
  border-left: 1px solid var(--line) !important;
}

.epca-mounting-strip__item .epca-media-trigger {
  display: grid;
  min-height: clamp(18rem, 28vw, 30rem);
  padding: clamp(0.9rem, 2vw, 1.5rem);
  place-items: center;
  background:
    linear-gradient(rgba(7, 52, 99, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 52, 99, 0.035) 1px, transparent 1px),
    #f8fafc;
  background-size: 3rem 3rem;
}

.epca-mounting-strip__item img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 42rem;
  aspect-ratio: auto;
  padding: 0;
  object-fit: contain;
}

.epca-mounting-strip__item figcaption {
  border-top: 1px solid var(--line);
}

.project-lightbox {
  height: min(92dvh, 64rem);
}

@media (max-width: 1100px) {
  .epca-classification-tape {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .epca-dimension-strip__item {
    grid-template-columns: 1fr;
  }

  .epca-dimension-strip__item figcaption {
    border-top: 1px solid var(--line);
    border-left: 0;
  }
}

@media (max-width: 900px) {
  .epca-dimension-strip,
  .epca-mounting-strip {
    display: grid;
    grid-template-columns: 1fr;
    overflow: visible;
    scroll-snap-type: none;
  }

  .epca-dimension-strip__item,
  .epca-dimension-strip__item:first-child,
  .epca-mounting-strip__item,
  .epca-mounting-strip__item:first-child,
  .epca-mounting-strip__item:nth-child(4) {
    grid-column: auto;
    flex: initial;
    border: 1px solid var(--line) !important;
    scroll-snap-align: none;
  }

  .epca-switch figcaption {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }
}

@media (max-width: 680px) {
  .epca-classification-tape {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .epca-dimension-strip__item .epca-media-trigger,
  .epca-mounting-strip__item .epca-media-trigger {
    min-height: 14rem;
  }

  .epca-media-trigger--sliced > .epca-source-image {
    display: none;
  }

  .epca-mobile-slices {
    display: grid;
    width: 100%;
    gap: 0.65rem;
  }

  .epca-mobile-slices__panel {
    position: relative;
    display: block;
    width: 100%;
    overflow: hidden;
    aspect-ratio: var(--epca-slice-ratio);
    border: 1px solid rgba(7, 52, 99, 0.14);
    background: var(--white);
  }

  .epca-mobile-slices__panel img {
    position: absolute;
    top: 0;
    left: calc(var(--epca-slice-index) * -100%);
    display: block;
    width: calc(var(--epca-slices) * 100%);
    max-width: none;
    height: auto;
    max-height: none;
    padding: 0;
    object-fit: fill;
    transform: none !important;
  }

  .epca-media-trigger--sliced::after {
    position: absolute;
    right: 0.65rem;
    bottom: 0.65rem;
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    color: var(--navy-deep);
    background: var(--signal);
    box-shadow: 0 0.5rem 1.5rem rgba(3, 19, 40, 0.22);
    content: "+";
    font-family: var(--font-mono);
    font-size: 1.35rem;
    font-weight: 800;
    pointer-events: none;
  }

  .project-lightbox--technical {
    overflow: hidden;
  }

  .project-lightbox--technical figure {
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto;
    overflow: auto;
    overscroll-behavior: contain;
  }

  .project-lightbox--technical img {
    width: max(70rem, 260vw);
    max-width: none;
    height: auto;
    min-height: 0;
    max-height: none;
    padding: 1rem;
    align-self: start;
    object-fit: initial;
  }

  .project-lightbox--technical figcaption {
    position: sticky;
    z-index: 1;
    bottom: 0;
    left: 0;
    width: calc(94vw - 2px);
    min-width: calc(94vw - 2px);
    max-width: calc(94vw - 2px);
    background: #030d1d;
    white-space: normal;
  }

  body:has(.epca-opening) .maes-chat-launcher-wrap {
    right: -0.35rem !important;
    bottom: calc(4.75rem + env(safe-area-inset-bottom, 0px)) !important;
  }

  body:has(.epca-opening) .maes-chat-launcher {
    width: 2.75rem !important;
    height: 2.75rem !important;
  }

  body:has(.epca-opening) .maes-chat-launcher-label {
    display: none !important;
  }

body:has(.epca-opening) .scroll-top {
    right: -0.3rem;
    bottom: calc(8rem + env(safe-area-inset-bottom, 0px));
    opacity: 0.72;
  }
}

/* EPC-B follows the EPC-A engineering-page system with B-Series-specific media. */
.hero-art--epcb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.epcb-family-rail .epca-family-rail__image {
  background: linear-gradient(145deg, #fff 0%, #eef1f3 100%);
}

.epcb-family-rail .epca-family-rail__image img {
  object-fit: contain;
  padding: clamp(0.8rem, 2vw, 1.5rem);
}

.epcb-reference-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.epcb-reference-grid .epca-switch {
  height: 100%;
}

.epcb-reference-grid .epca-switch img {
  aspect-ratio: 955 / 875;
  object-fit: contain;
  background: #fff;
}

.epcb-dimension-strip {
  grid-template-columns: minmax(0, 1fr);
  max-width: 76rem;
  margin-inline: auto;
}

.epcb-dimension-strip .epcb-drawing-card {
  border-left: 1px solid var(--epca-line-dark) !important;
}

.epcb-dimension-strip .epcb-drawing-card img {
  width: 100%;
  max-height: 52rem;
  object-fit: contain;
}

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

.epcb-mounting-strip .epca-mounting-strip__item:nth-child(2) {
  border-left: 1px solid rgba(14, 24, 36, 0.12);
}

@media (max-width: 760px) {
  .epcb-reference-grid,
  .epcb-mounting-strip {
    grid-template-columns: minmax(0, 1fr);
  }

  .epcb-mounting-strip .epca-mounting-strip__item:nth-child(2) {
    border-left: 0;
    border-top: 1px solid rgba(14, 24, 36, 0.12);
  }

  .epcb-reference-grid .epca-switch img {
    aspect-ratio: auto;
  }
}

@media (max-width: 340px) {
  .epca-classification-tape {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .epca-family-rail__image img,
  .epca-dimension-strip__item img,
  .epca-mounting-strip__item img {
    transition: none;
  }
}
