/* Shared brand presentation for every migrated route and the homepage. */
.media-heading { display: flex; justify-content: space-between; align-items: end; flex-wrap: wrap; gap: 1.5rem; margin-bottom: 2rem; }
.media-heading .eyebrow { color: var(--red); margin-bottom: 1rem; }
.gallery-more { font-size: 1rem; line-height: 1.6; text-decoration: underline; text-underline-offset: .3em; }
.photo-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.home-media .photo-gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gallery-photo { min-width: 0; }
.gallery-photo > a { display: block; background: var(--cloud); }
.gallery-photo img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; }
.photo-gallery--single { grid-template-columns: minmax(0, 1fr); }
.gallery-photo--uncropped img { aspect-ratio: auto; object-fit: contain; }
.gallery-photo--portrait { align-self: start; max-width: 27rem; }
.gallery-photo--portrait img { max-height: 34rem; object-fit: contain; }
.gallery-photo figcaption { padding: .9rem 0; border-bottom: 1px solid var(--line); font: 400 .9375rem/1.6 var(--body); }
.gallery-photo > a:hover { outline: 2px solid var(--red); outline-offset: 3px; }
@media (max-width: 760px) {
  .home-media .photo-gallery { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .photo-gallery { grid-template-columns: 1fr; }
}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.site-header { position: relative; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 2rem; min-height: 7.3rem; padding: 1.4rem max(6%, calc((100vw - 1400px) / 2)); background: var(--white); color: var(--navy); border-top: 5px solid var(--red); border-bottom: 1px solid var(--line); }
.actual-brand { display: block; flex-shrink: 0; width: 17rem; max-width: 62vw; line-height: 0; }
.logo-window { display: block; position: relative; overflow: hidden; width: 100%; aspect-ratio: 1535 / 397; }
.logo-window img { position: absolute; display: block; width: 133.4201954397%; max-width: none; height: auto; left: -16.7426710098%; top: -207.8085642317%; }
.desktop-nav { display: flex; gap: 2rem; align-items: center; }
.nav-group { position: relative; }
.nav-group > summary, .mobile-nav > summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: .85rem; min-height: 2.75rem; padding: .8rem 0; font: 400 .875rem/1.5 var(--label); text-transform: uppercase; letter-spacing: .035em; }
.nav-group summary::-webkit-details-marker, .mobile-nav summary::-webkit-details-marker { display: none; }
.nav-group > summary > span, .mobile-nav > summary > span { color: var(--red); font: 400 1.35rem/1 var(--body); }
.nav-group[open] > summary > span, .mobile-nav[open] > summary > span { transform: rotate(45deg); }
.nav-contact { background: var(--red); color: var(--white); padding: .85rem 1.2rem; min-height: 3rem; font: 700 .9375rem/1.5 var(--body); }
.nav-contact:hover { background: var(--navy); }
.nav-panel { position: absolute; top: 100%; left: -1rem; width: 18rem; padding: .75rem; background: var(--white); border: 1px solid var(--line); border-top: 3px solid var(--red); box-shadow: 0 16px 36px #112f471f; max-height: 70vh; overflow: auto; }
.nav-panel a { display: block; min-height: 2.75rem; padding: .8rem; font-size: .9375rem; line-height: 1.5; }
.nav-panel a:hover, .nav-panel a[aria-current=page] { background: var(--cloud); color: var(--red); }
.products-nav-panel { width: 27rem; max-width: calc(100vw - 2rem); }
.product-menu-method > summary, .product-menu-branch > summary, .mobile-products > summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 1rem; cursor: pointer; min-height: 3rem; padding: .9rem .8rem; font: 400 .875rem/1.5 var(--label); }
.product-menu-method > summary { border-bottom: 1px solid var(--line); }
.product-menu-branch > summary { font-family: var(--body); font-weight: 600; }
.product-menu-method > summary > span, .product-menu-branch > summary > span, .mobile-products > summary > span { flex-shrink: 0; color: var(--red); font: 400 1.35rem/1 var(--body); }
.product-menu-method[open] > summary > span, .product-menu-branch[open] > summary > span, .mobile-products[open] > summary > span { transform: rotate(45deg); }
.product-menu-method > summary:hover, .product-menu-branch > summary:hover { background: var(--cloud); }
.product-menu-groups { padding: .3rem 0 .3rem .6rem; }
.product-menu-items { margin: 0 .4rem .7rem; padding-left: .6rem; border-left: 2px solid var(--red); }
.product-menu-items .product-menu-link { display: flex; align-items: center; justify-content: space-between; gap: .8rem; width: 100%; padding: .8rem .6rem; border: 0; border-bottom: 1px solid var(--line); background: var(--white); color: var(--navy); text-align: left; font: 400 .9375rem/1.5 var(--body); }
.product-menu-link > span:first-child { min-width: 0; overflow-wrap: anywhere; }
.product-menu-link small { display: block; margin-top: .25rem; color: var(--muted); font-size: .8125rem; line-height: 1.5; }
.product-menu-link small:empty { display: none; }
.product-menu-link .menu-pdf { flex-shrink: 0; font: 400 .65rem/1.5 var(--label); color: var(--red); }
.product-menu-items .product-menu-link:hover { background: var(--cloud); }
.product-menu-items .product-menu-link:disabled { cursor: default; color: var(--muted); background: var(--cloud); }
.product-menu-more { border-top: 1px solid var(--line); margin-top: .65rem; padding-top: .4rem; }
.product-menu-method summary:focus-visible, .product-menu-branch summary:focus-visible, .mobile-products > summary:focus-visible, .product-menu-link:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
.mobile-nav { display: none; }
.site-footer { display: grid; grid-template-columns: 1.3fr 1fr .8fr 1fr; align-items: start; gap: 2.5rem; padding: 4rem max(6%, calc((100vw - 1400px) / 2)) 1.8rem; background: var(--navy); color: var(--white); border-top: 1px solid #41596c; }
.footer-identity .actual-brand { width: 16rem; max-width: 100%; margin-bottom: 1.6rem; }
.footer-identity p { color: #d5dce2; font-size: .875rem; line-height: 1.75; margin: .8rem 0; }
.footer-identity>a:last-child { font-size: .9375rem; line-height: 1.65; overflow-wrap: anywhere; }
.footer-column h2 { font: 400 .875rem/1.5 var(--label); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 1rem; color: var(--white); }
.footer-column a { display: block; font-size: .875rem; line-height: 1.65; padding: .5rem 0; width: fit-content; }
.footer-column a:hover, .footer-identity>a:last-child:hover { color: var(--white); text-decoration: underline; text-underline-offset: .2em; }
.footer-bottom { grid-column: 1/-1; display: flex; justify-content: space-between; align-items: start; gap: 1.5rem; border-top: 1px solid #41596c; padding-top: 1.5rem; }
.footer-bottom p { font-size: .8125rem; line-height: 1.7; color: #d5dce2; }
.footer-bottom a { font-size: .875rem; line-height: 1.7; flex-shrink: 0; }
.page-hero { padding: 1.7rem max(7%, calc((100vw - 1375px) / 2)) 3.6rem; background: var(--navy); color: var(--white); border-bottom: 5px solid var(--red); }
.breadcrumbs { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem; font-size: .875rem; line-height: 1.7; margin-bottom: 2.5rem; color: #d5dce2; }
.breadcrumbs a:hover { text-decoration: underline; text-underline-offset: .25em; }
.page-hero .eyebrow { color: #d5dce2; margin-bottom: 1rem; }
.page-hero h1 { font-size: clamp(2.3rem, 4.6vw, 4.5rem); line-height: 1.13; max-width: 65rem; }
.page-heading-note { margin-top: .75rem; font: 400 .875rem/1.6 var(--body); color: #b7c5d0; }
.page-intro { max-width: 48rem; font-size: 1.125rem; line-height: 1.8; color: #d5dce2; margin-top: 1.5rem; }
.page-hero .button { margin-top: 1.75rem; }
.product-hero-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.product-hero-copy { min-width: 0; }
.product-packaging { width: 100%; max-width: 28rem; justify-self: end; background: var(--white); color: var(--navy); }
.product-packaging a { display: block; }
.product-packaging img { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: contain; }
.product-packaging figcaption { padding: .85rem 1.25rem; border-top: 1px solid var(--line); font: 400 .875rem/1.6 var(--label); }
.product-packaging a:hover { outline: 2px solid var(--red); outline-offset: 3px; }
@media(max-width: 760px) {
  .product-hero-layout { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .product-packaging { max-width: 24rem; justify-self: center; }
}
.page-layout { display: grid; grid-template-columns: minmax(0,1fr) 17.5rem; gap: 4rem; padding: 3.75rem 7% 5.5rem; max-width: 1600px; margin: auto; }
.page-article { min-width: 0; }
.content-section { margin-bottom: 3rem; }
.content-section:last-child { margin-bottom: 0; }
.product-detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .65fr); align-items: start; gap: 1.5rem; }
.product-detail-copy { min-width: 0; }
.section-packaging { max-width: 22rem; margin-top: 3.7rem; }
.product-detail-layout .spec-table th, .product-detail-layout .spec-table td { padding: .9rem .75rem; overflow-wrap: anywhere; }
@media(max-width:760px) {
  .product-detail-layout { grid-template-columns: minmax(0, 1fr); gap: 1rem; }
  .section-packaging { margin-top: 0; justify-self: center; }
}
.content-section h2 { font-size: clamp(1.6rem, 2.3vw, 2.2rem); line-height: 1.25; margin-bottom: 1.4rem; }
.content-section h3 { font-size: 1.125rem; font-weight: 700; line-height: 1.5; }
.content-section p { font-size: 1rem; line-height: 1.85; color: var(--muted); margin-bottom: 1.1rem; overflow-wrap: anywhere; }
.body-list { padding-left: 1.4rem; margin: 1.5rem 0; display: grid; gap: .85rem; }
.body-list li { padding-left: .35rem; font-size: 1rem; line-height: 1.8; color: var(--muted); }
.body-list li::marker { color: var(--red); }
.spec-table { width: 100%; border-collapse: collapse; margin: 1.5rem 0 1.75rem; font-size: 1rem; border-top: 3px solid var(--navy); }
.spec-table th, .spec-table td { padding: 1.1rem 1.25rem; vertical-align: top; text-align: left; line-height: 1.7; border-bottom: 1px solid var(--line); }
.spec-table th { font-weight: 700; width: 43%; background: var(--cloud); }
.table-scroll { width: 100%; overflow-x: auto; }
.text-links { display: flex; flex-wrap: wrap; gap: .75rem 1.6rem; margin: 1.6rem 0; }
.text-links a { color: var(--red); font-size: .9375rem; font-weight: 700; line-height: 1.75; text-decoration: underline; text-underline-offset: .25em; padding: .5rem 0; min-height: 2.75rem; overflow-wrap: anywhere; }
.text-links a:hover { color: var(--navy); }
.source-image { margin: 2rem 0; padding: 1.25rem; background: var(--cloud); }
.source-image img { display: block; width: 100%; height: auto; max-height: 34rem; object-fit: contain; }
.source-image figcaption { font-size: .875rem; color: var(--muted); margin-top: 1rem; line-height: 1.7; }
.image-factory, .image-plant { padding: 0; background: transparent; }
.image-factory img, .image-plant img { max-height: none; }
.sidebar-box { border-top: 3px solid var(--red); padding: 1.6rem; background: var(--cloud); }
.sidebar-box h2 { font: 400 .875rem/1.5 var(--label); text-transform: uppercase; letter-spacing: .07em; margin-bottom: 1rem; }
.sidebar-box a { display: block; padding: .8rem 0; border-bottom: 1px solid var(--line); font-size: .9375rem; line-height: 1.6; }
.sidebar-box a:last-child { border: 0; }
.sidebar-box a[aria-current=page] { color: var(--red); font-weight: 700; }
.sidebar-box a:hover { color: var(--red); }
.sidebar-contact { margin-top: 1.75rem; padding: 1.6rem; border: 1px solid var(--line); }
.sidebar-contact h2 { font-size: 1.6rem; line-height: 1.25; }
.sidebar-contact p { margin-top: 1rem; font-size: 1rem; line-height: 1.75; color: var(--muted); }
.sidebar-contact .button { width: 100%; margin-top: 1.4rem; padding: .9rem 1rem; font-size: .875rem; }
.link-cards { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
.link-cards>a { border: 1px solid var(--line); border-top: 3px solid var(--navy); padding: 1.5rem; position: relative; background: var(--white); transition: background .18s, border-color .18s; min-height: 10rem; }
.link-cards>a>span:first-child { display: block; font-family: var(--display); font-weight: 700; font-size: 1.4rem; line-height: 1.3; }
.link-cards>a>p { font-size: .9375rem; line-height: 1.7; color: var(--muted); margin: .85rem 0 1.25rem; }
.link-cards>a:hover { background: var(--cloud); border-top-color: var(--red); }
.card-arrow { position: absolute; right: 1.3rem; bottom: 1rem; color: var(--red); font-size: 1.5rem; }
.home-resources { display: grid; grid-template-columns: 1fr 1.25fr; gap: 6%; align-items: center; }
.home-resources h2 { font-size: clamp(2rem, 3.1vw, 3rem); }
.embed-block { border: 1px solid var(--line); border-top: 3px solid var(--navy); margin: 1.6rem 0; background: var(--cloud); }
.embed-title { display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; padding: 1.1rem 1.4rem; }
.embed-title h3 { font-size: 1rem; }
.embed-title a { flex-shrink: 0; font-size: .875rem; line-height: 1.7; padding: .5rem 0; text-decoration: underline; color: var(--red); }
.embed { display: block; width: 100%; border: 0; background: var(--white); }
.embed-pdf { height: 700px; }
.embed-sheet { height: 820px; }
.embed-map { height: 470px; }
.embed-form { height: 1950px; }
@media(max-width:1100px) {
  .desktop-nav { gap: 1.25rem; }
  .actual-brand { width: 15rem; }
  .site-header { gap: 1.3rem; }
  .page-layout { gap: 2.2rem; grid-template-columns: minmax(0,1fr) 15rem; padding-left: 6%; padding-right: 6%; }
  .sidebar-box, .sidebar-contact { padding: 1.25rem; }
  .site-footer { grid-template-columns: 1fr 1fr 1fr; }
  .footer-identity { grid-column: 1/-1; }
  .home-resources { grid-template-columns: 1fr; gap: 2rem; }
}
@media(max-width:1100px) {
  .site-header { min-height: 6.5rem; padding: 1.2rem 6%; }
  .desktop-nav { display: none; }
  .mobile-nav { display: block; }
  .mobile-nav > summary { min-width: 4.7rem; justify-content: space-between; }
  .mobile-panel { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: 1.5rem; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); padding: 1.5rem 6% 2rem; border-bottom: 3px solid var(--red); box-shadow: 0 16px 30px #112f471f; max-height: 75vh; overflow: auto; }
  .mobile-products { grid-column: 1 / -1; min-width: 0; }
  .mobile-products > summary { color: var(--red); padding-left: 0; padding-right: 0; text-transform: uppercase; }
  .mobile-group h2 { font: 400 .875rem/1.5 var(--label); text-transform: uppercase; letter-spacing: .07em; color: var(--red); margin-bottom: 1rem; }
  .mobile-group a { display: block; padding: .7rem 0; font-size: .9375rem; line-height: 1.6; }
  .mobile-group a[aria-current=page] { color: var(--red); }
  .page-layout { grid-template-columns: minmax(0,1fr); padding: 3rem 7% 4rem; }
  .page-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .sidebar-contact { margin-top: 0; }
}
@media(max-width:600px) {
  .site-header { padding: 1.15rem 7%; min-height: 6rem; gap: 1rem; }
  .actual-brand { width: 13rem; max-width: 61vw; }
  .mobile-panel { grid-template-columns: 1fr; padding-left: 7%; padding-right: 7%; }
  .mobile-group { border-top: 1px solid var(--line); padding-top: 1rem; }
  .mobile-group a { min-height: 2.75rem; font-size: 1rem; }
  .page-hero { padding: 1.4rem 7% 2.5rem; }
  .breadcrumbs { font-size: .875rem; gap: .5rem; margin-bottom: 1.8rem; }
  .page-hero h1 { font-size: clamp(2rem, 8.5vw, 3rem); }
  .page-intro { font-size: 1rem; margin-top: 1.2rem; }
  .page-sidebar { grid-template-columns: 1fr; }
  .link-cards { grid-template-columns: 1fr; }
  .link-cards>a { min-height: 9rem; }
  .spec-table th, .spec-table td { padding: .9rem .75rem; font-size: 1rem; overflow-wrap: anywhere; }
  .spec-table th { width: 41%; }
  .embed-title { display: block; padding: 1rem; }
  .embed-title a { display: inline-block; margin-top: .5rem; }
  .embed-pdf { height: 570px; }
  .embed-sheet { height: 800px; }
  .embed-form { height: 2130px; }
  .site-footer { grid-template-columns: 1fr 1fr; gap: 2rem 1.4rem; padding: 3rem 7% 1.6rem; }
  .footer-bottom p { max-width: 65%; }
  .footer-bottom { gap: 1rem; }
}

/* Product actions open the original specification PDFs directly. */
.product-spec-row { grid-template-columns: 2rem minmax(0, 1fr) auto; }
.product-spec-row h3 small { margin-top: .5rem; font-size: 1rem; }
.spec-action { display: inline-flex; align-items: center; justify-content: center; gap: .65rem; padding: .8rem 1rem; color: var(--red); border: 1px solid var(--red); font-size: .9375rem; font-weight: 600; line-height: 1.5; white-space: nowrap; }
.pdf-label { font-family: var(--label); font-size: .75rem; letter-spacing: .03em; }
.product-spec-row:hover .spec-action, .product-spec-card:hover .spec-action { color: var(--white); background: var(--red); }
.product-spec-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; margin: 1.5rem 0 2rem; }
.product-spec-card { display: flex; flex-direction: column; align-items: flex-start; border: 1px solid var(--line); border-top: 3px solid var(--navy); padding: 1.5rem; min-width: 0; background: var(--white); }
.product-spec-card h3 { font-family: var(--display); font-size: 1.4rem; line-height: 1.35; font-weight: 700; }
.product-spec-card p { margin: .8rem 0 1.4rem; font-size: 1rem; line-height: 1.7; color: var(--muted); }
.product-spec-card .spec-action { margin-top: auto; }
.product-spec-card:hover { border-top-color: var(--red); }
@media(max-width:760px) {
  .product-spec-row { grid-template-columns: 1.4rem minmax(0,1fr); gap: .7rem; }
  .product-spec-row .spec-action { grid-column: 2; width: fit-content; justify-content: flex-start; margin-top: .5rem; }
  .product-spec-row .product-number { align-self: start; padding-top: .2rem; }
}
@media(max-width:600px) {
  .product-spec-grid { grid-template-columns: 1fr; }
  .product-spec-card { padding: 1.25rem; }
  .spec-action { white-space: normal; flex-wrap: wrap; }
}

/* Homepage product categories; PDF destinations are assigned by the owner. */
.product-finder { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(2rem, 4vw, 4rem); align-items: start; }
.furnace-explorer { min-width: 0; }
.furnace-scene { position: relative; width: 100%; aspect-ratio: 1; }
.furnace-scene>img { display: block; width: 100%; height: auto; }
.furnace-hotspot { position: absolute; left: var(--pin-x); top: var(--pin-y); width: 2.875rem; height: 2.875rem; transform: translate(-50%, -50%); display: grid; place-items: center; background: var(--white); color: var(--navy); border: 2px solid var(--navy); border-radius: 50%; box-shadow: 0 2px 12px #112f4730; z-index: 1; }
.furnace-plus { font: 400 1.6rem/1 var(--label); }
.furnace-hotspot-label { position: absolute; left: 50%; bottom: calc(100% + .65rem); transform: translateX(-50%); width: max-content; max-width: 11rem; padding: .55rem .75rem; background: var(--navy); color: var(--white); font: 600 .875rem/1.5 var(--body); text-align: center; border-radius: .2rem; opacity: 0; visibility: hidden; pointer-events: none; }
.furnace-hotspot:hover, .furnace-hotspot:focus-visible { color: var(--white); background: var(--red); border-color: var(--white); z-index: 2; }
.furnace-hotspot:focus-visible { outline: 3px solid var(--navy); outline-offset: 3px; }
.furnace-hotspot:hover .furnace-hotspot-label, .furnace-hotspot:focus-visible .furnace-hotspot-label { opacity: 1; visibility: visible; }
.furnace-explorer figcaption { color: var(--muted); font: 400 .9375rem/1.7 var(--body); text-align: center; margin: .75rem 0 1.25rem; }
.furnace-inline-plus { font-family: var(--label); }
.compact-product-sheets { display: none; }
.furnace-product-links { display: grid; gap: .65rem; }
.furnace-product-links>a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .25rem .75rem; padding: .9rem 1.1rem; background: var(--white); border: 1px solid var(--line); }
.furnace-product-links>a>span:first-child { font-size: 1rem; font-weight: 600; line-height: 1.5; }
.furnace-product-links small { grid-column: 1; color: var(--muted); font-size: .8125rem; line-height: 1.6; }
.furnace-link-arrow { grid-column: 2; grid-row: 1 / 3; align-self: center; }
.furnace-product-links>a:hover { border-color: var(--red); color: var(--red); }
.product-finder .product-categories { grid-template-columns: minmax(0, 1fr); }
.product-categories { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; align-items: start; }
.product-category { min-width: 0; border-top: 3px solid var(--red); padding-top: 1.5rem; }
.product-category h3 { font-family: var(--display); font-size: clamp(1.4rem, 2.1vw, 1.85rem); line-height: 1.4; font-weight: 700; margin-bottom: 1.5rem; }
.category-product-buttons { display: grid; gap: .9rem; }
.category-product-button { display: flex; justify-content: space-between; align-items: center; gap: 1rem; width: 100%; min-height: 4.4rem; padding: 1.2rem 1.35rem; border: 1px solid var(--navy); border-radius: 0; background: var(--white); color: var(--navy); font-family: var(--body); font-size: 1rem; font-weight: 600; line-height: 1.6; text-align: left; }
.category-product-button:disabled { opacity: 1; cursor: default; border-color: var(--line); }
.category-product-button[href]:hover { color: var(--white); background: var(--navy); }
.category-pdf-label { font-family: var(--label); font-size: .875rem; white-space: nowrap; }
@media(max-width:1000px) {
  .product-finder { grid-template-columns: minmax(0, 1fr); }
  .furnace-explorer { width: 100%; max-width: 40rem; justify-self: center; }
  .product-finder .product-categories { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media(max-width:760px) {
  .product-categories { grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
  .product-finder .product-categories { grid-template-columns: minmax(0, 1fr); }
  .furnace-hotspot-label { max-width: 9rem; font-size: .8125rem; }
  .category-product-button { padding: 1.1rem; }
}

/* Compact viewing keeps product details available without crowding the diagram. */
@media (max-width: 1100px) {
  .product-finder { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
  .furnace-explorer { width: 100%; max-width: 34rem; justify-self: center; }
  .furnace-product-links, .product-finder > .product-categories { display: none; }
  .compact-product-sheets { display: block; width: 100%; min-width: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .compact-product-sheets > summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 3.5rem; padding: 1rem 0; cursor: pointer; list-style: none; font: 600 1rem/1.5 var(--body); }
  .compact-product-sheets > summary::-webkit-details-marker { display: none; }
  .compact-product-sheets > summary > span { color: var(--red); font: 400 1.5rem/1 var(--label); }
  .compact-product-sheets[open] > summary > span { transform: rotate(45deg); }
  .compact-product-sheets > summary:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }
  .compact-product-sheets > .product-categories { margin: .75rem 0 1.5rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .furnace-hotspot { min-width: 2.75rem; min-height: 2.75rem; }
  .mobile-panel { max-height: calc(100dvh - 7rem); overscroll-behavior: contain; }
  .page-layout { grid-template-columns: minmax(0, 1fr); }
  .page-sidebar { display: block; }
  .page-sidebar .sidebar-box { display: none; }
  .sidebar-contact { margin-top: 0; }
  .footer-column a[href$=".pdf"] { display: none; }
  .footer-column a, .footer-identity > a:last-child { min-height: 2.75rem; overflow-wrap: anywhere; }
  .embed-title { flex-wrap: wrap; }
  .spec-table { table-layout: fixed; }
  .spec-table th, .spec-table td { overflow-wrap: anywhere; }
}
@media (max-width: 760px) {
  .compact-product-sheets > .product-categories { grid-template-columns: minmax(0, 1fr); gap: 1.75rem; }
  .product-packaging { max-width: 18rem; }
  .page-layout { padding-top: 2rem; padding-bottom: 3rem; gap: 2rem; }
  .content-section { margin-bottom: 2.25rem; }
  .breadcrumbs { row-gap: .35rem; overflow-wrap: anywhere; }
  .embed-map { height: 20rem; }
}
@media (max-width: 480px) {
  .site-header { min-height: 5.5rem; padding-top: .85rem; padding-bottom: .85rem; }
  .actual-brand { width: 12rem; }
  .site-header > .actual-brand { max-width: calc(100% - 6rem); }
  .hero-copy { padding-top: 2.25rem; padding-bottom: 2.5rem; }
  .hero-description { font-size: 1rem; }
  .hero-integration-caption { max-width: 29rem; }
  .section-wrap { padding-top: 3rem; padding-bottom: 3rem; }
  .product-packaging { max-width: 16rem; }
  .product-spec-card h3 { font-size: 1.25rem; overflow-wrap: anywhere; }
  .site-footer { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
  .footer-column { border-top: 1px solid #41596c; padding-top: 1.5rem; }
  .footer-bottom { flex-direction: column; }
  .footer-bottom p { max-width: none; }
}