.bt-product { font-family: Arial, sans-serif; color: #23303b; background: #f5f7f8; }
.bt-product * { box-sizing: border-box; }
.bt-product { margin: 0; line-height: 1.55; }
.bt-product a { color: #075f76; }
.bt-product img { max-width: 100%; display: block; }
.bt-product .wrap { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.bt-product .site-head { background: white; border-bottom: 1px solid #dfe6e9; }
.bt-product .site-head .wrap { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.bt-product .brand { color: #144859; font-size: 23px; font-weight: 800; text-decoration: none; letter-spacing: .03em; }
.bt-product .nav { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; }
.bt-product .nav a { color: #23303b; text-decoration: none; }
.bt-product .breadcrumbs { padding: 20px 0; font-size: 13px; color: #61717c; }
.bt-product .breadcrumbs a { color: inherit; }
.bt-product .breadcrumbs span { margin: 0 8px; }
.bt-product .hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 38px; align-items: center; padding: 24px 0 64px; }
.bt-product .hero > * { min-width: 0; }
.bt-product .hero-stage { position: relative; }
.bt-product .hero-image { min-height: 390px; border-radius: 18px; background: #e9eef0; display: grid; place-items: center; overflow: hidden; }
.bt-product .hero-image .slide { width: 100%; padding: 0; border: 0; background: transparent; cursor: zoom-in; }
.bt-product .hero-image .slide:focus-visible, .bt-product .photo-zoom:focus-visible { outline: 3px solid #0d637b; outline-offset: -3px; }
.bt-product .hero-image img { width: 100%; height: 390px; object-fit: contain; }
.bt-product .slide[hidden] { display: none !important; }
.bt-product .carousel-controls { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 13px; }
.bt-product .carousel-controls button { min-width: 44px; min-height: 44px; border: 1px solid #afc5ce; border-radius: 7px; background: white; color: #173d4d; font-size: 23px; cursor: pointer; }
.bt-product .carousel-controls button:hover, .bt-product .carousel-controls button:focus-visible { border-color: #0d637b; outline: 2px solid #0d637b; outline-offset: 2px; }
.bt-product .carousel-count { color: #61717c; font-size: 14px; white-space: nowrap; }
.bt-product .carousel-thumbs { display: flex; gap: 10px; margin-top: 12px; overflow-x: auto; padding: 3px; scrollbar-width: none; }
.bt-product .carousel-thumbs::-webkit-scrollbar { display: none; }
.bt-product .carousel-thumbs button { flex: 0 0 82px; height: 64px; padding: 2px; border: 2px solid transparent; border-radius: 6px; background: #e9eef0; cursor: pointer; }
.bt-product .carousel-thumbs button[aria-current="true"] { border-color: #0d637b; }
.bt-product .carousel-thumbs img { width: 100%; height: 100%; object-fit: contain; }
.bt-product .hero-carousel .carousel-controls { position: absolute; inset: 0; margin: 0; display: block; pointer-events: none; }
.bt-product .hero-carousel .carousel-controls button { position: absolute; top: 50%; transform: translateY(-50%); pointer-events: auto; box-shadow: 0 2px 10px #173d4d2b; }
.bt-product .hero-carousel .carousel-controls [data-prev] { left: -22px; }
.bt-product .hero-carousel .carousel-controls [data-next] { right: -22px; }
.bt-product .hero-carousel .carousel-thumbs { justify-content: center; margin-top: 5px; }
.bt-product .eyebrow { color: #0c7288; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.bt-product h1 { margin: 12px 0 20px; font-size: clamp(30px, 4vw, 48px); line-height: 1.12; color: #173d4d; }
.bt-product h2 { margin: 0 0 20px; font-size: clamp(26px, 3vw, 34px); line-height: 1.2; color: #173d4d; }
.bt-product h3 { margin: 0 0 9px; font-size: 19px; color: #173d4d; }
.bt-product p { margin: 0 0 16px; }
.bt-product .lead { font-size: 19px; }
.bt-product .facts { display: flex; gap: 10px; flex-wrap: wrap; margin: 24px 0; }
.bt-product .facts span { border: 1px solid #cbdbe0; border-radius: 999px; padding: 8px 14px; background: white; font-size: 14px; }
.bt-product .button { display: inline-block; padding: 13px 22px; border-radius: 6px; background: #0d637b; color: white; font-weight: 700; text-decoration: none; }
.bt-product .muted { color: #61717c; font-size: 14px; }
.bt-product section.band { padding: 62px 0; background: white; }
.bt-product section.band:nth-of-type(even) { background: #edf3f5; }
.bt-product .section-intro { max-width: 760px; }
.bt-product .cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.bt-product .card { background: white; padding: 24px; border: 1px solid #dce6ea; border-radius: 12px; }
.bt-product .process { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 24px; }
.bt-product .step { border-top: 3px solid #0d637b; padding-top: 18px; }
.bt-product .step b { display: block; color: #0d637b; font-size: 13px; margin-bottom: 8px; }
.bt-product figure { margin: 0; }
.bt-product .photo-loop-window { overflow: hidden; cursor: grab; touch-action: pan-y; user-select: none; }
.bt-product .photo-loop-window.is-dragging { cursor: grabbing; }
.bt-product .photo-loop-track { display: flex; width: max-content; will-change: transform; }
.bt-product .photo-loop-group { display: flex; flex: 0 0 auto; }
.bt-product .photo-loop figure { position: relative; flex: 0 0 auto; width: max-content; padding: 0 9px 52px; }
.bt-product .photo-zoom { display: block; padding: 0; border: 0; background: transparent; cursor: zoom-in; }
.bt-product .photo-loop img { display: block; width: auto; height: 350px; max-width: none; }
.bt-product .photo-loop figcaption { position: absolute; left: 9px; right: 9px; bottom: 8px; text-align: center; }
.bt-product .lightbox { width: min(1200px, calc(100% - 24px)); max-width: none; max-height: calc(100dvh - 24px); padding: 56px 58px 20px; border: 0; border-radius: 14px; background: white; color: #23303b; box-shadow: 0 16px 60px #0006; }
.bt-product .lightbox::backdrop { background: #102530d9; }
.bt-product .lightbox-image { display: block; width: 100%; height: min(72dvh, 760px); object-fit: contain; touch-action: pan-y; user-select: none; }
.bt-product .lightbox-caption { margin: 12px 0 0; text-align: center; color: #445763; }
.bt-product .lightbox button { position: absolute; display: grid; place-items: center; width: 42px; height: 42px; padding: 0; border: 1px solid #afc5ce; border-radius: 50%; background: white; color: #173d4d; font-size: 28px; line-height: 1; cursor: pointer; }
.bt-product .lightbox button:hover, .bt-product .lightbox button:focus-visible { border-color: #0d637b; outline: 2px solid #0d637b; outline-offset: 2px; }
.bt-product .lightbox-close { top: 10px; right: 10px; }
.bt-product .lightbox-prev, .bt-product .lightbox-next { top: 50%; transform: translateY(-50%); }
.bt-product .lightbox-prev { left: 8px; }
.bt-product .lightbox-next { right: 8px; }
.bt-product figcaption { margin-top: 9px; color: #61717c; font-size: 13px; }
.bt-product .table-wrap { width: 100%; overflow-x: auto; border: 1px solid #dce6ea; border-radius: 10px; background: white; }
.bt-product table { width: 100%; min-width: 700px; border-collapse: collapse; font-size: 14px; }
.bt-product table.two-col { min-width: 0; }
.bt-product th, .bt-product td { text-align: left; vertical-align: top; padding: 14px; border-bottom: 1px solid #e1e8eb; }
.bt-product thead th { background: #17485b; color: white; }
.bt-product tbody tr:last-child td { border: 0; }
.bt-product tbody tr:nth-child(even) { background: #f5f8f9; }
.bt-product .order { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; }
.bt-product .order-code { padding: 22px; background: white; border-radius: 10px; border: 1px solid #dce6ea; font-size: 22px; font-weight: 700; }
.bt-product .order-code small { display: block; margin-top: 12px; font-size: 14px; font-weight: 400; }
.bt-product .console-code { margin-bottom: 24px; }
.bt-product .spec-note { margin-top: 16px; }
.bt-product .contact { padding: 44px 0; background: #173d4d; color: white; }
.bt-product .contact h2 { color: white; }
.bt-product .contact .button { background: white; color: #173d4d; }
.bt-product .contact a:not(.button) { color: white; }
    @media (max-width: 800px) {
.bt-product .nav { display: none; }
.bt-product .hero, .bt-product .order { grid-template-columns: 1fr; }
.bt-product .hero { gap: 24px; padding-bottom: 44px; }
.bt-product .hero-image, .bt-product .hero-image img { min-height: 260px; height: 300px; }
.bt-product .hero-carousel .carousel-controls [data-prev] { left: -16px; }
.bt-product .hero-carousel .carousel-controls [data-next] { right: -16px; }
.bt-product .hero-carousel .carousel-thumbs { justify-content: flex-start; }
.bt-product .cards, .bt-product .process { grid-template-columns: 1fr; }
.bt-product .photo-loop img { height: 300px; }
.bt-product .lightbox { padding: 54px 46px 20px; }
.bt-product .lightbox-image { height: min(68dvh, 600px); }
.bt-product .lightbox-prev { left: 2px; }
.bt-product .lightbox-next { right: 2px; }
.bt-product section.band { padding: 44px 0; }
    }

.bt-product { line-height: 1.55; font-size: 16px; text-align: left; }
.bt-product .wrap { max-width: 1160px; }
.bt-product .hero.hero-text-only { grid-template-columns: minmax(0, 820px); }
.bt-product .hero-static img { width: 100%; height: 390px; object-fit: contain; }
.bt-product .legacy-body { max-width: 1000px; }
.bt-product .legacy-body p { font-size: 16px !important; line-height: 1.65 !important; text-align: left !important; }
.bt-product .legacy-body h2, .bt-product .legacy-body h3 { margin-top: 36px !important; margin-bottom: 20px !important; padding: 0 !important; text-align: left !important; }
.bt-product .legacy-body h2:first-child { margin-top: 0 !important; }
.bt-product .legacy-body h2::before, .bt-product .legacy-body h2::after { display: none; }
.bt-product .legacy-body img { height: auto; margin: 24px auto; }
.bt-product .legacy-body .table-wrap { margin: 24px 0; }
.bt-product .legacy-body table p { margin: 0; }
.bt-product .legacy-body td, .bt-product .legacy-body th { min-width: 100px; }
.bt-product .legacy-body td:first-child, .bt-product .legacy-body th:first-child { min-width: 180px; }
.bt-product .legacy-body ul, .bt-product .legacy-body ol { padding-left: 24px; margin-bottom: 20px; }
.bt-product .legacy-body li { margin-bottom: 8px; }
.bt-product .support-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding: 44px 0; }
.bt-product .support-grid .form-control { width: 100%; }
.bt-product .support-grid h2 { font-size: 26px; }
.bt-product .card h3 { font-weight: 700; }
.bt-product .card p:last-child { margin-bottom: 0; }
@media (max-width: 800px) {
 .bt-product .support-grid { grid-template-columns: 1fr; }
 .bt-product .hero-static img { height: 300px; }
 .bt-product .wrap { width: calc(100% - 40px); }
}

/* Existing CMS videos retain their content and fit the product column. */
.bt-product .legacy-body iframe, .bt-product .legacy-body video {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    margin: 24px auto;
}

/* Catalogue groups do not inherit the site's large landing-section margin. */
.bt-product.bt-catalog > .catalog-intro { padding: 32px 0 16px; }
.bt-product.bt-catalog > section.band { margin-top: 0; }
.bt-product.bt-catalog > section.band:first-of-type { padding-top: 24px; }