/* October presentation system. All selectors stay inside this page. */
#px-stairs{--blue:#235fa8;--category:#235fa8;isolation:isolate}
#px-stairs .stairs-back{display:inline-flex;align-items:center;gap:7px;color:#77777e;font-size:12px;min-height:44px;white-space:nowrap}
#px-stairs .stairs-back:hover{color:var(--blue)}
#px-stairs .px-quick-inner{gap:12px}
#px-stairs .pzp3-quick .px-quick-inner .px-page-toggle{position:static!important;inset:auto!important;transform:none!important;margin:0 auto 0 0!important;font-weight:600!important}
#px-stairs .pzp3-quick .px-quick-inner .px-quick-links{border:0!important;border-radius:0!important;box-shadow:none!important;background:none!important;padding:0!important;font-family:inherit!important}
#px-stairs .blue-word{display:inline-block;padding:.06em .1em .12em;margin:-.06em -.1em -.12em;vertical-align:baseline;overflow:visible;background:linear-gradient(110deg,#092b64 4%,#1553a0 48%,#6aa9e5 100%);background-clip:text;-webkit-background-clip:text;color:transparent}
#px-stairs .stairs-hero{padding:48px 0 0;background:#fff;text-align:center;--poz-ground-static:1}
#px-stairs .stairs-brand{width:190px;height:48px;object-fit:contain;margin:0 auto 23px}
html body #px-stairs .stairs-hero h1{font:680 clamp(56px,6.4vw,90px)/1.02 system-ui,-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif!important;letter-spacing:-.055em!important;text-transform:none!important;padding:0 .1em .12em;margin:0}
#px-stairs .stairs-hero>.wrap>p{font-size:21px;line-height:1.45;color:var(--muted);margin:15px auto 17px;max-width:650px}
#px-stairs .hero-product{height:600px;position:relative;max-width:1440px;margin:25px auto 0;padding:10px 8% 45px;background:radial-gradient(ellipse at 50% 100%,#edf0f4,transparent 65%)}
#px-stairs .hero-art{height:100%;position:relative}
#px-stairs .hero-art img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 14px 18px #18304712)}
#px-stairs .hero-caption{position:absolute;bottom:20px;left:0;right:0;display:flex;align-items:center;justify-content:center;gap:14px;font-size:12px;color:var(--muted)}
#px-stairs .hero-caption strong{font-weight:600;color:var(--ink)}
#px-stairs .section-lead.split>div{max-width:720px}
#px-stairs .section-lead.split>div>.eyebrow{margin-bottom:18px}
#px-stairs .section-lead.split>p{max-width:345px;font-size:18px;margin:0;color:var(--muted)}
#px-stairs .system-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
#px-stairs .system-cards article{background:#fff;border-radius:28px;overflow:hidden;display:flex;flex-direction:column}
#px-stairs .system-cards figure{height:280px;overflow:hidden;position:relative;margin:0}
#px-stairs .system-cards .cutout{padding:25px 20px 5px}
#px-stairs .system-cards img{height:100%;width:100%;object-fit:contain;transition:transform .6s var(--ease)}
#px-stairs .system-cards .context-photo img{object-fit:cover}
#px-stairs .system-cards article:hover img{transform:translateY(-3px)}
#px-stairs .system-cards article:hover .context-photo img{transform:scale(1.015)}
#px-stairs .system-card-copy{padding:28px 30px 32px;display:flex;align-items:flex-start;flex:1;flex-direction:column}
#px-stairs .system-card-copy>.eyebrow{color:var(--blue);margin-bottom:12px}
#px-stairs .system-card-copy h3{font-size:29px;min-height:64px}
#px-stairs .system-card-copy>p:not(.eyebrow){font-size:15px;line-height:1.7;margin:18px 0 25px}
#px-stairs .system-card-copy>p span{color:var(--muted);font-size:13px}
#px-stairs .system-card-copy .button{margin-top:auto;font-size:14px;min-height:46px;padding:12px 22px}
#px-stairs .ecp-section{padding:100px 0 70px;background:#fff}
#px-stairs .ecp-journey{height:190vh;min-height:1200px;position:relative;margin:0 22px}
#px-stairs .ecp-stage{position:sticky;top:132px;min-height:570px;height:calc(100vh - 156px);max-height:780px;border-radius:34px;background:linear-gradient(120deg,#f2f5f9,#f5f5f7);display:grid;grid-template-columns:40% 60%;align-items:center;overflow:hidden;padding:44px 50px 90px;isolation:isolate}
#px-stairs .ecp-copy{padding:10px 10px 10px 6%;position:relative;z-index:2}
#px-stairs .ecp-copy article{min-height:330px}
#px-stairs .ecp-copy .eyebrow{font-size:13px;color:#57718f;margin-bottom:20px}
#px-stairs .ecp-copy h3{font-size:clamp(30px,3.6vw,50px);line-height:1.06;max-width:440px}
#px-stairs .ecp-copy article>p:not(.eyebrow){font-size:17px;line-height:1.5;color:var(--muted);margin:25px 0;max-width:340px}
#px-stairs .ecp-stat{display:flex;flex-direction:column;gap:7px;margin-top:28px}
#px-stairs .ecp-stat strong{font-size:clamp(23px,2.2vw,32px);font-weight:600;letter-spacing:-.035em;color:#23558e}
#px-stairs .ecp-stat span{font-size:13px;color:var(--muted)}
#px-stairs .segmented{display:inline-flex;gap:4px;padding:5px;border-radius:99px;background:#e4e8ef;margin-top:16px}
#px-stairs .segmented button{padding:11px 18px;border-radius:99px;font-size:13px;min-height:44px;transition:background .22s,color .22s,box-shadow .22s}
#px-stairs .segmented [aria-pressed=true]{background:#fff;color:var(--blue);box-shadow:0 2px 8px #20314c0c}
#px-stairs .ecp-media{height:100%;min-height:400px;position:relative}
#px-stairs .ecp-media figure,#px-stairs .ecd-media figure{position:absolute;inset:0;opacity:0;transition:opacity .55s ease;pointer-events:none;display:flex;align-items:center;justify-content:center}
#px-stairs .ecp-media figure.is-active,#px-stairs .ecd-media figure.is-active{opacity:1;z-index:1}
#px-stairs .ecp-media img{width:100%;height:100%;object-fit:contain;padding:4px 10px;filter:drop-shadow(0 8px 9px #1a314b0d)}
#px-stairs .ecp-media .drawing{mix-blend-mode:multiply}
#px-stairs .ecp-media .drawing img{filter:none;padding:10px 0}
#px-stairs .journey-controls{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);display:flex;gap:5px;padding:5px;background:#e4e8ee;border-radius:99px;max-width:calc(100% - 40px);z-index:4}
#px-stairs .journey-controls button{border-radius:99px;min-height:44px;white-space:nowrap;font-size:13px;padding:12px 20px;display:flex;align-items:center;gap:10px;transition:background .2s,color .2s}
#px-stairs .journey-controls button span{font-size:10px;color:#7a8b9d}
#px-stairs .journey-controls [aria-pressed=true]{background:#fff;color:var(--blue)}
#px-stairs .ecp-section>.section-note{margin:24px 20px 0}
#px-stairs .ecd-selector{display:grid;grid-template-columns:1.5fr 1fr;background:#fff;border-radius:32px;overflow:hidden;min-height:550px;align-items:center;padding:30px}
#px-stairs .ecd-media{position:relative;min-height:460px}
#px-stairs .ecd-media img{width:100%;height:100%;object-fit:contain;padding:18px}
#px-stairs .ecd-control{padding:15px 25px 15px 40px}
#px-stairs .ecd-control>.eyebrow{font-size:14px;color:var(--muted);margin-bottom:20px}
#px-stairs .height-picks{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:32px}
#px-stairs .height-picks button{border:1px solid #d5dae2;border-radius:15px;min-height:72px;font-size:23px;font-weight:600;display:flex;flex-direction:column;align-items:center;justify-content:center;transition:background .2s,border-color .2s,color .2s}
#px-stairs .height-picks button small{font-size:11px;font-weight:400}
#px-stairs .height-picks button:hover{background:#f5f7fa}
#px-stairs .height-picks [aria-pressed=true]{color:var(--blue);border-color:var(--blue);background:#f0f5fb}
#px-stairs .ecd-data h3{font-size:30px;margin-bottom:18px}
#px-stairs .ecd-data dl>div{display:flex;justify-content:space-between;gap:15px;font-size:14px;padding:13px 0;border-bottom:1px solid #e8e8ed}
#px-stairs .ecd-data dt{color:var(--muted)}#px-stairs .ecd-data dd{font-weight:550;font-variant-numeric:tabular-nums;margin:0}
#px-stairs .ecd-control .small-note{margin-top:22px;font-size:12px;line-height:1.5}
#px-stairs .ecd-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin:52px auto 0;max-width:1000px;text-align:center}
#px-stairs .ecd-facts>div{display:flex;align-items:center;flex-direction:column;gap:7px}
#px-stairs .ecd-facts svg{width:48px;height:48px;fill:none;stroke:#53769a;stroke-width:1.3;margin-bottom:12px}
#px-stairs .ecd-facts strong{font-size:23px;font-weight:600;letter-spacing:-.035em}
#px-stairs .ecd-facts span{font-size:13px;color:var(--muted)}
#px-stairs .ect-section{padding:105px 0}
#px-stairs .ect-feature{border-radius:32px;overflow:hidden;display:grid;grid-template-columns:1.4fr 1fr;background:#f5f5f7;min-height:520px}
#px-stairs .ect-photo{height:100%;min-height:520px}
#px-stairs .ect-photo img{width:100%;height:100%;object-fit:cover;object-position:48% center}
#px-stairs .ect-feature-copy{padding:52px;align-self:center}
#px-stairs .ect-feature-copy h3{font-size:40px;margin:20px 0}
#px-stairs .ect-feature-copy p{font-size:18px;color:var(--muted);max-width:360px}
#px-stairs .ect-feature-copy a{font-size:15px;margin-top:28px}
#px-stairs .ect-details{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;margin-top:24px}
#px-stairs .ect-details article{border-radius:30px;overflow:hidden;background:#f5f5f7;padding:42px;position:relative;min-height:470px}
#px-stairs .ect-details h3{font-size:36px;margin:16px 0}
#px-stairs .ect-details p:not(.eyebrow){font-size:16px;color:var(--muted);max-width:350px}
#px-stairs .ect-folded img{height:240px;width:100%;object-fit:contain;mix-blend-mode:multiply;margin-top:18px}
#px-stairs .ect-material h3{font-size:42px}#px-stairs .ect-material h3 .blue-word{font-size:70px}
#px-stairs .material-lines{position:absolute;left:42px;right:42px;bottom:38px;display:flex;flex-direction:column;gap:5px;perspective:400px}
#px-stairs .material-lines i{height:6px;background:linear-gradient(90deg,#cec3b2,#e8dfce,#baa98d);border-radius:2px;transform:rotate(-6deg)}
#px-stairs .spec-block{padding-top:75px;display:grid;grid-template-columns:1fr 1fr;column-gap:50px}
#px-stairs .spec-block h3{font-size:34px}
#px-stairs .spec-block>p{font-size:17px;color:var(--muted);max-width:400px;justify-self:end}
#px-stairs .spec-scroll{grid-column:1/-1;overflow:auto;margin-top:32px}
#px-stairs table{width:100%;border-collapse:collapse;text-align:left;font-size:15px}
#px-stairs caption{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
#px-stairs th,#px-stairs td{padding:21px 15px;border-bottom:1px solid #e1e1e6;white-space:nowrap}
#px-stairs th:first-child,#px-stairs td:first-child{padding-left:0}
#px-stairs thead{color:#6e6e73;font-size:12px}#px-stairs th{font-weight:550}
#px-stairs tbody tr{transition:background .2s}#px-stairs tbody tr:hover{background:#f5f8fc}
#px-stairs .spec-block>.small-note{grid-column:1/-1;max-width:100%;justify-self:start;font-size:12px;margin-top:20px}
#px-stairs .connection-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
#px-stairs .connection-grid article{border-radius:28px;background:#fff;overflow:hidden}
#px-stairs .connection-grid figure{height:300px}
#px-stairs .connection-grid img{width:100%;height:100%;object-fit:cover}
#px-stairs .connection-grid article>div{padding:30px}
#px-stairs .connection-grid .eyebrow{color:var(--blue);font-size:13px;margin-bottom:13px}
#px-stairs .connection-grid h3{font-size:27px;margin-bottom:18px}
#px-stairs .connection-grid p:not(.eyebrow){font-size:16px;color:var(--muted)}
#px-stairs .connections{padding-bottom:0}
#px-stairs .configurator{padding-top:90px}
#px-stairs .catalogue{padding-top:100px}
#px-stairs button:focus-visible,#px-stairs a:focus-visible,#px-stairs .spec-scroll:focus-visible{outline:2px solid var(--blue);outline-offset:4px}
@media(max-width:1100px){
#px-stairs .hero-product{height:520px}#px-stairs .system-card-copy{padding:25px}#px-stairs .system-card-copy h3{font-size:25px}#px-stairs .system-cards figure{height:230px}
#px-stairs .ecp-stage{padding:30px 28px 85px;grid-template-columns:42% 58%;min-height:540px}#px-stairs .ecp-copy{padding-left:3%}#px-stairs .ecp-copy article{min-height:320px}#px-stairs .ecp-copy article>p:not(.eyebrow){font-size:16px}
#px-stairs .ecd-selector{grid-template-columns:1.2fr 1fr;padding:20px}#px-stairs .ecd-control{padding:20px}#px-stairs .ecd-media{min-height:430px}
#px-stairs .ect-feature{grid-template-columns:1.2fr 1fr}#px-stairs .ect-feature-copy{padding:32px}#px-stairs .ect-feature-copy h3{font-size:34px}#px-stairs .ect-photo{min-height:460px}
#px-stairs .ect-details article{padding:32px}#px-stairs .connection-grid{gap:15px}#px-stairs .connection-grid figure{height:240px}#px-stairs .connection-grid article>div{padding:25px}#px-stairs .connection-grid h3{font-size:24px}
}
@media(max-width:760px){
#px-stairs .wrap{width:calc(100% - 40px)}#px-stairs .px-quick-inner{gap:8px}#px-stairs .stairs-back{font-size:11px}#px-stairs .px-page-toggle{font-size:15px}#px-stairs .px-quick-action{font-size:11px}
#px-stairs .stairs-hero{padding-top:35px}#px-stairs .stairs-brand{width:160px;height:40px;margin-bottom:25px}html body #px-stairs .stairs-hero h1{font-size:clamp(46px,12.8vw,68px)!important}#px-stairs .stairs-hero>.wrap>p{font-size:17px;max-width:330px}#px-stairs .hero-product{height:370px;padding:0 20px 45px;margin-top:30px}#px-stairs .hero-caption{font-size:10px;gap:10px}
#px-stairs .pale-section{padding:65px 0}#px-stairs .section-lead{margin-bottom:32px}#px-stairs h2{font-size:36px}#px-stairs .section-lead.split{display:block}#px-stairs .section-lead.split>p{max-width:none;margin-top:22px;font-size:17px}
#px-stairs .system-cards{grid-template-columns:1fr;gap:18px}#px-stairs .system-cards article{display:grid;grid-template-columns:42% 58%;border-radius:24px;min-height:250px}#px-stairs .system-cards figure{height:100%;min-height:250px}#px-stairs .system-cards .cutout{padding:12px 4px 12px 12px}#px-stairs .system-card-copy{padding:24px 16px}#px-stairs .system-card-copy h3{font-size:24px;min-height:0}#px-stairs .system-card-copy>.eyebrow{font-size:12px;margin-bottom:9px}#px-stairs .system-card-copy>p:not(.eyebrow){font-size:12px;line-height:1.6;margin:15px 0}#px-stairs .system-card-copy>p span{font-size:11px}#px-stairs .system-card-copy .button{font-size:12px;min-height:42px;padding:10px 16px}
#px-stairs .ecp-section{padding:65px 0}#px-stairs .ecp-journey{height:auto;min-height:0;margin:0 12px}#px-stairs .ecp-stage{position:relative;top:auto;display:flex;flex-direction:column;height:auto;max-height:none;min-height:0;padding:28px 25px 24px;border-radius:26px;overflow:hidden}#px-stairs .ecp-copy{padding:0;width:100%}#px-stairs .ecp-copy article{min-height:300px}#px-stairs .ecp-copy h3{font-size:34px;max-width:320px}#px-stairs .ecp-copy article>p:not(.eyebrow){font-size:16px;max-width:100%;margin:20px 0}#px-stairs .ecp-stat{margin-top:18px}#px-stairs .ecp-stat strong{font-size:25px}#px-stairs .ecp-copy .eyebrow{margin-bottom:16px}#px-stairs .ecp-models{margin:0 0 10px}#px-stairs .ecp-media{height:340px;min-height:0;width:100%;margin:4px 0 18px}#px-stairs .ecp-media img{padding:5px}#px-stairs .ecp-media .drawing img{padding:0}#px-stairs .journey-controls{position:static;transform:none;max-width:none;width:100%;border-radius:16px;display:grid;grid-template-columns:repeat(3,1fr);gap:2px;padding:4px}#px-stairs .journey-controls button{white-space:normal;flex-direction:column;gap:4px;font-size:11px;padding:9px 4px;border-radius:12px;min-height:54px}
#px-stairs .ecd-selector{grid-template-columns:1fr;padding:20px;border-radius:26px;min-height:0}#px-stairs .ecd-media{min-height:0;height:280px}#px-stairs .ecd-media img{padding:4px}#px-stairs .ecd-control{padding:20px 5px 7px}#px-stairs .height-picks{margin-bottom:25px;gap:7px}#px-stairs .height-picks button{min-height:65px;font-size:23px}#px-stairs .ecd-data h3{font-size:28px}#px-stairs .ecd-facts{gap:14px;margin-top:32px}#px-stairs .ecd-facts strong{font-size:17px}#px-stairs .ecd-facts span{font-size:11px}#px-stairs .ecd-facts svg{width:35px;height:35px}
#px-stairs .ect-section{padding:65px 0}#px-stairs .ect-feature{grid-template-columns:1fr;border-radius:26px;min-height:0}#px-stairs .ect-photo{min-height:0;height:310px}#px-stairs .ect-feature-copy{padding:30px}#px-stairs .ect-feature-copy h3{font-size:32px}#px-stairs .ect-feature-copy p{font-size:16px}#px-stairs .ect-feature-copy a{font-size:14px;margin-top:22px}
#px-stairs .ect-details{grid-template-columns:1fr;gap:18px;margin-top:18px}#px-stairs .ect-details article{padding:30px;min-height:410px;border-radius:26px}#px-stairs .ect-details h3{font-size:31px}#px-stairs .ect-folded img{height:200px}#px-stairs .ect-material h3 .blue-word{font-size:62px}#px-stairs .material-lines{bottom:32px;left:30px;right:30px}
#px-stairs .spec-block{padding-top:50px;display:block}#px-stairs .spec-block h3{font-size:30px}#px-stairs .spec-block>p{margin-top:17px;font-size:16px}#px-stairs table{font-size:13px}#px-stairs th,#px-stairs td{padding:17px 12px}#px-stairs .spec-scroll{margin-top:25px}
#px-stairs .connection-grid{grid-template-columns:1fr;gap:18px}#px-stairs .connection-grid figure{height:270px}#px-stairs .connection-grid article>div{padding:28px}#px-stairs .connection-grid h3{font-size:27px}
#px-stairs .connections{padding-bottom:0}#px-stairs .configurator{padding-top:65px}#px-stairs .catalogue{padding-top:65px}
}
@media(prefers-reduced-motion:reduce){#px-stairs *,#px-stairs *::before,#px-stairs *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}#px-stairs .ecp-journey{height:auto;min-height:0}#px-stairs .ecp-stage{position:relative;top:auto}}
/* Preserve the full GUIL context photographs as their frames narrow. */
#px-stairs .system-cards figure{height:auto;aspect-ratio:4591/2586}
@media(max-width:1200px) and (min-width:761px){
#px-stairs .ect-feature{grid-template-columns:1fr}
#px-stairs .ect-photo{height:auto;min-height:0;aspect-ratio:4779/3215}
#px-stairs .ect-feature-copy{padding:38px;max-width:650px}
}
@media(max-width:760px){
#px-stairs .system-cards article{display:flex;min-height:0}
#px-stairs .system-cards figure{height:auto;min-height:0;aspect-ratio:4591/2586}
#px-stairs .system-cards .cutout{padding:18px 20px 0}
#px-stairs .system-card-copy{padding:25px 28px 28px}
#px-stairs .system-card-copy h3{font-size:27px}
#px-stairs .system-card-copy>p:not(.eyebrow){font-size:14px;margin:15px 0 20px}
#px-stairs .system-card-copy>p span{font-size:12px}
#px-stairs .system-card-copy .button{font-size:13px;min-height:44px;padding:12px 20px}
#px-stairs .ect-photo{height:auto;aspect-ratio:4779/3215}
}
/* One intrinsic copy row holds the tallest chapter, preventing selector jumps. */
#px-stairs .ecp-copy{display:grid;grid-template-columns:minmax(0,1fr)}
#px-stairs .ecp-copy article{grid-area:1/1;opacity:1;transition:opacity .3s ease}
#px-stairs .ecp-copy article[hidden]{display:block!important;visibility:hidden;opacity:0;pointer-events:none}
#px-stairs .ecp-models{grid-area:2/1;justify-self:start}

/* Product-code eyebrow: a label, never a button. 15 October 2026. */
#px-stairs .eyebrow .poz-product-code{display:inline-flex;align-items:center;justify-content:center;vertical-align:middle;box-sizing:border-box;background:#1d1d1f;color:#fff;border:0;border-radius:999px;padding:6px 12px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:14px;font-weight:600;line-height:1.25;letter-spacing:.01em;white-space:nowrap;text-transform:none;box-shadow:none;}
#px-stairs .eyebrow .poz-code-description{vertical-align:middle;margin-inline-start:8px;}
#px-stairs .eyebrow .poz-product-code+.poz-product-code{margin-inline-start:4px;}