:root{--blue:#086a9b;--blue2:#0c85bc;--navy:#132b3a;--ink:#182832;--muted:#5c6c75;--paper:#f5f2ea;--white:#fff;--line:#dbe2e5;--orange:#e56f2d;--green:#257052;--shadow:0 18px 60px rgba(18,43,58,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font:16px/1.58 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
.wrap{width:min(1180px,calc(100% - 40px));margin:auto}
.utility{background:var(--navy);color:#e8f2f6;font-size:12px;letter-spacing:.06em}
.utility .wrap{display:flex;justify-content:space-between;padding:8px 0}
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.header .wrap{height:78px;display:flex;align-items:center;gap:32px}
.logo{display:flex;align-items:center;gap:12px;font-weight:850;letter-spacing:-.02em}
.mark{width:37px;height:37px;background:var(--blue);clip-path:polygon(0 0,100% 0,66% 100%,0 100%)}
.logo small{display:block;color:var(--blue);font-size:10px;letter-spacing:.14em}
.nav{display:flex;gap:25px;margin-left:auto;font-size:14px;font-weight:650}
.nav a:hover{color:var(--blue)}
.quote-link{padding:11px 17px;background:var(--orange);color:#fff;border-radius:4px}
.menu{display:none;margin-left:auto;background:none;border:0;font-size:26px}
.hero{position:relative;overflow:hidden;background:linear-gradient(115deg,#eef3f3 0 53%,#d7e3e7 53%)}
.hero:after{content:"";position:absolute;right:-4%;bottom:-25%;width:52%;height:125%;background:linear-gradient(150deg,transparent 20%,rgba(8,106,155,.25)),repeating-linear-gradient(90deg,rgba(19,43,58,.13) 0 2px,transparent 2px 54px);transform:skewX(-12deg)}
.hero .wrap{min-height:660px;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;position:relative;z-index:1}
.eyebrow{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--blue);text-transform:uppercase}
.hero h1{font-family:Georgia,serif;font-weight:500;font-size:clamp(46px,5.4vw,76px);line-height:1.02;letter-spacing:-.045em;margin:18px 0 22px;max-width:760px}
.hero p{font-size:19px;color:#40545f;max-width:600px}
.actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border:1px solid var(--navy);border-radius:3px;font-weight:750;background:var(--navy);color:#fff;cursor:pointer}
.btn.alt{background:transparent;color:var(--navy)}
.btn.orange{background:var(--orange);border-color:var(--orange)}
.steel-visual{position:relative;height:500px}
.landing{position:absolute;right:8%;top:18%;width:74%;height:55%;border:16px solid #334851;border-bottom:0;transform:skewY(-4deg);box-shadow:22px 22px 0 rgba(8,106,155,.18)}
.landing:before,.landing:after{content:"";position:absolute;background:#334851}
.landing:before{left:11%;top:100%;width:18px;height:255px;transform:rotate(34deg);transform-origin:top}
.landing:after{right:11%;top:100%;width:18px;height:255px;transform:rotate(34deg);transform-origin:top}
.rail{position:absolute;right:4%;top:7%;width:83%;height:36%;border-top:8px solid var(--blue);border-left:8px solid var(--blue);border-right:8px solid var(--blue)}
.rail i{position:absolute;top:0;height:100%;width:6px;background:var(--blue)}
.rail i:nth-child(1){left:20%}
.rail i:nth-child(2){left:40%}
.rail i:nth-child(3){left:60%}
.rail i:nth-child(4){left:80%}
.section{padding:100px 0}
.section.cream{background:var(--paper)}
.section.blue{background:var(--navy);color:#fff}
.intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:end;margin-bottom:42px}
.intro h2{font:500 clamp(36px,4vw,56px)/1.05 Georgia,serif;letter-spacing:-.035em;margin:10px 0}
.intro p{color:var(--muted);font-size:18px}
.blue .intro p{color:#b9cbd4}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}
.card{background:#fff;border:1px solid var(--line);min-height:310px;padding:26px;display:flex;flex-direction:column;transition:.2s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card .num{color:var(--blue);font-weight:800;font-size:12px;letter-spacing:.1em}
.card h3{font:500 27px/1.1 Georgia,serif;margin:58px 0 13px}
.card p{color:var(--muted);font-size:14px}
.card .go{margin-top:auto;color:var(--blue);font-weight:750}
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:#40535d}
.step{background:var(--navy);padding:32px 24px;min-height:235px}
.step b{display:block;color:#62c0e6;font-size:12px;letter-spacing:.16em}
.step h3{font:500 23px Georgia,serif}
.step p{color:#b9cbd4;font-size:14px}
.demo{display:grid;grid-template-columns:1.15fr .85fr;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.viewer{min-height:540px;padding:30px;background:linear-gradient(145deg,#f5f7f7,#dce5e8);position:relative}
.viewer-head{display:flex;justify-content:space-between;font-size:12px;font-weight:800;letter-spacing:.08em}
.model{height:390px;position:relative}
.model .deck{position:absolute;left:21%;top:20%;width:55%;height:35%;border:13px solid #42555e;border-bottom-width:28px}
.model .leg{position:absolute;width:14px;height:210px;background:#42555e;top:54%}
.model .leg.a{left:24%;transform:rotate(26deg);transform-origin:top}
.model .leg.b{right:24%;transform:rotate(-26deg);transform-origin:top}
.model .bar{position:absolute;height:7px;background:var(--blue);left:16%;right:16%;top:12%}
.controls{padding:36px}
.controls h3{font:500 34px Georgia,serif;margin:0 0 5px}
.price{font-size:30px;font-weight:850;color:var(--blue);margin:20px 0}
.field{margin:16px 0}
.field label{display:flex;justify-content:space-between;font-size:13px;font-weight:750;margin-bottom:7px}
.field input,.field select{width:100%;height:48px;border:1px solid #b9c5ca;padding:0 13px;background:#fff}
.fine{font-size:12px;color:var(--muted)}
.resources{display:grid;grid-template-columns:1.25fr .75fr;gap:55px}
.resource-list{border-top:1px solid var(--line)}
.resource-list a{display:flex;justify-content:space-between;padding:21px 0;border-bottom:1px solid var(--line);font-weight:750}
.resource-list a span{color:var(--blue)}
.cta{padding:80px 0;background:linear-gradient(110deg,var(--blue),#064f76);color:#fff}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{font:500 44px Georgia,serif;margin:0}
.footer{background:#0d1d27;color:#b5c5ce;padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:45px}
.footer h4{color:#fff}
.footer a{display:block;margin:9px 0;font-size:14px}
.legal{border-top:1px solid #31424c;margin-top:45px;padding-top:24px;font-size:12px}
.page-hero{background:var(--paper);padding:82px 0}
.page-hero h1{font:500 clamp(42px,5vw,68px)/1.05 Georgia,serif;margin:12px 0}
.breadcrumbs{font-size:12px;color:var(--muted)}
.catalog{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.product-card{border:1px solid var(--line);padding:26px;min-height:270px;display:flex;flex-direction:column}
.product-card .status{font-size:11px;font-weight:800;color:var(--green);letter-spacing:.08em}
.product-card h2{font:500 30px Georgia,serif}
.product-card p{color:var(--muted)}
.product-card a{margin-top:auto;color:var(--blue);font-weight:800}
.designer{display:grid;grid-template-columns:1fr 430px;gap:30px}
.panel{border:1px solid var(--line);background:#fff}
.panel-pad{padding:27px}
.tabs{display:flex;border-bottom:1px solid var(--line)}
.tabs button{border:0;background:#fff;padding:16px 20px;font-weight:750}
.tabs button.active{color:var(--blue);box-shadow:inset 0 -3px var(--blue)}
.product-view{height:470px;background:linear-gradient(145deg,#f7f8f8,#dce5e8);display:grid;place-items:center}
.technical{width:70%;height:55%;border:14px solid #465b65;position:relative}
.technical:before{content:"";position:absolute;left:20%;right:20%;top:40%;border-top:8px solid var(--blue)}
.summary{position:sticky;top:110px}
.summary h2{font:500 31px Georgia,serif}
.validation{padding:12px;background:#fff5ef;border-left:4px solid var(--orange);font-size:13px}
.quote-price{font-size:32px;font-weight:850;color:var(--blue)}
.qty{display:grid;grid-template-columns:1fr 95px;gap:10px}
.seo-copy{max-width:850px}
.seo-copy h2{font:500 38px Georgia,serif}
.faq details{border-top:1px solid var(--line);padding:18px 0}
.faq summary{font-weight:750;cursor:pointer}
@media(max-width:980px){.nav{display:none}
.menu{display:block}
.hero .wrap{grid-template-columns:1fr}
.hero-copy{padding:90px 0 20px}
.steel-visual{height:400px}
.grid{grid-template-columns:1fr 1fr}
.process{grid-template-columns:1fr 1fr}
.intro,.resources,.designer{grid-template-columns:1fr}
.summary{position:static}
.catalog{grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){.wrap{width:min(100% - 28px,1180px)}
.utility span:first-child{display:none}
.header .wrap{height:66px}
.hero h1{font-size:44px}
.steel-visual{height:310px}
.section{padding:70px 0}
.grid,.catalog,.process,.footer-grid{grid-template-columns:1fr}
.intro{gap:10px}
.demo{grid-template-columns:1fr}
.viewer{min-height:380px}
.model{height:280px}
.cta .wrap{display:block}
.cta h2{font-size:35px;margin-bottom:24px}
.product-view{height:340px}
.quote-link{display:none}
}

.hero-photo{background:linear-gradient(90deg,rgba(246,243,235,.97) 0%,rgba(246,243,235,.92) 36%,rgba(246,243,235,.18) 62%,rgba(246,243,235,.02) 100%),url('images/hero-installed-steel-stair.png') center/cover no-repeat}
.hero-photo:after{display:none}
.hero-photo .wrap{position:relative}
.hero-photo .hero-copy{max-width:680px;padding:75px 0}
.hero-photo h1{text-shadow:0 2px 20px rgba(255,255,255,.6)}
.hero-note{font-size:12px!important;color:#52646e!important;margin-top:20px}
.cad-float{position:absolute;right:0;bottom:34px;width:310px;padding:17px;background:rgba(255,255,255,.9);border:1px solid rgba(8,106,155,.35);box-shadow:var(--shadow);backdrop-filter:blur(8px)}
.cad-float b,.cad-float span{display:block}
.cad-float b{color:var(--blue);font-size:12px;letter-spacing:.12em}
.cad-float span{font-size:12px;color:var(--muted)}
.cad-float svg{width:100%;height:135px;margin-top:8px}
.cad-float path{fill:none;stroke:#334b57;stroke-width:4}
.image-card{padding:0;overflow:hidden;min-height:440px}
.image-card img{width:100%;height:180px;object-fit:cover;display:block}
.image-card .card-copy{padding:24px;display:flex;flex:1;flex-direction:column}
.image-card h3{margin:22px 0 12px}
.fabrication{background:#eef2f3}
.fabrication-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.fabrication-grid figure{margin:0;background:#fff;box-shadow:var(--shadow)}
.fabrication-grid img{width:100%;height:290px;object-fit:cover;display:block}
.fabrication-grid figcaption{padding:20px 22px}
.fabrication-grid b,.fabrication-grid span{display:block}
.fabrication-grid b{font:500 25px Georgia,serif}
.fabrication-grid span{font-size:13px;color:var(--muted);margin-top:7px}
@media(max-width:980px){.cad-float{display:none}.fabrication-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.hero-photo{background-position:65% center}.hero-photo .hero-copy{background:rgba(246,243,235,.88);padding:54px 22px;margin:36px 0}.fabrication-grid{grid-template-columns:1fr}}