:root,:root[data-theme]{color-scheme:light;
  --orange:#FF4D01;--btn:#D43F00;--btn-hover:#B83700;--orange-text:#C23A00;--on-orange:#FFFFFF;
  --ground:#FFFFFF;--soft:#F3F5F8;--ink:#143157;--muted:#56657A;--line:#E1E6ED;--card:#FFFFFF;--field:#FFFFFF;--drop:#F7F9FB;--drop-line:#AEB9C7;
  --head:"Saira Condensed","Arial Narrow",Arial,sans-serif;
  --sans:"Source Sans 3",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--ground);color:var(--ink);font:400 18px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px}
.wrap{max-width:1160px;margin:0 auto;padding-inline:24px}
@media (max-width:520px){.wrap{padding-inline:16px}}
h1,h2,h3{font-family:var(--head);font-weight:800;text-transform:uppercase;letter-spacing:.005em;text-wrap:balance;margin:0;line-height:.98}
h2{font-size:clamp(34px,4.4vw,48px)}
.section{padding-block:88px}
@media (max-width:720px){.section{padding-block:60px}}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;font:700 17px/1 var(--sans);text-decoration:none;border-radius:4px;border:2px solid transparent;cursor:pointer;white-space:nowrap}
.btn-orange{background:var(--btn);color:var(--on-orange)}
.btn-orange:hover{background:var(--btn-hover)}
.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:var(--soft)}

/* nav */
.nav{background:var(--ground);position:sticky;top:env(safe-area-inset-top,0px);z-index:10;border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-block:14px}
.logo{display:block}
.logo img{height:46px;width:auto;display:block}
.logo-dark{display:none!important}
.nav nav{display:flex;gap:22px;align-items:center;font:600 16px/1 var(--sans);white-space:nowrap}
.nav nav a{text-decoration:none;color:var(--muted)}
.nav nav a:hover{color:var(--ink)}
.nav nav a.btn{min-height:44px;padding:0 18px;font-size:16px}
.nav nav a.btn-orange{color:#FFFFFF}
.nav nav a.btn-navline{border-color:var(--ink);color:var(--ink)}
.nav nav a.btn-navline:hover{background:var(--soft)}
.nav nav a.btn-navline[aria-current="page"]{background:var(--ink);color:#FFFFFF}
@media (max-width:560px){.nav-up{display:none!important}.nav nav{gap:10px}}
@media (max-width:1100px){.nav nav a:not(.btn){display:none}}

/* hero */
.hero{position:relative;overflow:hidden;background:#143157;color:#FFFFFF}
.hero-media{position:absolute;inset:0;container-type:size;background:#143157 url("../img/shop-floor.jpg") center/cover no-repeat}
.hero-media iframe{position:absolute;top:50%;left:50%;width:max(100%,177.78cqh);height:max(100%,56.25cqw);transform:translate(-50%,-50%);border:0;pointer-events:none}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,49,87,.92) 0%,rgba(20,49,87,.78) 45%,rgba(20,49,87,.45) 100%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1fr 520px;gap:56px;align-items:center;padding-block:72px 88px}
@media (max-width:980px){.hero .wrap{grid-template-columns:1fr;gap:32px;padding-block:44px 56px}.hero-media::after{background:rgba(20,49,87,.86)}}
.hero h1{font-size:clamp(46px,6vw,76px);line-height:.94;color:#FFFFFF}
.hero h1 span{color:var(--orange)}
.hero .sub{font-size:21px;line-height:1.5;color:#DCE3EE;max-width:38ch;margin:22px 0 0}
.kick{margin:0 0 16px;font:700 14px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:#FF8A4D}
.inds{list-style:none;margin:24px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px;max-width:520px}
.inds li{font:600 15px/1 var(--sans);padding:9px 12px;border:1px solid rgba(255,255,255,.28);border-radius:999px;background:rgba(255,255,255,.08);color:#FFFFFF}
.checks{list-style:none;margin:24px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,max-content);gap:10px 28px;font-weight:600;color:#FFFFFF}
@media (max-width:520px){.checks{grid-template-columns:1fr}}
.checks li{display:flex;gap:12px;align-items:center}
.checks svg{flex:none;color:var(--orange)}

/* action card */
.act{background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:8px;box-shadow:0 30px 60px -20px rgba(0,0,0,.45)}
.tabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line)}
.tabs button{min-height:60px;border:0;background:transparent;color:var(--muted);font:700 17px/1.1 var(--sans);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-1px}
.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--orange)}
.tabs button:first-child{border-top-left-radius:8px}.tabs button:last-child{border-top-right-radius:8px}
.pane{padding:24px 26px 26px;display:grid;gap:16px}
.drop{position:relative;border:2px dashed var(--drop-line);border-radius:6px;background:var(--drop);min-height:140px;display:grid;place-items:center;text-align:center;padding:18px;cursor:pointer;transition:border-color .15s}
.drop:hover,.drop.over{border-color:var(--orange)}
.drop input{position:absolute;inset:0;opacity:0;cursor:pointer}
.drop strong{display:block;font:700 19px/1.25 var(--sans)}
.drop span{font-size:15px;color:var(--muted)}
.drop svg{color:var(--orange);margin:0 auto 8px}
.supply{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:2px solid var(--ink);border-radius:6px;background:var(--soft);cursor:pointer}
.supply input{width:22px;height:22px;margin:2px 0 0;flex:none;accent-color:#143157}
.supply b{display:block;font:700 17px/1.25 var(--sans)}
.supply small{display:block;font-size:14px;line-height:1.4;color:var(--muted);margin-top:3px}
.supply:has(input:not(:checked)){border-color:var(--line);background:var(--card)}
.flist{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.flist li{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:15px;padding:8px 10px;border:1px solid var(--line);border-radius:4px;overflow-wrap:anywhere}
.flist button{border:0;background:none;color:var(--muted);font:700 15px/1 var(--sans);cursor:pointer;min-width:32px;min-height:32px}
.lbl{display:grid;gap:6px;font:600 15px/1.2 var(--sans)}
.lbl small{font-weight:400;color:var(--muted)}
.in{width:100%;min-height:50px;border:1px solid var(--line);border-radius:4px;padding:0 14px;font:400 17px/1.3 var(--sans);color:var(--ink);background:var(--field)}
textarea.in{min-height:88px;padding:12px 14px;resize:vertical}
.in:focus{border-color:var(--orange);outline:none;box-shadow:0 0 0 3px rgba(255,77,1,.18)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:520px){.two{grid-template-columns:1fr}}
details{border-top:1px solid var(--line);padding-top:12px}
details summary{cursor:pointer;font:600 16px/1.3 var(--sans);color:var(--orange-text);list-style:none;display:flex;gap:8px;align-items:center;min-height:32px}
details summary::-webkit-details-marker{display:none}
details summary::before{content:"+";font-weight:700;width:14px}
details[open] summary::before{content:"–"}
details .more{display:grid;gap:12px;margin-top:12px}
.pane .btn{width:100%}
.fine{margin:0;font-size:14px;color:var(--muted);text-align:center}
.err{margin:0;font-size:15px;font-weight:600;color:var(--orange-text)}
.done{text-align:center;display:grid;gap:12px;padding-block:18px}
.done svg{margin:0 auto;color:var(--orange)}
.done h3{font-size:30px}
.done p{margin:0;color:var(--muted)}
.seg{border:0;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.seg legend{font:600 15px/1 var(--sans);margin-bottom:10px;padding:0}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--line);border-radius:4px;font:600 16px/1 var(--sans);cursor:pointer;user-select:none}
.seg label:hover{border-color:var(--orange)}
.seg input:checked + label{background:var(--ink);border-color:var(--ink);color:#FFFFFF}
.seg input:focus-visible + label{outline:2px solid var(--orange);outline-offset:2px}
.quote{display:flex;justify-content:space-between;align-items:end;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:16px}
.quote .from{font:600 14px/1 var(--sans);color:var(--muted);margin-bottom:6px}
.stdf{display:grid;gap:14px}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.quote .amt{font:800 48px/1 var(--head);font-variant-numeric:tabular-nums}
.quote .ship{text-align:right;font-weight:600}
.quote .ship b{display:block;color:var(--orange-text);font-size:20px}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:860px){.gal{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.gal{grid-template-columns:1fr}}
.gal figure{margin:0;display:grid;gap:10px}
.gal img{width:100%;height:auto;aspect-ratio:1;object-fit:cover;border-radius:6px;display:block}
.gal figcaption{font:600 16px/1.3 var(--sans);color:var(--muted)}
.how{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
@media (max-width:860px){.how{grid-template-columns:1fr;gap:36px}}
.how-img{width:100%;height:auto;border-radius:6px;display:block}
/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:28px;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:52px 1fr;column-gap:14px;row-gap:4px;border-top:3px solid var(--orange);padding-top:18px}
.steps li::before{grid-row:span 2}
.steps li::before{content:counter(s);font:800 44px/1 var(--head);color:var(--orange)}
.steps b{font:800 26px/1.05 var(--head);text-transform:uppercase}
.steps span{color:var(--muted)}
.sec-head{margin-bottom:36px}

/* catalog */
.bg-soft{background:var(--soft)}
.cat{display:grid;grid-template-columns:repeat(2,1fr);column-gap:64px}
@media (max-width:760px){.cat{grid-template-columns:1fr}}
.cat button{display:flex;justify-content:space-between;align-items:baseline;gap:16px;width:100%;padding:22px 0;border:0;border-bottom:1px solid var(--line);background:none;color:var(--ink);font:inherit;text-align:left;cursor:pointer}
.cat button:hover .n{color:var(--orange-text)}
.cat .n{font:700 24px/1.1 var(--head);text-transform:uppercase}
.cat .p{color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}

/* band */
.band{background:#143157;color:#FFFFFF;border-top:6px solid var(--orange)}
.band h2{color:#FFFFFF}
.band .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding-block:64px}
.band .oem-grid{display:grid;grid-template-columns:minmax(0,760px);gap:56px;align-items:center;padding-block:72px}
@media (max-width:860px){.band .oem-grid{grid-template-columns:1fr;gap:32px;padding-block:56px}}
.band .oem-grid .btn{margin-top:26px}
.oem-img{width:100%;height:auto;border-radius:6px;display:block}
.band p{margin:12px 0 0;font-size:19px;color:#DCE3EE}
.band .btn{background:var(--btn);color:#FFFFFF}
.band .btn:hover{background:var(--btn-hover)}

/* oem + footer */
.oem .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding-block:52px;border-bottom:1px solid var(--line)}
.oem p{margin:0;font-size:20px;max-width:52ch}
.oem p b{font-weight:700}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding-block:36px;font-size:15px;color:var(--muted)}
footer .logo img{height:40px}
footer span{user-select:all}
/* replacement / design */
#design{border-top:1px solid var(--line)}
.rep{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:start}
@media (max-width:900px){.rep{grid-template-columns:1fr;gap:36px}}
.kick2{margin:0 0 14px;font:700 14px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--orange-text)}
.rep-lead{font-size:19px;color:var(--muted);max-width:52ch;margin:20px 0 0}
.obul.dark{font-size:17px;margin:24px 0 30px}
.send{background:var(--soft);border-radius:8px;padding:28px}
.send h3{font-size:26px;margin-bottom:14px}
.send ol{list-style:none;margin:0;padding:0;counter-reset:w;display:grid;gap:0}
.send li{counter-increment:w;display:grid;grid-template-columns:36px 1fr;column-gap:12px;padding:14px 0;border-top:1px solid var(--line)}
.send li::before{content:counter(w);grid-row:span 2;font:800 26px/1 var(--head);color:var(--orange)}
.send b{font-weight:700}
.send span{color:var(--muted);font-size:16px}
/* wire graphics */
.band,.tools-hero{position:relative;overflow:hidden}
.band .wrap,.tools-hero .wrap{position:relative}
.wires{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.wires .wb{opacity:.26}
.wires .we{opacity:.45}
.w-hero .wb{opacity:.3}
.wires .wp path{stroke:#FF9A5C;stroke-dasharray:60 940;stroke-dashoffset:1000;animation:flow 6s linear infinite}
@keyframes flow{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion: reduce){.wires .wp{display:none}}
@media (max-width:760px){.wires{opacity:.6}}
/* section helpers */
.sec-row{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:14px}
.sec-sub{margin:0 0 32px;color:var(--muted);max-width:60ch}
.tcards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tcards.four{grid-template-columns:repeat(4,1fr)}
@media (max-width:1000px){.tcards.four{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.tcards.four{grid-template-columns:1fr}}
@media (max-width:860px){.tcards{grid-template-columns:1fr}}
.tcard{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--orange);border-radius:6px;padding:22px 22px 24px;display:flex;flex-direction:column;gap:8px;text-decoration:none;color:var(--ink);transition:transform .2s ease,box-shadow .2s ease}
.tcard:hover{transform:translateY(-3px);box-shadow:0 12px 24px -12px rgba(20,49,87,.25)}
@media (prefers-reduced-motion: reduce){.tcard{transition:none}.tcard:hover{transform:none}}
.tcard b{font:800 24px/1.05 var(--head);text-transform:uppercase}
.tcard span{color:var(--muted);font-size:16px}
.tcard em{font-style:normal;font-weight:700;color:var(--orange-text);margin-top:auto;padding-top:8px}

/* OEM form */
.band .oem-grid{grid-template-columns:1fr 560px!important;align-items:start!important}
@media (max-width:980px){.band .oem-grid{grid-template-columns:1fr!important}}
.obul{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:12px;font-size:18px}
.obul li{padding-left:26px;position:relative}
.obul li::before{content:"";position:absolute;left:0;top:.5em;width:10px;height:10px;background:var(--orange);transform:rotate(45deg)}
.oform{background:#FFFFFF;color:var(--ink);border-radius:8px;padding:26px}
.oform form{display:grid;gap:14px}
.oform h3{font-size:28px}
select.in{appearance:none;background:var(--field) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23143157' stroke-width='2'/%3E%3C/svg%3E") right 14px center no-repeat;padding-right:36px}
.file-in{padding:12px 14px;min-height:auto;font-size:15px}
.oform .btn{width:100%}
.oform .done h3{font-size:28px}

/* tools page */
.tools-hero{background:#143157;color:#FFFFFF;border-bottom:6px solid var(--orange)}
.tools-hero .wrap{padding-block:64px 56px}
.tools-hero h1{font-size:clamp(44px,5.6vw,68px);color:#FFFFFF}
.tools-hero .sub{font-size:20px;color:#DCE3EE;margin:18px 0 0;max-width:52ch}
.tjump{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tjump a{color:#FFFFFF;text-decoration:none;font-weight:600;padding:10px 16px;border:1px solid rgba(255,255,255,.35);border-radius:999px}
.tjump a:hover{background:rgba(255,255,255,.1)}
.calc{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:start}
@media (max-width:900px){.calc{grid-template-columns:1fr}}
.cin{display:grid;gap:18px}
.grp{border:0;margin:0;padding:0}
.grp legend{font:600 15px/1.2 var(--sans);margin-bottom:8px;padding:0}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (max-width:520px){.three{grid-template-columns:1fr 1fr}}
.lbl small{font-size:14px;line-height:1.4}
.lbl small.hint{display:block}
.oform p.fine{color:var(--muted);font-size:14px;margin:0}
.oform p.err{color:var(--orange-text);font-size:15px;margin:0}
.oform .done p{color:var(--muted);font-size:17px;margin:0}
.cout{background:#143157;color:#FFFFFF;border-radius:8px;padding:28px;display:grid;gap:14px;position:sticky;top:96px}
@media (max-width:900px){.cout{position:static}}
.verdict{font:700 14px/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:#FF8A4D}
.big{font:800 56px/1 var(--head);font-variant-numeric:tabular-nums}
.big small{font-size:22px;color:#DCE3EE;font-weight:700;margin-left:6px}
.kv{margin:0;display:grid;border-top:1px solid rgba(255,255,255,.18)}
.kv div{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.18)}
.kv dt{color:#DCE3EE}
.kv dd{margin:0;font-weight:700;font-variant-numeric:tabular-nums;text-align:right}
.cout .note{color:#B9C6D8;font-size:14px;margin:0}
.cin .note{font-size:14px;color:var(--muted);margin:0}
.tbl-wrap{overflow-x:auto}
.ptbl{width:100%;border-collapse:collapse;min-width:420px}
.ptbl th{text-align:left;font:600 14px/1.2 var(--sans);color:var(--muted);padding:0 8px 8px 0}
.ptbl td{padding:0 8px 8px 0}
.ptbl td:nth-child(2) .in{width:72px}
.ptbl td:nth-child(3) .in{width:100px}
.ptbl .in{min-height:44px}
.ptbl .rm{width:40px;height:44px;border:1px solid var(--line);border-radius:4px;background:var(--card);color:var(--muted);font:700 18px/1 var(--sans);cursor:pointer}
.ptbl .rm:hover{border-color:var(--btn);color:var(--btn)}
.add{justify-self:start;min-height:44px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.prog{font-weight:600;color:var(--muted)}
.prog b{color:var(--ink);font-size:22px}
.clist{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 48px}
@media (max-width:860px){.clist{grid-template-columns:1fr}}
.cgrp h3{font-size:22px;margin-bottom:8px;padding-bottom:8px;border-bottom:3px solid var(--orange)}
.cgrp label{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--line);cursor:pointer;line-height:1.45}
.cgrp input{width:20px;height:20px;margin:3px 0 0;accent-color:#143157;flex:none}
.cgrp input:checked + span{color:var(--muted);text-decoration:line-through}
.ccta{margin-top:40px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding:24px 28px;background:var(--soft);border-radius:8px}
.ccta p{margin:0;font-size:19px}

.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
button[disabled]{opacity:.7;cursor:wait}