/* ============================================================================
   CG STEEL SOLUTIONS — CONSOLIDATED STYLESHEET
   Single source of truth for every page. Cached across the whole site.
   ========================================================================== */
:root{
  /* "Engineered spec sheet" palette */
  --steel-900:#0e1116;--steel-800:#161b22;--steel-700:#262d36;--steel-600:#39424d;
  --steel-400:#98a3af;--silver:#cbd3da;--concrete:#e9edf0;--concrete-2:#dde3e8;--paper:#f2f5f7;
  --torch:#ff5a1f;--torch-bright:#ff7a40;--ink:#0e1116;
  --galv:#aeb8c2;--blueprint:#0a2f4a;--blueprint-line:rgba(43,124,170,.22);--hazard:#f4c842;
  --ok:#2e7d32;--err:#b3261e;
  --font-display:"Archivo","Oswald",Impact,sans-serif;
  --font-body:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --maxw:1240px;--gutter:clamp(20px,5vw,64px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--steel-900);color:var(--silver);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
:focus-visible{outline:2px solid var(--torch-bright);outline-offset:2px}

/* skip link */
.skip-link{position:absolute;left:-9999px;top:0;z-index:300;background:var(--torch);color:#fff;padding:10px 16px;font-family:var(--font-mono);font-size:13px;border-radius:0 0 3px 0}
.skip-link:focus{left:0}

/* type */
.eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--torch);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--torch)}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.04;text-transform:uppercase;letter-spacing:.01em;color:#fff}
.h-xl{font-size:clamp(44px,8.5vw,104px);font-weight:700;letter-spacing:-.01em}
.h-l{font-size:clamp(32px,5vw,60px)}
.h-m{font-size:clamp(22px,3vw,34px)}
.lead{font-size:clamp(17px,2vw,21px);color:var(--silver);max-width:60ch}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}

/* header / promo */
.promo{height:40px;background:var(--torch);color:#fff;overflow:hidden;display:flex;align-items:center}
.promo-track{display:flex;white-space:nowrap;animation:marquee 36s linear infinite}
.promo:hover .promo-track{animation-play-state:paused}
.promo-set{display:inline-flex;align-items:center}
.promo-set>span{display:inline-flex;align-items:center;gap:7px;padding:0 30px;font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase}
.promo a{text-decoration:underline;text-underline-offset:3px}
@keyframes marquee{to{transform:translateX(-50%)}}

header{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(21,24,28,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--steel-700)}
.nav{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-display);font-weight:700;font-size:20px;color:#fff;text-transform:uppercase;letter-spacing:.04em}
.brand .mark{width:34px;height:34px;flex:none;background:var(--torch);clip-path:polygon(0 0,100% 0,100% 28%,64% 28%,64% 100%,36% 100%,36% 28%,0 28%)}
.brand small{display:block;font-family:var(--font-mono);font-size:9px;letter-spacing:.2em;color:var(--steel-400);font-weight:400;margin-top:2px}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links>a{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.07em;text-transform:uppercase;padding:9px 11px;border-radius:2px;color:var(--steel-400);transition:color .2s;position:relative}
.nav-links>a:hover,.nav-links>a.on{color:#fff}
.nav-links>a.on::after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;background:var(--torch)}
.nav-cta{font-family:var(--font-display);text-transform:uppercase;font-weight:600;letter-spacing:.05em;background:var(--torch);color:#fff;padding:11px 20px;border-radius:2px;font-size:15px;transition:background .2s}
.nav-cta:hover{background:var(--torch-bright)}
.burger{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--steel-600);border-radius:2px}
.burger span{display:block;width:18px;height:2px;background:#fff;margin:3px auto;transition:.25s}
.burger.x span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.burger.x span:nth-child(2){opacity:0}
.burger.x span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.nav-dd{position:relative;display:flex;align-items:center}
.dd-toggle{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.07em;text-transform:uppercase;padding:9px 11px;color:var(--steel-400);transition:color .2s}
.dd-toggle:hover,.dd-toggle.on{color:#fff}
.dd-toggle .caret{font-size:10px;transition:transform .2s}
.nav-dd:hover .caret,.nav-dd.open .caret{transform:rotate(180deg)}
.dd-menu{position:absolute;top:100%;right:0;min-width:360px;display:grid;grid-template-columns:1fr 1fr;background:var(--steel-800);border:1px solid var(--steel-700);border-radius:3px;padding:18px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s;box-shadow:0 24px 60px rgba(0,0,0,.45)}
.nav-dd:hover .dd-menu,.nav-dd.open .dd-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dd-col{padding:4px 10px}
.dd-h{display:block;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--torch);margin-bottom:10px}
.dd-menu a{display:block;text-transform:none;letter-spacing:0;font-size:14px;color:var(--silver);padding:7px 0}
.dd-menu a:hover{color:var(--torch)}
.dd-menu-1{right:auto;left:0}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-display);text-transform:uppercase;font-weight:600;letter-spacing:.05em;font-size:16px;padding:14px 26px;border-radius:2px;transition:.2s}
.btn-primary{background:var(--torch);color:#fff}
.btn-primary:hover{background:var(--torch-bright);transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--steel-600);color:#fff}
.btn-ghost:hover{border-color:var(--torch);color:var(--torch)}
.btn .arr{transition:transform .2s}
.btn:hover .arr{transform:translateX(4px)}

/* hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding-top:112px;overflow:hidden}
.blueprint{position:absolute;inset:0;z-index:0;background:linear-gradient(rgba(21,24,28,.78),rgba(21,24,28,.92)),linear-gradient(var(--steel-700) 1px,transparent 1px),linear-gradient(90deg,var(--steel-700) 1px,transparent 1px);background-size:100% 100%,52px 52px,52px 52px}
.hero .wrap{position:relative;z-index:2;width:100%}
.hero-inner{max-width:780px}
.hero h1{margin:18px 0 22px}
.hero h1 em{color:var(--torch);font-style:normal}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.yt-bg{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none;opacity:0;transition:opacity .45s ease}
.yt-bg.is-playing{opacity:1}
.yt-bg iframe{position:absolute;top:50%;left:50%;width:100vw;height:56.25vw;min-height:100%;min-width:177.78vh;transform:translate(-50%,-50%);border:0}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(21,24,28,.72),rgba(21,24,28,.32) 30%,rgba(21,24,28,.32) 60%,rgba(21,24,28,.66))}
.scroll-cue{position:absolute;left:50%;bottom:30px;z-index:2;transform:translateX(-50%);width:30px;height:48px;border:2px solid rgba(255,255,255,.6);border-radius:16px;display:flex;justify-content:center;padding-top:8px}
.scroll-cue span{width:4px;height:9px;border-radius:2px;background:#fff;animation:scrolldot 1.6s ease-in-out infinite}
@keyframes scrolldot{0%{opacity:0;transform:translateY(-4px)}40%{opacity:1}80%{opacity:0;transform:translateY(10px)}}

/* page-top (interior hero) */
.top{position:relative;padding:140px 0 40px;border-bottom:1px solid var(--steel-700);background:var(--steel-900);overflow:hidden}
.top .blueprint{background:linear-gradient(var(--steel-700) 1px,transparent 1px),linear-gradient(90deg,var(--steel-700) 1px,transparent 1px);background-size:48px 48px;opacity:.5}
.top .wrap{position:relative;z-index:1}
.top h1{font-size:clamp(34px,6vw,58px);margin:14px 0 16px}
.page-top{padding:148px 0 0}

/* breadcrumbs */
.crumbs{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel-400);margin-bottom:14px}
.crumbs a:hover{color:var(--torch)}
.crumbs [aria-current]{color:var(--silver)}

/* bands */
.band{padding:clamp(72px,11vw,128px) 0}
.band-sm{padding:clamp(48px,7vw,84px) 0}
.band-dark{background:var(--steel-900)}
.band-panel{background:var(--steel-800);border-block:1px solid var(--steel-700)}
.band-light{background:var(--concrete);color:var(--ink)}
.band-light h2,.band-light h3{color:var(--ink)}
.band-light .lead,.band-light p{color:#3f454c}
.sec-head{max-width:680px;margin-bottom:56px}
.sec-head h2{margin:16px 0 18px}
.center{text-align:center}
.center .sec-head{margin-inline:auto}
.center .eyebrow{justify-content:center}

/* feature grid */
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--steel-700);border:1px solid var(--steel-700)}
.feat .cell{background:var(--steel-800);padding:34px 30px}
.feat .num{font-family:var(--font-mono);font-size:12px;color:var(--torch);letter-spacing:.1em}
.feat h3{font-size:21px;margin:14px 0 10px}
.feat p{font-size:15px;color:var(--steel-400)}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cards-2{grid-template-columns:repeat(2,1fr)}
.card{display:block;background:var(--steel-800);border:1px solid var(--steel-700);border-radius:3px;overflow:hidden;transition:transform .25s,border-color .25s}
.card:hover{transform:translateY(-4px);border-color:var(--torch)}
.plate{position:relative;aspect-ratio:4/3;background:repeating-linear-gradient(180deg,rgba(255,255,255,.025) 0 2px,transparent 2px 13px),linear-gradient(135deg,var(--steel-600),var(--steel-800));display:flex;align-items:flex-end}
.plate .ridge{position:absolute;top:0;left:0;right:0;height:34%;background:linear-gradient(180deg,rgba(0,0,0,.28),transparent)}
.plate .spec{position:absolute;top:12px;left:12px;font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;color:var(--silver);background:rgba(21,24,28,.55);padding:3px 7px;border:1px solid var(--steel-600)}
.plate .label{position:relative;z-index:2;padding:16px 18px;width:100%;font-family:var(--font-display);text-transform:uppercase;font-size:22px;font-weight:600;color:#fff;background:linear-gradient(0deg,rgba(21,24,28,.85),transparent)}
.card .body{padding:20px}
.card .body p{font-size:14.5px;color:var(--steel-400);margin-bottom:14px}
.card .tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--steel-400);border:1px solid var(--steel-600);padding:4px 8px;border-radius:2px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--steel-700);border:1px solid var(--steel-700)}
.step{background:var(--steel-800);padding:32px 26px;position:relative}
.step .idx{font-family:var(--font-display);font-size:54px;font-weight:700;color:var(--steel-700);line-height:1}
.step h3{font-size:20px;margin:8px 0 12px}
.step p{font-size:14.5px;color:var(--steel-400)}

/* two-column prose / split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-narrow{grid-template-columns:.9fr 1.1fr}
.prose{max-width:72ch}
.prose h2{margin:34px 0 14px}
.prose h3{margin:26px 0 10px;font-size:20px}
.prose p{margin-bottom:16px;color:var(--silver)}
.prose ul,.prose ol{margin:0 0 16px 22px}
.prose li{margin-bottom:8px;color:var(--silver)}
.prose a{color:var(--torch);text-decoration:underline}
.prose .updated{font-family:var(--font-mono);font-size:12px;color:var(--steel-400);margin-bottom:24px}

/* spec list */
.specs{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--steel-700);border:1px solid var(--steel-700);margin-top:8px}
.specs .si{background:var(--steel-800);padding:18px 20px}
.specs .si .k{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel-400)}
.specs .si .v{color:#fff;font-size:16px;margin-top:4px}

/* checklist */
.ticks{list-style:none;margin:0;display:grid;gap:12px}
.ticks li{display:flex;gap:12px;align-items:flex-start;color:var(--silver);font-size:15.5px}
.ticks li::before{content:"";flex:none;width:20px;height:20px;margin-top:2px;border-radius:50%;background:rgba(244,81,30,.16);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ff6a33' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center;background-size:13px}

/* FAQ */
.faq{max-width:820px;margin:0 auto;border-top:1px solid var(--steel-700)}
.faq details{border-bottom:1px solid var(--steel-700)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 4px;font-family:var(--font-display);font-weight:600;text-transform:uppercase;letter-spacing:.03em;font-size:18px;color:#fff}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-mono);font-size:22px;color:var(--torch);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 4px 22px;color:var(--steel-400);font-size:15.5px;line-height:1.7;max-width:70ch}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gal figure{position:relative;aspect-ratio:4/3;border:1px solid var(--steel-700);border-radius:3px;overflow:hidden;background:repeating-linear-gradient(180deg,rgba(255,255,255,.025) 0 2px,transparent 2px 13px),linear-gradient(135deg,var(--steel-600),var(--steel-800));display:flex;align-items:flex-end}
.gal figcaption{position:relative;z-index:2;width:100%;padding:14px 16px;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--silver);background:linear-gradient(0deg,rgba(21,24,28,.85),transparent)}
.gal .gtag{position:absolute;top:10px;left:10px;z-index:2;font-family:var(--font-mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:#fff;background:var(--torch);padding:3px 7px;border-radius:2px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--steel-700);border:1px solid var(--steel-700)}
.stat{background:var(--steel-800);padding:30px 24px;text-align:center}
.stat .n{font-family:var(--font-display);font-weight:700;font-size:clamp(32px,4vw,48px);color:#fff;line-height:1}
.stat .l{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel-400);margin-top:8px}

/* contact info rows */
.info h2{font-size:20px;margin-bottom:18px}
.info .row{display:flex;gap:14px;margin-bottom:20px;align-items:flex-start}
.info .ic{width:38px;height:38px;flex:none;border-radius:3px;background:rgba(244,81,30,.14);display:grid;place-items:center}
.info .ic svg{width:18px;height:18px;stroke:var(--torch);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.info .lbl{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel-400);margin-bottom:3px}
.info .v{font-size:15.5px;color:#fff}
.info .v a{color:var(--torch)}
.grid-contact{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;padding:64px 0 80px;align-items:start}

/* forms */
.formcard{background:var(--steel-800);border:1px solid var(--steel-700);border-radius:4px;padding:clamp(24px,4vw,38px)}
.formcard h2{font-size:22px;margin-bottom:6px}
.formcard p.sub{font-size:14px;color:var(--steel-400);margin-bottom:18px}
.cform{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cform .full{grid-column:1/-1}
.cform label.fl{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel-400);margin-bottom:6px}
.cform input,.cform textarea{width:100%;background:var(--steel-900);border:1px solid var(--steel-600);border-radius:2px;padding:13px 14px;color:#fff;font-family:var(--font-body);font-size:15px}
.cform input:focus,.cform textarea:focus{outline:none;border-color:var(--torch)}
.cform input[aria-invalid="true"],.cform textarea[aria-invalid="true"]{border-color:var(--err)}
.cform textarea{min-height:120px;resize:vertical}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--steel-400);line-height:1.5}
.consent input{margin-top:3px;width:17px;height:17px;flex:none;accent-color:var(--torch)}
.consent a{color:var(--torch);text-decoration:underline}
.form-status{font-family:var(--font-mono);font-size:13px;margin-top:4px}
.form-status.ok{color:#7ee08a}.form-status.err{color:#ff8a7a}
.hp{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;overflow:hidden}

/* estimator */
.config{display:grid;grid-template-columns:1.1fr .9fr;gap:0;border:1px solid var(--steel-700);border-radius:4px;overflow:hidden;margin-top:34px}
.config .form{background:var(--steel-800);padding:clamp(26px,4vw,44px)}
.config .out{background:var(--steel-900);padding:clamp(26px,4vw,44px)}
.field{margin-bottom:24px}
.field>label{display:block;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel-400);margin-bottom:10px}
.use-opts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.use-opts button{font-size:13px;padding:12px 8px;border:1px solid var(--steel-600);border-radius:2px;color:var(--silver);transition:.18s}
.use-opts button.on{background:var(--torch);border-color:var(--torch);color:#fff}
.use-opts button:hover:not(.on){border-color:var(--silver)}
.st-row{display:flex;align-items:center;justify-content:space-between;gap:14px;background:var(--steel-900);border:1px solid var(--steel-600);border-radius:3px;padding:11px 14px}
.st-row label{margin:0;color:var(--steel-400);font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.st-val{font-family:var(--font-display);font-weight:700;font-size:23px;color:#fff;line-height:1;margin-top:3px}
.st-ctrls{display:flex;gap:8px}
.st-btn{width:44px;height:44px;border:1px solid var(--steel-600);border-radius:3px;font-size:24px;color:#fff;background:var(--steel-800);display:grid;place-items:center;line-height:1;transition:.15s;-webkit-tap-highlight-color:transparent}
.st-btn:hover{border-color:var(--torch);color:var(--torch)}
.st-btn:active{background:var(--torch);color:#fff;border-color:var(--torch)}
.checks{display:flex;flex-direction:column;gap:10px}
.checks label{display:flex;align-items:center;gap:10px;color:var(--silver);font-size:14px;cursor:pointer}
.checks input{width:17px;height:17px;accent-color:var(--torch)}
.price{font-family:var(--font-display);font-weight:700;font-size:clamp(40px,6vw,60px);color:#fff;line-height:1}
.price small{font-size:18px;color:var(--steel-400);font-weight:400}
.out .note{font-family:var(--font-mono);font-size:11.5px;color:var(--steel-400);margin-top:14px;line-height:1.7}
.breakdown{margin:26px 0;border-top:1px solid var(--steel-700)}
.breakdown .li{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--steel-700);font-family:var(--font-mono);font-size:13px}
.breakdown .li span:first-child{color:var(--steel-400)}
.pay{margin-top:22px;border-top:1px solid var(--steel-700);padding-top:18px}
.pay-l{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel-400)}
.pay-v{font-family:var(--font-display);font-weight:700;font-size:36px;color:var(--torch-bright);line-height:1;margin-top:6px}
.pay-v small{font-size:16px;color:var(--steel-400);font-weight:400}
.pay-note{font-family:var(--font-mono);font-size:10.5px;line-height:1.65;color:var(--steel-400);margin-top:10px;max-width:48ch}
.pay-note a{color:var(--torch)}

/* visualizer */
.cv-shell{display:grid;grid-template-columns:1fr 420px;height:min(78vh,720px);min-height:500px;border:1px solid var(--steel-700);border-radius:4px;overflow:hidden;background:var(--steel-900)}
.cv-stage{position:relative;background:radial-gradient(120% 120% at 50% 18%,#262c33 0%,#171a1e 55%,#101316 100%)}
.cv-stage canvas{display:block;width:100%;height:100%;touch-action:none}
.cv-fallback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel-400)}
.cv-hint{position:absolute;top:16px;left:16px;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel-400);background:rgba(21,24,28,.55);border:1px solid var(--steel-700);padding:6px 10px;border-radius:2px;pointer-events:none}
.cv-colors{position:absolute;bottom:16px;left:16px;background:rgba(21,24,28,.7);border:1px solid var(--steel-700);border-radius:3px;padding:11px 13px}
.cv-colors .clbl{display:block;font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--steel-400);margin-bottom:9px}
.cv-swatches{display:flex;gap:7px;flex-wrap:wrap;max-width:230px}
.sw{width:24px;height:24px;border-radius:3px;border:2px solid transparent;cursor:pointer;transition:transform .15s,border-color .15s}
.sw:hover{transform:scale(1.12)}
.sw.on{border-color:#fff}
.cv-panel{background:var(--steel-800);border-left:1px solid var(--steel-700);display:flex;flex-direction:column;overflow:hidden}
.cv-head{padding:30px 30px 22px;border-bottom:1px solid var(--steel-700)}
.cv-title-3d{font-family:var(--font-display);font-weight:700;text-transform:uppercase;color:#fff;font-size:34px;line-height:1.02;margin:14px 0 10px}
.cv-sub{font-size:14px;color:var(--steel-400);line-height:1.55;max-width:36ch}
.cv-acc{flex:1;overflow-y:auto}
.acc-item{border-bottom:1px solid var(--steel-700)}
.acc-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:17px 30px;border:none;background:none;cursor:pointer;text-align:left;font-family:var(--font-display);font-weight:600;text-transform:uppercase;letter-spacing:.05em;font-size:16px;color:var(--silver);transition:background .18s,color .18s}
.acc-head:hover{color:#fff;background:rgba(255,255,255,.03)}
.acc-item.open .acc-head{background:var(--torch);color:#fff}
.acc-head .chev{transition:transform .25s;flex:none}
.acc-item.open .acc-head .chev{transform:rotate(180deg)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc-body p{padding:4px 30px 22px;font-size:14px;line-height:1.65;color:var(--steel-400)}

/* lead popup */
.lead-pop{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(10,12,14,.78);backdrop-filter:blur(4px)}
.lead-pop.show{display:flex;animation:fade .3s ease both}
@keyframes fade{from{opacity:0}to{opacity:1}}
.lead-card{position:relative;width:100%;max-width:460px;background:var(--steel-800);border:1px solid var(--steel-700);border-top:4px solid var(--torch);border-radius:5px;padding:34px 30px 26px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lead-x{position:absolute;top:12px;right:14px;width:34px;height:34px;border-radius:50%;font-size:22px;color:var(--steel-400);border:1px solid var(--steel-600)}
.lead-x:hover{color:#fff;border-color:var(--torch)}
.lead-badge{font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--torch);border:1px solid var(--torch);padding:5px 10px;border-radius:2px;display:inline-block}
.lead-h{font-family:var(--font-display);font-weight:700;text-transform:uppercase;color:#fff;font-size:34px;line-height:1.02;margin:16px 0 6px}
.lead-offer{font-size:16px;color:var(--silver);margin-bottom:20px}
.lead-offer strong{color:var(--torch-bright);font-family:var(--font-display);font-weight:700}
.lead-form{display:grid;gap:11px}
.lead-form .row2{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.lead-form input,.lead-form textarea{width:100%;background:var(--steel-900);border:1px solid var(--steel-600);border-radius:2px;padding:12px 13px;color:#fff;font-family:var(--font-body);font-size:15px}
.lead-form input:focus,.lead-form textarea:focus{outline:none;border-color:var(--torch)}
.lead-form textarea{min-height:72px;resize:vertical}
.lead-submit{margin-top:4px;width:100%;justify-content:center}
.lead-skip{display:block;width:100%;background:none;color:var(--steel-400);font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;text-transform:uppercase;padding:8px;text-align:center}
.lead-skip:hover{color:var(--silver)}
.lead-fine{font-family:var(--font-mono);font-size:10.5px;line-height:1.6;color:var(--steel-400);margin-top:14px}

/* CTA band */
.cta-band{text-align:center}
.cta-band .lead{margin:0 auto 30px}

/* footer */
footer{background:var(--steel-900);border-top:1px solid var(--steel-700);padding:64px 0 28px}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
footer h4{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel-400);margin-bottom:18px}
footer ul{list-style:none}
footer li{margin-bottom:10px}
footer li a{color:var(--silver);font-size:14.5px}
footer li a:hover{color:var(--torch)}
.fsocial{display:flex;gap:10px;margin-top:18px}
.fsocial a{width:36px;height:36px;border:1px solid var(--steel-600);border-radius:3px;display:grid;place-items:center;transition:.2s}
.fsocial a:hover{border-color:var(--torch)}
.fsocial svg{width:17px;height:17px;fill:var(--steel-400);transition:fill .2s}
.fsocial a:hover svg{fill:var(--torch)}
.fbar{border-top:1px solid var(--steel-700);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-family:var(--font-mono);font-size:11.5px;color:var(--steel-400);letter-spacing:.05em}
.fbar a{color:var(--steel-400)}
.fbar a:hover{color:var(--torch)}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:980px){.feat,.cards,.steps,.stats{grid-template-columns:repeat(2,1fr)}.fgrid{grid-template-columns:1fr 1fr}.gal{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr;gap:32px}.split-narrow{grid-template-columns:1fr}}
@media(max-width:900px){.nav-links,.nav .nav-cta{display:none}.burger{display:block}
  .nav-links.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--steel-800);border-bottom:1px solid var(--steel-700);padding:14px var(--gutter);gap:2px;max-height:80vh;overflow:auto}
  .nav-links.open>a{padding:13px 4px}
  .nav-dd{flex-direction:column;align-items:stretch}.dd-toggle{padding:13px 4px;justify-content:space-between;width:100%}
  .dd-menu,.dd-menu-1{position:static;opacity:1;visibility:visible;transform:none;display:block;min-width:0;border:0;box-shadow:none;background:transparent;padding:0 0 10px 12px}}
@media(max-width:860px){.cv-shell{grid-template-columns:1fr;height:auto}.cv-stage{height:52vh;min-height:340px}.cv-panel{border-left:none;border-top:1px solid var(--steel-700)}.config{grid-template-columns:1fr}.grid-contact{grid-template-columns:1fr;gap:36px}}
@media(max-width:680px){.feat,.cards,.cards-2,.steps,.stats,.specs{grid-template-columns:1fr}.fgrid{grid-template-columns:1fr}.gal{grid-template-columns:1fr}.lead-form .row2{grid-template-columns:1fr}.use-opts,.cform{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* ========================================================================
   "ENGINEERED SPEC SHEET" IDENTITY (site-wide)
   ======================================================================== */
h1,h2,h3{letter-spacing:-.005em}
.h-xl{letter-spacing:-.02em;font-weight:800}
.brand{letter-spacing:.02em}

/* blueprint surfaces */
.hero .blueprint{
  background:
    radial-gradient(130% 90% at 72% 8%, rgba(43,124,170,.20), transparent 58%),
    linear-gradient(rgba(14,17,22,.82), rgba(14,17,22,.94)),
    linear-gradient(var(--blueprint-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--blueprint-line) 1px, transparent 1px),
    linear-gradient(var(--blueprint-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--blueprint-line) 1px, transparent 1px);
  background-size:100% 100%,100% 100%,190px 190px,190px 190px,38px 38px,38px 38px;
}
.top .blueprint{
  background:
    linear-gradient(var(--blueprint-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--blueprint-line) 1px,transparent 1px),
    linear-gradient(var(--blueprint-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--blueprint-line) 1px,transparent 1px);
  background-size:190px 190px,190px 190px,38px 38px,38px 38px;opacity:.75;
}

/* interior page drawing stamp (no per-page markup needed) */
.top::after{
  content:"REV A \00B7 NTS";position:absolute;right:var(--gutter);bottom:16px;z-index:1;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--steel-400);border:1px solid var(--steel-600);padding:6px 10px;background:rgba(14,17,22,.5)
}
@media(max-width:680px){.top::after{display:none}}

/* feature markers as spec tags (not a decorative sequence) */
.feat .num{display:inline-block;color:var(--galv);border:1px solid var(--steel-600);border-left:2px solid var(--torch);padding:3px 9px;font-size:10.5px;letter-spacing:.14em}

/* galvanized metal plates + single hazard accent */
.plate{background:repeating-linear-gradient(180deg,rgba(255,255,255,.04) 0 1px,transparent 1px 11px),linear-gradient(135deg,var(--galv) -10%,var(--steel-600) 38%,var(--steel-800) 100%)}
.plate .spec{border-left:2px solid var(--hazard)}

/* status-ticker promo */
.promo{background:var(--steel-800);color:var(--galv);border-bottom:1px solid var(--steel-700)}
.promo-set>span{color:var(--steel-400)}
.promo-set>span b{color:var(--galv)}
.promo a{color:var(--torch)}

/* visualizer framed as the centerpiece */
.cv-shell{border-color:var(--steel-600);box-shadow:0 0 0 1px rgba(43,124,170,.10),0 30px 80px rgba(0,0,0,.45)}

/* process numerals (a real sequence) as engineered figures */
.step .idx{color:#1d2630;-webkit-text-stroke:1px var(--steel-600)}

/* interactive HQ map (contact page) */
.map-embed{margin-top:24px;border:1px solid var(--steel-700);border-radius:4px;overflow:hidden}
.map-embed iframe{display:block;width:100%;height:240px;border:0;filter:grayscale(.25) contrast(1.05) brightness(.95)}
.map-embed a{display:block;padding:10px 14px;background:var(--steel-800);border-top:1px solid var(--steel-700);font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel-400)}
.map-embed a:hover{color:var(--torch)}

/* real brand logo (swapped in by app.js when images/logo-icon.png exists) */
.brand-logo{height:46px;width:auto;display:block}
@media(max-width:480px){.brand-logo{height:40px}}

/* featured real builds: photo slot (swapped in by app.js) + logo watermark */
.plate.has-img{background-size:cover;background-position:center;background-repeat:no-repeat}
.plate.has-img::after{content:"";position:absolute;right:10px;top:10px;width:72px;height:72px;z-index:3;background:url("logo-watermark.png") center/contain no-repeat;opacity:.6;pointer-events:none}
.build-card{cursor:default}
.build-card .body h3{font-size:20px;margin:0 0 4px}
.build-card .dims{font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;color:var(--galv);margin-bottom:10px}
.build-card .spec-list{list-style:none;margin:0;display:grid;gap:6px}
.build-card .spec-list li{font-size:13.5px;color:var(--steel-400);padding-left:15px;position:relative;line-height:1.5}
.build-card .spec-list li::before{content:"\203A";position:absolute;left:0;color:var(--torch)}
.callprice{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}
.callprice .btn{font-size:14px;padding:11px 18px}

/* home hero title block signature */
.titleblock{position:absolute;right:var(--gutter);bottom:36px;z-index:2;display:grid;grid-template-columns:max-content 1fr;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;background:rgba(14,17,22,.62);backdrop-filter:blur(6px);border:1px solid var(--steel-600);animation:tb-in .7s ease .2s both}
.titleblock span{padding:8px 14px;border-top:1px solid var(--steel-700)}
.titleblock span:nth-child(1),.titleblock span:nth-child(2){border-top:none}
.titleblock .k{color:var(--steel-400)}
.titleblock .v{color:#fff;border-left:1px solid var(--steel-700)}
.titleblock .stamp{grid-column:1/-1;color:var(--torch);text-align:center;border-top:1px solid var(--steel-700)}
@keyframes tb-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media(max-width:680px){.titleblock{display:none}}