/* ledtracklightfactory.com - catalog skeleton, spec-sheet styling */
:root{
  --ink:#1b1c1e;--ink-2:#34363a;--muted:#5d5f64;
  --paper:#f4f1eb;--panel:#fbfaf7;--line:#d8d1c4;--line-2:#e7e1d6;
  --brass:#a5742a;--brass-d:#7a5419;--brass-t:#f1e6d2;--night:#17181b;
  --sans:"Helvetica Neue",Helvetica,Arial,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --r:4px;--wrap:1180px;--sec:clamp(48px,7vw,88px);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.62 var(--sans)}
img{display:block;max-width:100%;height:auto}
a{color:var(--ink);text-decoration-color:var(--brass);text-underline-offset:3px;text-decoration-thickness:1px}
:focus-visible{outline:2px solid var(--brass);outline-offset:2px}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;font-weight:700}
h1{font-size:clamp(2rem,4.2vw,3.25rem);letter-spacing:-.02em}
h2{font-size:clamp(1.4rem,2.4vw,1.9rem);letter-spacing:-.01em}
h3{font-size:1.08rem}
p,ul,ol,dl,table{margin:0 0 1em}
ul,ol{padding-left:1.25em}
li{margin:.25em 0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.prose{max-width:68ch}
.eyebrow{font:500 .78rem/1.3 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--brass-d);margin:0 0 .9em}
.lead{font-size:1.18rem;color:var(--ink-2);max-width:62ch}
.muted{color:var(--muted)}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:8px 12px;z-index:10}
.skip:focus{left:8px}

/* header */
.top{background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top-in{display:flex;align-items:center;gap:24px;min-height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.logo-mark{width:26px;height:26px;border-radius:var(--r);background:var(--ink);position:relative}
.logo-mark::before{content:"";position:absolute;left:5px;right:5px;top:7px;height:3px;background:var(--brass)}
.logo-mark::after{content:"";position:absolute;left:8px;top:13px;width:10px;height:7px;border-radius:0 0 5px 5px;background:var(--brass)}
.logo-name{font-weight:700;letter-spacing:-.01em}
.logo-sub{font:.72rem/1 var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.nav{display:flex;gap:2px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{padding:8px 10px;font-size:.92rem;text-decoration:none;white-space:nowrap;border-bottom:2px solid transparent}
.nav a[aria-current="page"]{border-bottom-color:var(--brass);font-weight:600}

/* buttons */
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;font-weight:600;font-size:.98rem;padding:12px 20px;border:1px solid var(--ink);border-radius:var(--r);transition:background .16s var(--ease),transform .16s var(--ease)}
.btn:active{transform:scale(.97)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-sm{padding:8px 14px;font-size:.9rem}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.4em}

/* hero */
.hero{padding:clamp(36px,6vw,72px) 0 clamp(28px,4vw,48px);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,4vw,56px);align-items:center}
.hero-fig{margin:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--line-2)}
.hero-fig img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-fig figcaption,.fig figcaption{font:.78rem/1.4 var(--mono);color:var(--muted);padding:8px 12px;background:var(--panel);border-top:1px solid var(--line)}

/* spec strip */
.spec{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r);background:var(--panel);margin:28px 0 0}
.spec div{padding:14px 16px;border-left:1px solid var(--line)}
.spec div:first-child{border-left:0}
.spec dt{font:500 .72rem/1.3 var(--mono);text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:4px}
.spec dd{margin:0;font-weight:600;font-size:.98rem}

/* sections */
.sec{padding:var(--sec) 0;border-bottom:1px solid var(--line)}
.sec:last-of-type{border-bottom:0}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:16px 48px;align-items:end;margin-bottom:28px}
.sec-head p{margin:0;color:var(--ink-2)}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:32px 48px}
.cols h3{border-top:2px solid var(--brass);padding-top:12px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:start}
.split.rev>:first-child{order:2}
.fig{margin:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--line-2)}
.fig img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* matrix */
.mx-bar{display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px 28px;padding:16px 18px;margin-bottom:20px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r)}
.mx-group{border:0;margin:0;padding:0;min-width:0}
.mx-group legend{font:500 .72rem/1.3 var(--mono);text-transform:uppercase;letter-spacing:.07em;color:var(--muted);padding:0;margin-bottom:8px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font:600 .88rem/1 var(--sans);color:var(--ink);background:transparent;border:1px solid var(--line);border-radius:var(--r);padding:9px 12px;cursor:pointer;transition:border-color .14s var(--ease),background .14s var(--ease),transform .14s var(--ease)}
.chip:active{transform:scale(.97)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.mx-count{margin:0 0 0 auto;font:.82rem/1.3 var(--mono);color:var(--muted)}
.mx-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.mx-empty{margin:16px 0 0;padding:14px 16px;border:1px dashed var(--line);border-radius:var(--r);background:var(--panel)}

/* series card */
.sc{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:border-color .16s var(--ease)}
.sc-media{display:block;background:var(--line-2)}
.sc-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.sc-plate,.rc-plate{aspect-ratio:4/3;display:flex;flex-direction:column;justify-content:flex-end;padding:16px;background:var(--ink);color:#fff;background-image:linear-gradient(var(--brass),var(--brass));background-size:100% 3px;background-repeat:no-repeat;background-position:0 22%}
.sc-plate span,.rc-plate span{font:700 2rem/1 var(--mono);letter-spacing:-.02em}
.sc-plate small,.rc-plate small{font:.75rem/1.3 var(--mono);text-transform:uppercase;letter-spacing:.07em;color:#d9cbb2;margin-top:6px}
.sc-body{display:flex;flex-direction:column;flex:1;padding:14px 16px 16px}
.sc-tags{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 10px}
.tag{font:500 .7rem/1 var(--mono);text-transform:uppercase;letter-spacing:.06em;padding:5px 8px;border:1px solid var(--line);border-radius:3px;color:var(--ink-2)}
.tag-h{background:var(--brass-t);border-color:#e0cfae;color:var(--brass-d);font-weight:700}
.sc-title{margin:0 0 6px}
.sc-title a{text-decoration:none}
.sc-line{font-size:.93rem;color:var(--ink-2);margin:0 0 12px}
.sc-cta{margin-top:auto;font-weight:600;font-size:.9rem;text-decoration:none;color:var(--brass-d)}
.sc-cta::after{content:" \2192"}
.mx-compact .mx-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.mx-compact .sc-media img,.mx-compact .sc-plate{aspect-ratio:16/10}
.mx-compact .sc-plate span{font-size:1.5rem}

/* tables & lists */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--panel);margin-bottom:1.2em}
table{width:100%;border-collapse:collapse;font-size:.95rem;margin:0}
th,td{text-align:left;vertical-align:top;padding:12px 14px;border-bottom:1px solid var(--line-2)}
thead th{font:500 .72rem/1.3 var(--mono);text-transform:uppercase;letter-spacing:.07em;color:var(--muted);border-bottom:1px solid var(--line)}
tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}
tbody th{font-weight:700;font-family:var(--mono)}
.confirm{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:var(--r);background:var(--panel);counter-reset:cf}
.confirm li{margin:0;padding:12px 14px 12px 44px;position:relative;border-bottom:1px solid var(--line-2);border-right:1px solid var(--line-2);counter-increment:cf}
.confirm li::before{content:counter(cf,decimal-leading-zero);position:absolute;left:14px;top:13px;font:600 .75rem/1.4 var(--mono);color:var(--brass-d)}
.confirm li span{display:block;font:.72rem/1.3 var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-top:2px}
.ticks{list-style:none;padding:0}
.ticks li{padding-left:22px;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:2px;background:var(--brass)}
.steps{list-style:none;padding:0;counter-reset:st;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.steps li{margin:0;padding:16px;background:var(--panel);border:1px solid var(--line);border-top:3px solid var(--brass);border-radius:var(--r);counter-increment:st;font-size:.95rem}
.steps li::before{content:counter(st,decimal-leading-zero);display:block;font:700 .8rem/1 var(--mono);color:var(--brass-d);margin-bottom:10px}
.steps strong{display:block;margin-bottom:4px}
.facts{display:grid;grid-template-columns:200px 1fr;border:1px solid var(--line);border-radius:var(--r);background:var(--panel)}
.facts dt,.facts dd{margin:0;padding:12px 16px;border-bottom:1px solid var(--line-2)}
.facts dt{font:500 .75rem/1.5 var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.facts dt:last-of-type,.facts dd:last-of-type{border-bottom:0}
.note{font-size:.92rem;color:var(--muted);border-left:2px solid var(--brass);padding-left:12px}

/* full range */
.rg{margin-bottom:clamp(36px,5vw,56px)}
.rg-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 16px;border-bottom:1px solid var(--ink);padding-bottom:10px;margin-bottom:16px}
.rg-head h2{margin:0}
.rg-head .count{font:.8rem/1 var(--mono);color:var(--muted)}
.rg-intro{max-width:80ch;color:var(--ink-2);font-size:.98rem}
.rg-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.rc{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.rc img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--line-2)}
.rc-plate span{font-size:1.4rem}
.rc-body{display:flex;flex-direction:column;flex:1;padding:12px 14px 14px}
.rc h3{font-size:1rem;margin:0 0 6px}
.rc p{font-size:.9rem;color:var(--ink-2);margin:0 0 10px}
.rc a.sc-cta{margin-top:auto}
.thumbs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:24px 0}
.thumbs figure{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.thumbs img{width:100%;aspect-ratio:4/3;object-fit:cover}
.thumbs figcaption{font:.76rem/1.35 var(--mono);padding:8px 10px;color:var(--ink-2)}

/* blog */
.post-list{list-style:none;padding:0;display:grid;gap:0;border-top:1px solid var(--line)}
.post-list li{margin:0;padding:22px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:140px 1fr;gap:8px 28px}
.post-list time{font:.8rem/1.6 var(--mono);color:var(--muted)}
.post-list h2{font-size:1.3rem;margin:0 0 6px}
.post-list h2 a{text-decoration:none}
.post-list p{margin:0;color:var(--ink-2)}
.article{padding:clamp(36px,6vw,64px) 0}
.article-body{max-width:70ch}
.article-body h2{margin-top:1.8em}
.article-body h3{margin-top:1.4em}
.article-body img{border:1px solid var(--line);border-radius:var(--r);margin:1.2em 0}
.article-body table{background:var(--panel);border:1px solid var(--line)}
.article-meta{font:.82rem/1.4 var(--mono);color:var(--muted);margin-bottom:1.6em}
.more{margin-top:48px;padding-top:20px;border-top:1px solid var(--line)}

/* form */
.contact-grid{display:grid;grid-template-columns:1.4fr .9fr;gap:clamp(24px,4vw,48px);align-items:start}
.form{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(18px,3vw,28px)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-weight:600;font-size:.92rem}
.field label small{font-weight:400;color:var(--muted)}
input,select,textarea{font:inherit;font-size:1rem;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:11px 12px;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brass);outline-offset:0;border-color:var(--brass)}
textarea{min-height:130px;resize:vertical}
.hp{display:none}
.form .btn{margin-top:18px;cursor:pointer}
.form-note{font-size:.85rem;color:var(--muted);margin:12px 0 0}
.aside{border-top:3px solid var(--brass);background:var(--panel);border-radius:var(--r);padding:20px;border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.aside h2{font-size:1.15rem}
.aside p{font-size:.96rem}

/* CTA band */
.band{background:var(--night);color:#ece7dd;padding:clamp(40px,6vw,64px) 0}
.band-in{display:grid;grid-template-columns:1.5fr auto;gap:20px 40px;align-items:center}
.band h2{color:#fff;margin-bottom:.3em}
.band p{margin:0;color:#cfc8bb;max-width:60ch}
.band .btn{background:var(--brass);border-color:var(--brass);color:#fff}

/* footer */
.foot{background:var(--night);color:#cfc8bb;font-size:.92rem;border-top:1px solid #2b2c30}
.band+.foot{border-top-color:#2b2c30}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px;padding-top:44px;padding-bottom:28px}
.foot a{color:#ece7dd;text-decoration-color:#6b5631}
.foot ul{list-style:none;padding:0;margin:0}
.foot-brand{font-weight:700;color:#fff;margin-bottom:.4em}
.foot-h{font:500 .72rem/1.3 var(--mono);text-transform:uppercase;letter-spacing:.07em;color:#a59c8c;margin-bottom:.7em}
.foot-note{border-top:1px solid #2b2c30;padding-top:16px;padding-bottom:28px;font-size:.82rem;color:#a59c8c}
.foot-note p{margin:0}

/* simple pages */
.plain{padding:clamp(56px,9vw,120px) 0}

/* hover (pointer devices only) */
@media (hover:hover){
  a:hover{color:var(--brass-d)}
  .nav a:hover{color:var(--brass-d)}
  .btn:hover{background:var(--brass-d);border-color:var(--brass-d);color:#fff}
  .btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
  .chip:hover{border-color:var(--ink)}
  .sc:hover{border-color:var(--ink-2)}
  .band .btn:hover{background:#fff;border-color:#fff;color:var(--ink)}
  .foot a:hover{color:#fff}
}

/* responsive */
@media (max-width:1040px){
  .mx-grid,.mx-compact .mx-grid,.rg-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .top-in{flex-wrap:wrap;gap:6px 16px;padding-top:10px}
  .nav{order:3;width:100%;margin:0 -10px}
  .top-cta{margin-left:auto}
  .top{position:static}
  .hero-grid,.split,.cols,.contact-grid,.sec-head,.band-in{grid-template-columns:1fr}
  .split.rev>:first-child{order:0}
  .spec{grid-template-columns:1fr 1fr}
  .spec div:nth-child(3){border-left:0}
  .spec div:nth-child(n+3){border-top:1px solid var(--line)}
  .mx-grid,.mx-compact .mx-grid,.rg-grid,.thumbs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .confirm{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .mx-count{margin-left:0;width:100%}
  .post-list li{grid-template-columns:1fr}
}
@media (max-width:560px){
  body{font-size:1rem}
  .wrap{padding:0 16px}
  .logo-sub{display:none}
  .mx-grid,.mx-compact .mx-grid,.rg-grid,.confirm,.steps,.form-grid{grid-template-columns:1fr}
  .thumbs{grid-template-columns:1fr 1fr}
  .facts{grid-template-columns:1fr}
  .facts dt{border-bottom:0;padding-bottom:0}
  .foot-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
}
@media print{
  .top,.band,.foot,.mx-bar{display:none}
  body{background:#fff}
}