:root{
  --red:#e1322a; --red-dark:#bc241d; --red-soft:#fdeceb;
  --ink:#252a2b; --ink2:#3e4546; --gray:#7e8688; --line:#e3e6e6;
  --bg:#f4f5f5; --card:#ffffff; --text:#252a2b; --muted:#5d6567;
  --green:#1e874b; --green-soft:#e6f4ec; --blue:#1d6fb8;
  --logo-ink:#3F4545; --hero:#252a2b; --hero-text:#fff;
  --shadow:0 1px 2px rgba(20,24,25,.06),0 6px 18px rgba(20,24,25,.06);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#16191a; --card:#1f2324; --text:#eceeee; --muted:#a4abad; --line:#303637;
    --ink:#0f1112; --ink2:#c9cdce; --red-soft:#3a1d1b; --green-soft:#16301f;
    --logo-ink:#e7e9e9; --hero:#0f1112; --shadow:0 1px 2px rgba(0,0,0,.4);
  }
}
:root[data-theme="dark"]{
  --bg:#16191a; --card:#1f2324; --text:#eceeee; --muted:#a4abad; --line:#303637;
  --ink:#0f1112; --ink2:#c9cdce; --red-soft:#3a1d1b; --green-soft:#16301f;
  --logo-ink:#e7e9e9; --hero:#0f1112; --shadow:0 1px 2px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--text);font:15px/1.55 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
.wrap{max-width:1290px;margin:0 auto;padding:0 16px}
h1,h2,h3,.cond{font-family:"Barlow Condensed",Inter,sans-serif;letter-spacing:.2px;line-height:1.1}
h1{font-size:clamp(30px,4.4vw,48px);margin:0 0 12px}
h2{font-size:clamp(24px,3vw,32px);margin:0 0 16px}
h3{font-size:21px;margin:0 0 8px}

/* preview ribbon (PL, only for owner) */
.ribbon{background:#fff6d6;color:#5b4a00;font-size:13px;text-align:center;padding:7px 16px;border-bottom:1px solid #f0e2a8}
:root[data-theme="dark"] .ribbon{background:#3a3214;color:#f3e3a3;border-color:#5a4d1c}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .ribbon{background:#3a3214;color:#f3e3a3;border-color:#5a4d1c}}

/* top bar */
.topbar{background:var(--ink);color:#d6dadb;font-size:13px}
.topbar .wrap{display:flex;gap:18px;align-items:center;justify-content:space-between;min-height:36px;flex-wrap:wrap}
.topbar .usp{display:flex;gap:18px;flex-wrap:wrap}
.topbar .usp span::before{content:"✓ ";color:#6fd39a}
.lang{display:flex;gap:4px}
.lang button{background:transparent;border:1px solid #4b5253;color:#d6dadb;border-radius:4px;padding:1px 8px;font-size:12px}
.lang button.on{background:var(--red);border-color:var(--red);color:#fff}

/* header */
header.main{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
header.main .wrap{display:flex;align-items:center;gap:22px;min-height:76px}
.logo svg{height:40px;width:auto;display:block}
.search{flex:1;display:flex;max-width:620px}
.search input{flex:1;min-width:0;border:2px solid var(--line);border-right:0;border-radius:6px 0 0 6px;padding:10px 14px;font:inherit;background:var(--card);color:var(--text)}
.search input:focus{outline:none;border-color:var(--red)}
.search button{background:var(--red);border:0;color:#fff;padding:0 18px;border-radius:0 6px 6px 0;font-weight:600}
.hcontact{font-size:13px;color:var(--muted);text-align:right;white-space:nowrap}
.hcontact b{display:block;color:var(--text);font-size:15px}
nav.cats{background:var(--card);border-bottom:1px solid var(--line)}
nav.cats .wrap{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
nav.cats a{padding:12px 14px;font-weight:600;font-size:14px;white-space:nowrap;border-bottom:3px solid transparent;color:var(--ink2)}
nav.cats a:hover,nav.cats a.on{color:var(--red);border-bottom-color:var(--red)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:6px;padding:12px 20px;font-weight:700;font-size:15px}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark)}
.btn-ghost{background:transparent;border:2px solid currentColor}
.btn-block{width:100%;justify-content:center}

/* hero */
.hero{background:var(--hero);color:var(--hero-text);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;padding-top:48px;padding-bottom:48px}
.hero p{color:#c9cfd0;font-size:17px;max-width:560px}
.hero .kicker{color:#ff8a83;font-weight:700;text-transform:uppercase;font-size:13px;letter-spacing:1.4px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.hero-art{background:radial-gradient(circle at 60% 40%,#3a4142,#1b1f20 70%);border-radius:14px;padding:18px;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center}
.hero-art svg{width:100%;height:auto}

/* sections */
section{padding:40px 0}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.tile{background:var(--card);border-radius:10px;padding:18px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:6px;border:1px solid var(--line);transition:transform .15s}
.tile:hover{transform:translateY(-2px);border-color:var(--red)}
.tile .ic{width:44px;height:44px;border-radius:10px;background:var(--red-soft);color:var(--red);display:flex;align-items:center;justify-content:center;font-family:"Barlow Condensed";font-weight:700;font-size:18px}
.tile b{font-size:16px}
.tile small{color:var(--muted)}
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.trust div{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px}
.trust b{display:block;font-family:"Barlow Condensed";font-size:20px;color:var(--red)}
.trust span{color:var(--muted);font-size:14px}

/* product grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.pcard .img{background:#fff;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:14px;position:relative;border-bottom:1px solid var(--line)}
.pcard .img svg{width:100%;height:100%}
.badge{position:absolute;top:10px;left:10px;font-size:11px;font-weight:700;padding:3px 8px;border-radius:4px;text-transform:uppercase;letter-spacing:.5px}
.b-laser{background:var(--green);color:#fff}
.b-top{background:var(--red);color:#fff}
.pcard .body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.pcard .name{font-weight:600;font-size:15px;line-height:1.35}
.pcard .meta{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:12px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:2px 9px;color:var(--muted)}
.pcard .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:6px}
.avail{font-size:13px;color:var(--green);font-weight:600}
.avail::before{content:"● "}
.link-more{font-weight:700;color:var(--red);font-size:14px}

/* category layout */
.crumbs{font-size:13px;color:var(--muted);padding:16px 0 4px}
.crumbs a:hover{color:var(--red)}
.catlayout{display:grid;grid-template-columns:250px 1fr;gap:22px;align-items:start}
aside.filters{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;position:sticky;top:96px}
aside.filters h4{margin:14px 0 8px;font-size:13px;text-transform:uppercase;letter-spacing:.8px;color:var(--muted)}
aside.filters h4:first-child{margin-top:0}
aside.filters label{display:flex;gap:8px;align-items:center;font-size:14px;padding:3px 0;cursor:pointer}
aside.filters input{accent-color:var(--red)}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.toolbar select{border:1px solid var(--line);border-radius:6px;padding:7px 10px;background:var(--card);color:var(--text);font:inherit}
.catintro{color:var(--muted);max-width:820px}
.empty{grid-column:1/-1;background:var(--card);border:1px dashed var(--line);border-radius:10px;padding:28px;text-align:center;color:var(--muted)}

/* product page */
.pp{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:start;padding-top:8px}
.gallery .mainimg{background:#fff;border:1px solid var(--line);border-radius:12px;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:26px}
.gallery .mainimg svg{width:100%;height:100%}
.thumbs{display:flex;gap:10px;margin-top:10px}
.thumbs button{flex:0 0 76px;height:76px;background:#fff;border:2px solid var(--line);border-radius:8px;padding:6px}
.thumbs button.on{border-color:var(--red)}
.thumbs svg{width:100%;height:100%}
.ppinfo .sku{color:var(--muted);font-size:13px}
.keyspecs{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:18px 0}
.keyspecs div{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:10px 12px}
.keyspecs b{display:block;font-family:"Barlow Condensed";font-size:24px;color:var(--ink2)}
.keyspecs span{font-size:13px;color:var(--muted)}
.buybox{background:var(--card);border:2px solid var(--red);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:10px}
.buybox p{margin:0;font-size:14px;color:var(--muted)}
.ticks{list-style:none;padding:0;margin:14px 0 0}
.ticks li{padding:4px 0 4px 26px;position:relative}
.ticks li::before{content:"✓";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;background:var(--green-soft);color:var(--green);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.tabs{display:flex;gap:4px;border-bottom:2px solid var(--line);margin-top:38px;overflow-x:auto}
.tabs button{background:none;border:0;padding:12px 16px;font-weight:700;color:var(--muted);border-bottom:3px solid transparent;margin-bottom:-2px;white-space:nowrap}
.tabs button.on{color:var(--red);border-bottom-color:var(--red)}
.tabpanel{background:var(--card);border:1px solid var(--line);border-top:0;border-radius:0 0 10px 10px;padding:22px}
.tabpanel[hidden]{display:none}
table.params{width:100%;border-collapse:collapse}
table.params td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
table.params td:first-child{color:var(--muted);width:42%}
table.params tr:nth-child(odd) td{background:color-mix(in srgb,var(--bg) 55%,transparent)}
ol.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:12px}
ol.steps li{counter-increment:s;position:relative;padding:12px 14px 12px 56px;background:var(--bg);border-radius:8px}
ol.steps li::before{content:counter(s);position:absolute;left:14px;top:12px;width:30px;height:30px;border-radius:50%;background:var(--red);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-family:"Barlow Condensed";font-size:18px}
details{border:1px solid var(--line);border-radius:8px;padding:0 14px;margin-bottom:10px;background:var(--card)}
details summary{cursor:pointer;padding:12px 0;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:10px}
details summary::after{content:"+";color:var(--red);font-weight:700}
details[open] summary::after{content:"–"}
details p{margin:0 0 12px;color:var(--muted)}
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.feat div{background:var(--bg);border-radius:8px;padding:14px}
.feat b{display:block;margin-bottom:4px}

/* footer */
footer{background:var(--ink);color:#c9cfd0;margin-top:40px;font-size:14px}
footer .wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:24px;padding-top:36px;padding-bottom:28px}
footer h5{color:#fff;font-family:"Barlow Condensed";font-size:18px;margin:0 0 10px}
footer a{display:block;padding:2px 0;color:#c9cfd0}
footer a:hover{color:#fff}
.copy{border-top:1px solid #394041;text-align:center;padding:14px 16px;font-size:12px;color:#8d9597}
.foot-logo svg{height:34px;width:auto}
.foot-logo{--logo-ink:#e7e9e9}

/* modal */
.modal{position:fixed;inset:0;background:rgba(10,12,13,.55);display:none;align-items:center;justify-content:center;padding:16px;z-index:50}
.modal.on{display:flex}
.dialog{background:var(--card);color:var(--text);border-radius:12px;max-width:480px;width:100%;padding:22px;max-height:92vh;overflow:auto}
.dialog .x{float:right;background:none;border:0;font-size:24px;line-height:1;color:var(--muted)}
.dialog label{display:block;font-size:13px;font-weight:600;margin:10px 0 4px}
.dialog input,.dialog textarea{width:100%;border:1px solid var(--line);border-radius:6px;padding:9px 11px;font:inherit;background:var(--card);color:var(--text)}
.dialog textarea{min-height:80px;resize:vertical}
.note{font-size:12px;color:var(--muted);margin-top:10px}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%) translateY(20px);background:var(--ink2);color:var(--card);padding:10px 16px;border-radius:8px;font-size:14px;opacity:0;transition:.2s;pointer-events:none;z-index:60;max-width:calc(100% - 32px);text-align:center}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
.theme-t{background:transparent;border:1px solid #4b5253;color:#d6dadb;border-radius:4px;padding:1px 8px;font-size:12px}

/* responsive */
@media (max-width:980px){
  .hero .wrap,.pp{grid-template-columns:1fr}
  .tiles,.trust{grid-template-columns:repeat(2,1fr)}
  .grid{grid-template-columns:repeat(2,1fr)}
  .catlayout{grid-template-columns:1fr}
  aside.filters{position:static}
  footer .wrap{grid-template-columns:1fr 1fr}
  .hcontact{display:none}
  .feat{grid-template-columns:1fr}
}
@media (max-width:600px){
  header.main .wrap{flex-wrap:wrap;gap:10px;padding-top:10px;padding-bottom:10px}
  .logo svg{height:30px}
  .search{flex-basis:100%;max-width:none;order:3}
  .grid,.tiles,.trust{grid-template-columns:1fr}
  .keyspecs{grid-template-columns:1fr 1fr}
  footer .wrap{grid-template-columns:1fr}
  .topbar .usp span:nth-child(n+2){display:none}
  .tabpanel{padding:16px}
}
.btn-block{width:100%}
.form-ok{color:var(--green);font-weight:600}
.form-err{color:var(--red);font-weight:600}
.lang-a{border:1px solid #4b5253;color:#d6dadb;border-radius:4px;padding:1px 8px;font-size:12px}
.lang-a.on{background:var(--red);border-color:var(--red);color:#fff}
.pcard .img img,.gallery .mainimg img,.hero-art img{width:100%;height:100%;object-fit:contain}
.thumbs a{flex:0 0 76px;height:76px;background:#fff;border:2px solid var(--line);border-radius:8px;padding:4px;display:block}
.thumbs a img{width:100%;height:100%;object-fit:contain}
.dialog a{color:var(--red)}
/* wertectools.com additions */
.vtable{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:8px 0 4px}
table.vt{min-width:520px}
table.vt th{text-align:left;font-size:13px;color:var(--muted);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line)}
table.vt td{white-space:nowrap}
table.vt tr:target td{background:var(--red-soft)}
.prose p{margin:0 0 14px}
.prose a{color:var(--red);text-decoration:underline}
.inqbox{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px 22px;margin:22px 0 40px;box-shadow:var(--shadow)}
.inqbox label,.dialog label{display:block;font-weight:600;font-size:13px;margin:12px 0 4px}
.inqbox input,.inqbox textarea,.inqbox select,.dialog select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--text);font:inherit}
.inqbox textarea{min-height:90px}
.sres{list-style:none;padding:0;margin:0}
.sres li a{display:flex;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.sres img{border-radius:8px;background:#fff;flex:0 0 auto}
.sres b{display:block}.sres small{color:var(--muted)}
.cattext{margin:36px 0 10px;color:var(--muted)}
nav.cats .wrap{overflow-x:auto;scrollbar-width:none}
nav.cats .wrap::-webkit-scrollbar{display:none}
nav.cats a{white-space:nowrap}
.thumbs a.on{outline:2px solid var(--red);outline-offset:1px}
.tabpanel h2{font-size:24px}
.feat span{display:block;color:var(--muted);font-size:14px;margin-top:4px}
.pp>*{min-width:0}
.gallery .mainimg img{width:100%;height:auto;display:block;max-width:100%}
.hero-art img{max-width:100%;height:auto}
.thumbs{display:flex;flex-wrap:wrap;gap:8px}
.thumbs a{flex:0 0 auto}
.thumbs a img{width:64px;height:64px;object-fit:contain;background:#fff;border-radius:8px}