:root{
  --bg:#0a0a0a;--bg-2:#0e0e0f;--panel:#131314;--panel-2:#19191b;--line:#232325;--line-2:#2d2d30;
  --text:#e8e6e1;--muted:#9a9890;--dim:#6c6a65;
  --accent:#e8891a;--accent-2:#f3a24a;--accent-soft:rgba(232,137,26,.12);
  --radius:4px;--wrap:1180px;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none}
.wrap{width:min(var(--wrap),100% - 40px);margin-inline:auto}
h1,h2,h3,h4{font-weight:600;line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(34px,5vw,56px)}
h2{font-size:clamp(26px,3.2vw,36px)}
h3{font-size:18px}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.kicker::before{content:'';width:18px;height:1px;background:var(--accent)}
.lead{font-size:17px;color:var(--muted);max-width:560px}
.section{padding:88px 0}
section[id],.band{scroll-margin-top:80px}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:40px;flex-wrap:wrap}
.section-intro{color:var(--muted);max-width:620px;margin-top:12px}
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.empty{color:var(--dim);padding:40px 0;text-align:center}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border:1px solid var(--accent);border-radius:var(--radius);background:var(--accent);color:#0a0a0a;font-weight:600;font-size:14px;letter-spacing:.02em;transition:background .2s,border-color .2s,color .2s;white-space:nowrap}
.btn:hover{background:var(--accent-2);border-color:var(--accent-2)}
.btn-outline{background:transparent;color:var(--text);border-color:var(--line-2)}
.btn-outline:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--text)}
.btn-sm{padding:9px 16px;font-size:13px}
.link-arrow{font-size:13px;font-weight:600;color:var(--accent)}
.link-arrow::after{content:' →'}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,10,10,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand img{height:40px;width:auto}
.brand-text{font-weight:700;font-size:20px;letter-spacing:.06em;text-transform:uppercase}
.site-nav{display:flex;gap:26px;font-size:13.5px;font-weight:500}
.site-nav a{color:var(--muted);padding:6px 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.site-nav a:hover{color:var(--text);border-color:var(--accent)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:42px;height:42px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{width:20px;height:2px;background:var(--text);transition:.2s}

/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:radial-gradient(60% 60% at 80% 30%,rgba(232,137,26,.10),transparent 70%),var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:88px 0}
.hero h1{margin-bottom:18px}
.hero .lead{margin-bottom:30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.highlights{display:flex;flex-wrap:wrap;gap:28px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.highlights li{display:flex;flex-direction:column;gap:2px}
.highlights strong{font-size:20px;font-weight:600}
.highlights span{font-size:12px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.hero-frame{background:linear-gradient(160deg,#141415,#0c0c0d);border:1px solid var(--line);border-radius:6px;padding:40px 28px;display:flex;align-items:center;justify-content:center;min-height:320px}
.hero-frame img{max-height:420px;object-fit:contain}
.hero-caption{display:block;margin-top:12px;font-size:13px;color:var(--muted)}
.hero-caption span{color:var(--dim)}
.hero-caption:hover{color:var(--accent)}

/* Filters / chips */
.filters{display:flex;gap:8px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--line-2);border-radius:999px;font-size:13px;color:var(--muted);transition:.2s}
.chip i{width:10px;height:10px;border-radius:50%;display:inline-block;border:1px solid rgba(255,255,255,.18)}
.chip:hover{color:var(--text);border-color:var(--dim)}
.chip.is-active{color:#0a0a0a;background:var(--accent);border-color:var(--accent)}
.chip.is-active i{border-color:rgba(0,0,0,.3)}

/* Product card */
.card{background:var(--panel);border:1px solid var(--line);border-radius:6px;overflow:hidden;display:flex;flex-direction:column;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--line-2);transform:translateY(-2px)}
.card.is-hidden{display:none}
.card-media{position:relative;display:block;aspect-ratio:4/3;background:radial-gradient(70% 70% at 50% 50%,#1b1b1d,#0f0f10);border-bottom:1px solid var(--line)}
.badge{position:absolute;top:12px;left:12px;z-index:2;font-size:10.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;padding:5px 9px;border-radius:3px;background:rgba(10,10,10,.8);border:1px solid var(--line-2);color:var(--accent)}
.badge-inline{position:static;display:inline-block;margin-bottom:14px}
.variant-visual{position:absolute;inset:0;display:none;align-items:center;justify-content:center;padding:28px}
.variant-visual.is-active{display:flex}
.variant-visual img{width:100%;height:100%;object-fit:contain}
.variant-visual .belt{width:100%;height:auto}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-size:18px}
.card h3 a:hover{color:var(--accent)}
.card-sub{font-size:12px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.card-text{font-size:14px;color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tags span{font-size:11px;letter-spacing:.06em;text-transform:uppercase;border:1px solid var(--line-2);border-radius:3px;padding:4px 8px;color:var(--muted)}
.tags.lg span{font-size:13px;text-transform:none;letter-spacing:0;padding:6px 12px;color:var(--text)}
.card-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.swatches{display:flex;align-items:center;gap:8px}
.swatches.lg{gap:10px}
.sw{width:20px;height:20px;border-radius:50%;background:var(--sw,#444);border:2px solid transparent;outline:1px solid rgba(255,255,255,.18);transition:.15s;flex:none;padding:0}
.swatches.lg .sw{width:28px;height:28px}
.sw.is-active{border-color:var(--accent);outline-color:var(--accent)}
.sw-mc{background:radial-gradient(circle at 30% 30%,#5f6b3a 0 24%,transparent 25%),radial-gradient(circle at 72% 62%,#6f5a3b 0 26%,transparent 27%),radial-gradient(circle at 42% 78%,#4a5330 0 18%,transparent 19%),#9c8a5e!important}
.sw-name{font-size:12px;color:var(--muted);margin-left:2px}

/* Anatomy */
.anatomy{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.anatomy-stage{background:radial-gradient(70% 70% at 50% 50%,#1b1b1d,#0f0f10);border:1px solid var(--line);border-radius:6px;padding:48px 28px}
.anatomy-inner{position:relative}
.anatomy-inner img,.anatomy-inner .belt{width:100%;height:auto}
.marker{position:absolute;transform:translate(-50%,-50%);width:26px;height:26px;border-radius:50%;background:rgba(10,10,10,.92);border:1.5px solid var(--accent);color:var(--accent);font-size:12px;font-weight:600;display:grid;place-items:center;transition:.2s;z-index:2;padding:0}
.marker:hover,.marker.is-hot{background:var(--accent);color:#0a0a0a}
.anatomy-list{display:grid;gap:4px}
.anatomy-list li{display:grid;grid-template-columns:36px 1fr;gap:10px;padding:10px 12px;border:1px solid transparent;border-radius:4px;transition:.2s}
.anatomy-list .num{font-size:13px;font-weight:600;color:var(--accent);padding-top:2px}
.anatomy-list strong{display:block;font-size:15px;font-weight:600}
.anatomy-list p{color:var(--muted);font-size:13.5px}
.anatomy-list li.is-hot,.anatomy-list li:hover{border-color:var(--line-2);background:var(--panel)}

/* Process */
.steps{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:26px 0;border-bottom:1px solid var(--line)}
.step-num{font-size:13px;font-weight:600;color:var(--accent);padding-top:3px}
.step h3{margin-bottom:6px}
.step p{color:var(--muted);font-size:14px}
.steps-media{grid-template-columns:1fr}
.steps-media .step{grid-template-columns:48px 1fr 220px;align-items:center}
.step-media img{border-radius:4px;border:1px solid var(--line);aspect-ratio:4/3;object-fit:cover}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:40px}
.gallery figure img{aspect-ratio:1;object-fit:cover;border-radius:4px;border:1px solid var(--line)}

/* Tech */
.tcard{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:26px;transition:border-color .2s}
.tcard:hover{border-color:var(--line-2)}
.tcard-icon{width:40px;height:40px;border:1px solid var(--line-2);border-radius:4px;display:grid;place-items:center;color:var(--accent);margin-bottom:16px}
.tcard-icon svg{width:20px;height:20px}
.tcard h3{margin-bottom:6px}
.tcard p{color:var(--muted);font-size:14px}

/* Colors */
.ptile{text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:.2s}
.ptile:hover{border-color:var(--accent);transform:translateY(-2px)}
.ptile-swatch{height:140px;position:relative}
.ptile-swatch::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.45))}
.ptile-body{padding:16px 18px}
.ptile .code{font-size:11px;letter-spacing:.18em;color:var(--accent);font-weight:600}
.ptile h3{margin:4px 0 6px}
.ptile p{color:var(--muted);font-size:13.5px}

/* Compare table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:6px}
.compare{width:100%;border-collapse:collapse;min-width:860px;font-size:14px}
.compare th,.compare td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.compare th{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600;background:#0c0c0d}
.compare td:first-child{font-weight:600}
.compare td a:hover{color:var(--accent)}
.compare tr:last-child td{border-bottom:0}
.compare tbody tr:hover td{background:var(--panel)}
.yes{color:var(--accent);font-weight:600}
.no{color:var(--dim)}

/* Band */
.band{background:linear-gradient(135deg,#17110a,#0d0d0e 60%);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:56px 0}
.band-grid{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.band p{color:var(--muted);max-width:560px;margin-top:8px}

/* FAQ */
.faq{max-width:820px}
.faq details{border:1px solid var(--line);border-radius:4px;background:var(--panel);margin-bottom:8px}
.faq summary{list-style:none;cursor:pointer;padding:16px 20px;font-weight:600;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--accent);font-size:20px;font-weight:400;line-height:1}
.faq details[open] summary::after{content:'–'}
.faq-body{padding:0 20px 18px;color:var(--muted);font-size:14.5px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px}
.contact-list{margin-top:28px;border-top:1px solid var(--line)}
.contact-list>div{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.contact-list dt{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:600;padding-top:3px}
.contact-list dd a:hover{color:var(--accent)}
.form{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:26px}
.form label{display:block;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.form input,.form textarea,.form select{display:block;width:100%;margin-top:6px;background:#0c0c0d;border:1px solid var(--line-2);border-radius:4px;color:var(--text);padding:11px 13px;font:inherit;font-size:14.5px;text-transform:none;letter-spacing:0;outline:0;transition:border-color .2s}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--accent)}
.form textarea{resize:vertical;min-height:110px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .btn{width:100%;margin-top:6px}
.form-hint{font-size:12px;color:var(--dim);margin-top:10px}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.notice{background:var(--accent-soft);border:1px solid var(--accent);color:var(--text);padding:10px 14px;border-radius:4px;font-size:14px;margin-bottom:16px}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:#070708;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand p{color:var(--muted);font-size:14px;max-width:340px;margin-top:16px}
.footer-links-inline{display:flex;gap:16px;margin-top:14px;font-size:13px;color:var(--muted)}
.footer-links-inline a:hover{color:var(--accent)}
.site-footer h4{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.site-footer li{margin-bottom:8px;font-size:14px;color:var(--muted)}
.site-footer li a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:12px;color:var(--dim)}
.wa-float{position:fixed;right:20px;bottom:20px;z-index:40;display:flex;align-items:center;gap:8px;background:#25d366;color:#062b12;padding:10px 16px 10px 12px;border-radius:999px;font-weight:600;font-size:13px;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.wa-float svg{width:20px;height:20px}

/* Product page */
.product-page{padding:28px 0 80px}
.crumbs{display:flex;gap:10px;font-size:13px;color:var(--dim);margin-bottom:28px}
.crumbs a:hover{color:var(--accent)}
.product-top{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.gallery{display:none}
.gallery.is-active{display:block}
.gallery-main{background:radial-gradient(70% 70% at 50% 50%,#1b1b1d,#0f0f10);border:1px solid var(--line);border-radius:6px;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:32px}
.gallery-main img{width:100%;height:100%;object-fit:contain}
.gallery-main .belt{width:100%;height:auto}
.gallery-thumbs{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.thumb{width:72px;height:72px;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:#0f0f10;padding:4px;opacity:.7;transition:.2s}
.thumb img{width:100%;height:100%;object-fit:contain}
.thumb.is-active,.thumb:hover{opacity:1;border-color:var(--accent)}
.info-col h1{font-size:clamp(28px,3.4vw,40px)}
.product-sub{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:8px 0 16px}
.variant-picker{margin:22px 0 18px}
.variant-picker .label{font-size:13px;color:var(--muted);margin-bottom:10px}
.variant-picker .label strong{color:var(--text);font-weight:600}
.spec-table{width:100%;border-collapse:collapse;margin-top:22px;font-size:14px}
.spec-table th,.spec-table td{text-align:left;padding:10px 0;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table th{width:40%;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600;padding-right:12px}
.info-actions{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.product-details{display:grid;grid-template-columns:1fr 1fr;gap:28px 48px;margin-top:64px;padding-top:48px;border-top:1px solid var(--line)}
.detail-block h2{font-size:20px;margin-bottom:14px}
.prose{color:var(--muted);font-size:15px;line-height:1.7;overflow-wrap:anywhere}
.prose p{margin-bottom:12px}
.prose p:last-child{margin-bottom:0}
.prose h3,.prose h4{color:var(--text);margin:20px 0 8px;font-size:17px;font-weight:600}
.prose h4{font-size:15px}
.prose h3:first-child,.prose h4:first-child{margin-top:0}
.prose strong,.prose b{color:var(--text);font-weight:600}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.prose ul,.prose ol{padding-left:20px;margin-bottom:12px;list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:4px}
.prose hr{border:0;border-top:1px solid var(--line);margin:16px 0}
.prose blockquote{border-left:2px solid var(--accent);padding-left:14px;margin:12px 0;color:var(--text)}
.prose table{width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;display:block;overflow-x:auto}
.prose td,.prose th{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.prose th{color:var(--text);background:var(--panel)}
.prose tr td:first-child{color:var(--text)}
.prose img{max-width:100%;height:auto;border-radius:4px;margin:8px 0;background:#141416}
.prose iframe,.prose video,.prose object,.prose embed{display:none}
.feature-list li{position:relative;padding-left:18px;margin-bottom:8px;font-size:14.5px}
.feature-list li::before{content:'';position:absolute;left:0;top:9px;width:6px;height:6px;background:var(--accent);border-radius:1px}
.related{margin-top:72px}
.pager{display:flex;justify-content:space-between;gap:16px;margin-top:48px;padding-top:20px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.pager a:hover{color:var(--accent)}

/* Reveal */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* Responsive */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px;padding:64px 0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .anatomy{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .steps-media .step{grid-template-columns:48px 1fr}
  .steps-media .step-media{grid-column:2}
  .contact-grid{grid-template-columns:1fr}
  .product-top{grid-template-columns:1fr}
  .product-details{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .site-nav{position:fixed;left:0;right:0;top:72px;background:var(--bg-2);flex-direction:column;gap:0;padding:12px 20px 20px;border-bottom:1px solid var(--line);transform:translateY(-6px);opacity:0;pointer-events:none;transition:.2s}
  .site-nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .site-nav a{padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}
}
@media(max-width:640px){
  .section{padding:60px 0}
  .grid-3,.grid-4,.gallery{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .contact-list>div{grid-template-columns:1fr}
  .highlights{gap:18px}
  .hero-frame{padding:24px 16px;min-height:220px}
  .anatomy-stage{padding:32px 12px}
  .marker{width:22px;height:22px;font-size:11px}
}