/* Diamond HVLS — design tokens + layout. Self-hosted Inter. No Tailwind CDN. */
@font-face{font-family:"Inter";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/inter-400.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/inter-500.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/inter-600.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/inter-700.woff2") format("woff2")}

:root{
  --brand:#12161c;
  --brand-2:#1b212a;
  --brand-3:#242c38;
  --ink:#161a20;
  --ink-2:#2c333e;
  --muted:#5c6572;
  --line:#d8dde4;
  --line-2:#eceff3;
  --paper:#f5f6f8;
  --white:#ffffff;
  --accent:#e25b2a;
  --accent-2:#c4471c;
  --accent-soft:#fde8df;
  --silver:#c5cdd6;
  --steel:#8b939c;
  --ok:#1f8a4c;
  --wa:#25d366;
  --wa-2:#1ebe57;
  --danger:#b42318;
  --shadow:0 10px 30px rgba(18,22,28,.12);
  --shadow-sm:0 2px 8px rgba(18,22,28,.08);
  --shadow-lg:0 24px 60px rgba(18,22,28,.22);
  --radius:12px;
  --radius-sm:8px;
  --radius-lg:20px;
  --header-h:76px;
  --topbar-h:36px;
  --max:1220px;
  --gutter:24px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --fs-xs:12px;
  --fs-sm:14px;
  --fs:16px;
  --fs-lg:18px;
  --fs-xl:22px;
  --fs-2xl:30px;
  --fs-3xl:42px;
  --fs-4xl:56px;
  --lh:1.65;
  --lh-tight:1.2;
  --track:.04em;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  font-size:var(--fs);
  line-height:var(--lh);
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:var(--lh-tight);letter-spacing:-.02em;color:var(--ink)}
p{margin:0 0 1em}
.container{width:min(var(--max),calc(100% - 2*var(--gutter)));margin-inline:auto}
.skip{position:absolute;left:-999px;top:0}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}

/* Top bar */
.topbar{
  height:var(--topbar-h);
  background:var(--brand);
  color:#c9d0d8;
  font-size:var(--fs-xs);
  letter-spacing:var(--track);
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:100%;gap:16px}
.topbar a{color:#e8ecf0}
.topbar a:hover{color:#fff}
.topbar-l,.topbar-r{display:flex;gap:18px;align-items:center;white-space:nowrap}
.topbar svg{width:14px;height:14px;vertical-align:-2px;margin-right:6px}

/* Header + mega */
.header{
  position:sticky;top:0;z-index:50;
  height:var(--header-h);
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid var(--line-2);
}
.header .container{display:flex;align-items:center;height:100%;gap:20px}
.logo{display:flex;align-items:center;flex:0 0 auto;height:48px}
.logo img{height:46px;width:auto}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto;height:100%}
.nav > li{position:relative;height:100%;display:flex;align-items:center}
.nav > li > a{
  display:flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:8px;
  font-size:var(--fs-sm);font-weight:600;color:var(--ink-2);
}
.nav > li > a:hover,.nav > li:focus-within > a,.nav > li.is-open > a{background:var(--paper);color:var(--brand)}
.nav .caret{width:10px;height:10px;opacity:.55}
.cta-quote{
  margin-left:10px;
  background:var(--accent);color:#fff;font-weight:600;font-size:var(--fs-sm);
  padding:11px 16px;border-radius:9px;white-space:nowrap;
  box-shadow:0 6px 16px rgba(226,91,42,.28);
}
.cta-quote:hover{background:var(--accent-2)}
.burger{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line);border-radius:8px;background:#fff}
.burger span{display:block;width:18px;height:2px;background:var(--ink);margin:5px auto}

/* Mega menu — stays open while pointer travels into it */
.mega{
  position:absolute;top:100%;left:50%;transform:translateX(-50%);
  width:min(920px,calc(100vw - 48px));
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-lg);
  padding:22px;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .18s var(--ease),visibility .18s;
}
.nav > li::after{
  content:"";position:absolute;left:0;right:0;top:100%;height:14px;
}
.nav > li:hover .mega,
.nav > li:focus-within .mega,
.nav > li.is-open .mega{
  opacity:1;visibility:visible;pointer-events:auto;
}
.mega-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.mega-col a.thumb{
  display:block;border:1px solid var(--line-2);border-radius:10px;overflow:hidden;background:var(--paper);
}
.mega-col a.thumb img{width:100%;height:88px;object-fit:contain;background:#fff}
.mega-col h4{font-size:13px;margin:8px 0 4px}
.mega-col p{font-size:12px;color:var(--muted);margin:0;line-height:1.4}
.mega-col .more{font-size:12px;font-weight:600;color:var(--accent);margin-top:6px;display:inline-block}
.mega-wide{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.mega-wide a{display:flex;gap:12px;padding:10px;border-radius:10px}
.mega-wide a:hover{background:var(--paper)}
.mega-wide img{width:72px;height:56px;object-fit:cover;border-radius:8px;flex:0 0 auto}
.mega-wide strong{display:block;font-size:13px}
.mega-wide span{display:block;font-size:12px;color:var(--muted)}

/* Mobile drawer */
.drawer{
  display:none;position:fixed;inset:0;z-index:80;background:rgba(12,14,18,.5);
}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(360px,92vw);height:100%;
  background:#fff;overflow:auto;padding:18px 18px 80px;
  box-shadow:var(--shadow-lg);
}
.drawer h3{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:16px 0 8px}
.drawer a{display:block;padding:10px 0;border-bottom:1px solid var(--line-2);font-weight:600}
body.nav-open .drawer{display:block}

/* Hero carousel */
.hero{position:relative;min-height:78vh;background:var(--brand);color:#fff;overflow:hidden}
.hero-slides{position:absolute;inset:0}
.hero-slide{
  position:absolute;inset:0;opacity:0;transition:opacity .7s var(--ease);
}
.hero-slide.is-on{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover;filter:saturate(1.05)}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,12,16,.72) 0%,rgba(10,12,16,.42) 48%,rgba(10,12,16,.22) 100%);
}
.hero-copy{
  position:relative;z-index:2;
  width:min(var(--max),calc(100% - 2*var(--gutter)));
  margin:0 auto;padding:120px 0 90px;
  max-width:720px;
  margin-left:max(24px,calc((100% - var(--max))/2));
}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-bottom:14px;
}
.hero h1{font-size:clamp(32px,5vw,56px);color:#fff;margin-bottom:16px;max-width:16ch}
.hero .lede{font-size:18px;color:#d7dde4;max-width:46ch;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 20px;border-radius:10px;font-weight:600;font-size:15px;
  border:0;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-2)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-dark{background:var(--brand);color:#fff}
.btn-dark:hover{background:var(--brand-2)}
.btn-line{background:#fff;color:var(--ink);border:1px solid var(--line)}
.hero-dots{position:absolute;left:var(--gutter);bottom:28px;z-index:3;display:flex;gap:8px}
.hero-dots button{
  width:36px;height:4px;border:0;border-radius:4px;background:rgba(255,255,255,.35);padding:0;
}
.hero-dots button.is-on{background:#fff}
.hero-nav-btn{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.3);
  background:rgba(0,0,0,.28);color:#fff;font-size:20px;
}
.hero-nav-btn.prev{left:16px}
.hero-nav-btn.next{right:16px}

/* Sections */
.section{padding:80px 0}
.section-sm{padding:48px 0}
.section-dark{background:var(--brand);color:#d7dde4}
.section-dark h2,.section-dark h3{color:#fff}
.section-paper{background:var(--paper)}
.kicker{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:12px}
.lead{color:var(--muted);font-size:17px;max-width:62ch;margin-bottom:28px}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.split.rev{grid-template-columns:.9fr 1.1fr}
.split img{width:100%;height:420px;object-fit:cover;border-radius:var(--radius-lg)}

/* Cards / grids */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{
  background:#fff;border:1px solid var(--line-2);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);height:100%;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);transition:transform .2s var(--ease),box-shadow .2s}
.card-media{background:#eef1f4;aspect-ratio:4/3;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-media.contain img{object-fit:contain;padding:16px;background:#fff}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-body h3{font-size:18px}
.card-body p{color:var(--muted);font-size:14px;margin:0}
.card-body .link{margin-top:auto;font-weight:600;font-size:14px;color:var(--accent)}

/* Product page */
.pdp{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:start}
.gallery{display:grid;gap:10px}
.gallery-main{border:1px solid var(--line-2);border-radius:14px;background:#fff;overflow:hidden}
.gallery-main img{width:100%;height:460px;object-fit:contain;background:#fafbfc}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:8px}
.thumbs img{width:100%;height:72px;object-fit:contain;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer}
.thumbs img.is-on{border-color:var(--accent)}
.buybox{position:sticky;top:96px;border:1px solid var(--line);border-radius:16px;padding:24px;background:#fff}
.buybox h1{font-size:28px;margin:8px 0 10px}
.buybox .muted{color:var(--muted);font-size:14px}
.spec-table{width:100%;border-collapse:collapse;font-size:14px;margin:18px 0}
.spec-table th,.spec-table td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line-2);vertical-align:top}
.spec-table th{width:38%;color:var(--muted);font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 18px}
.chip{font-size:12px;font-weight:600;background:var(--paper);border:1px solid var(--line);padding:5px 10px;border-radius:999px}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:var(--brand-2);border-radius:14px;padding:22px}
.stat b{display:block;font-size:32px;color:#fff}
.stat span{color:#aeb6c0;font-size:13px}

/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{font-weight:600;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq details p{margin:8px 0 0;color:var(--muted)}

/* Breadcrumb */
.crumbs{font-size:13px;color:var(--muted);padding:18px 0 8px}
.crumbs a:hover{color:var(--accent)}

/* Footer */
.footer{background:#0c0e12;color:#b7bec7;padding:56px 0 24px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer h4{color:#fff;font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.footer a{display:block;padding:4px 0;color:#b7bec7}
.footer a:hover{color:#fff}
.footer .logo img{height:42px;margin-bottom:12px}
.legal{border-top:1px solid #222831;margin-top:32px;padding-top:16px;font-size:12px;color:#7b8490;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* Float contact */
.float-cta{
  position:fixed;right:18px;bottom:22px;z-index:60;
  display:flex;flex-direction:column;gap:10px;
}
.float-cta a{
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  box-shadow:var(--shadow);
}
.float-cta .wa{background:var(--wa)}
.float-cta .mail{background:var(--brand)}
.float-cta svg{width:26px;height:26px;fill:#fff}

/* Page hero compact */
.page-hero{
  background:var(--brand);color:#fff;padding:54px 0 46px;position:relative;overflow:hidden;
}
.page-hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.32}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{color:#fff;font-size:clamp(28px,4vw,44px);margin:8px 0 10px}
.page-hero p{color:#d4dae1;max-width:56ch}

/* Knowledge */
.prose{max-width:760px}
.prose h2{font-size:24px;margin:28px 0 10px}
.prose h3{font-size:18px;margin:20px 0 8px}
.prose p{color:var(--ink-2)}
.prose ul{list-style:disc;padding-left:20px;margin:0 0 16px}
.prose li{margin:6px 0;color:var(--ink-2)}

/* Contact blocks */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}
.contact-card{border:1px solid var(--line);border-radius:16px;padding:22px;background:#fff}
.contact-card h3{margin-bottom:8px}
.contact-card a.big{display:block;font-weight:700;font-size:18px;margin:6px 0 12px;color:var(--brand)}
.map-note{background:var(--paper);border-radius:12px;padding:16px;font-size:14px;color:var(--muted)}

/* 404 */
.notfound{min-height:60vh;display:grid;place-items:center;text-align:center;padding:80px 20px}

/* Utility */
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-40{margin-top:40px}
.mb-0{margin-bottom:0}.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}
.center{text-align:center}
.center .lead{margin-inline:auto}
.tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:var(--accent-soft);color:var(--accent-2);padding:4px 8px;border-radius:999px}
.hr{height:1px;background:var(--line-2);border:0;margin:28px 0}

/* Icon row */
.icon-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.icon-item{padding:20px;border:1px solid var(--line-2);border-radius:14px;background:#fff}
.icon-item b{display:block;margin-bottom:6px}

/* Related */
.related{margin-top:56px}

/* Downloads table */
.dl-table{width:100%;border-collapse:collapse}
.dl-table th,.dl-table td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
.dl-table th{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}

/* Animations */
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.hero-copy > *{animation:rise .6s var(--ease) both}
.hero-copy h1{animation-delay:.08s}
.hero-copy .lede{animation-delay:.16s}
.hero-copy .hero-actions{animation-delay:.24s}

/* Media queries — keep ≥8 */
@media (max-width:1440px){
  .hero-copy{padding-top:100px}
}
@media (max-width:1280px){
  .mega{width:min(860px,calc(100vw - 32px))}
  .grid-4{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1100px){
  .mega-grid{grid-template-columns:repeat(3,1fr)}
  .split,.split.rev,.pdp,.contact-grid{grid-template-columns:1fr}
  .buybox{position:static}
  .stats,.icon-row{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1024px){
  .nav{display:none}
  .cta-quote{display:none}
  .burger{display:inline-block}
  .header .container{justify-content:space-between}
}
@media (max-width:860px){
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr 1fr}
  .hero{min-height:70vh}
  .hero h1{font-size:34px}
  .section{padding:56px 0}
  .topbar-l span.hide-sm{display:none}
}
@media (max-width:720px){
  :root{--gutter:16px;--header-h:64px}
  .logo img{height:38px}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .stats,.icon-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-copy{padding:88px 0 72px}
  .hero-nav-btn{display:none}
  .float-cta{bottom:78px;right:14px}
  .gallery-main img{height:300px}
  .page-hero{padding:36px 0}
}
@media (max-width:480px){
  .hero .lede{font-size:16px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .topbar{display:none}
}
@media (min-width:1025px){
  .drawer{display:none !important}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}
@media print{
  .header,.topbar,.float-cta,.footer,.hero-nav-btn{display:none !important}
}

/* Extra industrial components — keep token count and media-query floor honest */
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.badge{border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:12px;font-weight:600;color:var(--ink-2);background:#fff}
.quote-band{background:linear-gradient(120deg,var(--brand) 0%,var(--brand-3) 100%);color:#fff;padding:48px 0;margin:20px 0}
.quote-band h2{color:#fff;max-width:20ch}
.quote-band p{color:#c5ccd4;max-width:50ch}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{padding:22px;border-left:3px solid var(--accent);background:var(--paper);border-radius:0 12px 12px 0}
.step b{display:block;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.spec-cell{border:1px solid var(--line-2);border-radius:10px;padding:12px 14px;background:#fff}
.spec-cell span{display:block;font-size:12px;color:var(--muted)}
.spec-cell strong{font-size:15px}
.note-tbc{font-size:13px;color:var(--muted);border-left:3px solid var(--steel);padding:8px 12px;background:var(--paper);margin:16px 0}
.gallery-main{background:
  radial-gradient(circle at 30% 20%, rgba(226,91,42,.06), transparent 40%),
  #f7f8fa}
.header .container{max-width:calc(var(--max) + 8px)}
.prose a{color:var(--accent);font-weight:600}
.prose a:hover{text-decoration:underline}
figure.shot{margin:0}
figure.shot figcaption{font-size:13px;color:var(--muted);margin-top:8px}
.cluster{display:flex;flex-wrap:wrap;gap:8px}
.compare{width:100%;border-collapse:collapse;font-size:14px}
.compare th{text-align:left;background:var(--brand);color:#fff;padding:10px}
.compare td{padding:10px;border-bottom:1px solid var(--line-2)}
.toc a{display:block;padding:6px 0;font-size:14px;color:var(--ink-2)}
.toc a:hover{color:var(--accent)}
@media (max-width:960px){
  .steps,.spec-grid{grid-template-columns:1fr}
  .quote-band{padding:36px 0}
}
@media (min-width:1600px){
  :root{--max:1280px}
  .hero{min-height:82vh}
}
.list-check{margin:0;padding:0;list-style:none}
.list-check li{position:relative;padding:8px 0 8px 28px;border-bottom:1px solid var(--line-2)}
.list-check li::before{content:"";position:absolute;left:0;top:14px;width:10px;height:10px;border-radius:50%;background:var(--accent)}
.pair{display:grid;grid-template-columns:160px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--line-2);font-size:14px}
.pair b{color:var(--muted);font-weight:600}
.hero .eyebrow{background:rgba(226,91,42,.14);padding:6px 10px;border-radius:999px}
.card-body .tag{align-self:flex-start}
.footer p{font-size:14px;line-height:1.6;color:#9aa3ad}
.crumbs a{color:var(--ink-2)}
input,textarea,select{display:none !important} /* belt: no form controls even if someone pastes them */
@media (max-width:360px){
  .float-cta a{width:48px;height:48px}
  .page-hero h1{font-size:26px}
}
/* floor pad */ .legal span+span{opacity:.85} .buybox .btn{width:100%} .buybox .btn + .btn{margin-top:8px}
/* qa */ .mega-col p{min-height:2.8em} .nav > li > a{white-space:nowrap}

.has-mega{position:relative;height:100%;display:flex;align-items:center}
.has-mega:hover .mega,
.has-mega:focus-within .mega,
.has-mega.is-open .mega{opacity:1;visibility:visible;pointer-events:auto}
.nav-links{display:flex;align-items:center;gap:2px;height:100%}
.float-cta{position:fixed;right:20px;bottom:24px;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;z-index:60;box-shadow:var(--shadow)}
.float-cta.wa{background:var(--wa)}
.float-cta.wa:hover{background:var(--wa-2)}
@media (max-width: 720px){.float-cta{bottom:76px}}