/* PMEXO - "Hot zone / cold end" art direction (award redesign 2026-10-11)
   Kiln black + bone paper, one heat accent, an engineering-drawing type system:
   Archivo (variable width) for display & text, Instrument Serif italic for accents, IBM Plex Mono for part numbers.
   No framework. Motion respects prefers-reduced-motion. */

@font-face{font-family:"Archivo";src:url(/assets/fonts/archivo-var.woff2) format("woff2");font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:"Instrument Serif";src:url(/assets/fonts/instrument-serif-italic.woff2) format("woff2");font-style:italic;font-weight:400;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(/assets/fonts/plex-mono-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(/assets/fonts/plex-mono-500.woff2) format("woff2");font-weight:500;font-display:swap}
/* canvas labels in the 3D viewer ask for this name */
@font-face{font-family:"IBM Plex Mono";src:url(/assets/fonts/plex-mono-500.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  --ink:#15120f;--ink-2:#1d1915;--ink-3:#2a251f;--ink-line:rgba(243,239,232,.14);
  --paper:#f5f2ec;--paper-2:#ece7de;--paper-3:#e2dbcf;--white:#fffdf9;
  --text:#1a1715;--muted:#57504a;--rule:rgba(26,23,21,.15);--rule-2:rgba(26,23,21,.28);
  --on-ink:#f3efe8;--on-ink-2:#bdb4a9;
  --heat:#ff5a1f;--heat-2:#ff8a3d;--heat-ink:#a8360a;--cold:#9a9893;
  --hot:linear-gradient(90deg,#5c1404 0%,#c8340b 18%,#ff6a1f 38%,#ffd29a 50%,#ff6a1f 62%,#c8340b 82%,#5c1404 100%);
  --f-d:"Archivo","Helvetica Neue",Arial,sans-serif;--f-s:"Instrument Serif",Georgia,serif;--f-m:"Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --wrap:1320px;--gut:clamp(20px,4.2vw,64px);--sec:clamp(72px,9vw,140px);
  --ease:cubic-bezier(.2,.7,.1,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;font-family:var(--f-d);font-stretch:100%;font-size:17px;line-height:1.6;color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-feature-settings:"ss01","kern"}
img{max-width:100%;height:auto;display:block}
::selection{background:var(--heat);color:var(--ink)}
a{color:var(--heat-ink);text-decoration-thickness:1px;text-underline-offset:.2em;transition:color .2s}
a:hover{color:var(--text)}
:focus-visible{outline:2px solid var(--heat);outline-offset:3px;border-radius:2px}
h1,h2,h3{font-family:var(--f-d);font-stretch:116%;font-weight:720;line-height:1.02;letter-spacing:-.022em;color:var(--text);margin:0 0 .55em;text-wrap:balance}
h1{font-size:clamp(2.15rem,1.25rem + 2.9vw,4rem)}
h2{font-size:clamp(1.65rem,1.1rem + 1.7vw,2.7rem)}
h3{font-size:1.16rem;font-stretch:108%;font-weight:650;letter-spacing:-.01em;line-height:1.2;margin-bottom:.45em}
h1 em,h2 em,.foot-kicker em{font-family:var(--f-s);font-style:italic;font-weight:400;font-stretch:100%;letter-spacing:-.01em;color:var(--heat-ink)}
p{margin:0 0 1em}
b,strong{font-weight:640}
code,.code{font-family:var(--f-m);font-size:.86em;letter-spacing:.01em}
.wrap{max-width:calc(var(--wrap) + 2*var(--gut));margin:0 auto;padding:0 var(--gut)}
.hidden{display:none}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--heat);color:var(--ink);padding:10px 14px;font-weight:700}
.skip:focus{left:8px}

/* ---------------------------------------------------------------- buttons */
.btn{--bg:var(--ink);--fg:var(--on-ink);display:inline-flex;align-items:center;justify-content:center;gap:.6em;min-height:50px;padding:.8em 1.35em;
  background:var(--bg);color:var(--fg);border:1px solid var(--bg);border-radius:0;font:inherit;font-size:.95rem;font-weight:600;font-stretch:104%;
  letter-spacing:.005em;line-height:1.2;text-decoration:none;cursor:pointer;position:relative;overflow:hidden;isolation:isolate;
  transition:color .35s var(--ease),border-color .35s var(--ease),transform .35s var(--ease)}
.btn::after{content:"";position:absolute;inset:0;z-index:-1;background:var(--heat);transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease)}
.btn:hover{color:var(--ink);border-color:var(--heat)}
.btn:hover::after{transform:scaleX(1);transform-origin:left}
.btn:active{transform:translateY(1px)}
.btn svg{flex:none}
.btn .arr{transition:transform .35s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.btn.heat,.btns > .btn:first-child:not(.line):not(.alt):not(.wa){--bg:var(--heat);--fg:var(--ink)}
.btns > .btn:first-child:not(.line):not(.alt):not(.wa)::after{background:var(--on-ink)}
.btn.heat::after{background:var(--on-ink)}
.btn.heat:hover{border-color:var(--on-ink)}
.btn.line,.btn.alt{--bg:transparent;--fg:var(--text);border-color:var(--rule-2)}
.btn.line.on-ink{--fg:var(--on-ink);border-color:rgba(243,239,232,.4)}
.btn.wa:not(.line){--bg:var(--ink);--fg:var(--on-ink)}
.btn-sm{min-height:40px;padding:.5em 1em;font-size:.86rem}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 18px}
.dl{display:inline-flex;align-items:center;gap:10px;padding:10px 16px 10px 10px;border:1px solid var(--rule-2);text-decoration:none;font-weight:600;font-size:.92rem;color:var(--text);transition:border-color .2s,background .2s}
.dl:before{content:"PDF";font-family:var(--f-m);font-size:.72rem;font-weight:500;letter-spacing:.06em;color:var(--ink);background:var(--heat);padding:3px 6px}
.dl:hover{border-color:var(--text);background:var(--white);color:var(--text)}

/* ---------------------------------------------------------------- header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(21,18,15,.92);color:var(--on-ink);-webkit-backdrop-filter:saturate(140%) blur(12px);backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.site-header.scrolled{border-bottom-color:var(--ink-line);background:rgba(21,18,15,.97)}
.hdr{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--on-ink);text-decoration:none;flex:none}
.brand b{font-stretch:125%;font-weight:800;font-size:1.22rem;letter-spacing:.06em}
.brand .mark{width:30px;height:30px;border:1px solid rgba(243,239,232,.45);display:grid;place-items:center;position:relative}
.brand .mark i{display:block;width:18px;height:4px;background:linear-gradient(90deg,var(--cold) 0 22%,var(--heat) 22% 78%,var(--cold) 78%)}
.brand:hover .mark i{background:var(--hot)}
.brand-tag{font-family:var(--f-m);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--on-ink-2);max-width:15ch;line-height:1.25;display:none}
.mainnav{margin-left:auto}
.mainnav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px}
.mainnav ul a{display:block;position:relative;padding:10px 11px;color:var(--on-ink);text-decoration:none;font-size:.89rem;font-weight:500;letter-spacing:.005em;white-space:nowrap}
.mainnav ul a::after{content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;background:var(--hot);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.mainnav ul a:hover::after,.mainnav ul a[aria-current=page]::after{transform:scaleX(1)}
.mainnav ul a:hover{color:#fff}
.nav-extra{display:none}
.hdr-cta{flex:none}
.nav-toggle{display:none;align-items:center;gap:10px;margin-left:auto;background:none;border:1px solid rgba(243,239,232,.35);color:var(--on-ink);font:inherit;font-family:var(--f-m);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;height:42px;padding:0 14px;cursor:pointer}
.nav-toggle .bars{display:grid;gap:5px;width:18px}
.nav-toggle .bars i{display:block;height:1.5px;background:currentColor;transition:transform .35s var(--ease)}
.menu-open .nav-toggle .bars i:first-child{transform:translateY(3.25px) rotate(45deg)}
.menu-open .nav-toggle .bars i:last-child{transform:translateY(-3.25px) rotate(-45deg)}
@media (min-width:1680px){.brand-tag{display:block}}
@media (max-width:1099px){
  .hdr{height:64px;gap:12px}
  .nav-toggle{display:inline-flex}
  .hdr-cta{display:none}
  .js .mainnav{position:fixed;inset:64px 0 0 0;margin:0;background:var(--ink);padding:28px var(--gut) 40px;overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .3s var(--ease),transform .4s var(--ease),visibility 0s .4s}
  .js.menu-open .mainnav{opacity:1;visibility:visible;transform:none;transition:opacity .3s var(--ease),transform .4s var(--ease)}
  .js.menu-open body{overflow:hidden}
  .mainnav ul{flex-direction:column;gap:0;counter-reset:n}
  .mainnav ul li{border-bottom:1px solid var(--ink-line);counter-increment:n}
  .mainnav ul a{display:flex;align-items:baseline;gap:16px;padding:16px 0;font-size:clamp(1.5rem,6.4vw,2.2rem);font-stretch:118%;font-weight:680;letter-spacing:-.02em}
  .mainnav ul a::before{content:"0" counter(n);font-family:var(--f-m);font-size:.75rem;font-weight:400;letter-spacing:.06em;color:var(--on-ink-2);font-stretch:100%}
  .mainnav ul a::after{left:0;right:auto;width:48px;bottom:10px}
  .nav-extra{display:grid;gap:12px;margin-top:28px}
  .nav-extra .btn{width:100%}
  .nav-mail{color:var(--on-ink-2);font-family:var(--f-m);font-size:.85rem;padding:8px 0}
  html:not(.js) .mainnav{width:100%;margin:0}
  html:not(.js) .hdr{flex-wrap:wrap;height:auto;padding:14px var(--gut)}
  html:not(.js) .mainnav ul{flex-direction:row;flex-wrap:wrap}
  html:not(.js) .mainnav ul a{font-size:1rem;padding:8px 10px 8px 0}
  html:not(.js) .nav-toggle{display:none}
}

/* ---------------------------------------------------------------- breadcrumb */
.crumbs{padding-top:22px;font-family:var(--f-m);font-size:.74rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 0}
.crumbs li+li::before{content:"/";margin:0 10px;color:var(--rule-2)}
.crumbs a{color:var(--muted);text-decoration:none;border-bottom:1px solid var(--rule-2)}
.crumbs a:hover{color:var(--text);border-color:var(--text)}

/* ---------------------------------------------------------------- sections & type helpers */
main section{padding:var(--sec) 0;position:relative}
main section + section:not(.band):not(.rfq-band):not(.sec-bulk){border-top:1px solid var(--rule)}
.band{background:var(--paper-2)}
.band + .band{border-top:1px solid var(--rule)}
main section > .wrap > h2:first-child,main section > .wrap > .split > div > h2:first-child,.faq > h2:first-child{position:relative;padding-top:26px}
main section > .wrap > h2:first-child::before,main section > .wrap > .split > div > h2:first-child::before,.faq > h2:first-child::before{content:"";position:absolute;top:0;left:0;width:56px;height:3px;background:var(--hot)}
main section > .wrap > h2{margin-bottom:.8em;max-width:22ch}
.split h2{font-size:clamp(1.45rem,1.05rem + 1.2vw,2.1rem)}
.lead{font-size:clamp(1.05rem,.98rem + .35vw,1.25rem);line-height:1.55;max-width:60ch;color:var(--text)}
.note{font-size:.88rem;line-height:1.55;color:var(--muted);border-left:2px solid var(--heat);padding:2px 0 2px 14px;max-width:72ch;margin-top:18px}
.updated{font-family:var(--f-m);font-size:.74rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)!important}
.eyebrow{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-family:var(--f-m);font-size:.76rem;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0 0 22px}
.eyebrow b{font-weight:500;color:var(--text);display:inline-flex;align-items:center;gap:14px}
.eyebrow b::after{content:"";width:40px;height:2px;background:var(--hot)}
.eyebrow.on-ink,.eyebrow.on-ink b{color:var(--on-ink-2)}
.eyebrow.on-ink b{color:var(--on-ink)}
.sec-head{display:grid;gap:0 48px;margin-bottom:clamp(36px,4.5vw,64px)}
.sec-head h2{margin:0;max-width:20ch}
.sec-lede{color:var(--muted);max-width:44ch;margin:18px 0 0}
@media (min-width:960px){.sec-head{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:end}.sec-head .eyebrow{grid-column:1/-1}.sec-lede{margin:0;justify-self:end}}
.fig-n{font-family:var(--f-m);font-size:.7rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--heat-ink);margin-right:12px}

/* ---------------------------------------------------------------- home hero (dark kiln) */
.home-hero.hero{padding:0}
.home-hero{background:var(--ink);color:var(--on-ink);overflow:hidden;min-height:min(860px,calc(100svh - 72px));display:flex;flex-direction:column}
.home-hero::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:linear-gradient(var(--ink-line) 1px,transparent 1px),linear-gradient(90deg,var(--ink-line) 1px,transparent 1px);background-size:88px 88px;
  -webkit-mask-image:linear-gradient(90deg,#000 0,rgba(0,0,0,.5) 45%,transparent 70%);mask-image:linear-gradient(90deg,#000 0,rgba(0,0,0,.5) 45%,transparent 70%);opacity:.55}
.hh-media{position:absolute;top:0;right:0;bottom:0;width:62%;z-index:0;overflow:hidden}
.hh-media img{width:100%;height:100%;object-fit:cover;object-position:30% 50%;transform:scale(1.04);will-change:transform}
.hh-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ink) 0%,rgba(21,18,15,.72) 22%,rgba(21,18,15,.08) 60%,rgba(21,18,15,.25) 100%),linear-gradient(0deg,var(--ink) 0%,transparent 30%)}
.hh-grid{position:relative;z-index:2;flex:1;display:grid;align-content:center;padding-top:clamp(56px,7vw,112px);padding-bottom:clamp(40px,5vw,72px);width:100%}
.hh-copy{max-width:1000px}
.home-hero h1{color:var(--on-ink);font-size:clamp(2.6rem,1.2rem + 4.1vw,5.2rem);line-height:.96;max-width:15.5ch;letter-spacing:-.03em;margin-bottom:.4em;font-stretch:118%;font-weight:740}
.home-hero h1 em{color:var(--heat-2);display:inline-block;font-size:1.04em;letter-spacing:-.015em}
.home-hero .lead{color:var(--on-ink-2);max-width:52ch}
.home-hero .lead{color:#d4ccc2}
.hh-note{font-size:.88rem;color:var(--on-ink-2);max-width:52ch;margin:0;padding-left:14px;border-left:1px solid var(--ink-line)}
.hh-cap{position:absolute;right:var(--gut);bottom:clamp(40px,5vw,72px);margin:0;font-size:.82rem;color:var(--on-ink);max-width:34ch;text-align:left;background:rgba(21,18,15,.78);padding:10px 14px;border-left:2px solid var(--heat)}
.hh-cap .fig-n{color:var(--heat-2);display:block;margin:0 0 4px}
.home-hero .btn.wa svg{color:#3ddc84}
.ticker{position:relative;z-index:2;border-top:1px solid var(--ink-line);display:flex;align-items:stretch;background:rgba(21,18,15,.7)}
.tk-l{flex:none;margin:0;padding:16px var(--gut);font-family:var(--f-m);font-size:.7rem;letter-spacing:.09em;text-transform:uppercase;color:var(--heat-2);border-right:1px solid var(--ink-line);display:flex;align-items:center}
.tk-track{display:flex;overflow:hidden;flex:1;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.tk-track ul{list-style:none;margin:0;padding:0;display:flex;flex:none;animation:tk 60s linear infinite}
.tk-track li{padding:16px 28px;white-space:nowrap;color:var(--on-ink);font-size:.92rem;border-right:1px solid var(--ink-line)}
.tk-track code{font-size:.84rem}
.ticker:hover ul{animation-play-state:paused}
@keyframes tk{to{transform:translateX(-100%)}}
@media (max-width:899px){
  .home-hero{min-height:0}
  .home-hero::before{-webkit-mask-image:linear-gradient(180deg,transparent 0,transparent 38%,rgba(0,0,0,.6) 70%,transparent);mask-image:linear-gradient(180deg,transparent 0,transparent 38%,rgba(0,0,0,.6) 70%,transparent)}
  .hh-media{position:relative;width:100%;height:auto;aspect-ratio:4/3}
  .hh-media::after{background:linear-gradient(0deg,var(--ink) 2%,rgba(21,18,15,.35) 35%,transparent 70%)}
  .hh-grid{padding-top:0;margin-top:-56px}
  .hh-cap{position:static;text-align:left;margin-top:28px;max-width:none}
  .hh-cap .fig-n{display:inline;margin-right:10px}
  .tk-l{display:none}
}

/* ---------------------------------------------------------------- generic & product heroes */
.hero{padding:clamp(40px,5.5vw,88px) 0 clamp(56px,7vw,112px)}
.crumbs + .hero{padding-top:clamp(28px,3.5vw,56px)}
.hero:not(.home-hero):not(.prod-hero) > .wrap{position:relative}
.hero:not(.home-hero):not(.prod-hero) h1{max-width:18ch;font-size:clamp(2.2rem,1.2rem + 3.3vw,4.4rem);line-height:.98}
.hero:not(.home-hero):not(.prod-hero) .lead{max-width:64ch}
.hero-grid{display:grid;gap:clamp(32px,4vw,72px)}
.hero-grid > *,.split > *,.rfq-grid > *{min-width:0}
.hero figure{margin:0}
.hero figure img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--paper-3)}
.hero figcaption{font-size:.84rem;color:var(--muted);margin-top:12px;display:flex;align-items:baseline;flex-wrap:wrap}
.prod-hero h1{font-size:clamp(2rem,1.15rem + 2.5vw,3.6rem);line-height:1}
.code-chip{display:inline-flex;align-items:stretch;border:1px solid var(--rule-2);margin:6px 0 0;font-size:.86rem;max-width:100%}
.code-chip span{font-family:var(--f-m);font-size:.68rem;letter-spacing:.09em;text-transform:uppercase;padding:9px 12px;background:var(--ink);color:var(--on-ink)}
.code-chip code{padding:8px 14px;background:var(--white);font-size:.86rem;display:flex;align-items:center;flex:1;min-width:0}
.code-chip span{display:flex;align-items:center;flex:none}
@media (max-width:420px){.code-chip code{font-size:.76rem;padding:8px 10px}.code-chip span{padding:9px 9px}}
.ph-fig{position:relative}
.ph-fig::before{content:"";position:absolute;left:-14px;top:-14px;width:44px;height:44px;border-left:1px solid var(--rule-2);border-top:1px solid var(--rule-2);pointer-events:none}
.ph-fig::after{content:"";position:absolute;right:-14px;bottom:30px;width:44px;height:44px;border-right:1px solid var(--rule-2);border-bottom:1px solid var(--rule-2);pointer-events:none}
@media (min-width:960px){.hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);align-items:start}}
@media (max-width:959px){.prod-hero .hero-grid .ph-fig{order:-1}.ph-fig::before,.ph-fig::after{display:none}}

/* ---------------------------------------------------------------- the rod (signature dimension line) */
.rod{display:grid;grid-template-columns:1fr 2.2fr 1fr;height:30px;margin:0 0 40px;position:relative}
.rod span{position:relative;border-top:1px solid var(--rule-2)}
.rod span::before{content:"";position:absolute;left:0;right:0;top:-5px;height:9px;background:var(--cold);opacity:.55}
.rod .h::before{background:var(--paper-3);opacity:1}
.rod .h::after{content:"";position:absolute;left:0;right:0;top:-5px;height:9px;background:var(--hot);transform:scaleX(.02);opacity:.15;transition:transform 1.6s var(--ease) .15s,opacity 1.2s ease .15s;box-shadow:0 0 18px rgba(255,106,31,.55)}
.rod.in .h::after,html:not(.js) .rod .h::after{transform:none;opacity:1}
.rod i{position:absolute;top:10px;left:50%;transform:translateX(-50%);font-style:normal;font-family:var(--f-m);font-size:.7rem;letter-spacing:.08em;color:var(--muted)}
.rod span + span{border-left:1px solid var(--rule-2)}

/* ---------------------------------------------------------------- cards */
.cards{display:grid;gap:clamp(18px,2vw,28px);grid-template-columns:1fr}
.card{display:flex;flex-direction:column;background:transparent;border:0}
a.navcard{color:var(--text);text-decoration:none;border-top:1px solid var(--rule-2);padding-top:18px;position:relative}
a.navcard::before{content:"";position:absolute;left:0;top:-1px;height:2px;width:100%;background:var(--hot);transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease)}
a.navcard:hover::before,a.navcard:focus-visible::before{transform:scaleX(1)}
.navcard .ci{position:relative;display:block;overflow:hidden;background:var(--paper-3)}
.navcard img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .9s var(--ease),filter .6s}
a.navcard:hover img{transform:scale(1.045)}
.navcard .idx{position:absolute;left:0;top:0;background:var(--ink);color:var(--on-ink);font-family:var(--f-m);font-size:.72rem;letter-spacing:.06em;padding:6px 9px}
.navcard .body{display:flex;flex-direction:column;padding:18px 0 4px;flex:1}
.navcard .h{display:block;font-stretch:110%;font-weight:660;font-size:1.2rem;line-height:1.18;letter-spacing:-.012em;margin-bottom:10px}
.navcard .ex{display:block;font-family:var(--f-m);font-size:.76rem;color:var(--muted);letter-spacing:.01em;margin-bottom:12px;padding-bottom:12px;border-bottom:1px dashed var(--rule-2)}
.navcard .d{display:block;font-size:.95rem;color:var(--muted);margin-bottom:16px;line-height:1.55}
.navcard .more{display:block;margin-top:auto;font-size:.86rem;font-weight:600;color:var(--text)}
.navcard .more .ar{display:inline-block;margin-left:6px;transition:transform .35s var(--ease);color:var(--heat-ink)}
a.navcard:hover .more .ar{transform:translateX(5px)}
.tag{display:inline-block;align-self:flex-start;font-family:var(--f-m);font-size:.68rem;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--text);border:1px solid var(--rule-2);padding:3px 8px;margin-bottom:10px}
.navcard.guide{background:transparent}
@media (min-width:640px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1100px){.cards.kfp{grid-template-columns:repeat(4,1fr)}.cards.three{grid-template-columns:repeat(3,1fr)}.cards.six{grid-template-columns:repeat(3,1fr)}}
.cards.two{max-width:980px}
@media (max-width:639px){
  .cards.kfp a.navcard,.cards.three a.navcard{display:grid;grid-template-columns:38% 1fr;gap:16px;padding-top:16px}
  .cards.kfp .navcard img,.cards.three .navcard img{aspect-ratio:1/1}
  .cards.kfp .navcard .body,.cards.three .navcard .body{padding:0}
  .cards.kfp .navcard .d,.cards.three .navcard .d{display:none}
  .cards.kfp .navcard .ex,.cards.three .navcard .ex{border:0;padding:0;margin-bottom:10px;font-size:.72rem}
  .cards.kfp .navcard .h,.cards.three .navcard .h{font-size:1.05rem}
}

/* ---------------------------------------------------------------- who / industries / guides / steps */
.who{display:grid;gap:0;grid-template-columns:1fr;counter-reset:w;border-top:1px solid var(--rule-2)}
.who > div{padding:28px 0 30px;border-bottom:1px solid var(--rule);counter-increment:w;position:relative}
.who > div::before{content:"(" counter(w) ")";font-family:var(--f-s);font-style:italic;font-size:1.6rem;color:var(--heat-ink);display:block;line-height:1;margin-bottom:16px}
.who h3{font-size:1.32rem}
.who p{color:var(--muted);margin:0;max-width:40ch}
@media (min-width:800px){.who{grid-template-columns:repeat(3,1fr)}.who > div{padding:32px 36px 36px 0;border-bottom:0}.who > div + div{padding-left:36px;border-left:1px solid var(--rule)}}

.ind{display:grid;grid-template-columns:1fr;border-top:1px solid var(--rule-2)}
.ind > div{padding:26px 0;border-bottom:1px solid var(--rule);transition:background .3s}
.ind h3{margin:0 0 8px;font-size:1.12rem}
.ind p{margin:0;font-size:.95rem;color:var(--muted)}
.ind .el{display:block;margin-top:14px;font-family:var(--f-m);font-size:.72rem;letter-spacing:.04em;color:var(--text)}
.ind .el::before{content:"";display:inline-block;width:14px;height:2px;background:var(--heat);vertical-align:middle;margin-right:8px}
@media (min-width:700px){.ind{grid-template-columns:repeat(2,1fr)}.ind > div{padding:28px 28px 28px 0}.ind > div:nth-child(2n){padding-left:28px;border-left:1px solid var(--rule)}}
@media (min-width:1050px){.ind{grid-template-columns:repeat(3,1fr)}.ind > div,.ind > div:nth-child(2n){padding:32px 32px 32px 0;border-left:0}.ind > div:not(:nth-child(3n+1)){padding-left:32px;border-left:1px solid var(--rule)}}

.guides{display:grid;grid-template-columns:1fr;border-top:1px solid var(--rule-2);counter-reset:gd}
.guides a{display:grid;grid-template-columns:auto 1fr;gap:6px 22px;align-items:baseline;padding:26px 0;border-bottom:1px solid var(--rule);text-decoration:none;color:var(--text);counter-increment:gd;position:relative;transition:padding .45s var(--ease),background .45s}
.guides a::before{content:"G" counter(gd);grid-row:1/3;font-family:var(--f-m);font-size:.72rem;letter-spacing:.06em;color:var(--muted)}
.guides b{font-stretch:112%;font-weight:660;font-size:clamp(1.15rem,1rem + .6vw,1.55rem);letter-spacing:-.015em;color:var(--text);line-height:1.2}
.guides span{font-size:.94rem;color:var(--muted);max-width:60ch}
.guides a:hover{padding-left:14px;background:linear-gradient(90deg,rgba(255,90,31,.07),transparent 70%)}
.guides a:hover b{color:var(--heat-ink)}

ol.three-steps{list-style:none;margin:0 0 clamp(48px,6vw,88px);padding:0;display:grid;gap:36px;grid-template-columns:1fr}
ol.three-steps li{position:relative;padding:0}
ol.three-steps .n{display:block;font-family:var(--f-s);font-style:italic;font-size:3.4rem;line-height:.9;color:var(--heat-ink);margin-bottom:14px}
ol.three-steps h3{font-size:1.3rem}
ol.three-steps p{color:var(--muted);max-width:40ch}
@media (min-width:760px){ol.three-steps{grid-template-columns:repeat(3,1fr);gap:48px}}
@media (max-width:759px){.sec-steps .rod{display:none}}
.measure h3{font-size:1.3rem;margin-bottom:18px}

/* ---------------------------------------------------------------- bulk (dark panel) */
.sec-bulk{padding:clamp(56px,7vw,112px) 0 0}
.sec-bulk .wrap{padding-top:0;padding-bottom:0}
.bulk{background:var(--ink);color:var(--on-ink);padding:clamp(36px,5vw,72px);position:relative;overflow:hidden;max-width:none}
main section:not(.sec-bulk) .bulk{margin:0}
.bulk::after{content:"";position:absolute;right:-6%;top:50%;width:46%;height:10px;background:var(--hot);transform:translateY(-50%);filter:blur(.3px);box-shadow:0 0 50px 8px rgba(255,90,31,.35);opacity:.9}
.bulk h2,.bulk h3{color:var(--on-ink);max-width:22ch;position:relative;z-index:1}
.bulk p{max-width:58ch;color:#d4ccc2;position:relative;z-index:1}
.bulk p:last-child{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 0}
.bulk .btn{--bg:var(--heat);--fg:var(--ink)}
.bulk .btn::after{background:var(--on-ink)}
.bulk .btn.alt{--bg:transparent;--fg:var(--on-ink);border-color:rgba(243,239,232,.4)}
.bulk .btn.alt::after{background:var(--heat)}
@media (max-width:899px){.bulk::after{width:70%;right:-30%;top:auto;bottom:36px;height:6px}}
.sec-bulk + section{border-top:0!important}
.band + .sec-bulk{background:linear-gradient(var(--paper-2) 0 50%,var(--paper) 50%);padding-top:0}
.band + .sec-bulk .bulk{margin-top:0}


.also{padding:clamp(48px,5vw,72px) 0}
.also h2{font-size:1.2rem;font-stretch:108%;padding-top:0!important;margin-bottom:.5em}
.also h2::before{display:none}
.also p{color:var(--muted);font-size:.94rem;max-width:56ch;margin:0}
.also-grid{display:grid;gap:24px}
.also-list{display:grid;gap:12px}
.also-item{display:grid;grid-template-columns:72px 1fr;gap:16px;align-items:center;text-decoration:none;color:var(--text);border:1px solid var(--rule);padding:10px 16px 10px 10px;transition:border-color .3s}
.also-item:hover{border-color:var(--text);color:var(--text)}
.also-item img{width:72px;height:56px;object-fit:cover}
.also-item b{display:block;font-weight:600;font-size:.95rem}
.also-item small{display:block;color:var(--muted);font-size:.8rem;line-height:1.4}
@media (min-width:960px){.also-grid{grid-template-columns:1fr 1.2fr;align-items:center}.also-list{grid-template-columns:1fr 1fr}}
.sec2{border-top:1px solid var(--rule)}

/* ---------------------------------------------------------------- split / need / toc / checklists */
.split{display:grid;gap:clamp(32px,4vw,72px)}
@media (min-width:960px){.split{grid-template-columns:1fr 1fr;align-items:start}}
.split figure{margin:0}
.split figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split figcaption{font-size:.82rem;color:var(--muted);margin-top:8px}
.need{background:var(--white);border:1px solid var(--rule);padding:clamp(22px,2.6vw,36px);position:relative}
.need::before{content:"";position:absolute;left:-1px;top:-1px;width:56px;height:3px;background:var(--hot)}
.need h3{margin:0 0 16px;font-size:1.15rem}
.need ol{list-style:none;margin:0 0 .4em;padding:0;counter-reset:nd}
.need li{counter-increment:nd;display:grid;grid-template-columns:32px 1fr;padding:9px 0;border-top:1px solid var(--rule);font-size:.95rem}
.need li::before{content:counter(nd,decimal-leading-zero);font-family:var(--f-m);font-size:.72rem;color:var(--heat-ink);padding-top:.25em}
.need .note{margin-bottom:0}
ul.ticks{list-style:none;padding:0;margin:0 0 1em}
ul.ticks li{position:relative;padding:6px 0 6px 24px;border-top:1px solid var(--rule)}
ul.ticks li::before{content:"";position:absolute;left:0;top:1.05em;width:12px;height:2px;background:var(--heat)}
ul.uses li{margin:0}
ol.steps{padding-left:1.3em}
ol.steps li{margin-bottom:.6em}
.chk{list-style:none;padding:0;margin:0;counter-reset:ck;columns:1;column-gap:64px}
@media (min-width:800px){.chk{columns:2}}
.chk li{break-inside:avoid;counter-increment:ck;display:grid;grid-template-columns:40px 1fr;padding:14px 0;border-top:1px solid var(--rule)}
.chk li::before{content:counter(ck,decimal-leading-zero);font-family:var(--f-m);font-size:.72rem;color:var(--heat-ink);padding-top:.3em}
.toc{border:1px solid var(--rule-2);padding:18px 22px;max-width:760px;margin:28px 0 20px;background:var(--white)}
.toc b{font-family:var(--f-m);font-size:.72rem;font-weight:500;letter-spacing:.09em;text-transform:uppercase}
.toc ol{margin:.6em 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:6px 22px}
.toc a{display:inline-block;padding:4px 0;color:var(--text)}
.applist{display:grid;gap:0;grid-template-columns:1fr;list-style:none;padding:0;margin:0;border-top:1px solid var(--rule-2)}
.applist li{border-bottom:1px solid var(--rule);padding:14px 0}
.applist b{display:block}
@media (min-width:640px){.applist{grid-template-columns:1fr 1fr;column-gap:36px}}

/* ---------------------------------------------------------------- galleries */
.gallery{display:grid;gap:clamp(12px,1.4vw,20px);grid-template-columns:repeat(2,1fr);counter-reset:fg}
.gallery figure{margin:0;counter-increment:fg}
.gallery figure > img{width:100%;aspect-ratio:1/1;object-fit:cover;background:var(--paper-3);transition:filter .5s}
.gallery.wide figure > img{aspect-ratio:4/3}
.gallery figcaption{font-size:.82rem;color:var(--muted);padding:10px 0 0;line-height:1.4}
.gallery figcaption::before{content:"Fig. " counter(fg,decimal-leading-zero);display:block;font-family:var(--f-m);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--heat-ink);margin-bottom:3px}
@media (min-width:640px){.gallery{grid-template-columns:repeat(3,1fr)}}
@media (min-width:1100px){.gallery{grid-template-columns:repeat(4,1fr)}.gallery.wide{grid-template-columns:repeat(3,1fr)}}
.split .gallery,.split .gallery.wide{grid-template-columns:repeat(2,1fr)}
.strip{display:grid;gap:12px;grid-template-columns:repeat(2,1fr)}
.strip figure{margin:0}
.strip img{width:100%;aspect-ratio:4/3;object-fit:cover}
.strip figcaption{font-size:.82rem;color:var(--muted);padding:8px 0 0}
@media (min-width:760px){.strip.four{grid-template-columns:repeat(4,1fr)}}

/* ---------------------------------------------------------------- tables (technical sheet) */
.tablewrap{overflow-x:auto;margin:0 0 1em;border-top:2px solid var(--text)}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.93rem;background:transparent}
th,td{border:0;border-bottom:1px solid var(--rule);padding:14px 16px 14px 0;text-align:left;vertical-align:top}
thead th{font-family:var(--f-m);font-size:.7rem;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);background:transparent;padding-top:14px;padding-bottom:12px;border-bottom:1px solid var(--rule-2)}
tbody th{font-weight:640;width:30%;background:transparent}
tbody tr{transition:background .2s}
tbody tr:hover{background:rgba(255,90,31,.05)}
table.spec,table.stack{min-width:0}
table.spec th{width:34%}
table.stack th{width:auto}
td:first-child{font-weight:600}
td small{color:var(--muted)}
table.stack td code{white-space:normal;overflow-wrap:anywhere}
#xref td:nth-child(5){min-width:200px}
@media (max-width:700px){
  .tablewrap{border-top:0}
  table.stack thead{display:none}
  table.stack,table.stack tbody,table.stack tr,table.stack td{display:block;width:100%}
  table.stack tr{border-top:2px solid var(--text);margin:0 0 18px;background:var(--white)}
  table.stack td{border:0;border-bottom:1px solid var(--rule);padding:10px 14px}
  table.stack td:first-child{font-weight:650}
  table.stack td[data-l]:not(:first-child)::before{content:attr(data-l);display:block;font-family:var(--f-m);font-size:.66rem;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:2px}
  table.spec:not(.stack){font-size:.9rem}
  table.stack.sizes:has(th:nth-child(5)) tr{display:grid;grid-template-columns:repeat(4,1fr)}
  table.stack.sizes:has(th:nth-child(5)) td{border-bottom:0}
  table.stack.sizes:has(th:nth-child(5)) td:first-child{grid-column:1/-1;border-bottom:1px solid var(--rule)}
  table.stack.sizes:has(th:nth-child(5)) td:not(:first-child){border-left:1px solid var(--rule)}
  table.stack.sizes:has(th:nth-child(5)) td:nth-child(2){border-left:0}
}

/* ---------------------------------------------------------------- FAQ */
.faq details{border-bottom:1px solid var(--rule);background:transparent}
.faq h2 + details,.faq details:first-of-type{border-top:2px solid var(--text)}
.faq summary{cursor:pointer;list-style:none;display:grid;grid-template-columns:1fr 28px;gap:24px;align-items:center;padding:22px 0;font-stretch:108%;font-weight:620;font-size:clamp(1.02rem,.96rem + .3vw,1.2rem);line-height:1.3;transition:color .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:28px;height:28px;border:1px solid var(--rule-2);border-radius:50%;
  background:linear-gradient(currentColor,currentColor) center/11px 1.5px no-repeat,linear-gradient(currentColor,currentColor) center/1.5px 11px no-repeat;transition:transform .4s var(--ease),background-color .3s,border-color .3s}
.faq details[open] summary::after{transform:rotate(135deg);background-color:var(--heat);border-color:var(--heat)}
.faq summary:hover{color:var(--heat-ink)}
.faq details > div{padding:0 52px 22px 0;color:var(--muted);max-width:80ch}
.faq details > div p:last-child{margin-bottom:0}
.faq > p{margin-top:24px}
@media (min-width:960px){.faq{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.6fr);column-gap:64px}.faq > h2,.faq > h2:first-child{grid-column:1;grid-row:1 / span 20;align-self:start;position:sticky;top:110px}.faq > *:not(h2){grid-column:2}.faq > details:first-of-type{border-top:2px solid var(--text)}}

/* ---------------------------------------------------------------- RFQ (dark) */
.rfq-band{background:var(--ink);color:var(--on-ink);border-top:0}
.rfq-band h2,.rfq-band h3{color:var(--on-ink)}
.rfq-band > .wrap > div > h2:first-child,.rfq-band h2{position:relative;padding-top:26px;max-width:22ch}
.rfq-band > .wrap > div > h2:first-child::before{content:"";position:absolute;top:0;left:0;width:56px;height:3px;background:var(--hot)}
.rfq-band p{color:#d4ccc2}
.rfq-band a{color:var(--heat-2)}
.rfq-band a:hover{color:#fff}
.rfq-band a.btn,.rfq-band a.btn:hover{color:var(--fg)}
.rfq-band a.btn:hover{color:var(--ink)}
.rfq-grid{display:grid;gap:clamp(36px,4vw,72px)}
@media (min-width:1000px){.rfq-grid{grid-template-columns:minmax(0,1.7fr) minmax(0,1fr)}}
form.rfq{margin-top:32px;display:block}
form.rfq .row{display:grid;gap:0 24px;grid-template-columns:1fr}
@media (min-width:640px){form.rfq .row{grid-template-columns:1fr 1fr}form.rfq .row:has(input[name=furnace-model]){grid-template-columns:1fr}}
form.rfq label{display:block;margin-bottom:22px;font-family:var(--f-m);font-size:.72rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--on-ink-2)}
form.rfq label small{font-size:inherit;letter-spacing:.04em;text-transform:none;color:#968d83;font-weight:400}
form.rfq input,form.rfq select,form.rfq textarea{display:block;width:100%;margin-top:8px;padding:12px 0;background:transparent;border:0;border-bottom:1px solid rgba(243,239,232,.32);border-radius:0;
  color:var(--on-ink);font:inherit;font-family:var(--f-d);font-size:1.02rem;letter-spacing:0;text-transform:none;transition:border-color .25s,background .25s}
form.rfq textarea{resize:vertical;min-height:96px;border:1px solid rgba(243,239,232,.32);padding:12px 14px}
form.rfq input::placeholder,form.rfq textarea::placeholder{color:#8f877d}
@media (max-width:639px){form.rfq input::placeholder{font-size:.84rem}}
form.rfq input:hover,form.rfq select:hover,form.rfq textarea:hover{border-color:rgba(243,239,232,.6)}
form.rfq input:focus,form.rfq select:focus,form.rfq textarea:focus{outline:0;border-color:var(--heat);box-shadow:0 1px 0 0 var(--heat)}
form.rfq textarea:focus{box-shadow:0 0 0 1px var(--heat)}
form.rfq select{appearance:none;-webkit-appearance:none;background:transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23ff8a3d' stroke-width='1.6'/%3E%3C/svg%3E") right 4px center no-repeat;padding-right:28px;cursor:pointer}
form.rfq select option{background:var(--ink);color:var(--on-ink)}
form.rfq input[type=file]{border:1px dashed rgba(243,239,232,.35);padding:14px;font-size:.9rem;color:var(--on-ink-2);cursor:pointer}
form.rfq input[type=file]::file-selector-button{font:inherit;font-family:var(--f-m);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;background:var(--on-ink);color:var(--ink);border:0;padding:9px 14px;margin-right:14px;cursor:pointer;transition:background .25s}
form.rfq input[type=file]:hover::file-selector-button{background:var(--heat)}
form.rfq label.has-file input[type=file]{border-color:var(--heat);border-style:solid}
form.rfq .consent{display:flex;gap:12px;align-items:flex-start;font-family:var(--f-d);font-size:.92rem;letter-spacing:0;text-transform:none;color:#d4ccc2}
form.rfq input[type=checkbox]{flex:none;width:20px;height:20px;margin:2px 0 0;padding:0;accent-color:var(--heat);border:0}
form.rfq button{margin-top:6px;min-width:220px}
@media (max-width:639px){form.rfq button,.foot-lead .btn{width:100%}}
form.rfq button.btn{--bg:var(--heat);--fg:var(--ink)}
form.rfq button.btn::after{background:var(--on-ink)}
.contact-box{border:1px solid var(--ink-line);padding:clamp(24px,2.6vw,36px);background:var(--ink-2)}
.contact-box h2{font-size:1.4rem!important;padding-top:0!important}
.contact-box h2::before{display:none}
.contact-box h3{font-size:.72rem;line-height:1.5;margin-top:24px;font-family:var(--f-m);font-weight:500;letter-spacing:.08em;text-transform:uppercase;font-stretch:100%;color:var(--on-ink-2)}
.contact-box p{margin-bottom:.8em;font-size:.95rem}
.contact-box .btn{width:100%;max-width:100%}
.contact-box .btn.wa{--bg:transparent;--fg:var(--on-ink);border-color:rgba(243,239,232,.4)}
.contact-box .btn.wa svg{color:#3ddc84}
.contact-box ul.ticks li{border-color:var(--ink-line);font-size:.93rem;color:#d4ccc2}
.contact-box b{color:var(--on-ink)}
@media (min-width:1000px){.rfq-grid aside{position:sticky;top:100px}}

/* ---------------------------------------------------------------- 3D viewer */
.v3d-sec{background:var(--paper-2)}
.v3d{border:0;background:transparent;padding:0}
.v3d-stage{position:relative;width:100%;aspect-ratio:16/10;max-height:min(70vh,640px);margin:0 auto;overflow:hidden;
  background:radial-gradient(ellipse at 50% 42%,#fdfbf7 0%,#efebe4 55%,#e2dbcf 100%);border:1px solid var(--rule)}
.v3d-stage::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(var(--rule) 1px,transparent 1px),linear-gradient(90deg,var(--rule) 1px,transparent 1px);background-size:44px 44px;opacity:.35}
.v3d-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;transition:opacity .6s}
.v3d-stage canvas{position:absolute;inset:0;width:100%!important;height:100%!important;display:block;cursor:grab}
.v3d-stage canvas:active{cursor:grabbing}
.v3d[data-state=ready] .v3d-poster{opacity:0;pointer-events:none}
.v3d-load{position:absolute;left:50%;bottom:20px;transform:translateX(-50%)}
.v3d-load:active{transform:translateX(-50%) translateY(1px)}
.v3d[data-state=ready] .v3d-load{display:none}
.v3d-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin:16px 0 8px}
.v3d-tools{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--rule-2)}
.v3d-tools button{font:inherit;font-family:var(--f-m);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;padding:0 16px;min-height:44px;border:0;border-right:1px solid var(--rule-2);background:transparent;color:var(--text);cursor:pointer;transition:background .25s,color .25s}
.v3d-tools button:last-child{border-right:0}
.v3d-tools button:hover{background:var(--white)}
.v3d-tools button[aria-pressed=true]{background:var(--ink);color:var(--on-ink)}
.v3d:not([data-state=ready]) .v3d-tools{opacity:1;pointer-events:none}
.v3d:not([data-state=ready]) .v3d-tools button{color:var(--muted)}
.v3d:not([data-state=ready]) .v3d-tools button[aria-pressed=true]{background:var(--paper-3);color:var(--text)}
.v3d-hint{font-family:var(--f-m);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.v3d-hint .touch{display:none}
@media (pointer:coarse){.v3d-hint .fine{display:none}.v3d-hint .touch{display:inline}}
.v3d .note{margin:8px 0 0}
.v3d .lbl3d{font-weight:650;color:var(--text)}
.v3d-links{font-size:.95rem}
@media (max-width:640px){.v3d-stage{aspect-ratio:4/3}.v3d-tools{width:100%}.v3d-tools button{flex:1 1 auto;padding:0 10px}}


ol.process{list-style:none;margin:0;padding:0;display:grid;gap:28px;grid-template-columns:1fr}
.pstep{display:grid;gap:0;border-top:1px solid var(--rule-2);padding-top:16px}
.pstep > div{padding:16px 0 0}
.pstep .n{display:block;font-family:var(--f-s);font-style:italic;font-size:2.2rem;line-height:1;color:var(--heat-ink);margin-bottom:8px}
.pstep img{width:100%;aspect-ratio:4/3;object-fit:cover;order:-1}
@media (min-width:640px){ol.process{grid-template-columns:repeat(2,1fr)}}
@media (min-width:960px){ol.process{grid-template-columns:repeat(3,1fr)}}
.xf{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin:0 0 24px;padding:14px 18px;background:var(--white);border:1px solid var(--rule-2)}
.xf label{font-family:var(--f-m);font-size:.72rem;letter-spacing:.09em;text-transform:uppercase}
.xf input{padding:10px 0;border:0;border-bottom:1px solid var(--rule-2);min-width:0;flex:1 1 260px;font:inherit;font-family:var(--f-m);font-size:1rem;background:transparent;color:var(--text)}
.xf input:focus{outline:0;border-color:var(--heat);box-shadow:0 1px 0 var(--heat)}
.xf output{font-family:var(--f-m);font-size:.76rem;color:var(--muted)}
.video-slot{background:var(--paper-3)}
.hero-cards{display:grid;gap:12px;grid-template-columns:1fr 1fr}
.sec2 p > a,.note a,.guides + p a{display:inline-block;padding:6px 0;min-height:24px}

/* ---------------------------------------------------------------- footer */
.site-footer{background:var(--ink);color:var(--on-ink-2);font-size:.92rem;position:relative;overflow:hidden;padding-top:clamp(64px,8vw,120px)}
.site-footer a{color:var(--on-ink);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s,color .2s}
.site-footer a:hover{border-color:var(--heat);color:#fff}
.site-footer h2{font-family:var(--f-m);font-size:.72rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--on-ink-2);margin:0 0 18px;font-stretch:100%}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:10px}
.foot-lead{display:grid;gap:28px;padding-bottom:clamp(48px,6vw,88px);border-bottom:1px solid var(--ink-line)}
.foot-kicker{font-stretch:118%;font-weight:720;font-size:clamp(2rem,1.2rem + 3vw,4rem);line-height:1;letter-spacing:-.03em;color:var(--on-ink);margin:0;max-width:16ch}
.foot-kicker em{color:var(--heat-2)}
.foot-lead .btn{justify-self:start}
@media (min-width:960px){.foot-lead{grid-template-columns:1fr auto;align-items:end}}
.foot-grid{display:grid;gap:36px;padding-top:clamp(40px,5vw,72px);padding-bottom:40px;grid-template-columns:1fr}
.foot-about p{max-width:44ch}
.foot-about h2{font-family:var(--f-d);font-stretch:125%;font-weight:800;font-size:1.1rem;letter-spacing:.06em;color:var(--on-ink);text-transform:none}
.foot-contact{line-height:1.9}
@media (min-width:340px) and (max-width:699px){.foot-grid{grid-template-columns:1fr 1fr;gap:36px 20px}.foot-about{grid-column:1/-1}}
@media (min-width:700px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1100px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}}
.foot-legal{padding-bottom:28px}
.site-footer .legal{font-size:.78rem;color:#9a9187;border-top:1px solid var(--ink-line);padding-top:14px;margin:0 0 0;max-width:none}
.site-footer .legal + .legal{border-top:0!important;padding-top:6px!important}
.foot-mark{font-stretch:125%;font-weight:850;font-size:clamp(4rem,20.5vw,22rem);line-height:.74;letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1px rgba(243,239,232,.14);
  white-space:nowrap;text-align:center;user-select:none;margin-bottom:-.06em;padding-top:12px;background:linear-gradient(180deg,transparent 0 62%,rgba(255,90,31,.0) 62%);position:relative}
.foot-mark span{background:linear-gradient(90deg,rgba(243,239,232,.0),rgba(255,106,31,.22) 50%,rgba(243,239,232,0));-webkit-background-clip:text;background-clip:text}

/* floating WhatsApp (mobile) */
.wa-float{position:fixed;right:16px;bottom:20px;z-index:50;display:flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:50%;background:var(--ink);color:#3ddc84;border:1px solid rgba(243,239,232,.25);box-shadow:0 10px 30px rgba(0,0,0,.28);text-decoration:none;transition:transform .3s var(--ease)}
.wa-float:hover{transform:translateY(-2px);color:#3ddc84}
.wa-float svg{width:26px;height:26px}
.wa-float span{position:absolute;left:-9999px}
.menu-open .wa-float{display:none}
.js .wa-float{opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .4s var(--ease),transform .4s var(--ease)}
.js .wa-float.on{opacity:1;transform:none;pointer-events:auto}
@media (min-width:1100px){.wa-float{display:none}}

/* ---------------------------------------------------------------- reveal motion */
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform 1s var(--ease);transition-delay:calc(var(--i,0) * 70ms)}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;transition-delay:0s!important}
  .js .rv{opacity:1;transform:none}
  .tk-track{overflow-x:auto}
  .tk-track ul[aria-hidden]{display:none}
  .rod .h::after{transform:none;opacity:1}
}
@media print{.site-header,.wa-float,.rfq-band,.foot-mark,.ticker{display:none}body{background:#fff}}

/* text-only heroes: engineering grid + a heating rod drawn in CSS (desktop) */
@media (min-width:1100px){
  .hero:not(.home-hero):not(.prod-hero):not(:has(figure)){overflow:hidden}
  .hero:not(.home-hero):not(.prod-hero):not(:has(figure))::before{content:"";position:absolute;top:0;bottom:0;right:0;width:46%;pointer-events:none;
    background-image:linear-gradient(var(--rule) 1px,transparent 1px),linear-gradient(90deg,var(--rule) 1px,transparent 1px);background-size:64px 64px;
    -webkit-mask-image:linear-gradient(90deg,transparent,#000 40%);mask-image:linear-gradient(90deg,transparent,#000 40%);opacity:.7}
  .hero:not(.home-hero):not(.prod-hero):not(:has(figure))::after{content:"";position:absolute;right:var(--gut);top:50%;width:min(36%,520px);height:14px;margin-top:-7px;
    background:linear-gradient(#8e8c87,#5f5d59) left/24% 100% no-repeat,linear-gradient(#8e8c87,#5f5d59) right/24% 100% no-repeat,var(--hot);
    box-shadow:0 0 42px 4px rgba(255,90,31,.32);animation:heat 1.4s var(--ease) .1s both}
}
@keyframes heat{from{filter:grayscale(1) brightness(.8)}to{filter:none}}

/* font-load guard: hero copy waits for the webfonts (max 900 ms) so the swap causes no layout shift */
.fl .hero h1,.fl .hero .lead,.fl .hero .eyebrow,.fl .hero .btns,.fl .hero .code-chip,.fl .hero .updated,.fl .hh-note,.fl .hero .toc{visibility:hidden}
.hh-grid{align-content:end}

/* dark form straight into dark footer: one continuous kiln block with a hairline */
main:has(> .rfq-band:last-child,> .rfq-band + script:last-child) + .site-footer{padding-top:0}
main:has(> .rfq-band:last-child,> .rfq-band + script:last-child) + .site-footer .foot-lead{border-top:1px solid var(--ink-line);padding-top:clamp(56px,7vw,104px)}
main > .rfq-band:last-child,main > .rfq-band:has(+ script:last-child){padding-bottom:clamp(64px,7vw,112px)}
/* backdrop-filter makes the header a containing block for fixed children: drop it while the menu is open */
.menu-open .site-header{-webkit-backdrop-filter:none;backdrop-filter:none;background:var(--ink)}
.nav-extra .btn.line{--fg:var(--on-ink);border-color:rgba(243,239,232,.4)}
.nav-extra .btn.wa svg{color:#3ddc84}

/* product pages: sticky in-page bar (built by pmx.js) */
.subnav{position:sticky;top:72px;z-index:40;background:rgba(245,242,236,.94);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.subnav ul{list-style:none;margin:0 auto;max-width:calc(var(--wrap) + 2*var(--gut));padding:0 var(--gut);display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.subnav ul::-webkit-scrollbar{display:none}
.subnav a{display:block;white-space:nowrap;padding:14px 12px;font-family:var(--f-m);font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);text-decoration:none;position:relative}
.subnav a::after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;background:var(--hot);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.subnav a:hover,.subnav a.on{color:var(--text)}
.subnav a.on::after,.subnav a:hover::after{transform:scaleX(1)}
.subnav li:first-child a{padding-left:0}.subnav li:first-child a::after{left:0}
.subnav .sn-cta{margin-left:auto}
.subnav .sn-cta a{color:var(--heat-ink)}
@media (max-width:1099px){.subnav{top:64px}}
@media (max-width:639px){.subnav .sn-cta{display:none}}
.subnav + section{border-top:0!important}
html{scroll-padding-top:136px}
/* tablet: keep the product photo from pushing the headline below the fold */
@media (min-width:640px) and (max-width:959px){.prod-hero .ph-fig img{max-height:46vh}}
.gallery figure{overflow:hidden}
.gallery figure > img{transition:transform .9s var(--ease)}
.gallery figure:hover > img{transform:scale(1.035)}
.callout{margin:1.4em 0 .6em;padding:18px 20px;border-left:3px solid var(--hot);background:var(--white);border-top:1px solid var(--rule);border-right:1px solid var(--rule);border-bottom:1px solid var(--rule)}.callout h3{margin:0 0 .5em;font-size:1.05rem}.callout p{margin:0;font-size:.95rem}
.chk.one{columns:1}