/* ============================================================
   UE CABLE — shared stylesheet (ue.css)
   Design system: deep slate + copper, IBM Plex + Archivo
   Bilingual: html[data-lang="en"|"zh"] toggles .en / .zh spans
   ============================================================ */

:root{
  --ink:#0B1620;
  --ink-2:#10212E;
  --ink-3:#1A2F3E;
  --ink-line:#24394A;
  --copper:#C0743C;
  --copper-2:#DD9354;
  --copper-deep:#9A5829;
  --paper:#EDEFF1;
  --white:#FFFFFF;
  --line:#D6DBDF;
  --steel:#69737D;
  --text:#16242E;
  --text-muted:#586470;
  --text-d:#E7ECEF;
  --text-d-muted:#94A2AD;
  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--paper);color:var(--text);line-height:1.6;font-size:16px;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:"Archivo",sans-serif;line-height:1.06;letter-spacing:-.02em;font-weight:800}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.mono{font-family:"IBM Plex Mono",monospace}

/* ---- bilingual switch ---- */
html[data-lang="en"] .zh{display:none}
html[data-lang="zh"] .en{display:none}
/* Chinese set in a face that keeps Archivo headings tidy */
html[data-lang="zh"] h1,html[data-lang="zh"] h2,html[data-lang="zh"] h3,html[data-lang="zh"] h4{letter-spacing:-.01em}

.eyebrow{
  font-family:"IBM Plex Mono",monospace;font-size:.72rem;font-weight:500;
  letter-spacing:.2em;text-transform:uppercase;color:var(--copper);
  display:inline-flex;align-items:center;gap:.6em;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--copper);display:inline-block}
.eyebrow.center{justify-content:center}

/* ---- buttons ---- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;font-family:"IBM Plex Mono",monospace;
  font-size:.82rem;font-weight:500;letter-spacing:.04em;text-transform:uppercase;
  padding:15px 26px;border:1px solid transparent;cursor:pointer;
  transition:all .35s var(--ease);white-space:nowrap;
}
.btn .arw{transition:transform .35s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn-copper{background:var(--copper);color:#fff}
.btn-copper:hover{background:var(--copper-deep)}
.btn-ghost{border-color:var(--ink-line);color:var(--text-d)}
.btn-ghost:hover{border-color:var(--copper);color:var(--copper-2)}
.btn-outline{border-color:var(--text);color:var(--text)}
.btn-outline:hover{background:var(--text);color:#fff}
.btn-white{background:#fff;color:var(--copper-deep)}
.btn-white:hover{background:var(--ink);color:#fff}

/* ---- top bar ---- */
.topbar{background:var(--ink);color:var(--text-d-muted);font-family:"IBM Plex Mono",monospace;font-size:.74rem;letter-spacing:.03em}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px;gap:20px}
.topbar a{color:var(--text-d-muted);transition:color .25s}
.topbar a:hover{color:var(--copper-2)}
.topbar .ti{display:flex;align-items:center;gap:8px}
.topbar .left{display:flex;gap:28px}
.topbar .right{display:flex;gap:18px;align-items:center}
.topbar .dot{color:var(--ink-line)}

/* ---- header ---- */
header{position:sticky;top:0;z-index:60;background:rgba(11,22,32,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--ink-line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo svg{width:34px;height:34px;flex-shrink:0}
.logo .wm{font-family:"Archivo";font-weight:800;font-size:1.42rem;letter-spacing:-.03em;color:#fff;line-height:1}
.logo .wm b{color:var(--copper-2)}
.logo .sub{font-family:"IBM Plex Mono";font-size:.56rem;letter-spacing:.32em;color:var(--text-d-muted);text-transform:uppercase;margin-top:3px;display:block}
nav.main{display:flex;gap:30px;margin-left:auto}
nav.main a{font-size:.9rem;font-weight:500;color:var(--text-d);position:relative;padding:4px 0;letter-spacing:.01em}
nav.main a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--copper);transition:width .3s var(--ease)}
nav.main a:hover,nav.main a.active{color:#fff}
nav.main a:hover::after,nav.main a.active::after{width:100%}
.hdr-cta{display:flex;align-items:center;gap:12px;flex-shrink:0}
.langtog{font-family:"IBM Plex Mono";font-size:.78rem;letter-spacing:.06em;background:none;border:1px solid var(--ink-line);color:var(--text-d);padding:9px 13px;cursor:pointer;transition:all .25s}
.langtog:hover{border-color:var(--copper);color:var(--copper-2)}
.burger{display:none;background:none;border:1px solid var(--ink-line);width:44px;height:42px;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.burger span{width:20px;height:2px;background:#fff;transition:.3s}

/* ---- mobile nav ---- */
.mobnav{position:fixed;inset:0;background:var(--ink);z-index:90;transform:translateX(100%);transition:transform .4s var(--ease);display:flex;flex-direction:column;padding:30px 28px}
.mobnav.open{transform:none}
.mobnav .x{align-self:flex-end;background:none;border:1px solid var(--ink-line);width:44px;height:44px;color:#fff;font-size:1.3rem;cursor:pointer}
.mobnav a{font-family:"Archivo";font-weight:700;font-size:1.6rem;color:#fff;padding:13px 0;border-bottom:1px solid var(--ink-line)}
.mobnav .mob-cta{margin-top:auto;padding-top:24px}

/* ---- hero (home) ---- */
.hero{background:var(--ink);color:var(--text-d);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 600px at 78% 42%, rgba(192,116,60,.16), transparent 60%),
  radial-gradient(700px 500px at 8% 100%, rgba(26,47,62,.7), transparent 55%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;padding:90px 28px 96px}
.hero-copy{max-width:620px}
/* homepage hero video background */
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-video-scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(11,22,32,.94) 0%,rgba(11,22,32,.78) 42%,rgba(11,22,32,.42) 100%)}
.hero .wrap{position:relative;z-index:2}
.hero-sound{position:absolute;right:18px;bottom:18px;z-index:4;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.32);background:rgba(11,22,32,.5);color:#fff;font-size:17px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px);transition:border-color .2s,background .2s}
.hero-sound:hover{border-color:var(--copper);background:rgba(11,22,32,.7)}
.hero h1{font-size:clamp(2.7rem,5.4vw,4.9rem);font-weight:800;color:#fff;margin:26px 0 0}
.hero h1 .cu{color:var(--copper-2)}
.hero-lead{font-size:1.12rem;color:var(--text-d-muted);margin:24px 0 36px;max-width:540px;line-height:1.65}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-strip{display:flex;flex-wrap:wrap;margin-top:48px;border-top:1px solid var(--ink-line)}
.hero-strip .hs{padding:20px 26px 0 0;margin-right:26px}
.hero-strip .hs .n{font-family:"Archivo";font-weight:800;font-size:1.7rem;color:#fff;line-height:1}
.hero-strip .hs .l{font-family:"IBM Plex Mono";font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;color:var(--text-d-muted);margin-top:7px}

/* ---- cross-section signature ---- */
.xsec-wrap{display:flex;align-items:center;justify-content:center;position:relative}
.xsec{width:min(440px,90%);aspect-ratio:1;position:relative}
.xsec svg{width:100%;height:100%;overflow:visible}
.spin{transform-origin:160px 160px;animation:spin 60s linear infinite}
.spin-rev{transform-origin:160px 160px;animation:spin 90s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.ring-draw{opacity:0;animation:ringIn .9s var(--ease) forwards}
@keyframes ringIn{to{opacity:1}}
.xsec-cap{position:absolute;bottom:-6px;left:50%;transform:translateX(-50%);font-family:"IBM Plex Mono";font-size:.66rem;letter-spacing:.14em;color:var(--text-d-muted);text-transform:uppercase;white-space:nowrap}

/* ---- standards bar ---- */
.stdbar{background:var(--ink-2);border-top:1px solid var(--ink-line);border-bottom:1px solid var(--ink-line);overflow:hidden}
.stdbar .wrap{display:flex;align-items:center;gap:14px;min-height:62px;padding-top:10px;padding-bottom:10px}
.stdbar .lbl{font-family:"IBM Plex Mono";font-size:.68rem;letter-spacing:.16em;color:var(--copper-2);text-transform:uppercase;flex-shrink:0;border-right:1px solid var(--ink-line);padding-right:20px}
.stdbar .items{display:flex;gap:30px;font-family:"IBM Plex Mono";font-size:.84rem;color:var(--text-d-muted);letter-spacing:.04em;flex-wrap:wrap}
.stdbar .items b{color:var(--text-d);font-weight:500}

/* ---- section base ---- */
.section{padding:96px 0}
.sec-head{max-width:720px;margin-bottom:52px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(1.9rem,3.4vw,2.85rem);margin:18px 0 0;color:var(--text)}
.sec-head p{color:var(--text-muted);margin-top:18px;font-size:1.05rem;max-width:600px}
.sec-head.center p{margin-left:auto;margin-right:auto}

/* ---- products grid (home) ---- */
.products{background:var(--white)}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:38px;border-bottom:1px solid var(--line)}
.filter{font-family:"IBM Plex Mono";font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;padding:14px 22px;background:none;border:none;border-bottom:2px solid transparent;color:var(--text-muted);cursor:pointer;transition:all .25s;margin-bottom:-1px}
.filter:hover{color:var(--text)}
.filter.active{color:var(--copper);border-bottom-color:var(--copper)}
.grid{display:none;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.grid.show{display:grid}
.pcard{background:var(--white);padding:26px 24px 24px;display:flex;flex-direction:column;gap:14px;min-height:178px;transition:background .3s;position:relative}
.pcard.link{cursor:pointer}
.pcard:hover{background:#FBFAF8}
.pcard::after{content:"";position:absolute;left:0;top:0;height:0;width:3px;background:var(--copper);transition:height .35s var(--ease)}
.pcard:hover::after{height:100%}
.pcard .pnum{font-family:"IBM Plex Mono";font-size:.7rem;color:var(--steel);letter-spacing:.08em}
.pcard h3{font-size:1.06rem;font-weight:600;color:var(--text);line-height:1.22;letter-spacing:-.01em;padding-right:78px}
/* indicative cross-section — quiet monochrome corner mark (no heavy colour/disc) */
.pcard .pfig{position:absolute;top:20px;right:20px;width:60px;height:60px;background:none;box-shadow:none;border-radius:0;
  display:flex;align-items:center;justify-content:center;opacity:.42;filter:grayscale(1) contrast(.82) brightness(1.04);
  pointer-events:none;transition:opacity .35s var(--ease),transform .35s var(--ease)}
.pcard .pfig svg{width:60px;height:60px;display:block}
.pcard:hover .pfig{opacity:1;filter:none;transform:scale(1.08)}
.pcard .std{margin-top:auto;font-family:"IBM Plex Mono";font-size:.72rem;letter-spacing:.02em;line-height:1.7;display:flex;flex-wrap:wrap;gap:6px}
.pcard .std span{background:#F3EEE8;padding:2px 8px;color:var(--copper-deep);white-space:nowrap}
.pcard .desc{font-size:.85rem;color:var(--text-muted);line-height:1.5}
.prod-foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px;margin-top:34px;padding-top:30px;border-top:1px solid var(--line)}
.prod-foot p{color:var(--text-muted);font-size:.95rem;max-width:540px}
.prod-foot p b{color:var(--text)}

/* ---- quality ---- */
.quality{background:var(--ink);color:var(--text-d);position:relative;overflow:hidden}
.quality::before{content:"";position:absolute;right:-120px;top:50%;transform:translateY(-50%);width:560px;height:560px;border-radius:50%;border:1px solid var(--ink-line);pointer-events:none}
.quality::after{content:"";position:absolute;right:-40px;top:50%;transform:translateY(-50%);width:360px;height:360px;border-radius:50%;border:1px solid var(--ink-line);pointer-events:none}
.q-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative}
.q-copy h2{color:#fff;font-size:clamp(1.9rem,3.4vw,2.85rem);margin:18px 0 0}
.q-copy p{color:var(--text-d-muted);margin-top:20px;font-size:1.05rem;max-width:480px}
.q-copy .btn{margin-top:32px}
.tests{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--ink-line);border:1px solid var(--ink-line)}
.test{background:var(--ink-2);padding:22px 20px;transition:background .3s}
.test:hover{background:var(--ink-3)}
.test .ti{font-family:"IBM Plex Mono";font-size:.68rem;color:var(--copper-2);letter-spacing:.08em}
.test h4{font-size:.98rem;font-weight:600;color:var(--text-d);margin-top:10px;line-height:1.3}
.test .std{font-family:"IBM Plex Mono";font-size:.7rem;color:var(--text-d-muted);margin-top:8px;letter-spacing:.03em}

/* ---- industries ---- */
.industries{background:var(--paper)}
.ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.icard{background:var(--white);border:1px solid var(--line);padding:30px 26px;transition:all .35s var(--ease);position:relative;overflow:hidden}
.icard:hover{transform:translateY(-4px);box-shadow:0 18px 40px -22px rgba(11,22,32,.4);border-color:#cfd5da}
.icard .ico{width:38px;height:38px;color:var(--copper);margin-bottom:20px}
.icard h3{font-size:1.18rem;font-weight:700;color:var(--text)}
.icard p{color:var(--text-muted);font-size:.9rem;margin-top:10px;line-height:1.55}
.icard .tags{font-family:"IBM Plex Mono";font-size:.7rem;color:var(--steel);margin-top:16px;letter-spacing:.04em;line-height:1.6}

/* ---- capabilities ---- */
.caps{background:var(--white)}
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-bottom:none}
.cap{padding:34px 28px;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.cap:nth-child(4n){border-right:none}
.cap .cn{font-family:"IBM Plex Mono";font-size:.72rem;color:var(--copper);letter-spacing:.1em}
.cap h3{font-size:1.12rem;font-weight:700;margin:14px 0 10px;color:var(--text)}
.cap p{color:var(--text-muted);font-size:.9rem;line-height:1.55}

/* ---- about ---- */
.about{background:var(--ink);color:var(--text-d)}
.about .wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about h2{color:#fff;font-size:clamp(1.9rem,3.4vw,2.85rem);margin:18px 0 22px}
.about p{color:var(--text-d-muted);font-size:1.05rem;margin-bottom:18px;max-width:500px}
.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--ink-line);border:1px solid var(--ink-line)}
.astat{background:var(--ink-2);padding:30px 26px}
.astat .n{font-family:"Archivo";font-weight:800;font-size:2.4rem;color:var(--copper-2);line-height:1}
.astat .l{font-family:"IBM Plex Mono";font-size:.72rem;color:var(--text-d-muted);text-transform:uppercase;letter-spacing:.1em;margin-top:12px;line-height:1.5}

/* ---- CTA band ---- */
.cta-band{background:var(--copper);color:#fff;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:-80px;bottom:-80px;width:300px;height:300px;border-radius:50%;border:2px solid rgba(255,255,255,.18)}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:64px 28px;position:relative;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(1.7rem,3vw,2.5rem);max-width:680px}
.cta-band .sub{font-family:"IBM Plex Mono";font-size:.8rem;letter-spacing:.06em;color:rgba(255,255,255,.9);margin-top:14px;text-transform:uppercase}

/* ---- footer ---- */
footer{background:var(--ink);color:var(--text-d-muted);padding:72px 0 0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:54px}
.foot-brand .logo{margin-bottom:20px}
.foot-brand p{font-size:.9rem;color:var(--text-d-muted);max-width:300px;line-height:1.6}
.foot-col h5{font-family:"IBM Plex Mono";font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-d);margin-bottom:20px;font-weight:500}
.foot-col a{display:block;font-size:.88rem;color:var(--text-d-muted);padding:6px 0;transition:color .25s}
.foot-col a:hover{color:var(--copper-2)}
.foot-contact .ci{font-size:.88rem;color:var(--text-d-muted);margin-bottom:14px;line-height:1.5}
.foot-contact .ci b{color:var(--text-d);font-weight:500;display:block;font-family:"IBM Plex Mono";font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px}
.accred{display:flex;gap:14px;flex-wrap:wrap;padding:30px 0;border-top:1px solid var(--ink-line);align-items:center}
.accred .at{font-family:"IBM Plex Mono";font-size:.74rem;letter-spacing:.06em;color:var(--text-d-muted);border:1px solid var(--ink-line);padding:9px 15px}
.foot-bot{border-top:1px solid var(--ink-line);padding:24px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;font-family:"IBM Plex Mono";font-size:.74rem;color:var(--text-d-muted);letter-spacing:.03em}
.foot-bot a:hover{color:var(--copper-2)}

/* ============================================================
   INNER PAGES
   ============================================================ */

/* breadcrumb */
.crumb{background:var(--ink-2);border-bottom:1px solid var(--ink-line)}
.crumb .wrap{display:flex;align-items:center;gap:10px;height:48px;font-family:"IBM Plex Mono";font-size:.74rem;letter-spacing:.04em;color:var(--text-d-muted)}
.crumb a{color:var(--text-d-muted);transition:color .25s}
.crumb a:hover{color:var(--copper-2)}
.crumb .sep{color:var(--ink-line)}
.crumb .here{color:var(--copper-2)}

/* page hero (inner, dark) */
.phero{background:var(--ink);color:var(--text-d);position:relative;overflow:hidden}
.phero::before{content:"";position:absolute;inset:0;background:radial-gradient(800px 500px at 82% 30%,rgba(192,116,60,.14),transparent 60%);pointer-events:none}
.phero .wrap{position:relative;padding:72px 28px 76px}
.phero.split .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.phero h1{font-size:clamp(2.2rem,4.4vw,3.6rem);color:#fff;margin:20px 0 0}
.phero .plead{color:var(--text-d-muted);font-size:1.08rem;margin:22px 0 30px;max-width:540px;line-height:1.65}
.phero .badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.phero .badges span{font-family:"IBM Plex Mono";font-size:.74rem;letter-spacing:.04em;color:var(--copper-2);border:1px solid var(--ink-line);padding:7px 12px}
.phero .pcta{display:flex;gap:14px;flex-wrap:wrap}

/* prose / content blocks */
.content{background:var(--white)}
.prose{max-width:760px}
.prose p{color:var(--text-muted);font-size:1.05rem;margin-bottom:20px;line-height:1.7}
.prose h3{font-size:1.4rem;color:var(--text);margin:36px 0 14px}

/* spec table */
.spec-wrap{overflow-x:auto;border:1px solid var(--line);margin-top:8px}
table.spec{width:100%;border-collapse:collapse;font-family:"IBM Plex Mono";font-size:.82rem;min-width:680px}
table.spec thead th{background:var(--ink);color:var(--text-d);text-align:left;padding:14px 16px;font-weight:500;letter-spacing:.04em;border-right:1px solid var(--ink-line);white-space:nowrap}
table.spec thead th:last-child{border-right:none}
table.spec td{padding:12px 16px;border-top:1px solid var(--line);border-right:1px solid var(--line);color:var(--text);white-space:nowrap}
table.spec td:last-child{border-right:none}
table.spec tbody tr:nth-child(even){background:#FAFBFB}
table.spec tbody tr:hover{background:#F3EEE8}
.spec-note{font-family:"IBM Plex Mono";font-size:.72rem;color:var(--steel);margin-top:12px;letter-spacing:.02em}

/* two-column feature lists */
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:8px}
.flist{list-style:none}
.flist li{padding:14px 0 14px 26px;border-bottom:1px solid var(--line);position:relative;color:var(--text);font-size:.96rem;line-height:1.5}
.flist li::before{content:"";position:absolute;left:0;top:21px;width:9px;height:9px;background:var(--copper);}
.block-title{font-family:"IBM Plex Mono";font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--copper);margin-bottom:14px}

/* construction layer list */
.layers{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:8px}
.layer{background:var(--white);padding:20px 22px}
.layer .ln{font-family:"IBM Plex Mono";font-size:.7rem;color:var(--steel);letter-spacing:.08em}
.layer h4{font-size:1.02rem;color:var(--text);margin:8px 0 4px}
.layer p{font-size:.86rem;color:var(--text-muted);line-height:1.5}

/* related products */
.related{background:var(--paper)}
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.rcard{background:var(--white);border:1px solid var(--line);padding:24px 22px;transition:all .3s var(--ease);display:block}
.rcard:hover{transform:translateY(-3px);box-shadow:0 16px 36px -22px rgba(11,22,32,.4);border-color:#cfd5da}
.rcard .rn{font-family:"IBM Plex Mono";font-size:.7rem;color:var(--copper);letter-spacing:.08em}
.rcard h4{font-size:1.04rem;color:var(--text);margin:12px 0 10px;line-height:1.25}
.rcard .rstd{font-family:"IBM Plex Mono";font-size:.7rem;color:var(--steel);letter-spacing:.02em}

/* ---- contact / form ---- */
.contact-sec{background:var(--white)}
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:start}
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-family:"IBM Plex Mono";font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}
.field label .req{color:var(--copper)}
.field input,.field select,.field textarea{
  font-family:"IBM Plex Sans",sans-serif;font-size:.95rem;color:var(--text);
  background:var(--white);border:1px solid var(--line);padding:13px 14px;width:100%;
  transition:border-color .25s;
}
.field textarea{resize:vertical;min-height:130px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--copper)}
.form .actions{grid-column:1/-1;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.form-note{font-family:"IBM Plex Mono";font-size:.72rem;color:var(--steel);letter-spacing:.02em;line-height:1.5}
.contact-side{background:var(--ink);color:var(--text-d);padding:38px 34px}
.contact-side h3{color:#fff;font-size:1.3rem;margin-bottom:8px}
.contact-side .cs-sub{color:var(--text-d-muted);font-size:.92rem;margin-bottom:28px;line-height:1.55}
.cs-item{padding:18px 0;border-top:1px solid var(--ink-line)}
.cs-item .cl{font-family:"IBM Plex Mono";font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--copper-2);margin-bottom:6px}
.cs-item .cv{color:var(--text-d);font-size:.98rem;line-height:1.5}
.cs-item a{color:var(--text-d)}
.cs-item a:hover{color:var(--copper-2)}

/* ---- reveal ---- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---- responsive ---- */
@media (max-width:1080px){
  nav.main{display:none}
  .burger{display:flex}
  .hdr-cta .btn-copper{display:none}
  header .wrap>.site-search{display:none}
  .grid,.grid.show,.rel-grid{grid-template-columns:repeat(2,1fr)}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .cap:nth-child(4n){border-right:1px solid var(--line)}
  .cap:nth-child(2n){border-right:none}
  .ind-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr;padding:64px 28px 72px;gap:40px}
  .phero.split .wrap{grid-template-columns:1fr;gap:38px}
  .xsec-wrap{order:-1}
  .xsec{width:min(320px,78%)}
  .q-grid,.about .wrap,.cols2,.contact-grid{grid-template-columns:1fr;gap:42px}
  .topbar .left .ti:nth-child(3){display:none}
}
@media (max-width:620px){
  .wrap{padding:0 20px}
  .section{padding:64px 0}
  .grid,.grid.show,.ind-grid,.cap-grid,.rel-grid,.layers{grid-template-columns:1fr}
  .cap:nth-child(n){border-right:none}
  .tests{grid-template-columns:1fr}
  .about-stats{grid-template-columns:1fr}
  .form{grid-template-columns:1fr}
  .topbar .left{gap:16px}
  .topbar .left .ti:nth-child(2){display:none}
  .hero-strip .hs{padding-right:18px;margin-right:18px}
  .hero-strip .hs .n{font-size:1.4rem}
  .cta-band .wrap,.phero .wrap{padding-left:20px;padding-right:20px}
  .cta-band .wrap{padding-top:48px;padding-bottom:48px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ---- rendered visuals, photo placeholders & direct download (added) ---- */
.render-figure{margin:36px 0 0;background:var(--ink-2);border:1px solid var(--ink-line);border-radius:16px;padding:28px 26px 18px;text-align:center}
.render-figure svg{width:100%;max-width:540px;height:auto}
.rf-cap{margin-top:10px;font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:var(--steel);letter-spacing:.03em}
.photo-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.photo-ph{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;min-height:158px;border:1.5px dashed var(--ink-line);border-radius:12px;color:var(--steel);font-size:.85rem;background:repeating-linear-gradient(45deg,transparent 0 11px,rgba(255,255,255,.015) 11px 22px)}
.photo-ph .ic{font-size:1.5rem;color:var(--copper);opacity:.75;line-height:1}
.photo-ph small{font-family:'IBM Plex Mono',monospace;font-size:.66rem;opacity:.6}
@media(max-width:760px){.photo-row{grid-template-columns:1fr}}
.docband{background:var(--ink-2);border-top:1px solid var(--ink-line);border-bottom:1px solid var(--ink-line)}
.dlcard{display:flex;align-items:center;gap:20px;background:var(--ink-3);border:1px solid var(--ink-line);border-left:3px solid var(--copper);border-radius:14px;padding:22px 24px;text-decoration:none;transition:border-color .2s,transform .2s}
.dlcard:hover{border-color:var(--copper);transform:translateY(-2px)}
.dlic{flex:none;width:46px;height:46px;border-radius:9px;background:var(--copper);color:#fff;display:flex;align-items:center;justify-content:center;font-family:Archivo,sans-serif;font-weight:800;font-size:.8rem;letter-spacing:.03em}
.dlmeta{flex:1;min-width:0}
.dlmeta h4{font-family:Archivo,sans-serif;font-weight:700;font-size:1.02rem;color:var(--paper);margin:0 0 3px}
.dlmeta p{margin:0;font-size:.85rem;color:var(--steel)}
.dlbtn{flex:none}
@media(max-width:600px){.dlcard{flex-wrap:wrap}.dlbtn{width:100%;justify-content:center}}
/* ---- Global smart search ---- */
.site-search{position:relative;flex-shrink:0}
.site-search input{width:216px;background:rgba(255,255,255,.10);border:1px solid rgba(224,168,106,.45);color:#fff;font-family:"IBM Plex Sans",sans-serif;font-size:.85rem;padding:9px 12px 9px 39px;border-radius:7px;outline:none;transition:border-color .25s,background-color .25s,width .25s,box-shadow .25s;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23E0A86A' stroke-width='1.7'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Ccircle cx='12' cy='12' r='4.3'/%3E%3Ccircle cx='12' cy='12' r='1.1' fill='%23E0A86A' stroke='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:12px center;background-size:17px}
.site-search input::placeholder{color:rgba(255,255,255,.6)}
.site-search input::-webkit-search-cancel-button{-webkit-appearance:none}
.site-search input:focus{border-color:var(--copper);background-color:rgba(255,255,255,.17);box-shadow:0 0 0 3px rgba(192,116,60,.25);width:256px}
.search-panel{position:absolute;top:calc(100% + 8px);right:0;width:380px;max-width:84vw;background:#fff;border:1px solid var(--line);border-radius:9px;box-shadow:0 18px 52px rgba(8,16,24,.28);overflow:hidden auto;max-height:64vh;display:none;z-index:80}
.search-panel.open{display:block}
.sr-item{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 15px;border-bottom:1px solid var(--line)}
.sr-item:last-child{border-bottom:none}
.sr-item:hover,.sr-item.active{background:#f3f6f7}
.sr-t{font-size:.9rem;font-weight:600;color:var(--ink);line-height:1.3}
.sr-c{font-family:"IBM Plex Mono",monospace;font-size:.64rem;letter-spacing:.05em;text-transform:uppercase;color:var(--copper);white-space:nowrap;flex-shrink:0}
.sr-empty{padding:15px;color:var(--text-muted);font-size:.86rem}
.mobnav .site-search{width:100%;margin:6px 0 20px}
.mobnav .site-search input{width:100%}
.mobnav .search-panel{position:static;width:100%;max-width:none;margin-top:10px;box-shadow:none}
.sr-all{display:block;padding:11px 15px;background:#f3f6f7;color:var(--copper-deep);font-family:"IBM Plex Mono",monospace;font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;font-weight:600;text-align:center;border-top:1px solid var(--line)}
.sr-all:hover{background:#e9eef0;color:var(--copper)}
/* ---- Inquiry cart (header badge) ---- */
.hdr-inq{position:relative;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--ink-line);color:var(--text-d);transition:border-color .25s,color .25s;flex-shrink:0}
.hdr-inq:hover{border-color:var(--copper);color:var(--copper-2)}
.hdr-inq svg{width:20px;height:20px}
.inq-badge{position:absolute;top:-7px;right:-7px;min-width:18px;height:18px;padding:0 4px;border-radius:999px;background:var(--copper);color:#fff;font-family:"IBM Plex Mono",monospace;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;line-height:1}
.inq-badge[hidden]{display:none}

/* ===== certifications (real cert scans) + about factory video — 2026-07 ===== */
.certs{background:var(--paper)}
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px}
.cert-card{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;text-decoration:none;color:inherit;transition:box-shadow .3s var(--ease),transform .3s var(--ease)}
.cert-card:hover{box-shadow:0 14px 36px rgba(11,22,32,.14);transform:translateY(-4px)}
.cert-card img{width:100%;height:330px;object-fit:cover;object-position:top;display:block;border-bottom:1px solid var(--line);background:#F6F5F2}
.cert-meta{padding:16px 18px 18px}
.cert-meta h3{margin:0 0 6px;font-size:1.02rem;color:var(--ink)}
.cert-meta p{margin:0 0 10px;font-size:.84rem;color:var(--steel);line-height:1.55}
.cert-no{font-family:"IBM Plex Mono",monospace;font-size:.66rem;color:var(--steel);letter-spacing:.02em}
.cert-valid{display:inline-block;margin-left:6px;padding:2px 9px;border-radius:20px;background:rgba(46,125,50,.12);color:#2E7D32;font-weight:600}
.cert-ccc{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;justify-content:center;margin-top:26px;font-size:.8rem}
.cert-ccc .ccc-label{color:var(--steel)}
.cert-ccc a{font-family:"IBM Plex Mono",monospace;font-size:.72rem;padding:6px 14px;border:1px solid var(--line);border-radius:20px;text-decoration:none;color:var(--ink);background:#fff;transition:border-color .2s,color .2s}
.cert-ccc a:hover{border-color:var(--copper);color:var(--copper-deep)}
.about-video{background:var(--ink);color:var(--text-d)}
.about-video .sec-head h2{color:#fff}
.about-video .sec-head p{color:var(--text-d-muted)}
.video-frame{max-width:960px;margin:0 auto}
.video-frame video{width:100%;aspect-ratio:16/9;border-radius:14px;display:block;background:#000;box-shadow:0 18px 48px rgba(0,0,0,.45)}
@media(max-width:860px){.cert-grid{grid-template-columns:1fr}.cert-card img{height:auto;max-height:430px}}