/* ==========================================================
   YIDING — Air Filtration & Cleanroom Solutions
   Design tokens
   ========================================================== */
:root{
  --bg:#eef3f8;
  --paper:#ffffff;
  --ice:#dfe8f3;
  --ink:#06142a;
  --ink-2:#12223a;
  --text:#1a2a42;
  --muted:#5b6a80;
  --line:rgba(6,20,42,.11);
  --accent:#2f6df6;
  --accent-2:#6fd6ff;
  --mint:#5fe3c0;
  --dark:#050e1d;
  --radius:22px;
  --radius-sm:14px;
  --ease:cubic-bezier(.16,1,.3,1);
  --font:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  --serif:"Instrument Serif","Times New Roman",Georgia,serif;
  --gutter:clamp(16px,4vw,56px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:auto;overflow-x:hidden;overflow-x:clip}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;overflow-x:clip}
img{max-width:100%;display:block}
[hidden]{display:none!important}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.035em;line-height:1.02;color:var(--ink)}
h2{font-size:clamp(38px,5.6vw,84px)}
h3{font-size:22px;letter-spacing:-.02em;line-height:1.2}
em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{width:min(1360px,100%);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(90px,12vw,170px) 0}
.center{text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0 0 22px}
.eyebrow::before{content:"";width:18px;height:1px;background:currentColor;opacity:.6}
.eyebrow.light{color:rgba(255,255,255,.66)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:var(--ink);color:#fff}

/* ---------- Buttons ---------- */
.btn{position:relative;display:inline-flex;align-items:center;gap:14px;height:56px;padding:0 10px 0 26px;border-radius:999px;font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;isolation:isolate;transition:color .4s var(--ease),border-color .4s var(--ease)}
.btn i{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;font-style:normal;transition:transform .5s var(--ease),background .4s}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;transform:translateY(101%);transition:transform .55s var(--ease)}
.btn:hover::before{transform:translateY(0)}
.btn:hover i{transform:rotate(45deg)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark i{background:rgba(255,255,255,.12)}
.btn-dark::before{background:var(--accent)}
.btn-ghost{padding:0 26px;background:rgba(255,255,255,.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.8);color:var(--ink)}
.btn-ghost::before{background:#fff}
.btn-line{border:1px solid var(--line);color:var(--ink);background:transparent}
.btn-line i{background:var(--ink);color:#fff}
.btn-line::before{background:var(--ink)}
.btn-line:hover{color:#fff}
.btn-line:hover i{background:#fff;color:var(--ink)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent i{background:rgba(255,255,255,.18)}
.btn-accent::before{background:var(--ink)}
.link{font-weight:600;border-bottom:1px solid currentColor;padding-bottom:2px}

/* ---------- Curtain / progress ---------- */
.curtain{position:fixed;inset:0;z-index:190;background:var(--ink);transform:translateY(100%);pointer-events:none}
.progress{position:fixed;left:0;right:0;top:0;height:2px;z-index:120;pointer-events:none}
.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2),var(--mint));transform-origin:left;transform:scaleX(0)}

/* ---------- Cursor ---------- */
.cursor{display:none}
@media (hover:hover) and (pointer:fine){
  .cursor{display:block;position:fixed;inset:0;pointer-events:none;z-index:180}
  .cursor-dot,.cursor-ring{position:fixed;left:0;top:0;border-radius:50%;translate:-50% -50%;will-change:transform}
  .cursor-dot{width:6px;height:6px;background:var(--accent)}
  .cursor-ring{width:38px;height:38px;border:1px solid rgba(47,109,246,.45);display:grid;place-items:center;transition:width .45s var(--ease),height .45s var(--ease),background .35s,border-color .35s}
  .cursor-ring em{font-family:var(--font);font-style:normal;font-size:12px;font-weight:700;letter-spacing:.08em;color:#fff;opacity:0;transform:scale(.6);transition:opacity .3s,transform .4s var(--ease)}
  .cursor.is-link .cursor-ring{width:62px;height:62px;background:rgba(47,109,246,.1)}
  .cursor.is-view .cursor-ring{width:92px;height:92px;background:var(--ink);border-color:var(--ink)}
  .cursor.is-view .cursor-ring em{opacity:1;transform:none}
  .cursor.is-view .cursor-dot{opacity:0}
  .cursor.is-hidden{opacity:0}
}

/* ---------- Header ---------- */
.site-header{position:fixed;top:14px;left:var(--gutter);right:var(--gutter);z-index:100;display:flex;align-items:center;gap:20px;height:68px;padding:0 10px 0 16px;border-radius:999px;transition:background .5s var(--ease),box-shadow .5s,transform .6s var(--ease),border-color .5s;border:1px solid transparent}
.site-header.is-solid{background:rgba(255,255,255,.72);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);border-color:rgba(255,255,255,.8);box-shadow:0 10px 40px rgba(6,20,42,.08)}
.site-header.is-hidden{transform:translateY(-130%)}
.site-header.on-dark:not(.is-solid) .brand b,.site-header.on-dark:not(.is-solid) .nav a{color:#fff}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto}
.brand img{width:40px;height:40px;object-fit:contain}
.brand b{display:flex;flex-direction:column;font-size:18px;letter-spacing:.08em;line-height:1.05;color:var(--ink)}
.brand small{font-size:8.5px;letter-spacing:.24em;font-weight:700;opacity:.7;margin-top:3px}
.nav{display:flex;gap:4px;padding:6px;border-radius:999px;background:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.7);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.nav a{position:relative;padding:9px 16px;border-radius:999px;font-size:14px;font-weight:600;color:var(--ink-2);transition:background .3s,color .3s}
.nav a:hover,.nav a.is-current{background:var(--ink);color:#fff!important}
.header-cta{height:48px;font-size:14px;padding-left:22px}
.header-cta i{width:32px;height:32px}
.burger{display:none;width:48px;height:48px;border-radius:50%;background:var(--ink);position:relative}
.burger i{position:absolute;left:15px;right:15px;height:1.6px;background:#fff;transition:transform .5s var(--ease)}
.burger i:first-child{top:20px}.burger i:last-child{top:27px}
.burger[aria-expanded="true"] i:first-child{transform:translateY(3.5px) rotate(45deg)}
.burger[aria-expanded="true"] i:last-child{transform:translateY(-3.5px) rotate(-45deg)}
.menu{position:fixed;inset:0;z-index:95;background:var(--dark);color:#fff;display:flex;flex-direction:column;justify-content:space-between;padding:120px var(--gutter) 40px;clip-path:circle(0% at calc(100% - 50px) 48px);visibility:hidden;transition:clip-path .8s var(--ease),visibility 0s .8s}
.menu.is-open{clip-path:circle(150% at calc(100% - 50px) 48px);visibility:visible;transition:clip-path .9s var(--ease)}
.menu nav{display:flex;flex-direction:column}
.menu nav a{display:flex;align-items:baseline;gap:16px;font-size:clamp(34px,9vw,60px);font-weight:500;letter-spacing:-.04em;line-height:1.25;border-bottom:1px solid rgba(255,255,255,.08);padding:6px 0;opacity:0;transform:translateY(30px);transition:opacity .5s,transform .7s var(--ease)}
.menu nav a span{font-size:12px;letter-spacing:.1em;opacity:.5}
.menu.is-open nav a{opacity:1;transform:none}
.menu.is-open nav a:nth-child(2){transition-delay:.05s}.menu.is-open nav a:nth-child(3){transition-delay:.1s}.menu.is-open nav a:nth-child(4){transition-delay:.15s}.menu.is-open nav a:nth-child(5){transition-delay:.2s}.menu.is-open nav a:nth-child(6){transition-delay:.25s}.menu.is-open nav a:nth-child(7){transition-delay:.3s}
.menu-foot{display:grid;gap:8px;font-size:15px;opacity:.7}
body.menu-open .site-header:not(.is-solid) .brand b{color:#fff}
body.menu-open .burger{background:#fff}
body.menu-open .burger i{background:var(--ink)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;padding:140px 0 34px;background:#dfe7f2}
.hero-media{position:absolute;inset:0}
.hero-glow{position:absolute;inset:0;background:radial-gradient(45% 55% at 72% 48%,rgba(255,255,255,.95),rgba(255,255,255,0) 70%),radial-gradient(40% 45% at 85% 20%,rgba(111,214,255,.25),transparent 70%),radial-gradient(50% 50% at 60% 90%,rgba(47,109,246,.12),transparent 70%),linear-gradient(180deg,#e6eef7,#dce6f2)}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%}
.hero-tag{position:absolute;left:0;top:0;display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;font-size:11.5px;font-weight:700;letter-spacing:.04em;white-space:nowrap;color:var(--ink);background:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.9);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 8px 24px rgba(6,20,42,.08);pointer-events:none}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:#8a6f52}
.hero-tag-out i{background:var(--accent)}
.hero-inner{position:relative;width:100%;flex:1;display:flex;flex-direction:column;justify-content:center}
.hero-eyebrow{color:var(--ink-2)}
.hero-eyebrow::before{display:none}
.dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 0 rgba(95,227,192,.6);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 12px rgba(95,227,192,0)}100%{box-shadow:0 0 0 0 rgba(95,227,192,0)}}
.hero-title{font-size:clamp(58px,10.5vw,176px);font-weight:500;letter-spacing:-.06em;line-height:.9;margin-bottom:34px}
.hero-title .line{display:block;overflow:hidden;padding-bottom:.06em}
.hero-title .split{display:inline-block}
.hero-title em{letter-spacing:-.03em;background:linear-gradient(100deg,var(--accent) 10%,#56b7ff 60%,var(--mint));-webkit-background-clip:text;background-clip:text;color:transparent;padding-right:.08em}
.char{display:inline-block;will-change:transform}
.hero-row{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;flex-wrap:wrap;max-width:880px}
.hero-lead{max-width:430px;font-size:17px;color:var(--ink-2);margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.glass{background:rgba(255,255,255,.42);backdrop-filter:blur(22px) saturate(1.3);-webkit-backdrop-filter:blur(22px) saturate(1.3);border:1px solid rgba(255,255,255,.75);box-shadow:0 30px 60px rgba(6,20,42,.08),inset 0 1px 0 rgba(255,255,255,.8)}
.hero-panel{position:absolute;right:var(--gutter);bottom:0;width:260px;padding:24px;border-radius:24px}
.hero-panel-top{display:flex;justify-content:space-between;align-items:flex-start;font-size:21px;font-weight:600;letter-spacing:-.03em;line-height:1.1;color:var(--ink);margin-bottom:12px}
.hero-panel-top svg{width:44px;height:44px;padding:9px;border-radius:50%;background:#fff;color:var(--ink)}
.hero-panel p{font-size:14px;color:var(--muted)}
.range{display:flex;justify-content:space-between;font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--muted);margin-top:22px}
.range-track{height:3px;border-radius:3px;background:rgba(6,20,42,.08);margin-top:10px;overflow:hidden}
.range-track i{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--accent-2),var(--accent));transform-origin:left;animation:range 4.5s var(--ease) infinite alternate}
@keyframes range{from{transform:scaleX(.08)}to{transform:scaleX(1)}}
.hero-bottom{position:relative;display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-top:40px;padding-top:26px;border-top:1px solid rgba(6,20,42,.12);width:calc(100% - 2*var(--gutter));padding-left:0;padding-right:0}
.hero-stats{display:flex;gap:clamp(24px,5vw,80px);flex-wrap:wrap}
.hero-stats div{display:flex;align-items:center;gap:14px}
.hero-stats strong{font-size:clamp(40px,4.6vw,68px);font-weight:300;letter-spacing:-.05em;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.hero-stats span{font-size:12.5px;line-height:1.35;color:var(--muted)}
.scroll-cue{display:flex;flex-direction:column;align-items:center;gap:10px;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.scroll-cue i{width:1px;height:54px;background:rgba(6,20,42,.15);position:relative;overflow:hidden}
.scroll-cue i::after{content:"";position:absolute;left:0;top:0;width:100%;height:40%;background:var(--ink);animation:cue 2s var(--ease) infinite}
@keyframes cue{from{transform:translateY(-100%)}to{transform:translateY(260%)}}

/* ---------- Clients marquee ---------- */
.clients{padding:clamp(80px,10vw,130px) 0 clamp(60px,8vw,100px);background:var(--bg)}
.clients-head{display:grid;gap:4px;margin-bottom:54px}
.clients-head h2{font-size:clamp(26px,3.3vw,46px);font-weight:500;max-width:980px;letter-spacing:-.035em;line-height:1.12}
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee-track{display:flex;gap:22px;width:max-content;will-change:transform}
.client{display:flex;align-items:center;gap:18px;padding:14px 26px 14px 14px;border-radius:20px;background:var(--paper);border:1px solid var(--line);transition:transform .5s var(--ease),box-shadow .5s}
.client:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(6,20,42,.08)}
.client img{width:150px;height:68px;object-fit:contain;border-radius:10px;filter:grayscale(1) contrast(1.05);opacity:.75;transition:filter .5s,opacity .5s}
.client:hover img{filter:none;opacity:1}
.client span{display:grid;font-weight:600;font-size:15px;color:var(--ink);line-height:1.25}
.client small{font-size:10.5px;letter-spacing:.12em;color:var(--muted);font-weight:700}

/* ---------- Process (pinned canvas) ---------- */
.process{position:relative;background:var(--dark);color:#fff;overflow:hidden}
.process::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 60% at 75% 50%,rgba(47,109,246,.22),transparent 70%),radial-gradient(40% 50% at 10% 90%,rgba(95,227,192,.10),transparent 70%);pointer-events:none}
.process-pin{min-height:100vh;display:flex;align-items:center;padding:110px 0 70px}
.process-grid{position:relative;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(30px,5vw,80px);align-items:center}
.process h2{color:#fff;font-size:clamp(40px,5vw,76px);margin-bottom:36px}
.process h2 em{color:var(--accent-2)}
.stages{list-style:none;padding:0;margin:0;display:grid;gap:4px}
.stage{display:grid;grid-template-columns:44px 1fr;gap:10px;padding:16px 18px;border-radius:18px;border:1px solid transparent;opacity:.38;transition:opacity .5s,background .5s,border-color .5s}
.stage span{font-size:13px;font-weight:700;color:var(--accent-2);padding-top:3px}
.stage h3{color:#fff;font-size:20px;margin-bottom:4px}
.stage p{font-size:14px;color:rgba(255,255,255,.62);margin:0;max-height:0;overflow:hidden;transition:max-height .6s var(--ease),margin .6s}
.stage b{display:inline-block;font-size:11px;letter-spacing:.14em;color:var(--mint);margin-top:0;max-height:0;overflow:hidden;transition:max-height .6s var(--ease),margin .6s}
.stage.is-active{opacity:1;background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.08)}
.stage.is-active p{max-height:90px;margin-top:4px}
.stage.is-active b{max-height:20px;margin-top:10px}
.process-visual{position:relative;aspect-ratio:1.1/1;border-radius:28px;overflow:hidden;background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.01));border:1px solid rgba(255,255,255,.08)}
.flow-canvas{position:absolute;inset:0;width:100%;height:100%}
.glass-dark{background:rgba(5,14,29,.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.1)}
.flow-labels span{position:absolute;translate:-50% 0;white-space:nowrap}
.flow-readout{position:absolute;left:20px;top:20px;padding:14px 16px;border-radius:18px;min-width:170px;z-index:1}
.flow-readout em{display:block;font-family:var(--font);font-style:normal;font-size:10px;color:rgba(255,255,255,.4);margin-top:6px;letter-spacing:.06em}
.flow-readout span{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.flow-readout strong{font-size:44px;font-weight:300;letter-spacing:-.05em;font-variant-numeric:tabular-nums}
.flow-readout small{font-size:16px;opacity:.6;margin-left:4px}
.flow-bar{height:3px;background:rgba(255,255,255,.1);border-radius:3px;margin-top:6px;overflow:hidden}
.flow-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--mint),var(--accent-2));transform-origin:left}
.flow-labels{position:absolute;inset:auto 0 18px 0;height:14px;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;text-align:center;color:rgba(255,255,255,.45)}

/* ---------- Section head ---------- */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:clamp(40px,6vw,80px);flex-wrap:wrap}
.section-head>p{max-width:420px;color:var(--muted);margin:0}
.section-head h2 em{color:var(--accent)}

/* ---------- Products ---------- */
.tabs{position:relative;display:inline-flex;flex-wrap:wrap;gap:4px;padding:6px;border-radius:999px;background:var(--paper);border:1px solid var(--line);margin-bottom:16px}
.tabs button{position:relative;z-index:1;padding:11px 20px;border-radius:999px;font-size:14px;font-weight:600;color:var(--muted);transition:color .4s}
.tabs button.active{color:#fff}
.tabs-pill{position:absolute;z-index:0;top:0;left:0;height:0;border-radius:999px;background:var(--ink);transition:transform .6s var(--ease),width .6s var(--ease),height .6s var(--ease)}
.result-count{font-size:13px;color:var(--muted);margin:10px 0 30px}
.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:50px}
.card{position:relative;display:flex;flex-direction:column;border-radius:var(--radius);background:var(--paper);border:1px solid var(--line);overflow:hidden;transform-style:preserve-3d;transition:box-shadow .6s var(--ease),border-color .6s}
.card:hover{box-shadow:0 40px 80px -30px rgba(6,20,42,.3);border-color:transparent}
.card-img{position:relative;aspect-ratio:1/1;background:linear-gradient(160deg,#f6f9fc,#e6edf5);overflow:hidden}
.card-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:10%;mix-blend-mode:multiply;transition:transform 1s var(--ease)}
.card:hover .card-img img{transform:scale(1.08)}
.card-img::after{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at var(--mx,50%) var(--my,50%),rgba(111,214,255,.25),transparent 45%);opacity:0;transition:opacity .4s}
.card:hover .card-img::after{opacity:1}
.card-tag{position:absolute;left:14px;top:14px;z-index:1;font-size:10.5px;font-weight:700;letter-spacing:.12em;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.85);color:var(--ink);backdrop-filter:blur(6px)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:19px;margin-bottom:8px}
.card-body p{font-size:14px;color:var(--muted);margin:0 0 18px}
.card-go{margin-top:auto;display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:700;color:var(--ink);padding-top:14px;border-top:1px solid var(--line)}
.card-go i{font-style:normal;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--bg);transition:transform .5s var(--ease),background .4s,color .4s}
.card:hover .card-go i{background:var(--accent);color:#fff;transform:rotate(45deg)}

/* ---------- Custom stack ---------- */
.custom{background:var(--paper);border-radius:40px 40px 0 0}
.custom-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,100px);align-items:start}
.custom-intro{position:sticky;top:130px}
.custom-intro h2 em{color:var(--accent)}
.custom-intro>p{color:var(--muted);max-width:480px;margin-top:26px}
.custom-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin:30px 0 18px}
.note{font-size:13px;color:var(--muted)}
.stack{display:grid;gap:22px}
.stack-card{position:sticky;top:130px;min-height:360px;padding:38px;border-radius:28px;background:var(--bg);border:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden;transform-origin:center top}
.stack-card:nth-child(2){top:150px;background:#e4ecf6}
.stack-card:nth-child(3){top:170px;background:var(--ink);color:#fff}
.stack-card:nth-child(3) h3{color:#fff}.stack-card:nth-child(3) .eyebrow,.stack-card:nth-child(3) p{color:rgba(255,255,255,.66)}
.stack-num{font-size:120px;font-weight:200;letter-spacing:-.06em;line-height:.8;opacity:.1;position:absolute;right:28px;top:26px}
.stack-card h3{font-size:clamp(26px,2.6vw,36px);letter-spacing:-.035em;margin-bottom:16px}
.stack-card p{max-width:400px;color:var(--muted)}
.stack-icon{width:64px;height:64px;margin-top:auto;color:var(--accent)}
.stack-card:nth-child(3) .stack-icon{color:var(--accent-2)}

/* ---------- Industries horizontal ---------- */
.industries{background:var(--dark);color:#fff;overflow:hidden}
.h-pin{height:100vh;display:flex;align-items:center}
.h-track{display:flex;gap:26px;padding:0 var(--gutter);will-change:transform}
.h-panel{flex:0 0 auto}
.h-intro{width:min(560px,82vw);padding-right:40px;display:flex;flex-direction:column;justify-content:center}
.h-intro h2{color:#fff;margin-bottom:26px}
.h-intro h2 em{color:var(--accent-2)}
.h-intro p{color:rgba(255,255,255,.65);max-width:420px}
.h-hint{margin-top:26px;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--mint)}
.h-hint i{font-style:normal;display:inline-block;animation:nudge 1.6s var(--ease) infinite}
@keyframes nudge{50%{transform:translateX(8px)}}
.h-card{position:relative;width:min(460px,80vw);height:min(68vh,600px);border-radius:28px;overflow:hidden;background:#0d1a30}
.h-img{position:absolute;inset:0}
.h-img img{width:120%;height:100%;object-fit:cover;max-width:none;margin-left:-10%;filter:saturate(.85)}
.h-card::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,14,29,.92) 0%,rgba(5,14,29,.2) 55%,rgba(5,14,29,0))}
.h-copy{position:absolute;z-index:1;left:28px;right:28px;bottom:28px}
.h-copy span{font-size:13px;font-weight:700;color:var(--accent-2)}
.h-copy h3{color:#fff;font-size:clamp(26px,2.6vw,34px);letter-spacing:-.035em;margin:10px 0 12px}
.h-copy p{color:rgba(255,255,255,.7);font-size:14.5px;margin:0}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(40px,7vw,120px);align-items:center}
.about-media{position:relative;aspect-ratio:1/1.08}
.about-img{position:absolute;margin:0;border-radius:28px;overflow:hidden;background:var(--ice)}
.about-img img{width:100%;height:118%;object-fit:cover}
.about-img-a{left:0;top:0;width:78%;height:74%}
.about-img-b{right:0;bottom:0;width:52%;height:48%;border:8px solid var(--bg);border-radius:34px}
.about-badge{position:absolute;left:8%;bottom:6%;width:124px;height:124px;border-radius:50%;background:var(--ink);display:grid;place-items:center}
.about-badge svg{position:absolute;inset:0;width:100%;height:100%;animation:spin 18s linear infinite}
.about-badge text{fill:#fff;font-size:10.5px;font-weight:700;letter-spacing:.2em}
.about-badge img{width:36px;height:36px;object-fit:contain}
@keyframes spin{to{transform:rotate(360deg)}}
.about-copy h2 em{color:var(--accent)}
.about-copy h2{margin-bottom:30px}
.about-copy>p{color:var(--muted)}
.adv{list-style:none;padding:0;margin:34px 0 0;display:grid;border-top:1px solid var(--line)}
.about-more{margin-top:32px}
.adv li{display:grid;grid-template-columns:230px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.adv b{color:var(--ink);font-size:15px}
.adv span{font-size:14.5px;color:var(--muted)}

/* ---------- Projects gallery ---------- */
.projects{background:var(--paper)}
.projects .section-head h2 em{color:var(--accent)}
.gallery{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:clamp(90px,9vw,130px);gap:16px}
.g-item{position:relative;margin:0;border-radius:22px;overflow:hidden;background:var(--ice);cursor:zoom-in}
.g-item img{position:absolute;inset:-8% 0;width:100%;height:116%;object-fit:cover;transition:transform 1.1s var(--ease)}
.g-item:hover img{transform:scale(1.06)}
.g-item figcaption{position:absolute;left:14px;bottom:14px;right:14px;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;border-radius:14px;background:rgba(255,255,255,.82);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);font-size:13px;font-weight:600;color:var(--ink);transform:translateY(12px);opacity:0;transition:transform .6s var(--ease),opacity .5s}
.g-item figcaption small{font-size:10.5px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
.g-item:hover figcaption,.g-item:focus-visible figcaption{transform:none;opacity:1}
/* rows: 7+5 | 4+4+4 | 5+3+4 | 6+6 */
.g-item:nth-child(1){grid-column:span 7;grid-row:span 4}
.g-item:nth-child(2){grid-column:span 5;grid-row:span 4}
.g-item:nth-child(3),.g-item:nth-child(4),.g-item:nth-child(5){grid-column:span 4;grid-row:span 3}
.g-item:nth-child(6){grid-column:span 5;grid-row:span 4}
.g-item:nth-child(7){grid-column:span 3;grid-row:span 4}
.g-item:nth-child(8){grid-column:span 4;grid-row:span 4}
.g-item:nth-child(9),.g-item:nth-child(10){grid-column:span 6;grid-row:span 3}

/* ---------- Services ---------- */
.services .section-head h2 em{color:var(--accent)}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service{position:relative;padding:34px 30px 38px;border-radius:26px;background:var(--paper);border:1px solid var(--line);overflow:hidden;isolation:isolate;min-height:300px;display:flex;flex-direction:column}
.spot::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(47,109,246,.12),transparent 45%);opacity:0;transition:opacity .4s}
.spot:hover::before{opacity:1}
.service-num{font-size:14px;font-weight:700;color:var(--accent)}
.service h3{font-size:26px;margin:auto 0 12px;padding-top:70px}
.service p{color:var(--muted);font-size:15px;margin:0}
.service-line{position:absolute;left:30px;right:30px;bottom:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transform:scaleX(0);transform-origin:left;transition:transform .8s var(--ease)}
.service:hover .service-line{transform:scaleX(1)}
.value-band{margin-top:clamp(80px,10vw,140px);display:grid;justify-items:start;gap:40px}
.big-quote{font-size:clamp(30px,4.2vw,64px);font-weight:500;letter-spacing:-.045em;line-height:1.08;color:var(--ink);max-width:1150px;margin:0}
.word{display:inline-block}

/* ---------- Certificates ---------- */
.certs{overflow:hidden}
.certs .section-head h2 em{color:var(--accent)}
.cert-row{display:flex;gap:22px;padding:10px var(--gutter) 30px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;cursor:grab}
.cert-row::-webkit-scrollbar{display:none}
.cert-row.is-drag{cursor:grabbing;scroll-snap-type:none}
.cert{flex:0 0 auto;width:clamp(260px,30vw,420px);scroll-snap-align:start;perspective:900px}
.cert-card{display:block;width:100%;text-align:left;border-radius:22px;background:var(--paper);border:1px solid var(--line);padding:14px;transition:transform .6s var(--ease),box-shadow .6s;transform-style:preserve-3d}
.cert-card:hover{box-shadow:0 30px 60px -20px rgba(6,20,42,.25)}
.cert-card .cert-img{aspect-ratio:1.42/1;border-radius:14px;overflow:hidden;background:#f4f6f9}
.cert-card img{width:100%;height:100%;object-fit:contain;pointer-events:none}
.cert-card h3{font-size:16px;margin:16px 6px 4px}
.cert-card p{font-size:12.5px;color:var(--muted);margin:0 6px 6px}

/* ---------- News teaser ---------- */
.teaser-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.teaser{position:relative;display:flex;flex-direction:column;min-height:300px;padding:28px;border-radius:24px;background:var(--paper);border:1px solid var(--line);overflow:hidden;isolation:isolate;transition:transform .6s var(--ease),color .5s}
.teaser::after{content:"";position:absolute;inset:0;z-index:-1;background:var(--ink);clip-path:circle(0% at 100% 100%);transition:clip-path .8s var(--ease)}
.teaser:hover::after{clip-path:circle(150% at 100% 100%)}
.teaser:hover,.teaser:hover h3{color:#fff}
.teaser:hover p,.teaser:hover .teaser-meta{color:rgba(255,255,255,.65)}
.teaser-meta{display:flex;justify-content:space-between;font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);transition:color .5s}
.teaser h3{font-size:24px;margin:auto 0 12px;padding-top:50px;transition:color .5s}
.teaser p{font-size:14px;color:var(--muted);margin:0;transition:color .5s}

/* ---------- Contact ---------- */
.contact{background:var(--dark);color:#fff;border-radius:40px 40px 0 0;position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;width:900px;height:900px;right:-300px;top:-300px;border-radius:50%;background:radial-gradient(circle,rgba(47,109,246,.35),transparent 60%);filter:blur(20px);animation:float 14s ease-in-out infinite alternate;pointer-events:none}
@keyframes float{to{transform:translate(-160px,120px) scale(1.15)}}
.contact-grid{position:relative;display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(40px,6vw,100px);align-items:start}
.contact h2{color:#fff;margin-bottom:28px}
.contact h2 em{color:var(--accent-2)}
.contact-copy>p{color:rgba(255,255,255,.66);max-width:470px}
.contact-list{margin-top:40px;display:grid;border-top:1px solid rgba(255,255,255,.1)}
.contact-list a,.contact-list p{display:grid;gap:2px;padding:16px 0;margin:0;border-bottom:1px solid rgba(255,255,255,.1);font-size:18px;font-weight:500;transition:padding .5s var(--ease),color .3s}
.contact-list a:hover{padding-left:12px;color:var(--accent-2)}
.contact-list small{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.45);font-weight:700}
.contact-list p{font-size:15px;color:rgba(255,255,255,.75)}
.form{padding:clamp(24px,3vw,40px);border-radius:30px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:grid;gap:14px}
.form h3{color:#fff;font-size:26px;margin-bottom:10px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{position:relative;display:block}
.field input,.field textarea,.field select{width:100%;font:inherit;font-size:15px;color:#fff;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:24px 16px 10px;outline:none;transition:border-color .3s,background .3s;resize:vertical}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,#fff 50%),linear-gradient(135deg,#fff 50%,transparent 50%);background-position:calc(100% - 22px) 55%,calc(100% - 16px) 55%;background-size:6px 6px;background-repeat:no-repeat}
.field select option{color:var(--ink)}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent-2);background:rgba(255,255,255,.07)}
.field span{position:absolute;left:17px;top:17px;font-size:15px;color:rgba(255,255,255,.5);pointer-events:none;transition:transform .35s var(--ease),font-size .35s var(--ease),color .3s;transform-origin:left top}
.field input:focus+span,.field input:not(:placeholder-shown)+span,.field textarea:focus+span,.field textarea:not(:placeholder-shown)+span,.field.select span{transform:translateY(-10px);font-size:11px;letter-spacing:.06em;color:var(--accent-2)}
.field.is-invalid input,.field.is-invalid textarea{border-color:#ff7a7a}
.form .btn{justify-self:start;margin-top:8px}
.form-note{font-size:12.5px;color:rgba(255,255,255,.45);margin:0}
#form-status{font-size:14px;color:var(--mint);margin:0}

/* ---------- Footer ---------- */
.footer{background:var(--dark);color:#fff;padding-top:40px;overflow:hidden}
.footer-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-top:50px;border-top:1px solid rgba(255,255,255,.08)}
.footer-lead{font-size:clamp(22px,2.4vw,32px);font-weight:500;letter-spacing:-.03em;line-height:1.2;margin:0}
.footer-nav{display:grid;grid-template-columns:repeat(2,auto);gap:10px 50px;align-content:start;font-size:15px}
.footer-nav a{color:rgba(255,255,255,.7);transition:color .3s}
.footer-nav a:hover{color:#fff}
.footer-word{display:flex;justify-content:space-between;padding:0 var(--gutter);margin-top:40px;font-size:clamp(90px,23vw,380px);font-weight:700;letter-spacing:-.06em;line-height:.8;background:linear-gradient(180deg,rgba(255,255,255,.95),rgba(255,255,255,.06));-webkit-background-clip:text;background-clip:text;color:transparent;overflow:hidden}
.footer-word span{display:inline-block}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:26px;padding-bottom:30px;font-size:13px;color:rgba(255,255,255,.45)}

/* ---------- Lightbox ---------- */
.lightbox{width:min(1100px,94vw);max-height:92vh;padding:0;border:0;border-radius:24px;background:transparent;overflow:visible}
.lightbox::backdrop{background:rgba(5,14,29,.86);backdrop-filter:blur(8px)}
.lightbox figure{margin:0;display:grid;gap:14px;justify-items:center}
.lightbox img{max-height:80vh;width:auto;border-radius:18px;background:#fff}
.lightbox figcaption{color:#fff;font-weight:600}
.lightbox-close{position:fixed;right:20px;top:20px;width:48px;height:48px;border-radius:50%;background:#fff;color:var(--ink);font-size:26px;line-height:1}
.lightbox-nav{position:fixed;top:50%;translate:0 -50%;width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font-size:20px}
.lightbox-nav:hover{background:#fff;color:var(--ink)}
.lightbox-nav.prev{left:20px}.lightbox-nav.next{right:20px}
body.modal-open{overflow:hidden}

/* ==========================================================
   Sub pages (product / customer / news)
   ========================================================== */
body.detail-mode #home-main,body.detail-mode .footer{display:none}
.page{padding:130px 0 0;min-height:100vh}
.back{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--muted);margin-bottom:34px;transition:gap .4s var(--ease),color .3s}
.back:hover{gap:14px;color:var(--ink)}
.article .back,.news-head+.back{display:flex;width:max-content}
.article .date{margin-top:8px}
.pd-hero{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(30px,5vw,80px);align-items:center;margin-bottom:60px}
.pd-photo{position:relative;aspect-ratio:1/1;border-radius:32px;background:linear-gradient(160deg,#fff,#e2eaf4);overflow:hidden;cursor:zoom-in;display:block;width:100%}
.pd-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:9%;mix-blend-mode:multiply}
.pd-photo span{position:absolute;right:16px;bottom:16px;font-size:12px;font-weight:700;padding:8px 12px;border-radius:999px;background:#fff;color:var(--ink)}
.pd-hero h1{font-size:clamp(40px,5vw,76px);margin-bottom:22px}
.pd-lead{font-size:20px;color:var(--ink-2);letter-spacing:-.01em}
.pd-hero p{color:var(--muted)}
.pd-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 16px}
.pd-small{font-size:13px}
.pd-tabs{position:sticky;top:96px;z-index:5;display:flex;gap:6px;padding:6px;margin-bottom:40px;border-radius:999px;background:rgba(255,255,255,.8);backdrop-filter:blur(12px);border:1px solid var(--line);width:max-content;max-width:100%;overflow-x:auto}
.pd-tabs a{padding:10px 18px;border-radius:999px;font-size:14px;font-weight:600;white-space:nowrap;transition:background .3s,color .3s}
.pd-tabs a:hover{background:var(--ink);color:#fff}
.pd-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:50px;align-items:start}
.pd-section{padding:40px 0;border-top:1px solid var(--line)}
.pd-section h2{font-size:clamp(30px,3.4vw,46px);margin-bottom:26px}
.pd-para{display:grid;grid-template-columns:220px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.pd-para h3{font-size:17px}
.pd-para p{margin:0;color:var(--muted)}
.note-sm{font-size:13px;color:var(--muted)}
.pd-intro-text{font-size:17px;color:var(--ink-2);max-width:760px}
.pd-sub{font-size:19px;margin:34px 0 14px}
.pd-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin:28px 0 8px;border-radius:18px;overflow:hidden;background:var(--line);border:1px solid var(--line)}
.pd-facts div{background:var(--paper);padding:14px 18px}
.pd-facts dt{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.pd-facts dd{margin:0;font-weight:600;color:var(--ink);font-size:15px}
.pd-apps{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.pd-apps li{position:relative;padding:12px 16px 12px 40px;border-radius:14px;background:var(--paper);border:1px solid var(--line);font-size:15px}
.pd-apps li::before{content:"";position:absolute;left:16px;top:50%;width:10px;height:10px;margin-top:-5px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2))}
.pd-step{display:grid;grid-template-columns:48px 1fr;gap:14px;padding:20px 0;border-bottom:1px solid var(--line)}
.pd-step>span{font-size:13px;font-weight:700;color:var(--accent);padding-top:3px}
.pd-step h3{font-size:18px;margin-bottom:6px}
.pd-step p{margin:0;color:var(--muted)}
.pd-faq{display:grid;gap:10px}
.pd-faq details{border-radius:16px;background:var(--paper);border:1px solid var(--line);overflow:hidden;transition:box-shadow .4s}
.pd-faq details[open]{box-shadow:0 20px 40px -24px rgba(6,20,42,.25)}
.pd-faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 20px;font-weight:600;color:var(--ink);font-size:16px}
.pd-faq summary::-webkit-details-marker{display:none}
.pd-faq summary i{font-style:normal;flex:0 0 auto;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--bg);transition:transform .4s var(--ease),background .3s,color .3s}
.pd-faq details[open] summary i{transform:rotate(45deg);background:var(--ink);color:#fff}
.pd-faq details p{margin:0;padding:0 20px 20px;color:var(--muted)}
@media (max-width:640px){.pd-facts{grid-template-columns:1fr}}
.spec{overflow-x:auto;margin:20px 0;border-radius:18px;border:1px solid var(--line);background:var(--paper)}
.spec table{border-collapse:collapse;width:100%;min-width:640px;font-size:13.5px;font-variant-numeric:tabular-nums}
.spec caption{text-align:left;padding:16px 18px;font-weight:700;color:var(--ink);font-size:15px;border-bottom:1px solid var(--line)}
.spec th,.spec td{border:1px solid var(--line);padding:10px 12px;text-align:center}
.spec th{background:#f3f6fa;color:var(--ink);font-weight:700}
.spec tr:hover td{background:#f7faff}
.spec-missing{padding:26px;border-radius:18px;background:var(--paper);border:1px dashed var(--line)}
.pd-aside{position:sticky;top:170px;padding:30px;border-radius:26px;background:var(--ink);color:#fff;display:grid;gap:12px}
.pd-aside h3{color:#fff;font-size:24px}
.pd-aside p{color:rgba(255,255,255,.65);font-size:14.5px;margin:0 0 8px}
.pd-aside a{padding:12px 0;border-top:1px solid rgba(255,255,255,.12);font-weight:600;transition:color .3s,padding .4s var(--ease)}
.pd-aside a:hover{color:var(--accent-2);padding-left:6px}
.pd-custom{margin:60px 0;padding:clamp(30px,5vw,60px);border-radius:32px;background:linear-gradient(120deg,#dde8f6,#f4f8fc);display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap}
.pd-custom h2{font-size:clamp(30px,3.6vw,52px);margin-bottom:14px}
.pd-custom h2 em{color:var(--accent)}
.pd-custom p{max-width:520px;color:var(--muted);margin:0}
.related h2{font-size:clamp(28px,3vw,42px);margin-bottom:26px}
.related .product-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.source-link{display:inline-block;margin-top:14px;font-size:13px;font-weight:600;color:var(--accent)}
.page-foot{margin-top:80px;background:var(--dark);color:rgba(255,255,255,.7);padding:34px 0;font-size:14px}
.page-foot .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.page-foot a{color:#fff;font-weight:600}
.cust-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;margin-bottom:40px}
.cust-grid h1{font-size:clamp(44px,6vw,92px);margin-bottom:24px}
.cust-logo{padding:40px;border-radius:32px;background:#fff;border:1px solid var(--line)}
.cust-logo img{width:100%;object-fit:contain}
/* news */
.news-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;margin-bottom:40px}
.news-head h1{font-size:clamp(50px,8vw,130px);letter-spacing:-.06em}
.news-head h1 em{color:var(--accent)}
.news-head p{max-width:380px;color:var(--muted);margin:0}
.news-filters{display:inline-flex;gap:4px;padding:6px;border-radius:999px;background:var(--paper);border:1px solid var(--line);margin-bottom:14px;flex-wrap:wrap}
.news-filters button{padding:10px 18px;border-radius:999px;font-size:14px;font-weight:600;color:var(--muted);transition:background .3s,color .3s}
.news-filters button[aria-pressed="true"]{background:var(--ink);color:#fff}
.news-list{display:grid;border-top:1px solid var(--line);margin-top:20px}
.news-row{position:relative;display:grid;grid-template-columns:80px 1fr 1fr 60px;gap:24px;align-items:center;padding:30px 0;border-bottom:1px solid var(--line);isolation:isolate}
.news-row::before{content:"";position:absolute;inset:0 calc(-1*var(--gutter));z-index:-1;background:var(--paper);transform:scaleY(0);transform-origin:bottom;transition:transform .6s var(--ease)}
.news-row:hover::before{transform:scaleY(1)}
.news-row .n{font-size:14px;font-weight:700;color:var(--accent)}
.news-row h2{font-size:clamp(22px,2.4vw,32px);letter-spacing:-.03em}
.news-row p{margin:0;color:var(--muted);font-size:14.5px}
.news-row small{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:8px}
.news-row i{font-style:normal;width:50px;height:50px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);transition:background .4s,color .4s,transform .5s var(--ease)}
.news-row:hover i{background:var(--ink);color:#fff;transform:rotate(45deg)}
.article{max-width:820px;min-width:0}
.art-layout{display:grid;grid-template-columns:minmax(0,820px);gap:64px;align-items:start;justify-content:center}
.art-aside{display:none}
@media (min-width:1180px){
  .art-layout{grid-template-columns:minmax(0,820px) 300px}
  .art-aside{display:block;align-self:stretch;padding-top:140px}
  .art-aside-inner{position:sticky;top:110px;display:grid;gap:18px;max-height:calc(100vh - 130px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}
}
.art-toc{padding:22px 24px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.6)}
.art-toc .eyebrow{margin-bottom:12px}
.art-toc ol{margin:0;padding-left:20px;display:grid;gap:8px;font-size:14px;line-height:1.45;color:var(--muted)}
.art-toc a{color:var(--ink-2);transition:color .2s}
.art-toc a:hover,.art-toc a.is-active{color:var(--accent)}
.art-toc a.is-active{font-weight:700}
.art-ask{display:grid;gap:10px;padding:24px;border-radius:20px;background:linear-gradient(140deg,#e3ecf8,#f7faff);border:1px solid var(--line)}
.art-ask .eyebrow{margin:0 0 4px}
.art-ask h3{font-size:20px;color:var(--ink);line-height:1.3}
.art-ask p{font-size:14px;color:var(--muted);margin:0 0 6px;line-height:1.6}
.art-ask a{padding:11px 0;border-top:1px solid var(--line);font-weight:600;color:var(--ink-2);transition:color .3s,padding .4s var(--ease)}
.art-ask a:hover{color:var(--accent);padding-left:6px}
.article section[id]{scroll-margin-top:110px}
.article h1{font-size:clamp(40px,5.4vw,78px);margin-bottom:20px}
.article .date{font-size:13px;color:var(--muted);font-weight:600}
.article .lead{font-size:22px;color:var(--ink-2);letter-spacing:-.015em;margin:30px 0}
.article section{padding:26px 0;border-top:1px solid var(--line)}
.article section h2{font-size:26px;margin-bottom:12px}
.article section p{color:var(--muted);font-size:17px}
.takeaways{margin:10px 0 30px;padding:22px 24px;border-radius:18px;background:linear-gradient(120deg,#e3ecf8,#f4f8fc);border:1px solid var(--line)}
.takeaways .eyebrow{margin-bottom:10px}
.takeaways ul,.art-list{margin:0;padding-left:20px;display:grid;gap:8px}
.takeaways li{color:var(--ink-2);font-weight:500}
.art-list{margin:6px 0 14px}
.art-list li{color:var(--muted);font-size:16.5px}
.art-table table{min-width:520px}
.art-table td{text-align:left}
.art-table th{text-align:left}
.art-faq{border-top:1px solid var(--line);padding-top:30px;margin-top:10px}
.art-faq h2{font-size:26px;margin-bottom:16px}
.art-refs{border-top:1px solid var(--line);padding-top:30px;margin-top:30px}
.art-refs h2{font-size:26px;margin-bottom:16px}
.art-refs ol{margin:0;padding-left:22px;display:grid;gap:10px;font-size:15px;color:var(--ink-2);line-height:1.55}
.art-refs a{color:var(--accent,#1d54d4);word-break:break-word}
/* company page (/about/) */
.ab-title{max-width:18ch}
.ab-title em{color:var(--accent)}
.ab-lead{display:grid;gap:14px;max-width:820px;margin:28px 0 48px}
.ab-lead .pd-lead{margin:0;line-height:1.6}
.ab-facts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;margin:0 0 48px;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:var(--line)}
.ab-facts div{background:#fff;padding:24px 22px}
.ab-facts dt{font-size:clamp(30px,3.4vw,46px);font-weight:700;color:var(--accent);line-height:1;letter-spacing:-.02em}
.ab-facts dd{margin:10px 0 0;font-size:14px;color:var(--muted);line-height:1.5}
.ab-photos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:0 0 30px}
.ab-photos figure{margin:0}
.ab-photos img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;display:block}
.ab-photos figcaption{font-size:13px;color:var(--muted);margin-top:10px}
.ab-block{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;padding:56px 0;border-top:1px solid var(--line)}
.ab-head h2{font-size:clamp(26px,2.8vw,38px);line-height:1.15;margin:0 0 16px}
.ab-head p:not(.eyebrow){color:var(--muted);margin:0;line-height:1.65}
.ab-items{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.ab-items li{display:grid;gap:8px;padding:20px 22px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.6)}
.ab-items b{font-size:16px;color:var(--ink);line-height:1.35}
.ab-items span{font-size:14px;color:var(--muted);line-height:1.6}
@media (max-width:900px){.ab-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.ab-block{grid-template-columns:1fr;gap:26px;padding:40px 0}}
@media (max-width:640px){.ab-photos{grid-template-columns:1fr}.ab-items{grid-template-columns:1fr}}
.art-related{margin-top:50px}
.art-related .product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.archive-note{font-size:13px;padding:12px 16px;border-radius:12px;background:var(--paper);border:1px solid var(--line);color:var(--muted)}
.article-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);font-weight:600}

/* ==========================================================
   Motion initial states (only when JS + motion enabled)
   ========================================================== */
.motion .reveal-up,.motion .stagger>*{opacity:0;transform:translateY(40px)}
.motion .hero-panel,.motion .hero-eyebrow,.motion .hero-lead,.motion .hero-actions,.motion .hero-bottom{opacity:0}

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width:1180px){
  .nav{display:none}
  .burger{display:block}
  .header-cta{display:none}
  .hero-panel{display:none}
  .hero-tag{display:none}
  .product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .related .product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:900px){
  .process-grid,.custom-grid,.about-grid,.contact-grid,.pd-hero,.pd-layout,.cust-grid{grid-template-columns:1fr}
  .process-pin{padding:100px 0 60px}
  .stage p,.stage b{max-height:none!important;margin-top:4px}
  .stage{opacity:1}
  .process-visual{aspect-ratio:1.2/1}
  .custom-intro{position:static}
  .stack-card{position:relative;top:auto!important;min-height:280px}
  .product-grid,.related .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .service-grid,.teaser-grid{grid-template-columns:1fr}
  .service h3{margin-top:40px}
  .service{min-height:0}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px}
  .g-item:nth-child(n){grid-column:span 1;grid-row:span 1}
  .g-item:nth-child(1),.g-item:nth-child(6){grid-column:span 2;grid-row:span 2}
  .g-item figcaption{opacity:1;transform:none;font-size:12px}
  .adv li,.pd-para{grid-template-columns:1fr;gap:4px}
  .pd-aside{position:static}
  .news-row{grid-template-columns:1fr;gap:10px}
  .news-row i{display:none}
  /* industries: vertical stack on small screens */
  .h-pin{height:auto;padding:100px 0}
  .h-track{flex-direction:column;gap:18px;width:100%}
  .h-intro,.h-card{width:100%}
  .h-card{height:420px}
  .h-hint{display:none}
}
@media (max-width:640px){
  body{font-size:15px}
  .site-header{top:10px;height:60px;padding:0 6px 0 12px}
  .brand img{width:34px;height:34px}
  .brand b{font-size:16px}
  .hero{padding-top:110px}
  .hero-canvas{opacity:.4}
  .hero-title{font-size:clamp(52px,16vw,80px)}
  .hero-row{gap:24px}
  .hero-stats{gap:20px}
  .hero-stats div{flex-direction:column;align-items:flex-start;gap:4px}
  .hero-stats strong{font-size:36px}
  .hero-stats div:nth-child(3){display:none}
  .scroll-cue{display:none}
  .btn{height:52px;font-size:14px}
  .tabs{display:flex;overflow-x:auto;flex-wrap:nowrap;border-radius:18px;scrollbar-width:none}
  .tabs button{white-space:nowrap;padding:10px 14px}
  .card-body{padding:14px}
  .card-body h3{font-size:15px}
  .card-body p{display:none}
  .card-tag{font-size:9px;left:8px;top:8px}
  .form-row{grid-template-columns:1fr}
  .stack-card{padding:28px}
  .client img{width:110px;height:50px}
  .flow-readout{left:12px;top:12px;min-width:0;padding:12px 14px}
  .flow-readout strong{font-size:26px}
  .flow-readout em,.flow-readout .flow-bar{display:none}
  .process-visual{aspect-ratio:1/1.05}
  .flow-labels{font-size:9px;letter-spacing:.06em}
  .footer-nav{grid-template-columns:1fr 1fr}
  .custom,.contact{border-radius:28px 28px 0 0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* ---------- Language switcher ---------- */
.lang{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;height:48px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--ink);background:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.8);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:background .3s}
.lang-btn:hover,.lang.is-open .lang-btn{background:#fff}
.lang-btn svg{width:16px;height:16px}
.lang-btn i{font-style:normal;font-size:10px;transition:transform .3s}
.lang.is-open .lang-btn i{transform:rotate(180deg)}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:170px;padding:6px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:0 20px 50px rgba(6,20,42,.14);display:grid;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .25s,transform .35s var(--ease),visibility 0s .35s}
.lang.is-open .lang-menu{opacity:1;visibility:visible;transform:none;transition:opacity .25s,transform .35s var(--ease)}
.lang-menu a{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-radius:10px;font-size:14px;font-weight:600;color:var(--ink-2)}
.lang-menu a:hover{background:var(--bg)}
.lang-menu a[aria-current="true"]{color:var(--accent)}
.lang-menu a[aria-current="true"]::after{content:"✓";font-size:12px}
.site-header.on-dark:not(.is-solid) .lang-btn{color:var(--ink)}
@media (max-width:640px){.lang-btn{height:44px;padding:0 11px}.lang-btn span{display:none}}

/* ---------- CJK typography ---------- */
:lang(zh-Hans){--font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif}
:lang(zh-Hant){--font:"PingFang TC","Microsoft JhengHei","Noto Sans TC","Source Han Sans TC",system-ui,sans-serif}
:lang(ja){--font:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic","Meiryo","Noto Sans JP",system-ui,sans-serif}
:lang(ko){--font:"Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",system-ui,sans-serif}
:is(:lang(zh-Hans),:lang(zh-Hant),:lang(ja),:lang(ko)) body{font-family:var(--font),"Manrope",sans-serif;line-height:1.75}
:is(:lang(zh-Hans),:lang(zh-Hant),:lang(ja),:lang(ko)) :is(h1,h2,h3){letter-spacing:.01em;line-height:1.2;font-weight:600}
:is(:lang(zh-Hans),:lang(zh-Hant),:lang(ja),:lang(ko)) em{font-family:inherit;font-style:normal;font-weight:600;letter-spacing:.01em}
:is(:lang(zh-Hans),:lang(zh-Hant),:lang(ja),:lang(ko)) .hero-title{line-height:1.08;letter-spacing:-.01em;font-weight:600}
:is(:lang(zh-Hans),:lang(zh-Hant),:lang(ja),:lang(ko)) .hero-title{font-size:clamp(46px,8vw,128px)}
:is(:lang(zh-Hans),:lang(zh-Hant),:lang(ja),:lang(ko)) .eyebrow{letter-spacing:.08em}
:is(:lang(zh-Hans),:lang(zh-Hant),:lang(ja),:lang(ko)) .big-quote{letter-spacing:0;line-height:1.3}
:is(:lang(zh-Hans),:lang(zh-Hant),:lang(ja),:lang(ko)) .menu nav a{letter-spacing:0}

/* Thai typography: allow room for combining vowels and tone marks. */
:lang(th){--font:"Noto Sans Thai","Thonburi","Leelawadee UI",Tahoma,system-ui,sans-serif}
:lang(th) body{line-height:1.8}
:lang(th) :is(h1,h2,h3){letter-spacing:0;line-height:1.4}
:lang(th) em{font-family:inherit;font-style:normal;letter-spacing:0}
:lang(th) .hero-title{font-size:clamp(38px,6.5vw,104px);line-height:1.4;letter-spacing:0}
:lang(th) .hero-title .line{padding-block:.12em}
:lang(th) :is(.eyebrow,.menu nav a,.big-quote){letter-spacing:0}
:lang(th) .big-quote{line-height:1.5}