@font-face{font-family:'Inter';src:url('fonts/Inter-Regular.woff?v=1') format('woff');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Inter';src:url('fonts/Inter-SemiBold.woff?v=1') format('woff');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Inter Display';src:url('fonts/InterDisplay-ExtraBold.woff?v=1') format('woff');font-weight:800;font-style:normal;font-display:swap}
@font-face{font-family:'Inter Display';src:url('fonts/InterDisplay-Black.woff?v=1') format('woff');font-weight:900;font-style:normal;font-display:swap}

:root{
  --paper:#ECEAE6;--paper-2:#E2DFDA;--wall:#FAF8F4;--panel:#D5D2CC;
  --ink:#15171A;--ink-2:#23272C;--muted:#5C6168;--line:rgba(21,23,26,.16);--line-2:rgba(21,23,26,.08);
  --blue:#2346FF;--blue-ink:#1A33C9;--fire:#E0312B;--exit:#1B9E4B;
  --display:'Inter Display','Inter',system-ui,sans-serif;--body:'Inter',system-ui,sans-serif;
  --gut:clamp(18px,4vw,64px);--ease:cubic-bezier(.22,.8,.18,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}
img,svg{display:block;max-width:100%}
a{color:inherit}
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2px solid var(--blue);outline-offset:4px;border-radius:4px}
h1,h2,h3{font-family:var(--display);font-weight:900;letter-spacing:-.03em;line-height:.95;margin:0;text-wrap:balance}
.tag{margin:0;font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:12px}
.tag::before{content:"";width:22px;height:1px;background:currentColor}
.tag.b{color:var(--blue-ink)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 14px;border-radius:6px;z-index:100}
.skip:focus{left:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;min-height:50px;padding:0 1.5em;border-radius:999px;font:600 15px/1 var(--body);letter-spacing:.01em;text-decoration:none;border:1.5px solid var(--ink);color:var(--ink);background:transparent;cursor:pointer;position:relative;overflow:hidden;isolation:isolate;transition:color .35s var(--ease)}
.btn::after{content:"";position:absolute;inset:0;z-index:-1;background:var(--ink);clip-path:inset(0 100% 0 0);transition:clip-path .45s var(--ease)}
.btn:hover{color:var(--paper)}
.btn:hover::after{clip-path:inset(0 0 0 0)}
.btn.solid{background:var(--ink);color:var(--paper)}
.btn.solid::after{background:var(--blue)}
.btn.solid:hover{color:#fff}
.btn.on-dark{border-color:rgba(255,255,255,.5);color:#fff}
.btn.on-dark::after{background:#fff}
.btn.on-dark:hover{color:var(--ink)}
.btn.blue{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.blue::after{background:#fff}
.btn.blue:hover{color:var(--ink)}
.btn .ar{transition:transform .35s var(--ease)}
.btn:hover .ar{transform:translateX(4px)}
.btn svg{width:17px;height:17px}

.btn.wa{border-color:#1F9D57;color:#13693A}
.btn.wa::after{background:#1F9D57}
.btn.wa:hover{color:#fff}
.btn.wa.on-dark{border-color:#3DD07F;color:#fff}
.btn.wa.on-dark::after{background:#3DD07F}
.btn.wa.on-dark:hover{color:var(--ink)}
.contact .facts a{color:#fff}

/* header */
.hdr{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px var(--gut);transition:background-color .35s,box-shadow .35s,padding .35s}
.hdr.solid{background:rgba(236,234,230,.9);backdrop-filter:blur(10px) saturate(1.2);box-shadow:0 1px 0 var(--line);padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand .mk{width:44px;height:44px}
.brand .wm{height:22px;width:auto}
.hdr nav{display:flex;align-items:center;gap:28px}
.hdr nav a.lk{font-size:14px;font-weight:600;text-decoration:none;position:relative}
.hdr nav a.lk::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1.5px;background:var(--blue);transform:scaleX(0);transform-origin:right;transition:transform .4s var(--ease)}
.hdr nav a.lk:hover::after{transform:scaleX(1);transform-origin:left}
.hdr .tel{font-weight:600;font-size:15px;text-decoration:none;font-variant-numeric:tabular-nums}
.burger{display:none;width:46px;height:46px;border-radius:50%;border:1.5px solid var(--ink);background:transparent;cursor:pointer;position:relative}
.burger i{position:absolute;left:13px;right:13px;height:1.5px;background:var(--ink);transition:transform .4s var(--ease),top .4s var(--ease)}
.burger i:first-child{top:18px}.burger i:last-child{top:26px}
.burger[aria-expanded="true"] i:first-child{top:22px;transform:rotate(45deg)}
.burger[aria-expanded="true"] i:last-child{top:22px;transform:rotate(-45deg)}
.menu{position:fixed;inset:0;z-index:35;background:var(--paper);padding:110px var(--gut) 32px;display:grid;grid-template-rows:1fr auto;opacity:0;visibility:hidden;transition:opacity .35s var(--ease),visibility 0s .35s}
.menu.open{opacity:1;visibility:visible;transition:opacity .35s var(--ease)}
.menu .ml{display:grid;align-content:start;gap:6px}
.menu .ml a{display:flex;align-items:baseline;gap:14px;font-family:var(--display);font-weight:900;font-size:clamp(34px,10vw,56px);letter-spacing:-.03em;line-height:1.05;text-decoration:none}
.menu .ml a small{font:600 12px/1 var(--body);letter-spacing:.18em;color:var(--blue-ink)}
.menu .mf{display:grid;gap:14px;justify-items:start}

/* sheet frame (hero) */
.hero{position:relative;min-height:max(100svh,720px);display:flex;align-items:center;padding:120px var(--gut) 110px;overflow:hidden}
.frame{position:absolute;inset:clamp(10px,1.6vw,22px);border:1px solid var(--line);pointer-events:none}
.frame::before{content:"";position:absolute;inset:26px;border:1px solid var(--line-2)}
.frame .cx,.frame .cy{position:absolute;display:flex;justify-content:space-around;font:600 10px/1 var(--body);letter-spacing:.18em;color:rgba(21,23,26,.42)}
.frame .cx{left:26px;right:26px;height:26px;align-items:center}
.frame .cx.t{top:0;visibility:hidden}.frame .cx.b{bottom:0}
.frame .cy{top:26px;bottom:26px;width:26px;flex-direction:column;align-items:center}
.frame .cy.l{left:0}.frame .cy.r{right:0}
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px);background-size:32px 32px;-webkit-mask-image:radial-gradient(120% 90% at 70% 40%,#000 35%,transparent 80%);mask-image:radial-gradient(120% 90% at 70% 40%,#000 35%,transparent 80%);pointer-events:none}
.hero-in{position:relative;z-index:2;width:100%;max-width:1400px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(24px,5vw,90px);align-items:center}
.hero h1{font-size:clamp(50px,7.3vw,126px);margin:26px 0 30px}
.hero h1 .ln{display:block;overflow:hidden;padding-bottom:.06em;margin-bottom:-.06em}
.hero h1 .ln>span{display:block;transform:translateY(105%);transition:transform 1.1s var(--ease)}
.ready .hero h1 .ln>span{transform:none}
.ready .hero h1 .ln:nth-child(2)>span{transition-delay:.09s}
.ready .hero h1 .ln:nth-child(3)>span{transition-delay:.18s}
.hero h1 .ln:nth-child(3){color:var(--blue)}
.hero .lede{margin:0 0 34px;font-size:clamp(17px,1.5vw,20px);color:var(--muted);max-width:44ch;opacity:0;transform:translateY(14px);transition:opacity 1s .35s var(--ease),transform 1s .35s var(--ease)}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;opacity:0;transform:translateY(14px);transition:opacity 1s .5s var(--ease),transform 1s .5s var(--ease)}
.ready .hero .lede,.ready .hero .cta{opacity:1;transform:none}

/* gear / mark plate */
.plate{position:relative;width:min(100%,560px);aspect-ratio:1;justify-self:center}
.plate .ring{position:absolute;inset:4%;border:1px dashed rgba(35,70,255,.55);border-radius:50%}
.plate .ch{position:absolute;background:rgba(35,70,255,.45)}
.plate .ch.h{left:-6%;right:-6%;top:50%;height:1px}
.plate .ch.v{top:-6%;bottom:-6%;left:50%;width:1px}
.plate .mark{position:absolute;inset:17%;filter:drop-shadow(0 30px 40px rgba(21,23,26,.22));will-change:transform}
.plate .mark img{width:100%;height:100%}
.plate .dia{position:absolute;right:-2%;top:9%;font:600 11px/1.3 var(--body);letter-spacing:.16em;color:var(--blue-ink);text-transform:uppercase;text-align:right}
.plate .dia b{display:block;font-family:var(--display);font-size:22px;letter-spacing:-.01em;color:var(--ink)}
.plate .lbl{position:absolute;left:-2%;bottom:6%;font:600 11px/1.4 var(--body);letter-spacing:.16em;color:var(--muted);text-transform:uppercase}
.tblock{position:absolute;right:calc(clamp(10px,1.6vw,22px) + 26px);bottom:calc(clamp(10px,1.6vw,22px) + 26px);z-index:2;display:grid;grid-template-columns:auto auto;border:1px solid var(--line);background:rgba(236,234,230,.7);font:600 10px/1.2 var(--body);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.tblock span{padding:8px 12px;border-left:1px solid var(--line);border-top:1px solid var(--line)}
.tblock span:nth-child(odd){border-left:0}
.tblock span:nth-child(-n+2){border-top:0}
.tblock b{color:var(--ink)}
.cue{position:absolute;left:50%;bottom:calc(clamp(10px,1.6vw,22px) + 40px);transform:translateX(-50%);z-index:2;display:grid;justify-items:center;gap:10px;font:600 10px/1 var(--body);letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
.cue i{width:1px;height:38px;background:linear-gradient(var(--blue),transparent);transform-origin:top;animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0)}55%{transform:scaleY(1);opacity:1}100%{transform:scaleY(1);opacity:0}}
.xhair{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:0;transition:opacity .3s}
.xhair.on{opacity:1}
.xhair .xh,.xhair .xv{position:absolute;background:rgba(35,70,255,.28)}
.xhair .xh{left:0;right:0;height:1px;top:0;transform:translateY(var(--cy,0))}
.xhair .xv{top:0;bottom:0;width:1px;left:0;transform:translateX(var(--cx,0))}
.xhair .xr{position:absolute;left:0;top:0;transform:translate(calc(var(--cx,0px) + 12px),calc(var(--cy,0px) + 12px));font:600 10px/1 var(--body);letter-spacing:.14em;color:var(--blue-ink);font-variant-numeric:tabular-nums;white-space:nowrap}

/* build sequence */
.build{position:relative;height:560vh;background:var(--paper);border-top:1px solid var(--line)}
.pin{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:clamp(20px,4vw,64px);align-items:center;padding:96px var(--gut) 110px}
.pin .grid-bg{-webkit-mask-image:radial-gradient(90% 80% at 68% 50%,#000 30%,transparent 78%);mask-image:radial-gradient(90% 80% at 68% 50%,#000 30%,transparent 78%)}
.st-head{position:absolute;left:var(--gut);top:96px;z-index:2}
.stages{position:relative;z-index:2;min-height:360px}
.stage{position:absolute;left:0;right:0;top:50%;transform:translateY(calc(-50% + 26px));opacity:0;visibility:hidden;transition:opacity .55s var(--ease),transform .7s var(--ease),visibility 0s .55s}
.stage.on{opacity:1;visibility:visible;transform:translateY(-50%);transition:opacity .55s var(--ease),transform .7s var(--ease),visibility 0s}
.stage .no{font-family:var(--display);font-weight:900;font-size:clamp(70px,8vw,128px);line-height:.8;color:transparent;-webkit-text-stroke:1.5px var(--blue);letter-spacing:-.04em}
.stage h2{font-size:clamp(38px,4.6vw,72px);margin:18px 0 16px}
.stage p{margin:0;color:var(--muted);max-width:40ch;font-size:clamp(16px,1.3vw,18px)}
.stage .k{display:inline-block;margin-bottom:10px;font:600 12px/1 var(--body);letter-spacing:.22em;text-transform:uppercase;color:var(--blue-ink)}
.stage .btn{margin-top:26px}
.drawing{position:relative;z-index:1;width:100%;max-height:calc(100svh - 230px);aspect-ratio:800/600;justify-self:center}
.drawing svg{width:100%;height:100%;overflow:visible}
.tape{position:absolute;left:var(--gut);right:var(--gut);bottom:34px;z-index:3;height:40px;border-radius:6px;background:var(--ink);overflow:hidden}
.tape .fill{position:absolute;left:0;top:0;bottom:0;width:100%;background:var(--blue);transform-origin:left;transform:scaleX(var(--p,0))}
.tape .ticks{position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(255,255,255,.55) 0 1px,transparent 1px 12px),repeating-linear-gradient(90deg,rgba(255,255,255,.85) 0 1.5px,transparent 1.5px 60px);-webkit-mask-image:linear-gradient(180deg,#000 0 38%,transparent 38%);mask-image:linear-gradient(180deg,#000 0 38%,transparent 38%)}
.tape .nums{position:absolute;inset:0;display:flex;justify-content:space-between;align-items:flex-end;padding:0 10px 6px;font:600 11px/1 var(--body);letter-spacing:.12em;color:#fff;text-transform:uppercase}
.tape .nums span{opacity:.6;transition:opacity .3s}
.tape .nums span.on{opacity:1}

/* drawing internals */
.bp{fill:none;stroke:var(--blue);stroke-width:1.6;stroke-dasharray:1;vector-effect:non-scaling-stroke}
.bp.thin{stroke-width:1}
.bp.dash{stroke-dasharray:6 6;stroke-opacity:.45}
.lines{stroke-dashoffset:var(--draw-off,1)}
.ax text,.dimt{font:600 13px var(--body);fill:var(--blue-ink)}
.ax,.dims{opacity:var(--draw,0)}
.fire{transition:opacity .6s var(--ease)}
.build[data-stage="3"] .fire,.build[data-stage="4"] .fire{opacity:0}
.dry{clip-path:inset(100% 0 0 0);transition:clip-path 1.1s var(--ease)}
.build[data-stage="1"] .dry,.build[data-stage="2"] .dry,.build[data-stage="3"] .dry,.build[data-stage="4"] .dry{clip-path:inset(0 0 0 0)}
.win{opacity:0;transform:translateY(26px);transition:opacity .6s var(--ease),transform .8s var(--ease);transform-box:fill-box}
.build[data-stage="2"] .win,.build[data-stage="3"] .win,.build[data-stage="4"] .win{opacity:1;transform:none}
.glass{fill:#C9D5F8;transition:fill .8s var(--ease)}
.build[data-stage="4"] .glass{fill:#FFD98C}
.glow{opacity:0;transition:opacity 1s var(--ease)}
.build[data-stage="4"] .glow{opacity:.85}
.roller{opacity:0;transition:opacity .3s}
.build[data-stage="3"] .roller{opacity:1}
.stamp{opacity:0;transform:scale(1.8) rotate(-24deg);transform-box:fill-box;transform-origin:center;transition:opacity .35s var(--ease),transform .55s cubic-bezier(.3,1.6,.4,1)}
.build[data-stage="4"] .stamp{opacity:1;transform:rotate(-8deg)}

.build.static{height:auto}
.build.static .pin{position:relative;height:auto;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}
.build.static .stages{min-height:0}
.build.static .stage{position:static;opacity:1;visibility:visible;transform:none;margin-bottom:34px}
.build.static .tape{display:none}

/* services */
.sec{position:relative;padding:clamp(80px,11vw,150px) var(--gut)}
.sec-in{max-width:1400px;margin:0 auto}
.sec-h{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,.6fr);gap:30px;align-items:end;margin-bottom:clamp(36px,5vw,64px)}
.sec-h h2{font-size:clamp(42px,5.4vw,88px);margin-top:18px}
.sec-h p{margin:0;color:var(--muted);max-width:42ch}
.specs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--ink);border-left:1px solid var(--line)}
.spec{position:relative;padding:28px 28px 34px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:300px;display:flex;flex-direction:column;transition:background .4s var(--ease)}
.spec:hover{background:var(--wall)}
.spec .code{display:flex;justify-content:space-between;align-items:center;font:600 12px/1 var(--body);letter-spacing:.2em;color:var(--muted)}
.spec .code b{color:var(--blue-ink)}
.spec .ic{margin:34px 0 26px;width:56px;height:56px;color:var(--ink)}
.spec .ic svg{width:100%;height:100%}
.spec .ic svg *{stroke-dasharray:1;stroke-dashoffset:0;transition:stroke-dashoffset 0s}
.spec:hover .ic svg *{animation:redraw 1s var(--ease)}
@keyframes redraw{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
.spec h3{font-size:clamp(26px,2.3vw,34px);margin-bottom:12px}
.spec p{margin:0;color:var(--muted);font-size:16px}
.spec.m .code b{color:var(--fire)}

/* motto band */
.motto{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:clamp(70px,9vw,120px) 0}
.motto .row{white-space:nowrap;font-family:var(--display);font-weight:900;font-size:clamp(70px,12vw,200px);letter-spacing:-.04em;line-height:.92;will-change:transform}
.motto .row.o{color:transparent;-webkit-text-stroke:1.5px rgba(255,255,255,.4)}
.motto .row em{font-style:normal;color:var(--blue)}
.motto .mid{display:flex;align-items:center;gap:clamp(16px,3vw,36px);padding:clamp(22px,3vw,36px) var(--gut)}
.motto .mid::before,.motto .mid::after{content:"";flex:1;height:1px;background:rgba(255,255,255,.22)}
.motto .gear{flex:none;width:clamp(84px,9vw,130px);height:clamp(84px,9vw,130px);border-radius:50%;will-change:transform}
.motto .gear img{width:100%;height:100%}

/* process: dimension line */
.dimline{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding-top:64px}
.dimline::before{content:"";position:absolute;left:0;right:0;top:30px;height:1.5px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform 1.6s var(--ease)}
.dimline.in::before{transform:scaleX(1)}
.dimline .ar-l,.dimline .ar-r{position:absolute;top:24px;width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;opacity:0;transition:opacity .5s 1.2s}
.dimline .ar-l{left:0;border-right:14px solid var(--blue)}
.dimline .ar-r{right:0;border-left:14px solid var(--blue)}
.dimline.in .ar-l,.dimline.in .ar-r{opacity:1}
.dstep{position:relative;padding:0 24px 0 0}
.dstep::before{content:"";position:absolute;left:0;top:-46px;width:1.5px;height:30px;background:var(--blue)}
.dstep .n{display:block;position:absolute;left:10px;top:-62px;font:600 12px/1 var(--body);letter-spacing:.2em;color:var(--blue-ink)}
.dstep h3{font-size:clamp(24px,2.2vw,32px);margin:0 0 10px}
.dstep p{margin:0;color:var(--muted);font-size:16px}
.who{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,3vw,40px);margin-top:clamp(70px,9vw,120px)}
.who div{border-top:1px solid var(--ink);padding-top:22px}
.who h3{font-size:clamp(26px,2.4vw,36px);margin-bottom:10px}
.who p{margin:0;color:var(--muted)}

/* contact */
.contact{background:var(--ink);color:#fff}
.contact .sec-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(36px,6vw,110px);align-items:start}
.contact .tag{color:rgba(255,255,255,.6)}
.contact h2{font-size:clamp(46px,6.4vw,100px);margin:18px 0 26px}
.contact .bigtel{display:inline-block;font-family:var(--display);font-weight:900;font-size:clamp(34px,4.2vw,60px);letter-spacing:-.02em;text-decoration:none;font-variant-numeric:tabular-nums;border-bottom:2px solid var(--blue);line-height:1.1}
.contact .bigtel:hover{color:#AFC0FF}
.contact .facts{list-style:none;margin:36px 0 0;padding:0;border-top:1px solid rgba(255,255,255,.16)}
.contact .facts li{display:grid;grid-template-columns:9rem 1fr;gap:16px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.16)}
.contact .facts b{font:600 12px/1.4 var(--body);letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.6);padding-top:3px}
.form{display:grid;gap:22px;padding:clamp(24px,3vw,40px);border:1px solid rgba(255,255,255,.16);border-radius:20px;background:var(--ink-2)}
.form h3{font-size:34px}
.form .row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.field{display:grid;gap:8px;min-width:0}
.field label{font:600 11px/1.2 var(--body);letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.66)}
.field input,.field select,.field textarea{width:100%;min-width:0;font:inherit;font-size:17px;color:#fff;background:transparent;border:0;border-bottom:1.5px solid rgba(255,255,255,.3);border-radius:0;padding:10px 0;min-height:46px;transition:border-color .3s}
.field select{appearance:none;-webkit-appearance:none;background:linear-gradient(45deg,transparent 50%,#fff 50%) right 6px center/7px 7px no-repeat,linear-gradient(-45deg,transparent 50%,#fff 50%) right 0 center/7px 7px no-repeat;padding-right:24px}
.field select option{background:var(--ink-2);color:#fff}
.field textarea{min-height:92px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.38)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue)}
.check{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;font-size:14px;color:rgba(255,255,255,.7);cursor:pointer}
.check input{appearance:none;-webkit-appearance:none;width:20px;height:20px;margin:1px 0 0;border:1.5px solid rgba(255,255,255,.5);border-radius:5px;display:grid;place-items:center;cursor:pointer}
.check input:checked{background:var(--blue);border-color:var(--blue)}
.check input:checked::after{content:"";width:9px;height:5px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg) translate(1px,-1px)}
.check input:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.check a{color:#fff}
.hp{position:absolute;left:-5000px}
.form .btn{width:100%}

/* footer */
.foot{background:#0E1012;color:rgba(255,255,255,.62);padding:56px var(--gut) calc(30px + env(safe-area-inset-bottom,0px));font-size:14px}
.foot-in{max-width:1400px;margin:0 auto;display:grid;gap:36px}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px}
.foot-top .brand .mk{width:52px;height:52px}
.foot-top .brand .wm{height:26px}
.foot-top p{margin:0;font:600 12px/1 var(--body);letter-spacing:.32em;text-transform:uppercase;color:#fff}
.foot-bot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12)}
.foot a{color:rgba(255,255,255,.85);text-decoration:none}
.foot a:hover{color:#fff;text-decoration:underline}
.foot nav{display:flex;flex-wrap:wrap;gap:22px}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}

/* mobile call bar */
.mbar{display:none}

/* simple pages */
.doc{max-width:780px;margin:0 auto;padding:130px var(--gut) 100px}
.doc h1{font-size:clamp(40px,6vw,64px);margin:16px 0 12px}
.doc h2{font-size:26px;margin:38px 0 10px;letter-spacing:-.02em}
.doc p,.doc li{color:#33373c}
.doc a{color:var(--blue-ink)}
.doc .upd{color:var(--muted);font-size:15px}
.center{text-align:center}
.center .tag{justify-content:center}
.center .tag::before{display:none}

@media (max-width:1100px){
  .hdr nav a.lk{display:none}
}
@media (max-width:900px){
  body{font-size:16px}
  .hdr .tel,.hdr .btn{display:none}
  .burger{display:block}
  .hero{padding-top:104px;padding-bottom:120px;align-items:flex-start}
  .hero-in{grid-template-columns:minmax(0,1fr);gap:20px}
  .plate{width:min(76vw,380px);order:-1;margin-top:8px}
  .hero h1{margin:18px 0 20px}
  .frame .cy{display:none}
  .tblock{display:none}
  .cue{display:none}
  .build{height:520vh}
  .pin{grid-template-columns:minmax(0,1fr);grid-template-rows:auto 1fr;align-items:start;padding:84px var(--gut) 92px;gap:8px}
  .st-head{display:none}
  .drawing{order:-1;max-height:42svh;margin-top:6px}
  .stages{min-height:0;height:100%}
  .stage{top:8px;transform:translateY(20px)}
  .stage.on{transform:none}
  .stage .no{font-size:64px}
  .stage h2{font-size:clamp(32px,9vw,44px);margin:10px 0 10px}
  .stage p{font-size:15px}
  .stage .btn{margin-top:16px}
  .tape{bottom:calc(84px + env(safe-area-inset-bottom,0px));height:34px}
  .pin{padding-bottom:140px}
  .sec-h{grid-template-columns:minmax(0,1fr)}
  .specs{grid-template-columns:minmax(0,1fr)}
  .spec{min-height:0;padding:24px 22px 28px}
  .spec .ic{margin:22px 0 18px;width:46px;height:46px}
  .dimline{grid-template-columns:minmax(0,1fr);padding-top:0;padding-left:36px;gap:34px}
  .dimline::before{left:8px;right:auto;top:0;bottom:0;width:1.5px;height:auto;transform:scaleY(0);transform-origin:top}
  .dimline.in::before{transform:scaleY(1)}
  .dimline .ar-l,.dimline .ar-r{display:none}
  .dstep{padding:0}
  .dstep::before{left:-36px;top:12px;width:18px;height:1.5px}
  .dstep .n{position:static;margin-bottom:8px}
  .who{grid-template-columns:minmax(0,1fr)}
  .contact .sec-in{grid-template-columns:minmax(0,1fr)}
  .contact .facts li{grid-template-columns:1fr;gap:4px}
  .form .row2{grid-template-columns:minmax(0,1fr)}
  .foot{padding-bottom:calc(96px + env(safe-area-inset-bottom,0px))}
  .mbar{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:30;padding:10px 14px calc(10px + env(safe-area-inset-bottom,0px));background:rgba(236,234,230,.94);backdrop-filter:blur(10px);box-shadow:0 -1px 0 var(--line);transform:translateY(110%);transition:transform .4s var(--ease)}
  .mbar.show{transform:none}
  .mbar .btn{min-height:48px;padding:0 .6em;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .hero h1 .ln>span,.hero .lede,.hero .cta,.rv{opacity:1;transform:none}
  .build{height:auto}
  .pin{position:relative;height:auto;min-height:100svh}
  .lines{stroke-dashoffset:0}
  .ax,.dims{opacity:1}
}

/* ---------- language switch ---------- */
.lang{display:inline-flex;border:1.5px solid var(--ink);border-radius:999px;padding:3px;gap:2px;flex:none}
.lang button{border:0;background:transparent;font:600 12px/1 var(--body);letter-spacing:.08em;padding:8px 10px;border-radius:999px;cursor:pointer;color:var(--ink);min-width:36px}
.lang button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.btn.wa.fill{background:#1F9D57;border-color:#1F9D57;color:#fff}
.btn.wa.fill::after{background:#18874A}

/* ---------- floating WhatsApp + assistant ---------- */
.fab{position:fixed;right:24px;bottom:24px;z-index:45;display:flex;flex-direction:column;align-items:flex-end;gap:12px;transition:bottom .4s var(--ease),opacity .3s,transform .3s}
.fab>.wa-fab,.fab>.bot-fab{opacity:0;transform:scale(.6) translateY(16px);transition:opacity .3s,transform .55s cubic-bezier(.3,1.5,.5,1),background .2s}
.fab.in>.wa-fab,.fab.in>.bot-fab{opacity:1;transform:none}
.fab.in>.bot-fab{transition-delay:.12s}
.wa-fab{position:relative;display:flex;align-items:center;gap:8px;height:58px;padding:0 20px 0 12px;border-radius:999px;background:#1F9D57;color:#fff;text-decoration:none;font:600 15px/1 var(--body);box-shadow:0 14px 30px -10px rgba(31,157,87,.65)}
.wa-fab:hover{background:#18874A}
.wa-fab svg{width:34px;height:34px}
.wa-fab::after{content:"";position:absolute;inset:0;border-radius:inherit;animation:ring 2.6s 3s infinite}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(31,157,87,.55)}70%,100%{box-shadow:0 0 0 16px rgba(31,157,87,0)}}
.bot-fab{display:flex;align-items:center;gap:10px;height:52px;padding:0 18px 0 9px;border-radius:999px;border:0;background:var(--ink);color:#fff;font:600 14px/1 var(--body);cursor:pointer;box-shadow:0 14px 30px -12px rgba(0,0,0,.5)}
.bot-fab:hover{background:var(--blue)}
.bot-fab img{width:34px;height:34px}
.wa-tip{position:relative;display:flex;align-items:center;gap:6px;background:#fff;color:var(--ink);padding:9px 6px 9px 14px;border-radius:14px;box-shadow:0 16px 34px -12px rgba(0,0,0,.35);font:600 14px/1.2 var(--body);opacity:0;visibility:hidden;transform:translateY(8px) scale(.9);transform-origin:bottom right;transition:opacity .35s,transform .5s cubic-bezier(.3,1.5,.5,1),visibility 0s .35s}
.wa-tip.show{opacity:1;visibility:visible;transform:none;transition:opacity .35s,transform .5s cubic-bezier(.3,1.5,.5,1)}
.wa-tip::after{content:"";position:absolute;right:30px;bottom:-6px;width:12px;height:12px;background:#fff;transform:rotate(45deg)}
.wa-tip button{border:0;background:transparent;font-size:20px;line-height:1;cursor:pointer;color:var(--muted);width:30px;height:30px;border-radius:50%}
html.in-build .fab{bottom:96px}
html.bot-open .fab{opacity:0;pointer-events:none}

/* ---------- assistant panel ---------- */
.bot{position:fixed;right:24px;bottom:24px;z-index:50;width:min(390px,calc(100vw - 32px));height:min(640px,calc(100vh - 110px));display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:22px;box-shadow:0 40px 80px -30px rgba(0,0,0,.45);overflow:hidden;opacity:0;transform:translateY(20px) scale(.97);transform-origin:bottom right;transition:opacity .3s var(--ease),transform .4s var(--ease)}
.bot.open{opacity:1;transform:none}
.bot[hidden]{display:none}
.bot-h{display:flex;align-items:center;gap:12px;padding:14px 14px 14px 16px;background:var(--ink);color:#fff}
.bot-h img{width:42px;height:42px;flex:none}
.bot-h div{flex:1;min-width:0}
.bot-h b{display:block;font-family:var(--display);font-weight:800;font-size:17px;letter-spacing:-.01em}
.bot-h span{display:block;font-size:12.5px;color:rgba(255,255,255,.66)}
.bot-x{flex:none;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;font-size:22px;line-height:1;cursor:pointer}
.bot-x:hover{background:rgba(255,255,255,.12)}
.bot-log{flex:1;overflow-y:auto;padding:18px 14px 10px;display:flex;flex-direction:column;gap:10px;background-image:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px);background-size:24px 24px}
.msg{max-width:88%;padding:11px 14px;border-radius:16px;font-size:15px;line-height:1.45;animation:mpop .35s var(--ease) both}
.msg.ai{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.msg.me{align-self:flex-end;background:var(--blue);color:#fff;border-bottom-right-radius:4px}
.msg.sum{display:grid;gap:4px;background:var(--wall);border:1.5px dashed var(--blue);font-size:14.5px}
.msg.sum b{color:var(--blue-ink);font-weight:600}
.msg.typing{display:flex;gap:5px;padding:15px 14px}
.msg.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:dot 1s infinite}
.msg.typing i:nth-child(2){animation-delay:.15s}.msg.typing i:nth-child(3){animation-delay:.3s}
@keyframes dot{0%,60%,100%{opacity:.25;transform:none}30%{opacity:1;transform:translateY(-3px)}}
@keyframes mpop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.bot-opts{display:grid;gap:8px;padding:12px 14px;border-top:1px solid var(--line);background:var(--paper)}
.bot-opts:empty{display:none}
.opt{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;min-height:46px;padding:10px 14px;border-radius:12px;border:1.5px solid var(--ink);background:#fff;color:var(--ink);font:600 14.5px/1.3 var(--body);text-align:left;text-decoration:none;cursor:pointer;animation:mpop .35s var(--ease) both;transition:background .2s,color .2s}
.opt::after{content:"→";color:var(--blue);flex:none}
.opt:hover{background:var(--ink);color:#fff}
.opt:hover::after{color:#fff}
.opt.wa-send{background:#1F9D57;border-color:#1F9D57;color:#fff}
.opt.wa-send::after{color:#fff}
.opt.wa-send:hover{background:#18874A}
.opt.ghost{background:transparent}
.opt-link{border:0;background:none;padding:6px 2px;font:600 13.5px/1.3 var(--body);color:#13693A;text-decoration:underline;text-underline-offset:3px;cursor:pointer;justify-self:start;text-align:left}
.bot-note{margin:0;padding:0 14px 12px;font-size:11.5px;line-height:1.4;color:var(--muted);background:var(--paper)}

@media (max-width:900px){
  .fab{right:14px;bottom:calc(16px + env(safe-area-inset-bottom,0px))}
  .fab .bot-fab{display:none}
  html.mbar-on .fab{opacity:0;pointer-events:none;transform:translateY(20px)}
  html.in-build .fab{bottom:calc(16px + env(safe-area-inset-bottom,0px))}
  .bot{right:0;left:0;bottom:0;width:100%;height:min(88svh,700px);border-radius:22px 22px 0 0;border-bottom:0}
  .tape .nums span{display:none;white-space:nowrap}
  .tape .nums span.cur{display:block;margin-left:auto}
  .hdr nav{gap:10px}
}

/* ---------- v5: richer drawing ---------- */
.cables{opacity:0;transition:opacity .4s}
.build:not([data-stage="0"]) .cables{opacity:1}
.cable{fill:none;stroke:#E0312B;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.4s var(--ease) .2s}
.cable.data{stroke:#2346FF;stroke-width:2}
.build:not([data-stage="0"]) .cable{stroke-dashoffset:0}
.conc{opacity:0;transition:opacity .9s var(--ease)}
.build:not([data-stage="0"]) .conc{opacity:1}
.extra{opacity:0;transform:translateY(12px);transform-box:fill-box;transition:opacity .8s var(--ease) .35s,transform .8s var(--ease) .35s}
.build[data-stage="4"] .extra{opacity:1;transform:none}

/* ---------- v5: grouped services ---------- */
.sgroup+.sgroup{margin-top:clamp(56px,7vw,96px)}
.sg-h{display:grid;grid-template-columns:auto minmax(0,1fr) minmax(0,.9fr);gap:clamp(16px,2.4vw,32px);align-items:end;padding-bottom:22px;border-bottom:2px solid var(--ink)}
.sg-code{display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:var(--ink);color:#fff;font-family:var(--display);font-weight:900;font-size:28px}
.sg-h h3{font-size:clamp(34px,4vw,60px);line-height:1}
.sg-h p{margin:0;color:var(--muted);max-width:46ch}
.sgroup .specs{border-top:0}
.specs.c4{grid-template-columns:repeat(4,minmax(0,1fr))}
.specs .spec{min-height:260px}
@media (max-width:1100px){.specs.c4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:900px){
  .sg-h{grid-template-columns:auto minmax(0,1fr);align-items:center}
  .sg-h p{grid-column:1/-1}
  .sg-code{width:52px;height:52px;font-size:22px}
  .specs.c4{grid-template-columns:minmax(0,1fr)}
  .specs .spec{min-height:0}
}
.sg-h h3{font-size:clamp(28px,3vw,44px)}
@media (min-width:901px){html.in-build .fab{opacity:0;pointer-events:none}}