:root{
  --bg:#080C13;--bg-2:#0D131C;--surface:#121A25;--surface-2:#18222F;--line:#243141;
  --ink:#EAF1F8;--muted:#9AAFC2;--arc-1:#FF5A1F;--arc-2:#FFB020;--poly:#2FE3C8;--violet:#7C6BFF;
  --ok:#57D98A;--err:#FF7A70;
  --grad-arc:linear-gradient(100deg,#FF5A1F 0%,#FFB020 100%);
  --grad-poly:linear-gradient(100deg,#2FE3C8 0%,#38BDF8 100%);
  --grad-text:var(--grad-arc);
  --r:14px;--r-lg:22px;--shadow:0 18px 50px -24px rgba(0,0,0,.85);
  box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);
}
:root[data-theme="light"]{--bg:#F5F7FA;--bg-2:#EDF1F6;--surface:#FFF;--surface-2:#F1F5F9;--line:#D9E1EA;
  --ink:#101B27;--muted:#4B5F72;--arc-1:#C93B0A;--arc-2:#9C6200;--poly:#0C7C6B;--grad-text:linear-gradient(100deg,#C93B0A 0%,#9C6200 100%);--violet:#5A48D6;
  --shadow:0 18px 45px -28px rgba(16,27,39,.45)}
*,*::before,*::after{box-sizing:inherit}
html{scroll-behavior:smooth;scroll-padding-top:calc(90px + env(safe-area-inset-top,0px))}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.68;-webkit-font-smoothing:antialiased;overflow-x:hidden;padding-bottom:86px}
@media(min-width:1000px){body{padding-bottom:0}}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{margin:0;font-family:"Space Grotesk",sans-serif;font-weight:700;line-height:1.1;letter-spacing:-.035em;text-wrap:balance}
h1{font-size:clamp(2rem,4.4vw,3.5rem);letter-spacing:-.045em}
h2{font-size:clamp(1.7rem,3.2vw,2.7rem)}
h3{font-size:1.26rem;letter-spacing:-.02em}
h4{font-size:1.02rem}
p{margin:1rem 0}
ul,ol{padding-left:1.25rem}
li{margin-bottom:.4rem}
.shell{width:min(1240px,calc(100% - 40px));margin-inline:auto}
.measure{max-width:60ch}
section{padding:clamp(50px,6.5vw,96px) 0;position:relative}
::selection{background:var(--arc-2);color:#0B0F16}
:focus-visible{outline:3px solid var(--poly);outline-offset:3px}
.muted{color:var(--muted)}.small{font-size:.9rem}.tiny{font-size:.82rem}
.kicker{display:inline-flex;align-items:center;gap:10px;font:600 .72rem/1 "Inter";letter-spacing:.2em;text-transform:uppercase;color:var(--arc-2)}
.kicker::before{content:"";width:30px;height:2px;background:var(--grad-arc)}
.kicker.poly{color:var(--poly)}.kicker.poly::before{background:var(--grad-poly)}
.kicker.doc{color:var(--violet)}.kicker.doc::before{background:linear-gradient(100deg,#7C6BFF,#B08BFF)}
.gradtext{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
#progress{position:fixed;top:0;left:0;height:3px;width:100%;transform:scaleX(0);transform-origin:0 50%;will-change:transform;z-index:99;background:var(--grad-arc)}
.btn{white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:15px 28px;border-radius:12px;
  font:650 1rem "Inter";text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .12s,box-shadow .2s,border-color .2s}
.btn-primary{background:linear-gradient(100deg,#E67B54 0%,#E6B255 100%);color:#0B0F16;box-shadow:0 6px 18px -12px rgba(0,0,0,.7)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06)}
.btn-outline{border-color:var(--line);color:var(--ink);background:transparent}
.btn-outline:hover{border-color:var(--poly)}
.btn-sm{min-height:46px;padding:11px 20px;font-size:.95rem}
@media(max-width:420px){.btn{white-space:normal;text-align:center}}
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:70;background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
header.site .shell{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:74px}
.logo{font-family:"Space Grotesk";font-weight:700;font-size:1.2rem;letter-spacing:.05em;text-decoration:none}
.logo em{font-style:normal;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
nav.main{display:none;gap:18px;font-size:.92rem;font-weight:500}
nav.main a{text-decoration:none;color:var(--muted);position:relative;padding:4px 0;white-space:nowrap}
nav.main a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--grad-arc);transition:width .25s}
nav.main a:hover,nav.main a[aria-current="page"]{color:var(--ink)}
nav.main a[aria-current="page"]::after,nav.main a:hover::after{width:100%}
.head-act{display:flex;align-items:center;gap:10px}
.loader{display:none}
.preload .loader{display:grid;place-items:center;position:fixed;inset:0;z-index:300;background:
  radial-gradient(50% 45% at 50% 50%,rgba(255,90,31,.10),transparent 70%),var(--bg);transition:opacity .45s ease,visibility .45s}
.preload.loaded .loader{opacity:0;visibility:hidden}
.loader-in{display:grid;justify-items:center;gap:14px;transform:translateY(-2vh)}
.loader-logo{font:700 2rem "Space Grotesk",sans-serif;letter-spacing:.08em;color:var(--ink)}
.loader-logo em{font-style:normal;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.loader-seam{overflow:visible}
.ls-base{stroke:var(--line);stroke-width:4;stroke-linecap:round}
.ls-weld{stroke:#FFB020;stroke-width:4;stroke-linecap:round;stroke-dasharray:220;stroke-dashoffset:220;animation:lsWeld 1.05s cubic-bezier(.45,.05,.35,1) forwards}
.ls-arc{animation:lsArc 1.05s cubic-bezier(.45,.05,.35,1) forwards}
.ls-halo{fill:rgba(255,196,120,.35);animation:lsFlick .09s steps(2) infinite}
.ls-core{fill:#fff}
.loader-t{font:600 .66rem "Inter",sans-serif;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
@keyframes lsWeld{to{stroke-dashoffset:0}}
@keyframes lsArc{to{transform:translateX(220px)}}
@keyframes lsFlick{50%{opacity:.55}}
.topbar{background:var(--bg-2);border-bottom:1px solid var(--line);font-size:.74rem;line-height:1;position:relative;z-index:71}
.topbar .shell{display:flex;justify-content:flex-end;align-items:center;gap:18px;min-height:28px}
.topbar a{color:var(--muted);text-decoration:none;white-space:nowrap;padding:7px 0;letter-spacing:.01em}
.topbar a:hover{color:var(--ink)}
.topbar a+a{position:relative}
.topbar a+a::before{content:"";position:absolute;left:-10px;top:50%;width:1px;height:10px;margin-top:-5px;background:var(--line)}
@media(max-width:699px){.topbar .tb-l{display:none}.topbar .shell{justify-content:center;gap:16px}}
@media(min-width:1240px){nav.main{display:flex}}
@media(max-width:599px){.head-act .btn{display:none}}
.menu-btn{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
@media(min-width:1240px){.menu-btn{display:none}}
.drawer{display:none;border-top:1px solid var(--line);background:var(--surface)}
.drawer.open{display:block}
.drawer a{display:block;padding:14px 0;text-decoration:none;border-bottom:1px solid var(--line);font-weight:600}
.hero{background:radial-gradient(60% 70% at 78% 6%,rgba(255,90,31,.20),transparent 60%),
  radial-gradient(50% 60% at 12% 90%,rgba(47,227,200,.14),transparent 60%),var(--bg-2);
  border-bottom:1px solid var(--line);overflow:hidden}
.hero .grid{display:grid;gap:36px;align-items:center}
@media(min-width:1000px){.hero .grid{grid-template-columns:1.06fr .94fr;gap:52px;align-items:start}}
.crumbs{font-size:.82rem;color:var(--muted);padding:16px 0 0}
.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--arc-2)}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 20px}
.facts{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 14px;font-size:.85rem;color:var(--muted)}
.chip b{color:var(--ink)}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:1fr}.g3{grid-template-columns:1fr}.g4{grid-template-columns:1fr 1fr}
@media(min-width:720px){.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:1fr 1fr}}
@media(min-width:1040px){.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;gap:8px;
  position:relative;overflow:hidden;transition:transform .2s,border-color .2s}
.card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--grad-arc);opacity:0;transition:opacity .2s}
.card:hover{transform:translateY(-4px);border-color:#31455A}
.card:hover::before{opacity:1}
.card.poly::before{background:var(--grad-poly)}
.card.doc::before{background:linear-gradient(100deg,#7C6BFF,#B08BFF)}
.card .num{font:700 .74rem "Space Grotesk";letter-spacing:.16em;color:var(--arc-2)}
.card.poly .num{color:var(--poly)}.card.doc .num{color:var(--violet)}
.card p{margin:.3rem 0 .6rem;color:var(--muted)}
.card .go{margin-top:auto;font-weight:650;text-decoration:none;color:var(--arc-2);padding-top:6px}
.card.poly .go{color:var(--poly)}.card.doc .go{color:var(--violet)}
.card .go:hover{text-decoration:underline}
.card.invert{background:linear-gradient(140deg,#1A2432,#101822);border-color:#2C3C4E}
:root[data-theme="light"] .card.invert{background:linear-gradient(140deg,#FFF,#EEF3F8)}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table{width:100%;border-collapse:collapse;min-width:620px;font-size:.93rem}
th,td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--surface-2);font:600 .76rem "Inter";letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
tr:last-child td{border-bottom:0}
td b{color:var(--arc-2);font-family:"Space Grotesk"}
.steps{counter-reset:s;display:grid;gap:18px;max-width:900px}
.step{display:flex;gap:18px;align-items:flex-start}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);width:46px;height:46px;flex:0 0 46px;border-radius:14px;
  display:grid;place-items:center;font:700 .95rem "Space Grotesk";background:var(--grad-arc);color:#0B0F16}
details.faq{border-bottom:1px solid var(--line)}
details.faq summary{cursor:pointer;font-weight:650;padding:17px 0;list-style:none;display:flex;gap:16px;align-items:center;justify-content:space-between;min-height:48px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";color:var(--arc-2);font-size:1.55rem;line-height:1}
details.faq[open] summary::after{content:"–"}
details.faq p{margin:0 0 16px;color:var(--muted)}
.formgrid{display:grid;gap:16px}
@media(min-width:720px){.formgrid{grid-template-columns:1fr 1fr}.full{grid-column:1/-1}}
label{display:block;font-weight:650;font-size:.93rem;margin-bottom:6px}
input,select,textarea{width:100%;font:400 1rem "Inter";color:var(--ink);background:var(--bg-2);border:1px solid var(--line);
  border-radius:12px;padding:14px;min-height:54px}
textarea{min-height:128px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--poly)}
.hint{font-size:.83rem;color:var(--muted);margin-top:6px}
.err{display:none;color:var(--err);font-size:.86rem;margin-top:6px}
.field.bad input,.field.bad textarea{border-color:var(--err)}
.field.bad .err{display:block}
.status{display:none;margin-top:18px;padding:16px;border-radius:12px;border:1px solid}
.status.ok{display:block;border-color:var(--ok);background:rgba(87,217,138,.12)}
.status.bad{display:block;border-color:var(--err);background:rgba(255,122,112,.12)}
.bar{position:fixed;left:0;right:0;bottom:0;z-index:80;display:flex;gap:10px;padding:10px 14px calc(10px + env(safe-area-inset-bottom,0px));
  background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(12px);border-top:1px solid var(--line);transition:transform .25s}
.bar .btn{flex:1;min-height:52px;padding:12px 8px;font-size:.95rem}
@media(min-width:1000px){.bar{display:none}}
.modal{position:fixed;inset:0;z-index:95;display:none;place-items:center;padding:20px;background:rgba(4,8,14,.72);backdrop-filter:blur(4px)}
.modal[open]{display:grid}
.modal .box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);max-width:560px;width:100%;padding:30px;
  box-shadow:var(--shadow);position:relative;max-height:88vh;overflow:auto}
.modal .close{position:absolute;top:12px;right:12px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:var(--surface-2);color:var(--ink);font-size:1.1rem;cursor:pointer}
.modal ul{margin:14px 0;color:var(--muted)}
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}
.counter{font-family:"Space Grotesk";font-weight:700;font-size:clamp(2rem,4vw,3rem);background:var(--grad-text);
  -webkit-background-clip:text;background-clip:text;color:transparent}
@media (prefers-reduced-motion: reduce){.js .rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

.figinfo{margin-top:14px;min-height:74px;border-left:3px solid var(--arc-1);padding-left:14px}
.figinfo.p{border-color:var(--poly)}
.figinfo h4{margin-bottom:4px}.figinfo p{margin:0;color:var(--muted);font-size:.92rem}
footer.site{background:var(--bg-2);border-top:1px solid var(--line);padding:58px 0 40px}
footer.site .cols{display:grid;gap:30px}
@media(min-width:900px){footer.site .cols{grid-template-columns:1.3fr 1fr 1fr 1fr}}
footer.site h4{font:600 .76rem "Inter";letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
footer.site a{display:block;padding:5px 0;text-decoration:none;font-size:.93rem}
footer.site a:hover{color:var(--arc-2)}
.seotext{columns:1;color:var(--muted);font-size:.9rem}
@media(min-width:860px){.seotext{columns:2;column-gap:40px}}

/* ===== dodatki: przełącznik motywu, dropzone, spinner, animacje SVG ===== */
.theme-btn{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);cursor:pointer;font-size:1rem;line-height:1}
.theme-btn:hover{border-color:var(--arc-1)}
.btn.is-busy{opacity:.85;cursor:progress}
.spinner{width:18px;height:18px;border-radius:50%;border:2px solid rgba(11,15,22,.35);border-top-color:#0B0F16;
  display:inline-block;margin-right:10px;animation:spin .7s linear infinite;vertical-align:-3px}
@keyframes spin{to{transform:rotate(360deg)}}

.cta-inline{border-left:3px solid var(--arc-1);background:var(--surface-2);border-radius:0 12px 12px 0;padding:16px 18px;margin:26px 0}
.cta-inline p{margin:0 0 10px}
.cta-inline.poly{border-left-color:var(--poly)}
footer.site a{padding-block:8px}

/* ===== schematy interaktywne (system „Łuk na stali" z projektu źródłowego, podpięty pod tokeny ARC) ===== */
.lab-grid{display:grid;gap:22px}
@media(min-width:1040px){.lab-grid{grid-template-columns:1fr 1fr}.lab-wide{grid-column:1/-1}.lab-wide .figv{max-width:980px;margin-inline:auto}}
.lab-item{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.lab-title{font-size:1.15rem;margin-bottom:14px;display:flex;flex-direction:column;gap:6px}
.lab-kicker{font:600 .68rem "Inter",sans-serif;letter-spacing:.2em;text-transform:uppercase;color:var(--arc-2)}
.lab-kicker.poly{color:var(--poly)}
.figv{
  --arc:#F5A623;--txt:var(--ink);--txt-2:var(--muted);--txt-3:var(--muted);
  --line-soft:color-mix(in srgb,var(--line) 70%,transparent);
  --sans:"Inter",system-ui,sans-serif;--mono:ui-monospace,"Cascadia Mono","SF Mono",Consolas,monospace;
  position:relative;display:flex;flex-direction:column;gap:.45rem;width:100%;margin:0;
  background:radial-gradient(72% 90% at 50% 24%,color-mix(in srgb,var(--arc) 9%,transparent),transparent 70%),#0E1622;
  border:1px solid var(--line);border-radius:14px;padding:.8rem .9rem .7rem;overflow:hidden;color-scheme:dark;color:#E9EFF8}
.figv[data-fig="butt-fusion-frame"],.figv[data-fig="electrofusion"]{--arc:#2FE3C8}
.figv::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(#1A2740 1px,transparent 1px),linear-gradient(90deg,#1A2740 1px,transparent 1px);background-size:1.7rem 1.7rem;
  -webkit-mask-image:radial-gradient(75% 75% at 50% 45%,#000,transparent);mask-image:radial-gradient(75% 75% at 50% 45%,#000,transparent)}
.figv>*{position:relative;z-index:1}
.figv svg.dwg{width:100%;height:auto;display:block}
.figv figcaption{font-size:.72rem;color:#8193AE;text-align:center;line-height:1.35;margin-top:.3rem}
.figv .legend{display:flex;flex-wrap:wrap;gap:.35rem;justify-content:center;margin-top:.4rem}
.figv .legend button{display:inline-flex;align-items:center;gap:.4rem;background:#16223A;border:1px solid #233350;border-radius:2rem;
  padding:.3rem .7rem .3rem .3rem;font:500 .76rem "Inter",sans-serif;color:#A9B8D0;cursor:pointer;transition:.14s ease;line-height:1.2;min-height:34px}
.figv .legend button b{width:1.35rem;height:1.35rem;border-radius:50%;background:#233350;color:#E9EFF8;font:700 .66rem var(--mono);display:grid;place-items:center;flex:none}
.figv .legend button:hover,.figv .legend button.on{border-color:var(--arc);color:#E9EFF8}
.figv .legend button:hover b,.figv .legend button.on b{background:var(--arc);color:#0B0F16}
.figv .legend button:focus-visible{outline:2px solid var(--arc);outline-offset:2px}
.figv svg.dwg .pg,.figv svg.dwg .dot{transition:opacity .18s ease}
.figv.act svg.dwg .pg:not(.hi){opacity:.22}
.figv.act svg.dwg .dot:not(.hi){opacity:.3}
.figv svg.dwg .pg,.figv svg.dwg .dot{cursor:pointer}
.figv svg.dwg .dot circle{fill:#111B2C;stroke:var(--arc);stroke-width:2}
.figv svg.dwg .dot text{fill:var(--arc);font:700 13px var(--mono);text-anchor:middle;dominant-baseline:central;pointer-events:none}
.figv svg.dwg .dot.hi circle{fill:var(--arc)}
.figv svg.dwg .dot.hi text{fill:#0B0F16}
.figv svg.dwg .tx-k{fill:var(--arc);font:700 11.5px var(--mono);letter-spacing:.06em}
.figv svg.dwg .tx-s{fill:#A9B8D0;font:600 12.5px var(--sans);letter-spacing:.05em}
.figv svg.dwg .ln{stroke:#233350;stroke-width:1.5;fill:none}
.figv svg.dwg .ln-a{stroke:var(--arc);stroke-width:1.6;fill:none}
@media (prefers-reduced-motion: no-preference){
  .figv:not(.act) svg.dwg .dot circle{animation:dotPulse 2.8s ease-in-out infinite}
  .figv svg.dwg .dot:nth-child(2n) circle{animation-delay:.6s}
  .figv svg.dwg .dot:nth-child(3n) circle{animation-delay:1.2s}
  @keyframes dotPulse{0%,100%{stroke-width:2}50%{stroke-width:4}}
}
.lab-item .figinfo{margin-top:14px;min-height:78px}
/* schematy zawsze w ciemnej palecie rysunku — niezależnie od motywu strony */
.figv{--surface:#111B2C;--surface-2:#16223A;--line:#233350;--line-soft:#1A2740;--txt:#E9EFF8;--txt-2:#A9B8D0;--txt-3:#6F81A0}
.hero-fig .lab-item{box-shadow:var(--shadow)}
.hero-fig .lab-title{font-size:1.02rem}
.hero-fig-wide{margin-top:34px}
.lab-kicker.doc{color:var(--violet)}
.figv[data-fig="iso1090"] svg.dwg .tx-k,.figv[data-fig="wps-wpqr"] svg.dwg .tx-k{font-size:11px}
.figv[data-fig="iso1090"] svg.dwg .tx-s{font:500 11px var(--sans);letter-spacing:0}
.figv[data-fig="wps-wpqr"] svg.dwg .tx-s{font:500 12px var(--sans);letter-spacing:0}
.hero-fig-wide .lab-item{padding:26px}
.hero-fig-wide .figv{max-width:none}
.hero-fig-wide .figv .legend button{font-size:.84rem;min-height:38px}
.hero-3d .pv-showcase,.pv-wrap .pv-showcase{padding:0!important}
.map-box{position:relative;margin-top:26px;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:
  radial-gradient(60% 80% at 50% 40%,rgba(255,90,31,.10),transparent 65%),
  repeating-linear-gradient(0deg,transparent 0 38px,color-mix(in srgb,var(--line) 55%,transparent) 38px 39px),
  repeating-linear-gradient(90deg,transparent 0 38px,color-mix(in srgb,var(--line) 55%,transparent) 38px 39px),var(--surface);
  aspect-ratio:16/7;min-height:340px;display:grid;place-items:center}
.map-box iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.map-consent{max-width:520px;text-align:center;padding:24px}
.map-lead{font-family:"Space Grotesk",sans-serif;font-size:1.2rem;margin:0 0 6px}
@media(max-width:700px){.map-box{aspect-ratio:auto;min-height:380px}}
.note{background:var(--surface-2);border:1px solid var(--line);border-left:3px solid var(--arc-1);border-radius:12px;padding:13px 15px;font-size:.9rem}
.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:var(--arc-2);color:#0B0F16;padding:10px 16px;border-radius:10px;font-weight:700;text-decoration:none}
.skip-link:focus{top:12px}
.privacy h2{font-size:1.35rem;margin:28px 0 8px}
.privacy p,.privacy li{color:var(--muted)}
.figv[data-fig="tig"]{--arc:#F5A623}
.figv[data-fig="gmaw"]{--arc:#F5A623}
.figv[data-fig="laser521"]{--arc:#FF3366}
.figv[data-fig="mt"]{--arc:#FF9800;--uv:#7C4DFF;--fl:#76FF03}
.figv[data-fig="ndt-rt"]{--arc:#FFC107}
.figv[data-fig="ndt-ut"]{--arc:#00BCD4}
.figv[data-fig="len-pipe"]{--arc:#F5A623}
.figv[data-fig="len-fw"]{--arc:#F5A623}
.figv[data-fig="iso1090"]{--arc:#FFC107;--tech:#00BCD4;--ok:#4CAF50}
.figv[data-fig="iso1090"].act svg.dwg .conn{opacity: 0.15;}
.figv[data-fig="iso1090"] svg.dwg .tx-w{fill: #FFF; font-family: var(--sans); font-size: 10px; font-weight: 700;}
.figv[data-fig="iso1090"] svg.dwg .ln-conn{stroke: var(--txt-3); stroke-width: 2; fill: none; stroke-dasharray: 4 4;}
.figv[data-fig="iso1090"] svg.dwg .ln-solid{stroke: var(--txt-3); stroke-width: 2; fill: none;}
.figv[data-fig="wps-wpqr"]{--arc:#4CAF50;--warn:#F5A623}
.figv[data-fig="wps-wpqr"].act svg.dwg .conn{opacity: 0.15;}
.figv[data-fig="wps-wpqr"] svg.dwg .tx-w{fill: #FFF; font-family: var(--sans); font-size: 10px; font-weight: 700;}
.figv[data-fig="wps-wpqr"] svg.dwg .ln-conn{stroke: var(--txt-3); stroke-width: 2; fill: none; stroke-dasharray: 4 4;}
.figv[data-fig="contact-form"]{--arc:#F5A623}
.figv[data-fig="contact-form"] .cursor-blink{animation: blink 1s step-end infinite;}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
/* wyróżnienie opisów usług */
.hero .measure{font-size:1.12rem;color:color-mix(in srgb,var(--ink) 86%,var(--muted))}
.hero .measure strong,.card p strong{color:var(--ink)}
.card:has(>.num){border-left:3px solid var(--arc-1);background:linear-gradient(180deg,color-mix(in srgb,var(--arc-1) 6%,var(--surface)) 0,var(--surface) 140px)}
.card.poly:has(>.num){border-left-color:var(--poly);background:linear-gradient(180deg,color-mix(in srgb,var(--poly) 6%,var(--surface)) 0,var(--surface) 140px)}
.card.doc:has(>.num){border-left-color:var(--violet);background:linear-gradient(180deg,color-mix(in srgb,var(--violet) 7%,var(--surface)) 0,var(--surface) 140px)}
.card:has(>.num) h3{font-size:1.34rem}
.card:has(>.num) p{color:color-mix(in srgb,var(--ink) 84%,var(--muted));font-size:1.01rem}
.card:has(>.num) .num{font-size:.8rem}
/* powiadomienie */
.toast{position:fixed;left:22px;bottom:24px;z-index:85;width:min(410px,calc(100% - 28px));background:var(--surface);color:var(--ink);
  border:1px solid var(--line);border-left:3px solid var(--arc-1);border-radius:16px;padding:18px 18px 16px;box-shadow:var(--shadow);
  opacity:0;transform:translateY(16px);transition:opacity .25s ease,transform .25s ease}
.toast.in{opacity:1;transform:none}
.toast p{margin:0}
.toast-k{font:600 .68rem "Inter",sans-serif;letter-spacing:.18em;text-transform:uppercase;color:var(--arc-2);margin-bottom:6px!important}
.toast-t{font:700 1.12rem "Space Grotesk",sans-serif;letter-spacing:-.02em;margin-bottom:6px!important;padding-right:34px}
.toast-d{font-size:.92rem;color:var(--muted);margin-bottom:12px!important}
.toast-a{display:flex;gap:8px}
.toast-a .btn{flex:1 1 auto;padding:10px 12px;font-size:.9rem}
.toast-x{position:absolute;top:10px;right:10px;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--surface-2);color:var(--ink);cursor:pointer}
@media(max-width:999px){.toast{left:14px;right:14px;width:auto;bottom:calc(84px + env(safe-area-inset-bottom,0px))}}
@media (prefers-reduced-motion:reduce){.toast{transition:none;transform:none}}
/* kontakt */
.contact-hero .grid{align-items:start}
.quick-tel{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}
@media(min-width:1000px){.quick-tel{display:none}}
.contact-card .role{border-top:1px solid var(--line);padding-top:14px;margin-top:14px}
.contact-card .role:first-of-type{border-top:0;padding-top:0;margin-top:6px}
.contact-card .tel{display:inline-block;font:700 1.45rem "Space Grotesk",sans-serif;letter-spacing:-.01em;text-decoration:none;color:var(--ink)}
.contact-card .tel:hover{color:var(--arc-2)}
.contact-card .lbl{font-size:.82rem;color:var(--muted);display:block}
.contact-card ol{margin:6px 0 0;padding-left:1.1rem;color:var(--muted);font-size:.92rem}
.figv[data-fig="tig"],.figv[data-fig="gmaw"],.figv[data-fig="len-fw"],.figv[data-fig="len-pipe"],.figv[data-fig="contact-form"]{--arc:#FFB020}
.figv[data-fig="laser521"]{--arc:#FF5A1F}
.figv[data-fig="mt"],.figv[data-fig="ndt-rt"],.figv[data-fig="ndt-ut"]{--arc:#38BDF8}
.figv[data-fig="wps-wpqr"],.figv[data-fig="iso1090"]{--arc:#7C6BFF}
.figv.off svg.dwg .dot circle{animation-play-state:paused}
.lab-grid>.lab-item{content-visibility:auto;contain-intrinsic-height:auto 760px}
.h3{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:1.26rem;letter-spacing:-.02em;line-height:1.1;margin:0}
.h4{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:1.02rem;letter-spacing:-.01em;line-height:1.15}
.figinfo .figinfo-t{margin:0 0 4px}
.trust{background:var(--surface);border-bottom:1px solid var(--line)}
.trust .shell{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;padding:20px 0}
@media(min-width:900px){.trust .shell{grid-template-columns:repeat(4,1fr)}}
.trust span{font-size:.86rem;color:var(--muted);border-left:3px solid var(--arc-1);padding-left:12px}
.trust b{display:block;font:700 1.02rem "Space Grotesk",sans-serif;color:var(--ink);letter-spacing:-.01em}
.proc{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:18px 0 0}
.proc li{margin:0;font:700 .82rem "Space Grotesk",sans-serif;letter-spacing:.02em;padding:6px 12px;border-radius:8px;
  border:1px solid color-mix(in srgb,var(--arc-1) 45%,var(--line));background:color-mix(in srgb,var(--arc-1) 8%,var(--surface))}
.cta-note{margin:-8px 0 16px}
.bar .btn{flex:1 1 0;font-size:.88rem;padding:12px 6px;gap:6px}
.wa-float{position:fixed;right:22px;bottom:24px;z-index:75;display:none;min-height:48px;padding:10px 18px;gap:8px;background:var(--surface);box-shadow:var(--shadow)}
@media(min-width:1000px){.wa-float{display:inline-flex}}
@media(max-width:999px){header.site,.bar{backdrop-filter:none;background:var(--bg)}}
@font-face{font-family:Inter;font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/inter-latin.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+2000-206f,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}
@font-face{font-family:Inter;font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/inter-latin-ext.woff2) format("woff2");unicode-range:u+0100-024f,u+0259,u+1e??,u+2020,u+20a0-20ab,u+20ad-20cf,u+2113,u+2c60-2c7f,u+a720-a7ff}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:500 700;font-display:swap;src:url(/assets/fonts/space-grotesk-latin.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+2000-206f,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:500 700;font-display:swap;src:url(/assets/fonts/space-grotesk-latin-ext.woff2) format("woff2");unicode-range:u+0100-024f,u+0259,u+1e??,u+2020,u+20a0-20ab,u+20ad-20cf,u+2113,u+2c60-2c7f,u+a720-a7ff}
@media (prefers-reduced-motion: no-preference){
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}
  @keyframes dash{to{stroke-dashoffset:-44}}
}