/* ============================================================
   Klarmint — design system «Warstwy»
   Light engineering. Vanilla CSS, 0 dependencies. Layered.
   Klucz: te same nazwy klas i tokenów, co wcześniej — cały
   serwis restyluje się przez repoint tokenów.
   ============================================================ */
@import url("fonts.css"); /* self-hosted fonts (latin + latin-ext), no Google CDN */
@layer tokens, base, layout, components, sections, utilities;

@layer tokens{
  :root{
    --bg:#F5F7F6; --bg-2:#FFFFFF; --panel:#FFFFFF; --panel-2:#F5F7F6;
    --ink:#101820; --ink-2:#2A3640; --muted:#5C6670; --line:#E1E6E4; --line-2:#EDF0EF;
    /* layer tints (sygnatura Warstwy) */
    --t-tresc:#FFF2DC; --t-styl:#E7ECFF; --t-perf:#DFF5EA; --code:#0E1B18;
    /* green accent scale */
    --acc:#0B8A5C; --acc-2:#0E9F6E; --accent:#0B8A5C; --accent-tx:#0B7A50; --accent-soft:#DFF5EA;
    --ok:#0B7A50;
    --grad:linear-gradient(135deg,#0B8A5C,#0E9F6E 60%,#12B37E);
    --grad-btn:linear-gradient(135deg,#0B7A50,#0B8A5C);
    --ff:"Instrument Sans",system-ui,-apple-system,sans-serif;
    --fd:"Sora",var(--ff);
    --fm:"IBM Plex Mono",ui-monospace,SFMono-Regular,monospace;
    --r-sm:10px; --r:14px; --r-lg:20px;
    --shadow:0 1px 2px rgb(16 24 32 / .05);
    --shadow-lg:0 30px 60px -34px rgb(16 24 32 / .55);
    --maxw:1180px; --gut:34px;
  }
}

@layer base{
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth;overflow-x:clip;-webkit-text-size-adjust:100%}
  @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
  body{font-family:var(--ff);background:var(--bg);color:var(--ink);line-height:1.6;
    -webkit-font-smoothing:antialiased;overflow-x:clip;text-rendering:optimizeLegibility;
    display:flex;flex-direction:column;min-height:100vh}
  body>main{flex:1 0 auto}
  body>.footer{flex-shrink:0}
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  h1,h2,h3,h4{font-family:var(--fd);font-weight:700;letter-spacing:-.03em;line-height:1.05;color:var(--ink)}
  h2{font-size:clamp(28px,3.6vw,42px)}
  h3{font-size:19px;letter-spacing:-.01em}
  ::selection{background:var(--acc);color:#fff}
  :focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:4px}
}

@layer layout{
  .wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut);position:relative;z-index:2}
  section{scroll-margin-top:84px}
  .sec{padding-block:clamp(56px,8vw,92px)}
  .sec-head{max-width:60ch;margin-bottom:38px}
  .sec-head.center{margin-inline:auto;text-align:center}
  .sec-head .eyebrow{margin-bottom:14px}
  .sec-sub{color:var(--muted);font-size:clamp(15px,1.6vw,18px);margin-top:14px;max-width:56ch}
  .sec-head.center .sec-sub{margin-inline:auto}
}

@layer components{
  .eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--fm);font-size:12.5px;font-weight:500;
    letter-spacing:.02em;color:var(--accent-tx);background:var(--panel);border:1px solid var(--line);
    padding:7px 13px;border-radius:100px}
  .eyebrow i{width:6px;height:6px;border-radius:2px;background:var(--acc);flex:0 0 auto}
  /* .gt — akcentowany fragment nagłówka (bez gradient-text) */
  .gt{color:var(--accent-tx)}

  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--fd);
    font-weight:600;font-size:15px;line-height:1;padding:14px 22px;border-radius:11px;border:1px solid transparent;
    cursor:pointer;transition:transform .16s,box-shadow .18s,background .18s,border-color .18s;white-space:nowrap}
  .btn-primary{background:var(--accent-tx);color:#fff}
  .btn-primary:hover{background:#0A6B46;transform:translateY(-2px);box-shadow:0 14px 30px -14px rgb(11 122 80 / .8)}
  .btn-ghost{background:var(--panel);color:var(--ink);border-color:var(--line)}
  .btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
  .btn-lg{padding:16px 26px;font-size:16px}
  .btn-block{width:100%}

  .card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:.22s}

  .chip{display:inline-flex;align-items:center;gap:7px;font-family:var(--fm);font-size:12px;font-weight:500;color:var(--accent-tx);
    background:var(--accent-soft);border:1px solid rgba(11,138,92,.2);padding:4px 11px;border-radius:7px}
  .chip.tip{position:relative;cursor:help}
  .chip.tip .tt{position:absolute;bottom:calc(100% + 8px);left:0;width:240px;background:var(--ink);color:#fff;
    font-weight:400;font-size:12px;line-height:1.45;padding:10px 12px;border-radius:10px;opacity:0;pointer-events:none;
    transform:translateY(4px);transition:.18s;z-index:5}
  .chip.tip:hover .tt,.chip.tip:focus-visible .tt{opacity:1;transform:none}
}

@layer components{ /* header */
  .header{position:sticky;top:0;z-index:50;background:rgb(245 247 246 / .82);backdrop-filter:saturate(1.4) blur(10px);
    border-bottom:1px solid var(--line)}
  .header-in{display:flex;align-items:center;gap:28px;height:66px}
  .brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--fd);font-weight:700;font-size:20px;letter-spacing:-.02em}
  .brand .g{width:22px;height:22px;flex:0 0 auto;display:block}
  .nav{display:flex;gap:26px;margin-left:6px}
  .nav a{font-size:15px;color:var(--muted);font-weight:500}
  .nav a:hover{color:var(--ink)}
  .header-cta{margin-left:auto;display:flex;align-items:center;gap:16px}
  .lang{font-family:var(--fm);font-size:12.5px;color:var(--muted);font-weight:500}
  .lang b{color:var(--ink)}
  .lang a{color:var(--muted);transition:color .15s}
  .lang a:hover{color:var(--acc)}
  .burger{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:var(--panel);
    cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px}
  .burger span{width:16px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
}

@layer sections{
  /* ---- base hero (podstrony: proces itd.) ---- */
  .hero{position:relative;overflow:clip}
  .aurora{display:none} /* Aurora usunięta — czysty engineering look */
  .hero-in{padding-block:clamp(60px,9vw,96px) clamp(36px,5vw,52px);max-width:900px}
  .hero h1{font-size:clamp(40px,6.4vw,74px);line-height:1;letter-spacing:-.035em;margin-top:22px}
  .hero .lead{font-size:clamp(17px,1.9vw,20px);color:var(--muted);max-width:52ch;margin-top:24px}
  .hero .lead b{color:var(--ink);font-weight:600}
  .hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}
  .hero-metrics{display:grid;grid-template-columns:repeat(4,auto);gap:44px;margin-top:48px;padding-top:26px;
    border-top:1px solid var(--line);width:fit-content;max-width:100%}
  .hero-metrics .m b{display:block;font-family:var(--fm);font-weight:700;font-size:clamp(24px,3vw,32px);letter-spacing:-.02em;line-height:1}
  .hero-metrics .m span{font-size:13px;color:var(--muted);margin-top:6px;display:block}

  /* ---- Home hero: warstwy 3D (sygnatura, auto-play + hover, bez scroll-jack) ---- */
  .hero--layers{height:auto}
  .hero--layers .sticky{position:static;height:auto;display:block;overflow:visible;padding-block:clamp(48px,7vw,80px)}
  .hgrid{display:grid;grid-template-columns:.92fr 1.08fr;gap:40px;align-items:center;width:100%}
  .hero--layers .eyebrow{margin-bottom:20px}
  .hero--layers h1{font-size:clamp(38px,5.6vw,66px);margin-top:0}
  .hero--layers .lead{margin-top:18px;max-width:36ch}
  .prog{margin-top:30px;font-family:var(--fm);font-size:12px;color:var(--muted);display:flex;align-items:center;gap:12px}
  .prog .bar{flex:1;height:3px;background:var(--line);border-radius:2px;overflow:hidden;max-width:200px}
  .prog .bar i{display:block;height:100%;background:var(--acc);width:calc(var(--p,0)*100%)}
  .stage-hint{display:none}
  @media(hover:hover){.hero--layers .stage-hint{display:block;font-family:var(--fm);font-size:12px;color:var(--muted);margin-top:22px}}

  .stage{perspective:1400px;perspective-origin:50% 42%;height:min(66vh,520px);position:relative}
  @media(hover:hover){.hero--layers .stage{cursor:pointer}}
  .deck{position:absolute;inset:0;transform-style:preserve-3d;
    transform:rotateX(calc((1 - var(--p,0))*20deg)) rotateY(calc((1 - var(--p,0))*-20deg)) rotateZ(calc((1 - var(--p,0))*4deg));
    transition:transform .1s linear}
  .plane{position:absolute;left:50%;top:50%;width:min(430px,82%);height:290px;margin:-145px 0 0 -215px;
    border-radius:var(--r);border:1px solid var(--line);background:#fff;box-shadow:0 30px 60px -34px rgb(16 24 32 / .55);
    transform-style:preserve-3d;overflow:hidden;
    transform:translateZ(calc(var(--i)*(1 - var(--p,0))*66px)) translateY(calc(var(--i)*(1 - var(--p,0))*-40px));
    transition:transform .1s linear}
  .plane .cap{position:absolute;top:11px;left:13px;font-family:var(--fm);font-size:10.5px;letter-spacing:.04em;
    color:var(--ink);background:#fff;border:1px solid var(--line);padding:3px 8px;border-radius:6px;
    opacity:calc(1 - var(--p,0));transition:opacity .1s linear}
  .plane .cap b{color:var(--accent-tx)}
  .p-tresc{background:var(--t-tresc)}
  .p-tresc .l{height:9px;border-radius:5px;background:rgb(16 24 32 / .16);margin:0 0 10px}
  .p-styl{background:var(--t-styl)}
  .p-kod{background:var(--code)}
  .p-perf{background:var(--t-perf)}
  .plane .pad{padding:38px 22px 22px}
  .sw{display:flex;gap:8px;margin-bottom:14px}
  .sw span{width:34px;height:34px;border-radius:8px;box-shadow:inset 0 0 0 1px rgb(0 0 0 / .06)}
  .type{font-family:var(--fd);font-weight:700;font-size:26px;color:var(--ink);letter-spacing:-.02em}
  .type small{display:block;font-family:var(--fm);font-weight:400;font-size:11px;color:var(--muted);letter-spacing:.02em;margin-top:4px}
  .code{font-family:var(--fm);font-size:12px;line-height:1.7;color:#8FA;white-space:pre}
  .code .k{color:#7FB4FF}.code .s{color:#FFD98A}.code .c{color:#5C7A72}
  .perf{display:flex;align-items:center;gap:16px}
  .perf .ring{width:76px;height:76px;border-radius:50%;display:grid;place-items:center;
    background:radial-gradient(closest-side,#fff 78%,transparent 80%),conic-gradient(var(--acc) 360deg,var(--line) 0)}
  .perf .ring b{font-family:var(--fm);font-weight:500;font-size:20px}
  .perf ul{list-style:none;font-family:var(--fm);font-size:12px;color:var(--ink)}
  .perf li{display:flex;align-items:center;gap:7px;margin-bottom:5px}
  .perf li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acc)}
  .result{position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);z-index:5;
    font-family:var(--fm);font-size:12px;color:#fff;background:var(--ink);padding:9px 16px;border-radius:100px;
    display:flex;align-items:center;gap:9px;opacity:var(--p,0);transition:opacity .12s linear;pointer-events:none;white-space:nowrap}
  .result i{width:7px;height:7px;border-radius:50%;background:var(--acc)}

  /* facts strip */
  .facts{border-block:1px solid var(--line);background:var(--panel)}
  .facts-in{display:flex;flex-wrap:wrap;gap:14px 40px;align-items:center;padding-block:20px;justify-content:space-between}
  .facts .f{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2);font-weight:500}
  .facts .f b{font-family:var(--fm);color:var(--ink);font-weight:700}
  .facts .f i{width:6px;height:6px;border-radius:2px;background:var(--acc);display:inline-block}

  /* services */
  .svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
  .svc{display:flex;flex-direction:column;position:relative;overflow:hidden}
  .svc::before{content:"";position:absolute;left:0;top:0;height:2px;width:0;background:var(--acc);transition:width .3s}
  .svc:hover{transform:translateY(-4px);border-color:var(--acc)}
  .svc:hover::before{width:100%}
  .svc .n{font-family:var(--fm);font-weight:500;font-size:13px;color:var(--muted);position:relative}
  .svc h3{margin:14px 0 8px;position:relative}
  .svc p{color:var(--muted);font-size:14px;flex:1;position:relative}
  .svc .meta{margin-top:16px;font-family:var(--fm);font-size:13px;font-weight:500;position:relative}
  .svc .meta b{color:var(--accent-tx)}
  .svc .meta span{color:var(--muted);font-weight:500}

  /* work */
  .work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .work{display:flex;flex-direction:column;overflow:hidden;padding:0}
  .work-cover{aspect-ratio:16/10;background:var(--grad);position:relative;display:grid;place-items:center;overflow:hidden}
  .work-cover img{width:100%;height:100%;object-fit:cover}
  .work-cover .ph{font-family:var(--fd);font-weight:700;font-size:22px;color:#fff;letter-spacing:-.02em;text-align:center;padding:16px;
    text-shadow:0 2px 10px rgb(0 0 0 / .2)}
  .work-body{padding:22px}
  .work-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
  .work h3{font-size:20px}
  .work p{color:var(--muted);font-size:14px;margin:8px 0 14px}
  .work-metrics{display:flex;gap:16px;flex-wrap:wrap;font-family:var(--fm);font-size:12px;color:var(--muted)}
  .work-metrics b{color:var(--ink);font-weight:700}
  .work-link{margin-top:16px;font-weight:600;font-size:14px;color:var(--accent-tx);display:inline-flex;gap:6px}
  .work:hover{transform:translateY(-4px);border-color:var(--acc)}

  /* process */
  .proc{display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:step}
  .proc .step{padding:24px 20px 24px 0;border-top:2px solid var(--line);position:relative}
  .proc .step::before{content:"";position:absolute;top:-2px;left:0;width:40%;height:2px;background:var(--acc)}
  .proc .step .k{font-family:var(--fm);font-weight:500;font-size:13px;color:var(--accent-tx);font-variant-numeric:tabular-nums}
  .proc .step h3{margin:12px 0 6px;font-size:17px}
  .proc .step p{color:var(--muted);font-size:13.5px}

  /* why / usp */
  .why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
  .why .ic{width:40px;height:40px;border-radius:11px;background:var(--accent-soft);color:var(--accent-tx);
    display:grid;place-items:center;font-size:20px;margin-bottom:14px}
  .why h3{font-size:17px;margin-bottom:7px}
  .why p{color:var(--muted);font-size:14px}

  /* honest block */
  .honest{background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:clamp(30px,5vw,52px);position:relative;overflow:hidden}
  .honest::after{content:"";position:absolute;inset:0;opacity:.6;pointer-events:none;
    background:radial-gradient(620px 320px at 88% 0%,rgba(11,138,92,.42),transparent 62%)}
  .honest .in{position:relative;max-width:60ch}
  .honest h2{color:#fff}
  .honest p{color:#C3CCC7;margin-top:16px;font-size:clamp(15px,1.7vw,18px)}
  .honest .row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
  .honest .row a.btn-ghost{background:rgb(255 255 255 / .08);border-color:rgb(255 255 255 / .2);color:#fff}
  .honest .row a.btn-ghost:hover{background:rgb(255 255 255 / .16)}

  /* faq */
  .faq-wrap{max-width:760px;margin-inline:auto}
  .faq-list{display:flex;flex-direction:column;gap:10px}
  .faq details{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-sm);padding:0 20px;box-shadow:var(--shadow)}
  .faq summary{list-style:none;cursor:pointer;padding:17px 0;font-family:var(--fd);font-weight:600;font-size:16px;
    display:flex;align-items:center;justify-content:space-between;gap:14px}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::after{content:"+";font-size:22px;color:var(--acc);transition:.2s;flex-shrink:0}
  .faq details[open] summary::after{content:"–"}
  .faq details p{color:var(--muted);font-size:14.5px;padding:0 0 18px;max-width:64ch}

  /* cta band */
  .cta-band{position:relative;overflow:clip}
  .cta-inner{position:relative;background:var(--ink);color:#fff;border-radius:var(--r-lg);text-align:center;
    padding:clamp(44px,7vw,72px) var(--gut);overflow:hidden}
  .cta-inner::before{content:"";position:absolute;inset:0;opacity:.7;pointer-events:none;
    background:radial-gradient(720px 360px at 50% 120%,rgba(11,138,92,.5),transparent 60%),radial-gradient(520px 300px at 15% 0,rgba(18,179,126,.28),transparent 60%)}
  .cta-inner>*{position:relative}
  .cta-inner h2{color:#fff;font-size:clamp(28px,4.2vw,44px)}
  .cta-inner p{color:#C3CCC7;margin:14px auto 26px;max-width:48ch;font-size:17px}
  .msgs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:24px}
  .msg{display:inline-flex;align-items:center;gap:8px;font-family:var(--fm);font-size:14px;font-weight:500;color:#fff;
    background:rgb(255 255 255 / .1);border:1px solid rgb(255 255 255 / .18);padding:10px 16px;border-radius:100px;transition:.16s}
  .msg:hover{background:rgb(255 255 255 / .2)}

  /* footer */
  .footer{background:var(--panel);border-top:1px solid var(--line);padding-top:52px}
  .footer-in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
  .footer .brand{margin-bottom:14px}
  .footer-tag{color:var(--muted);font-size:14px;max-width:34ch}
  .footer-col h3{font-family:var(--fm);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:14px;font-weight:500}
  .footer-col a{display:block;color:var(--ink-2);font-size:14px;padding:4px 0}
  .footer-col a:hover{color:var(--accent-tx)}
  .footer-legal{border-top:1px solid var(--line);padding-block:20px;display:flex;justify-content:space-between;
    gap:16px;flex-wrap:wrap;font-family:var(--fm);font-size:12px;color:var(--muted)}
  .concept-badge{display:inline-block;margin-top:14px;font-family:var(--fm);font-size:11.5px;color:var(--accent-tx);
    background:var(--accent-soft);border:1px solid rgba(11,138,92,.25);padding:5px 11px;border-radius:7px}
}

@layer utilities{
  @media (max-width:980px){
    .hero--layers{height:auto}
    .hero--layers .sticky{position:static;height:auto;padding-block:56px}
    .hgrid{grid-template-columns:1fr;gap:28px}
    .stage{height:min(56vh,440px)}
  }
  @media (max-width:960px){
    .svc-grid,.why-grid{grid-template-columns:1fr 1fr}
    .work-grid{grid-template-columns:1fr 1fr}
    .proc{grid-template-columns:1fr 1fr}
    .footer-in{grid-template-columns:1fr 1fr}
    .hero-metrics{grid-template-columns:1fr 1fr;gap:24px}
  }
  @media (max-width:680px){
    :root{--gut:20px}
    .nav,.lang{display:none}
    .burger{display:flex}
    .svc-grid,.why-grid,.work-grid,.proc,.footer-in{grid-template-columns:1fr}
    .facts-in{gap:12px 24px}
    .stage{height:380px}
    .plane{width:min(340px,88%);height:250px;margin:-125px 0 0 -170px}
    .nav.open{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;gap:0;
      background:var(--panel);border-bottom:1px solid var(--line);padding:8px 20px 16px}
    .nav.open a{padding:12px 0;border-bottom:1px solid var(--line-2);font-size:16px;color:var(--ink)}
  }
  @media (prefers-reduced-motion:reduce){
    .deck,.plane,.cap,.result{transition:none!important}
    *,*::before,*::after{animation-duration:.001ms!important}
  }
}