/* ============================================================
   ROBTECH — shared design system (site.css)
   Engineering Solutions. Dark editorial + precision.
   ============================================================ */
:root{
  --ink:#17171B; --ink-2:#1E1E23; --ink-3:#26262C;
  --paper:#F4F4F2; --paper-2:#EAEAE6; --surface:#FFFFFF; --surface-2:#F7F7F4;
  --ink-text:#17171B; --ink-soft:#4A4A52; --line-d:rgba(20,20,25,.12);
  --c-body:#CFCFD4; --c-strong:#fff; /* tekst treści/emfaza — domyślnie motyw ciemny */
  --acc:#2358E0; --acc-2:#4F90F5; --acc-700:#173FB0;
  --grad:linear-gradient(115deg,#2358E0 0%,#4F90F5 100%);
  --grey:#9EA2AA; --grey-d:#C2C2C8;
  --line:rgba(255,255,255,.10); --glow:rgba(35,88,224,.40);
  --maxw:1320px; --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;color-scheme:light dark;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{font-family:'Inter',system-ui,Arial,sans-serif;background:var(--ink);color:#E6E6E8;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,.disp{font-family:'Archivo','Inter',sans-serif;font-weight:800;letter-spacing:-.038em;line-height:.95;color:#fff}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.mono{font-family:'JetBrains Mono',monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--acc-2);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"//";opacity:.55}
.gacc{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.acc{color:var(--acc-2)}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px}
section{position:relative}

/* progress + cursor */
#prog{position:fixed;top:0;left:0;height:2px;width:0;background:var(--grad);z-index:200;box-shadow:0 0 12px var(--glow)}
#cursor{position:fixed;width:520px;height:520px;border-radius:50%;pointer-events:none;z-index:0;transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(35,88,224,.14),transparent 62%);opacity:0;transition:opacity .4s}

/* buttons */
.btn{position:relative;display:inline-flex;align-items:center;gap:11px;font-family:'JetBrains Mono',monospace;font-weight:500;font-size:.8rem;letter-spacing:.04em;text-transform:uppercase;padding:17px 28px;border:1.5px solid transparent;cursor:pointer;transition:all .22s var(--ease);min-height:52px;background:none}
.btn .arw{transition:transform .22s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:hover .arw{transform:translate(4px,-4px)}
.btn-acc{background:var(--acc);color:#fff;box-shadow:0 8px 30px -8px var(--glow)}
.btn-acc:hover{background:var(--acc-700);box-shadow:0 14px 44px -10px var(--glow)}
.btn-line{border-color:rgba(255,255,255,.26);color:#fff}
.btn-line:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn-sm{padding:12px 20px;min-height:44px;font-size:.74rem}

/* header / nav (shared) */
header.site{position:fixed;top:0;left:0;right:0;z-index:90;transition:background .3s var(--ease),border-color .3s var(--ease);border-bottom:1px solid transparent}
header.site.scrolled{background:rgba(23,23,27,.78);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:88px;gap:24px}
.logo{font-family:'Archivo';font-weight:900;font-size:1.5rem;letter-spacing:-.045em;color:#fff;text-transform:uppercase}
.logo .dot{color:var(--acc-2)}
.logo img{height:40px;width:auto;display:block}
@media(max-width:560px){.logo img{height:34px}}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-family:'JetBrains Mono',monospace;font-size:.82rem;letter-spacing:.06em;color:var(--grey-d);text-transform:uppercase;transition:color .15s;position:relative}
.nav-links .nav-soon{font-family:'JetBrains Mono',monospace;font-size:.82rem;letter-spacing:.06em;color:var(--grey);text-transform:uppercase;cursor:default;opacity:.55;position:relative}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--acc-2);transition:width .25s var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--acc-2)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{display:inline-flex;align-items:center;gap:9px;font-family:'JetBrains Mono',monospace;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:#fff;border:1.5px solid rgba(255,255,255,.22);padding:13px 22px;transition:all .2s var(--ease)}
.nav-cta:hover{background:var(--acc);border-color:var(--acc-2);box-shadow:0 8px 26px -8px var(--glow)}
.burger{display:none;background:none;border:0;color:#fff;font-size:1.5rem;cursor:pointer}
@media(max-width:920px){.nav-links{position:fixed;inset:88px 0 auto 0;background:rgba(23,23,27,.97);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);flex-direction:column;gap:0;padding:10px 0;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .35s var(--ease)}
 .nav-links.open{transform:none}.nav-links a,.nav-links .nav-soon{padding:16px 32px;font-size:.9rem;width:100%}.burger{display:block}}

/* HERO (home, full image) */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;z-index:0;will-change:transform}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:70% 55%}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ink) 4%,rgba(10,10,11,.82) 38%,rgba(10,10,11,.15) 72%,rgba(10,10,11,.5) 100%),linear-gradient(0deg,var(--ink) 1%,transparent 40%)}
.blob{position:absolute;border-radius:50%;filter:blur(70px);z-index:1;opacity:.5;will-change:transform;pointer-events:none}
.blob.a{width:420px;height:420px;background:radial-gradient(circle,rgba(35,88,224,.4),transparent 70%);top:-80px;right:6%}
.blob.b{width:340px;height:340px;background:radial-gradient(circle,rgba(79,144,245,.25),transparent 70%);bottom:-60px;left:-40px}
.hero-inner{position:relative;z-index:3;width:100%;padding-top:96px}
.hero h1{font-size:clamp(2.1rem,6vw,5.6rem);font-weight:900;max-width:18ch;margin:24px 0 0;letter-spacing:-.045em}
.hero .sub{font-size:clamp(1.08rem,1.55vw,1.36rem);color:#D2D2D6;max-width:56ch;margin:30px 0 0}
.hero .sub b{color:#fff;font-weight:600}
.hero-cta{display:flex;gap:14px;margin-top:42px;flex-wrap:wrap}
.ticker{margin-top:46px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;max-width:560px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.ticker .run{display:inline-flex;gap:34px;white-space:nowrap;padding:13px 0;font-family:'JetBrains Mono',monospace;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--grey-d);animation:scroll 22s linear infinite}
.ticker .run b{color:var(--acc-2);font-weight:500}
@keyframes scroll{to{transform:translateX(-50%)}}

/* PAGE HERO (subpages, consistent treatment, compact) */
.phero{position:relative;padding:150px 0 60px;border-bottom:1px solid var(--line);overflow:hidden}
.phero .pbg{position:absolute;inset:0;z-index:0;opacity:.32}
.phero .pbg img{width:100%;height:100%;object-fit:cover}
.phero .pbg::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,var(--ink),rgba(10,10,11,.5)),radial-gradient(120% 80% at 80% 0%,rgba(35,88,224,.10),transparent 60%)}
.phero .wrap{position:relative;z-index:2}
.phero h1{font-size:clamp(2.4rem,5.6vw,4.6rem);font-weight:900;max-width:18ch;margin:18px 0 0}
.phero .sub{color:#CFCFD4;max-width:60ch;margin-top:20px;font-size:clamp(1.02rem,1.4vw,1.22rem)}
.breadcrumb{font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--grey)}
.breadcrumb a:hover{color:#fff}.breadcrumb .sep{color:var(--acc-2);margin:0 8px}

/* sections */
.section{padding:clamp(72px,9vw,128px) 0;position:relative}
.section.tight{padding-top:0}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap;margin-bottom:54px}
.sec-head h2{font-size:clamp(2rem,4.4vw,3.4rem);max-width:18ch}
.sec-head .lead{color:var(--grey-d);max-width:42ch;font-size:1.05rem}

/* stat grid */
.stats-head{max-width:24ch;font-size:clamp(1.7rem,3.6vw,2.9rem);margin-bottom:14px}
.stats-sub{color:var(--grey-d);max-width:62ch;margin-bottom:56px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:860px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:var(--ink);padding:38px 28px;display:flex;flex-direction:column}
.stat .n{font-family:'Archivo';font-weight:900;font-size:clamp(2.4rem,5vw,3.6rem);letter-spacing:-.04em;line-height:1;color:#fff}
.stat .n .u{color:var(--acc-2)}
.stat .l{margin-top:14px;font-size:.9rem;color:var(--grey-d);line-height:1.45;flex:1;display:flex;flex-direction:column}
.src-note{grid-column:1/-1;background:var(--ink);padding:13px 28px;font-family:'JetBrains Mono',monospace;font-size:.47rem;letter-spacing:.08em;text-transform:uppercase;color:var(--grey)}
.stat-src{display:block;margin-top:auto;padding-top:14px;font-family:'JetBrains Mono',monospace;font-size:.45rem;line-height:1.4;letter-spacing:.03em;color:var(--grey);font-style:normal}
/* "rozwiń więcej" — collapsible block (open by default; site.js collapses on mobile) */
.more{margin:0}
.more>summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:9px;font-family:'JetBrains Mono',monospace;font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--acc-2);padding:14px 0;margin-bottom:8px;transition:color .15s}
.more>summary::-webkit-details-marker{display:none}
.more>summary:hover{color:#fff}
.more>summary .chev{transition:transform .25s var(--ease);font-size:.8em}
.more[open]>summary .chev{transform:rotate(180deg)}
.more>summary .lbl-open{display:none}.more[open]>summary .lbl-open{display:inline}.more[open]>summary .lbl-closed{display:none}
/* certyfikaty (warstwa dowodowa) */
.certs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
@media(max-width:760px){.certs{grid-template-columns:1fr}}
.cert{border:1px solid var(--line);background:var(--ink-2);padding:18px;display:flex;flex-direction:column;gap:12px}
.cert .thumb{aspect-ratio:1/1.3;background:var(--ink-3);border:1px solid var(--line);overflow:hidden;display:flex;align-items:center;justify-content:center}
.cert .thumb img{width:100%;height:100%;object-fit:cover;object-position:top}
.cert .thumb.ph{color:var(--grey);font-family:'JetBrains Mono',monospace;font-size:.72rem;text-align:center;padding:18px;letter-spacing:.06em;line-height:1.5}
.cert h4{font-family:'Archivo';font-weight:700;font-size:1.05rem;color:#fff}
.cert .meta{font-family:'JetBrains Mono',monospace;font-size:.64rem;letter-spacing:.05em;text-transform:uppercase;color:var(--grey);line-height:1.5}
/* sloty wideo realizacji (T-20/T-21) */
.video-slot{position:relative;aspect-ratio:16/9;border:1px solid var(--line);background-color:var(--ink-3);background-size:cover;background-position:center;overflow:hidden;display:flex;align-items:center;justify-content:center;margin:24px 0}
.video-slot video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.video-slot .vs-note{position:relative;z-index:1;font-family:'JetBrains Mono',monospace;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:#fff;display:inline-flex;align-items:center;gap:12px;background:rgba(23,23,27,.55);padding:11px 16px;border:1px solid rgba(255,255,255,.18)}
.video-slot .vs-play{width:42px;height:42px;border-radius:50%;border:2px solid #fff;display:inline-flex;align-items:center;justify-content:center;font-size:.85rem;flex:none}
.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}
@media(max-width:680px){.video-grid{grid-template-columns:1fr}}
.video-grid .video-slot{margin:0}
.video-grid figcaption{font-family:'JetBrains Mono',monospace;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--grey);margin-top:10px}
/* flow etapów end-to-end (T-18) */
.flow{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:6px 0 34px}
.flow .st{font-family:'JetBrains Mono',monospace;font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:#fff;border:1px solid var(--line);background:var(--ink-2);padding:11px 16px}
.flow .ar{color:var(--acc-2);font-weight:700}
@media(max-width:640px){.flow .ar{display:none}.flow{gap:8px}.flow .st{font-size:.68rem;padding:9px 12px}}
/* polityka prywatności (T-26) */
.legal{max-width:72ch}
.legal h2{font-size:1.15rem;margin:30px 0 8px;color:#fff}
.legal p{color:#CFCFD4;margin-bottom:6px;line-height:1.7}
.legal a{color:var(--acc-2);text-decoration:underline;text-underline-offset:2px}
.form .consent{display:flex;gap:10px;align-items:flex-start;font-size:.8rem;color:var(--grey-d);margin:6px 0 2px;line-height:1.5}
.form .consent input{margin-top:3px;flex:none;accent-color:var(--acc)}
.form .consent a{color:var(--acc-2);text-decoration:underline}
/* baner cookies (informacyjny) */
#cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:120;max-width:580px;margin:0 auto;background:var(--ink-2);border:1px solid var(--line);padding:15px 18px;display:flex;gap:14px;align-items:center;flex-wrap:wrap;box-shadow:0 18px 50px -12px rgba(0,0,0,.6)}
#cookie p{font-size:.82rem;color:var(--grey-d);flex:1;min-width:220px;margin:0;line-height:1.5}
#cookie a{color:var(--acc-2);text-decoration:underline}
#cookie button{font-family:'JetBrains Mono',monospace;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;background:var(--acc);color:#fff;border:0;padding:11px 20px;cursor:pointer}
#cookie button:hover{background:var(--acc-700)}
.stat-src a{color:var(--grey);text-decoration:underline;text-underline-offset:2px}

/* problem/proof card grid */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:980px){.grid4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid4{grid-template-columns:1fr}}
.pcard{background:var(--ink);padding:34px 30px 30px;min-height:300px;display:flex;flex-direction:column;cursor:pointer;position:relative;transition:background .25s var(--ease),transform .25s var(--ease)}
.pcard:hover{background:var(--ink-2)}
.pcard::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.pcard:hover::before{transform:scaleX(1)}
.pnum{font-family:'JetBrains Mono',monospace;font-size:.78rem;color:var(--acc-2);letter-spacing:.08em}
.pcard h3{font-family:'Archivo';font-weight:700;font-size:1.45rem;letter-spacing:-.02em;margin:18px 0 12px;color:#fff;line-height:1.05}
.pcard p{color:var(--grey-d);font-size:.96rem;flex:1}
.pcard .go{margin-top:18px;font-family:'JetBrains Mono',monospace;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:#fff;display:inline-flex;gap:9px;align-items:center}
.pcard .go .arw{color:var(--acc-2);transition:transform .22s var(--ease)}
.pcard:hover .go .arw{transform:translateX(6px)}

/* industries image cards */
.ind{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:860px){.ind{grid-template-columns:1fr}}
.icard{position:relative;overflow:hidden;min-height:440px;display:flex;flex-direction:column;justify-content:flex-end;padding:32px;cursor:pointer;border:1px solid var(--line)}
.icard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .7s var(--ease)}
.icard:hover img{transform:scale(1.07)}
.icard::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(0deg,rgba(8,8,9,.94) 6%,rgba(8,8,9,.45) 46%,rgba(8,8,9,.2) 100%);transition:background .4s var(--ease)}
.icard:hover::after{background:linear-gradient(0deg,rgba(8,8,9,.9) 6%,rgba(8,8,9,.3) 60%,rgba(35,88,224,.12) 100%)}
.icard .c{position:relative;z-index:2}
.icard .k{font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--acc-2)}
.icard h3{font-family:'Archivo';font-weight:800;font-size:1.9rem;letter-spacing:-.03em;margin:12px 0 8px;color:#fff}
.icard p{color:#CFCFD4;font-size:.95rem;max-width:34ch;max-height:0;opacity:0;overflow:hidden;transition:max-height .4s var(--ease),opacity .4s var(--ease),margin .4s var(--ease)}
.icard:hover p{max-height:140px;opacity:1;margin-top:6px}

/* manifest */
.manifest{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.manifest .mbg{position:absolute;inset:0;z-index:0;opacity:.5;will-change:transform}
.manifest .mbg img{width:100%;height:120%;object-fit:cover}
.manifest .mbg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ink) 10%,rgba(10,10,11,.6) 70%,rgba(10,10,11,.85))}
.manifest .wrap{position:relative;z-index:2;padding-top:clamp(80px,10vw,128px);padding-bottom:clamp(80px,10vw,128px)}
.manifest .q{font-family:'Archivo';font-weight:800;font-size:clamp(1.9rem,4.2vw,3.4rem);letter-spacing:-.035em;line-height:1.06;max-width:21ch;color:#fff}
.manifest .by{margin-top:26px;font-family:'JetBrains Mono',monospace;font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--grey)}

/* PoC steps */
.poc{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:center}
@media(max-width:860px){.poc{grid-template-columns:1fr;gap:34px}}
.poc h2{font-size:clamp(2rem,4.4vw,3.3rem);max-width:14ch}
.poc .big{font-family:'JetBrains Mono',monospace;color:var(--acc-2);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:20px;display:block}
.steps{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line)}
.step{background:var(--ink);padding:26px 28px;display:flex;gap:22px;align-items:flex-start;transition:background .25s var(--ease)}
.step:hover{background:var(--ink-2)}
.step .sn{font-family:'Archivo';font-weight:900;font-size:1.6rem;color:var(--acc-2);min-width:42px;line-height:1}
.step h4{font-family:'Archivo';font-weight:700;font-size:1.15rem;color:#fff;margin-bottom:5px}
.step p{color:var(--grey-d);font-size:.94rem}

/* marquee */
.marq{border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:22px 0;background:var(--ink-2)}
.marq .run{display:inline-flex;white-space:nowrap;animation:scroll 34s linear infinite}
.marq .run span{font-family:'Archivo';font-weight:800;font-size:clamp(1.3rem,2.4vw,2rem);letter-spacing:-.02em;color:#26262A;padding:0 30px}
.marq .run span .d{color:var(--acc-2)}
.marq:hover .run{animation-play-state:paused}

/* CTA band */
.cta-band{text-align:center;padding:clamp(86px,12vw,160px) 0;position:relative;overflow:hidden}
.cta-band .wrap{position:relative;z-index:2}
.cta-band .blob{filter:blur(90px);opacity:.4}
.cta-band h2{font-size:clamp(2.3rem,6vw,5rem);font-weight:900;max-width:18ch;margin:0 auto;letter-spacing:-.045em}
.cta-band .sub{color:var(--grey-d);margin:26px auto 42px;max-width:48ch;font-size:1.1rem}

/* ===== CASE STUDY listing ===== */
.filter-label{font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--grey);margin-bottom:14px}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.chip{font-family:'JetBrains Mono',monospace;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:#D8D8DC;border:1px solid var(--line);padding:10px 16px;cursor:pointer;transition:all .2s var(--ease);background:none}
.chip:hover{color:#fff;border-color:rgba(255,255,255,.4)}
.chip.active{background:var(--acc);border-color:var(--acc-2);color:#fff}
.cases{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:780px){.cases{grid-template-columns:1fr}}
.ccard{position:relative;overflow:hidden;border:1px solid var(--line);background:var(--ink-2);min-height:360px;display:flex;flex-direction:column;justify-content:flex-end;padding:30px;cursor:pointer;transition:transform .3s var(--ease),border-color .3s var(--ease)}
.ccard:hover{border-color:rgba(255,255,255,.28)}
.ccard .cimg{position:absolute;inset:0;z-index:0;opacity:.42;transition:opacity .4s var(--ease),transform .7s var(--ease)}
.ccard .cimg img{width:100%;height:100%;object-fit:cover}
.ccard:hover .cimg{opacity:.6;transform:scale(1.05)}
.ccard::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(0deg,var(--ink) 8%,rgba(10,10,11,.35) 70%)}
.ccard .cc{position:relative;z-index:2}
.ccard .tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.ccard .tag{font-family:'JetBrains Mono',monospace;font-size:.64rem;letter-spacing:.08em;text-transform:uppercase;color:#fff;border:1px solid rgba(255,255,255,.25);padding:5px 10px}
.ccard h3{font-family:'Archivo';font-weight:800;font-size:1.6rem;letter-spacing:-.025em;color:#fff;line-height:1.05}
.ccard .kpi{margin-top:14px;font-family:'JetBrains Mono',monospace;font-size:.8rem;color:var(--acc-2)}
.ccard .go{margin-top:16px;font-family:'JetBrains Mono',monospace;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;display:inline-flex;gap:8px;align-items:center}
.ccard .go .arw{color:var(--acc-2);transition:transform .22s var(--ease)}
.ccard:hover .go .arw{transform:translateX(6px)}
.ccard.hide{display:none}

/* ===== CASE STUDY detail ===== */
.cs-layout{display:grid;grid-template-columns:1fr 320px;gap:54px;align-items:start}
@media(max-width:900px){.cs-layout{grid-template-columns:1fr}}
.cs-body h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin:46px 0 16px}
.cs-body h2:first-child{margin-top:0}
.cs-body p{color:#CFCFD4;margin-bottom:16px;font-size:1.05rem}
.cs-body ul{list-style:none;margin:8px 0 20px}
.cs-body li{color:#CFCFD4;padding:9px 0 9px 26px;position:relative;border-bottom:1px solid var(--line)}
.cs-body li::before{content:"";position:absolute;left:0;top:18px;width:8px;height:8px;background:var(--acc)}
.cs-aside{position:sticky;top:100px;border:1px solid var(--line);background:var(--ink-2)}
.cs-aside .row{padding:18px 22px;border-bottom:1px solid var(--line)}
.cs-aside .row:last-child{border-bottom:0}
.cs-aside .k{font-family:'JetBrains Mono',monospace;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--grey)}
.cs-aside .v{color:#fff;margin-top:5px;font-weight:500}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin:24px 0}
@media(max-width:560px){.ba{grid-template-columns:1fr}}
.ba>div{background:var(--ink);padding:24px}
.ba .lbl{font-family:'JetBrains Mono',monospace;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}
.ba .before .lbl{color:var(--grey)}.ba .after .lbl{color:var(--acc-2)}
.result-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:18px 0 8px}
@media(max-width:560px){.result-kpis{grid-template-columns:1fr}}
.result-kpis>div{background:var(--ink);padding:26px 22px}
.result-kpis .n{font-family:'Archivo';font-weight:900;font-size:2.2rem;color:#fff;letter-spacing:-.03em}
.result-kpis .n .u{color:var(--acc-2)}
.result-kpis .l{color:var(--grey-d);font-size:.86rem;margin-top:8px}
.media-ph{border:1px dashed rgba(79,144,245,.4);background:rgba(35,88,224,.04);padding:48px;text-align:center;font-family:'JetBrains Mono',monospace;font-size:.78rem;letter-spacing:.06em;color:var(--acc-2);margin:24px 0}
/* prev/next case nav */
.case-nav{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-top:1px solid var(--line)}
@media(max-width:640px){.case-nav{grid-template-columns:1fr}}
.case-nav a{background:var(--ink);padding:38px 32px;transition:background .25s var(--ease)}
.case-nav a:hover{background:var(--ink-2)}
.case-nav .dir{font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--acc-2)}
.case-nav .t{font-family:'Archivo';font-weight:700;font-size:1.3rem;color:#fff;margin-top:8px}
.case-nav .next{text-align:right}

/* competencies list */
.comp{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:760px){.comp{grid-template-columns:1fr}}
.comp .c{background:var(--ink);padding:34px 32px;display:flex;gap:24px;transition:background .25s var(--ease)}
.comp .c:hover{background:var(--ink-2)}
.comp .num{font-family:'Archivo';font-weight:900;font-size:1.5rem;color:var(--acc-2);min-width:46px;line-height:1}
.comp h3{font-family:'Archivo';font-weight:700;font-size:1.3rem;color:#fff;margin-bottom:8px}
.comp p{color:var(--grey-d);font-size:.96rem}

/* forms */
.form{display:grid;gap:18px;max-width:640px}
.field label{display:block;font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--grey-d);margin-bottom:8px}
.field input,.field textarea{width:100%;background:var(--ink-2);border:1px solid var(--line);color:#fff;padding:15px 16px;font-family:'Inter',sans-serif;font-size:1rem;transition:border-color .2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--acc-2)}
.field textarea{min-height:130px;resize:vertical}
.pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{font-family:'JetBrains Mono',monospace;font-size:.74rem;letter-spacing:.04em;text-transform:uppercase;color:var(--grey-d);border:1px solid var(--line);padding:12px 18px;cursor:pointer;transition:all .2s var(--ease);background:none}
.pill:hover{color:#fff}
.pill.active{background:var(--acc);border-color:var(--acc-2);color:#fff}
.micro{font-family:'JetBrains Mono',monospace;font-size:.72rem;color:var(--grey)}

/* footer */
.foot{background:var(--ink-2);border-top:1px solid var(--line);padding:72px 0 36px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot h4{font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--grey);margin-bottom:18px}
.foot a{color:var(--grey-d);display:block;padding:5px 0;transition:color .15s;font-size:.95rem}
.foot a:hover{color:#fff}
.foot .big{font-family:'Archivo';font-weight:900;font-size:1.6rem;color:#fff;letter-spacing:-.04em;text-transform:uppercase}
.foot .big .dot{color:var(--acc-2)}
.foot .big img{height:34px;width:auto;display:block}
.foot .addr{color:var(--grey-d);font-size:.95rem;margin-top:14px;line-height:1.7}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:54px;padding-top:24px;border-top:1px solid var(--line);font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--grey)}

/* proposal tag */
.protag{background:var(--ink);border-top:1px solid var(--line);padding:18px 0;text-align:center;font-family:'JetBrains Mono',monospace;font-size:.68rem;letter-spacing:.08em;color:var(--grey);text-transform:uppercase}
.protag .acc{color:var(--acc-2)}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
 .rv{opacity:1;transform:none;transition:none}
 .ticker .run,.marq .run{animation:none}
 .blob,#cursor{display:none}
}

/* ===== mobile / small-screen refinements ===== */
@media(max-width:600px){
 .wrap{padding:0 20px}
 .hero-inner{padding-top:80px}
 .hero-cta{gap:12px}
 .hero-cta .btn{flex:1 1 100%;justify-content:center}
 .sec-head{margin-bottom:36px;gap:20px}
 .phero{padding:120px 0 48px}
 .ticker{max-width:100%}
 .nav{gap:12px}
 .nav-cta{padding:10px 14px;font-size:.68rem}
 .foot{padding:56px 0 30px}
}
@media(max-width:460px){
 .stats{grid-template-columns:1fr}
 .grid4{grid-template-columns:1fr}
 .cs-aside{position:static}
}
@media(max-width:380px){
 .logo{font-size:1.3rem}
 .nav-cta{padding:9px 12px}
 .stat{padding:28px 20px}
 .icard{min-height:380px;padding:26px}
}
/* touch devices: disable hover-only cursor glow + tilt jitter */
@media(hover:none){
 #cursor{display:none}
}

/* ============================================================
   RUNDA UI 2 (2026-06-17) — HYBRYDA jasne/ciemne + faktura
   T-34: jasne sekcje treści (.light) · T-35: gradient + blueprint (.dark)
   Wyłącznie warstwa wizualna. Tokeny przełączane w obrębie .light,
   więc komponenty współdzielone i inline'owe var(--line)/var(--grey*)
   przechodzą na jasny motyw automatycznie.
   ============================================================ */

/* ---- T-34 · sekcje jasne ---- */
.light{
  background:var(--paper);
  color:var(--ink-text);
  --line:var(--line-d);
  --grey:#63636B;
  --grey-d:#4A4A52;
  --acc-2:#2358E0;                 /* akcent tekstowy czytelny na papierze (≥4.5:1) */
  --grad:linear-gradient(115deg,#173FB0 0%,#2358E0 100%);
  --c-body:var(--ink-soft);
  --c-strong:var(--ink-text);
}
.light.alt{background:var(--paper-2)}

/* nagłówki i mocne teksty (literalne #fff w regułach bazowych) */
.light :is(h1,h2,h3,h4){color:var(--ink-text)}
.light .stat .n,
.light .result-kpis .n,
.light .cs-aside .v,
.light .case-nav .t,
.light .flow .st{color:var(--ink-text)}
.light .sec-head .lead,
.light .legal p,
.light .cs-body p,
.light .cs-body li{color:var(--ink-soft)}
.light .chip{color:var(--ink-text)}
.light .more>summary:hover{color:var(--ink-text)}

/* powierzchnie kart na jasnym (białe karty + ciemne hairline z gapów siatki) */
.light .pcard,
.light .stat,
.light .src-note,
.light .step,
.light .comp .c,
.light .cert,
.light .cs-aside,
.light .flow .st,
.light .ba>div,
.light .result-kpis>div,
.light .case-nav a{background:var(--surface)}
.light .cert .thumb{background:var(--surface-2)}
.light .field input,
.light .field textarea{background:var(--surface);color:var(--ink-text)}

/* hover kart — subtelny papierowy odcień zamiast rozjaśnienia na ciemnym */
.light .pcard:hover,
.light .step:hover,
.light .comp .c:hover,
.light .case-nav a:hover{background:var(--surface-2)}

/* przyciski liniowe na jasnym (białe obramowanie znikałoby) */
.light .btn-line{border-color:var(--line-d);color:var(--ink-text)}
.light .btn-line:hover{border-color:var(--ink-text);background:rgba(20,20,25,.05)}

/* listing realizacji: kafle obrazkowe pozostają ciemne na jasnym tle (jak .icard) */
.light .ccard{--acc-2:#4F90F5;color:#D8D8DC}
.light .ccard h3{color:#fff}
.light .ccard .go{color:#fff}

/* ---- T-35 · faktura pod czernią + rozjaśnienie granatu ---- */
/* gradient grafit → ciemny granat (rozjaśnienie martwej czerni) */
.dark{
  background-image:linear-gradient(160deg,#17171B 0%,#1A1C24 45%,#202637 100%);
  position:relative;
}
.dark>.wrap{position:relative;z-index:1}
/* lekka siatka blueprint — wytapiana maską od góry, pod treścią, bez JS/obrazów */
.dark::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(79,144,245,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(79,144,245,.05) 1px,transparent 1px);
  background-size:42px 42px;
  -webkit-mask-image:radial-gradient(120% 100% at 50% 0%,#000,transparent 75%);
          mask-image:radial-gradient(120% 100% at 50% 0%,#000,transparent 75%);
}

/* hero / phero / manifest mają zdjęcie → pattern pomijamy, dokładamy głębię granatu w overlayu */
.phero{background-image:linear-gradient(160deg,#17171B 0%,#1A1C24 45%,#202637 100%)}
.hero-bg::after{
  background:
    linear-gradient(90deg,#14161E 4%,rgba(20,22,30,.82) 38%,rgba(20,22,30,.15) 72%,rgba(23,27,40,.5) 100%),
    linear-gradient(0deg,#15171F 1%,transparent 40%);
}
.phero .pbg::after{
  background:linear-gradient(0deg,#15171F,rgba(20,22,30,.5)),radial-gradient(120% 80% at 80% 0%,rgba(35,88,224,.12),transparent 60%);
}
.manifest .mbg::after{
  background:linear-gradient(90deg,#15171F 10%,rgba(22,25,34,.6) 70%,rgba(26,30,44,.85));
}

/* ── Certyfikaty: linki w stopce + modal (pop-up skanu) ── */
.certs-links{display:flex;flex-wrap:wrap;gap:2px 4px;align-items:center}
.cert-link{font:inherit;color:var(--grey-d);background:none;border:0;padding:0;margin:0;cursor:pointer;text-align:left;border-bottom:1px solid transparent;transition:color .15s,border-color .15s}
.cert-link:hover,.cert-link:focus-visible{color:#fff;border-bottom-color:var(--acc-2)}
.cert-sep{color:var(--grey)}
#certModal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:28px;background:rgba(10,10,14,.82);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
#certModal[hidden]{display:none}
.cert-dialog{background:var(--ink-2);border:1px solid var(--line);max-width:760px;width:100%;max-height:92vh;display:flex;flex-direction:column;box-shadow:0 30px 80px -20px rgba(0,0,0,.7);animation:certIn .22s var(--ease)}
@keyframes certIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.cert-dialog .cert-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;border-bottom:1px solid var(--line)}
.cert-dialog .cert-title{font-family:'JetBrains Mono',monospace;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--grey-d);line-height:1.45}
.cert-dialog .cert-close{font-family:'JetBrains Mono',monospace;font-size:.9rem;line-height:1;color:var(--grey-d);background:none;border:1px solid var(--line);width:34px;height:34px;flex:none;cursor:pointer;transition:color .15s,border-color .15s}
.cert-dialog .cert-close:hover,.cert-dialog .cert-close:focus-visible{color:#fff;border-color:var(--acc-2)}
.cert-dialog .cert-body{overflow:auto;padding:18px;background:var(--ink-3)}
.cert-dialog .cert-body img{display:block;max-width:100%;height:auto;margin:0 auto;background:#fff}
@media(prefers-reduced-motion:reduce){.cert-dialog{animation:none}}