:root{
  --bg:#0A0B0E; --surface:#111318; --surface-2:#15171D; --surface-3:#1A1D24;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14);
  --fg:#EDEEF1; --fg-2:#B4BAC4; --fg-3:#828A97; --fg-4:#575E6A;
  --accent:#7A82E6; --accent-2:#8B92EA; --accent-deep:#5056D6; --accent-soft:rgba(122,130,230,.12); --accent-line:rgba(122,130,230,.4);
  --ok:#43BD80;
  --shadow-2:0 8px 28px rgba(0,0,0,.4);
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI Variable Display","Segoe UI",Inter,Roboto,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.22,.08,.22,1);
  color-scheme:dark;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:15.5px;line-height:1.6;-webkit-font-smoothing:antialiased;letter-spacing:-0.008em;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{margin:0;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}
:where(a,button,summary):focus-visible{outline:none;box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--accent);border-radius:8px;}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px;}
.micro{font-size:11.5px;font-weight:650;letter-spacing:.11em;text-transform:uppercase;color:var(--fg-4);}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}.reveal{opacity:1!important;transform:none!important}}

.nav{position:sticky;top:0;z-index:50;background:rgba(10,11,14,.75);backdrop-filter:blur(16px) saturate(1.5);border-bottom:1px solid var(--line);}
.nav-in{max-width:1120px;margin:0 auto;padding:14px 28px;display:flex;align-items:center;gap:26px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:16.5px;letter-spacing:-0.03em;color:var(--fg);}
.nav .links{display:flex;gap:4px;}
.nav .links a{padding:7px 12px;border-radius:8px;font-size:13.5px;font-weight:520;color:var(--fg-2);transition:background .15s var(--ease),color .15s var(--ease);}
.nav .links a:hover{background:var(--accent-soft);color:var(--fg);}
.nav .links a[aria-current="page"]{background:var(--accent-soft);color:var(--fg);}
.nav .sp{flex:1;}
.btn{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;line-height:1;padding:11px 19px;border-radius:10px;cursor:pointer;border:1px solid transparent;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);}
.btn.sm{padding:8px 14px;font-size:13px;border-radius:8px;}
.btn.solid{background:var(--accent-deep);color:#fff;box-shadow:0 1px 2px rgba(80,86,214,.4),0 6px 18px rgba(80,86,214,.28);}
.btn.solid:hover{background:#5B61DC;transform:translateY(-1px);box-shadow:0 2px 4px rgba(80,86,214,.45),0 10px 26px rgba(80,86,214,.34);}
.btn.quiet{background:var(--surface);border-color:var(--line-2);color:var(--fg);}
.btn.quiet:hover{transform:translateY(-1px);background:var(--surface-2);}
.btn.ghost{color:var(--fg-2);} .btn.ghost:hover{background:var(--accent-soft);color:var(--fg);}

/* hero */
.hero{position:relative;text-align:center;padding:96px 0 76px;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-halo{position:absolute;left:50%;top:-320px;transform:translateX(-50%);width:1100px;height:700px;background:radial-gradient(closest-side,rgba(122,130,230,.14),transparent 70%);pointer-events:none;}
.hero .wrap{position:relative;}
@keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}
.hero .crumb{font-family:var(--mono);font-size:12.5px;color:var(--fg-4);animation:rise .8s var(--ease) .02s both;}
.hero .crumb a{color:var(--fg-3);} .hero .crumb a:hover{color:var(--accent);}
.hero h1{font-size:clamp(36px,5.4vw,62px);line-height:1.05;letter-spacing:-0.042em;font-weight:780;margin:18px auto 0;max-width:18ch;animation:rise .8s var(--ease) .1s both;}
.hero .sub{font-size:clamp(16px,1.6vw,18px);color:var(--fg-2);max-width:56ch;margin:24px auto 0;line-height:1.62;animation:rise .8s var(--ease) .2s both;}
.hero .cta{display:flex;justify-content:center;align-items:center;gap:16px;margin-top:36px;flex-wrap:wrap;animation:rise .8s var(--ease) .3s both;}

/* sections */
.sec{padding:92px 0;}
.sechead{text-align:center;max-width:62ch;margin:0 auto 50px;}
.sechead h2{font-size:clamp(26px,3.2vw,38px);letter-spacing:-0.038em;font-weight:740;line-height:1.1;margin-top:16px;color:var(--fg);}
.sechead p{color:var(--fg-2);font-size:15.5px;margin:16px auto 0;max-width:56ch;line-height:1.6;}
.sechead .micro{color:var(--accent);}

/* port tiles */
.portgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.ptile{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px 24px;text-align:center;transition:transform .25s var(--ease),border-color .25s var(--ease);position:relative;overflow:hidden;}
.ptile:hover{transform:translateY(-4px);border-color:var(--accent-line);}
.ptile::before{content:'';position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:0;transition:opacity .25s var(--ease);}
.ptile:hover::before{opacity:1;}
.ptile .spd{font-family:var(--mono);font-size:clamp(26px,3vw,34px);font-weight:750;letter-spacing:-0.03em;color:var(--fg);}
.ptile .lbl{font-size:12.5px;color:var(--fg-3);margin-top:8px;line-height:1.5;}
.ptile .bar{height:7px;border-radius:4px;background:var(--surface-3);overflow:hidden;margin-top:18px;}
.ptile .bar i{display:block;position:relative;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--accent-deep),var(--accent));width:0;transition:width 1s var(--ease);overflow:hidden;}
.ptile .bar i::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);transform:translateX(-110%);}
.in .ptile .bar i::after{animation:shine 3.4s var(--ease) 1.8s infinite;}
@keyframes shine{55%,100%{transform:translateX(110%)}}
.in .ptile:nth-child(1) .bar i{width:12%;transition-delay:.15s}
.in .ptile:nth-child(2) .bar i{width:30%;transition-delay:.28s}
.in .ptile:nth-child(3) .bar i{width:62%;transition-delay:.41s}
.in .ptile:nth-child(4) .bar i{width:100%;transition-delay:.54s}
.portnote{text-align:center;font-size:13px;color:var(--fg-4);margin-top:22px;}

/* spec table */
.spec{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;max-width:840px;margin:0 auto;}
.spec .row{display:grid;grid-template-columns:240px 1fr;gap:20px;padding:16px 28px;border-top:1px solid var(--line);transition:background .15s var(--ease);}
.spec .row:first-child{border-top:0;}
.spec .row:hover{background:var(--surface-2);}
.spec .k{font-family:var(--mono);font-size:12.5px;color:var(--fg-4);padding-top:2px;}
.spec .v{font-size:14.5px;color:var(--fg-2);line-height:1.55;}
.spec .v b{color:var(--fg);font-weight:650;}

/* IX strip */
.ixstrip{padding:0;text-align:center;}
.ixrow{display:flex;justify-content:center;align-items:stretch;gap:16px;flex-wrap:wrap;}
.ixitem{text-align:center;}
.ixchip{display:flex;align-items:center;justify-content:center;background:#FFFFFF;border-radius:14px;height:64px;min-width:132px;padding:14px 22px;transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.ixitem:hover .ixchip{transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,.45);}
.ixchip svg{height:30px;width:auto;display:block;}
.ixchip img{height:28px;width:auto;display:block;}
.ixitem .c{font-size:11.5px;color:var(--fg-4);margin-top:9px;}
.ixitem.hub .c{color:var(--accent);}

/* band: uruchomienie */
.band{background:#0D0E14;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:100px 0;position:relative;overflow:hidden;}
.band::before{content:'';position:absolute;left:50%;top:-260px;transform:translateX(-50%);width:900px;height:520px;background:radial-gradient(closest-side,rgba(122,130,230,.13),transparent 70%);}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:8px;}
.fstep{position:relative;text-align:center;padding:0 18px;}
.fstep .dot{width:46px;height:46px;margin:0 auto;border-radius:50%;border:1px solid var(--accent-line);background:#12141C;display:grid;place-items:center;font-family:var(--mono);font-size:13px;font-weight:700;color:#9BA3F0;position:relative;z-index:1;}
.fstep::before{content:'';position:absolute;top:22px;left:calc(-50% + 23px);width:calc(100% - 46px);height:2px;background-image:repeating-linear-gradient(90deg,rgba(122,130,230,.45) 0 6px,transparent 6px 12px);animation:march 1.1s linear infinite;}
@keyframes march{to{background-position:12px 0}}
.fstep:first-child::before{display:none;}
.fstep h3{font-size:15px;font-weight:680;margin:16px 0 6px;letter-spacing:-0.02em;color:var(--fg);}
.fstep p{font-size:12.5px;color:#9098A6;line-height:1.55;margin:0;max-width:26ch;margin-inline:auto;}

/* cross-sell */
.xsell{padding:92px 0 0;}
.xcard{background:linear-gradient(150deg,rgba(122,130,230,.1),var(--surface) 55%);border:1px solid var(--accent-line);border-radius:20px;padding:36px 40px;display:flex;align-items:center;gap:28px;flex-wrap:wrap;}
.xcard .tx{flex:1;min-width:260px;}
.xcard h2{font-size:clamp(20px,2.4vw,26px);letter-spacing:-0.03em;font-weight:720;color:var(--fg);}
.xcard p{color:var(--fg-2);font-size:14px;margin:10px 0 0;line-height:1.6;max-width:60ch;}

/* FAQ */
.faq{max-width:760px;margin:0 auto;}
.faq details{border:1px solid var(--line);border-radius:14px;background:var(--surface);margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease);}
.faq details:hover{border-color:var(--line-2);}
.faq details[open]{border-color:var(--accent-line);}
.faq summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:14px;padding:18px 22px;font-size:15px;font-weight:620;color:var(--fg);}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:'+';margin-left:auto;font-family:var(--mono);font-size:18px;color:var(--fg-4);transition:transform .25s var(--ease),color .25s var(--ease);}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--accent);}
.faq .a{padding:0 22px 20px;font-size:14px;color:var(--fg-2);line-height:1.65;max-width:64ch;}

/* kontakt */
.contact{padding:92px 0 118px;text-align:center;}
.contact .card{background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-2);padding:clamp(40px,6vw,72px) 32px;position:relative;overflow:hidden;}
.contact .card::before{content:'';position:absolute;left:50%;top:-200px;transform:translateX(-50%);width:700px;height:400px;background:radial-gradient(closest-side,var(--accent-soft),transparent 70%);}
.contact .micro{color:var(--accent);position:relative;}
.contact h2{position:relative;font-size:clamp(26px,3.4vw,40px);letter-spacing:-0.038em;font-weight:740;line-height:1.12;max-width:22ch;margin:14px auto 0;color:var(--fg);}
.contact .sub{position:relative;color:var(--fg-2);font-size:15.5px;max-width:54ch;margin:18px auto 0;line-height:1.6;}
.contact .cta{position:relative;margin-top:32px;}
.contact .tech{position:relative;display:flex;justify-content:center;gap:clamp(20px,4vw,56px);flex-wrap:wrap;margin-top:44px;padding-top:32px;border-top:1px solid var(--line);}
.contact .tech .t{text-align:center;}
.contact .tech .l{font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--fg-4);font-weight:650;}
.contact .tech .v{font-family:var(--mono);font-size:13.5px;color:var(--fg-2);margin-top:6px;}

/* footer */
.foot{border-top:1px solid var(--line);padding:56px 0 44px;background:#0D0E14;}
.foot .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.foot h5{font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--fg-4);margin:0 0 14px;font-weight:680;}
.foot a{display:block;color:var(--fg-3);font-size:13.5px;padding:5px 0;} .foot a:hover{color:var(--accent);}
.foot a.brand{display:inline-flex;align-items:center;gap:10px;color:var(--fg);font-size:16px;font-weight:700;padding:0;} .foot a.brand:hover{color:var(--fg);}
.foot .bot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:42px;padding-top:24px;border-top:1px solid var(--line);color:var(--fg-4);font-size:12.5px;}

@media(max-width:960px){
  .portgrid{grid-template-columns:1fr 1fr;}
  .flow{grid-template-columns:1fr;gap:26px;}
  .fstep::before{display:none;}
  .fstep{text-align:left;display:grid;grid-template-columns:46px 1fr;gap:16px;padding:0;}
  .fstep .dot{margin:0;}
  .fstep h3{margin-top:2px;}
  .fstep p{margin-inline:0;max-width:none;}
  .fstep > div{grid-column:2;}
  .spec .row{grid-template-columns:1fr;gap:6px;}
}
@media(max-width:640px){
  .nav .links{display:none;}
  .portgrid{grid-template-columns:1fr;}
  .foot .cols{grid-template-columns:1fr 1fr;}
  .ixchip{min-width:112px;height:56px;padding:12px 16px;}
  .ixchip svg{height:24px;} .ixchip img{height:22px;}
  .xcard{padding:28px 24px;}
}

/* --- utility classes added when porting to web/site (CSP: no inline style=) --- */
.foot-tag{color:var(--fg-3);font-size:13px;max-width:38ch;margin:14px 0 0}
.sec-notop{padding-top:0}