:root{
      --bg:#0a0a16; --bg2:#0c0c1c;
      --ink:#0e1020; --ink-soft:#3a4152; --muted:#5b6472; --faint:#8b93a4;
      --line:#e7e9f0; --line-strong:#d7dae4;
      --surface:#ffffff; --surface-2:#f6f7fb;
      --v1:#8b5cf6; --v2:#6366f1; --b1:#3b82f6;
      --grad:linear-gradient(135deg,#7c3aed 0%,#8b5cf6 40%,#a63ad8 74%,#d6479f 100%);
      --font-d:"Space Grotesk",system-ui,sans-serif;
      --font-b:"Inter",system-ui,sans-serif;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth;scroll-padding-top:186px}
    body{font-family:var(--font-b);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
    .disp{font-family:var(--font-d);letter-spacing:-.02em;line-height:1.05}
    .eyebrow{font-family:var(--font-d);text-transform:uppercase;letter-spacing:.22em;font-size:12px;font-weight:600;color:var(--v2)}
    .grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

    /* ---------- Buttons ---------- */
    .btn{display:inline-flex;align-items:center;gap:.6em;font-family:var(--font-d);font-weight:600;font-size:15px;
      padding:14px 26px;border-radius:12px;cursor:pointer;border:1px solid transparent;transition:transform .2s ease,box-shadow .3s ease,background .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 30px -10px rgba(99,102,241,.7)}
    .btn-grad:hover{box-shadow:0 16px 40px -12px rgba(99,102,241,.85)}
    .btn-ghost{background:rgba(255,255,255,.04);color:#eef;border-color:rgba(255,255,255,.18)}
    .btn-ghost:hover{background:rgba(255,255,255,.09)}
    .btn-arrow svg{transition:transform .2s}
    .btn:hover .btn-arrow svg,.btn:hover>svg{transform:translateX(3px)}

    /* ---------- Header ---------- */
    header{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .3s,border-color .3s,backdrop-filter .3s;border-bottom:1px solid transparent}
    header.scrolled{background:rgba(10,10,22,.82);backdrop-filter:blur(14px);border-bottom-color:rgba(255,255,255,.08)}
    .nav{display:flex;align-items:center;justify-content:space-between;height:174px}
    .brand{display:flex;align-items:center;line-height:1;-webkit-user-select:none;user-select:none}
    .brand-logo{height:150px;width:auto;display:block;-webkit-user-drag:none;user-select:none;pointer-events:none}
    footer .brand-logo{height:60px}
    .nav-links{display:flex;gap:34px}
    .nav-links a{font-size:15px;color:#c7cbdb;font-weight:500;position:relative;padding:4px 0;transition:color .2s}
    .nav-links a:hover,.nav-links a.active{color:#fff}
    .nav-links a.active::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;border-radius:2px;background:var(--grad)}
    .nav-cta{display:flex;align-items:center;gap:16px}
    .burger{display:none;background:none;border:0;cursor:pointer;padding:6px}
    .burger span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;border-radius:2px;transition:.3s}

    /* ---------- Hero ---------- */
    .hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:var(--bg)}
    .hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
    .hero-fallback{position:absolute;inset:0;z-index:0;background:
      radial-gradient(60% 60% at 78% 45%,rgba(124,58,237,.35),transparent 60%),
      radial-gradient(50% 50% at 90% 60%,rgba(59,130,246,.3),transparent 60%),
      #06060f}
    .hero-scrim{position:absolute;inset:0;z-index:1;background:
      linear-gradient(90deg,rgba(6,6,14,.95) 0%,rgba(6,6,14,.8) 34%,rgba(6,6,14,.25) 60%,rgba(6,6,14,.55) 100%);}
    .hero-scrim.bottom{background:linear-gradient(180deg,rgba(6,6,14,.55) 0%,transparent 22%,transparent 70%,rgba(6,6,14,.85) 100%)}
    .hero-inner{position:relative;z-index:2;width:100%;padding:200px 0 70px}
    .hero-copy{max-width:620px}
    .hero h1{font-size:clamp(40px,6vw,72px);font-weight:700;color:#fff}
    .hero p.lead{margin-top:22px;font-size:19px;line-height:1.6;color:#c3c7d6;max-width:480px}
    .hero-actions{margin-top:36px;display:flex;flex-wrap:wrap;gap:14px}
    .social{margin-top:34px;display:flex;align-items:center;gap:14px}
    .clients{display:flex}
    .clients .chip{width:46px;height:46px;border-radius:50%;border:2px solid #0a0a16;margin-left:-14px;display:grid;place-items:center;box-shadow:0 2px 8px rgba(0,0,0,.4);transition:transform .2s}
    .clients .chip:nth-child(1){background:linear-gradient(135deg,#a78bfa,#7c3aed)}
    .clients .chip:nth-child(2){background:linear-gradient(135deg,#60a5fa,#2563eb)}
    .clients .chip:nth-child(3){background:linear-gradient(135deg,#f472b6,#db2777)}
    .clients .chip:nth-child(4){background:linear-gradient(135deg,#2dd4bf,#0d9488)}
    .clients .chip:first-child{margin-left:0}
    .clients .chip:hover{transform:translateY(-3px)}
    .clients .chip img{width:26px;height:26px;object-fit:contain;display:block}
    .social b{color:#fff}
    .social small{color:#aeb4c6;font-size:14px}

    /* ---------- Sections ---------- */
    section.light{background:var(--surface-2);color:var(--ink);position:relative;overflow:hidden}
    .sec-pad{padding:110px 0}
    .sec-head{text-align:center;max-width:640px;margin:0 auto 56px}
    .sec-head h2{font-family:var(--font-d);font-weight:700;font-size:clamp(28px,4vw,42px);margin-top:14px;color:var(--ink)}
    .sec-head p{margin-top:14px;color:var(--muted);font-size:17px;line-height:1.6}

    /* Services */
    .services{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
    #uslugi .wrap{max-width:1380px}
    .card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px 24px;transition:transform .25s,box-shadow .25s,border-color .25s}
    .card:hover{transform:translateY(-6px);box-shadow:0 24px 50px -28px rgba(30,30,60,.4);border-color:var(--line-strong)}
    .svc-icon{width:78px;height:78px;display:grid;place-items:center;margin:0 auto 16px}
    .svc-icon img{width:78px;height:78px;object-fit:contain;display:block}
    .card h3{font-family:var(--font-d);font-size:17px;font-weight:600;margin-bottom:10px;white-space:nowrap;text-align:center}
    .card p{color:var(--muted);font-size:14.5px;line-height:1.6}
    .card .go{margin-top:18px;display:flex;justify-content:center}
    .card:hover .go svg{transform:translateX(4px)}
    .card .go svg{transition:transform .2s}

    /* Projects */
    .projects{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
    .proj{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:4/5;display:flex;align-items:flex-end;padding:22px;color:#fff;isolation:isolate;transition:transform .3s}
    .proj:hover{transform:translateY(-6px)}
    .proj::before{content:"";position:absolute;inset:0;z-index:-2}
    .proj::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,transparent 30%,rgba(6,6,16,.85) 100%)}
    .proj.p1::before{background:radial-gradient(120% 90% at 30% 20%,#1e293b,#0b1220 70%)}
    .proj.p2::before{background:radial-gradient(120% 90% at 60% 30%,#3b3168,#141024 70%)}
    .proj.p3::before{background:radial-gradient(120% 90% at 50% 30%,#312e81,#0f1030 70%)}
    .proj.p4::before{background:radial-gradient(120% 90% at 40% 30%,#14532d,#08130c 70%)}
    .proj.pkajo::before{background:url('project-kajo.png') center 42%/cover no-repeat}
    .proj .tag{font-family:var(--font-d);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#c9cffb;opacity:.9}
    .proj .row{display:flex;align-items:center;justify-content:space-between;width:100%}
    .proj h3{font-family:var(--font-d);font-size:20px;font-weight:600;margin-top:6px}
    .proj .arw{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.12);display:grid;place-items:center;transition:background .2s}
    .proj:hover .arw{background:var(--grad)}
    .center{text-align:center;margin-top:48px}

    /* Process */
    section.process{background:var(--bg2);color:#fff;position:relative;overflow:hidden}
    .wave-top{position:absolute;top:-1px;left:0;width:100%;height:90px;display:block;z-index:1}
    @media(max-width:640px){.wave-top{height:56px}}
    /* Pływające piksele po bokach sekcji */
    .px-deco{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
    section>.wrap{position:relative;z-index:2}
    .px-deco i{position:absolute;display:block;border-radius:2px;opacity:var(--o,.85);animation:pxfloat var(--d,9s) ease-in-out var(--dl,0s) infinite}
    @keyframes pxfloat{
      0%{transform:translateY(0) rotate(0deg)}
      50%{transform:translateY(-18px) rotate(6deg)}
      100%{transform:translateY(0) rotate(0deg)}
    }
    @media(max-width:820px){.px-deco{display:none}}
    @media(prefers-reduced-motion:reduce){.px-deco i{animation:none;opacity:var(--o,.4)}}
    section.process .sec-head h2{color:#fff}
    section.process .sec-head p{color:#a7adc0}
    .steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative}
    .step{position:relative;overflow:hidden;border:1px solid transparent;border-radius:18px;padding:28px 22px 26px;background:rgba(255,255,255,.025);text-align:left;transition:transform .3s}
    .step::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:var(--grad);opacity:.38;-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;transition:opacity .3s}
    .step:hover{transform:translateY(-6px)}
    .step:hover::before{opacity:1}
    .step .bignum{position:absolute;top:6px;right:16px;font-family:var(--font-d);font-weight:700;font-size:62px;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.13;pointer-events:none}
    .step .ic{width:44px;height:44px;border-radius:12px;background:var(--grad);display:grid;place-items:center;color:#fff;box-shadow:0 10px 26px -8px rgba(124,58,237,.6);margin-bottom:20px;position:relative;z-index:1}
    .step .ic svg{width:21px;height:21px}
    .step h3{font-family:var(--font-d);font-size:17px;font-weight:600;margin-bottom:10px;color:#fff;position:relative;z-index:1}
    .step p{color:#9ea4b8;font-size:13.5px;line-height:1.6;position:relative;z-index:1}
    .parrow{position:absolute;width:150px;height:48px;transform:translateX(-50%);z-index:3;pointer-events:none;display:none}
    .parrow svg{width:100%;height:100%;overflow:visible}
    .parrow.a1{left:20%} .parrow.a2{left:40%} .parrow.a3{left:60%} .parrow.a4{left:80%}
    .parrow.top{top:-28px} .parrow.bot{bottom:-28px}
    @media(min-width:1001px){.parrow{display:block}}
    @media(max-width:600px){.steps{grid-template-columns:1fr}}

    /* ---------- Contact ---------- */
    section.contact{background:var(--bg);color:#fff;position:relative;overflow:hidden}
    .contact-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:56px;align-items:start;position:relative;z-index:2}
    .contact-left .eyebrow{display:block;margin-bottom:18px}
    .contact-title{font-family:var(--font-d);font-weight:700;font-size:clamp(32px,3.6vw,52px);line-height:1.05;letter-spacing:-.02em}
    .contact-lead{margin:20px 0 34px;color:#c2c7dc;font-size:17px;line-height:1.65;max-width:520px}
    /* atuty */
    .usp-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-bottom:34px}
    .usp{padding:0 22px;position:relative}
    .usp:first-child{padding-left:0}
    .usp+.usp::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:1px;background:rgba(255,255,255,.1)}
    .usp-ic{width:46px;height:46px;color:var(--v1);margin-bottom:16px}
    .usp-ic svg{width:100%;height:100%}
    .usp h4{font-family:var(--font-d);font-size:16px;font-weight:600;margin-bottom:8px}
    .usp p{color:#8f96ad;font-size:13.5px;line-height:1.55}
    /* karta form kontaktu */
    .contact-card{border:1px solid transparent;border-radius:20px;padding:26px 28px;background:rgba(255,255,255,.015);position:relative}
    .contact-card .eyebrow{display:block;font-size:11px;letter-spacing:.18em;color:#8b8fb5;margin-bottom:22px}
    .cinfo-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:22px}
    .cic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;color:var(--v1);
      background:rgba(139,92,246,.1);border:1px solid rgba(139,92,246,.25);margin-bottom:16px}
    .cic svg{width:24px;height:24px}
    .clabel{display:block;font-family:var(--font-d);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#8b8fb5;margin-bottom:8px}
    .cval{display:block;font-size:14px;font-weight:600;color:#fff;margin-bottom:3px;white-space:nowrap}
    .csub{display:block;font-size:13px;color:#8f96ad;line-height:1.5}
    .audit-cta{position:relative;border-radius:14px;padding:18px;background:rgba(255,255,255,.03);border:1px solid transparent}
    .audit-top{display:flex;align-items:center;gap:14px;width:100%;text-align:left;background:none;border:0;padding:0;color:inherit;font:inherit;cursor:pointer}
    .audit-chevron{margin-left:auto;flex:0 0 auto;color:#8f96ad;display:grid;place-items:center;transition:transform .3s}
    .audit-cta.open .audit-chevron{transform:rotate(180deg)}
    .audit-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s ease}
    .audit-cta.open .audit-body{grid-template-rows:1fr}
    .audit-body-inner{overflow:hidden;min-height:0}
    .audit-top .cic{margin-bottom:0;width:46px;height:46px}
    .audit-top .txt{flex:1}
    .audit-top strong{display:block;font-family:var(--font-d);font-size:15px;color:#fff;margin-bottom:3px}
    .audit-top .d{font-size:13px;color:#8f96ad;line-height:1.45}
    .audit-row{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;margin-top:16px}
    .audit-row input{font-family:var(--font-b);font-size:14px;color:#fff;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:12px 14px;outline:none;transition:border-color .2s,background .2s;min-width:0}
    .audit-row input::placeholder{color:#7b8199}
    .audit-row input:focus{border-color:rgba(139,92,246,.55);background:rgba(139,92,246,.06)}
    .audit-row .btn{padding:12px 20px;white-space:nowrap}
    .audit-note{margin:10px 2px 0;font-size:13px;min-height:15px}
    .audit-note.ok{color:#9be8bd} .audit-note.err{color:#ffb4b4}
    .audit-done{text-align:center;padding:10px 0}
    .audit-done strong{display:block;font-family:var(--font-d);font-size:17px;color:#fff;margin-bottom:6px}
    .audit-done span{color:#9aa0bd;font-size:14px;line-height:1.5}
    @media(max-width:560px){.audit-row{grid-template-columns:1fr}}
    /* prawa: karta formularza */
    .form-card{position:relative;border:1px solid transparent;border-radius:24px;padding:38px 38px 34px;
      background:linear-gradient(180deg,rgba(139,124,255,.05),rgba(255,255,255,.012));overflow:visible;
      box-shadow:0 0 90px 6px rgba(124,58,237,.5),0 0 40px 0 rgba(139,92,246,.4),0 30px 70px -30px rgba(124,58,237,.45)}
    .form-card>*{position:relative;z-index:1}
    .pixp{position:absolute;top:-88px;right:-28px;width:180px;height:auto;z-index:4;pointer-events:none}
    @media(max-width:560px){.pixp{width:130px;top:-56px;right:-14px}}
    .form-card h3{font-family:var(--font-d);font-size:30px;font-weight:700;margin-bottom:10px}
    .form-card>p{color:#9aa0bd;font-size:15px;line-height:1.6;margin-bottom:26px;max-width:420px}
    .cform{display:flex;flex-direction:column;gap:14px}
    .frow{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{position:relative;display:flex;align-items:center}
    .field .fic{position:absolute;left:16px;color:#8b8fb5;width:18px;height:18px;pointer-events:none;display:grid;place-items:center}
    .field .fic svg{width:18px;height:18px}
    .field input,.field select,.field textarea{width:100%;font-family:var(--font-b);font-size:14.5px;color:#fff;
      background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.1);border-radius:12px;
      padding:15px 16px 15px 46px;outline:none;transition:border-color .2s,background .2s}
    .field textarea{min-height:120px;resize:vertical;padding-top:15px}
    .field.area .fic{top:17px}
    .field input::placeholder,.field textarea::placeholder{color:#7b8199}
    .field select{appearance:none;color:#7b8199;cursor:pointer}
    .field select.filled{color:#fff}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(139,92,246,.55);background:rgba(139,92,246,.06)}
    .field .chev{position:absolute;right:16px;color:#8b8fb5;pointer-events:none}
    .fbottom{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:8px;flex-wrap:wrap}
    .consent{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:#8f96ad;line-height:1.5;max-width:60%;cursor:pointer}
    .consent input{appearance:none;flex:0 0 auto;width:20px;height:20px;border-radius:6px;border:1px solid rgba(255,255,255,.22);
      background:rgba(255,255,255,.04);margin-top:1px;cursor:pointer;position:relative;transition:.2s}
    .consent input:checked{background:var(--grad);border-color:transparent}
    .consent input:checked::after{content:"";position:absolute;left:6px;top:2px;width:5px;height:10px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
    .consent a{color:#a78bff;text-decoration:underline}
    .fbottom .btn{white-space:nowrap}
    /* pasek bezpieczeństwa */
    .safe-bar{position:relative;display:flex;align-items:center;gap:14px;margin-top:18px;padding:18px 22px;border-radius:16px;
      border:1px solid transparent;background:rgba(255,255,255,.02)}
    .safe-bar .cic{margin-bottom:0;width:44px;height:44px}
    .safe-bar strong{display:block;font-family:var(--font-d);font-size:15px;color:#fff;margin-bottom:2px}
    .safe-bar span{font-size:13px;color:#8f96ad}
    /* gradientowe obwódki ramek (fiolet->róż) */
    .contact-card::before,.form-card::before,.audit-cta::before,.safe-bar::before{
      content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:var(--grad);
      -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
      -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;z-index:0}
    .form-card::before{opacity:.9}
    .audit-cta::before,.safe-bar::before{opacity:.6}
    .audit-cta:hover::before{opacity:1}
    @media(max-width:900px){.contact-grid{grid-template-columns:1fr;gap:40px}
      .consent{max-width:100%} .fbottom{flex-direction:column;align-items:stretch} .fbottom .btn{justify-content:center}}
    @media(max-width:560px){.usp-row,.cinfo-row,.frow{grid-template-columns:1fr;gap:18px}
      .usp+.usp::before{display:none} .usp{padding:0} .form-card{padding:28px 22px}}

    /* Footer */
    footer{position:relative;background:#07070e;color:#aeb4c6;padding:104px 0 34px}
    footer .wrap{position:relative;z-index:2}
    .foot-wave{position:absolute;top:-1px;left:0;width:100%;height:90px;display:block;z-index:1;pointer-events:none}
    @media(max-width:640px){.foot-wave{height:56px}}
    .foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.07)}
    .foot-top .brand{color:#fff;margin-bottom:14px}
    .foot-col h4{font-family:var(--font-d);color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:.04em}
    .foot-col a{display:block;color:#9aa0b4;font-size:14px;margin-bottom:9px;transition:color .2s}
    .foot-col a:hover{color:#fff}
    .foot-cols{display:flex;gap:64px;flex-wrap:wrap}
    .foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:24px;font-size:13px;color:#7b8296}

    /* Reveal */
    .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
    .reveal.in{opacity:1;transform:none}

    /* ---------- Responsive ---------- */
    @media (max-width:1000px){
      .services{grid-template-columns:repeat(2,1fr)}
      .projects{grid-template-columns:repeat(2,1fr)}
      .steps{grid-template-columns:repeat(2,1fr);gap:18px}
    }
    @media (max-width:760px){
      .nav-links,.nav-cta .btn{display:none}
      .burger{display:block}
      .nav-links.open{display:flex;position:absolute;top:174px;left:0;right:0;flex-direction:column;gap:0;background:rgba(10,10,22,.97);backdrop-filter:blur(14px);padding:8px 24px 20px;border-bottom:1px solid rgba(255,255,255,.08)}
      .nav-links.open a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.06)}
      .hero-scrim{background:linear-gradient(180deg,rgba(6,6,14,.55),rgba(6,6,14,.82))}
      .hero p.lead{font-size:17px}
      .services,.projects{grid-template-columns:1fr}
      .sec-pad{padding:76px 0}
      .cta-box{padding:48px 24px}
    }
    @media (prefers-reduced-motion:reduce){
      .reveal{opacity:1;transform:none;transition:none}
      html{scroll-behavior:auto}
    }