*,*::before,*::after{box-sizing:border-box;}
    html{scroll-behavior:smooth;overflow-x:hidden;width:100%;}
    body{margin:0;font-family:'IBM Plex Sans',system-ui,sans-serif;background:#0a0a0f;color:#e5e7eb;line-height:1.7;overflow-x:hidden;width:100%;position:relative;}

    /* HEADER */
    .site-header{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:14px 7vw;background:rgba(12,12,18,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(148,163,184,.2);gap:12px;flex-wrap:wrap;}
    .logo{font-weight:700;letter-spacing:.16em;font-size:1rem;text-transform:uppercase;color:#e5e7eb;text-decoration:none;cursor:pointer;flex-shrink:0;}
    .header-cta-group{display:flex;align-items:center;gap:8px;flex-shrink:0;}
    .btn-hdr-collab{display:inline-flex;align-items:center;gap:7px;padding:6px 16px;border-radius:999px;border:1px solid rgba(148,163,184,.4);background:radial-gradient(circle at 0 0,rgba(59,130,246,.4),rgba(37,99,235,.88));color:#f9fafb;font-family:'IBM Plex Sans',system-ui,sans-serif;font-weight:600;font-size:.82rem;cursor:pointer;text-decoration:none;transition:transform .18s,box-shadow .18s;white-space:nowrap;}
    .btn-hdr-collab:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(12,12,18,.8);}
    .btn-hdr-call{display:inline-flex;align-items:center;gap:7px;padding:6px 16px;border-radius:999px;border:1px solid rgba(34,197,94,.35);background:rgba(34,197,94,.1);color:#4ade80;font-family:'IBM Plex Sans',system-ui,sans-serif;font-weight:600;font-size:.82rem;cursor:pointer;text-decoration:none;transition:background .18s,border-color .18s;white-space:nowrap;}
    .btn-hdr-call:hover{background:rgba(34,197,94,.18);border-color:rgba(34,197,94,.6);}
    /* mobile: ukryj tekst, zostaw ikony */
    .btn-hdr-label{display:inline;}
    .main-nav{display:flex;align-items:center;}
    .main-nav a{margin-left:24px;font-size:.9rem;text-decoration:none;color:#cbd5f5;position:relative;padding-bottom:4px;cursor:pointer;transition:color .2s;}
    .main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,#3b82f6,#22c55e);transition:width .25s;}
    .main-nav a:hover::after,.main-nav a.active::after{width:100%;}
    .main-nav a.active{color:#60a5fa;}

    /* HAMBURGER (tylko mobile) */
    .nav-toggle{display:none;}
    .hamburger-btn{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;border-radius:10px;border:1px solid rgba(148,163,184,.35);background:rgba(255,255,255,.05);cursor:pointer;flex-shrink:0;}
    .hamburger-btn span{display:block;width:20px;height:2px;background:#e5e7eb;border-radius:2px;transition:transform .25s,opacity .25s;}
    .hamburger-btn.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
    .hamburger-btn.is-open span:nth-child(2){opacity:0;}
    .hamburger-btn.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

    /* PAGES */
    /* HERO */
    .hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;background:#0a0a0f;}
    .hero-bg{position:absolute;inset:0;z-index:0;}
    .hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center;display:block;transform:scale(1.04);transition:transform 12s ease;filter:saturate(.95) brightness(.95);}
    .hero:hover .hero-bg img{transform:scale(1.0);}
    .hero-diagonal{position:absolute;inset:0;z-index:1;background:linear-gradient(105deg,rgba(10,10,15,.92) 0%,rgba(10,10,15,.86) 18%,rgba(10,10,15,.68) 36%,rgba(10,10,15,.46) 54%,rgba(10,10,15,.25) 72%,rgba(10,10,15,.08) 88%,transparent 100%);}
    .hero-bottom-fade{position:absolute;bottom:0;left:0;right:0;height:35%;z-index:1;background:linear-gradient(to top,rgba(10,10,15,.85),transparent);}
    .hero-grid{position:absolute;inset:0;z-index:1;pointer-events:none;background-image:repeating-linear-gradient(0deg,rgba(59,130,246,.04) 0px,transparent 1px,transparent 48px),repeating-linear-gradient(90deg,rgba(59,130,246,.04) 0px,transparent 1px,transparent 48px);}
    .hero-glow{position:absolute;top:-20%;left:-10%;width:60%;height:120%;z-index:1;pointer-events:none;background:radial-gradient(ellipse,rgba(59,130,246,.12),transparent 65%);}
    .hero-vert-line{position:absolute;top:15%;bottom:15%;left:calc(7vw - 24px);width:1px;z-index:2;background:linear-gradient(to bottom,transparent,rgba(59,130,246,.5) 30%,rgba(34,197,94,.4) 70%,transparent);}
    .hero-inner{position:relative;z-index:2;padding:0 7vw;max-width:640px;}
    .hero-accent-line{width:40px;height:2px;background:linear-gradient(90deg,#3b82f6,#22c55e);margin-bottom:22px;border-radius:2px;animation:heroFadeUp .6s .08s ease both;}
    .hero-title{font-family:'IBM Plex Sans',system-ui,sans-serif;font-size:clamp(1.2rem,2.2vw,2rem);font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#60a5fa;line-height:1.4;margin:0 0 28px;animation:heroFadeUp .7s .14s ease both;}
    .hero-title span{display:block;color:#60a5fa;}
    .hero-desc{font-size:.94rem;color:#cbd5e1;line-height:2;max-width:560px;margin:0 0 32px;letter-spacing:.05em;animation:heroFadeUp .7s .24s ease both;text-shadow:0 2px 8px rgba(0,0,0,.85);}
    .hero-desc-sep{color:#3b82f6;margin:0 6px;font-size:1.1em;}
    .offer-list{list-style:none;padding:0;margin:0 0 12px;}
    .offer-list li{font-size:.9rem;color:#d1d5db;line-height:1.7;padding:6px 0 6px 12px;border-left:2px solid rgba(59,130,246,.3);margin-bottom:8px;text-align:justify;}
    .offer-list-head{color:#e5e7eb;font-weight:600;}
    .norm-row{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 8px;}
    .norm-badge{display:inline-block;padding:3px 10px;border-radius:4px;font-size:.75rem;font-weight:600;letter-spacing:.04em;background:rgba(59,130,246,.15);border:1px solid rgba(59,130,246,.4);color:#93c5fd;}
    .norm-badge-alt{background:rgba(34,197,94,.12);border-color:rgba(34,197,94,.35);color:#4ade80;}
    .offer-sublist{display:flex;flex-direction:column;gap:4px;margin-top:4px;}
    .offer-sublist div{font-size:.85rem;color:#94a3b8;padding-left:10px;border-left:1px solid rgba(148,163,184,.15);}
    .hero-stats{display:flex;align-items:center;gap:20px;margin-bottom:36px;animation:heroFadeUp .7s .32s ease both;}
    .hero-stat{display:flex;flex-direction:column;}
    .hero-stat-num{font-size:1.6rem;font-weight:800;color:#e2e8f0;line-height:1;text-shadow:0 2px 8px rgba(0,0,0,.85);}
    .hero-stat-label{font-size:.68rem;color:#94a3b8;letter-spacing:.07em;text-transform:uppercase;margin-top:3px;text-shadow:0 2px 6px rgba(0,0,0,.85);}
    .hero-stat-divider{width:1px;height:34px;background:rgba(148,163,184,.2);}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;animation:heroFadeUp .7s .40s ease both;}
    @keyframes heroFadeUp{from{opacity:0;transform:translateY(24px);}to{opacity:1;transform:translateY(0);}}

    /* BUTTONS */
    .btn-primary{display:inline-flex;align-items:center;justify-content:center;padding:12px 26px;border-radius:999px;border:1px solid rgba(148,163,184,.5);background:radial-gradient(circle at 0 0,rgba(59,130,246,.45),rgba(37,99,235,.95));color:#f9fafb;font-weight:600;font-size:.95rem;text-decoration:none;cursor:pointer;box-shadow:0 18px 45px rgba(12,12,18,.9);transition:transform .18s,box-shadow .18s;}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 60px rgba(12,12,18,1);}
    .btn-ghost{display:inline-flex;align-items:center;justify-content:center;padding:12px 26px;border-radius:999px;border:1px solid rgba(148,163,184,.35);background:rgba(255,255,255,.05);color:#cbd5e1;font-weight:500;font-size:.95rem;text-decoration:none;cursor:pointer;transition:background .18s,border-color .18s;}
    .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(148,163,184,.6);}

    /* PAGE BG – tło z obrazkiem jak hero */
    .page-bg{position:fixed;inset:0;z-index:0;pointer-events:none;}
    .page-bg img{width:100%;height:100%;object-fit:cover;object-position:center;display:block;filter:saturate(.85) brightness(.8);}
    .page-bg-overlay{position:absolute;inset:0;background:linear-gradient(105deg,rgba(10,10,15,.75) 0%,rgba(10,10,15,.55) 50%,rgba(10,10,15,.3) 100%);}
    #page-metodologia{position:relative;}

    /* INNER PAGES */
    .inner-page{max-width:1480px;margin:0 auto;padding:72px 7vw;}
    .page-header{margin-bottom:48px;}
    .page-header h1{font-size:1.7rem;letter-spacing:.08em;text-transform:uppercase;color:#e5e7eb;margin:0 0 8px;}
    .page-header p{color:#9ca3af;font-size:.98rem;margin:0;}
    .accent-line{width:40px;height:2px;background:linear-gradient(90deg,#3b82f6,#22c55e);margin-bottom:20px;border-radius:2px;}

    /* GRID */
    .grid{display:grid;gap:24px;}
    .about-grid{grid-template-columns:minmax(0,2fr) minmax(0,1.4fr);}
    .services-grid{grid-template-columns:repeat(2,1fr);}
    .card-wide{grid-column:1 / -1;}
    .portfolio-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));}

    /* CARDS */
    .card{background:radial-gradient(circle at top left,rgba(30,64,175,.15),rgba(12,12,18,.98));border-radius:18px;padding:28px;border:1px solid rgba(148,163,184,.35);box-shadow:0 18px 45px rgba(12,12,18,.9);}
    .card h3{font-size:1.05rem;margin:0 0 12px;color:#e5e7eb;}
    .card p{font-size:.95rem;color:#d1d5db;margin:0 0 10px;}
    .card p:last-child{margin:0;}
    .brands{font-size:.88rem !important;color:#94a3b8 !important;}
    .brands a,.brands a:visited{color:#93c5fd;text-decoration:none;}
    .brands a:hover{text-decoration:underline;}

    /* LIST */
    .list{list-style:none;padding:0;margin:0;}
    .list li{font-size:.95rem;color:#d1d5db;margin-bottom:10px;padding-bottom:10px;border-bottom:1px solid rgba(148,163,184,.1);}
    .list li:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0;}
    .list li span{color:#9ca3af;font-weight:500;display:block;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:2px;}

    /* PORTFOLIO */
    .project-card{background:radial-gradient(circle at top left,rgba(30,64,175,.15),rgba(12,12,18,.98));border-radius:18px;border:1px solid rgba(148,163,184,.35);box-shadow:0 18px 45px rgba(12,12,18,.9);overflow:hidden;transition:transform .2s,box-shadow .2s;}
    .project-card:hover{transform:translateY(-4px);box-shadow:0 28px 60px rgba(12,12,18,.95);}
    .project-image-wrapper{overflow:hidden;height:220px;}
    .project-image-wrapper img{width:100%;height:100%;object-fit:cover;display:block;transform:scale(1.03);transition:transform .4s;filter:brightness(.9);}
    .project-card:hover .project-image-wrapper img{transform:scale(1.08);}
    .project-card-content{padding:22px;}
    .project-card-content h3{font-size:1.05rem;color:#e5e7eb;margin:0 0 10px;}
    .project-card-content p{font-size:.92rem;color:#d1d5db;margin:0 0 14px;}
    .project-links{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
    .project-links a{font-size:.88rem;color:#93c5fd;text-decoration:none;}
    .project-links a:hover{text-decoration:underline;}
    .btn-ekipa{display:inline-flex;align-items:center;justify-content:center;padding:5px 16px;border-radius:999px;border:1px solid rgba(148,163,184,.5);background:radial-gradient(circle at 0 0,rgba(59,130,246,.4),rgba(37,99,235,.9));color:#f9fafb;font-weight:600;font-size:.85rem;cursor:pointer;transition:transform .18s,box-shadow .18s;}
    .btn-ekipa:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(12,12,18,.8);}

    /* KONTAKT */
    .contact-card{background:radial-gradient(circle at top left,rgba(30,64,175,.15),rgba(12,12,18,.98));border-radius:18px;padding:36px 40px;border:1px solid rgba(148,163,184,.35);box-shadow:0 18px 45px rgba(12,12,18,.9);max-width:680px;}
    .contact-card h3{font-size:1.05rem;color:#e5e7eb;margin:0 0 24px;letter-spacing:.04em;}
    .contact-row{display:flex;align-items:flex-start;gap:16px;padding:14px 0;border-bottom:1px solid rgba(148,163,184,.1);}
    .contact-row:last-of-type{border-bottom:none;}
    .contact-icon{width:36px;height:36px;flex-shrink:0;background:rgba(59,130,246,.12);border:1px solid rgba(59,130,246,.25);border-radius:8px;display:flex;align-items:center;justify-content:center;}
    .contact-icon svg{width:16px;height:16px;stroke:#60a5fa;}
    .contact-label{font-size:.72rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:#64748b;margin-bottom:3px;}
    .contact-value{font-size:.95rem;color:#cbd5e1;}
    .contact-value a{color:#93c5fd;text-decoration:none;transition:color .15s;}
    .contact-value a:hover{color:#60a5fa;text-decoration:underline;}
    .svg-data{display:block;overflow:visible;}
    .btn-contact{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:28px;width:100%;padding:13px 24px;border-radius:999px;border:1px solid rgba(148,163,184,.5);background:radial-gradient(circle at 0 0,rgba(59,130,246,.4),rgba(37,99,235,.9));color:#f9fafb;font-weight:600;font-size:.95rem;text-decoration:none;cursor:pointer;box-shadow:0 18px 45px rgba(12,12,18,.9);transition:transform .18s,box-shadow .18s;}
    .btn-contact:hover{transform:translateY(-1px);}

    /* MODAL */
    .modal-overlay{display:none;position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.85);align-items:center;justify-content:center;}
    .modal-overlay.open{display:flex;}
    .modal-inner{position:relative;max-width:90vw;max-height:90vh;}
    .modal-inner img{display:block;max-width:90vw;max-height:85vh;border-radius:12px;box-shadow:0 24px 60px rgba(0,0,0,.9);}
    .modal-close{position:absolute;top:-14px;right:-14px;background:#1e40af;color:#fff;border:none;border-radius:50%;width:32px;height:32px;font-size:1.1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(0,0,0,.5);}

    /* FOOTER */
    .site-footer{border-top:1px solid rgba(148,163,184,.3);padding:18px 7vw 26px;text-align:center;font-size:.85rem;color:#9ca3af;background:radial-gradient(circle at top,rgba(30,64,175,.18),#0a0a0f);}
    .back-to-top{display:inline-block;margin-top:6px;font-size:.8rem;color:#93c5fd;text-decoration:none;cursor:pointer;}
    .back-to-top:hover{text-decoration:underline;}

    /* RESPONSIVE */
    @media(max-width:900px){
      .about-grid{grid-template-columns:1fr;}
      .hero{min-height:80vh;align-items:flex-end;padding-bottom:48px;}
      .hero-diagonal{background:linear-gradient(to top,#0a0a0f 0%,rgba(10,10,15,.85) 40%,rgba(10,10,15,.3) 75%,transparent 100%);}
      .hero-inner{max-width:100%;padding:0 6vw;}
      .hero-vert-line{display:none;}
    }
    @media(max-width:760px){
      .site-header{padding:12px 5vw;flex-wrap:nowrap;}
      .logo{font-size:.82rem;}

      /* Przyciski w nagłówku: mniejsze, ale wygodne do kliknięcia */
      .btn-hdr-label{display:none;}
      .btn-hdr-collab,.btn-hdr-call{padding:10px;width:42px;height:42px;justify-content:center;}
      .btn-hdr-collab svg,.btn-hdr-call svg{width:18px;height:18px;flex-shrink:0;}
      .header-cta-group{gap:8px;}

      /* Hamburger widoczny, menu poziome chowane */
      .hamburger-btn{display:flex;}
      .main-nav{
        position:fixed;top:0;right:0;height:100vh;width:min(78vw,320px);max-width:100vw;
        background:rgba(10,10,15,.98);backdrop-filter:blur(16px);
        flex-direction:column;align-items:stretch;
        padding:90px 28px 28px;gap:4px;
        transform:translateX(100%);transition:transform .3s ease;
        box-shadow:-12px 0 40px rgba(0,0,0,.6);
        border-left:1px solid rgba(148,163,184,.2);
        z-index:21;overflow-y:auto;
      }
      .nav-toggle:checked ~ .main-nav{transform:translateX(0);}
      .main-nav a{
        margin-left:0;padding:16px 4px;font-size:1.05rem;
        border-bottom:1px solid rgba(148,163,184,.12);
        min-height:44px;display:flex;align-items:center;
      }
      .main-nav a::after{display:none;}
      .main-nav a.active{color:#60a5fa;}

      /* Tło-przyciemnienie pod otwartym menu */
      .nav-toggle:checked ~ .nav-scrim{display:block;}
      .nav-scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:19;}

      .contact-card{padding:24px 20px;}
      .services-grid{grid-template-columns:1fr;}
      .portfolio-grid{grid-template-columns:1fr;}
      .inner-page{padding:48px 6vw;}
      .hero-title{font-size:1.25rem;}
    }
    @media(max-width:480px){
      .hero-title{font-size:1.1rem;}
      .hero-stats{gap:12px;}
      .hero-actions{flex-direction:column;}
      .inner-page{padding:48px 6vw;}
      .header-cta-group{gap:6px;}
      .btn-hdr-collab,.btn-hdr-call{width:40px;height:40px;padding:8px;}
      .hamburger-btn{width:40px;height:40px;}
      .logo{font-size:.72rem;letter-spacing:.1em;}
    }

    /* Wszystkie linki/przyciski klikalne - min. 44px wysokości na dotyk */
    @media(max-width:760px){
      .project-links a,.btn-ekipa,.back-to-top{min-height:44px;display:inline-flex;align-items:center;}
      .btn-contact{min-height:48px;}
    }