*{box-sizing:border-box}
html{--bg:#ffffff;--ink:#0b1320;--muted:#6b7280;--brand:#0c1d4a;--accent:#f5b200;--line:#e5e7eb}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial}
.container{max-width:1080px;margin:auto;padding:20px}

/* top nav */
.topbar{padding:8px 0;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:inherit}
.logo{width:40px;height:40px;border-radius:10px;background:#12224f;color:#fff;display:grid;place-items:center;font-size:22px}
.brand-title{font-weight:800;letter-spacing:.5px}
.brand-sub{font-size:12px;color:var(--muted)}
.nav-links{display:flex;gap:16px;align-items:center}
.nav-links a{text-decoration:none;color:var(--brand);font-weight:600}

/* buttons */
.btn{display:inline-block;padding:10px 14px;border:1px solid var(--brand);text-decoration:none;border-radius:10px;font-weight:600}
.btn--primary{background:var(--accent);border-color:var(--accent);color:#0b0b0b}
.btn--ghost{background:transparent;color:var(--brand)}

/* hero */
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;padding:20px 0}
.hero h1{font-size:42px;line-height:1.1;margin:.2em 0}
.hero p{color:var(--muted);max-width:48ch}
.hero-cta{display:flex;gap:12px;margin:16px 0}
.badges{display:flex;gap:12px;list-style:none;padding:0;margin:8px 0 0 0;color:var(--muted);font-size:14px}
.hero-art .device{width:100%;aspect-ratio:1/1;border-radius:24px;background:#f7f7f8;border:1px solid var(--line);box-shadow:0 10px 24px rgba(0,0,0,.06)}

/* sections */
h2{font-size:28px;margin:28px 0 12px}
.services .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.card{border:1px solid var(--line);padding:16px;border-radius:12px;background:#fff}

/* gallery */
.portfolio .gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.portfolio img{width:100%;height:160px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}

/* pricing */
.pricing-wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;align-items:start}
.price-list ul{list-style:none;margin:0;padding:0}
.price-list li{display:flex;justify-content:space-between;padding:10px 12px;border-bottom:1px dashed var(--line)}
.muted{color:var(--muted);font-size:14px}
.calc{border:1px solid var(--line);padding:16px;border-radius:12px}
.calc label{display:block;font-weight:600;margin:8px 0 6px}
.calc select,.calc input,.contact-form input,.contact-form textarea{width:100%;padding:10px;border:1px solid var(--line);border-radius:10px}
.calc-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:end}
.calc-total{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:12px;padding-top:12px;font-size:18px;font-weight:800}

/* cennik page */
.price-group{margin:18px 0}
.plist{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.plist li{display:flex;justify-content:space-between;gap:12px;padding:10px 12px;border-bottom:1px dashed var(--line)}
.plist li:last-child{border-bottom:none}
.cta-box{display:flex;gap:12px;margin:20px 0}

/* contact and footer */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.footer{color:var(--muted);font-size:14px;border-top:1px solid var(--line);margin-top:40px;padding-top:20px}

/* responsive */
@media (max-width:900px){
  .hero{grid-template-columns:1fr}
  .services .grid{grid-template-columns:1fr 1fr}
  .portfolio .gallery{grid-template-columns:1fr 1fr}
  .pricing-wrap{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .hero h1{font-size:34px}
}