:root{
  --blue-600:#2563eb;
  --blue-500:#3b82f6;
  --blue-400:#60a5fa;
  --ink:#0f172a;
  --bg:#ffffff;
  --muted:#64748b;
  --card:#f8fafc;
  --radius:14px;
  --shadow:0 10px 30px rgba(2,6,23,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;line-height:1.5}
.container{max-width:1100px;margin:auto;padding:0 20px}
.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid #e5e7eb;z-index:10}
.site-header .container{display:flex;align-items:center;justify-content:space-between;padding:14px 20px}
.logo{height:36px}
.nav a{margin-left:18px;text-decoration:none;color:var(--ink);font-weight:600}
.nav a:hover{color:var(--blue-600)}

.hero{background:linear-gradient(135deg,var(--blue-500),var(--blue-600));color:white;padding:72px 0 80px;margin-bottom:32px}
.hero h1{font-size:42px;margin:0 0 6px}
.hero p{opacity:.95;max-width:640px;margin:0 0 10px}
.vat-banner{display:inline-block;background:rgba(255,255,255,.15);padding:6px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.35)}

.btn{display:inline-block;border:2px solid transparent;border-radius:10px;padding:10px 16px;font-weight:700;cursor:pointer}
.btn-primary{background:white;color:var(--blue-600)}
.btn-primary:hover{background:#e2e8f0}
.btn-outline{border-color:var(--blue-400);color:var(--blue-600);background:transparent}
.btn-outline:hover{background:rgba(37,99,235,.06)}

h2{font-size:28px;margin:14px 0 10px}
.catalog .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:16px}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}
.img-wrap{aspect-ratio:4/3;background:#eef2ff}
.img-wrap img{width:100%;height:100%;object-fit:cover;display:block}
.card-body{padding:14px}
.card h3{font-size:18px;margin:0 0 6px}
.price{color:var(--blue-600);font-weight:800;margin:6px 0 8px}
.vat{color:#0f172a;font-weight:600;font-size:.9em;opacity:.8;margin-left:6px}

.how ol{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;padding-left:18px}
.how li{background:var(--card);padding:16px;border-radius:var(--radius);box-shadow:var(--shadow)}

.contact .contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-bottom:12px}
.contact-card{display:block;text-decoration:none;color:inherit;background:var(--card);padding:16px;border-radius:var(--radius);box-shadow:var(--shadow)}
.contact-card h3{margin:0 0 4px}
.contact form{display:flex;flex-direction:column;gap:12px}
.contact .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{display:flex;flex-direction:column;font-weight:600}
input,textarea{margin-top:6px;border:1px solid #cbd5e1;border-radius:10px;padding:10px;font:inherit}
input:focus,textarea:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 4px rgba(59,130,246,.15)}

.site-footer{border-top:1px solid #e5e7eb;margin-top:40px}
.site-footer .container{padding:20px;color:var(--muted);text-align:center}

@media (max-width:640px){
  .hero{padding:56px 0 64px}
  .hero h1{font-size:34px}
  .contact .row{grid-template-columns:1fr}
}