:root{
  --brand:#1f4fd8;
  --brand-dark:#16399c;
  --ink:#1c2333;
  --muted:#5b6472;
  --bg:#ffffff;
  --bg-alt:#f3f6fb;
  --line:#e4e9f2;
  --radius:14px;
  --shadow:0 8px 28px rgba(28,35,51,.10);
  --maxw:1080px;
  --font-body:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-head:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
img{max-width:100%}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

.site-header{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{font-weight:700;font-size:16px;color:var(--ink)}
.brand:hover{text-decoration:none}
.site-nav{display:flex;gap:22px}
.site-nav a{color:var(--muted);font-size:15px}
.site-nav a:hover{color:var(--brand);text-decoration:none}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:2px;background:var(--ink);border-radius:2px}

.hero{padding:72px 0 64px;background:linear-gradient(180deg,var(--bg-alt),#fff)}
.hero h1{font-size:clamp(28px,5vw,46px);line-height:1.15;letter-spacing:-.5px;max-width:820px;font-family:var(--font-head)}
.lead{margin-top:16px;font-size:18px;color:var(--muted);max-width:640px}
.hero-actions{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}

.section{padding:56px 0}
.section.alt{background:var(--bg-alt)}
.section h2{font-size:clamp(22px,3vw,30px);margin-bottom:20px;letter-spacing:-.3px;font-family:var(--font-head)}
.section-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:20px}
.about-text{font-size:16px;color:var(--ink);max-width:860px}
.okved{margin-top:10px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card h3{font-size:16px;margin-bottom:6px}

.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:.15s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);text-decoration:none}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}
.btn-sm{padding:8px 14px;font-size:13px}

.req-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:4px 28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 0}
.req-grid div{padding:10px 24px;border-bottom:1px dashed var(--line)}
.req-grid div:last-child{border-bottom:0}
.req-grid dt{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.req-grid dd{font-size:15px;margin:2px 0 0;word-break:break-word}

.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.contact{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:4px}
.contact strong{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.contact span{font-size:16px;font-weight:600}
.map-link{margin-top:18px}

.site-footer{border-top:1px solid var(--line);padding:28px 0;text-align:center}
.site-footer .muted{color:var(--muted);font-size:13px;margin-top:4px}

@media (max-width:760px){
  .site-nav{position:absolute;top:60px;left:0;right:0;background:#fff;flex-direction:column;gap:0;border-bottom:1px solid var(--line);display:none}
  .site-nav.open{display:flex}
  .site-nav a{padding:14px 20px;border-top:1px solid var(--line)}
  .nav-toggle{display:flex}
  .hero{padding:48px 0 44px}
  .section{padding:40px 0}
}
@media (min-width:320px){html{font-size:16px}}