*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f4f6f9;color:#111827}
a{text-decoration:none;color:inherit}
.container{width:min(1300px,96%);margin:auto}
.header{height:78px;background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 12px rgba(0,0,0,.08);position:sticky;top:0;z-index:20}
.nav{width:min(1300px,96%);display:flex;align-items:center;justify-content:space-between}
.logo{font-size:32px;font-weight:900;color:#0b3d83;letter-spacing:1px}
.menu{display:flex;gap:36px;font-weight:800;text-transform:uppercase}
.menu a:hover{color:#0b3d83}
.btn{background:#0b3d83;color:#fff;padding:12px 22px;border-radius:4px;font-weight:900}
.lang{font-size:14px;border:1px solid #dbe3ee;padding:8px 10px;border-radius:4px;color:#0b3d83}
.section-img{width:100%;display:block}
.wrap{background:#fff}
.block{margin:0 auto 10px;background:#fff}
.hero{position:relative}
.float{position:fixed;right:22px;bottom:22px;background:#25d366;color:#fff;padding:14px 20px;border-radius:999px;font-weight:900;z-index:80;box-shadow:0 12px 35px rgba(0,0,0,.25)}
.footer{background:#07111f;color:#cbd5e1;padding:44px 0 24px;margin-top:10px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:30px}
.footer h3{color:#fff;margin:0 0 14px}
.footer a{display:block;margin:8px 0}
.copy{border-top:1px solid #253246;margin-top:28px;padding-top:18px;color:#94a3b8}
@media(max-width:900px){
  .menu{display:none}
  .footer-grid{grid-template-columns:1fr}
  .header{height:68px}
}