:root{--bg:#07111f;--panel:#0d1b2d;--text:#eef4fb;--muted:#a9b7c8;--accent:#19a7ff;--line:#1d3047}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#152238;background:#fff;line-height:1.6}
.container{width:min(1120px,92%);margin:auto}
.header{position:sticky;top:0;z-index:10;background:rgba(7,17,31,.96);border-bottom:1px solid var(--line)}
.nav{min-height:72px;display:flex;align-items:center;gap:28px}
.logo{display:inline-flex;align-items:center;margin-right:auto;text-decoration:none;flex:0 0 auto}
.logo img{display:block;width:220px;max-width:32vw;height:auto;max-height:54px;object-fit:contain;object-position:left center}
nav{display:flex;gap:22px}
nav a{color:#dce8f5;text-decoration:none;font-size:14px}
.langs{display:flex;gap:5px}
.langs button{border:1px solid #3b526b;background:transparent;color:white;border-radius:5px;padding:5px 8px;cursor:pointer}
.langs button.active{background:var(--accent);border-color:var(--accent)}
.hero{background:linear-gradient(135deg,#07111f,#102a45);color:white;padding:105px 0 115px}
.hero-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:70px;align-items:center}
.eyebrow{color:var(--accent);font-size:12px;font-weight:800;letter-spacing:2px}
.hero h1{font-size:clamp(42px,6vw,70px);line-height:1.03;margin:15px 0 24px}
.lead{font-size:19px;color:#c4d2e0;max-width:720px}
.buttons{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 20px;border-radius:6px;text-decoration:none;font-weight:700}
.primary{background:var(--accent);color:white}
.secondary{border:1px solid #54708c;color:white}
.hero-card{min-height:310px;border:1px solid #31506d;border-radius:18px;background:linear-gradient(145deg,#123453,#0b1b2d);display:flex;flex-direction:column;justify-content:center;align-items:center;box-shadow:0 25px 70px #0005}
.power{font-size:72px;font-weight:900;letter-spacing:5px;color:#ffffff12}
.hero-card-title{font-size:31px;font-weight:800}
.hero-card-text{color:#9fb6ca}
.section{padding:95px 0}
.section h2{font-size:42px;line-height:1.1;margin:8px 0 40px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cards article{border:1px solid #dce3ea;border-radius:10px;padding:27px;background:#fff}
.cards h3{margin-top:0;font-size:20px}
.cards p{color:#5e6b78}
.dark{background:var(--bg);color:white}
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;background:var(--line)}
.product-grid div{background:var(--panel);padding:30px;display:flex;flex-direction:column;gap:8px}
.product-grid strong{font-size:18px;color:var(--accent)}
.product-grid span{color:#b5c2d0}
.contact{background:#f4f7fa}
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:50px}
.contact-box{background:white;border:1px solid #dce3ea;border-radius:10px;padding:28px;display:flex;flex-direction:column;gap:14px}
.contact-box a:not(.btn){color:#152238;text-decoration:none;font-weight:700}
footer{background:#050c15;color:#8ea0b3;padding:24px 0;font-size:13px}
@media(max-width:800px){
  nav{display:none}
  .hero-grid,.contact-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .hero{padding:75px 0}
  .product-grid{grid-template-columns:1fr}
  .logo img{width:190px;max-width:55vw;max-height:48px}
}
@media(max-width:520px){
  .cards{grid-template-columns:1fr}
  .langs{margin-left:0}
  .hero h1{font-size:43px}
  .section h2{font-size:34px}
  .nav{gap:12px}
  .logo img{width:165px;max-width:52vw}
}