:root{
  --blue:#2B5BFF;
  --blue-2:#5A7CFF;
  --indigo:#1F2A6B;
  --dark:#0B0F1A;
  --text:#111827;
  --muted:#6B7280;
  --bg:#F6F8FF;
  --card:#FFFFFF;
  --border:#E5E7EB;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,#FFFFFF 0%, var(--bg) 100%);
}
a{text-decoration:none;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
header{
  position:sticky;top:0;background:rgba(255,255,255,0.7);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(229,231,235,0.5);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:32px;position:relative}
.nav-left{display:flex;align-items:center;gap:32px}
.logo{font-weight:900;font-size:20px;color:var(--blue);flex-shrink:0}
.menu{display:flex;align-items:center;gap:24px}
.menu a{font-weight:600;position:relative;transition:color 0.2s}
.menu a.active{color:var(--blue)}
.menu a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--blue);border-radius:1px}
.nav-right{display:flex;align-items:center;gap:20px;flex-shrink:0}
.burger-menu{display:none;flex-direction:column;cursor:pointer;gap:4px;padding:8px;margin-left:auto;z-index:1001}
.burger-menu span{width:24px;height:2px;background:var(--text);transition:all 0.3s;border-radius:2px}
.burger-menu.active span{background:var(--text)}
.burger-menu.active span:nth-child(1){transform:rotate(45deg) translate(6px,6px)}
.burger-menu.active span:nth-child(2){opacity:0}
.burger-menu.active span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}
.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:var(--card);z-index:1000;overflow-y:auto}
.mobile-menu-overlay.active{display:block}
.mobile-menu-content{padding:24px;max-width:100%;color:var(--text)}
.mobile-menu-close{position:absolute;top:24px;right:24px;width:32px;height:32px;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:1001}
.mobile-menu-close span{width:20px;height:2px;background:var(--text);position:absolute;border-radius:2px}
.mobile-menu-close span:first-child{transform:rotate(45deg)}
.mobile-menu-close span:last-child{transform:rotate(-45deg)}
.mobile-menu-nav{display:flex;flex-direction:column;gap:0;margin-top:60px}
.mobile-menu-nav a{color:var(--text);font-size:20px;font-weight:600;padding:16px 0;border-bottom:1px solid var(--border);text-decoration:none}
.mobile-menu-nav a:last-child{border-bottom:none}
.mobile-menu-contact{margin-top:48px;display:flex;flex-direction:column;gap:16px;align-items:center;text-align:center}
.mobile-menu-phone{color:var(--text);font-size:18px;font-weight:600;text-decoration:none}
.mobile-menu-btn{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;padding:16px 24px;border-radius:12px;font-weight:700;text-align:center;text-decoration:none;display:block;width:100%;max-width:300px}
.mobile-menu-lang{margin-top:16px;display:flex;align-items:center;gap:8px;color:var(--text);font-weight:600;justify-content:center}
.nav-phone{font-weight:600;color:var(--text)}
.lang-switcher{display:flex;align-items:center;gap:8px}
.lang-flag{width:20px;height:15px;border-radius:3px;object-fit:cover}
.hero{padding:120px 0;background:linear-gradient(180deg,#fff 0%,#F3F6FF 100%)}
.hero small{text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}
.hero h1{font-size:56px;margin:16px 0}
.hero p{font-size:20px;max-width:760px}
.btn{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;padding:14px 20px;border-radius:12px;font-weight:700;display:inline-block}
.section{padding:64px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px}
.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px}
.logos{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:28px;margin-top:28px}
.logo-tile{border:1px solid var(--border);border-radius:16px;padding:18px;text-align:center}
footer{border-top:1px solid var(--border);padding:28px 0;color:var(--muted)}

/* Responsive Design */
@media (max-width: 768px) {
  .container{padding:0 20px}
  .nav{height:auto;padding:16px 0;min-height:60px}
  .logo{padding:8px 0;margin-left:0}
  .burger-menu{display:flex;margin-right:0}
  .nav-left{width:100%;justify-content:space-between;align-items:center}
  .menu{display:none}
  .nav-right{display:none}
  .hero{padding:60px 0}
  .hero h1{font-size:36px;line-height:1.2}
  .hero p{font-size:18px}
  .section{padding:48px 0}
  .grid{grid-template-columns:1fr;gap:20px}
  .card{padding:20px}
  footer .container{flex-direction:column;text-align:center;gap:16px}
  footer nav{justify-content:center;flex-wrap:wrap}
  .logos{grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:16px}
  body.menu-open{overflow:hidden}
}

@media (max-width: 480px) {
  .container{padding:0 20px}
  .logo{padding:10px 0;font-size:18px;margin-left:0}
  .burger-menu{margin-right:0}
  .hero h1{font-size:28px;line-height:1.3}
  .hero p{font-size:16px}
  .btn{padding:12px 16px;font-size:14px;width:100%;text-align:center}
  .card{padding:16px}
  input,textarea{font-size:16px!important}
  .mobile-menu-content{padding:20px}
  .mobile-menu-close{top:20px;right:20px}
}