.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);border-bottom:1px solid rgba(0,0,0,.06);}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#111;font-weight:800;}
.brand-logo{width:34px;height:34px;border-radius:10px;background:rgba(10,60,140,.08);}
.nav{display:flex;align-items:center;gap:12px;}
.nav-list{display:flex;gap:18px;align-items:center;list-style:none;margin:0;padding:0;}
.nav-link{text-decoration:none;color:#111;padding:10px 10px;border-radius:10px;display:inline-block;}
.nav-link:hover{background:rgba(10,60,140,.06);}
.has-mega,.has-drop{position:relative;}
.mega,.drop{position:absolute;left:0;top:calc(100% + 10px);opacity:0;transform:translateY(-8px);pointer-events:none;transition:opacity .22s ease,transform .22s ease;}
.has-mega.is-open>.mega,.has-drop.is-open>.drop{opacity:1;transform:translateY(0);pointer-events:auto;}
.mega{width:min(820px,92vw);background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border:1px solid rgba(0,0,0,.08);border-radius:16px;padding:18px;box-shadow:0 18px 50px rgba(0,0,0,.14);}
.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.mega-title{font-weight:700;margin-bottom:10px;}
.mega-link{display:block;padding:10px 10px;border-radius:12px;text-decoration:none;color:#111;}
.mega-link:hover{background:rgba(10,60,140,.08);}
.drop{min-width:240px;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border:1px solid rgba(0,0,0,.08);border-radius:14px;padding:10px;box-shadow:0 18px 50px rgba(0,0,0,.14);}
.drop-link{display:block;padding:10px 10px;border-radius:12px;text-decoration:none;color:#111;}
.drop-link:hover{background:rgba(10,60,140,.08);}
.header-actions{display:flex;align-items:center;gap:10px;}
.lang{display:flex;gap:8px;align-items:center;}
.lang-link{text-decoration:none;color:#111;padding:8px 10px;border-radius:10px;border:1px solid rgba(0,0,0,.10);}
.lang-link.is-active{border-color:rgba(10,60,140,.35);background:rgba(10,60,140,.06);}
.burger{display:none;background:none;border:0;width:44px;height:44px;border-radius:12px;}
.burger span{display:block;height:2px;background:#111;margin:6px 10px;}
@media (max-width:980px){
  .burger{display:block;}
  .nav-panel{position:fixed;inset:70px 14px 14px 14px;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border:1px solid rgba(0,0,0,.08);border-radius:18px;padding:14px;transform:translateY(-10px);opacity:0;pointer-events:none;transition:.2s ease;}
  .nav-panel.is-open{opacity:1;pointer-events:auto;transform:translateY(0);}
  .nav-list{flex-direction:column;align-items:stretch;gap:6px;}
  .mega,.drop{position:static;opacity:1;transform:none;pointer-events:auto;display:none;width:100%;box-shadow:none;}
  .has-mega.is-open>.mega,.has-drop.is-open>.drop{display:block;margin-top:8px;}
  .mega-grid{grid-template-columns:1fr 1fr;}
}