header.wv-nav{backdrop-filter:blur(14px);background:rgba(10,15,13,.85);border-bottom:1px solid var(--line);position:relative;z-index:100}header.wv-nav.is-fixed{left:0;position:fixed;right:0;top:0;width:100%}.nav-spacer{display:none}.nav-spacer.visible{display:block;height:72px}.nav-inner{gap:32px;height:72px}.nav-inner,.nav-inner .logo{align-items:center;display:flex}.nav-inner .logo{flex-shrink:0;height:30px}.nav-inner .logo img{height:30px}.nav-links{display:flex;flex:1;gap:28px;justify-content:center}.nav-links a{border-bottom:1px solid transparent;color:var(--fg-dim);font-size:14px;font-weight:500;padding:6px 4px;text-decoration:none;transition:color .15s}.nav-links a:hover{color:var(--fg)}.nav-links a.active{border-bottom-color:var(--wv-green);color:var(--fg)}.nav-right{gap:10px;margin-left:auto}.nav-right,.nav-right .lang{align-items:center;display:flex}.nav-right .lang{font-size:12px;gap:6px}.nav-right .lang .sep{color:var(--fg-faint);opacity:.4}.lang-btn{color:var(--fg-faint);cursor:pointer;font-weight:500;text-decoration:none;transition:color .15s}.lang-btn.on,.lang-btn:hover{color:var(--fg)}.lang-btn.disabled{opacity:.35;pointer-events:none}.nav-burger{background:none;border:none;cursor:pointer;display:none;flex-direction:column;flex-shrink:0;gap:5px;justify-content:center;margin-left:auto;padding:8px}.nav-burger span{background:var(--fg);border-radius:2px;display:block;height:2px;transition:transform .28s ease,opacity .2s ease;width:22px}.nav-burger.open span:first-child{transform:translateY(7px) rotate(45deg)}.nav-burger.open span:nth-child(2){opacity:0;transform:scaleX(0)}.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav-overlay{background:rgba(0,0,0,.5);display:none;inset:0;opacity:0;pointer-events:none;position:fixed;transition:opacity .3s ease;z-index:198}.nav-overlay.open{opacity:1;pointer-events:auto}.nav-mobile{background:var(--bg,#0a0f0d);bottom:0;display:flex;flex-direction:column;left:0;position:fixed;top:0;transform:translateX(-100%);transition:transform .32s ease,visibility 0s linear .32s;visibility:hidden;width:100%;z-index:199}.nav-mobile.open{transform:translateX(0);transition:transform .32s ease,visibility 0s linear 0s;visibility:visible}.nav-mobile-head{align-items:center;border-bottom:1px solid hsla(0,0%,100%,.07);display:flex;flex-shrink:0;height:72px;justify-content:space-between;padding:0 24px}.nav-mobile-head img{height:28px}.nav-mobile-close{align-items:center;background:none;border:none;color:var(--fg-dim);cursor:pointer;display:flex;font-size:24px;line-height:1;padding:6px;transition:color .15s}.nav-mobile-close:hover{color:var(--fg)}.nav-mobile-links{display:flex;flex:1;flex-direction:column;overflow-y:auto;padding:16px 0}.nav-mobile-links a{border-left:3px solid transparent;color:var(--fg-dim);font-size:20px;font-weight:500;padding:16px 28px;text-decoration:none;transition:color .15s,background .15s,border-color .15s}.nav-mobile-links a:hover{background:hsla(0,0%,100%,.03);color:var(--fg)}.nav-mobile-links a.active{border-left-color:var(--wv-green);color:var(--fg)}.nav-mobile-foot{border-top:1px solid hsla(0,0%,100%,.07);display:flex;flex-direction:column;flex-shrink:0;gap:18px;padding:24px 28px 40px}.nav-mobile-foot .lang{align-items:center;display:flex;font-size:14px;gap:10px}.nav-mobile-foot .lang .sep{color:var(--fg-faint);opacity:.4}.nav-mobile-foot .btn-primary{box-sizing:border-box;font-size:15px;justify-content:center;padding:15px 20px;text-align:center;width:100%}.nav-links .nav-item{align-items:center;display:flex;position:relative}.nav-item-trigger{align-items:center;cursor:pointer;display:inline-flex;gap:5px}.nav-item .caret{font-size:12px;line-height:1;opacity:.8;transition:transform .2s ease}.nav-item.has-children:focus-within .caret,.nav-item.has-children:hover .caret{transform:rotate(180deg)}.nav-dropdown{backdrop-filter:blur(14px);background:rgba(14,20,18,.98);border:1px solid var(--line);border-radius:12px;box-shadow:0 24px 48px -16px rgba(0,0,0,.55);display:flex;flex-direction:column;gap:2px;left:50%;min-width:250px;opacity:0;padding:8px;pointer-events:none;position:absolute;top:100%;transform:translateX(-50%) translateY(8px);transition:opacity .18s ease,transform .18s ease,visibility 0s linear .18s;visibility:hidden;z-index:120}.nav-dropdown:before{content:"";height:10px;left:0;position:absolute;right:0;top:-10px}.nav-item.has-children:focus-within .nav-dropdown,.nav-item.has-children:hover .nav-dropdown{opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(4px);transition:opacity .18s ease,transform .18s ease,visibility 0s linear 0s;visibility:visible}.nav-dropdown a{border-bottom:none;border-radius:8px;display:flex;flex-direction:column;gap:2px;padding:10px 14px;text-decoration:none;transition:background .15s,color .15s}.nav-dropdown a:hover{background:hsla(0,0%,100%,.05)}.nav-dropdown .sub-label{color:var(--fg-dim);font-size:14px;font-weight:500}.nav-dropdown a:hover .sub-label{color:var(--fg)}.nav-dropdown .sub-desc{color:var(--fg-faint);font-size:12px;font-weight:400;line-height:1.35}.nav-mobile-group{display:flex;flex-direction:column}.nav-mobile-toggle{align-items:center;background:none;border:none;border-left:3px solid transparent;color:var(--fg-dim);cursor:pointer;display:flex;font-family:inherit;font-size:20px;font-weight:500;justify-content:space-between;padding:16px 28px;text-align:left;transition:color .15s,background .15s;width:100%}.nav-mobile-toggle:hover{background:hsla(0,0%,100%,.03);color:var(--fg)}.nav-mobile-toggle .caret{font-size:15px;opacity:.8;transition:transform .25s ease}.nav-mobile-group.open>.nav-mobile-toggle{color:var(--fg)}.nav-mobile-group.open>.nav-mobile-toggle .caret{transform:rotate(180deg)}.nav-mobile-sub{display:grid;grid-template-rows:0fr;overflow:hidden;transition:grid-template-rows .28s ease}.nav-mobile-group.open>.nav-mobile-sub{grid-template-rows:1fr}.nav-mobile-sub-inner{display:flex;flex-direction:column;min-height:0;overflow:hidden}.nav-mobile-sub-inner a{border-left:3px solid transparent;color:var(--fg-faint);font-size:16px;font-weight:500;padding:13px 28px 13px 44px;text-decoration:none;transition:color .15s,background .15s}.nav-mobile-sub-inner a:hover{background:hsla(0,0%,100%,.03);color:var(--fg)}.nav-mobile-sub-inner .nav-mobile-sub-all{border-top:1px solid hsla(0,0%,100%,.07);color:var(--fg-dim);font-size:15px;margin-top:4px;padding-top:15px}.nav-mobile-sub-inner .nav-mobile-sub-all:after{content:" →";opacity:.5}@media (max-width:920px){.nav-links,.nav-right{display:none}.nav-burger{display:flex}.nav-overlay{display:block}}