.navbar{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-height);background:#0d0e0fe0;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--clr-border-subtle)}.navbar-inner{max-width:var(--content-width);margin:0 auto;padding:0 var(--content-pad);height:100%;display:flex;align-items:center;justify-content:space-between;gap:2rem}.navbar-logo{font-family:var(--font-mono);font-size:.9rem;font-weight:500;color:var(--clr-text-primary);letter-spacing:.06em;text-decoration:none;white-space:nowrap;flex-shrink:0}.navbar-logo span{color:var(--clr-accent)}.navbar-links{display:flex;align-items:center;gap:.25rem;list-style:none}.navbar-links a{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--clr-text-secondary);padding:.35rem .6rem;transition:color .15s;position:relative;text-decoration:none}.navbar-links a:after{content:"";position:absolute;bottom:0;left:.6rem;right:.6rem;height:1px;background:var(--clr-accent);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease-out)}.navbar-links a.active,.navbar-links a:hover{color:var(--clr-text-primary)}.navbar-links a.active:after,.navbar-links a:hover:after{transform:scaleX(1)}.navbar-actions{display:flex;align-items:center;gap:.6rem;flex-shrink:0}.navbar-ask-ai{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;padding:.38rem .85rem;background:var(--clr-accent-dim);color:var(--clr-accent);border:1px solid var(--clr-accent);transition:background .15s,color .15s;cursor:pointer;white-space:nowrap}.navbar-ask-ai:hover{background:var(--clr-accent);color:var(--clr-bg)}.navbar-lang{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;padding:.38rem .7rem;background:#0000;color:var(--clr-text-secondary);border:1px solid var(--clr-border);transition:border-color .15s,color .15s;cursor:pointer;white-space:nowrap}.navbar-lang:hover{border-color:var(--clr-accent-subtle);color:var(--clr-text-primary)}.navbar-hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:32px;height:32px;cursor:pointer;background:none;border:none;padding:0}.navbar-hamburger span{display:block;height:1px;background:var(--clr-text-primary);transition:transform .2s,opacity .2s}.navbar-hamburger.open span:first-child{transform:translateY(6px) rotate(45deg)}.navbar-hamburger.open span:nth-child(2){opacity:0}.navbar-hamburger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.navbar-mobile{display:none;position:fixed;inset:0;top:var(--nav-height);background:var(--clr-bg);z-index:99;padding:2rem var(--content-pad);flex-direction:column;gap:0;border-top:1px solid var(--clr-border)}.navbar-mobile.open{display:flex}.navbar-mobile a,.navbar-mobile button{font-family:var(--font-mono);font-size:1rem;letter-spacing:.08em;text-transform:uppercase;color:var(--clr-text-secondary);padding:1rem 0;background:none;border:none;border-bottom:1px solid var(--clr-border-subtle);text-align:left;width:100%;cursor:pointer;transition:color .15s;text-decoration:none}.navbar-mobile a.active,.navbar-mobile a:hover,.navbar-mobile button:hover{color:var(--clr-text-primary)}.navbar-mobile-actions{display:flex;gap:.75rem;margin-top:1.5rem;flex-wrap:wrap}.lang-fade-overlay{position:fixed;inset:0;background:var(--clr-bg);z-index:200;pointer-events:none;animation:langFade 1.8s ease forwards}@keyframes langFade{0%{opacity:0}20%{opacity:1}80%{opacity:1}to{opacity:0}}@media (max-width:900px){.navbar-links{display:none}.navbar-hamburger{display:flex}}@media (max-width:640px){.navbar-ask-ai{display:none}}