.navigating{pointer-events:none;overflow:hidden}.navigating *{transition:opacity .2s ease-in-out}.optimized-link{transition:all .2s ease-in-out;position:relative}.optimized-link:hover{transform:translateY(-1px)}.optimized-link:active{transform:translateY(0)}.navigation-loading{position:relative;overflow:hidden}.navigation-loading:after{content:"";background:linear-gradient(90deg,#0000,#3b82f6,#0000);width:100%;height:2px;animation:1.5s infinite loading-shimmer;position:absolute;top:0;left:-100%}@keyframes loading-shimmer{0%{left:-100%}to{left:100%}}.lazy{opacity:0;transition:opacity .3s ease-in-out}.lazy.loaded{opacity:1}.preload-indicator{z-index:9999;background:#e5e7eb;width:100%;height:2px;position:fixed;top:0;left:0}.preload-indicator:before{content:"";background:#3b82f6;width:0%;height:100%;animation:.5s ease-out forwards preload-progress;position:absolute;top:0;left:0}@keyframes preload-progress{to{width:100%}}.nav-optimized{will-change:transform;backface-visibility:hidden;transform:translateZ(0)}html{scroll-behavior:smooth}.optimized-render{contain:layout style paint}.nav-loading-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:50;opacity:0;visibility:hidden;background:#fffc;justify-content:center;align-items:center;transition:all .2s ease-in-out;display:flex;position:fixed;inset:0}.nav-loading-overlay.active{opacity:1;visibility:visible}.nav-loading-spinner{border:2px solid #e5e7eb;border-top-color:#3b82f6;border-radius:50%;width:2rem;height:2rem;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:768px){.navigating{-webkit-overflow-scrolling:touch}.optimized-link{touch-action:manipulation}}@media (prefers-reduced-motion:reduce){.optimized-link,.navigation-loading:after,.lazy{transition:none;animation:none}html{scroll-behavior:auto}}@media (prefers-contrast:high){.navigation-loading:after{background:linear-gradient(90deg,#0000,#000,#0000)}.preload-indicator:before{background:#000}}