.header{position:fixed;top:0;left:0;right:0;background:rgba(10,10,15,.95);backdrop-filter:blur(10px);padding:1.5rem 2rem;display:flex;justify-content:space-between;align-items:center;z-index:1000;border-bottom:1px solid rgba(255,68,68,.2)}.logo{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--neon-purple),var(--neon-pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 0 20px rgba(157,78,221,.5)}.logo-link{text-decoration:none}.nav{display:flex;gap:2rem}.nav-link{color:var(--text-light);text-decoration:none;font-weight:500;transition:all .3s ease;position:relative}.nav-link:hover{color:var(--neon-yellow);text-shadow:0 0 10px rgba(255,221,0,.6)}.nav-link:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:2px;background:var(--neon-yellow);transition:width .3s ease}.nav-link:hover:after{width:100%}@media (max-width: 768px){.header{flex-direction:column;gap:1rem;padding:1rem}.nav{gap:1rem;flex-wrap:wrap;justify-content:center}}