header{position:fixed;top:0;left:0;width:100%;z-index:100}.header{display:flex;width:100%;padding:20px 30px;gap:1rem;background:rgba(4,10,23,.611);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 8px 32px rgba(0,0,0,.4);overflow:hidden;transition:background .3s ease,backdrop-filter .3s ease,transform .3s ease;align-items:center;justify-content:space-between}.logo{display:flex;width:auto;text-align:center;height:100px;cursor:pointer;gap:1rem}.logo h1{margin:auto 0;color:#dcdcdc;text-shadow:0 0 14px rgba(26,171,137,.6),0 0 28px rgba(198,84,190,.5),0 0 40px rgba(1,51,112,.4),0 0 60px rgba(26,127,251,.3);animation:neonGlow 2s infinite alternate}.header.small .logo{height:60px}.logo{transition:height .35s ease}@keyframes neonGlow{0%{text-shadow:0 0 7px rgba(26,171,137,.3),0 0 14px rgba(198,84,190,.25),0 0 20px rgba(1,51,112,.2),0 0 30px rgba(26,127,251,.15)}100%{text-shadow:0 0 20px rgba(217,255,247,.6),0 0 40px rgba(54,26,103,.5),0 0 60px rgba(0,68,152,.4),0 0 80px rgba(0,204,255,.3)}}nav{display:flex;gap:1.5rem;margin:auto 0}nav ul{display:flex;gap:1.5rem;font-size:14pt}.header-sweep{position:absolute;bottom:0;left:-25%;width:25%;height:2px;background:linear-gradient( 90deg,transparent,rgba(39,75,255,.837),transparent );filter:blur(1px);animation:footer-sweep 9s infinite ease-in-out}@keyframes footer-sweep{0%{left:-25%;opacity:0}30%{opacity:.2}50%{opacity:.7}70%{opacity:.2}100%{left:125%;opacity:0}}.menu-toggle{display:none}.hamburger{display:none;cursor:pointer;width:40px;height:50px;padding:6px;background:rgba(255,255,255,.1);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.3);border-radius:20px;box-shadow:0 8px 32px rgba(0,0,0,.2);cursor:pointer;transition:all .3s ease;text-shadow:0 0 4px rgba(255,255,255,.5);text-decoration:none}.hamburger img{width:100%;height:100%}.menu-toggle:checked~.menu-overlay{right:0}.header.small .logo{height:60px}.header.small .logo h1{font-size:1.2rem}@media(max-width:820px){nav{display:none}.hamburger{display:block}.logo{gap:.5rem}}