.navbar{position:fixed;top:0;left:0;width:100%;z-index:10000000;background-color:rgba(2,2,3,.4);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08);transform:translateY(0);transition:transform .36s cubic-bezier(.22,1,.36,1),background-color .22s ease,border-color .22s ease;will-change:transform}.navbar--go{background:linear-gradient(180deg,rgba(6,13,24,.66),rgba(6,13,24,.34));backdrop-filter:blur(18px) saturate(1.1);-webkit-backdrop-filter:blur(18px) saturate(1.1);border-bottom-color:rgba(255,255,255,.06);box-shadow:0 18px 44px -34px rgba(0,0,0,.9)}.navbar--go .nav-link-item{color:rgba(250,245,234,.9);text-shadow:0 1px 12px rgba(0,0,0,.4)}.navbar--go .nav-link-item:hover{color:#ffcb47}.navbar--go .nav-link-item:after{background:#ffcb47}.navbar-hidden{transform:translateY(calc(-100% - 8px))}.navbar-inner{justify-content:space-between;width:100%;padding:.2rem 2rem}.navbar-inner,.navbar-logo{display:flex;align-items:center}.navbar-logo{text-decoration:none}.navbar img.hamster-logo{width:2rem;height:auto}.nav-center{display:flex;align-items:center;gap:2rem}.nav-link-item{color:rgba(255,255,255,.85);font-size:.6rem;font-weight:500;text-decoration:none;transition:color .2s ease;position:relative}.nav-link-item:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--blue);transition:width .3s ease}.nav-link-item:hover{color:#6ee7ff}.nav-link-item:hover:after{width:100%}.nav-right{gap:.8rem}.nav-login-btn,.nav-right{display:flex;align-items:center}.nav-login-btn{background:none;border:none;cursor:pointer;transition:transform .2s ease}.nav-login-btn:hover{transform:scale(1.1)}.nav-login-icon{width:1.4rem!important;height:1.4rem!important;border-radius:50%}.hamburger-button{display:none;background:none;border:none;color:white;font-size:1.4rem;cursor:pointer;z-index:100;transition:.2s}.mobile-menu{display:none;position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:rgba(10,10,46,.98);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);flex-direction:column;align-items:center;justify-content:center;gap:1.5rem;z-index:99;opacity:0;pointer-events:none;transition:opacity .3s ease}.mobile-menu-open{display:flex;opacity:1;pointer-events:all}.mobile-menu-item{color:white;font-size:1rem;font-weight:500;text-decoration:none;transition:color .2s ease}.mobile-menu-item:hover{color:#6ee7ff}.mobile-menu-course{font-size:.8rem;color:rgba(255,255,255,.6)}.mobile-menu-course:hover{color:var(--blue)}@media screen and (max-width:768px){.nav-center{display:none}.hamburger-button{display:flex}.navbar-inner{padding:.4rem 1rem}}@media screen and (max-width:480px){.nav-login-btn{display:none}}