.navbar{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(15,23,32,.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(126,168,255,.08);transition:background .3s}.navbar .container{display:flex;align-items:center;justify-content:space-between;height:68px;max-width:1140px;margin:0 auto;padding:0 24px;box-sizing:border-box}.nav-logo{display:flex;align-items:center;gap:10px;-webkit-tap-highlight-color:transparent;outline:0;text-decoration:none!important}.nav-logo img{height:36px;width:auto}.nav-links{display:flex;gap:32px;list-style:none;margin:0;padding:0}.nav-links a{color:rgba(226,232,240,.75);font-size:14px;font-weight:500;letter-spacing:.02em;transition:color .2s;text-decoration:none!important}.nav-links a.active,.nav-links a:hover{color:#7ea8ff}.nav-links a.level-test-link{color:#8fb7ff;font-weight:800}.nav-links a.level-test-link.active,.nav-links a.level-test-link:hover{color:#c1d7ff}.hamburger{display:none;background:0 0;border:none;color:#e2e8f0;cursor:pointer;padding:8px}.hamburger svg{width:24px;height:24px}@media (max-width:1400px){.nav-links{gap:14px}.nav-links a{font-size:13px}}@media (max-width:1120px){.nav-links{gap:8px}.nav-links a{font-size:12px}@media (max-width:768px){.nav-links{display:none}.hamburger{display:block!important}.nav-links.open{display:flex;flex-direction:column;gap:0;position:absolute;top:68px;left:0;right:0;background:rgba(15,23,32,.96);backdrop-filter:blur(18px);padding:16px 24px;border-bottom:1px solid rgba(126,168,255,.08)}.nav-links.open a{display:block;padding:12px 0}}}