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a.active{color:var(--color-primary);text-shadow:0 0 8px rgba(0,212,255,.5)}.nav-links a.active:after{width:100%}.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;border-radius:var(--radius-sm);transition:background var(--transition-fast)}.hamburger:hover{background:#00d4ff0f}.hamburger-line{width:22px;height:1.5px;background:var(--color-text-main);border-radius:1px;transition:transform var(--transition-fast),opacity var(--transition-fast);display:block}.hamburger.is-open .hamburger-line:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--color-primary)}.hamburger.is-open .hamburger-line:nth-child(2){opacity:0;transform:scaleX(0)}.hamburger.is-open .hamburger-line:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--color-primary)}@media(max-width:768px){.hamburger{display:flex}.nav-links.nav-open{display:flex;flex-direction:column;position:fixed;inset:64px 0 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