import React, { useState, useEffect } from 'react'; const NAV_LINKS = [ { id: 'features', label: 'Features' }, { id: 'benchmarks', label: 'Benchmarks' }, { id: 'demo', label: 'Demo' }, { id: 'failure-analysis', label: 'Failure Analysis' }, ]; const GITHUB_URL = 'https://github.com/Gaurav711cgu'; function BrainDBIcon({ size = 24 }) { return ( {/* Brain outline */} {/* Brain fold lines */} {/* Database cylinder */} ); } export default function Nav({ activeSection, onNavigate }) { const [scrolled, setScrolled] = useState(false); const [mobileOpen, setMobileOpen] = useState(false); useEffect(() => { const handleScroll = () => setScrolled(window.scrollY > 60); window.addEventListener('scroll', handleScroll, { passive: true }); return () => window.removeEventListener('scroll', handleScroll); }, []); return ( ); }