components/Navbar.js

import Link from 'next/link';
import { Cpu, Menu, X } from 'lucide-react';
import { useState } from 'react';

export default function Navbar() {
  const [isOpen, setIsOpen] = useState(false);

  return (
    <nav className="fixed w-full z-50 glass-panel border-b-0 rounded-none top-0">
      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
        <div className="flex items-center justify-between h-16">
          <div className="flex items-center">
            <Link href="/" className="flex items-center space-x-2">
              <Cpu className="h-8 w-8 text-primary" />
              <span className="text-2xl font-bold font-mono tracking-tighter">
                NEXUS<span className="text-primary">ROBOTICS</span>
              </span>
            </Link>
          </div>
          
          <div className="hidden md:block">
            <div className="ml-10 flex items-baseline space-x-8">
              <Link href="#features" className="hover:text-primary transition-colors px-3 py-2 rounded-md text-sm font-medium">Features</Link>
              <Link href="#models" className="hover:text-primary transition-colors px-3 py-2 rounded-md text-sm font-medium">Models</Link>
              <Link href="#technology" className="hover:text-primary transition-colors px-3 py-2 rounded-md text-sm font-medium">Technology</Link>
              <Link href="#contact" className="bg-primary text-dark hover:bg-white transition-all px-4 py-2 rounded-full font-bold text-sm">
                Pre-Order
              </Link>
            </div>
          </div>

          <div className="-mr-2 flex md:hidden">
            <button
              onClick={() => setIsOpen(!isOpen)}
              className="inline-flex items-center justify-center p-2 rounded-md text-gray-400 hover:text-white hover:bg-gray-700 focus:outline-none"
            >
              {isOpen ? <X className="h-6 w-6" /> : <Menu className="h-6 w-6" />}
            </button>
          </div>
        </div>
      </div>

      {isOpen && (
        <div className="md:hidden bg-surface border-b border-white/10">
          <div className="px-2 pt-2 pb-3 space-y-1 sm:px-3">
            <Link href="#features" className="text-gray-300 hover:text-white block px-3 py-2 rounded-md text-base font-medium">Features</Link>
            <Link href="#models" className="text-gray-300 hover:text-white block px-3 py-2 rounded-md text-base font-medium">Models</Link>
            <Link href="#technology" className="text-gray-300 hover:text-white block px-3 py-2 rounded-md text-base font-medium">Technology</Link>
            <Link href="#contact" className="text-primary font-bold block px-3 py-2 rounded-md text-base">Pre-Order</Link>
          </div>
        </div>
      )}
    </nav>
  );
}