"use client";
import { useState } from "react";
import Link from "next/link";

export default function Nav() {
  const [menuOpen, setMenuOpen] = useState(false);

  return (
    <nav className="fixed top-0 left-0 right-0 z-50 bg-gray-950/90 backdrop-blur-sm border-b border-gray-800">
      <div className="max-w-6xl mx-auto px-4 py-4 flex items-center justify-between">
        <Link href="/" className="text-xl font-bold text-white text-glow">
          SZMYT AI Labs
        </Link>

        <div className="hidden md:flex gap-8">
          <Link href="/" className="text-gray-300 hover:text-cyan-400 transition-colors">Strona główna</Link>
          <Link href="/oferta" className="text-gray-300 hover:text-cyan-400 transition-colors">Oferta</Link>
          <Link href="/blog" className="text-gray-300 hover:text-cyan-400 transition-colors">Blog</Link>
          <Link href="/about" className="text-gray-300 hover:text-cyan-400 transition-colors">O nas</Link>
          <Link href="/#kontakt" className="text-gray-300 hover:text-cyan-400 transition-colors">Kontakt</Link>
        </div>

        <button
          className="md:hidden text-gray-300"
          onClick={() => setMenuOpen(!menuOpen)}
          aria-label={menuOpen ? "Zamknij menu" : "Otwórz menu"}
          aria-expanded={menuOpen}
        >
          <svg className="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d={menuOpen ? "M6 18L18 6M6 6l12 12" : "M3 6h18M3 12h18M3 18h18"} />
          </svg>
        </button>
      </div>

      {menuOpen && (
        <div className="md:hidden bg-gray-950 border-t border-gray-800 px-4 py-4 flex flex-col gap-4">
          <Link href="/" onClick={() => setMenuOpen(false)} className="text-gray-300 hover:text-cyan-400 transition-colors">Strona główna</Link>
          <Link href="/oferta" onClick={() => setMenuOpen(false)} className="text-gray-300 hover:text-cyan-400 transition-colors">Oferta</Link>
          <Link href="/blog" onClick={() => setMenuOpen(false)} className="text-gray-300 hover:text-cyan-400 transition-colors">Blog</Link>
          <Link href="/about" onClick={() => setMenuOpen(false)} className="text-gray-300 hover:text-cyan-400 transition-colors">O nas</Link>
          <Link href="/#kontakt" onClick={() => setMenuOpen(false)} className="text-gray-300 hover:text-cyan-400 transition-colors">Kontakt</Link>
        </div>
      )}
    </nav>
  );
}