"use client"

import { useState, useEffect } from "react"

export default function Header() {
  const [isScrolled, setIsScrolled] = useState(false)

  useEffect(() => {
    const handleScroll = () => {
      setIsScrolled(window.scrollY > 50)
    }
    window.addEventListener("scroll", handleScroll)
    return () => window.removeEventListener("scroll", handleScroll)
  }, [])

  return (
    <header
      className={`fixed top-0 left-0 right-0 z-50 transition-all duration-500 ${
        isScrolled ? "bg-white/20 backdrop-blur-xl border-b border-white/30 shadow-lg" : "bg-transparent"
      }`}
    >
      <div className="container mx-auto px-4 py-6">
        <div className="flex items-center justify-center">
          {/* Centered Logo */}
          <div className="flex items-center space-x-4 group">
            <div className="relative">
              <div className="w-12 h-12 bg-gradient-to-br from-blue-500 via-purple-500 to-pink-500 rounded-xl flex items-center justify-center shadow-lg group-hover:shadow-xl transition-all duration-500">
                <span className="text-white font-bold text-xl font-mono">XZ</span>
              </div>
              <div className="absolute inset-0 bg-gradient-to-br from-blue-500 via-purple-500 to-pink-500 rounded-xl blur-lg opacity-20 group-hover:opacity-30 transition-opacity duration-500"></div>
            </div>
            <div className="relative">
              <span className="text-3xl font-bold bg-gradient-to-r from-blue-600 via-purple-600 to-pink-600 bg-clip-text text-transparent drop-shadow-sm font-mono">
                鑫泽焓界
              </span>
            </div>
          </div>
        </div>
      </div>
    </header>
  )
}
