Navbar: always white, remove scroll effect

src/components/Navigation.jsx

@@ -1,18 +1,11 @@
-import React, { useState, useEffect } from 'react'
+import React, { useState } from 'react'
 import { Menu, X } from 'lucide-react'
 import { useLanguage } from '../contexts/LanguageContext.jsx'
 
 export default function Navigation() {
   const { t, lang, toggle } = useLanguage()
-  const [scrolled, setScrolled] = useState(false)
   const [menuOpen, setMenuOpen] = useState(false)
 
-  useEffect(() => {
-    const onScroll = () => setScrolled(window.scrollY > 40)
-    window.addEventListener('scroll', onScroll)
-    return () => window.removeEventListener('scroll', onScroll)
-  }, [])
-
   const links = [
     { label: t('nav.services'), href: '#services' },
     { label: t('nav.about'), href: '#about' },
@@ -20,7 +13,7 @@ export default function Navigation() {
   ]
 
   return (
-    <header className={`fixed top-0 left-0 right-0 z-50 transition-all duration-300 ${scrolled ? 'bg-white/95 backdrop-blur shadow-sm' : 'bg-transparent'}`}>
+    <header className="fixed top-0 left-0 right-0 z-50 bg-white shadow-sm">
       <div className="max-w-6xl mx-auto px-4 sm:px-6 h-16 flex items-center justify-between">
         <a href="#" className="flex items-center">
           <img src="/logo.png" alt="Сисадмингрупп" className="h-8 w-auto" />