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klz-cables.com/components/Header.tsx
Marc Mintel 1153a79eb6
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feat: complete wcag accessibility and contrast improvements
2026-02-21 20:43:18 +01:00

379 lines
14 KiB
TypeScript

'use client';
import Link from 'next/link';
import Image from 'next/image';
import { useTranslations } from 'next-intl';
import { usePathname } from 'next/navigation';
import { Button } from './ui';
import { useEffect, useState, useRef } from 'react';
import { cn } from './ui';
import { useAnalytics } from './analytics/useAnalytics';
import { AnalyticsEvents } from './analytics/analytics-events';
export default function Header() {
const t = useTranslations('Navigation');
const pathname = usePathname();
const { trackEvent } = useAnalytics();
const [isScrolled, setIsScrolled] = useState(false);
const [isMobileMenuOpen, setIsMobileMenuOpen] = useState(false);
const mobileMenuRef = useRef<HTMLDivElement>(null);
// Extract locale from pathname
const currentLocale = pathname.split('/')[1] || 'en';
// Check if homepage
const isHomePage = pathname === `/${currentLocale}` || pathname === '/';
useEffect(() => {
const handleScroll = () => {
setIsScrolled(window.scrollY > 50);
};
window.addEventListener('scroll', handleScroll);
return () => window.removeEventListener('scroll', handleScroll);
}, []);
// Prevent scroll when mobile menu is open and handle focus trap
useEffect(() => {
if (isMobileMenuOpen) {
document.body.style.overflow = 'hidden';
// Focus trap logic
const focusableElements = mobileMenuRef.current?.querySelectorAll(
'button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])',
);
if (focusableElements && focusableElements.length > 0) {
const firstElement = focusableElements[0] as HTMLElement;
const lastElement = focusableElements[focusableElements.length - 1] as HTMLElement;
const handleTabKey = (e: KeyboardEvent) => {
if (e.key === 'Tab') {
if (e.shiftKey) {
if (document.activeElement === firstElement) {
e.preventDefault();
lastElement.focus();
}
} else {
if (document.activeElement === lastElement) {
e.preventDefault();
firstElement.focus();
}
}
}
};
const handleEscapeKey = (e: KeyboardEvent) => {
if (e.key === 'Escape') {
setIsMobileMenuOpen(false);
}
};
document.addEventListener('keydown', handleTabKey);
document.addEventListener('keydown', handleEscapeKey);
// Focus the first element when menu opens
setTimeout(() => firstElement.focus(), 100);
return () => {
document.removeEventListener('keydown', handleTabKey);
document.removeEventListener('keydown', handleEscapeKey);
};
}
} else {
document.body.style.overflow = 'unset';
}
}, [isMobileMenuOpen]);
// Function to get path for a different locale
const getPathForLocale = (newLocale: string) => {
const segments = pathname.split('/');
segments[1] = newLocale;
return segments.join('/');
};
const menuItems = [
{ label: t('home'), href: '/' },
{ label: t('team'), href: '/team' },
{ label: t('products'), href: currentLocale === 'de' ? '/produkte' : '/products' },
{ label: t('blog'), href: '/blog' },
];
const headerClass = cn(
'fixed top-0 left-0 right-0 z-50 transition-all duration-500 safe-area-p transform-gpu animate-in fade-in slide-in-from-top-12 fill-mode-both',
{
'bg-primary/95 backdrop-blur-md md:bg-transparent py-3 md:py-8 shadow-2xl md:shadow-none':
isHomePage && !isScrolled && !isMobileMenuOpen,
'bg-primary py-3 md:py-4 shadow-2xl': !isHomePage || isScrolled || isMobileMenuOpen,
},
);
const textColorClass = 'text-white';
const logoSrc = '/logo-white.svg';
return (
<>
<header className={headerClass} style={{ animationDuration: '800ms' }}>
<div className="container mx-auto px-4 md:px-12 lg:px-16 max-w-7xl flex items-center justify-between">
<div
className="flex-shrink-0 group touch-target animate-in fade-in zoom-in-90 fill-mode-both"
style={{ animationDuration: '600ms', animationDelay: '100ms' }}
>
<Link
href={`/${currentLocale}`}
onClick={() =>
trackEvent(AnalyticsEvents.BUTTON_CLICK, {
target: 'home_logo',
location: 'header',
})
}
>
<Image
src={logoSrc}
alt={t('home')}
width={120}
height={120}
className="h-10 md:h-14 w-auto transition-all duration-500 group-hover:scale-110"
priority
/>
</Link>
</div>
<div className="flex items-center gap-4 md:gap-12">
<nav className="hidden lg:flex items-center space-x-10">
{menuItems.map((item, idx) => (
<div
key={item.href}
className="animate-in fade-in slide-in-from-bottom-4 fill-mode-both"
style={{ animationDuration: '500ms', animationDelay: `${150 + idx * 80}ms` }}
>
<Link
href={`/${currentLocale}${item.href === '/' ? '' : item.href}`}
onClick={() => {
setIsMobileMenuOpen(false);
trackEvent(AnalyticsEvents.LINK_CLICK, {
label: item.label,
href: item.href,
location: 'header_nav',
});
}}
className={cn(
textColorClass,
'hover:text-accent font-bold transition-all duration-500 text-base md:text-lg tracking-tight relative group inline-block hover:-translate-y-0.5',
)}
>
{item.label}
<span className="absolute -bottom-2 left-0 w-0 h-1 bg-accent transition-all duration-500 group-hover:w-full rounded-full shadow-[0_0_12px_rgba(130,237,32,0.6)]" />
</Link>
</div>
))}
</nav>
<div
className={cn(
'hidden lg:flex items-center space-x-8 animate-in fade-in slide-in-from-right-8 fill-mode-both',
textColorClass,
)}
style={{ animationDuration: '600ms', animationDelay: '300ms' }}
>
<div
className="flex items-center space-x-4 text-xs md:text-sm font-extrabold tracking-widest uppercase animate-in fade-in slide-in-from-left-4 fill-mode-both"
style={{ animationDuration: '500ms', animationDelay: '600ms' }}
>
<div>
<Link
href={getPathForLocale('en')}
onClick={() =>
trackEvent(AnalyticsEvents.TOGGLE_SWITCH, {
type: 'language',
from: currentLocale,
to: 'en',
location: 'header',
})
}
className={`hover:text-accent transition-colors flex items-center gap-2 touch-target ${currentLocale === 'en' ? 'text-accent' : 'opacity-80'}`}
>
EN
</Link>
</div>
<div className="w-px h-4 bg-current opacity-30" />
<div>
<Link
href={getPathForLocale('de')}
onClick={() =>
trackEvent(AnalyticsEvents.TOGGLE_SWITCH, {
type: 'language',
from: currentLocale,
to: 'de',
location: 'header',
})
}
className={`hover:text-accent transition-colors flex items-center gap-2 touch-target ${currentLocale === 'de' ? 'text-accent' : 'opacity-80'}`}
>
DE
</Link>
</div>
</div>
<div
className="animate-in fade-in zoom-in-95 fill-mode-both"
style={{ animationDuration: '600ms', animationDelay: '700ms' }}
>
<Button
href={`/${currentLocale}/contact`}
variant="white"
size="md"
className="px-8 shadow-xl hover:scale-105 transition-transform"
onClick={() =>
trackEvent(AnalyticsEvents.BUTTON_CLICK, {
label: t('contact'),
location: 'header_cta',
})
}
>
{t('contact')}
</Button>
</div>
</div>
{/* Mobile Menu Button */}
<button
className={cn(
'lg:hidden touch-target p-2 rounded-xl bg-white/10 border border-white/20 z-50 transition-all duration-300',
textColorClass,
isMobileMenuOpen ? 'rotate-90 scale-110' : 'rotate-0 scale-100',
)}
aria-label={t('toggleMenu')}
aria-expanded={isMobileMenuOpen}
aria-controls="mobile-menu"
onClick={() => {
const newState = !isMobileMenuOpen;
setIsMobileMenuOpen(newState);
trackEvent(AnalyticsEvents.BUTTON_CLICK, {
type: 'mobile_menu',
action: newState ? 'open' : 'close',
});
}}
>
<svg
className="w-7 h-7 transition-transform duration-300"
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
>
{isMobileMenuOpen ? (
<path
strokeLinecap="round"
strokeLinejoin="round"
strokeWidth={2}
d="M6 18L18 6M6 6l12 12"
/>
) : (
<path
strokeLinecap="round"
strokeLinejoin="round"
strokeWidth={2}
d="M4 6h16M4 12h16M4 18h16"
/>
)}
</svg>
</button>
</div>
</div>
{/* Mobile Menu Overlay */}
<div
className={cn(
'fixed inset-0 bg-primary z-40 lg:hidden transition-all duration-500 ease-in-out flex flex-col',
isMobileMenuOpen
? 'opacity-100 translate-y-0'
: 'opacity-0 -translate-y-full pointer-events-none',
)}
id="mobile-menu"
role="dialog"
aria-modal="true"
aria-label={t('menu')}
ref={mobileMenuRef}
>
<nav className="flex-grow flex flex-col justify-center items-center p-8 space-y-8">
{menuItems.map((item, idx) => (
<div
key={item.href}
className={cn(
'transition-all duration-500 transform',
isMobileMenuOpen ? 'opacity-100 translate-y-0' : 'opacity-0 translate-y-8',
)}
style={{ transitionDelay: `${isMobileMenuOpen ? 200 + idx * 80 : 0}ms` }}
>
<Link
href={`/${currentLocale}${item.href === '/' ? '' : item.href}`}
onClick={() => {
setIsMobileMenuOpen(false);
trackEvent(AnalyticsEvents.LINK_CLICK, {
label: item.label,
href: item.href,
location: 'mobile_menu',
});
}}
className="text-2xl md:text-3xl font-extrabold text-white hover:text-accent transition-all transform block py-4"
>
{item.label}
</Link>
</div>
))}
<div
className={cn(
'pt-8 border-t border-white/10 w-full flex flex-col items-center space-y-8 transition-all duration-500',
isMobileMenuOpen ? 'opacity-100 translate-y-0' : 'opacity-0 translate-y-8',
)}
style={{ transitionDelay: isMobileMenuOpen ? '600ms' : '0ms' }}
>
<div className="flex items-center space-x-8 text-lg md:text-xl font-extrabold tracking-widest uppercase text-white">
<div>
<Link
href={getPathForLocale('en')}
className={`hover:text-accent transition-colors ${currentLocale === 'en' ? 'text-accent' : 'opacity-80'}`}
>
EN
</Link>
</div>
<div className="w-px h-6 bg-white/30" />
<div>
<Link
href={getPathForLocale('de')}
className={`hover:text-accent transition-colors ${currentLocale === 'de' ? 'text-accent' : 'opacity-80'}`}
>
DE
</Link>
</div>
</div>
<div className="w-full max-w-xs">
<Button
href={`/${currentLocale}/contact`}
variant="accent"
size="lg"
className="w-full py-6 text-lg md:text-xl shadow-2xl hover:scale-105 transition-transform"
>
{t('contact')}
</Button>
</div>
</div>
{/* Bottom Branding */}
<div
className={cn(
'p-12 flex justify-center transition-all duration-700',
isMobileMenuOpen ? 'opacity-20 scale-100' : 'opacity-0 scale-75',
)}
style={{ transitionDelay: isMobileMenuOpen ? '800ms' : '0ms' }}
>
<Image src="/logo-white.svg" alt={t('home')} width={80} height={80} unoptimized />
</div>
</nav>
</div>
</header>
</>
);
}