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klz-cables.com/components/Header.tsx
Marc Mintel 16d06d3275
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perf: deep react code splitting, next-intl payload scoping, and SVG hardware acceleration for PageSpeed 100
2026-02-20 11:53:42 +01:00

507 lines
18 KiB
TypeScript

'use client';
import Link from 'next/link';
import Image from 'next/image';
import { m, LazyMotion, domAnimation } from 'framer-motion';
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);
const closeButtonRef = useRef<HTMLButtonElement>(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
// 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',
{
'bg-transparent py-4 md:py-8': 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 (
<>
<LazyMotion strict features={domAnimation}>
<m.header
className={headerClass}
initial={{ y: -100, opacity: 0 }}
animate={{ y: 0, opacity: 1 }}
transition={{ duration: 0.8, ease: 'easeOut' }}
>
<div className="container mx-auto px-4 md:px-12 lg:px-16 max-w-7xl flex items-center justify-between">
<m.div
className="flex-shrink-0 group touch-target"
initial={{ scale: 0.8, opacity: 0 }}
animate={{ scale: 1, opacity: 1 }}
transition={{ duration: 0.6, ease: 'easeOut', delay: 0.1 }}
>
<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>
</m.div>
<m.div
className="flex items-center gap-4 md:gap-12"
initial="hidden"
animate="visible"
variants={{
visible: {
transition: {
staggerChildren: 0.08,
delayChildren: 0.3,
},
},
}}
>
<m.nav className="hidden lg:flex items-center space-x-10" variants={navVariants}>
{menuItems.map((item, _idx) => (
<m.div key={item.href} variants={navLinkVariants}>
<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>
</m.div>
))}
</m.nav>
<m.div
className={cn('hidden lg:flex items-center space-x-8', textColorClass)}
variants={headerRightVariants}
>
<m.div
className="flex items-center space-x-4 text-xs md:text-sm font-extrabold tracking-widest uppercase"
initial={{ opacity: 0, x: 20 }}
animate={{ opacity: 1, x: 0 }}
transition={{ duration: 0.5, delay: 0.6 }}
>
<m.div
initial={{ opacity: 0, scale: 0.8 }}
animate={{ opacity: 1, scale: 1 }}
transition={{ duration: 0.4, delay: 0.65 }}
>
<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-60'}`}
>
EN
</Link>
</m.div>
<m.div
className="w-px h-4 bg-current opacity-20"
initial={{ scaleY: 0 }}
animate={{ scaleY: 1 }}
transition={{ duration: 0.4, delay: 0.7 }}
/>
<m.div
initial={{ opacity: 0, scale: 0.8 }}
animate={{ opacity: 1, scale: 1 }}
transition={{ duration: 0.4, delay: 0.75 }}
>
<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 ${currentLocale === 'de' ? 'text-accent' : 'opacity-60'}`}
>
DE
</Link>
</m.div>
</m.div>
<m.div
initial={{ scale: 0.9, opacity: 0 }}
animate={{ scale: 1, opacity: 1 }}
transition={{ duration: 0.6, type: 'spring', stiffness: 400, delay: 0.7 }}
>
<Button
href={`/${currentLocale}/contact`}
variant="white"
size="md"
className="px-8 shadow-xl"
onClick={() =>
trackEvent(AnalyticsEvents.BUTTON_CLICK, {
label: t('contact'),
location: 'header_cta',
})
}
>
{t('contact')}
</Button>
</m.div>
</m.div>
{/* Mobile Menu Button */}
<m.button
className={cn(
'lg:hidden touch-target p-2 rounded-xl bg-white/10 border border-white/20 z-50',
textColorClass,
)}
aria-label={t('toggleMenu')}
aria-expanded={isMobileMenuOpen}
aria-controls="mobile-menu"
initial={{ scale: 0.8, opacity: 0, rotate: -180 }}
animate={{ scale: 1, opacity: 1, rotate: 0 }}
transition={{
duration: 0.6,
type: 'spring',
stiffness: 300,
damping: 20,
delay: 0.5,
}}
onClick={() => {
const newState = !isMobileMenuOpen;
setIsMobileMenuOpen(newState);
trackEvent(AnalyticsEvents.BUTTON_CLICK, {
type: 'mobile_menu',
action: newState ? 'open' : 'close',
});
}}
>
<m.svg
className="w-7 h-7"
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
initial={{ scale: 0 }}
animate={{ scale: 1 }}
transition={{ duration: 0.3, delay: 0.6 }}
>
{isMobileMenuOpen ? (
<m.path
strokeLinecap="round"
strokeLinejoin="round"
strokeWidth={2}
d="M6 18L18 6M6 6l12 12"
initial={{ pathLength: 0 }}
animate={{ pathLength: 1 }}
transition={{ duration: 0.4, delay: 0.7 }}
/>
) : (
<m.path
strokeLinecap="round"
strokeLinejoin="round"
strokeWidth={2}
d="M4 6h16M4 12h16M4 18h16"
initial={{ pathLength: 0 }}
animate={{ pathLength: 1 }}
transition={{ duration: 0.4, delay: 0.7 }}
/>
)}
</m.svg>
</m.button>
</m.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}
>
<m.nav
className="flex-grow flex flex-col justify-center items-center p-8 space-y-8"
initial="closed"
animate={isMobileMenuOpen ? 'open' : 'closed'}
variants={{
open: {
transition: {
staggerChildren: 0.1,
delayChildren: 0.2,
},
},
}}
>
{menuItems.map((item, idx) => (
<m.div
key={item.href}
variants={{
closed: { opacity: 0, y: 50, scale: 0.9 },
open: {
opacity: 1,
y: 0,
scale: 1,
transition: {
duration: 0.6,
ease: 'easeOut',
delay: idx * 0.08,
},
},
}}
>
<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>
</m.div>
))}
<m.div
className="pt-8 border-t border-white/10 w-full flex flex-col items-center space-y-8"
initial={{ opacity: 0, y: 30 }}
animate={isMobileMenuOpen ? { opacity: 1, y: 0 } : { opacity: 0, y: 30 }}
transition={{ duration: 0.5, delay: 0.8 }}
>
<m.div
className="flex items-center space-x-8 text-lg md:text-xl font-extrabold tracking-widest uppercase text-white"
initial={{ opacity: 0, scale: 0.8 }}
animate={{ opacity: 1, scale: 1 }}
transition={{ duration: 0.4, delay: 0.9 }}
>
<m.div
initial={{ opacity: 0 }}
animate={{ opacity: 1 }}
transition={{ duration: 0.3, delay: 1.0 }}
>
<Link
href={getPathForLocale('en')}
className={`hover:text-accent transition-colors ${currentLocale === 'en' ? 'text-accent' : 'opacity-60'}`}
>
EN
</Link>
</m.div>
<m.div
className="w-px h-6 bg-white/20"
initial={{ scaleX: 0 }}
animate={{ scaleX: 1 }}
transition={{ duration: 0.4, delay: 1.05 }}
/>
<m.div
initial={{ opacity: 0 }}
animate={{ opacity: 1 }}
transition={{ duration: 0.3, delay: 1.1 }}
>
<Link
href={getPathForLocale('de')}
className={`hover:text-accent transition-colors ${currentLocale === 'de' ? 'text-accent' : 'opacity-60'}`}
>
DE
</Link>
</m.div>
</m.div>
<m.div
initial={{ scale: 0.9, opacity: 0, y: 20 }}
animate={{ scale: 1, opacity: 1, y: 0 }}
transition={{ type: 'spring', stiffness: 400, damping: 20, delay: 1.2 }}
>
<Button
href={`/${currentLocale}/contact`}
variant="accent"
size="lg"
className="w-full max-w-xs py-6 text-lg md:text-xl shadow-2xl"
>
{t('contact')}
</Button>
</m.div>
</m.div>
{/* Bottom Branding */}
<m.div
className="p-12 flex justify-center opacity-20"
initial={{ opacity: 0, scale: 0.8 }}
animate={isMobileMenuOpen ? { opacity: 0.2, scale: 1 } : { opacity: 0, scale: 0.8 }}
transition={{ duration: 0.5, delay: 1.4 }}
>
<m.div
initial={{ scale: 0.5 }}
animate={{ scale: 1 }}
transition={{ type: 'spring', stiffness: 300, delay: 1.5 }}
>
<Image src="/logo-white.svg" alt={t('home')} width={80} height={80} unoptimized />
</m.div>
</m.div>
</m.nav>
</div>
</m.header>
</LazyMotion>
</>
);
}
const navVariants = {
hidden: { opacity: 0 },
visible: {
opacity: 1,
transition: {
staggerChildren: 0.06,
delayChildren: 0.1,
},
},
} as const;
const navLinkVariants = {
hidden: { opacity: 0, y: 20, scale: 0.9 },
visible: {
opacity: 1,
y: 0,
scale: 1,
transition: {
duration: 0.5,
ease: 'easeOut',
},
},
} as const;
const headerRightVariants = {
hidden: { opacity: 0, x: 30 },
visible: {
opacity: 1,
x: 0,
transition: { duration: 0.6, ease: 'easeOut' },
},
} as const;