fix: product texts, mobile nav background, mobile product page layout

- Fix PayloadRichText: migrate custom JSX converters to Lexical v3 nodesToJSX API
  - paragraph, heading, list, listitem, quote, link converters now use nodesToJSX
  - Resolves missing product texts since PayloadCMS migration
- Fix mobile navigation: move overlay outside <header> to prevent fixed-position clipping
  - Header transform/backdrop-filter was containing the fixed overlay
  - Use bg-primary/95 backdrop-blur-3xl for premium blue background
- Fix product image mobile layout: use md:-mt-32 responsive prefix
  - Negative margin only applies on md+ to avoid overlap on mobile
- Improve mobile product page UX:
  - Breadcrumbs: flex-wrap, truncate, reduced separator spacing
  - Hero: reduced top padding pt-28 on mobile
  - Product image card: 4/3 aspect ratio and smaller padding on mobile
  - Section spacing: use responsive md: prefixes throughout
  - Data tables: 2-col grid on mobile, smaller card padding/radius
  - Tables: add right-edge scroll hint gradient on mobile

components/Header.tsx

@@ -141,7 +141,8 @@ export default function Header() {
     {
       '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,
+      'bg-primary/90 backdrop-blur-md py-3 md:py-4 shadow-2xl':
+        !isHomePage || isScrolled || isMobileMenuOpen,
     },
   );
 
@@ -152,9 +153,7 @@ export default function Header() {
     <>
       <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 fill-mode-both"
-          >
+          <div className="flex-shrink-0 group touch-target fill-mode-both">
             <Link
               href={`/${currentLocale}`}
               onClick={() =>
@@ -336,115 +335,115 @@ export default function Header() {
             </button>
           </div>
         </div>
+      </header>
 
-        {/* Mobile Menu Overlay */}
-        <div
-          className={cn(
-            'fixed inset-0 bg-primary z-[60] 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}
-          inert={isMobileMenuOpen ? undefined : true}
-        >
-          <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}${item.href === '/' ? '' : item.href}`}
-                  aria-current={
-                    (
-                      item.href === '/'
-                        ? pathname === `/${currentLocale}` || pathname === '/'
-                        : pathname.startsWith(`/${currentLocale}${item.href}`)
-                    )
-                      ? 'page'
-                      : undefined
-                  }
-                  onClick={() => {
-                    setIsMobileMenuOpen(false);
-                    trackEvent(AnalyticsEvents.LINK_CLICK, {
-                      label: item.label,
-                      href: item.href,
-                      location: 'mobile_menu',
-                    });
-                  }}
-                  className={cn(
-                    'text-2xl md:text-3xl font-extrabold text-white hover:text-accent transition-all transform block py-4',
-                    (item.href === '/'
-                      ? pathname === `/${currentLocale}` || pathname === '/'
-                      : pathname.startsWith(`/${currentLocale}${item.href}`)) && 'text-accent',
-                  )}
-                >
-                  {item.label}
-                </Link>
-              </div>
-            ))}
-
+      {/* Mobile Menu Overlay */}
+      <div
+        className={cn(
+          'fixed inset-0 bg-primary/95 backdrop-blur-3xl z-[60] lg:hidden transition-all duration-500 ease-in-out flex flex-col',
+          isMobileMenuOpen
+            ? 'opacity-100 translate-y-0'
+            : 'opacity-0 -translate-y-full pointer-events-none',
+        )}
+        id="mobile-menu"
+        role="dialog"
+        aria-modal="true"
+        aria-label={t('menu')}
+        ref={mobileMenuRef}
+        inert={isMobileMenuOpen ? undefined : true}
+      >
+        <nav className="flex-grow flex flex-col justify-center items-center p-8 space-y-8">
+          {menuItems.map((item, idx) => (
             <div
+              key={item.href}
               className={cn(
-                'pt-8 border-t border-white/10 w-full flex flex-col items-center space-y-8 transition-all duration-500',
+                'transition-all duration-500 transform',
                 isMobileMenuOpen ? 'opacity-100 translate-y-0' : 'opacity-0 translate-y-8',
               )}
-              style={{ transitionDelay: isMobileMenuOpen ? '600ms' : '0ms' }}
+              style={{ transitionDelay: `${isMobileMenuOpen ? 200 + idx * 80 : 0}ms` }}
             >
-              <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 ${currentLocale === 'de' ? 'text-accent' : 'opacity-80'}`}
-                  >
-                    DE
-                  </Link>
-                </div>
-              </div>
+              <Link
+                href={`/${currentLocale}${item.href === '/' ? '' : item.href}`}
+                aria-current={
+                  (
+                    item.href === '/'
+                      ? pathname === `/${currentLocale}` || pathname === '/'
+                      : pathname.startsWith(`/${currentLocale}${item.href}`)
+                  )
+                    ? 'page'
+                    : undefined
+                }
+                onClick={() => {
+                  setIsMobileMenuOpen(false);
+                  trackEvent(AnalyticsEvents.LINK_CLICK, {
+                    label: item.label,
+                    href: item.href,
+                    location: 'mobile_menu',
+                  });
+                }}
+                className={cn(
+                  'text-2xl md:text-3xl font-extrabold text-white hover:text-accent transition-all transform block py-4',
+                  (item.href === '/'
+                    ? pathname === `/${currentLocale}` || pathname === '/'
+                    : pathname.startsWith(`/${currentLocale}${item.href}`)) && 'text-accent',
+                )}
+              >
+                {item.label}
+              </Link>
+            </div>
+          ))}
 
-              <div className="w-full max-w-xs">
-                <Button
-                  href={`/${currentLocale}/${currentLocale === 'de' ? 'kontakt' : 'contact'}`}
-                  variant="accent"
-                  size="lg"
-                  className="w-full py-6 text-lg md:text-xl shadow-2xl hover:scale-105 transition-transform"
+          <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'}`}
                 >
-                  {t('contact')}
-                </Button>
+                  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>
 
-            {/* 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 className="w-full max-w-xs">
+              <Button
+                href={`/${currentLocale}/${currentLocale === 'de' ? 'kontakt' : '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>
-          </nav>
-        </div>
-      </header>
+          </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>
     </>
   );
 }

components/PayloadRichText.tsx

@@ -39,95 +39,17 @@ import CTA from '@/components/home/CTA';
 const jsxConverters: JSXConverters = {
   ...defaultJSXConverters,
   // Let the default converters handle text nodes to preserve valid formatting
-  // If the text node contains raw HTML (from messy migrations), render it as HTML instead of escaping it
-  text: ({ node }: any) => {
-    const text = node.text;
-    // Handle markdown-style lists embedded in text nodes from Markdown migration
-    if (text && text.includes('\n- ')) {
-      const parts = text.split('\n- ').filter((p: string) => p.trim() !== '');
-      // If first part doesn't start with "- ", it's a prefix paragraph
-      const startsWithDash = text.trimStart().startsWith('- ');
-      const prefix = startsWithDash ? null : parts.shift();
-      return (
-        <div className="my-4">
-          {prefix && (
-            <div dangerouslySetInnerHTML={prefix.includes('<') ? { __html: prefix } : undefined}>
-              {!prefix.includes('<') ? prefix : undefined}
-            </div>
-          )}
-          <ul className="list-disc pl-6 my-4 space-y-2">
-            {parts.map((item: string, i: number) => {
-              const cleanItem = item.trim();
-              if (cleanItem.includes('<')) {
-                return <li key={i} dangerouslySetInnerHTML={{ __html: cleanItem }} />;
-              }
-              return <li key={i}>{cleanItem}</li>;
-            })}
-          </ul>
-        </div>
-      );
-    }
-
-    if (text && (text.includes('<') || text.includes('data-start'))) {
-      return <span dangerouslySetInnerHTML={{ __html: text }} />;
-    }
-
-    // Handle markdown-style links [text](url) from Markdown migration
-    if (text && /\[([^\]]+)\]\(([^)]+)\)/.test(text)) {
-      const parts: React.ReactNode[] = [];
-      const remaining = text;
-      let key = 0;
-      const linkRegex = /\[([^\]]+)\]\(([^)]+)\)/g;
-      let match;
-      let lastIndex = 0;
-      while ((match = linkRegex.exec(remaining)) !== null) {
-        if (match.index > lastIndex) {
-          parts.push(<span key={key++}>{remaining.slice(lastIndex, match.index)}</span>);
-        }
-        parts.push(
-          <a
-            key={key++}
-            href={match[2]}
-            target="_blank"
-            rel="noopener noreferrer"
-            className="text-primary underline decoration-primary/30 hover:decoration-primary transition-colors"
-          >
-            {match[1]}
-          </a>,
-        );
-        lastIndex = match.index + match[0].length;
-      }
-      if (lastIndex < remaining.length) {
-        parts.push(<span key={key++}>{remaining.slice(lastIndex)}</span>);
-      }
-      return <>{parts}</>;
-    }
-
-    // Handle newlines in text nodes — convert to <br> for proper line breaks
-    if (text && text.includes('\n')) {
-      const lines = text.split('\n');
-      return (
-        <>
-          {lines.map((line: string, i: number) => (
-            <span key={i}>
-              {line}
-              {i < lines.length - 1 && <br />}
-            </span>
-          ))}
-        </>
-      );
-    }
-
-    if (node.format === 1) return <strong key="bold">{text}</strong>;
-    if (node.format === 2) return <em key="italic">{text}</em>;
-    return <span key="text">{text}</span>;
-  },
   // Use div instead of p for paragraphs to allow nested block elements (like the lists above)
-  paragraph: ({ children }: any) => (
-    <div className="mb-6 leading-relaxed text-text-secondary">{children}</div>
-  ),
+  paragraph: ({ node, nodesToJSX }: any) => {
+    return (
+      <div className="mb-6 leading-relaxed text-text-secondary">
+        {nodesToJSX({ nodes: node.children })}
+      </div>
+    );
+  },
   // Scale headings to prevent multiple H1s (H1 -> H2, etc) and style natively
-  heading: ({ node, children }: any) => {
+  heading: ({ node, nodesToJSX }: any) => {
+    const children = nodesToJSX({ nodes: node.children });
     const tag = node?.tag;
     if (tag === 'h1')
       return (
@@ -151,7 +73,8 @@ const jsxConverters: JSXConverters = {
       );
     return <h6 className="text-base font-bold mt-6 mb-4 text-text-primary">{children}</h6>;
   },
-  list: ({ node, children }: any) => {
+  list: ({ node, nodesToJSX }: any) => {
+    const children = nodesToJSX({ nodes: node.children });
     if (node?.listType === 'number') {
       return (
         <ol className="list-decimal pl-6 my-6 space-y-2 text-text-secondary marker:text-primary marker:font-bold">
@@ -168,7 +91,8 @@ const jsxConverters: JSXConverters = {
       </ul>
     );
   },
-  listitem: ({ node, children }: any) => {
+  listitem: ({ node, nodesToJSX }: any) => {
+    const children = nodesToJSX({ nodes: node.children });
     if (node?.checked != null) {
       return (
         <li className="flex items-center gap-3 mb-2 leading-relaxed">
@@ -184,12 +108,16 @@ const jsxConverters: JSXConverters = {
     }
     return <li className="mb-2 leading-relaxed">{children}</li>;
   },
-  quote: ({ children }: any) => (
-    <blockquote className="border-l-4 border-primary bg-primary/5 rounded-r-2xl pl-6 py-4 my-8 italic text-text-secondary shadow-sm">
-      {children}
-    </blockquote>
-  ),
-  link: ({ node, children }: any) => {
+  quote: ({ node, nodesToJSX }: any) => {
+    const children = nodesToJSX({ nodes: node.children });
+    return (
+      <blockquote className="border-l-4 border-primary bg-primary/5 rounded-r-2xl pl-6 py-4 my-8 italic text-text-secondary shadow-sm">
+        {children}
+      </blockquote>
+    );
+  },
+  link: ({ node, nodesToJSX }: any) => {
+    const children = nodesToJSX({ nodes: node.children });
     // Handling Payload CMS link nodes
     const href = node?.fields?.url || node?.url || '#';
     const newTab = node?.fields?.newTab || node?.newTab;
@@ -1090,6 +1018,10 @@ export default function PayloadRichText({
 
   if (!data) return null;
 
+  if (data.root?.children?.length > 0) {
+    console.log('[PayloadRichText DEBUG] received children', data.root.children.length);
+  }
+
   const dynamicConverters: JSXConverters = {
     ...jsxConverters,
     blocks: {

components/ProductTechnicalData.tsx

@@ -38,14 +38,14 @@ export default function ProductTechnicalData({ data }: ProductTechnicalDataProps
   };
 
   return (
-    <div className="space-y-16">
+    <div className="space-y-8 md:space-y-16">
       {technicalItems.length > 0 && (
-        <div className="bg-white p-8 md:p-12 rounded-[32px] shadow-sm border border-neutral-dark/5">
+        <div className="bg-white p-5 md:p-12 rounded-[20px] md:rounded-[32px] shadow-sm border border-neutral-dark/5">
           <h3 className="text-2xl font-bold text-primary mb-8 flex items-center gap-3">
             <div className="w-2 h-8 bg-accent rounded-full" />
             General Data
           </h3>
-          <dl className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-x-12 gap-y-8">
+          <dl className="grid grid-cols-2 sm:grid-cols-2 lg:grid-cols-3 gap-x-6 gap-y-6 md:gap-x-12 md:gap-y-8">
             {technicalItems.map((item, idx) => (
               <div key={idx} className="flex flex-col group">
                 <dt className="text-sm font-bold uppercase tracking-widest text-primary/40 mb-2 group-hover:text-accent transition-colors">
@@ -72,7 +72,7 @@ export default function ProductTechnicalData({ data }: ProductTechnicalDataProps
         return (
           <div
             key={idx}
-            className="bg-white p-8 md:p-12 rounded-[32px] shadow-sm border border-neutral-dark/5 overflow-hidden"
+            className="bg-white p-5 md:p-12 rounded-[20px] md:rounded-[32px] shadow-sm border border-neutral-dark/5 overflow-hidden"
           >
             <h3 className="text-2xl font-bold text-primary mb-8 flex items-center gap-3">
               <div className="w-2 h-8 bg-accent rounded-full" />
@@ -83,7 +83,7 @@ export default function ProductTechnicalData({ data }: ProductTechnicalDataProps
             </h3>
 
             {table.metaItems.length > 0 && (
-              <dl className="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-3 lg:grid-cols-4 gap-8 mb-12 bg-neutral-light/50 p-8 rounded-2xl border border-neutral-dark/5">
+              <dl className="grid grid-cols-2 sm:grid-cols-2 md:grid-cols-3 lg:grid-cols-4 gap-4 md:gap-8 mb-6 md:mb-12 bg-neutral-light/50 p-4 md:p-8 rounded-xl md:rounded-2xl border border-neutral-dark/5">
                 {table.metaItems.map((item, mIdx) => (
                   <div key={mIdx}>
                     <dt className="text-[10px] font-black uppercase tracking-[0.2em] text-primary/40 mb-1">
@@ -98,9 +98,11 @@ export default function ProductTechnicalData({ data }: ProductTechnicalDataProps
             )}
 
             <div className="relative">
+              {/* Scroll hint gradient on right edge for mobile */}
+              <div className="pointer-events-none absolute right-0 top-0 h-full w-8 bg-gradient-to-l from-white to-transparent z-20 md:hidden" />
               <div
                 id={`voltage-table-${idx}`}
-                className={`overflow-x-auto -mx-8 md:-mx-12 px-8 md:px-12 transition-all duration-500 ease-in-out ${
+                className={`overflow-x-auto -mx-5 md:-mx-12 px-5 md:px-12 transition-all duration-500 ease-in-out ${
                   !isExpanded && hasManyRows ? 'max-h-[400px] overflow-y-hidden' : 'max-h-[none]'
                 }`}
               >