fix: mobile layout and visual polishing based on review

app/[locale]/referenzen/page.tsx

@@ -3,19 +3,41 @@ import { getTranslations, setRequestLocale } from 'next-intl/server';
 import { Metadata } from 'next';
 import { getAllReferences } from '@/lib/references';
 import TrackedLink from '@/components/analytics/TrackedLink';
-import { MapPin, Calendar, Briefcase } from 'lucide-react';
+import { MapPin, Calendar, Briefcase, Zap, Activity, ShieldCheck, Wrench, CheckCircle2 } from 'lucide-react';
 import { getButtonClasses, ButtonOverlay } from '@/components/ui/Button';
 import { SITE_URL } from '@/lib/schema';
 import Image from 'next/image';
 import { InteractiveGermanyMap } from '@/components/blocks/InteractiveGermanyMap';
 import { HeroSection } from '@/components/blocks/HeroSection';
 import { defaultLocations, minorLocations } from '@/lib/map-data';
-
 import { MDXRemote } from 'next-mdx-remote/rsc';
 
+const CustomLi = ({ children, ...props }: any) => {
+  let text = '';
+  if (typeof children === 'string') text = children;
+  else if (Array.isArray(children)) text = children.map((c: any) => typeof c === 'string' ? c : '').join(' ');
+  else if (children?.props?.children) text = children.props.children;
+  
+  const lowerText = String(text).toLowerCase();
+  
+  let Icon = CheckCircle2;
+  if (lowerText.includes('kabel')) Icon = Zap;
+  else if (lowerText.includes('bohrung')) Icon = Activity;
+  else if (lowerText.includes('rohr')) Icon = ShieldCheck;
+  else if (lowerText.includes('montage')) Icon = Wrench;
+  else if (lowerText.includes('vlf') || lowerText.includes('otdr')) Icon = Zap;
+  
+  return (
+    <li className="flex items-start gap-3 p-3 bg-neutral-50/50 border border-neutral-100 rounded-xl" {...props}>
+      <Icon className="w-4 h-4 text-primary shrink-0 mt-[2px]" />
+      <span className="text-sm font-medium text-neutral-700 leading-tight">{children}</span>
+    </li>
+  );
+};
+
 const mdxComponents = {
-  ul: (props: any) => <ul className="list-disc pl-5 mb-6 text-neutral-600 text-sm space-y-2" {...props} />,
-  li: (props: any) => <li className="pl-1" {...props} />,
+  ul: (props: any) => <ul className="grid grid-cols-1 gap-2 mb-6" {...props} />,
+  li: CustomLi,
   p: (props: any) => <p className="text-neutral-600 text-sm mb-4 leading-relaxed" {...props} />,
 };
 
@@ -165,7 +187,7 @@ export default async function ReferenzenOverview(props: { params: Promise<{ loca
         </div>
 
         {/* Support Section */}
-        <div className="mt-24 p-8 md:p-12 bg-primary-dark rounded-3xl text-white shadow-2xl relative overflow-hidden group">
+        <div className="mt-12 md:mt-24 p-8 md:p-12 bg-primary-dark rounded-3xl text-white shadow-2xl relative overflow-hidden group">
           <div className="absolute top-0 right-0 w-64 h-full bg-accent/5 -skew-x-12 translate-x-1/2 transition-transform group-hover:translate-x-1/3" />
           <div className="relative z-10 max-w-2xl">
             <h3 className="text-2xl md:text-3xl font-bold mb-4">{t('nextProjectTitle')}</h3>