feat: complete migration to static MDX, stabilize local infrastructure and fix i18n issues

content/en/index.mdx

@@ -0,0 +1,62 @@
+import { Hero } from "@/components/sections/Hero";
+import { PortfolioSection } from "@/components/sections/PortfolioSection";
+import { ExpertiseSection } from "@/components/sections/ExpertiseSection";
+import { TechnicalSpecsSection } from "@/components/sections/TechnicalSpecsSection";
+import { CTASection } from "@/components/sections/CTASection";
+
+<Hero 
+  tag="Technical Consulting"
+  title={<>Specialized Partner for <span className="text-accent">Power Cable Projects</span></>}
+  subtitle="Manufacturer-neutral technical consulting for your projects in medium and high voltage networks up to 110 kV."
+  ctaPrimary="Inquire Project"
+  ctaSecondary="Learn More"
+/>
+
+<PortfolioSection 
+  tag="Portfolio"
+  title="Our Services"
+  description="Consulting by independent experts with decades of experience in engineering, standards committees, planning, and production."
+  linkText="View all details"
+/>
+
+<ExpertiseSection 
+  tag="Expertise"
+  title="Applications & Target Groups"
+  description="We support you in the realization of your cable projects."
+  groups={[
+    "Energy Suppliers",
+    "Engineering Offices",
+    "Civil Engineering Companies",
+    "Industry",
+    "RE Developers",
+    "Planning Offices"
+  ]}
+/>
+
+<TechnicalSpecsSection 
+  tag="Specifications"
+  title="Technical Expertise"
+  items={[
+    {
+      label: "Cable Types",
+      value: "N2XS(FL)2Y, N2X(F)KLD2Y...",
+      desc: "Comprehensive expertise in the design of common high voltage cables."
+    },
+    {
+      label: "Voltage Levels",
+      value: "64/110 kV & Medium Voltage",
+      desc: "Specialized consulting for complex infrastructure projects."
+    },
+    {
+      label: "Conductor Technology",
+      value: "Solid, Multi-wire & Milliken",
+      desc: "Optimization of conductor design regarding current carrying capacity."
+    }
+  ]}
+/>
+
+<CTASection 
+  title="Ready for your next project?"
+  subtitle="Let's find the optimal solution for your energy infrastructure together. We advise you manufacturer-neutrally and competently."
+  buttonText="Contact us now"
+/>