feat(03-01): create 9 shared components for landing sections and project display

- HeroSection: title + subtitle + 3 CTA UButtons
- FeaturedProjectsSection: 3 featured projects via useProjects()
- ServicesSection: 4 service cards with UCard + UIcon
- TestimonialsSection: UCard per testimonial with ratings and stats
- FAQSection: UAccordion with i18n-resolved items
- CTASection: final CTA with 2 UButtons
- ProjectCard: NuxtLink + NuxtImg + UBadge + schema.org microdata
- TechBadge: Technology lookup with NuxtImg + UBadge level
- ProjectGallery: UModal fullscreen + UCarousel + thumbnails + keyboard nav

app/components/sections/CTASection.vue

@@ -0,0 +1,20 @@
+<script setup lang="ts">
+const { t } = useI18n()
+</script>
+
+<template>
+  <section class="py-16 px-4">
+    <div class="max-w-3xl mx-auto text-center">
+      <h2 class="text-3xl font-bold mb-4">{{ t('home.cta2.title') }}</h2>
+      <p class="text-lg text-muted mb-8">{{ t('home.cta2.subtitle') }}</p>
+      <div class="flex gap-4 justify-center">
+        <UButton to="/contact" size="lg">
+          {{ t('home.cta2.startProject') }}
+        </UButton>
+        <UButton to="/about" size="lg" variant="outline">
+          {{ t('home.cta2.learnMore') }}
+        </UButton>
+      </div>
+    </div>
+  </section>
+</template>