diff --git a/app/pages/project/[id].vue b/app/pages/project/[id].vue
new file mode 100644
index 0000000..02d9f6d
--- /dev/null
+++ b/app/pages/project/[id].vue
@@ -0,0 +1,216 @@
+<script setup lang="ts">
+const route = useRoute()
+const { t } = useI18n()
+const { findById, projects } = useProjects()
+
+const project = findById(route.params.id as string)
+
+if (!project.value) {
+  throw createError({ status: 404, statusText: 'Project not found' })
+}
+
+const galleryRef = useTemplateRef('gallery')
+
+const relatedProjects = computed(() => {
+  if (!project.value) return []
+  return projects.value
+    .filter((p) => p.id !== project.value!.id && p.category === project.value!.category)
+    .slice(0, 3)
+})
+
+useSeoMeta({
+  title: () => project.value?.title ?? '',
+  description: () => project.value?.description ?? '',
+  ogTitle: () => project.value?.title ?? '',
+  ogDescription: () => project.value?.description ?? '',
+  ogImage: 'https://killiandalcin.fr/og-image.png',
+  ogType: 'website',
+})
+</script>
+
+<template>
+  <div v-if="project" class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
+    <!-- Breadcrumb -->
+    <nav class="mb-8">
+      <UButton
+        variant="link"
+        icon="i-lucide-arrow-left"
+        to="/projects"
+      >
+        {{ t('projects.projectDetail.backToProjects') }}
+      </UButton>
+    </nav>
+
+    <!-- Hero Grid -->
+    <div class="grid grid-cols-1 lg:grid-cols-2 gap-8 mb-12">
+      <!-- Project Image -->
+      <div class="rounded-lg overflow-hidden">
+        <NuxtImg
+          v-if="project.image"
+          :src="project.image"
+          :alt="project.title"
+          class="w-full h-auto object-cover"
+          format="webp"
+          loading="lazy"
+        />
+      </div>
+
+      <!-- Project Info -->
+      <div class="flex flex-col justify-center">
+        <div class="flex items-center gap-3 mb-4">
+          <UBadge v-if="project.category" variant="subtle">{{ project.category }}</UBadge>
+          <span v-if="project.date" class="text-sm text-muted">{{ project.date }}</span>
+        </div>
+
+        <h1 class="text-3xl font-bold mb-4">{{ project.title }}</h1>
+        <p class="text-lg text-muted mb-6">{{ project.description }}</p>
+
+        <!-- CTA Buttons -->
+        <div class="flex flex-wrap gap-3">
+          <UButton
+            v-if="project.demoUrl"
+            :to="project.demoUrl"
+            target="_blank"
+            icon="i-lucide-external-link"
+          >
+            {{ t('projects.projectDetail.viewDemo') }}
+          </UButton>
+
+          <UButton
+            v-if="project.githubUrl"
+            :to="project.githubUrl"
+            target="_blank"
+            variant="soft"
+            icon="i-lucide-github"
+          >
+            {{ t('projects.projectDetail.sourceCode') }}
+          </UButton>
+
+          <UButton
+            v-for="button in project.buttons"
+            :key="button.title"
+            :to="button.link"
+            target="_blank"
+            variant="outline"
+            icon="i-lucide-external-link"
+          >
+            {{ button.title }}
+          </UButton>
+        </div>
+      </div>
+    </div>
+
+    <!-- Content Grid: Main + Sidebar -->
+    <div class="grid grid-cols-1 lg:grid-cols-3 gap-8">
+      <!-- Main Content -->
+      <div class="lg:col-span-2 space-y-12">
+        <!-- About -->
+        <section>
+          <h2 class="text-2xl font-bold mb-4">{{ t('projects.projectDetail.aboutProject') }}</h2>
+          <p class="text-muted leading-relaxed">
+            {{ project.longDescription || project.description }}
+          </p>
+
+          <!-- Features -->
+          <div v-if="project.features" class="mt-6">
+            <h3 class="text-lg font-semibold mb-3">{{ t('projects.projectDetail.keyFeatures') }}</h3>
+            <ul class="space-y-2">
+              <li v-for="feature in project.features" :key="feature" class="flex items-start gap-2">
+                <UIcon name="i-lucide-check" class="text-primary mt-1 shrink-0" />
+                <span>{{ feature }}</span>
+              </li>
+            </ul>
+          </div>
+        </section>
+
+        <!-- Technologies -->
+        <section v-if="project.technologies.length">
+          <h2 class="text-2xl font-bold mb-4">{{ t('projects.projectDetail.technologiesUsed') }}</h2>
+          <div class="flex flex-wrap gap-2">
+            <TechBadge v-for="tech in project.technologies" :key="tech" :tech="tech" />
+          </div>
+        </section>
+
+        <!-- Gallery Thumbnails -->
+        <section v-if="project.gallery?.length">
+          <h2 class="text-2xl font-bold mb-4">{{ t('projects.projectDetail.gallery') }}</h2>
+          <div class="grid grid-cols-2 sm:grid-cols-3 gap-4">
+            <button
+              v-for="(image, index) in project.gallery"
+              :key="index"
+              class="relative rounded-lg overflow-hidden group cursor-pointer"
+              @click="galleryRef?.openGallery(index)"
+            >
+              <NuxtImg
+                :src="image"
+                :alt="`${project.title} - Image ${index + 1}`"
+                class="w-full h-32 object-cover"
+                loading="lazy"
+                format="webp"
+              />
+              <div class="absolute inset-0 bg-black/0 group-hover:bg-black/40 transition-colors flex items-center justify-center">
+                <UIcon name="i-lucide-zoom-in" class="text-white opacity-0 group-hover:opacity-100 transition-opacity text-2xl" />
+              </div>
+            </button>
+          </div>
+        </section>
+      </div>
+
+      <!-- Sidebar -->
+      <aside class="space-y-6">
+        <!-- Project Info Card -->
+        <UCard>
+          <template #header>
+            <h3 class="font-semibold">{{ t('projects.projectDetail.projectInfo') }}</h3>
+          </template>
+
+          <div class="space-y-3 text-sm">
+            <div v-if="project.date" class="flex justify-between">
+              <span class="text-muted">{{ t('projects.projectDetail.date') }}</span>
+              <span class="font-medium">{{ project.date }}</span>
+            </div>
+            <div v-if="project.category" class="flex justify-between">
+              <span class="text-muted">{{ t('projects.projectDetail.category') }}</span>
+              <span class="font-medium">{{ project.category }}</span>
+            </div>
+          </div>
+        </UCard>
+
+        <!-- Related Projects -->
+        <div v-if="relatedProjects.length > 0">
+          <h3 class="font-semibold mb-4">{{ t('projects.projectDetail.relatedProjects') }}</h3>
+          <div class="space-y-3">
+            <NuxtLink
+              v-for="related in relatedProjects"
+              :key="related.id"
+              :to="`/project/${related.id}`"
+              class="flex gap-3 p-2 rounded-lg hover:bg-elevated transition-colors"
+            >
+              <NuxtImg
+                v-if="related.image"
+                :src="related.image"
+                :alt="related.title"
+                width="60"
+                height="45"
+                class="rounded object-cover shrink-0"
+                loading="lazy"
+              />
+              <div class="min-w-0">
+                <p class="font-medium text-sm truncate">{{ related.title }}</p>
+                <p class="text-xs text-muted line-clamp-2">{{ related.description }}</p>
+              </div>
+            </NuxtLink>
+          </div>
+        </div>
+      </aside>
+    </div>
+
+    <!-- Gallery Modal -->
+    <ProjectGallery
+      v-if="project.gallery?.length"
+      ref="gallery"
+      :gallery="project.gallery"
+      :project-title="project.title"
+    />
+  </div>
+</template>