diff --git a/app/a/[slug]/BlogPostClient.tsx b/app/a/[slug]/BlogPostClient.tsx
index 3af4a8c..bd37a40 100644
--- a/app/a/[slug]/BlogPostClient.tsx
+++ b/app/a/[slug]/BlogPostClient.tsx
@@ -6,7 +6,7 @@ import { ArrowLeft, Calendar, User } from "lucide-react"
 import Image from "next/image"
 import { MarkdownRenderer } from "@/lib/markdown-renderer"
 import Footer from "@/components/footer"
-import { BlogPost } from "@/lib/blog"
+import type { BlogPost } from "@/types/blog"
 
 export default function BlogPostPage({ post }: { post: BlogPost }) {
   const [copied, setCopied] = useState(false)
diff --git a/app/page.tsx b/app/page.tsx
index af58c9a..e574f52 100644
--- a/app/page.tsx
+++ b/app/page.tsx
@@ -7,28 +7,12 @@ import BlogCard from "@/components/blog-card"
 import Pagination from "@/components/pagination"
 import Link from "next/link"
 import Footer from "@/components/footer"
-
-interface BlogPost {
-  slug: string
-  title: string
-  author: string
-  date: string
-  image: string
-  excerpt: string
-  featured: boolean
-}
-
-interface PaginatedData {
-  posts: BlogPost[]
-  totalPages: number
-  hasNextPage: boolean
-  hasPrevPage: boolean
-}
+import type { PaginatedPosts } from "@/types/blog"
 
 export default function HomePage() {
   const router = useRouter()
   const searchParams = useSearchParams()
-  const [paginatedData, setPaginatedData] = useState<PaginatedData | null>(null)
+  const [paginatedData, setPaginatedData] = useState<PaginatedPosts | null>(null)
   const [loading, setLoading] = useState(true)
   const [currentPage, setCurrentPage] = useState(1)
 
diff --git a/components/blog-card.tsx b/components/blog-card.tsx
index a74b383..299bd48 100644
--- a/components/blog-card.tsx
+++ b/components/blog-card.tsx
@@ -1,16 +1,7 @@
 import Image from "next/image"
 import Link from "next/link"
 import { User, Star } from "lucide-react"
-
-interface BlogPost {
-  slug: string
-  title: string
-  author: string
-  date: string
-  image: string
-  excerpt: string
-  featured: boolean
-}
+import type { BlogPost } from "@/types/blog"
 
 interface BlogCardProps {
   post: BlogPost
diff --git a/lib/blog-server.ts b/lib/blog-server.ts
index a46d598..9f03cae 100644
--- a/lib/blog-server.ts
+++ b/lib/blog-server.ts
@@ -2,17 +2,7 @@ import { readFileSync, existsSync } from 'fs'
 import { join } from 'path'
 import matter from 'gray-matter'
 import articlesIndex from '../public/articles/articles-index.json'
-
-export interface BlogPost {
-  slug: string
-  title: string
-  author: string
-  date: string
-  image: string
-  excerpt: string
-  content: string
-  featured: boolean
-}
+import type { BlogPost } from '@/types/blog'
 
 // Server-side function to get post by slug with actual markdown content
 export function getPostBySlugServer(slug: string): BlogPost | null {
diff --git a/lib/blog.ts b/lib/blog.ts
index d7d7025..6e731be 100644
--- a/lib/blog.ts
+++ b/lib/blog.ts
@@ -1,15 +1,5 @@
 import articlesIndex from '../public/articles/articles-index.json'
-
-export interface BlogPost {
-  slug: string
-  title: string
-  author: string
-  date: string
-  image: string
-  excerpt: string
-  content: string
-  featured: boolean
-}
+import type { BlogPost, PaginatedPosts } from '@/types/blog'
 
 // Get all posts from articles index (client-safe)
 export function getAllPosts(): BlogPost[] {
@@ -39,13 +29,7 @@ export function getPostBySlug(slug: string): BlogPost | null {
 export function getPaginatedPosts(
   page = 1,
   limit = 6,
-): {
-  posts: BlogPost[]
-  totalPages: number
-  currentPage: number
-  hasNextPage: boolean
-  hasPrevPage: boolean
-} {
+): PaginatedPosts {
   const allPosts = getAllPosts()
   const totalPosts = allPosts.length
   const totalPages = Math.ceil(totalPosts / limit)
diff --git a/types/blog.ts b/types/blog.ts
new file mode 100644
index 0000000..0e075b3
--- /dev/null
+++ b/types/blog.ts
@@ -0,0 +1,18 @@
+export interface BlogPost {
+  slug: string
+  title: string
+  author: string
+  date: string
+  image: string
+  excerpt: string
+  content: string
+  featured: boolean
+}
+
+export interface PaginatedPosts {
+  posts: BlogPost[]
+  totalPages: number
+  currentPage: number
+  hasNextPage: boolean
+  hasPrevPage: boolean
+}