diff --git a/frontend/app/[locale]/blog/[slug]/PostDetails.tsx b/frontend/app/[locale]/blog/[slug]/PostDetails.tsx
index 80d13ea1..b274d1ec 100644
--- a/frontend/app/[locale]/blog/[slug]/PostDetails.tsx
+++ b/frontend/app/[locale]/blog/[slug]/PostDetails.tsx
@@ -5,6 +5,7 @@ import { getTranslations } from 'next-intl/server';
 import { client } from '@/client';
 import { Link } from '@/i18n/routing';
 import { formatBlogDate } from '@/lib/blog/date';
+import { DynamicGridBackground } from '@/components/shared/DynamicGridBackground';
 
 export const revalidate = 0;
 
@@ -289,7 +290,8 @@ export default async function PostDetails({
     : null;
 
   return (
-    <main className="mx-auto max-w-7xl px-4 py-12 sm:px-6 lg:px-8">
+    <DynamicGridBackground className="bg-gray-50 transition-colors duration-300 dark:bg-transparent py-10">
+      <main className="relative z-10 mx-auto max-w-7xl px-4 py-12 sm:px-6 lg:px-8">
       {breadcrumbsJsonLd && (
         <script
           type="application/ld+json"
@@ -501,7 +503,8 @@ export default async function PostDetails({
       {post.resourceLink && null}
 
       {(authorBio || authorName || authorMeta) && null}
-    </main>
+      </main>
+    </DynamicGridBackground>
   );
 }
 
diff --git a/frontend/app/[locale]/blog/category/[category]/page.tsx b/frontend/app/[locale]/blog/category/[category]/page.tsx
index 1e776344..ce23cd29 100644
--- a/frontend/app/[locale]/blog/category/[category]/page.tsx
+++ b/frontend/app/[locale]/blog/category/[category]/page.tsx
@@ -6,6 +6,8 @@ import { client } from '@/client';
 import { Link } from '@/i18n/routing';
 import { BlogCategoryGrid } from '@/components/blog/BlogCategoryGrid';
 import { formatBlogDate } from '@/lib/blog/date';
+import { DynamicGridBackground } from '@/components/shared/DynamicGridBackground';
+import { FeaturedPostCtaButton } from '@/components/blog/FeaturedPostCtaButton';
 
 export const revalidate = 0;
 
@@ -85,89 +87,89 @@ export default async function BlogCategoryPage({
   const featuredDate = formatBlogDate(featuredPost?.publishedAt);
 
   return (
-    <main className="mx-auto max-w-7xl px-4 py-12 sm:px-6 lg:px-8">
-      <nav className="mb-6" aria-label="Breadcrumb">
-        <ol className="flex items-center gap-2 text-sm text-gray-500 dark:text-gray-400">
-          <li className="flex items-center gap-2">
-            <Link
-              href="/blog"
-              className="transition hover:text-[var(--accent-primary)] hover:underline underline-offset-4"
-            >
-              {tNav('blog')}
-            </Link>
-            <span>&gt;</span>
-          </li>
-          <li className="flex items-center gap-2">
-            <span className="text-[var(--accent-primary)]" aria-current="page">
-              {categoryDisplay}
-            </span>
-          </li>
-        </ol>
-      </nav>
-      <h1 className="text-4xl font-bold mb-4 text-center">
-        {categoryDisplay}
-      </h1>
-      {featuredPost?.mainImage && (
-        <section className="mt-10">
-          <article className="group relative overflow-hidden rounded-3xl bg-white dark:bg-black">
-            <div className="h-[320px] w-full overflow-hidden sm:h-[380px] md:h-[450px] lg:h-[618px] max-h-[65vh]">
-              <Image
-                src={featuredPost.mainImage}
-                alt={featuredPost.title}
-                width={1400}
-                height={800}
-                className="h-full w-full object-cover transition-transform duration-300 group-hover:scale-[1.03]"
-                priority={false}
-              />
-            </div>
-            <div className="pointer-events-none absolute inset-x-0 bottom-0 h-56 bg-gradient-to-t from-white/95 via-white/70 to-transparent dark:from-black/90 dark:via-black/60 sm:h-64" />
-            <div className="absolute inset-x-0 bottom-0 p-6 sm:p-8">
-              {featuredPost.categories?.[0] && (
-                <div className="text-sm font-medium text-gray-900 dark:text-gray-100">
-                  {featuredPost.categories[0]}
-                </div>
-              )}
-              <h2 className="mt-2 text-3xl font-semibold text-gray-900 transition group-hover:text-[var(--accent-primary)] dark:text-white dark:group-hover:text-[var(--accent-primary)] sm:text-4xl">
-                {featuredPost.title}
-              </h2>
-              <div className="mt-3 flex items-center gap-3 text-sm text-gray-800 dark:text-gray-200">
-                {featuredPost.author?.image && (
-                  <Image
-                    src={featuredPost.author.image}
-                    alt={featuredPost.author.name || 'Author'}
-                    width={28}
-                    height={28}
-                    className="h-7 w-7 rounded-full object-cover"
-                  />
-                )}
-                {featuredPost.author?.name && (
-                  <span>{featuredPost.author.name}</span>
-                )}
-                {featuredPost.author?.name && featuredDate && <span>·</span>}
-                {featuredDate && featuredPost.publishedAt && (
-                  <time dateTime={featuredPost.publishedAt}>
-                    {featuredDate}
-                  </time>
-                )}
-              </div>
+    <DynamicGridBackground className="bg-gray-50 transition-colors duration-300 dark:bg-transparent py-10">
+      <main className="relative z-10 mx-auto max-w-7xl px-4 py-12 sm:px-6 lg:px-8">
+        <nav className="mb-6" aria-label="Breadcrumb">
+          <ol className="flex items-center gap-2 text-sm text-gray-500 dark:text-gray-400">
+            <li className="flex items-center gap-2">
               <Link
-                href={`/blog/${featuredPost.slug.current}`}
-                className="absolute bottom-6 right-6 inline-flex h-11 w-11 items-center justify-center rounded-full bg-[var(--accent-primary)] text-white opacity-0 transition group-hover:opacity-100 hover:brightness-110"
-                aria-label={featuredPost.title}
+                href="/blog"
+                className="transition hover:text-[var(--accent-primary)] hover:underline underline-offset-4"
               >
-                <span aria-hidden="true">↗</span>
+                {tNav('blog')}
               </Link>
-            </div>
-          </article>
-        </section>
-      )}
-      <div className="mt-12">
-        <BlogCategoryGrid posts={restPosts} />
-      </div>
-      {!posts.length && (
-        <p className="text-center text-gray-500 mt-10">{t('noPosts')}</p>
-      )}
-    </main>
+              <span>&gt;</span>
+            </li>
+            <li className="flex items-center gap-2">
+              <span className="text-[var(--accent-primary)]" aria-current="page">
+                {categoryDisplay}
+              </span>
+            </li>
+          </ol>
+        </nav>
+        <h1 className="text-4xl font-bold mb-4 text-left">
+          {categoryDisplay}
+        </h1>
+        {featuredPost?.mainImage && (
+          <section className="mt-10">
+            <article className="group relative overflow-hidden rounded-3xl bg-white dark:bg-black">
+              <div className="h-[320px] w-full overflow-hidden sm:h-[380px] md:h-[450px] lg:h-[618px] max-h-[65vh]">
+                <Image
+                  src={featuredPost.mainImage}
+                  alt={featuredPost.title}
+                  width={1400}
+                  height={800}
+                  className="h-full w-full object-cover transition-transform duration-300 group-hover:scale-[1.03]"
+                  priority={false}
+                />
+              </div>
+              <div className="pointer-events-none absolute inset-x-0 bottom-0 h-56 bg-gradient-to-t from-white/95 via-white/70 to-transparent dark:from-black/90 dark:via-black/60 sm:h-64" />
+              <div className="absolute inset-x-0 bottom-0 p-6 sm:p-8">
+                {featuredPost.categories?.[0] && (
+                  <div className="text-sm font-medium text-gray-900 dark:text-gray-100">
+                    {featuredPost.categories[0]}
+                  </div>
+                )}
+                <h2 className="mt-2 text-3xl font-semibold text-gray-900 transition group-hover:text-[var(--accent-primary)] dark:text-white dark:group-hover:text-[var(--accent-primary)] sm:text-4xl">
+                  {featuredPost.title}
+                </h2>
+                <div className="mt-3 flex items-center gap-3 text-sm text-gray-800 dark:text-gray-200">
+                  {featuredPost.author?.image && (
+                    <Image
+                      src={featuredPost.author.image}
+                      alt={featuredPost.author.name || 'Author'}
+                      width={28}
+                      height={28}
+                      className="h-7 w-7 rounded-full object-cover"
+                    />
+                  )}
+                  {featuredPost.author?.name && (
+                    <span>{featuredPost.author.name}</span>
+                  )}
+                  {featuredPost.author?.name && featuredDate && <span>·</span>}
+                  {featuredDate && featuredPost.publishedAt && (
+                    <time dateTime={featuredPost.publishedAt}>
+                      {featuredDate}
+                    </time>
+                  )}
+                </div>
+              </div>
+              <FeaturedPostCtaButton
+                href={`/blog/${featuredPost.slug.current}`}
+                label={featuredPost.title || 'Read more'}
+                className="!absolute !bottom-6 !right-6 z-10 h-11 w-11 rounded-full bg-[var(--accent-primary)] text-white opacity-0 shadow-sm transition group-hover:opacity-100 focus-visible:opacity-100 group-focus-within:opacity-100"
+              />
+            </article>
+          </section>
+        )}
+        <div className="mt-12">
+          <BlogCategoryGrid posts={restPosts} />
+        </div>
+        {!posts.length && (
+          <p className="text-center text-gray-500 mt-10">{t('noPosts')}</p>
+        )}
+      </main>
+    </DynamicGridBackground>
   );
 }
 
diff --git a/frontend/app/[locale]/blog/page.tsx b/frontend/app/[locale]/blog/page.tsx
index 67c9e354..caddd764 100644
--- a/frontend/app/[locale]/blog/page.tsx
+++ b/frontend/app/[locale]/blog/page.tsx
@@ -3,6 +3,8 @@ import { unstable_noStore as noStore } from 'next/cache';
 import { getTranslations } from 'next-intl/server';
 import { client } from '@/client';
 import BlogFilters from '@/components/blog/BlogFilters';
+import { BlogPageHeader } from '@/components/blog/BlogPageHeader';
+import { DynamicGridBackground } from '@/components/shared/DynamicGridBackground';
 
 export const revalidate = 0;
 
@@ -22,12 +24,18 @@ export async function generateMetadata({
 
 export default async function BlogPage({
   params,
+  searchParams,
 }: {
   params: Promise<{ locale: string }>;
+  searchParams?: Promise<{ [key: string]: string | string[] | undefined }>;
 }) {
   noStore();
   const { locale } = await params;
   const t = await getTranslations({ locale, namespace: 'blog' });
+  const sp = searchParams ? await searchParams : undefined;
+  const authorParam =
+    typeof sp?.author === 'string' ? sp.author.trim() : '';
+  const hasAuthorFilter = authorParam.length > 0;
 
   const posts = await client.withConfig({ useCdn: false }).fetch(
     groq`
@@ -77,16 +85,17 @@ export default async function BlogPage({
   const featuredPost = posts?.[0];
 
   return (
-    <main className="mx-auto max-w-7xl px-4 py-12 sm:px-6 lg:px-8">
-      <h1 className="text-4xl font-bold mb-4 text-center">{t('title')}</h1>
-      <p className="mx-auto max-w-2xl text-center text-base text-gray-500 dark:text-gray-400">
-        {t('subtitle')}
-      </p>
-      <BlogFilters
-        posts={posts}
-        categories={categories}
-        featuredPost={featuredPost}
-      />
-    </main>
+    <DynamicGridBackground className="bg-gray-50 transition-colors duration-300 dark:bg-transparent py-10">
+      <main className="relative z-10 mx-auto max-w-7xl px-4 py-12 sm:px-6 lg:px-8">
+        {!hasAuthorFilter && (
+          <BlogPageHeader title={t('title')} subtitle={t('subtitle')} />
+        )}
+        <BlogFilters
+          posts={posts}
+          categories={categories}
+          featuredPost={featuredPost}
+        />
+      </main>
+    </DynamicGridBackground>
   );
 }
diff --git a/frontend/components/blog/BlogFilters.tsx b/frontend/components/blog/BlogFilters.tsx
index 43b805f2..2ff2bff1 100644
--- a/frontend/components/blog/BlogFilters.tsx
+++ b/frontend/components/blog/BlogFilters.tsx
@@ -194,9 +194,16 @@ export default function BlogFilters({
     const name = author.name || '';
     const norm = normalizeAuthor(name);
     if (!norm) return;
-    setSelectedAuthor(prev =>
-      prev?.norm === norm ? null : { name, norm, data: author }
-    );
+    const isSame = selectedAuthor?.norm === norm;
+    setSelectedAuthor(isSame ? null : { name, norm, data: author });
+    const params = new URLSearchParams(searchParams?.toString() || '');
+    if (isSame) {
+      params.delete('author');
+    } else {
+      params.set('author', name);
+    }
+    const nextPath = params.toString() ? `${pathname}?${params}` : pathname;
+    router.replace(nextPath);
   };
 
   const clearAll = () => {
@@ -537,7 +544,7 @@ export default function BlogFilters({
               className={
                 !resolvedCategory
                   ? 'rounded-full border border-transparent px-4 py-2 text-sm font-medium text-[var(--accent-primary)] transition whitespace-nowrap sm:border-[var(--accent-primary)]'
-                  : 'rounded-full border border-transparent px-4 py-2 text-sm text-gray-600 hover:text-[var(--accent-primary)] transition whitespace-nowrap dark:text-gray-300 sm:border-gray-300 sm:text-gray-700 sm:dark:border-gray-700 sm:dark:text-gray-200'
+                  : 'rounded-full border border-transparent px-4 py-2 text-sm text-gray-600 transition whitespace-nowrap dark:text-gray-300 sm:border-gray-300 sm:text-gray-700 sm:dark:border-gray-700 sm:dark:text-gray-200 hover:bg-secondary hover:text-foreground'
               }
             >
               {t('all')}
@@ -556,7 +563,7 @@ export default function BlogFilters({
                 className={
                   resolvedCategory?.norm === category.norm
                     ? 'rounded-full border border-transparent px-4 py-2 text-sm font-medium text-[var(--accent-primary)] transition whitespace-nowrap sm:border-[var(--accent-primary)]'
-                    : 'rounded-full border border-transparent px-4 py-2 text-sm text-gray-600 hover:text-[var(--accent-primary)] transition whitespace-nowrap dark:text-gray-300 sm:border-gray-300 sm:text-gray-700 sm:dark:border-gray-700 sm:dark:text-gray-200'
+                    : 'rounded-full border border-transparent px-4 py-2 text-sm text-gray-600 transition whitespace-nowrap dark:text-gray-300 sm:border-gray-300 sm:text-gray-700 sm:dark:border-gray-700 sm:dark:text-gray-200 hover:bg-secondary hover:text-foreground'
                 }
               >
                 {getCategoryLabel(category.name)}
diff --git a/frontend/components/blog/BlogPageHeader.tsx b/frontend/components/blog/BlogPageHeader.tsx
new file mode 100644
index 00000000..3a2ff306
--- /dev/null
+++ b/frontend/components/blog/BlogPageHeader.tsx
@@ -0,0 +1,25 @@
+'use client';
+
+import { useSearchParams } from 'next/navigation';
+
+type BlogPageHeaderProps = {
+  title: string;
+  subtitle: string;
+};
+
+export function BlogPageHeader({ title, subtitle }: BlogPageHeaderProps) {
+  const searchParams = useSearchParams();
+  const authorParam = (searchParams?.get('author') || '').trim();
+  if (authorParam) return null;
+
+  return (
+    <>
+      <h1 className="text-5xl font-extrabold mb-3 text-center leading-[1.1] bg-gradient-to-b from-[color-mix(in_srgb,var(--accent-primary)_70%,white)] to-[var(--accent-hover)] bg-clip-text text-transparent">
+        {title}
+      </h1>
+      <p className="mx-auto mb-10 max-w-2xl text-center text-base text-gray-500 dark:text-gray-400">
+        {subtitle}
+      </p>
+    </>
+  );
+}
diff --git a/frontend/components/blog/FeaturedPostCtaButton.tsx b/frontend/components/blog/FeaturedPostCtaButton.tsx
new file mode 100644
index 00000000..76d3fe3f
--- /dev/null
+++ b/frontend/components/blog/FeaturedPostCtaButton.tsx
@@ -0,0 +1,26 @@
+'use client';
+
+import { ArrowUpRight } from 'lucide-react';
+import { HeaderButton } from '@/components/shared/HeaderButton';
+
+type FeaturedPostCtaButtonProps = {
+  href: string;
+  label: string;
+  className?: string;
+};
+
+export function FeaturedPostCtaButton({
+  href,
+  label,
+  className,
+}: FeaturedPostCtaButtonProps) {
+  return (
+    <HeaderButton
+      href={href}
+      variant="icon"
+      icon={ArrowUpRight}
+      label={label}
+      className={className}
+    />
+  );
+}