diff --git a/themes/tsuki/assets/icons/github.svg b/themes/tsuki/assets/icons/github.svg
new file mode 100644
index 0000000..af4afa2
--- /dev/null
+++ b/themes/tsuki/assets/icons/github.svg
@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="currentColor" aria-hidden="true">
+  <path d="M12 .5C5.65.5.5 5.65.5 12c0 5.08 3.29 9.39 7.86 10.91.58.11.79-.25.79-.56v-2c-3.2.7-3.88-1.36-3.88-1.36-.52-1.32-1.27-1.67-1.27-1.67-1.04-.71.08-.7.08-.7 1.15.08 1.76 1.18 1.76 1.18 1.02 1.76 2.69 1.25 3.34.95.1-.74.4-1.25.73-1.54-2.55-.29-5.24-1.28-5.24-5.7 0-1.26.45-2.29 1.18-3.1-.12-.29-.51-1.46.11-3.05 0 0 .96-.31 3.15 1.18a10.94 10.94 0 0 1 5.74 0c2.19-1.49 3.15-1.18 3.15-1.18.62 1.59.23 2.76.11 3.05.74.81 1.18 1.84 1.18 3.1 0 4.43-2.69 5.4-5.26 5.69.41.36.78 1.06.78 2.14v3.18c0 .31.21.68.8.56C20.21 21.39 23.5 17.08 23.5 12 23.5 5.65 18.35.5 12 .5z"/>
+</svg>
diff --git a/themes/tsuki/assets/icons/mail.svg b/themes/tsuki/assets/icons/mail.svg
new file mode 100644
index 0000000..55dafda
--- /dev/null
+++ b/themes/tsuki/assets/icons/mail.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
+  <rect x="2" y="4" width="20" height="16" rx="2"/>
+  <path d="m22 6-10 7L2 6"/>
+</svg>
diff --git a/themes/tsuki/assets/icons/rss.svg b/themes/tsuki/assets/icons/rss.svg
new file mode 100644
index 0000000..057a46c
--- /dev/null
+++ b/themes/tsuki/assets/icons/rss.svg
@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
+  <path d="M4 11a9 9 0 0 1 9 9"/>
+  <path d="M4 4a16 16 0 0 1 16 16"/>
+  <circle cx="5" cy="19" r="1"/>
+</svg>
diff --git a/themes/tsuki/exampleSite/data/profile.yaml b/themes/tsuki/exampleSite/data/profile.yaml
new file mode 100644
index 0000000..0f69022
--- /dev/null
+++ b/themes/tsuki/exampleSite/data/profile.yaml
@@ -0,0 +1,18 @@
+name: "Tien Nguyen"
+handle: "tiennm99"
+tagline: "Building tools, breaking things, writing it down."
+avatar: "img/avatar.svg"
+bio: |
+  Software engineer based in Ho Chi Minh City. I build for the web,
+  experiment with AI tooling, and write down what I learn.
+
+links:
+  - icon: github
+    label: GitHub
+    url: https://github.com/tiennm99
+  - icon: mail
+    label: Email
+    url: mailto:hi@miti99.com
+  - icon: rss
+    label: RSS
+    url: /index.xml
diff --git a/themes/tsuki/exampleSite/data/projects.yaml b/themes/tsuki/exampleSite/data/projects.yaml
new file mode 100644
index 0000000..839a6e9
--- /dev/null
+++ b/themes/tsuki/exampleSite/data/projects.yaml
@@ -0,0 +1,25 @@
+featured:
+  - title: "bonsai"
+    tagline: "Minimalist Hugo theme for link-in-bio. Inspired by Linktree and Japanese bonsai aesthetics."
+    repo: https://github.com/tiennm99/bonsai
+    demo: https://tiennm99.github.io/bonsai/
+    image: "img/projects/bonsai.svg"
+    tags: [hugo, theme, minimal]
+
+  - title: "miti99bot"
+    tagline: "Plug-n-play Telegram bot framework on Cloudflare Workers with grammY."
+    repo: https://github.com/tiennm99/miti99bot
+    image: "img/projects/miti99bot.svg"
+    tags: [telegram, cloudflare, framework]
+
+  - title: "rplace"
+    tagline: "Collaborative pixel art canvas inspired by Reddit r/place. Real-time WebSocket sync."
+    repo: https://github.com/tiennm99/rplace
+    image: "img/projects/rplace.svg"
+    tags: [svelte, hono, durable-objects]
+
+  - title: "vngeoguessr"
+    tagline: "GeoGuessr clone for Vietnamese locations. Mapillary street view + Redis leaderboards."
+    repo: https://github.com/tiennm99/vngeoguessr
+    image: "img/projects/vngeoguessr.svg"
+    tags: [geo, mapillary, redis]
diff --git a/themes/tsuki/exampleSite/static/img/avatar.svg b/themes/tsuki/exampleSite/static/img/avatar.svg
new file mode 100644
index 0000000..26300d2
--- /dev/null
+++ b/themes/tsuki/exampleSite/static/img/avatar.svg
@@ -0,0 +1,10 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 120 120" width="120" height="120">
+  <defs>
+    <linearGradient id="g" x1="0" y1="0" x2="1" y2="1">
+      <stop offset="0%" stop-color="#1a1a2e"/>
+      <stop offset="100%" stop-color="#4a4a7e"/>
+    </linearGradient>
+  </defs>
+  <circle cx="60" cy="60" r="60" fill="url(#g)"/>
+  <text x="60" y="74" text-anchor="middle" font-family="system-ui,sans-serif" font-size="48" fill="#f5f5f5" font-weight="300">月</text>
+</svg>
diff --git a/themes/tsuki/exampleSite/static/img/projects/bonsai.svg b/themes/tsuki/exampleSite/static/img/projects/bonsai.svg
new file mode 100644
index 0000000..0c6e946
--- /dev/null
+++ b/themes/tsuki/exampleSite/static/img/projects/bonsai.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 200" width="320" height="200">
+  <rect width="320" height="200" fill="#0d1f17"/>
+  <text x="160" y="110" text-anchor="middle" font-family="serif" font-size="64" fill="#7fb8a4">盆栽</text>
+</svg>
diff --git a/themes/tsuki/exampleSite/static/img/projects/miti99bot.svg b/themes/tsuki/exampleSite/static/img/projects/miti99bot.svg
new file mode 100644
index 0000000..b3543e8
--- /dev/null
+++ b/themes/tsuki/exampleSite/static/img/projects/miti99bot.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 200" width="320" height="200">
+  <rect width="320" height="200" fill="#1f2937"/>
+  <text x="160" y="118" text-anchor="middle" font-family="ui-monospace,monospace" font-size="40" fill="#60a5fa">miti99bot</text>
+</svg>
diff --git a/themes/tsuki/exampleSite/static/img/projects/rplace.svg b/themes/tsuki/exampleSite/static/img/projects/rplace.svg
new file mode 100644
index 0000000..107a0ba
--- /dev/null
+++ b/themes/tsuki/exampleSite/static/img/projects/rplace.svg
@@ -0,0 +1,17 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 200" width="320" height="200">
+  <rect width="320" height="200" fill="#fef3c7"/>
+  <g>
+    <rect x="40" y="40" width="40" height="40" fill="#ef4444"/>
+    <rect x="80" y="40" width="40" height="40" fill="#22c55e"/>
+    <rect x="120" y="40" width="40" height="40" fill="#3b82f6"/>
+    <rect x="160" y="40" width="40" height="40" fill="#f59e0b"/>
+    <rect x="200" y="40" width="40" height="40" fill="#a855f7"/>
+    <rect x="240" y="40" width="40" height="40" fill="#06b6d4"/>
+    <rect x="40" y="80" width="40" height="40" fill="#22c55e"/>
+    <rect x="80" y="80" width="40" height="40" fill="#3b82f6"/>
+    <rect x="120" y="80" width="40" height="40" fill="#ef4444"/>
+    <rect x="200" y="80" width="40" height="40" fill="#06b6d4"/>
+    <rect x="240" y="80" width="40" height="40" fill="#f59e0b"/>
+  </g>
+  <text x="160" y="160" text-anchor="middle" font-family="ui-monospace,monospace" font-size="22" fill="#1f2937">r/place</text>
+</svg>
diff --git a/themes/tsuki/exampleSite/static/img/projects/vngeoguessr.svg b/themes/tsuki/exampleSite/static/img/projects/vngeoguessr.svg
new file mode 100644
index 0000000..b013cd0
--- /dev/null
+++ b/themes/tsuki/exampleSite/static/img/projects/vngeoguessr.svg
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 200" width="320" height="200">
+  <rect width="320" height="200" fill="#064e3b"/>
+  <circle cx="160" cy="100" r="50" fill="none" stroke="#34d399" stroke-width="3"/>
+  <line x1="110" y1="100" x2="210" y2="100" stroke="#34d399" stroke-width="2"/>
+  <line x1="160" y1="50" x2="160" y2="150" stroke="#34d399" stroke-width="2"/>
+  <text x="160" y="180" text-anchor="middle" font-family="ui-monospace,monospace" font-size="18" fill="#a7f3d0">VN GeoGuessr</text>
+</svg>
diff --git a/themes/tsuki/layouts/_partials/home/hero.html b/themes/tsuki/layouts/_partials/home/hero.html
new file mode 100644
index 0000000..19d3b82
--- /dev/null
+++ b/themes/tsuki/layouts/_partials/home/hero.html
@@ -0,0 +1,31 @@
+{{- $profile := site.Data.profile -}}
+{{- with $profile -}}
+<section class="home-hero" aria-labelledby="home-hero-name">
+  {{- with .avatar }}
+  <img class="home-hero-avatar" src="{{ . | relURL }}" alt="{{ $profile.name | default site.Title }}" width="120" height="120" loading="eager" decoding="async">
+  {{- end }}
+
+  <h1 id="home-hero-name" class="home-hero-name">{{ .name | default site.Title }}</h1>
+
+  {{- with .tagline }}
+  <p class="home-hero-tagline">{{ . }}</p>
+  {{- end }}
+
+  {{- with .bio }}
+  <div class="home-hero-bio">{{ . | markdownify }}</div>
+  {{- end }}
+
+  {{- with .links }}
+  <ul class="home-hero-links">
+    {{- range . }}
+    <li>
+      <a href="{{ .url }}" rel="me noopener" aria-label="{{ .label | default .icon }}">
+        {{- with .icon }}{{ partial "icon.html" . }}{{ end }}
+        <span>{{ .label | default .icon }}</span>
+      </a>
+    </li>
+    {{- end }}
+  </ul>
+  {{- end }}
+</section>
+{{- end -}}
diff --git a/themes/tsuki/layouts/_partials/home/projects.html b/themes/tsuki/layouts/_partials/home/projects.html
new file mode 100644
index 0000000..90b9fb1
--- /dev/null
+++ b/themes/tsuki/layouts/_partials/home/projects.html
@@ -0,0 +1,40 @@
+{{- with site.Data.projects.featured -}}
+<section class="home-projects" aria-labelledby="home-projects-heading">
+  <h2 id="home-projects-heading" class="home-projects-heading">
+    {{ i18n "featuredProjects" | default "Featured Projects" }}
+  </h2>
+
+  <ul class="project-grid">
+    {{- range . }}
+    {{- $project := . }}
+    <li class="project-card">
+      {{- with $project.image }}
+      <div class="project-card-image">
+        <img src="{{ . | relURL }}" alt="{{ $project.title }}" loading="lazy" decoding="async">
+      </div>
+      {{- end }}
+
+      <h3 class="project-card-title">{{ $project.title }}</h3>
+      {{- with $project.tagline }}
+      <p class="project-card-tagline">{{ . }}</p>
+      {{- end }}
+
+      {{- with $project.tags }}
+      <ul class="project-card-tags">
+        {{- range . }}<li>{{ . }}</li>{{ end }}
+      </ul>
+      {{- end }}
+
+      <ul class="project-card-links">
+        {{- with $project.repo }}
+        <li><a href="{{ . }}" rel="noopener">repo →</a></li>
+        {{- end }}
+        {{- with $project.demo }}
+        <li><a href="{{ . }}" rel="noopener">demo →</a></li>
+        {{- end }}
+      </ul>
+    </li>
+    {{- end }}
+  </ul>
+</section>
+{{- end -}}
diff --git a/themes/tsuki/layouts/_partials/home/recent-posts.html b/themes/tsuki/layouts/_partials/home/recent-posts.html
new file mode 100644
index 0000000..8efac2b
--- /dev/null
+++ b/themes/tsuki/layouts/_partials/home/recent-posts.html
@@ -0,0 +1,21 @@
+{{- $count := site.Params.home.recentPostsCount | default 5 -}}
+{{- $posts := first $count (where (where site.RegularPages "Type" "post") "Draft" false) -}}
+{{- with $posts -}}
+<section class="home-recent-posts" aria-labelledby="home-recent-heading">
+  <h2 id="home-recent-heading" class="home-recent-heading">
+    {{ i18n "recentPosts" | default "Recent Posts" }}
+  </h2>
+
+  <ul class="post-list">
+    {{- range . }}
+    <li>{{ partial "post-card.html" . }}</li>
+    {{- end }}
+  </ul>
+
+  {{- if gt (len (where (where site.RegularPages "Type" "post") "Draft" false)) $count }}
+  <p class="home-recent-more">
+    <a href="{{ "/post/" | relURL }}">{{ i18n "viewAll" | default "View all" }} →</a>
+  </p>
+  {{- end }}
+</section>
+{{- end -}}
diff --git a/themes/tsuki/layouts/home.html b/themes/tsuki/layouts/home.html
index 312ad17..53b5ebb 100644
--- a/themes/tsuki/layouts/home.html
+++ b/themes/tsuki/layouts/home.html
@@ -1,9 +1,7 @@
 {{ define "body_class" }}home{{ end }}
 
 {{ define "main" }}
-{{/* Phase 4 fills hero/projects/recent-posts here. Placeholder for now. */}}
-<section class="home-placeholder">
-  <h1>{{ site.Title }}</h1>
-  {{- with site.Params.description }}<p>{{ . }}</p>{{ end }}
-</section>
+{{ partial "home/hero.html" . }}
+{{ partial "home/projects.html" . }}
+{{ partial "home/recent-posts.html" . }}
 {{ end }}