diff --git a/WebGISPovertyMap/index.php b/WebGISPovertyMap/index.php
index 34d543e..a8dc6f8 100644
--- a/WebGISPovertyMap/index.php
+++ b/WebGISPovertyMap/index.php
@@ -144,7 +144,7 @@ $isAdmin = isset($_SESSION['role']) && $_SESSION['role'] === 'admin';
                 </svg>
                 <div class="status-dot"></div>
             </div>
-            <div class="tool-btn" title="Tentang Aplikasi">
+            <div class="tool-btn" id="about-btn" title="Tentang Aplikasi">
                 <svg fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">
                     <path stroke-linecap="round" stroke-linejoin="round"
                         d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
@@ -385,6 +385,46 @@ $isAdmin = isset($_SESSION['role']) && $_SESSION['role'] === 'admin';
         });
     </script>
 
+    <!-- Modal Tentang Aplikasi -->
+    <div id="about-modal" class="modal-overlay">
+        <div class="modal-content">
+            <div class="modal-header">
+                <h3>Tentang Aplikasi</h3>
+                <button class="modal-close-btn" id="about-close-btn" title="Tutup">&times;</button>
+            </div>
+            <div class="modal-body">
+                <div class="modal-logo">
+                    <svg fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2" width="48" height="48">
+                        <path stroke-linecap="round" stroke-linejoin="round"
+                            d="M9 20l-5.447-2.724A1 1 0 013 16.382V5.618a1 1 0 011.447-.894L9 7m0 13l6-3m-6 3V7m6 10l4.553 2.276A1 1 0 0021 18.382V7.618a1 1 0 00-.553-.894L15 4m0 13V4m0 0L9 7" />
+                    </svg>
+                </div>
+                <h4 class="app-title">WebGIS Poverty Map</h4>
+                <p class="app-desc">Sistem Pemetaan Penduduk Miskin Kota Pontianak. Aplikasi ini dirancang untuk memetakan penyebaran penduduk miskin serta mempermudah analisis spasial sebaran bantuan sosial di sekitar fasilitas umum atau rumah ibadah secara dinamis.</p>
+
+                <div class="modal-divider"></div>
+
+                <div class="credits-section">
+                    <div class="credit-row">
+                        <span class="credit-label">Pengembang:</span>
+                        <span class="credit-value">Aleksander William</span>
+                    </div>
+                    <div class="credit-row">
+                        <span class="credit-label">NIM:</span>
+                        <span class="credit-value">D1041231003</span>
+                    </div>
+                    <div class="credit-row">
+                        <span class="credit-label">Versi Aplikasi:</span>
+                        <span class="credit-value">v1.1.0</span>
+                    </div>
+                </div>
+            </div>
+            <div class="modal-footer">
+                <button class="btn btn-save" id="about-ok-btn">Selesai</button>
+            </div>
+        </div>
+    </div>
+
     <script src="script.js"></script>
 </body>
 
diff --git a/WebGISPovertyMap/script.js b/WebGISPovertyMap/script.js
index a34a469..9beb7d5 100644
--- a/WebGISPovertyMap/script.js
+++ b/WebGISPovertyMap/script.js
@@ -940,4 +940,33 @@ window.addEventListener('offline', updateConnectionStatus);
 
 // Jalankan saat pertama kali dimuat
 document.addEventListener('DOMContentLoaded', updateConnectionStatus);
-updateConnectionStatus();
\ No newline at end of file
+updateConnectionStatus();
+
+// ==========================================
+// 17. MODAL TENTANG APLIKASI
+// ==========================================
+var aboutBtn = document.getElementById('about-btn');
+var aboutModal = document.getElementById('about-modal');
+var aboutCloseBtn = document.getElementById('about-close-btn');
+var aboutOkBtn = document.getElementById('about-ok-btn');
+
+if (aboutBtn && aboutModal) {
+    aboutBtn.addEventListener('click', function (e) {
+        e.preventDefault();
+        aboutModal.classList.add('active');
+    });
+
+    var closeModal = function () {
+        aboutModal.classList.remove('active');
+    };
+
+    if (aboutCloseBtn) aboutCloseBtn.addEventListener('click', closeModal);
+    if (aboutOkBtn) aboutOkBtn.addEventListener('click', closeModal);
+
+    // Tutup modal jika klik area luar modal-content
+    aboutModal.addEventListener('click', function (e) {
+        if (e.target === aboutModal) {
+            closeModal();
+        }
+    });
+}
\ No newline at end of file
diff --git a/WebGISPovertyMap/style.css b/WebGISPovertyMap/style.css
index 12b7891..9d8b018 100644
--- a/WebGISPovertyMap/style.css
+++ b/WebGISPovertyMap/style.css
@@ -2449,4 +2449,161 @@ body {
 
 .leaflet-bottom.leaflet-right .leaflet-control-layers-list {
     padding: 4px !important;
+}
+
+/* ============================
+           MODAL TENTANG APLIKASI
+        ============================ */
+.modal-overlay {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background: rgba(15, 23, 42, 0.6);
+    backdrop-filter: blur(8px);
+    -webkit-backdrop-filter: blur(8px);
+    z-index: 2000;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    opacity: 0;
+    pointer-events: none;
+    transition: opacity 0.3s ease;
+}
+
+.modal-overlay.active {
+    opacity: 1;
+    pointer-events: auto;
+}
+
+.modal-content {
+    background: #1e293b;
+    border: 1px solid rgba(255, 255, 255, 0.08);
+    border-radius: var(--radius-lg);
+    width: 90%;
+    max-width: 460px;
+    box-shadow: var(--shadow-lg), 0 20px 25px -5px rgba(0, 0, 0, 0.5);
+    overflow: hidden;
+    transform: scale(0.95);
+    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
+}
+
+.modal-overlay.active .modal-content {
+    transform: scale(1);
+}
+
+.modal-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 16px 20px;
+    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
+}
+
+.modal-header h3 {
+    margin: 0;
+    font-size: 16px;
+    font-weight: 700;
+    color: #f1f5f9;
+}
+
+.modal-close-btn {
+    background: transparent;
+    border: none;
+    color: #94a3b8;
+    font-size: 24px;
+    cursor: pointer;
+    line-height: 1;
+    padding: 0;
+    transition: color 0.15s;
+}
+
+.modal-close-btn:hover {
+    color: #f1f5f9;
+}
+
+.modal-body {
+    padding: 24px 20px;
+    text-align: center;
+}
+
+.modal-logo {
+    width: 64px;
+    height: 64px;
+    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(96, 165, 250, 0.15));
+    border: 1px solid rgba(96, 165, 250, 0.25);
+    border-radius: 16px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    margin: 0 auto 16px;
+    color: #60a5fa;
+}
+
+.modal-logo svg {
+    width: 32px;
+    height: 32px;
+}
+
+.app-title {
+    margin: 0 0 8px 0;
+    font-size: 18px;
+    font-weight: 700;
+    color: #ffffff;
+    letter-spacing: -0.3px;
+}
+
+.app-desc {
+    font-size: 13px;
+    color: #94a3b8;
+    line-height: 1.6;
+    margin: 0 0 20px 0;
+    text-align: justify;
+}
+
+.modal-divider {
+    height: 1px;
+    background: rgba(255, 255, 255, 0.06);
+    margin: 20px 0;
+}
+
+.credits-section {
+    background: rgba(15, 23, 42, 0.4);
+    border-radius: var(--radius-md);
+    padding: 14px 16px;
+    border: 1px solid rgba(255, 255, 255, 0.04);
+}
+
+.credit-row {
+    display: flex;
+    justify-content: space-between;
+    font-size: 12.5px;
+    margin-bottom: 8px;
+}
+
+.credit-row:last-child {
+    margin-bottom: 0;
+}
+
+.credit-label {
+    color: #64748b;
+    font-weight: 500;
+}
+
+.credit-value {
+    color: #e2e8f0;
+    font-weight: 600;
+}
+
+.modal-footer {
+    display: flex;
+    justify-content: flex-end;
+    padding: 14px 20px;
+    background: rgba(15, 23, 42, 0.3);
+    border-top: 1px solid rgba(255, 255, 255, 0.06);
+}
+
+.modal-footer .btn {
+    min-width: 90px;
 }
\ No newline at end of file