diff --git a/css/admin.css b/css/admin.css
index b548a67..eafddcd 100644
--- a/css/admin.css
+++ b/css/admin.css
@@ -1,63 +1,215 @@
 .so_qmp-tab-content {
-	margin-top: 20px;
+        margin-top: 20px;
 }
 
 .nav-tab-wrapper {
-	margin-bottom: 20px;
+        margin-bottom: 20px;
 }
 
 #page-translations-table {
-	width: 100%;
-	border-collapse: collapse;
+        width: 100%;
+        border-collapse: collapse;
 }
 
 #page-translations-table th,
 #page-translations-table td {
-	padding: 10px;
-	border: 1px solid #ccc;
+        padding: 10px;
+        border: 1px solid #ccc;
 }
 
 #page-translations-table th {
-	background-color: #f1f1f1;
-	font-weight: bold;
+        background-color: #f1f1f1;
+        font-weight: bold;
 }
 
 .page-mapping-row select {
-	width: 100%;
+        width: 100%;
 }
 
 /* QML Premium "Number of Languages" control (disabled upsell). */
 .so_qmp-premium-field {
-	position: relative;
-	display: inline-block;
+        position: relative;
+        display: inline-block;
 }
 
 .so_qmp-premium-field .so_qmp-faded {
-	opacity: 0.4;
+        opacity: 0.4;
 }
 
 .so_qmp-premium-overlay {
-	position: absolute;
-	top: 50%;
-	left: 50%;
-	transform: translate(-50%, -50%);
-	padding: 2px 10px;
-	font-size: 12px;
-	font-weight: 600;
-	color: #2271b1;
-	background: #f0f6fc;
-	border: 1px solid #72aee6;
-	border-radius: 4px;
-	white-space: nowrap;
+        position: absolute;
+        top: 50%;
+        left: 50%;
+        transform: translate(-50%, -50%);
+        padding: 2px 10px;
+        font-size: 12px;
+        font-weight: 600;
+        color: #2271b1;
+        background: #f0f6fc;
+        border: 1px solid #72aee6;
+        border-radius: 4px;
+        white-space: nowrap;
 }
 
 /* Grouped per-language field labels (General Settings tab). */
 .so_qmp-field-label {
-	display: block;
-	margin: 0 0 4px;
-	font-weight: 600;
+        display: block;
+        margin: 0 0 4px;
+        font-weight: 600;
 }
 
 .so_qmp-field-label:not(:first-child) {
-	margin-top: 10px;
+        margin-top: 10px;
+}
+
+/* Lang-reference paragraph styled to match h2 */
+p.so_qmp-lang-ref-link {
+    font-size: 1.3em;
+    font-weight: 600;
+}
+
+/* -------------------------------------------------------
+   Page title with inline logo
+------------------------------------------------------- */
+.so_qmp-page-title {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+}
+
+.so_qmp-title-logo {
+    width: 32px;
+    height: 32px;
+    flex-shrink: 0;
+}
+
+/* -------------------------------------------------------
+   Two-column layout: main content + Premium sidebar
+------------------------------------------------------- */
+.so_qmp-content-with-sidebar {
+    display: flex;
+    align-items: flex-start;
+    gap: 24px;
+}
+
+.so_qmp-main-content {
+    flex: 1 1 auto;
+    min-width: 0;
+}
+
+/* -------------------------------------------------------
+   Premium sidebar panel
+------------------------------------------------------- */
+.so_qmp-premium-sidebar {
+    flex: 0 0 240px;
+    width: 240px;
+}
+
+.so_qmp-sidebar-inner {
+    background: #fff;
+    border: 1px solid #c3c4c7;
+    border-radius: 4px;
+    padding: 16px;
+}
+
+.so_qmp-sidebar-header {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    margin-bottom: 12px;
+}
+
+.so_qmp-sidebar-logo {
+    width: 64px;
+    height: 64px;
+    flex-shrink: 0;
+}
+
+.so_qmp-sidebar-title {
+    font-weight: 600;
+    font-size: 0.95em;
+    line-height: 1.3;
+}
+
+.so_qmp-sidebar-features {
+    margin: 0 0 16px 0;
+    padding: 0 0 0 1.2em;
+}
+
+.so_qmp-sidebar-features li {
+    margin-bottom: 6px;
+    font-size: 0.9em;
+}
+
+.so_qmp-sidebar-btn {
+    display: block;
+    text-align: center;
+}
+
+/* -------------------------------------------------------
+   Inline Premium teaser (Number of Languages row)
+------------------------------------------------------- */
+.so_qmp-premium-teaser {
+    display: inline-flex;
+    align-items: center;
+    gap: 10px;
+    margin-left: 12px;
+    vertical-align: middle;
+}
+
+.so_qmp-teaser-logo {
+    width: 24px;
+    height: 24px;
+    flex-shrink: 0;
+}
+
+.so_qmp-teaser-text {
+    font-size: 0.9em;
+    line-height: 1.4;
+}
+
+.so_qmp-teaser-text strong {
+    display: block;
+}
+
+.so_qmp-upgrade-btn .dashicons {
+    font-size: 18px;
+    width: 16px;
+    height: 14px;
+    margin-right: 3px;
+}
+
+/* -------------------------------------------------------
+   Language table: N/A cell and lang-ref row
+------------------------------------------------------- */
+.so_qmp_table.form-table th {
+    padding: 15px 10px;
+	width: 150px;
+}
+.so_qmp-na-cell {
+    vertical-align: middle;
+}
+
+.so_qmp-na {
+    color: #787c82;
+    font-style: italic;
+}
+
+.so_qmp-lang-ref-row td {
+    font-size: 1.2em;
+	font-style: italic;
+    font-weight: 600;
+}
+
+/* -------------------------------------------------------
+   General Settings: constrain language input width so the
+   folder column and Premium sidebar are not pushed out.
+------------------------------------------------------- */
+.so_qmp_table .regular-text {
+        max-width: 200px;
+}
+
+/* Push the Premium sidebar down */
+.so_qmp-premium-sidebar {
+        margin-top: 170px;
 }
diff --git a/images/.gitkeep b/images/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/images/qml-free-64.png b/images/qml-free-64.png
new file mode 100644
index 0000000..bbdf2ec
Binary files /dev/null and b/images/qml-free-64.png differ
diff --git a/images/qml-premium-48.png b/images/qml-premium-48.png
new file mode 100644
index 0000000..04f1088
Binary files /dev/null and b/images/qml-premium-48.png differ
diff --git a/images/qml-premium-64.png b/images/qml-premium-64.png
new file mode 100644
index 0000000..0c3a7c2
Binary files /dev/null and b/images/qml-premium-64.png differ
diff --git a/src/Admin/SettingsPage.php b/src/Admin/SettingsPage.php
index e8e3d98..b4e8e5f 100644
--- a/src/Admin/SettingsPage.php
+++ b/src/Admin/SettingsPage.php
@@ -30,9 +30,20 @@ public function render(): void {
             return;
         }
         settings_errors( 'so_qmp_messages' );
+
+        // __FILE__ is src/Admin/SettingsPage.php; dirname twice reaches the src dir,
+        // and plugin_dir_url() takes its dirname (the plugin root) and appends a slash.
+        $images_url = plugin_dir_url( dirname( dirname( __FILE__ ) ) ) . 'images/';
         ?>
         <div class="wrap">
-            <h1><?php echo esc_html( get_admin_page_title() ); ?></h1>
+
+            <h1 class="so_qmp-page-title">
+                <img src="<?php echo esc_url( $images_url . 'qml-free-64.png' ); ?>"
+                     alt="<?php esc_attr_e( 'Quick Multilingual', 'quick-multilingual' ); ?>"
+                     class="so_qmp-title-logo" />
+                <?php echo esc_html( get_admin_page_title() ); ?>
+            </h1>
+
             <p><?php esc_html_e( 'Quick Multilingual is a WordPress plugin designed to enhance multilingual websites by adjusting the HTML lang attribute and adding hreflang tags.', 'quick-multilingual' ); ?></p>
             <p><?php esc_html_e( 'This plugin allows you to set the HTML language attribute for up to two languages, custom hreflang codes for those languages, redirect the "language folder" (the secondary language placeholder page) to its respective homepage, map up to 4 primary language pages to their secondary page translations and properly handle language attributes for better SEO and user experience.', 'quick-multilingual' ); ?></p>
 
@@ -41,101 +52,139 @@ public function render(): void {
                 <a href="#page-translations" class="nav-tab"><?php esc_html_e( 'Page Translations', 'quick-multilingual' ); ?></a>
             </h2>
 
-            <div id="general-settings" class="so_qmp-tab-content">
-                <h2><?php
-                    printf(
-                        wp_kses(
-                            /* translators: %s: URL to lang attributes gist */
-                            __( 'Find all HTML lang attributes <a href="%s" target="_blank">here</a>.', 'quick-multilingual' ),
-                            [ 'a' => [ 'href' => [], 'target' => [] ] ]
-                        ),
-                        'https://gist.github.com/JamieMason/3748498'
-                    );
-                ?></h2>
+            <div class="so_qmp-content-with-sidebar">
 
-                <form method="post" action="options.php">
-                    <?php
-                    settings_fields( Config::OPTION_GROUP );
-                    do_settings_sections( Config::OPTION_GROUP );
-                    ?>
-                    <table class="form-table" role="presentation">
-                        <tr>
-                            <th scope="row"><label for="so_qmp_number_of_languages"><?php esc_html_e( 'Number of Languages', 'quick-multilingual' ); ?></label></th>
-                            <td>
-                                <span class="so_qmp-premium-field">
-                                    <select id="so_qmp_number_of_languages" class="so_qmp-faded" disabled="disabled">
-                                        <?php
-                                        for ( $n = 3; $n <= Config::PREMIUM_MAX_LANGUAGES; $n++ ) {
-                                            printf(
-                                                '<option value="%1$d" %2$s>%1$d</option>',
-                                                intval( $n ),
-                                                wp_kses( selected( 3, $n, false ), [] )
-                                            );
-                                        }
-                                        ?>
-                                    </select>
-                                    <span class="so_qmp-premium-overlay"><?php esc_html_e( 'Coming Soon', 'quick-multilingual' ); ?></span>
-                                </span>
-                            </td>
-                        </tr>
-                        <tr>
-                            <th scope="row"><?php esc_html_e( 'Primary Language', 'quick-multilingual' ); ?></th>
-                            <td>
-                                <label class="so_qmp-field-label" for="<?php echo esc_attr( Config::OPT_PRIMARY_LANG ); ?>"><?php esc_html_e( 'HTML lang attribute', 'quick-multilingual' ); ?></label>
-                                <input type="text" id="<?php echo esc_attr( Config::OPT_PRIMARY_LANG ); ?>" name="<?php echo esc_attr( Config::OPT_PRIMARY_LANG ); ?>" value="<?php echo esc_attr( (string) get_option( Config::OPT_PRIMARY_LANG ) ); ?>" class="regular-text" />
-                            </td>
-                            <td>
-                                <label class="so_qmp-field-label" for="<?php echo esc_attr( Config::OPT_PRIMARY_HREFLANG ); ?>"><?php esc_html_e( 'Hreflang', 'quick-multilingual' ); ?></label>
-                                <input type="text" id="<?php echo esc_attr( Config::OPT_PRIMARY_HREFLANG ); ?>" name="<?php echo esc_attr( Config::OPT_PRIMARY_HREFLANG ); ?>" value="<?php echo esc_attr( (string) get_option( Config::OPT_PRIMARY_HREFLANG ) ); ?>" class="regular-text" />
-                            </td>
-                        </tr>
-                        <tr>
-                            <th scope="row"><?php esc_html_e( 'Secondary Language', 'quick-multilingual' ); ?></th>
-                            <td>
-                                <label class="so_qmp-field-label" for="<?php echo esc_attr( Config::OPT_SECONDARY_LANG ); ?>"><?php esc_html_e( 'HTML lang attribute', 'quick-multilingual' ); ?></label>
-                                <input type="text" id="<?php echo esc_attr( Config::OPT_SECONDARY_LANG ); ?>" name="<?php echo esc_attr( Config::OPT_SECONDARY_LANG ); ?>" value="<?php echo esc_attr( (string) get_option( Config::OPT_SECONDARY_LANG ) ); ?>" class="regular-text" />
-                            </td>
-                            <td>
-                                <label class="so_qmp-field-label" for="<?php echo esc_attr( Config::OPT_SECONDARY_HREFLANG ); ?>"><?php esc_html_e( 'Hreflang', 'quick-multilingual' ); ?></label>
-                                <input type="text" id="<?php echo esc_attr( Config::OPT_SECONDARY_HREFLANG ); ?>" name="<?php echo esc_attr( Config::OPT_SECONDARY_HREFLANG ); ?>" value="<?php echo esc_attr( (string) get_option( Config::OPT_SECONDARY_HREFLANG ) ); ?>" class="regular-text" />
-                            </td>
-                        </tr>
-                        <tr>
-                            <th scope="row"><?php esc_html_e( 'Language Folder Page', 'quick-multilingual' ); ?></th>
-                            <td>
+                <div class="so_qmp-main-content">
+
+                    <div id="general-settings" class="so_qmp-tab-content">
+                        <form method="post" action="options.php">
                             <?php
-                            wp_dropdown_pages( [
-                                'name'              => esc_attr( (string) Config::OPT_FOLDER_PAGE ),
-                                'selected'          => absint( get_option( Config::OPT_FOLDER_PAGE ) ),
-                                'show_option_none'  => esc_html__( '— Select —', 'quick-multilingual' ),
-                                'option_none_value' => '0',
-                            ] );
+                            settings_fields( Config::OPTION_GROUP );
+                            do_settings_sections( Config::OPTION_GROUP );
                             ?>
-                            </td>
-                        </tr>
-                        <tr>
-                            <th scope="row"><?php esc_html_e( 'Number of Pages to Map', 'quick-multilingual' ); ?></th>
-                            <td>
-                                <select id="<?php echo esc_attr( Config::OPT_NUMBER_OF_PAGES ); ?>" name="<?php echo esc_attr( Config::OPT_NUMBER_OF_PAGES ); ?>">
-                                <?php
-                                $current = absint( get_option( Config::OPT_NUMBER_OF_PAGES, 1 ) );
-                                for ( $n = 1; $n <= Config::max_page_mappings(); $n++ ) {
-                                    printf(
-                                        '<option value="%1$d" %2$s>%1$d</option>',
-                                        intval( $n ),
-                                        wp_kses( selected( $current, $n, false ), [] )
-                                    );
-                                }
-                                ?>
-                                </select>
-                            </td>
-                        </tr>
-                    </table>
-                    <?php submit_button(); ?>
-                </form>
-            </div><!-- #general-settings -->
+                            <table class="so_qmp_table form-table" role="presentation">
+
+                                <tr>
+                                    <th scope="row">
+                                        <label for="so_qmp_number_of_languages"><?php esc_html_e( 'Number of Languages', 'quick-multilingual' ); ?></label>
+                                    </th>
+                                    <td colspan="3">
+                                        <span class="so_qmp-premium-field">
+                                            <select id="so_qmp_number_of_languages" class="so_qmp-faded" disabled="disabled">
+                                                <?php
+                                                for ( $n = 3; $n <= Config::PREMIUM_MAX_LANGUAGES; $n++ ) {
+                                                    printf(
+                                                        '<option value="%1$d" %2$s>%1$d</option>',
+                                                        intval( $n ),
+                                                        wp_kses( selected( 3, $n, false ), [] )
+                                                    );
+                                                }
+                                                ?>
+                                            </select>
+                                        </span>
+                                        <span class="so_qmp-premium-teaser">
+                                            <img src="<?php echo esc_url( $images_url . 'qml-premium-48.png' ); ?>"
+                                                 alt="<?php esc_attr_e( 'Quick Multilingual Premium', 'quick-multilingual' ); ?>"
+                                                 class="so_qmp-teaser-logo" />
+                                            <span class="so_qmp-teaser-text">
+                                                <strong><?php esc_html_e( 'More languages with Premium', 'quick-multilingual' ); ?></strong>
+                                                <?php esc_html_e( 'Unlock up to 20 languages and up to 100 page mappings.', 'quick-multilingual' ); ?>
+                                            </span>
+                                            <?php // TODO: Replace '#' with the Premium purchase URL once the store is live. ?>
+                                            <a href="#" class="so_qmp-upgrade-btn button">
+                                                <span class="dashicons dashicons-lock"></span>
+                                                <?php esc_html_e( 'Get Premium', 'quick-multilingual' ); ?>
+                                            </a>
+                                        </span>
+                                    </td>
+                                </tr>
 
-            <div id="page-translations" class="so_qmp-tab-content" style="display:none;">
+                                <tr>
+                                    <th scope="row">
+                                        <label for="<?php echo esc_attr( Config::OPT_NUMBER_OF_PAGES ); ?>"><?php esc_html_e( 'Number of Pages to Map', 'quick-multilingual' ); ?></label>
+                                    </th>
+                                    <td colspan="3">
+                                        <select id="<?php echo esc_attr( Config::OPT_NUMBER_OF_PAGES ); ?>" name="<?php echo esc_attr( Config::OPT_NUMBER_OF_PAGES ); ?>">
+                                            <?php
+                                            $current = absint( get_option( Config::OPT_NUMBER_OF_PAGES, 1 ) );
+                                            for ( $n = 1; $n <= Config::max_page_mappings(); $n++ ) {
+                                                printf(
+                                                    '<option value="%1$d" %2$s>%1$d</option>',
+                                                    intval( $n ),
+                                                    wp_kses( selected( $current, $n, false ), [] )
+                                                );
+                                            }
+                                            ?>
+                                        </select>
+                                    </td>
+                                </tr>
+
+                                <tr>
+                                    <th scope="col"><?php esc_html_e( 'Languages', 'quick-multilingual' ); ?></th>
+                                    <th scope="col"><?php esc_html_e( 'HTML lang attribute', 'quick-multilingual' ); ?></th>
+                                    <th scope="col"><?php esc_html_e( 'Hreflang', 'quick-multilingual' ); ?></th>
+                                    <th scope="col"><?php esc_html_e( 'Language Folder Page', 'quick-multilingual' ); ?></th>
+                                </tr>
+
+                                <tr class="so_qmp-lang-ref-row">
+                                    <td></td>
+                                    <td colspan="3">
+                                        <?php
+                                        printf(
+                                            wp_kses(
+                                                /* translators: %s: URL to lang attributes gist */
+                                                __( 'Find all HTML lang attributes <a href="%s" target="_blank">here</a>.', 'quick-multilingual' ),
+                                                [ 'a' => [ 'href' => [], 'target' => [] ] ]
+                                            ),
+                                            'https://gist.github.com/JamieMason/3748498'
+                                        );
+                                        ?>
+                                    </td>
+                                </tr>
+
+                                <tr>
+                                    <th scope="row"><?php esc_html_e( 'Primary', 'quick-multilingual' ); ?></th>
+                                    <td>
+                                        <label class="so_qmp-field-label screen-reader-text" for="<?php echo esc_attr( Config::OPT_PRIMARY_LANG ); ?>"><?php esc_html_e( 'HTML lang attribute', 'quick-multilingual' ); ?></label>
+                                        <input type="text" id="<?php echo esc_attr( Config::OPT_PRIMARY_LANG ); ?>" name="<?php echo esc_attr( Config::OPT_PRIMARY_LANG ); ?>" value="<?php echo esc_attr( (string) get_option( Config::OPT_PRIMARY_LANG ) ); ?>" class="regular-text" />
+                                    </td>
+                                    <td>
+                                        <label class="so_qmp-field-label screen-reader-text" for="<?php echo esc_attr( Config::OPT_PRIMARY_HREFLANG ); ?>"><?php esc_html_e( 'Hreflang', 'quick-multilingual' ); ?></label>
+                                        <input type="text" id="<?php echo esc_attr( Config::OPT_PRIMARY_HREFLANG ); ?>" name="<?php echo esc_attr( Config::OPT_PRIMARY_HREFLANG ); ?>" value="<?php echo esc_attr( (string) get_option( Config::OPT_PRIMARY_HREFLANG ) ); ?>" class="regular-text" />
+                                    </td>
+                                    <td class="so_qmp-na-cell">
+                                        <span class="so_qmp-na"><?php esc_html_e( 'N/A', 'quick-multilingual' ); ?></span>
+                                    </td>
+                                </tr>
+
+                                <tr>
+                                    <th scope="row"><?php esc_html_e( 'Secondary', 'quick-multilingual' ); ?></th>
+                                    <td>
+                                        <label class="so_qmp-field-label screen-reader-text" for="<?php echo esc_attr( Config::OPT_SECONDARY_LANG ); ?>"><?php esc_html_e( 'HTML lang attribute', 'quick-multilingual' ); ?></label>
+                                        <input type="text" id="<?php echo esc_attr( Config::OPT_SECONDARY_LANG ); ?>" name="<?php echo esc_attr( Config::OPT_SECONDARY_LANG ); ?>" value="<?php echo esc_attr( (string) get_option( Config::OPT_SECONDARY_LANG ) ); ?>" class="regular-text" />
+                                    </td>
+                                    <td>
+                                        <label class="so_qmp-field-label screen-reader-text" for="<?php echo esc_attr( Config::OPT_SECONDARY_HREFLANG ); ?>"><?php esc_html_e( 'Hreflang', 'quick-multilingual' ); ?></label>
+                                        <input type="text" id="<?php echo esc_attr( Config::OPT_SECONDARY_HREFLANG ); ?>" name="<?php echo esc_attr( Config::OPT_SECONDARY_HREFLANG ); ?>" value="<?php echo esc_attr( (string) get_option( Config::OPT_SECONDARY_HREFLANG ) ); ?>" class="regular-text" />
+                                    </td>
+                                    <td>
+                                        <?php
+                                        wp_dropdown_pages( [
+                                            'name'              => esc_attr( (string) Config::OPT_FOLDER_PAGE ),
+                                            'selected'          => absint( get_option( Config::OPT_FOLDER_PAGE ) ),
+                                            'show_option_none'  => esc_html__( '— Select —', 'quick-multilingual' ),
+                                            'option_none_value' => '0',
+                                        ] );
+                                        ?>
+                                    </td>
+                                </tr>
+
+                            </table>
+                            <?php submit_button(); ?>
+                        </form>
+                    </div><!-- #general-settings -->
+
+                    <div id="page-translations" class="so_qmp-tab-content" style="display:none;">
                 <h2><?php esc_html_e( 'Here you can map the pages of the primary language to the secondary language.', 'quick-multilingual' ); ?></h2>
                 <form method="post" action="options.php">
                     <?php
@@ -199,7 +248,33 @@ public function render(): void {
                     </table>
                     <?php submit_button(); ?>
                 </form>
-            </div><!-- #page-translations -->
+                    </div><!-- #page-translations -->
+
+                </div><!-- .so_qmp-main-content -->
+
+                <div class="so_qmp-premium-sidebar">
+                    <div class="so_qmp-sidebar-inner">
+                        <div class="so_qmp-sidebar-header">
+                            <img src="<?php echo esc_url( $images_url . 'qml-premium-64.png' ); ?>"
+                                 alt="<?php esc_attr_e( 'Quick Multilingual Premium', 'quick-multilingual' ); ?>"
+                                 class="so_qmp-sidebar-logo" />
+                            <span class="so_qmp-sidebar-title"><?php esc_html_e( 'Quick Multilingual Premium', 'quick-multilingual' ); ?></span>
+                        </div>
+                        <ul class="so_qmp-sidebar-features">
+                            <li><?php esc_html_e( 'Up to 20 languages', 'quick-multilingual' ); ?></li>
+                            <li><?php esc_html_e( 'Up to 100 page mappings', 'quick-multilingual' ); ?></li>
+                            <li><?php esc_html_e( 'Full hreflang support for all languages', 'quick-multilingual' ); ?></li>
+                            <li><?php esc_html_e( 'Priority support', 'quick-multilingual' ); ?></li>
+                        </ul>
+                        <?php // TODO: Replace '#' with the Premium purchase URL once the store is live. ?>
+                        <a href="#" class="so_qmp-sidebar-btn button button-primary">
+                            <?php esc_html_e( 'Get Premium', 'quick-multilingual' ); ?>
+                        </a>
+                    </div>
+                </div><!-- .so_qmp-premium-sidebar -->
+
+            </div><!-- .so_qmp-content-with-sidebar -->
+
         </div><!-- .wrap -->
         <?php
     }