diff --git a/Admin/ThemeSettings/Infrastructure/FieldMapping/ThemeSettingsFieldMapper.php b/Admin/ThemeSettings/Infrastructure/FieldMapping/ThemeSettingsFieldMapper.php
index 88e56c20..0d87981c 100644
--- a/Admin/ThemeSettings/Infrastructure/FieldMapping/ThemeSettingsFieldMapper.php
+++ b/Admin/ThemeSettings/Infrastructure/FieldMapping/ThemeSettingsFieldMapper.php
@@ -24,6 +24,10 @@ final class ThemeSettingsFieldMapper implements FieldMapperInterface
     public function getFieldMapping(): array
     {
         return [
+            // Layout
+            'themeSettingsContainerMaxWidth' => ['group' => 'layout', 'attribute' => 'container_max_width'],
+            'themeSettingsContentColumnWidth' => ['group' => 'layout', 'attribute' => 'content_column_width'],
+
             // Custom Code
             'themeSettingsCustomCss' => ['group' => 'custom_code', 'attribute' => 'custom_css'],
             'themeSettingsCustomJsHeader' => ['group' => 'custom_code', 'attribute' => 'custom_js_header'],
diff --git a/Admin/ThemeSettings/Infrastructure/Ui/ThemeSettingsFormBuilder.php b/Admin/ThemeSettings/Infrastructure/Ui/ThemeSettingsFormBuilder.php
index 77472a73..61724e03 100644
--- a/Admin/ThemeSettings/Infrastructure/Ui/ThemeSettingsFormBuilder.php
+++ b/Admin/ThemeSettings/Infrastructure/Ui/ThemeSettingsFormBuilder.php
@@ -27,6 +27,9 @@ final class ThemeSettingsFormBuilder
 
         $html .= $this->buildHeader($componentId);
 
+        // Layout Group (nueva seccion)
+        $html .= $this->buildLayoutGroup($componentId);
+
         $html .= '<div class="row g-3">';
 
         // Columna izquierda - CSS
@@ -44,6 +47,87 @@ final class ThemeSettingsFormBuilder
         return $html;
     }
 
+    private function buildLayoutGroup(string $componentId): string
+    {
+        $html = '<div class="card shadow-sm mb-4" style="border-left: 4px solid #FF8600;">';
+        $html .= '    <div class="card-body">';
+        $html .= '        <h5 class="fw-bold mb-3" style="color: #1e3a5f;">';
+        $html .= '            <i class="bi bi-layout-wtf me-2" style="color: #FF8600;"></i>';
+        $html .= '            Layout y Contenedor';
+        $html .= '        </h5>';
+
+        $html .= '        <div class="row g-3">';
+
+        // Container Max Width
+        $html .= '            <div class="col-md-6">';
+        $containerWidth = $this->renderer->getFieldValue($componentId, 'layout', 'container_max_width', '1320');
+        $containerWidthStr = is_string($containerWidth) ? $containerWidth : '1320';
+        $html .= $this->buildSelect(
+            'themeSettingsContainerMaxWidth',
+            'Ancho maximo del contenedor',
+            $containerWidthStr,
+            [
+                '1140' => '1140px (Bootstrap md)',
+                '1200' => '1200px (Compacto)',
+                '1320' => '1320px (Bootstrap xxl - Default)',
+                '1400' => '1400px (Amplio)',
+                '100%' => '100% (Fluido)'
+            ],
+            'Valores menores dejan mas espacio para Rail Ads laterales'
+        );
+        $html .= '            </div>';
+
+        // Content Column Width
+        $html .= '            <div class="col-md-6">';
+        $columnWidth = $this->renderer->getFieldValue($componentId, 'layout', 'content_column_width', 'col-lg-9');
+        $columnWidthStr = is_string($columnWidth) ? $columnWidth : 'col-lg-9';
+        $html .= $this->buildSelect(
+            'themeSettingsContentColumnWidth',
+            'Ancho columna de contenido',
+            $columnWidthStr,
+            [
+                'col-lg-8' => '8 columnas (66.67%)',
+                'col-lg-9' => '9 columnas (75% - Default)',
+                'col-lg-10' => '10 columnas (83.33%)',
+                'col-lg-12' => '12 columnas (100% sin sidebar)'
+            ],
+            'Proporcion de la columna principal vs sidebar'
+        );
+        $html .= '            </div>';
+
+        $html .= '        </div>';
+
+        $html .= '        <div class="alert alert-info small mb-0 mt-3">';
+        $html .= '            <i class="bi bi-info-circle me-1"></i>';
+        $html .= '            Reduce el ancho del contenedor para dar mas espacio a los Rail Ads en pantallas grandes.';
+        $html .= '        </div>';
+
+        $html .= '    </div>';
+        $html .= '</div>';
+
+        return $html;
+    }
+
+    private function buildSelect(string $id, string $label, string $value, array $options, string $helpText = ''): string
+    {
+        $html = '        <div class="mb-3">';
+        $html .= '            <label for="' . esc_attr($id) . '" class="form-label small mb-1 fw-semibold">';
+        $html .= '                ' . esc_html($label);
+        $html .= '            </label>';
+        $html .= '            <select class="form-select form-select-sm" id="' . esc_attr($id) . '">';
+        foreach ($options as $optionValue => $optionLabel) {
+            $selected = ($value === (string) $optionValue) ? ' selected' : '';
+            $html .= '                <option value="' . esc_attr($optionValue) . '"' . $selected . '>' . esc_html($optionLabel) . '</option>';
+        }
+        $html .= '            </select>';
+        if (!empty($helpText)) {
+            $html .= '            <div class="form-text small">' . esc_html($helpText) . '</div>';
+        }
+        $html .= '        </div>';
+
+        return $html;
+    }
+
     private function buildHeader(string $componentId): string
     {
         $html = '<div class="rounded p-4 mb-4 shadow text-white" ';
diff --git a/Public/AdsensePlacement/Infrastructure/Ui/AdsensePlacementRenderer.php b/Public/AdsensePlacement/Infrastructure/Ui/AdsensePlacementRenderer.php
index 584ca44d..d226530c 100644
--- a/Public/AdsensePlacement/Infrastructure/Ui/AdsensePlacementRenderer.php
+++ b/Public/AdsensePlacement/Infrastructure/Ui/AdsensePlacementRenderer.php
@@ -333,17 +333,17 @@ final class AdsensePlacementRenderer
         $css = implode("\n", $cssRules);
 
         // JavaScript para posicionamiento inteligente de Rail Ads
-        // Detecta dinamicamente el header/hero y ajusta posicion sin valores fijos
+        // Detecta dinamicamente el header/hero/featured-image y ajusta posicion
         $js = "
         <script>
         (function() {
             var railAds = document.querySelectorAll('.roi-rail-ad');
             if (!railAds.length) return;
 
-            // Buscar elementos de referencia (en orden de prioridad)
-            var navbar = document.querySelector('.navbar-fixed-top, .roi-navbar, .site-header, nav.navbar');
-            var hero = document.querySelector('.roi-hero, .hero-section, .hero, [class*=\"hero\"]');
-            var mainContent = document.querySelector('main, .site-main, .main-content, article');
+            // Selectores especificos del tema ROI
+            var navbar = document.querySelector('nav.navbar');
+            var hero = document.querySelector('.hero-section');
+            var featuredImage = document.querySelector('.featured-image-container');
 
             function getNavbarHeight() {
                 if (navbar) {
@@ -357,20 +357,33 @@ final class AdsensePlacementRenderer
 
             function adjustRailPosition() {
                 var navHeight = getNavbarHeight();
-                var gap = 20; // Espacio minimo de separacion
+                var gap = 30; // Espacio de separacion
                 var newTop = navHeight + gap;
 
-                // Si hay hero visible, posicionar debajo de el
+                // Buscar el elemento mas bajo entre hero y featured-image
+                var lowestBottom = navHeight;
+
                 if (hero) {
                     var heroRect = hero.getBoundingClientRect();
-                    // Si el bottom del hero esta visible (> navbar height), rails debajo del hero
-                    if (heroRect.bottom > navHeight) {
-                        newTop = heroRect.bottom + gap;
+                    if (heroRect.bottom > 0) {
+                        lowestBottom = Math.max(lowestBottom, heroRect.bottom);
                     }
                 }
 
-                // Limitar el top maximo para que no quede muy abajo
-                var maxTop = window.innerHeight * 0.25; // Max 25% del viewport
+                if (featuredImage) {
+                    var featuredRect = featuredImage.getBoundingClientRect();
+                    if (featuredRect.bottom > 0) {
+                        lowestBottom = Math.max(lowestBottom, featuredRect.bottom);
+                    }
+                }
+
+                // Si algo esta visible en pantalla, posicionar debajo
+                if (lowestBottom > navHeight) {
+                    newTop = lowestBottom + gap;
+                }
+
+                // Limitar el top maximo al 40% del viewport (mas generoso)
+                var maxTop = window.innerHeight * 0.4;
                 newTop = Math.min(newTop, maxTop);
 
                 // Asegurar minimo respetando navbar
@@ -400,7 +413,8 @@ final class AdsensePlacementRenderer
             if (document.readyState === 'loading') {
                 document.addEventListener('DOMContentLoaded', adjustRailPosition);
             } else {
-                adjustRailPosition();
+                // Esperar un poco para que carguen los elementos
+                setTimeout(adjustRailPosition, 100);
             }
         })();
         </script>";
diff --git a/Public/ThemeSettings/Infrastructure/Ui/ThemeSettingsRenderer.php b/Public/ThemeSettings/Infrastructure/Ui/ThemeSettingsRenderer.php
index 67d3783b..c9b46ef9 100644
--- a/Public/ThemeSettings/Infrastructure/Ui/ThemeSettingsRenderer.php
+++ b/Public/ThemeSettings/Infrastructure/Ui/ThemeSettingsRenderer.php
@@ -50,6 +50,7 @@ final class ThemeSettingsRenderer implements RendererInterface
      * Genera contenido para wp_head
      *
      * Incluye:
+     * - Layout CSS (container width)
      * - Custom CSS (si configurado)
      * - Custom JS Header (si configurado)
      *
@@ -60,6 +61,12 @@ final class ThemeSettingsRenderer implements RendererInterface
     {
         $output = '';
 
+        // Layout CSS (container width configurable)
+        $layoutOutput = $this->renderLayoutCSS($data);
+        if (!empty($layoutOutput)) {
+            $output .= $layoutOutput . "\n";
+        }
+
         // Custom CSS
         $cssOutput = $this->renderCustomCSS($data);
         if (!empty($cssOutput)) {
@@ -75,6 +82,47 @@ final class ThemeSettingsRenderer implements RendererInterface
         return $output;
     }
 
+    /**
+     * Genera CSS para el layout configurable
+     *
+     * @param array $data Datos del componente
+     * @return string Bloque style o vacio si usa defaults
+     */
+    private function renderLayoutCSS(array $data): string
+    {
+        $containerWidth = $data['layout']['container_max_width'] ?? '1320';
+
+        // Si es el valor default, no generar CSS extra
+        if ($containerWidth === '1320') {
+            return '';
+        }
+
+        // Validar que el valor sea seguro
+        $allowedWidths = ['1140', '1200', '1320', '1400', '100%'];
+        if (!in_array($containerWidth, $allowedWidths, true)) {
+            return '';
+        }
+
+        // Generar el CSS
+        $widthValue = ($containerWidth === '100%') ? '100%' : $containerWidth . 'px';
+
+        return sprintf(
+            '<!-- Layout CSS (ROI Theme) -->
+<style id="roi-theme-layout-css">
+/* Container width override */
+@media (min-width: 1200px) {
+    .container,
+    .container-lg,
+    .container-xl,
+    .container-xxl {
+        max-width: %s;
+    }
+}
+</style>',
+            esc_attr($widthValue)
+        );
+    }
+
     /**
      * Genera contenido para wp_footer
      *
diff --git a/Schemas/theme-settings.json b/Schemas/theme-settings.json
index dbb1da50..b89daa28 100644
--- a/Schemas/theme-settings.json
+++ b/Schemas/theme-settings.json
@@ -1,8 +1,41 @@
 {
   "component_name": "theme-settings",
-  "version": "1.3.0",
-  "description": "Configuraciones globales del tema: codigo personalizado",
+  "version": "1.4.0",
+  "description": "Configuraciones globales del tema: layout y codigo personalizado",
   "groups": {
+    "layout": {
+      "label": "Layout y Contenedor",
+      "priority": 5,
+      "fields": {
+        "container_max_width": {
+          "type": "select",
+          "label": "Ancho maximo del contenedor principal",
+          "default": "1320",
+          "editable": true,
+          "options": {
+            "1140": "1140px (Bootstrap md)",
+            "1200": "1200px (Compacto)",
+            "1320": "1320px (Bootstrap xxl - Default)",
+            "1400": "1400px (Amplio)",
+            "100%": "100% (Fluido)"
+          },
+          "description": "Ancho maximo del .container principal. Valores menores dejan mas espacio para Rail Ads"
+        },
+        "content_column_width": {
+          "type": "select",
+          "label": "Ancho columna de contenido",
+          "default": "col-lg-9",
+          "editable": true,
+          "options": {
+            "col-lg-8": "8 columnas (66.67%)",
+            "col-lg-9": "9 columnas (75% - Default)",
+            "col-lg-10": "10 columnas (83.33%)",
+            "col-lg-12": "12 columnas (100% sin sidebar)"
+          },
+          "description": "Proporcion Bootstrap de la columna principal vs sidebar"
+        }
+      }
+    },
     "custom_code": {
       "label": "Codigo Personalizado",
       "priority": 10,