diff --git a/wp-content/themes/apus-theme/assets/css/custom-style.css b/wp-content/themes/apus-theme/assets/css/custom-style.css
index f4d4fb60..bcfecd38 100644
--- a/wp-content/themes/apus-theme/assets/css/custom-style.css
+++ b/wp-content/themes/apus-theme/assets/css/custom-style.css
@@ -165,6 +165,10 @@ body {
 }
 */
 
+/*
+ * BOTÓN LET'S TALK CSS MOVIDO A: assets/css/style.css (líneas 766-785)
+ * Comentado para evitar duplicación según Issue #101
+ *
 .btn-lets-talk {
     background-color: var(--color-orange-primary);
     color: #ffffff;
@@ -183,6 +187,7 @@ body {
 .btn-lets-talk i {
     color: #ffffff;
 }
+*/
 
 /* ========================================
    HERO SECTION
diff --git a/wp-content/themes/apus-theme/assets/css/style.css b/wp-content/themes/apus-theme/assets/css/style.css
index c85954bd..dc70d78c 100644
--- a/wp-content/themes/apus-theme/assets/css/style.css
+++ b/wp-content/themes/apus-theme/assets/css/style.css
@@ -762,3 +762,24 @@ img {
     background-color: rgba(255, 133, 0, 0.1);
     color: var(--color-orange-primary);
 }
+
+/* === BOTÓN LET'S TALK === */
+
+.btn-lets-talk {
+    background-color: var(--color-orange-primary);
+    color: #ffffff;
+    font-weight: 600;
+    padding: 0.5rem 1.5rem;
+    border: none;
+    border-radius: 6px;
+    transition: all 0.3s ease;
+}
+
+.btn-lets-talk:hover {
+    background-color: var(--color-orange-hover);
+    color: #ffffff;
+}
+
+.btn-lets-talk i {
+    color: #ffffff;
+}
diff --git a/wp-content/themes/apus-theme/inc/enqueue-scripts.php b/wp-content/themes/apus-theme/inc/enqueue-scripts.php
index 05335e41..c6aaa997 100644
--- a/wp-content/themes/apus-theme/inc/enqueue-scripts.php
+++ b/wp-content/themes/apus-theme/inc/enqueue-scripts.php
@@ -99,6 +99,10 @@ add_action('wp_enqueue_scripts', 'apus_enqueue_main_stylesheet', 5);
  */
 function apus_enqueue_fase2_styles() {
     // Buttons CSS - Let's Talk button (Issue #58)
+    // DESHABILITADO: CSS movido a assets/css/style.css (líneas 766-785)
+    // buttons.css tenía implementación incorrecta (gradiente en lugar de sólido)
+    // Ver Issue #101
+    /*
     wp_enqueue_style(
         'apus-buttons',
         get_template_directory_uri() . '/assets/css/buttons.css',
@@ -106,6 +110,7 @@ function apus_enqueue_fase2_styles() {
         filemtime(get_template_directory() . '/assets/css/buttons.css'),
         'all'
     );
+    */
 
     // Hero Section CSS - Gradiente azul (Issue #59)
     wp_enqueue_style(