diff --git a/scripts/ralph/prd.json b/scripts/ralph/prd.json
index 76e89d1..40bc923 100644
--- a/scripts/ralph/prd.json
+++ b/scripts/ralph/prd.json
@@ -96,8 +96,8 @@
         "MobileBottomNav activ",
         "npm run build passes"
       ],
-      "passes": false,
-      "notes": ""
+      "passes": true,
+      "notes": "Completed in iteration 2"
     },
     {
       "id": "US-301",
diff --git a/scripts/ralph/progress.txt b/scripts/ralph/progress.txt
index eae3488..d6f7e36 100644
--- a/scripts/ralph/progress.txt
+++ b/scripts/ralph/progress.txt
@@ -1026,3 +1026,9 @@ User Stories: 11 (US-301 to US-311)
 [2026-01-12 16:34:08] Working on story: US-304
 [2026-01-12 16:34:08] Running Claude... (log: /workspace/roa2web/scripts/ralph/logs/iteration_1_US-304.log)
 [2026-01-12 16:36:25] SUCCESS: Story US-304 passed!
+[2026-01-12 16:36:26] Changes committed
+[2026-01-12 16:36:26] Progress: 3/11 stories completed
+[2026-01-12 16:36:28] === Iteration 2/100 ===
+[2026-01-12 16:36:28] Working on story: US-305
+[2026-01-12 16:36:28] Running Claude... (log: /workspace/roa2web/scripts/ralph/logs/iteration_2_US-305.log)
+[2026-01-12 16:39:00] SUCCESS: Story US-305 passed!
diff --git a/src/modules/reports/components/dashboard/cards/MaturityAndDetailsCard.vue b/src/modules/reports/components/dashboard/cards/MaturityAndDetailsCard.vue
index 875554c..45644fe 100644
--- a/src/modules/reports/components/dashboard/cards/MaturityAndDetailsCard.vue
+++ b/src/modules/reports/components/dashboard/cards/MaturityAndDetailsCard.vue
@@ -45,9 +45,10 @@
     <!-- Main Content -->
     <div v-else class="card-content">
       <!-- Nivel 1: Comparație Grafică -->
-      <div class="comparison-section">
-        <!-- Clienți Side -->
-        <div class="comparison-side clients">
+      <!-- US-305: On mobile, show only the active tab's content -->
+      <div class="comparison-section" :class="{ 'mobile-single-view': props.isMobile }">
+        <!-- Clienți Side - Hidden on mobile when suppliers tab active -->
+        <div class="comparison-side clients" v-if="!props.isMobile || props.activeTab === 'clients'">
           <div class="side-header">
             <span class="side-label">Clienți - De încasat</span>
             <span class="side-total">{{ formatCurrency(clientsTotal) }}</span>
@@ -86,11 +87,11 @@
           </div>
         </div>
 
-        <!-- Divider -->
-        <div class="comparison-divider"></div>
+        <!-- Divider - Hidden on mobile -->
+        <div v-if="!props.isMobile" class="comparison-divider"></div>
 
-        <!-- Furnizori Side -->
-        <div class="comparison-side suppliers">
+        <!-- Furnizori Side - Hidden on mobile when clients tab active -->
+        <div class="comparison-side suppliers" v-if="!props.isMobile || props.activeTab === 'suppliers'">
           <div class="side-header">
             <span class="side-label">Furnizori - De plătit</span>
             <span class="side-total">{{ formatCurrency(suppliersTotal) }}</span>
@@ -512,6 +513,17 @@ const props = defineProps({
     type: [Number, String],
     required: true,
   },
+  // US-305: Active tab for mobile view (clients/suppliers)
+  activeTab: {
+    type: String,
+    default: 'clients',
+    validator: (value) => ['clients', 'suppliers'].includes(value),
+  },
+  // US-305: Is mobile view
+  isMobile: {
+    type: Boolean,
+    default: false,
+  },
 });
 
 // Emits
@@ -1689,14 +1701,24 @@ onMounted(() => {
   display: table;
 }
 
+/* US-305: Mobile single view - show only active tab */
+.comparison-section.mobile-single-view {
+  grid-template-columns: 1fr;
+  gap: 0;
+}
+
+.comparison-section.mobile-single-view .comparison-side {
+  width: 100%;
+}
+
 /* Responsive - Tablet */
 @media (max-width: 1024px) {
-  .comparison-section {
+  .comparison-section:not(.mobile-single-view) {
     grid-template-columns: 1fr;
     gap: 1.5rem;
   }
 
-  .comparison-divider {
+  .comparison-section:not(.mobile-single-view) .comparison-divider {
     display: none;
   }
 }
diff --git a/src/modules/reports/views/MaturityAnalysisView.vue b/src/modules/reports/views/MaturityAnalysisView.vue
index b989042..e21f1a6 100644
--- a/src/modules/reports/views/MaturityAnalysisView.vue
+++ b/src/modules/reports/views/MaturityAnalysisView.vue
@@ -2,12 +2,32 @@
   <!-- Mobile Top Bar -->
   <MobileTopBar
     v-if="isMobile"
-    title="Analiză Scadențe"
+    title="Scadențe"
     :show-back="true"
     @back-click="goBack"
   />
 
-  <main class="main-content" :class="{ 'mobile-layout': isMobile }">
+  <!-- US-305: Mobile Tabs for Clienți/Furnizori -->
+  <div v-if="isMobile" class="mobile-tabs-container">
+    <div class="mobile-tabs">
+      <button
+        class="mobile-tab"
+        :class="{ active: activeTab === 'clients' }"
+        @click="switchTab('clients')"
+      >
+        <span class="tab-label">Clienți</span>
+      </button>
+      <button
+        class="mobile-tab"
+        :class="{ active: activeTab === 'suppliers' }"
+        @click="switchTab('suppliers')"
+      >
+        <span class="tab-label">Furnizori</span>
+      </button>
+    </div>
+  </div>
+
+  <main class="main-content" :class="{ 'mobile-layout': isMobile, 'has-tabs': isMobile }">
     <div class="app-container">
       <!-- Page Header - only on desktop -->
       <div v-if="!isMobile" class="page-header">
@@ -34,6 +54,8 @@
       <div v-else class="maturity-container">
         <MaturityAndDetailsCard
           :companyId="companyStore.selectedCompany?.id_firma"
+          :activeTab="activeTab"
+          :isMobile="isMobile"
           @periodChanged="handlePeriodChange"
         />
       </div>
@@ -46,7 +68,7 @@
 
 <script setup>
 import { ref, computed, onMounted, onUnmounted } from 'vue'
-import { useRouter } from 'vue-router'
+import { useRouter, useRoute } from 'vue-router'
 import Button from 'primevue/button'
 import MobileTopBar from '@shared/components/mobile/MobileTopBar.vue'
 import MobileBottomNav from '@shared/components/mobile/MobileBottomNav.vue'
@@ -54,8 +76,12 @@ import MaturityAndDetailsCard from '@reports/components/dashboard/cards/Maturity
 import { useCompanyStore } from '@reports/stores/sharedStores'
 
 const router = useRouter()
+const route = useRoute()
 const companyStore = useCompanyStore()
 
+// US-305: Tab state synced with URL query params
+const activeTab = ref(route.query.tab === 'suppliers' ? 'suppliers' : 'clients')
+
 // Detectare mobile - reactive with resize listener
 const windowWidth = ref(window.innerWidth)
 const isMobile = computed(() => windowWidth.value < 768)
@@ -70,6 +96,22 @@ const goBack = () => {
   router.push('/reports/dashboard')
 }
 
+// US-305: Switch between Clienți/Furnizori tabs
+// Updates URL query param without full navigation, preserves filters
+const switchTab = (tab) => {
+  if (tab === activeTab.value) return
+
+  activeTab.value = tab
+
+  // Update URL query param without full navigation
+  router.replace({
+    query: {
+      ...route.query,
+      tab: tab === 'suppliers' ? 'suppliers' : undefined // Remove param if 'clients' (default)
+    }
+  })
+}
+
 // Handle period change from MaturityAndDetailsCard
 const handlePeriodChange = (period) => {
   console.log('Maturity period changed:', period)
@@ -95,6 +137,63 @@ onUnmounted(() => {
   padding-bottom: 56px;
 }
 
+/* Mobile layout with tabs - extra padding for tab bar */
+.main-content.mobile-layout.has-tabs {
+  padding-top: calc(56px + 48px); /* MobileTopBar + tabs height */
+}
+
+/* ================================================
+   US-305: Mobile Tabs (Clienți/Furnizori)
+   Material Design 3 inspired full-width tabs
+   ================================================ */
+
+.mobile-tabs-container {
+  position: fixed;
+  top: 56px; /* Below MobileTopBar */
+  left: 0;
+  right: 0;
+  z-index: var(--z-sticky);
+  background: var(--surface-card);
+  border-bottom: 1px solid var(--surface-border);
+}
+
+.mobile-tabs {
+  display: flex;
+  width: 100%;
+}
+
+.mobile-tab {
+  flex: 1;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: var(--space-md);
+  min-height: 48px;
+  background: transparent;
+  border: none;
+  border-bottom: 2px solid transparent;
+  cursor: pointer;
+  transition: all var(--transition-fast);
+  color: var(--text-color-secondary);
+  font-size: var(--text-sm);
+  font-weight: var(--font-medium);
+}
+
+.mobile-tab:active {
+  background: var(--surface-hover);
+}
+
+.mobile-tab.active {
+  color: var(--color-primary);
+  border-bottom-color: var(--color-primary);
+  font-weight: var(--font-semibold);
+}
+
+.tab-label {
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+}
+
 /* App container */
 .app-container {
   max-width: 1400px;