diff --git a/pages/signup.vue b/pages/signup.vue
index a983c8a..46c2aea 100644
--- a/pages/signup.vue
+++ b/pages/signup.vue
@@ -1,9 +1,9 @@
 <template>
-  <div class="signup-container">
+  <div :class="containerClasses">
     <v-container fluid class="fill-height">
       <v-row class="fill-height" justify="center" align="center">
         <v-col cols="12" sm="10" md="8" lg="6" xl="5">
-          <v-card class="signup-card" elevation="24" :loading="loading">
+          <v-card :class="cardClasses" elevation="24" :loading="loading">
             <v-card-text class="pa-8">
               <!-- Logo and Welcome -->
               <div class="text-center mb-6">
@@ -209,6 +209,14 @@
 
 <script setup lang="ts">
 import type { RegistrationFormData, RecaptchaConfig, RegistrationConfig } from '~/utils/types';
+import { 
+  getDeviceInfo, 
+  needsPerformanceOptimization, 
+  shouldDisableBackdropFilter,
+  getOptimizedClasses,
+  applyMobileSafariFixes,
+  debounce 
+} from '~/utils/mobile-safari-utils';
 
 // Declare global grecaptcha interface for TypeScript
 declare global {
@@ -225,12 +233,17 @@ definePageMeta({
   layout: false
 });
 
-// Configs - need to be declared first
+// Mobile Safari optimization flags
+const deviceInfo = ref(getDeviceInfo());
+const performanceMode = ref(needsPerformanceOptimization());
+const disableBackdropFilter = ref(shouldDisableBackdropFilter());
+
+// Configs with fallback defaults
 const recaptchaConfig = ref<RecaptchaConfig>({ siteKey: '', secretKey: '' });
 const registrationConfig = ref<RegistrationConfig>({
-  membershipFee: 50,
-  iban: '',
-  accountHolder: ''
+  membershipFee: 150,
+  iban: 'MC58 1756 9000 0104 0050 1001 860',
+  accountHolder: 'ASSOCIATION MONACO USA'
 });
 
 // Reactive data - Using individual refs to prevent Vue reactivity corruption
@@ -258,6 +271,7 @@ const loading = ref(false);
 const recaptchaToken = ref('');
 const successMessage = ref('');
 const errorMessage = ref('');
+const configsLoaded = ref(false);
 
 // Success dialog state
 const showSuccessDialog = ref(false);
@@ -268,10 +282,23 @@ useHead({
   title: 'Register - MonacoUSA Portal',
   meta: [
     { name: 'description', content: 'Register to become a member of MonacoUSA Association' },
-    { name: 'robots', content: 'noindex, nofollow' }
+    { name: 'robots', content: 'noindex, nofollow' },
+    { name: 'viewport', content: 'width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no' }
   ]
 });
 
+// Dynamic CSS classes based on device
+const containerClasses = computed(() => [
+  'signup-container',
+  ...getOptimizedClasses()
+].join(' '));
+
+const cardClasses = computed(() => [
+  'signup-card',
+  performanceMode.value ? 'performance-optimized' : '',
+  disableBackdropFilter.value ? 'no-backdrop-filter' : ''
+].filter(Boolean).join(' '));
+
 // Form validation rules
 const nameRules = [
   (v: string) => !!v || 'Name is required',
@@ -465,9 +492,10 @@ onMounted(async () => {
 </script>
 
 <style scoped>
+/* Base container styles */
 .signup-container {
   min-height: 100vh;
-  min-height: 100dvh; /* Dynamic viewport height for mobile */
+  min-height: calc(var(--vh, 1vh) * 100); /* Mobile Safari fallback */
   background: linear-gradient(rgba(163, 21, 21, 0.7), rgba(0, 0, 0, 0.5)),
               url('/monaco_high_res.jpg');
   background-size: cover;
@@ -476,6 +504,19 @@ onMounted(async () => {
   background-attachment: scroll;
   padding: 20px 0;
   position: relative;
+  overflow-x: hidden; /* Prevent horizontal scroll on mobile */
+}
+
+/* Mobile Safari optimizations */
+.signup-container.is-mobile-safari {
+  min-height: 100vh;
+  min-height: -webkit-fill-available;
+  background-attachment: scroll !important; /* Force scroll attachment */
+}
+
+.signup-container.performance-mode {
+  will-change: auto; /* Reduce repainting */
+  transform: translateZ(0); /* Force hardware acceleration but lighter */
 }
 
 /* Ensure background covers full content */
@@ -496,6 +537,13 @@ onMounted(async () => {
   min-height: 100%;
 }
 
+/* Performance mode background - simpler for mobile */
+.signup-container.performance-mode::before {
+  background: linear-gradient(rgba(163, 21, 21, 0.8), rgba(0, 0, 0, 0.6));
+  /* Remove background image on low-performance devices */
+}
+
+/* Default card styles */
 .signup-card {
   backdrop-filter: blur(15px);
   background: rgba(255, 255, 255, 0.95) !important;
@@ -507,10 +555,30 @@ onMounted(async () => {
   width: 100%;
 }
 
+/* Performance optimized card */
+.signup-card.performance-optimized {
+  backdrop-filter: none; /* Remove expensive filter */
+  background: rgba(255, 255, 255, 0.98) !important;
+  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2) !important; /* Lighter shadow */
+  transition: none; /* Remove animations for better performance */
+}
+
+/* No backdrop filter fallback */
+.signup-card.no-backdrop-filter {
+  backdrop-filter: none;
+  background: rgba(255, 255, 255, 0.98) !important;
+}
+
 .signup-card:hover {
   box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4) !important;
 }
 
+/* Disable hover effects on performance mode */
+.signup-card.performance-optimized:hover {
+  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2) !important;
+  transform: none;
+}
+
 .payment-info {
   background: rgba(163, 21, 21, 0.05);
   border-radius: 12px;
diff --git a/plugins/03.mobile-safari-fixes.client.ts b/plugins/03.mobile-safari-fixes.client.ts
new file mode 100644
index 0000000..81052b2
--- /dev/null
+++ b/plugins/03.mobile-safari-fixes.client.ts
@@ -0,0 +1,23 @@
+/**
+ * Mobile Safari Fixes Plugin
+ * Applies mobile Safari specific optimizations on client side
+ */
+
+import { applyMobileSafariFixes } from '~/utils/mobile-safari-utils';
+
+export default defineNuxtPlugin(() => {
+  // Apply mobile Safari fixes on client-side mount
+  if (typeof window !== 'undefined') {
+    // Apply fixes immediately
+    applyMobileSafariFixes();
+    
+    // Also apply on route changes (for SPA navigation)
+    const router = useRouter();
+    router.afterEach(() => {
+      // Small delay to ensure DOM is ready
+      nextTick(() => {
+        applyMobileSafariFixes();
+      });
+    });
+  }
+});
diff --git a/utils/mobile-safari-utils.ts b/utils/mobile-safari-utils.ts
new file mode 100644
index 0000000..0c25964
--- /dev/null
+++ b/utils/mobile-safari-utils.ts
@@ -0,0 +1,171 @@
+/**
+ * Mobile Safari Detection and Optimization Utilities
+ * Handles Safari-specific issues and performance optimizations
+ */
+
+export interface DeviceInfo {
+  isMobile: boolean;
+  isSafari: boolean;
+  isMobileSafari: boolean;
+  isIOS: boolean;
+  safariVersion?: number;
+}
+
+/**
+ * Detect device and browser information
+ */
+export function getDeviceInfo(): DeviceInfo {
+  if (typeof window === 'undefined') {
+    return {
+      isMobile: false,
+      isSafari: false,
+      isMobileSafari: false,
+      isIOS: false
+    };
+  }
+
+  const userAgent = navigator.userAgent;
+  const isMobile = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(userAgent);
+  const isIOS = /iPad|iPhone|iPod/.test(userAgent);
+  const isSafari = /^((?!chrome|android).)*safari/i.test(userAgent);
+  const isMobileSafari = isIOS && isSafari;
+  
+  // Extract Safari version if possible
+  let safariVersion: number | undefined;
+  if (isSafari) {
+    const match = userAgent.match(/Version\/(\d+)/);
+    if (match) {
+      safariVersion = parseInt(match[1]);
+    }
+  }
+
+  return {
+    isMobile,
+    isSafari,
+    isMobileSafari,
+    isIOS,
+    safariVersion
+  };
+}
+
+/**
+ * Check if the device needs performance optimizations
+ */
+export function needsPerformanceOptimization(): boolean {
+  const { isMobileSafari, isMobile } = getDeviceInfo();
+  return isMobileSafari || isMobile;
+}
+
+/**
+ * Check if backdrop-filter should be disabled
+ */
+export function shouldDisableBackdropFilter(): boolean {
+  const { isMobileSafari, safariVersion } = getDeviceInfo();
+  // Disable backdrop-filter on mobile Safari or older Safari versions
+  return isMobileSafari || Boolean(safariVersion && safariVersion < 16);
+}
+
+/**
+ * Get optimized CSS class names based on device
+ */
+export function getOptimizedClasses(): string[] {
+  const classes: string[] = [];
+  const { isMobile, isMobileSafari, isIOS } = getDeviceInfo();
+  
+  if (isMobile) classes.push('is-mobile');
+  if (isMobileSafari) classes.push('is-mobile-safari');
+  if (isIOS) classes.push('is-ios');
+  if (needsPerformanceOptimization()) classes.push('performance-mode');
+  
+  return classes;
+}
+
+/**
+ * Optimized viewport height for mobile Safari
+ */
+export function getOptimizedViewportHeight(): string {
+  const { isMobileSafari, safariVersion } = getDeviceInfo();
+  
+  if (isMobileSafari) {
+    // Use 100vh for older Safari, -webkit-fill-available for newer
+    return safariVersion && safariVersion >= 15 ? '-webkit-fill-available' : '100vh';
+  }
+  
+  // Use dvh for modern browsers, vh as fallback
+  return '100vh';
+}
+
+/**
+ * Apply mobile Safari specific fixes
+ */
+export function applyMobileSafariFixes(): void {
+  if (typeof window === 'undefined') return;
+  
+  const { isMobileSafari } = getDeviceInfo();
+  if (!isMobileSafari) return;
+  
+  // Fix viewport height issues
+  const setViewportHeight = () => {
+    const vh = window.innerHeight * 0.01;
+    document.documentElement.style.setProperty('--vh', `${vh}px`);
+  };
+  
+  // Set initial value
+  setViewportHeight();
+  
+  // Update on resize (debounced)
+  let resizeTimeout: NodeJS.Timeout;
+  window.addEventListener('resize', () => {
+    clearTimeout(resizeTimeout);
+    resizeTimeout = setTimeout(setViewportHeight, 100);
+  });
+  
+  // Add performance optimization classes
+  document.documentElement.classList.add(...getOptimizedClasses());
+}
+
+/**
+ * Throttle function for performance
+ */
+export function throttle<T extends (...args: any[]) => void>(
+  func: T,
+  wait: number
+): (...args: Parameters<T>) => void {
+  let timeout: NodeJS.Timeout | null = null;
+  let previous = 0;
+  
+  return function(this: any, ...args: Parameters<T>) {
+    const now = Date.now();
+    const remaining = wait - (now - previous);
+    
+    if (remaining <= 0 || remaining > wait) {
+      if (timeout) {
+        clearTimeout(timeout);
+        timeout = null;
+      }
+      previous = now;
+      func.apply(this, args);
+    } else if (!timeout) {
+      timeout = setTimeout(() => {
+        previous = Date.now();
+        timeout = null;
+        func.apply(this, args);
+      }, remaining);
+    }
+  };
+}
+
+/**
+ * Debounce function for performance
+ */
+export function debounce<T extends (...args: any[]) => void>(
+  func: T,
+  wait: number
+): (...args: Parameters<T>) => void {
+  let timeout: NodeJS.Timeout;
+  
+  return function(this: any, ...args: Parameters<T>) {
+    clearTimeout(timeout);
+    timeout = setTimeout(() => func.apply(this, args), wait);
+  };
+}