feat: Complete checkout overhaul with Stripe PaymentIntent integration and abandoned cart recovery

resources/lang/en/auth.json

@@ -0,0 +1,50 @@
+{
+  "login_failed": "Invalid email or password.",
+  "login_success": "You are now logged in.",
+  "registration_failed": "Registration failed.",
+  "registration_success": "Registration successful – proceed with purchase.",
+  "already_logged_in": "You are already logged in.",
+  "failed_credentials": "Wrong credentials.",
+  "header": {
+    "login": "Login",
+    "register": "Register",
+    "home": "Home",
+    "packages": "Packages",
+    "blog": "Blog",
+    "occasions": {
+      "wedding": "Wedding",
+      "birthday": "Birthday",
+      "corporate": "Corporate Event"
+    },
+    "contact": "Contact"
+  },
+  "login": {
+    "title": "Login",
+    "username_or_email": "Username or Email",
+    "email": "Email Address",
+    "email_placeholder": "your@email.com",
+    "password": "Password",
+    "password_placeholder": "Your password",
+    "remember": "Stay logged in",
+    "forgot": "Forgot password?",
+    "submit": "Login"
+  },
+  "register": {
+    "title": "Register",
+    "name": "Full Name",
+    "username": "Username",
+    "email": "Email Address",
+    "password": "Password",
+    "password_confirmation": "Confirm password",
+    "first_name": "First Name",
+    "last_name": "Last Name",
+    "address": "Address",
+    "phone": "Phone Number",
+    "privacy_consent": "I agree to the privacy policy and accept the processing of my personal data.",
+    "submit": "Register"
+  },
+  "verification": {
+    "notice": "Please verify your email address.",
+    "resend": "Resend email"
+  }
+}