fix: title-case VIES data, animate company info, no price flash

VIES returns ALL CAPS — now title-cased for display. Company info
slides in with framer-motion. Price breakdown stays visible during
VAT verification instead of flashing to a loading spinner.

components/checkout/PlanSummary.tsx

@@ -2,7 +2,7 @@
 
 import { useState, useEffect, useCallback } from 'react'
 import { useRouter, useSearchParams } from 'next/navigation'
-import { motion } from 'framer-motion'
+import { motion, AnimatePresence } from 'framer-motion'
 import { Select } from '@ciphera-net/ui'
 import { TRAFFIC_TIERS, PLAN_PRICES } from '@/lib/plans'
 import { COUNTRY_OPTIONS } from '@/lib/countries'
@@ -21,6 +21,11 @@ interface PlanSummaryProps {
 const inputClass =
   'w-full rounded-lg border border-neutral-700 bg-neutral-800/50 px-3 py-2.5 text-sm text-white placeholder:text-neutral-500 focus:outline-none focus:ring-1 focus:ring-brand-orange focus:border-brand-orange transition-colors'
 
+/** Convert VIES ALL-CAPS text to title case (e.g. "SA SODIMAS" → "Sa Sodimas") */
+function toTitleCase(s: string) {
+  return s.replace(/\S+/g, (w) => w.charAt(0).toUpperCase() + w.slice(1).toLowerCase())
+}
+
 export default function PlanSummary({ plan, interval, limit, country, vatId, onCountryChange, onVatIdChange }: PlanSummaryProps) {
   const router = useRouter()
   const searchParams = useSearchParams()
@@ -148,17 +153,35 @@ export default function PlanSummary({ plan, interval, limit, country, vatId, onC
           </button>
         </div>
         {/* Verified company info */}
-        {isVatValid && vatResult?.company_name && (
+        <AnimatePresence>
-          <div className="mt-2 rounded-lg bg-green-500/5 border border-green-500/20 px-3 py-2 text-xs text-neutral-400">
+          {isVatValid && vatResult?.company_name && (
-            <p className="font-medium text-green-400">{vatResult.company_name}</p>
+            <motion.div
-            {vatResult.company_address && (
+              initial={{ opacity: 0, height: 0 }}
-              <p className="mt-0.5 whitespace-pre-line">{vatResult.company_address}</p>
+              animate={{ opacity: 1, height: 'auto' }}
-            )}
+              exit={{ opacity: 0, height: 0 }}
-          </div>
+              transition={{ duration: 0.25, ease: 'easeOut' }}
-        )}
+              className="overflow-hidden"
-        {isVatChecked && vatResult && !vatResult.vat_exempt && (
+            >
-          <p className="mt-1.5 text-xs text-yellow-400">VAT ID could not be verified. 21% VAT will apply.</p>
+              <div className="mt-2 rounded-lg bg-green-500/5 border border-green-500/20 px-3 py-2 text-xs text-neutral-400">
-        )}
+                <p className="font-medium text-green-400">{toTitleCase(vatResult.company_name)}</p>
+                {vatResult.company_address && (
+                  <p className="mt-0.5 whitespace-pre-line">{toTitleCase(vatResult.company_address)}</p>
+                )}
+              </div>
+            </motion.div>
+          )}
+          {isVatChecked && vatResult && !vatResult.vat_exempt && (
+            <motion.p
+              initial={{ opacity: 0 }}
+              animate={{ opacity: 1 }}
+              exit={{ opacity: 0 }}
+              transition={{ duration: 0.2 }}
+              className="mt-1.5 text-xs text-yellow-400"
+            >
+              VAT ID could not be verified. 21% VAT will apply.
+            </motion.p>
+          )}
+        </AnimatePresence>
       </div>
 
       {/* Price breakdown */}
@@ -176,10 +199,10 @@ export default function PlanSummary({ plan, interval, limit, country, vatId, onC
               </span>
             )}
           </div>
-        ) : vatLoading ? (
+        ) : vatLoading && !vatResult ? (
           <div className="flex items-center gap-2 text-sm text-neutral-400">
             <div className="h-4 w-4 animate-spin rounded-full border-2 border-neutral-600 border-t-white" />
-            {vatId ? 'Verifying VAT ID...' : 'Calculating VAT...'}
+            Calculating VAT...
           </div>
         ) : vatResult ? (
           <div className="space-y-1.5 text-sm">