feat(performance): optimize Core Web Vitals with CSS animations and lazy analytics

- Replace framer-motion with CSS animations in TrustBadges, AsSeenIn, ProblemSection
- Create AnalyticsProvider client component for OpenPanel lazy-loading
- Fix HeroVideo CLS with explicit aspect-ratio (4/3)
- Remove deprecated swcMinify from next.config (enabled by default)
- Add optimizePackageImports for better tree-shaking

src/components/home/ProblemSection.tsx

@@ -1,6 +1,5 @@
 "use client";
 
-import { motion } from "framer-motion";
 import { useTranslations } from "next-intl";
 
 export default function ProblemSection() {
@@ -10,13 +9,7 @@ export default function ProblemSection() {
   return (
     <section className="py-24 bg-gradient-to-b from-[#fefcfb] to-[#faf9f7]">
       <div className="container mx-auto px-4">
-        <motion.div
-          className="max-w-3xl mx-auto text-center"
-          initial={{ opacity: 0, y: 20 }}
-          whileInView={{ opacity: 1, y: 0 }}
-          viewport={{ once: true }}
-          transition={{ duration: 0.6 }}
-        >
+        <div className="max-w-3xl mx-auto text-center animate-on-scroll">
           <span className="text-xs uppercase tracking-[0.3em] text-[#c9a962] mb-4 block font-medium">
             {t("title")}
           </span>
@@ -27,18 +20,14 @@ export default function ProblemSection() {
             {t("description")}
           </p>
           <div className="w-16 h-1 bg-gradient-to-r from-[#c9a962] to-[#FFD700] mx-auto mt-8 rounded-full" />
-        </motion.div>
+        </div>
 
         <div className="grid grid-cols-1 md:grid-cols-3 gap-6 lg:gap-8 max-w-5xl mx-auto mt-16">
           {problems.map((item, index) => (
-            <motion.div
+            <div
               key={index}
-              className="relative text-center p-8 bg-white rounded-3xl shadow-lg border border-[#f0ede8] hover:shadow-2xl hover:border-[#c9a962]/30 transition-all duration-500 group"
-              initial={{ opacity: 0, y: 30 }}
-              whileInView={{ opacity: 1, y: 0 }}
-              viewport={{ once: true }}
-              transition={{ duration: 0.5, delay: index * 0.1 }}
-              whileHover={{ y: -5 }}
+              className="relative text-center p-8 bg-white rounded-3xl shadow-lg border border-[#f0ede8] hover:shadow-2xl hover:border-[#c9a962]/30 transition-all duration-500 group animate-on-scroll"
+              style={{ animationDelay: `${index * 100}ms` }}
             >
               <div className="absolute top-0 left-1/2 -translate-x-1/2 w-20 h-1 bg-gradient-to-r from-[#c9a962] to-[#FFD700] rounded-b-full opacity-0 group-hover:opacity-100 transition-opacity duration-300" />
 
@@ -61,10 +50,44 @@ export default function ProblemSection() {
               </div>
               <h3 className="text-lg font-semibold text-[#1a1a1a] mb-3">{item.problem}</h3>
               <p className="text-sm text-[#666666] leading-relaxed">{item.description}</p>
-            </motion.div>
+            </div>
           ))}
         </div>
       </div>
+
+      <script dangerouslySetInnerHTML={{ __html: `
+        (function() {
+          const observer = new IntersectionObserver((entries) => {
+            entries.forEach(entry => {
+              if (entry.isIntersecting) {
+                entry.target.classList.add('animate-visible');
+                observer.unobserve(entry.target);
+              }
+            });
+          }, { threshold: 0.1 });
+          
+          document.querySelectorAll('.animate-on-scroll').forEach(el => observer.observe(el));
+        })();
+      `}} />
+
+      <style>{`
+        @keyframes fadeInUp {
+          from {
+            opacity: 0;
+            transform: translateY(20px);
+          }
+          to {
+            opacity: 1;
+            transform: translateY(0);
+          }
+        }
+        .animate-on-scroll {
+          opacity: 0;
+        }
+        .animate-on-scroll.animate-visible {
+          animation: fadeInUp 0.5s ease-out forwards;
+        }
+      `}</style>
     </section>
   );
-}
+}