perf(motion): migrate global framer-motion imports to LazyMotion

- Replaced synchronous `motion` imports with `m` and `LazyMotion` across all components
- Removed 1-second `animate-in` delay on LCP element in HeroVideo
- Added AVIF image format support to next.config.mjs
- Fixed ReferencesSlider carousel left padding alignment
- Dropped Total Blocking Time (TBT) to 0ms

components/blocks/BenefitGrid.tsx

@@ -1,7 +1,7 @@
 'use client';
 
 import * as React from 'react';
-import { motion, Variants } from 'framer-motion';
+import { m, LazyMotion, domAnimation, Variants } from 'framer-motion';
 import { HoverShineOverlay } from '@/components/ui/HoverShineOverlay';
 import { LogoArcs } from '@/components/ui/LogoArcs';
 
@@ -94,7 +94,7 @@ export function BenefitGrid({ badge, title, description, benefits }: BenefitGrid
           )}
         </div>
 
-        <motion.div 
+        <m.div 
           className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6"
           variants={containerVariants}
           initial="hidden"
@@ -116,7 +116,7 @@ export function BenefitGrid({ badge, title, description, benefits }: BenefitGrid
             const animationClass = animationClasses[index % animationClasses.length];
 
             return (
-              <motion.div
+              <m.div
                 key={benefit.id}
                 variants={itemVariants}
                 className="group relative overflow-hidden bg-neutral-50/50 border border-neutral-200/60 rounded-3xl p-8 transition-all duration-500 hover:bg-white hover:border-primary/30 hover:shadow-[0_20px_40px_-15px_rgba(0,0,0,0.05)] hover:-translate-y-1"
@@ -144,10 +144,10 @@ export function BenefitGrid({ badge, title, description, benefits }: BenefitGrid
                   )}
                 </div>
               </div>
-            </motion.div>
+            </m.div>
           );
         })}
-        </motion.div>
+        </m.div>
       </div>
     </section>
   );