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/SupportCTA.tsx

@@ -3,7 +3,7 @@
 import React from 'react';
 import TrackedLink from '@/components/analytics/TrackedLink';
 import { getButtonClasses, ButtonOverlay } from '@/components/ui/Button';
-import { motion } from 'framer-motion';
+import { m, LazyMotion, domAnimation } from 'framer-motion';
 
 export interface SupportCTAProps {
   title: string;
@@ -39,7 +39,7 @@ export const SupportCTA: React.FC<SupportCTAProps> = (props) => {
   const { title, description, buttonLabel, buttonHref } = props;
 
   return (
-    <motion.div 
+    <m.div 
       variants={containerVariants}
       initial="hidden"
       whileInView="visible"
@@ -48,9 +48,9 @@ export const SupportCTA: React.FC<SupportCTAProps> = (props) => {
     >
       <div className="absolute top-0 right-0 w-64 h-full bg-accent/5 -skew-x-12 translate-x-1/2 transition-transform duration-700 group-hover:translate-x-1/3" />
       <div className="relative z-10 max-w-2xl">
-        <motion.h3 variants={itemVariants} className="text-2xl md:text-3xl font-bold mb-4">{title}</motion.h3>
-        <motion.p variants={itemVariants} className="text-lg text-white/70 mb-8">{description}</motion.p>
-        <motion.div variants={itemVariants}>
+        <m.h3 variants={itemVariants} className="text-2xl md:text-3xl font-bold mb-4">{title}</m.h3>
+        <m.p variants={itemVariants} className="text-lg text-white/70 mb-8">{description}</m.p>
+        <m.div variants={itemVariants}>
           <TrackedLink
             href={buttonHref}
             className={getButtonClasses('accent', 'lg')}
@@ -66,8 +66,8 @@ export const SupportCTA: React.FC<SupportCTAProps> = (props) => {
             </span>
             <ButtonOverlay variant="accent" />
           </TrackedLink>
-        </motion.div>
+        </m.div>
       </div>
-    </motion.div>
+    </m.div>
   );
 };