feat: implement 3D parallax effects and floating particles in the main app layout; enhance Tailwind CSS configuration with perspective utilities

src/App.tsx

@@ -1,5 +1,5 @@
-import React, { useState, useEffect } from 'react'
+import React, { useState, useEffect, useRef } from 'react'
-import { motion, useMotionValue, useSpring, useTransform } from 'framer-motion'
+import { motion, useMotionValue, useSpring, useTransform, useScroll } from 'framer-motion'
 import {
   ArrowRight,
   Backpack,
@@ -64,6 +64,7 @@ interface CalloutProps {
   href: string
   accent: string
   icon: React.ComponentType<IconProps>
+  index?: number
 }
 
 interface PageShellProps {
@@ -86,6 +87,71 @@ interface PolicySectionProps {
   children: React.ReactNode
 }
 
+/* ===================== 3D Parallax Components ===================== */
+
+// 3D Parallax Container Component
+interface ParallaxContainerProps {
+  children: React.ReactNode
+  depth?: number
+  className?: string
+}
+
+function ParallaxContainer({ children, depth = 1, className = '' }: ParallaxContainerProps) {
+  const ref = useRef<HTMLDivElement>(null)
+  const { scrollYProgress } = useScroll({
+    target: ref,
+    offset: ['start end', 'end start']
+  })
+  
+  const y = useTransform(scrollYProgress, [0, 1], [0, -50 * depth])
+  const rotateX = useTransform(scrollYProgress, [0, 1], [0, 5 * depth])
+  const scale = useTransform(scrollYProgress, [0, 0.5, 1], [0.8, 1, 1.1])
+  
+  return (
+    <motion.div
+      ref={ref}
+      style={{ y, rotateX, scale }}
+      className={`transform-gpu ${className}`}
+      initial={{ opacity: 0 }}
+      whileInView={{ opacity: 1 }}
+      viewport={{ once: true, margin: '-100px' }}
+      transition={{ duration: 0.6, ease: 'easeOut' }}
+    >
+      {children}
+    </motion.div>
+  )
+}
+
+// Floating Particles Background
+function FloatingParticles() {
+  const particles = Array.from({ length: 50 }, (_, i) => i)
+  
+  return (
+    <div className="absolute inset-0 overflow-hidden pointer-events-none">
+      {particles.map((i) => (
+        <motion.div
+          key={i}
+          className="absolute w-1 h-1 bg-primary-400/20 rounded-full"
+          style={{
+            left: `${Math.random() * 100}%`,
+            top: `${Math.random() * 100}%`,
+          }}
+          animate={{
+            y: [-20, -100, -20],
+            x: [-10, 10, -10],
+            opacity: [0, 1, 0],
+          }}
+          transition={{
+            duration: Math.random() * 10 + 5,
+            repeat: Infinity,
+            delay: Math.random() * 2,
+          }}
+        />
+      ))}
+    </div>
+  )
+}
+
 /* ===================== Router ===================== */
 function useHashRoute() {
   const parse = () => (window.location.hash?.slice(1) || "/")
@@ -252,16 +318,38 @@ function HomePage() {
 }
 
 function Hero() {
+  const containerRef = useRef<HTMLDivElement>(null)
+  const { scrollYProgress } = useScroll({
+    target: containerRef,
+    offset: ['start start', 'end start']
+  })
+  
+  const backgroundY = useTransform(scrollYProgress, [0, 1], ['0%', '50%'])
+  const contentY = useTransform(scrollYProgress, [0, 1], ['0%', '100%'])
+  
   return (
-    <section className="relative isolate overflow-hidden">
+    <section ref={containerRef} className="relative isolate overflow-hidden min-h-screen flex items-center">
-      <div className="mx-auto grid max-w-7xl items-center gap-10 px-4 py-20 sm:px-6 lg:grid-cols-2 lg:gap-12 lg:py-28 lg:px-8">
+      {/* 3D Background Layer */}
-        <div>
+      <motion.div 
+        className="absolute inset-0 bg-gradient-to-br from-primary-50/50 via-white to-secondary-50/50 dark:from-gray-900/50 dark:via-gray-800/50 dark:to-gray-900/50"
+        style={{ y: backgroundY }}
+      >
+        <FloatingParticles />
+      </motion.div>
+      
+      {/* Content Layer with Parallax */}
+      <motion.div 
+        className="mx-auto grid max-w-7xl items-center gap-10 px-4 py-20 sm:px-6 lg:grid-cols-2 lg:gap-12 lg:py-28 lg:px-8 relative z-10"
+        style={{ y: contentY }}
+      >
+        <ParallaxContainer depth={0.3}>
           <motion.h1
             initial={{ opacity: 0, y: 12 }}
             whileInView={{ opacity: 1, y: 0 }}
             viewport={{ once: true }}
             transition={{ duration: 0.6 }}
-            className="text-balance text-4xl font-bold tracking-tight sm:text-5xl md:text-6xl"
+            className="text-balance text-4xl font-bold tracking-tight sm:text-5xl md:text-6xl transform-gpu"
+            style={{ transformStyle: 'preserve-3d' }}
           >
             Equipping kids for success—
             <span className="relative whitespace-pre gradient-text"> school supplies, clothing, & more</span>
@@ -287,10 +375,51 @@ function Hero() {
             <li className="flex items-center gap-2"><CheckCircle2 className="h-4 w-4 text-emerald-500"/> Donations tax-deductible</li>
             <li className="flex items-center gap-2"><CheckCircle2 className="h-4 w-4 text-emerald-500"/> Community-driven impact</li>
           </ul>
-        </div>
+        </ParallaxContainer>
-        <div className="relative">
+        
+        <ParallaxContainer depth={0.5} className="relative">
           <HeroShowcase />
-        </div>
+        </ParallaxContainer>
+      </motion.div>
+      
+      {/* 3D Floating Elements */}
+      <div className="absolute inset-0 pointer-events-none">
+        <motion.div
+          className="absolute top-20 left-10 text-primary-300 dark:text-primary-600"
+          animate={{ 
+            y: [-10, 10, -10],
+            rotateY: [0, 360],
+            z: [0, 50, 0]
+          }}
+          transition={{ duration: 6, repeat: Infinity, ease: "easeInOut" }}
+          style={{ transformStyle: 'preserve-3d' }}
+        >
+          <Heart className="h-8 w-8" />
+        </motion.div>
+        <motion.div
+          className="absolute top-32 right-20 text-secondary-300 dark:text-secondary-600"
+          animate={{ 
+            y: [10, -10, 10],
+            rotateX: [0, 180, 360],
+            z: [0, 30, 0]
+          }}
+          transition={{ duration: 4, repeat: Infinity, ease: "easeInOut", delay: 1 }}
+          style={{ transformStyle: 'preserve-3d' }}
+        >
+          <Sparkles className="h-6 w-6" />
+        </motion.div>
+        <motion.div
+          className="absolute bottom-32 left-20 text-primary-300 dark:text-primary-600"
+          animate={{ 
+            y: [-8, 8, -8],
+            rotateZ: [0, 180, 360],
+            z: [0, 40, 0]
+          }}
+          transition={{ duration: 8, repeat: Infinity, ease: "easeInOut", delay: 2 }}
+          style={{ transformStyle: 'preserve-3d' }}
+        >
+          <Users className="h-7 w-7" />
+        </motion.div>
       </div>
     </section>
   )
@@ -421,12 +550,30 @@ function Impact() {
   ]
   
   return (
-    <section id="impact" className="relative py-24">
+    <section id="impact" className="relative py-24 overflow-hidden">
       <div className="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8">
-        <SectionHeader eyebrow="Impact" title="Every gift moves a student forward" subtitle="Transparent, measurable outcomes powered by local partnerships." />
+        <ParallaxContainer depth={0.3}>
+          <SectionHeader eyebrow="Impact" title="Every gift moves a student forward" subtitle="Transparent, measurable outcomes powered by local partnerships." />
+        </ParallaxContainer>
+        
         <div className="mt-12 grid gap-6 sm:grid-cols-2 lg:grid-cols-4">
           {stats.map((s, i) => (
-            <Stat key={i} label={s.label} value={s.value} />
+            <ParallaxContainer key={i} depth={0.4 + i * 0.1}>
+              <motion.div
+                initial={{ opacity: 0, y: 20 }}
+                whileInView={{ opacity: 1, y: 0 }}
+                viewport={{ once: true }}
+                transition={{ duration: 0.6, delay: i * 0.1 }}
+                whileHover={{
+                  scale: 1.05,
+                  rotateY: 5,
+                  z: 50
+                }}
+                style={{ transformStyle: 'preserve-3d' }}
+              >
+                <Stat label={s.label} value={s.value} />
+              </motion.div>
+            </ParallaxContainer>
           ))}
         </div>
         <div className="mt-10 grid items-center gap-6 rounded-2xl border border-emerald-500/20 bg-emerald-500/10 p-6 sm:grid-cols-2">
@@ -549,30 +696,64 @@ function GetInvolved() {
   ]
   
   return (
-    <section id="get-involved" className="relative py-24">
+    <section id="get-involved" className="relative py-24 overflow-hidden">
       <div className="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8">
-        <SectionHeader eyebrow="Get involved" title="There's a role for everyone" subtitle="Give monthly, share skills, or introduce us to your school." />
+        <ParallaxContainer depth={0.3}>
+          <SectionHeader eyebrow="Get involved" title="There's a role for everyone" subtitle="Give monthly, share skills, or introduce us to your school." />
+        </ParallaxContainer>
+        
         <div className="mt-10 grid gap-6 md:grid-cols-3">
-          {options.map((o, i) => (<Callout key={i} {...o} />))}
+          {options.map((o, i) => (
+            <ParallaxContainer key={i} depth={0.5 + i * 0.1}>
+              <Callout {...o} index={i} />
+            </ParallaxContainer>
+          ))}
         </div>
       </div>
     </section>
   )
 }
 
-function Callout({ title, body, href, accent, icon: Icon }: CalloutProps) {
+function Callout({ title, body, href, accent, icon: Icon, index = 0 }: CalloutProps) {
   return (
-    <div className="group card card-hover">
+    <motion.div 
-      <div className={`absolute -right-10 -top-10 h-36 w-36 rounded-full bg-gradient-to-br ${accent} opacity-30 blur-2xl`} />
+      className="group card card-hover transform-gpu"
-      <div className={`mb-3 grid h-12 w-12 place-items-center rounded-xl bg-gradient-to-br ${accent} text-white shadow`}>
+      initial={{ opacity: 0, y: 20 }}
+      whileInView={{ opacity: 1, y: 0 }}
+      viewport={{ once: true }}
+      transition={{ duration: 0.6, delay: index * 0.1 }}
+      whileHover={{
+        scale: 1.05,
+        rotateY: index % 2 === 0 ? 5 : -5,
+        z: 50
+      }}
+      style={{ transformStyle: 'preserve-3d' }}
+    >
+      <div className={`absolute -right-10 -top-10 h-36 w-36 rounded-full bg-gradient-to-br ${accent} opacity-30 blur-2xl group-hover:opacity-50 transition-opacity duration-300`} />
+      
+      <motion.div 
+        className={`mb-3 grid h-12 w-12 place-items-center rounded-xl bg-gradient-to-br ${accent} text-white shadow`}
+        whileHover={{ 
+          rotateY: 180,
+          scale: 1.1
+        }}
+        transition={{ duration: 0.3 }}
+      >
         <Icon className="h-6 w-6" />
-      </div>
+      </motion.div>
+      
       <div className="font-semibold tracking-tight">{title}</div>
       <p className="mt-2 text-sm text-neutral-700 dark:text-neutral-300">{body}</p>
-      <a href={href} className="mt-4 inline-flex items-center text-sm text-neutral-800 underline-offset-4 hover:underline dark:text-neutral-200">
+      
+      <motion.a 
+        href={href} 
+        className="mt-4 inline-flex items-center text-sm text-neutral-800 underline-offset-4 hover:underline dark:text-neutral-200"
+        whileHover={{ x: 5 }}
+        transition={{ duration: 0.2 }}
+      >
         Learn more <ArrowRight className="ml-1 h-4 w-4" />
-      </a>
+      </motion.a>
-    </div>
+    </motion.div>
   )
 }
 

tailwind.config.cjs

@@ -62,9 +62,27 @@ module.exports = {
       backdropBlur: {
         xs: '2px',
       },
+      perspective: {
+        '300': '300px',
+        '500': '500px',
+        '1000': '1000px',
+        '2000': '2000px',
+      },
     },
   },
   plugins: [
     require('@tailwindcss/typography'),
+    function({ addUtilities }) {
+      addUtilities({
+        '.perspective-300': { perspective: '300px' },
+        '.perspective-500': { perspective: '500px' },
+        '.perspective-1000': { perspective: '1000px' },
+        '.perspective-2000': { perspective: '2000px' },
+        '.transform-style-preserve-3d': { 'transform-style': 'preserve-3d' },
+        '.transform-style-flat': { 'transform-style': 'flat' },
+        '.backface-hidden': { 'backface-visibility': 'hidden' },
+        '.backface-visible': { 'backface-visibility': 'visible' },
+      })
+    }
   ],
 }