diff --git a/src/App.svelte b/src/App.svelte
index 16616c5..8cdf551 100644
--- a/src/App.svelte
+++ b/src/App.svelte
@@ -80,7 +80,8 @@ const CONFIG = {
   playerScale: 1.7,
   START_SPEED: 45,   // Initial slow speed
   MAX_SPEED: 95,     // The "chaos" threshold
-  ACCELERATION: 1  // Speed added per second
+  ACCELERATION: 1,  // Speed added per second
+  CYCLE_INTERVAL: 7000
 };
 
 let currentSpeed = CONFIG.START_SPEED;
@@ -94,6 +95,12 @@ let isDying = false, hitFlash = false;
 
 let spawnDistanceTracker = 0;
 const SPAWN_INTERVAL = 40; // Physical distance between obstacles
+let cloudGroup;
+let skyColors = {
+  day: new THREE.Color(0x87CEFA),
+  night: new THREE.Color(0x02050a)
+};
+let sun, moon, ambientLight, sunLight, headLight;
 
 // 2D Game Logic
 let gamePhase = "START"; 
@@ -119,8 +126,6 @@ const sketch = (p) => {
     const h = container?.clientHeight || p.windowHeight;
     p.createCanvas(w, h);
 
-    // Load images and store them in the textures object
-    // Using p.loadImage with a promise-like approach
     const loadImg = (path) => new Promise(resolve => {
       p.loadImage(path, img => resolve(img), () => resolve(null));
     });
@@ -130,7 +135,6 @@ const sketch = (p) => {
     textures.BLUEBERRY = await loadImg('blubb.png');
   };
 
-  // --- NEW: Function to draw a pixelated heart ---
   const drawHeart = (x, y, size, active) => {
       p.push();
       p.noStroke();
@@ -148,7 +152,6 @@ const sketch = (p) => {
   p.draw = () => {
     p.clear();
     if (!isPlaying) return;
-
     if (gamePhase === "INSTRUCTIONS") {
       p.fill(0, 200); // Darken background
       p.rect(0, 0, p.width, p.height);
@@ -184,7 +187,7 @@ const sketch = (p) => {
       drawHeart(20 + (i * 35), 20, 25, i < lives);
     }
 
-    // Spawning Logic (keeping your random chance)
+
     if (p.random(1) < 0.004) {
       const types = ["STRAWBERRY", "BANANA", "BLUEBERRY"];
       targets.push({
@@ -195,7 +198,7 @@ const sketch = (p) => {
         rot: 0
       });
     }
-
+    
     // --- RENDER IMAGES ---
     for (let i = targets.length - 1; i >= 0; i--) {
       let t = targets[i];
@@ -246,9 +249,7 @@ const sketch = (p) => {
       if (p.dist(p.mouseX, p.mouseY, t.x, t.y) < 40) {
         if (t.type === targetType) {
           score += 100;
-          attentiveness = Math.min(100, attentiveness + 15);
         } else {
-          attentiveness -= 20;
           if (lives > 0) lives--;
         }
         targets.splice(i, 1);
@@ -277,6 +278,7 @@ const grassFragment = `
   }
 `;
 
+
 const createClouds = (group) => {
   const cloudMaterial = new THREE.MeshLambertMaterial({ color: 0xffffff, transparent: true, opacity: 0.8 });
   const thickness = 2; 
@@ -284,7 +286,8 @@ const createClouds = (group) => {
     const w = 10 + Math.random() * 20;
     const d = 10 + Math.random() * 20;
     const cloud = new THREE.Mesh(new THREE.BoxGeometry(w, thickness, d), cloudMaterial);
-    cloud.position.set((Math.random() - 0.5) * 280, 35, (Math.random() - 0.5) * 300);
+    const y = 30 + Math.random() * 25;
+    cloud.position.set((Math.random() - 0.5) * 280, y, (Math.random() - 0.5) * 300);
     group.add(cloud);
   }
 };
@@ -363,7 +366,7 @@ function init() {
   lights[1].position.set(0, 50, 0);
   scene.add(...lights);
 
-  const cloudGroup = new THREE.Group();
+  cloudGroup = new THREE.Group();
   createClouds(cloudGroup);
   scene.add(cloudGroup);
 
@@ -384,6 +387,29 @@ function init() {
     camera.updateProjectionMatrix();
   });
   ro.observe(container);
+
+  // 1. Update Fog to use the day color
+  scene.fog = new THREE.Fog(skyColors.day, 150, 300);
+
+  // 2. Setup Lights
+  ambientLight = new THREE.AmbientLight(0xffffff, 1.5);
+  sunLight = new THREE.DirectionalLight(0xffffff, 1.0);
+  sunLight.position.set(0, 50, -50);
+  
+  // 3. Add the "Headlight" to the camera (stays off during day)
+  headLight = new THREE.PointLight(0x00d2ff, 0, 40);
+  camera.add(headLight);
+  scene.add(camera, ambientLight, sunLight);
+
+  // 4. Create Low-Poly Sun and Moon
+  const lowPolyGeo = new THREE.IcosahedronGeometry(10, 1);
+  sun = new THREE.Mesh(lowPolyGeo, new THREE.MeshBasicMaterial({ color: 0xffffcc }));
+  moon = new THREE.Mesh(lowPolyGeo, new THREE.MeshBasicMaterial({ color: 0x94b0ff }));
+  
+  // Position them at opposite poles
+  sun.position.set(60, 100, -250);
+  moon.position.set(60, -100, -250);
+  scene.add(sun, moon);
 }
 
 async function spawn() {
@@ -400,6 +426,7 @@ async function spawn() {
   worldObjects = [...worldObjects, { mesh: pivot, lane: l }];
 }
 
+
 function update() {
   const now = performance.now();
   const delta = (now - lastTime) / 1000;
@@ -409,13 +436,34 @@ function update() {
   if (currentMixer) currentMixer.update(delta);
   if (!isPlaying) return;
 
+  // --- DAY/NIGHT CYCLE LOGIC START ---
+  
+  // Calculate alpha (0 = Day, 1 = Night) using a sine wave based on score
+  let cycleProgress = (score % (CONFIG.CYCLE_INTERVAL * 2)) / (CONFIG.CYCLE_INTERVAL * 2);
+  let nightAlpha = Math.pow(Math.sin(cycleProgress * Math.PI), 2); 
+
+  // Interpolate Background and Fog colors
+  const currentSky = skyColors.day.clone().lerp(skyColors.night, nightAlpha);
+  scene.background.copy(currentSky);
+  scene.fog.color.copy(currentSky);
+  
+  // Adjust Light Intensities
+  ambientLight.intensity = THREE.MathUtils.lerp(1.5, 0.2, nightAlpha);
+  sunLight.intensity = THREE.MathUtils.lerp(1.0, 0.1, nightAlpha);
+  headLight.intensity = THREE.MathUtils.lerp(0, 2.5, nightAlpha); 
+
+  // Move Sun and Moon (Sun goes down, Moon comes up)
+  sun.position.y = THREE.MathUtils.lerp(100, -100, nightAlpha);
+  moon.position.y = THREE.MathUtils.lerp(-100, 100, nightAlpha);
+
+  // --- DAY/NIGHT CYCLE LOGIC END ---
+
   if (gamePhase === "INSTRUCTIONS") {
     instructionTimer -= delta;
     if (instructionTimer <= 0) gamePhase = "PLAYING";
     return;
   }
 
-  // Increase speed over time, but cap it at MAX_SPEED
   if (currentSpeed < CONFIG.MAX_SPEED) {
     currentSpeed += CONFIG.ACCELERATION * delta;
   }
@@ -423,8 +471,19 @@ function update() {
   const moveStep = currentSpeed * delta;
   score += Math.floor(currentSpeed / 40);
 
-  attentiveness -= 0.05;
-  // --- NEW: Trigger game over if hearts run out or attention hits zero ---
+  if (cloudGroup) {
+    // Moving at 40% speed (moveStep * 0.4) creates a nice parallax depth
+    cloudGroup.children.forEach(cloud => {
+      cloud.position.z += moveStep * 0.4; 
+
+      // Reset cloud position if it goes too far behind the camera
+      if (cloud.position.z > 50) {
+        cloud.position.z = -250;
+        cloud.position.x = (Math.random() - 0.5) * 280; // Randomize X again for variety
+      }
+    });
+  }
+
   if (lives <= 0) triggerGameOver();
 
   CHUNKS.forEach(chunk => {
@@ -438,7 +497,11 @@ function update() {
   if (isJumping) {
     jumpV -= CONFIG.grav;
     playerY += jumpV;
-    if (playerY <= 0) { playerY = 0; isJumping = false; if (!isDying) swapCharacter("Running.glb"); }
+    if (playerY <= 0) { 
+      playerY = 0; 
+      isJumping = false; 
+      if (!isDying) swapCharacter("Running.glb"); 
+    }
   }
   playerAnchor.position.y = playerY;
 
@@ -448,21 +511,20 @@ function update() {
     return obj;
   }).filter(obj => {
     const active = obj.mesh.position.z < 25;
-    if (!active) { 
-      scene.remove(obj.mesh); 
-      attentiveness = Math.min(100, attentiveness + 2); 
-    }
+    if (!active) scene.remove(obj.mesh);
     return active;
   });
 
-  // --- ROBUST SPAWN LOGIC ---
-  spawnDistanceTracker += moveStep; 
+  // Normal Obstacle Spawning
+  spawnDistanceTracker += moveStep;
   if (spawnDistanceTracker >= SPAWN_INTERVAL) {
     spawn();
-    spawnDistanceTracker = 0; // Reset the tracker
+    spawnDistanceTracker = 0;
+  
   }
 }
 
+
 function triggerGameOver() {
   isPlaying = false; gameOver = true; isDying = true; hitFlash = true;
   hasSubmitted = false; // Allow a new submission for this game over
@@ -481,7 +543,7 @@ async function startGame() {
   worldObjects = [];
   targets = [];
   spawnDistanceTracker = 0;
-  score = 0; attentiveness = 100; isPlaying = true; gameOver = false; startScreen = false; lives = 5; // Reset lives
+  score = 0; isPlaying = true; gameOver = false; startScreen = false; lives = 5; // Reset lives
   gamePhase = "INSTRUCTIONS"; instructionTimer = 3;
   lane = 0; currX = 0; isJumping = false; jumpV = 0; playerY = 0; isDying = false;
   CHUNKS.forEach((chunk, i) => { chunk.position.z = -i * CHUNK_SIZE; });
@@ -493,10 +555,10 @@ const handleKeyDown = (e) => {
   const actions = {
     ArrowLeft: () => lane > -2 && lane--, a: () => lane > -2 && lane--, A: () => lane > -2 && lane--,
     ArrowRight: () => lane < 2 && lane++, d: () => lane < 2 && lane++, D: () => lane < 2 && lane++,
-    " ": () => !isJumping && (isJumping = true, jumpV = CONFIG.jump, swapCharacter("Jumping.glb")),
-    ArrowUp: () => !isJumping && (isJumping = true, jumpV = CONFIG.jump, swapCharacter("Jumping.glb")),
-    w: () => !isJumping && (isJumping = true, jumpV = CONFIG.jump, swapCharacter("Jumping.glb")),
-    W: () => !isJumping && (isJumping = true, jumpV = CONFIG.jump, swapCharacter("Jumping.glb"))
+    " ": () => !isJumping && (isJumping = true, jumpV = CONFIG.jump, swapCharacter("Jump.glb")),
+    ArrowUp: () => !isJumping && (isJumping = true, jumpV = CONFIG.jump, swapCharacter("Jump.glb")),
+    w: () => !isJumping && (isJumping = true, jumpV = CONFIG.jump, swapCharacter("Jump.glb")),
+    W: () => !isJumping && (isJumping = true, jumpV = CONFIG.jump, swapCharacter("Jump.glb"))
   };
   actions[e.key]?.();
 };
@@ -525,7 +587,7 @@ onMount(() => {
     
     {#if hitFlash} <div class="flash"></div> {/if}
 
-    <!-- 1. NEW TOP-RIGHT LEADERBOARD -->
+    <!-- TOP-RIGHT LEADERBOARD  -->
     <div class="side-hud">
       <div class="leaderboard-view">
         <h3>TOP RUNNERS</h3>
@@ -584,9 +646,7 @@ onMount(() => {
   .p5-hud { position: absolute; top: 0; left: 0; pointer-events: auto; z-index: 10; width: 100%; height: 100%; }
   .ui { position: absolute; inset: 0; pointer-events: none; color: white; text-align: center; font-family: 'Segoe UI', sans-serif; z-index: 11 }
   .score { font-size: 2.5rem; margin-top: 60px; font-weight: 800; text-shadow: 0 4px 10px rgba(0,0,0,0.2); }
-  
   .modal { pointer-events: auto; background: rgba(255, 255, 255, 0.98); padding: 40px; border-radius: 30px; margin-top: 5vh; color: #1e2b21; display: inline-block; box-shadow: 0 25px 60px rgba(0,0,0,0.15); width: 320px; }
-  
   .leaderboard-entry { margin: 20px 0; }
   input { width: 80%; padding: 12px; border: 2px solid #eee; border-radius: 10px; font-family: inherit; font-weight: bold; text-align: center; margin-bottom: 10px; }
   
diff --git a/src/cool.svelte b/src/cool.svelte
index b27d57f..9d328ca 100644
--- a/src/cool.svelte
+++ b/src/cool.svelte
@@ -1,285 +1,651 @@
 <script>
-//@ts-nocheck
-import { onMount, onDestroy } from "svelte";
+// @ts-nocheck
+import LandingPage from './LandingPage.svelte';
+import { onMount, tick } from "svelte";
 import * as THREE from "three";
+import p5 from "p5";
 import { GLTFLoader } from "three/examples/jsm/loaders/GLTFLoader.js";
+import { clone as cloneSkeleton } from "three/examples/jsm/utils/SkeletonUtils.js";
 
-const CONFIG = {
-    lane: 2.5,
-    jump: 0.35,
-    grav: 0.015,
-    speed: 0.3
+let showLanding = true;
+let lastTime = performance.now();
+
+// --- LEADERBOARD STATE ---
+let leaderboard = [];
+let playerName = "";
+let hasSubmitted = false;
+
+async function handleStart() {
+  showLanding = false;
+  // Wait for Svelte to render the #wrapper and canvas
+  await tick();
+  
+  init();
+  p5Instance = new p5(sketch, p5Container);
+  
+  // Start the game logic
+  startGame();
+  
+  // Start the render loop
+  const loop = () => { 
+    animationFrame = requestAnimationFrame(loop); 
+    update(); 
+    if (renderer && scene && camera) {
+      renderer.render(scene, camera); 
+    }
+  };
+  loop();
+}
+
+// --- LEADERBOARD LOGIC ---
+function saveScore() {
+  if (hasSubmitted) return;
+  
+  const name = playerName.trim() || "Anonymous";
+  let currentBoard = JSON.parse(localStorage.getItem("neuro_leaderboard") || "[]");
+
+  // Check if this player already has a record (case-insensitive)
+  const existingIndex = currentBoard.findIndex(
+    entry => entry.name.toLowerCase() === name.toLowerCase()
+  );
+
+  if (existingIndex !== -1) {
+    // Only update if the new score is actually higher
+    if (score > currentBoard[existingIndex].score) {
+      currentBoard[existingIndex].score = score;
+    }
+  } else {
+    // New player, just add them
+    currentBoard.push({ name: name, score: score });
+  }
+
+  // Sort by highest score first and keep only top 5
+  currentBoard.sort((a, b) => b.score - a.score);
+  currentBoard = currentBoard.slice(0, 5); 
+  
+  localStorage.setItem("neuro_leaderboard", JSON.stringify(currentBoard));
+  leaderboard = currentBoard;
+  hasSubmitted = true;
+  playerName = ""; // Reset for next time
+}
+
+function loadLeaderboard() {
+  leaderboard = JSON.parse(localStorage.getItem("neuro_leaderboard") || "[]");
+}
+
+const CONFIG = { 
+  lane: 2.5, 
+  jump: 0.35, 
+  grav: 0.015, 
+  playerScale: 1.7,
+  START_SPEED: 45,   // Initial slow speed
+  MAX_SPEED: 95,     // The "chaos" threshold
+  ACCELERATION: 1  // Speed added per second
 };
 
-// UI State
+let currentSpeed = CONFIG.START_SPEED;
 let score = 0, isPlaying = false, gameOver = false, startScreen = true;
-let hitFlash = false;
-
-// Physics/Logic State
+let attentiveness = 100;
+let lives = 5;
 let lane = 0, currX = 0, isJumping = false, jumpV = 0, playerY = 0;
-let isDying = false;
-let shake = 0;
-let fade = 1;
+let container, canvas, scene, camera, renderer, p5Container;
+let worldObjects = [], animationFrame, p5Instance;
+let isDying = false, hitFlash = false;
 
-let container, canvas, scene, camera, renderer;
-let worldObjects = [];
-let resizeObserver;
+let spawnDistanceTracker = 0;
+const SPAWN_INTERVAL = 40; // Physical distance between obstacles
 
-// Character Refs
-let playerGroup, mixer, currentAction, animations = [];
-let clock = new THREE.Clock();
+// 2D Game Logic
+let gamePhase = "START"; 
+let instructionTimer = 3;
+let targetType = "STRAWBERRY"; 
+let targets = [];
 
-function playAnimation(name, loop = true) {
-    if (!mixer || !animations.length) return;
-    const clip = animations.find(a => a.name === name);
-    if (!clip) return;
+let playerAnchor, currentModel = null, currentMixer = null, swapToken = 0;
+let CHUNKS = [];
+const CHUNK_COUNT = 3;
+const CHUNK_SIZE = 140; 
 
-    const newAction = mixer.clipAction(clip);
-    if (currentAction === newAction) return;
+let uTime = { value: 0 };
+const loader = new GLTFLoader();
+const glbCache = new Map();
 
-    if (currentAction) currentAction.fadeOut(0.2);
+let textures = {};
 
-    newAction.reset()
-        .setEffectiveTimeScale(1)
-        .setEffectiveWeight(1)
-        .fadeIn(0.2)
-        .play();
+const sketch = (p) => {
+  // --- FOOLPROOF IMAGE LOADER ---
+  p.setup = async () => {
+    const w = container?.clientWidth || p.windowWidth;
+    const h = container?.clientHeight || p.windowHeight;
+    p.createCanvas(w, h);
 
-    newAction.setLoop(loop ? THREE.LoopRepeat : THREE.LoopOnce);
-    newAction.clampWhenFinished = !loop;
-    currentAction = newAction;
+    const loadImg = (path) => new Promise(resolve => {
+      p.loadImage(path, img => resolve(img), () => resolve(null));
+    });
+
+    textures.STRAWBERRY = await loadImg('strawberry.png');
+    textures.BANANA = await loadImg('banana.png');
+    textures.BLUEBERRY = await loadImg('blubb.png');
+  };
+
+  const drawHeart = (x, y, size, active) => {
+      p.push();
+      p.noStroke();
+      // Use red if active, grey if dead
+      p.fill(active ? [255, 50, 50] : [100, 100, 100, 150]);
+      const s = size / 5;
+      p.rect(x + s, y, s, s); p.rect(x + 3 * s, y, s, s);
+      p.rect(x, y + s, 5 * s, s);
+      p.rect(x, y + 2 * s, 5 * s, s);
+      p.rect(x + s, y + 3 * s, 3 * s, s);
+      p.rect(x + 2 * s, y + 4 * s, s, s);
+      p.pop();
+    };
+
+  p.draw = () => {
+    p.clear();
+    if (!isPlaying) return;
+    if (gamePhase === "INSTRUCTIONS") {
+      p.fill(0, 200); // Darken background
+      p.rect(0, 0, p.width, p.height);
+      
+      p.fill(255);
+      p.textAlign(p.CENTER);
+      p.textFont('Segoe UI');
+      p.textStyle(p.BOLD);
+      
+      // The Mission Text
+      p.textSize(28);
+      p.text(`MISSION: COLLECT`, p.width / 2, p.height / 2 - 100);
+      
+      // Draw the target icon to collect
+      const targetImg = textures[targetType];
+      if (targetImg) {
+        p.imageMode(p.CENTER);
+        p.image(targetImg, p.width / 2, p.height / 2 - 20, 80, 80);
+      }
+      
+      p.textSize(32);
+      p.fill(0, 255, 200); // Cyan color for the target name
+      p.text(targetType, p.width / 2, p.height / 2 + 60);
+      
+      // Countdown
+      p.fill(255);
+      p.textSize(80);
+      p.text(Math.ceil(instructionTimer), p.width / 2, p.height / 2 + 160);
+      return;
+    }
+    // --- RENDER HEARTS ---
+    for (let i = 0; i < 5; i++) { // Always run 5 times
+      drawHeart(20 + (i * 35), 20, 25, i < lives);
+    }
+
+
+    if (p.random(1) < 0.004) {
+      const types = ["STRAWBERRY", "BANANA", "BLUEBERRY"];
+      targets.push({
+        x: p.random(p.width * 0.2, p.width * 0.8),
+        y: -50,
+        type: types[p.floor(p.random(types.length))],
+        speed: p.random(1.5, 3),
+        rot: 0
+      });
+    }
+    
+    // --- RENDER IMAGES ---
+    for (let i = targets.length - 1; i >= 0; i--) {
+      let t = targets[i];
+      t.y += t.speed;
+      t.rot += 0.02;
+
+      p.push();
+      p.translate(t.x, t.y);
+      p.rotate(t.rot);
+      p.imageMode(p.CENTER);
+
+      // Check if the texture exists before trying to draw it
+      const img = textures[t.type];
+      if (img) {
+        // Draw the image. Scale it to 40x40 pixels (adjust as needed)
+        p.image(img, 0, 0, 60, 60);
+      } else {
+        // Fallback: draw a small circle if image fails to load
+        p.fill(255);
+        p.ellipse(0, 0, 10);
+      }
+      p.pop();
+
+      if (t.y > p.height + 50) {
+        // If the one we missed was the target, lose a life
+        if (t.type === targetType && lives > 0) {
+          lives--;
+        }
+        targets.splice(i, 1);
+      }
+    }
+
+    // --- 2D HAMMER ---
+    p.push();
+    p.translate(p.mouseX, p.mouseY);
+    p.rotate(-0.4);
+    p.fill(120, 80, 50); p.noStroke();
+    p.rect(-5, 0, 10, 40, 2);
+    p.fill(100);
+    p.rect(-20, -10, 40, 20, 4);
+    p.pop();
+  };
+
+  p.mousePressed = () => {
+    if (gamePhase !== "PLAYING") return;
+    for (let i = targets.length - 1; i >= 0; i--) {
+      let t = targets[i];
+      if (p.dist(p.mouseX, p.mouseY, t.x, t.y) < 40) {
+        if (t.type === targetType) {
+          score += 100;
+        } else {
+          if (lives > 0) lives--;
+        }
+        targets.splice(i, 1);
+        break;
+      }
+    }
+  };
+};
+
+const grassVertex = `
+  varying vec2 vUv;
+  uniform float uTime;
+  void main() {
+    vUv = uv;
+    vec3 pos = position;
+    float sway = sin(uTime * 2.0 + (instanceMatrix[3][0] * 0.5) + (instanceMatrix[3][2] * 0.5)) * 0.15 * uv.y;
+    pos.x += sway;
+    gl_Position = projectionMatrix * modelViewMatrix * instanceMatrix * vec4(pos, 1.0);
+  }
+`;
+
+const grassFragment = `
+  varying vec2 vUv;
+  void main() {
+    gl_FragColor = vec4(mix(vec3(0.12, 0.28, 0.18), vec3(0.5, 0.72, 0.4), vUv.y), 1.0);
+  }
+`;
+
+
+const createClouds = (group) => {
+  const cloudMaterial = new THREE.MeshLambertMaterial({ color: 0xffffff, transparent: true, opacity: 0.8 });
+  const thickness = 2; 
+  for (let i = 0; i < 20; i++) {
+    const w = 10 + Math.random() * 20;
+    const d = 10 + Math.random() * 20;
+    const cloud = new THREE.Mesh(new THREE.BoxGeometry(w, thickness, d), cloudMaterial);
+    cloud.position.set((Math.random() - 0.5) * 280, 35, (Math.random() - 0.5) * 300);
+    group.add(cloud);
+  }
+};
+
+const createWorldChunk = (zOffset) => {
+  const group = new THREE.Group();
+  group.position.z = zOffset;
+  const floor = new THREE.Mesh(new THREE.PlaneGeometry(160, CHUNK_SIZE + 0.1), new THREE.MeshStandardMaterial({ color: 0x1e2b21 }));
+  floor.rotation.x = -Math.PI / 2;
+  group.add(floor);
+
+  const count = 7000;
+  const geo = new THREE.PlaneGeometry(0.4, 0.9, 1, 2);
+  geo.translate(0, 0.45, 0);
+  const mat = new THREE.ShaderMaterial({
+    uniforms: { uTime }, vertexShader: grassVertex, fragmentShader: grassFragment,
+    side: THREE.DoubleSide, alphaToCoverage: true
+  });
+  const mesh = new THREE.InstancedMesh(geo, mat, count);
+  const dummy = new THREE.Object3D();
+  for(let i=0; i<count; i++) {
+    let x = (Math.random() - 0.5) * 120;
+    if (x > -10 && x < 10) x += (x > 0) ? 10 : -10;
+    dummy.position.set(x, 0, (Math.random() - 0.5) * CHUNK_SIZE);
+    dummy.rotation.y = Math.random() * Math.PI;
+    dummy.scale.setScalar(0.7 + Math.random() * 1.6);
+    dummy.updateMatrix();
+    mesh.setMatrixAt(i, dummy.matrix);
+  }
+  group.add(mesh);
+  return group;
+};
+
+async function getCachedGLTF(file) {
+  if (!glbCache.has(file)) glbCache.set(file, await loader.loadAsync(file));
+  return glbCache.get(file);
+}
+
+async function swapCharacter(file, isDeathAnimation = false) {
+  const myToken = ++swapToken;
+  const source = await getCachedGLTF(file);
+  if (myToken !== swapToken) return;
+  const model = cloneSkeleton(source.scene);
+  model.scale.setScalar(CONFIG.playerScale);
+  model.rotation.y = Math.PI;
+  const mixer = new THREE.AnimationMixer(model);
+  if (source.animations?.length) {
+    const action = mixer.clipAction(source.animations[0]);
+    if (isDeathAnimation) { action.setLoop(THREE.LoopOnce, 1); action.clampWhenFinished = true; }
+    action.play();
+  }
+  if (currentModel) playerAnchor.remove(currentModel);
+  currentModel = model; currentMixer = mixer;
+  playerAnchor.add(currentModel);
 }
 
 function init() {
-    scene = new THREE.Scene();
-    camera = new THREE.PerspectiveCamera(60, 1, 0.1, 1000);
-    camera.position.set(0, 5, 10);
-    camera.lookAt(0, 0, -5);
+  if (!canvas || !container) return; // Safety check
+  scene = new THREE.Scene();
+  const skyColor = 0x87CEFA;
+  scene.background = new THREE.Color(skyColor);
+  scene.fog = new THREE.Fog(skyColor, 150, 350);
+  
+  camera = new THREE.PerspectiveCamera(60, container.clientWidth / container.clientHeight, 0.1, 1000);
+  camera.position.set(0, 4.5, 13); 
+  camera.lookAt(0, 1, -5);
+  
+  renderer = new THREE.WebGLRenderer({ canvas, antialias: true });
+  renderer.setPixelRatio(Math.min(window.devicePixelRatio, 1.5));
+  renderer.setSize(container.clientWidth, container.clientHeight);
 
-    renderer = new THREE.WebGLRenderer({ canvas, antialias: true });
-    renderer.setPixelRatio(window.devicePixelRatio);
+  const lights = [
+    new THREE.AmbientLight(0xffffff, 1.8),
+    new THREE.DirectionalLight(0xffffff, 1.2)
+  ];
+  lights[1].position.set(0, 50, 0);
+  scene.add(...lights);
 
-    scene.add(new THREE.AmbientLight(0xffffff, 0.5));
-    const sun = new THREE.DirectionalLight(0x00FFD1, 1.2);
-    sun.position.set(5, 10, 7);
-    scene.add(sun);
+  const cloudGroup = new THREE.Group();
+  createClouds(cloudGroup);
+  scene.add(cloudGroup);
 
-    const floorGeo = new THREE.PlaneGeometry(100, 2000);
-    const floor = new THREE.Mesh(floorGeo, new THREE.MeshStandardMaterial({ color: 0x0a0a0a, roughness: 0.2, metalness: 0.5 }));
-    floor.rotation.x = -Math.PI / 2;
-    scene.add(floor);
+  CHUNKS = Array.from({ length: CHUNK_COUNT }).map((_, i) => {
+    const chunk = createWorldChunk(-i * CHUNK_SIZE);
+    scene.add(chunk);
+    return chunk;
+  });
 
-    const loader = new GLTFLoader();
-    // Using the RobotExpressive model from your logic reference
-    loader.load('https://threejs.org/examples/models/gltf/RobotExpressive/RobotExpressive.glb', (gltf) => {
-        const model = gltf.scene;
-        model.scale.set(0.4, 0.4, 0.4);
-        model.rotation.y = Math.PI;
+  playerAnchor = new THREE.Group();
+  scene.add(playerAnchor);
 
-        playerGroup = new THREE.Group();
-        playerGroup.add(model);
-        scene.add(playerGroup);
-
-        animations = gltf.animations;
-        mixer = new THREE.AnimationMixer(model);
-        playAnimation('Running');
-    });
-
-    resizeObserver = new ResizeObserver(() => {
-        const { width, height } = container.getBoundingClientRect();
-        renderer.setSize(width, height);
-        camera.aspect = width / height;
-        camera.updateProjectionMatrix();
-    });
-    resizeObserver.observe(container);
+  const ro = new ResizeObserver(() => {
+    if (!container || !renderer) return;
+    const { width, height } = container.getBoundingClientRect();
+    renderer.setSize(width, height);
+    camera.aspect = width / height;
+    camera.updateProjectionMatrix();
+  });
+  ro.observe(container);
 }
 
+async function spawn() {
+  const l = Math.floor(Math.random() * 5) - 2;
+  const source = await getCachedGLTF("Simple computer.glb");
+  const model = cloneSkeleton(source.scene);
+  const pivot = new THREE.Group();
+  pivot.position.set(l * CONFIG.lane, 0, -130);
+  model.position.set(0, 0.6, 0); 
+  model.rotation.y = Math.PI;    
+  model.scale.setScalar(5.5); 
+  pivot.add(model);
+  scene.add(pivot);
+  worldObjects = [...worldObjects, { mesh: pivot, lane: l }];
+}
+
+
 function update() {
-    const delta = clock.getDelta();
-    if (mixer) mixer.update(delta);
+  const now = performance.now();
+  const delta = (now - lastTime) / 1000;
+  lastTime = now;
 
-    // 1. Camera Shake Logic
-    if (shake > 0) {
-        shake -= 0.05;
-        camera.position.x = (Math.random() - 0.5) * shake;
-        camera.position.y = 5 + (Math.random() - 0.5) * shake;
-    } else {
-        camera.position.x = 0;
-        camera.position.y = 5;
+  uTime.value += delta;
+  if (currentMixer) currentMixer.update(delta);
+  if (!isPlaying) return;
+
+  if (gamePhase === "INSTRUCTIONS") {
+    instructionTimer -= delta;
+    if (instructionTimer <= 0) gamePhase = "PLAYING";
+    return;
+  }
+
+  if (currentSpeed < CONFIG.MAX_SPEED) {
+    currentSpeed += CONFIG.ACCELERATION * delta;
+  }
+
+  const moveStep = currentSpeed * delta;
+  score += Math.floor(currentSpeed / 40);
+
+  if (lives <= 0) triggerGameOver();
+
+  CHUNKS.forEach(chunk => {
+    chunk.position.z += moveStep;
+    if (chunk.position.z > CHUNK_SIZE) chunk.position.z -= CHUNK_SIZE * CHUNK_COUNT;
+  });
+
+  currX += (lane * CONFIG.lane - currX) * 0.18;
+  playerAnchor.position.x = currX;
+
+  if (isJumping) {
+    jumpV -= CONFIG.grav;
+    playerY += jumpV;
+    if (playerY <= 0) { 
+      playerY = 0; 
+      isJumping = false; 
+      if (!isDying) swapCharacter("Running.glb"); 
     }
+  }
+  playerAnchor.position.y = playerY;
 
-    // 2. Death Fade Logic
-    if (isDying && fade > 0) {
-        fade -= 0.005;
-        playerGroup?.traverse((child) => {
-            if (child.isMesh) {
-                child.material.transparent = true;
-                child.material.opacity = fade;
-            }
-        });
+  worldObjects = worldObjects.map(obj => {
+    obj.mesh.position.z += moveStep;
+    if (Math.abs(obj.mesh.position.z) < 1.5 && obj.lane === lane && playerY < 1.5) triggerGameOver();
+    return obj;
+    /*
+     if (Math.abs(obj.mesh.position.z) < 1.5 && obj.lane === lane && playerY < 1.5) {
+        lives--;
+        hitFlash = true;
+        setTimeout(() => hitFlash = false, 150);
+        // Remove hit object to prevent multi-hits
+        scene.remove(obj.mesh);
+        return null;
     }
+    return obj; 
+     */
+  }).filter(obj => {
+    const active = obj.mesh.position.z < 25;
+    if (!active) scene.remove(obj.mesh);
+    return active;
+  });
 
-    // Stop physics if not playing or dying
-    if (!isPlaying || isDying || gameOver) return;
-
-    score++;
-
-    // Smooth movement
-    currX += (lane * CONFIG.lane - currX) * 0.15;
-    if (playerGroup) playerGroup.position.x = currX;
-
-    // Jump Physics
-    if (isJumping) {
-        jumpV -= CONFIG.grav;
-        playerY += jumpV;
-        if (playerY <= 0) {
-            playerY = 0;
-            isJumping = false;
-        }
-        if (playerGroup) playerGroup.position.y = playerY;
-    }
-
-    // Obstacles & Collision
-    worldObjects = worldObjects.map(obj => {
-        obj.mesh.position.z += CONFIG.speed;
-
-        if (Math.abs(obj.mesh.position.z) < 0.8 && obj.lane === lane && playerY < 1) {
-            // --- TRIGGER DEATH SEQUENCE ---
-            isDying = true;
-            shake = 0.5;
-            hitFlash = true;
-            playAnimation('Death', false);
-            
-            setTimeout(() => { hitFlash = false; }, 150);
-
-            setTimeout(() => {
-                isPlaying = false;
-                gameOver = true;
-            }, 3000);
-        }
-        return obj;
-    }).filter(obj => {
-        const keep = obj.mesh.position.z <= 15;
-        if (!keep) scene.remove(obj.mesh);
-        return keep;
-    });
-
-    if (score % 30 === 0) spawn();
+  // Normal Obstacle Spawning
+  spawnDistanceTracker += moveStep;
+  if (spawnDistanceTracker >= SPAWN_INTERVAL) {
+    spawn();
+    spawnDistanceTracker = 0;
+  
+  }
 }
 
-function spawn() {
-    const l = Math.floor(Math.random() * 5) - 2;
-    const mesh = new THREE.Mesh(
-        new THREE.BoxGeometry(1.5, 1.5, 1.5),
-        new THREE.MeshStandardMaterial({ 
-            color: 0xFF0055, 
-            emissive: 0xFF0055, 
-            emissiveIntensity: 0.5 
-        })
-    );
-    mesh.position.set(l * CONFIG.lane, 0.75, -100);
-    scene.add(mesh);
-    worldObjects.push({ mesh, lane: l });
+
+function triggerGameOver() {
+  isPlaying = false; gameOver = true; isDying = true; hitFlash = true;
+  hasSubmitted = false; // Allow a new submission for this game over
+  loadLeaderboard();    // Refresh board to show latest rankings
+  swapCharacter("Falling Back Death.glb", true); 
+  setTimeout(() => hitFlash = false, 150);
 }
 
-function startGame() {
-    worldObjects.forEach(obj => scene.remove(obj.mesh));
-    worldObjects = [];
-
-    score = 0; lane = 0; playerY = 0; currX = 0;
-    isJumping = false; isDying = false; gameOver = false;
-    fade = 1; shake = 0; startScreen = false; isPlaying = true;
-
-    if (playerGroup) {
-        playerGroup.position.set(0, 0, 0);
-        playerGroup.traverse(child => {
-            if (child.isMesh) child.material.opacity = 1;
-        });
-        playAnimation('Running');
-    }
+async function startGame() {
+  if (!scene) return;
+  currentSpeed = CONFIG.START_SPEED;
+  // Choose a random target type for this mission
+  const types = ["STRAWBERRY", "BANANA", "BLUEBERRY"];
+  targetType = types[Math.floor(Math.random() * types.length)];
+  worldObjects.forEach(obj => scene.remove(obj.mesh));
+  worldObjects = [];
+  targets = [];
+  spawnDistanceTracker = 0;
+  score = 0; isPlaying = true; gameOver = false; startScreen = false; lives = 5; // Reset lives
+  gamePhase = "INSTRUCTIONS"; instructionTimer = 3;
+  lane = 0; currX = 0; isJumping = false; jumpV = 0; playerY = 0; isDying = false;
+  CHUNKS.forEach((chunk, i) => { chunk.position.z = -i * CHUNK_SIZE; });
+  await swapCharacter("Running.glb");
 }
 
+const handleKeyDown = (e) => {
+  if (!isPlaying || isDying) return;
+  const actions = {
+    ArrowLeft: () => lane > -2 && lane--, a: () => lane > -2 && lane--, A: () => lane > -2 && lane--,
+    ArrowRight: () => lane < 2 && lane++, d: () => lane < 2 && lane++, D: () => lane < 2 && lane++,
+    " ": () => !isJumping && (isJumping = true, jumpV = CONFIG.jump, swapCharacter("Jumping.glb")),
+    ArrowUp: () => !isJumping && (isJumping = true, jumpV = CONFIG.jump, swapCharacter("Jumping.glb")),
+    w: () => !isJumping && (isJumping = true, jumpV = CONFIG.jump, swapCharacter("Jumping.glb")),
+    W: () => !isJumping && (isJumping = true, jumpV = CONFIG.jump, swapCharacter("Jumping.glb"))
+  };
+  actions[e.key]?.();
+};
+
 onMount(() => {
-    init();
-    const loop = () => {
-        requestAnimationFrame(loop);
-        update();
-        renderer.render(scene, camera);
-    };
-    loop();
-
-    window.addEventListener("keydown", (e) => {
-        if (!isPlaying || isDying) return;
-        if (e.key === "ArrowLeft" && lane > -2) lane--;
-        if (e.key === "ArrowRight" && lane < 2) lane++;
-        if ((e.key === " " || e.key === "ArrowUp") && !isJumping) {
-            isJumping = true;
-            jumpV = CONFIG.jump;
-            playAnimation('Jump', false);
-            // Switch back to running after jump time (approx 800ms)
-            setTimeout(() => { if(!isDying) playAnimation('Running'); }, 800);
-        }
-    });
+  loadLeaderboard();
+  window.addEventListener("keydown", handleKeyDown);
+  return () => { 
+    cancelAnimationFrame(animationFrame); 
+    window.removeEventListener("keydown", handleKeyDown);
+    if (p5Instance) p5Instance.remove();
+    if (renderer) renderer.dispose();
+  };
 });
-
-onDestroy(() => resizeObserver?.disconnect());
 </script>
 
-<style>
-  :global(body, html) { margin: 0; padding: 0; height: 100%; overflow: hidden; background: #050505; }
-  #wrapper { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
-  canvas { width: 100% !important; height: 100% !important; display: block; }
-  
-  .flash { position: absolute; inset: 0; background: white; z-index: 100; pointer-events: none; }
-
-  .ui { position: absolute; inset: 0; pointer-events: none; color: white; text-align: center; font-family: sans-serif; z-index: 50; }
-  
-  .modal { 
-    pointer-events: auto; 
-    background: rgba(0,0,0,0.95); 
-    padding: 60px; 
-    border: 1px solid #FF0055; 
-    box-shadow: 0 0 50px rgba(255, 0, 85, 0.2);
-    margin-top: 10vh;
-  }
-
-  .score-hud { font-size: 5rem; font-weight: 900; color: #00FFD1; margin-top: 20px; font-style: italic; }
-
-  button { 
-    padding: 20px 60px; 
-    background: #FF0055; 
-    border: none; 
-    cursor: pointer; 
-    font-weight: 900; 
-    color: white; 
-    text-transform: uppercase; 
-    font-style: italic;
-    font-size: 1.5rem;
-  }
-</style>
-
-<div id="wrapper" bind:this={container}>
-  <canvas bind:this={canvas}></canvas>
-
-  {#if hitFlash}
-    <div class="flash"></div>
-  {/if}
-
-  <div class="ui">
-    {#if isPlaying && !gameOver}
-        <div class="score-hud">{score}</div>
-    {/if}
+{#if showLanding}
+  <LandingPage onStart={handleStart} />
+{:else}
+  <div id="wrapper" bind:this={container}>
+    <!-- The 3D Game World -->
+    <canvas bind:this={canvas}></canvas>
     
-    {#if startScreen || gameOver}
-      <div class="modal">
-        <h1 style="font-size: 4rem; font-style: italic; font-weight: 900;">
-            {gameOver ? 'SYSTEM FAILURE' : 'CYBER RUN'}
-        </h1>
-        <p style="letter-spacing: 5px; opacity: 0.6; margin-bottom: 40px;">
-            {gameOver ? 'FINAL SCORE: ' + score : 'NEURAL LINK READY'}
-        </p>
-        <button on:click={startGame}>{gameOver ? 'RE-INITIATE' : 'START SIMULATION'}</button>
+    <!-- The 2D P5.js Overlay (Hearts, Hammer, Fruit) -->
+    <div class="p5-hud" bind:this={p5Container}></div> 
+    
+    {#if hitFlash} <div class="flash"></div> {/if}
+
+    <!-- TOP-RIGHT LEADERBOARD  -->
+    <div class="side-hud">
+      <div class="leaderboard-view">
+        <h3>TOP RUNNERS</h3>
+        <ul>
+          {#if leaderboard.length > 0}
+            {#each leaderboard as entry, i}
+              <li>
+                <span>{i + 1}. {entry.name}</span> 
+                <span>{entry.score}</span>
+              </li>
+            {/each}
+          {:else}
+            <li style="opacity: 0.5; justify-content: center;">No scores yet</li>
+          {/if}
+        </ul>
       </div>
-    {/if}
+    </div>
+
+    <!-- 2. GAME UI OVERLAY -->
+    <div class="ui">
+      <!-- Live Score -->
+      <div class="score">{score}</div>
+
+      <!-- Game Over Modal -->
+      {#if gameOver}
+        <div class="modal">
+          <h1>YOU LOST</h1>
+          <p>Final Score: <strong>{score}</strong></p>
+          
+          <!-- Only show the save input if they haven't submitted yet -->
+          {#if !hasSubmitted}
+            <div class="leaderboard-entry">
+              <input 
+                type="text" 
+                bind:value={playerName} 
+                placeholder="ENTER NAME" 
+                maxlength="10" 
+              />
+              <button class="save-btn" on:click={saveScore}>SAVE TO BOARD</button>
+            </div>
+          {:else}
+            <p class="saved-msg">SCORE SAVED!</p>
+          {/if}
+          
+          <button class="retry-btn" on:click={startGame}>PLAY AGAIN</button>
+        </div>
+      {/if}
+    </div>
   </div>
-</div>
\ No newline at end of file
+{/if}
+
+<style>
+  :global(body, html) { margin: 0; padding: 0; height: 100%; overflow: hidden; background: #8cd0f8; cursor: none; }
+  #wrapper { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; width: 100vw; height: 100vh; }
+  canvas { width: 100% !important; height: 100% !important; display: block; }
+  .p5-hud { position: absolute; top: 0; left: 0; pointer-events: auto; z-index: 10; width: 100%; height: 100%; }
+  .ui { position: absolute; inset: 0; pointer-events: none; color: white; text-align: center; font-family: 'Segoe UI', sans-serif; z-index: 11 }
+  .score { font-size: 2.5rem; margin-top: 60px; font-weight: 800; text-shadow: 0 4px 10px rgba(0,0,0,0.2); }
+  
+  .modal { pointer-events: auto; background: rgba(255, 255, 255, 0.98); padding: 40px; border-radius: 30px; margin-top: 5vh; color: #1e2b21; display: inline-block; box-shadow: 0 25px 60px rgba(0,0,0,0.15); width: 320px; }
+  
+  .leaderboard-entry { margin: 20px 0; }
+  input { width: 80%; padding: 12px; border: 2px solid #eee; border-radius: 10px; font-family: inherit; font-weight: bold; text-align: center; margin-bottom: 10px; }
+  
+  /* New Sidebar Container */
+  .side-hud { 
+    position: absolute; 
+    top: 20px; 
+    right: 20px; 
+    width: 220px; 
+    z-index: 15; 
+    pointer-events: none; /* Let clicks pass through to the game if needed */
+  }
+
+  /* Updated Leaderboard View */
+  .leaderboard-view { 
+    background: rgba(255, 255, 255, 0.2); 
+    backdrop-filter: blur(10px); 
+    border: 1px solid rgba(255,255,255,0.3); 
+    border-radius: 15px; 
+    padding: 15px; 
+    text-align: left; 
+    color: white; 
+    box-shadow: 0 8px 32px rgba(0,0,0,0.1); 
+  }
+
+  /* Ensure buttons and inputs still work */
+  input, button {
+    pointer-events: auto; 
+  }
+  .leaderboard-view h3 { 
+    margin-top: 0; 
+    text-align: center; 
+    font-size: 0.8rem; 
+    letter-spacing: 2px; 
+    color: #00d2ff; /* Change color to cyan to match your theme */
+    text-transform: uppercase;
+  }
+  
+  li { 
+    display: flex; 
+    justify-content: space-between; 
+    padding: 5px 0; 
+    border-bottom: 1px solid rgba(255,255,255,0.1); /* Lighter border */
+    font-weight: bold; 
+    font-size: 0.9rem; 
+  }
+  ul { list-style: none; padding: 0; margin: 0; }
+
+  button { width: 100%; padding: 15px; border: none; border-radius: 12px; cursor: pointer; font-weight: bold; font-size: 1rem; transition: all 0.2s; }
+  .save-btn { background: #00d2ff; color: white; margin-bottom: 5px; }
+  .retry-btn { background: #1e2b21; color: white; margin-top: 10px; }
+  button:hover { transform: translateY(-2px); filter: brightness(1.1); }
+  
+  .flash { position: absolute; inset: 0; background: white; z-index: 20; pointer-events: none; }
+</style>
\ No newline at end of file