Enhance homepage animations and fix visual glitches
Refactor CSS and JavaScript to implement advanced GSAP animations, resolve image overlay issues, and ensure sponsor visibility. Replit-Commit-Author: Agent Replit-Commit-Session-Id: f13f685e-aa76-4721-bd29-73edf2f9795d Replit-Commit-Checkpoint-Type: full_checkpoint Replit-Commit-Event-Id: c95103aa-b9ba-4a37-8cab-7bb946a4dee9 Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/705de26f-a3c1-41e6-845d-88f96627134c/f13f685e-aa76-4721-bd29-73edf2f9795d/2yHlFNO Replit-Helium-Checkpoint-Created: true
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ka-official
315
js/home-animations.js
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315
js/home-animations.js
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/* =====================================================
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TSCB — Homepage GSAP Masterpiece
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Linked ONLY in index.html | v1.0
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===================================================== */
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(function () {
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'use strict';
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/* Guard: only run when there is a hero section */
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if (!document.querySelector('.hero')) return;
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/* Register GSAP plugins (safe to call multiple times) */
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gsap.registerPlugin(ScrollTrigger);
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/* ====================================================
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1. HERO — ORBS ENTRANCE + MOUSE PARALLAX
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==================================================== */
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/* Orbs drift in after preloader */
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gsap.from('.hero-orb-1', {
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scale: 0.2, opacity: 0, duration: 2.8,
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ease: 'power3.out', delay: 0.85
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});
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gsap.from('.hero-orb-2', {
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scale: 0.2, opacity: 0, duration: 3.2,
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ease: 'power3.out', delay: 1.0
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});
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gsap.from('.hero-orb-3', {
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scale: 0.2, opacity: 0, duration: 2.2,
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ease: 'power3.out', delay: 1.3
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});
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/* Orb glow pulse after preloader (subtle depth feel) */
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gsap.to('.hero-orb-1', {
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opacity: 0.85, scale: 1.08,
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duration: 3, ease: 'sine.inOut',
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yoyo: true, repeat: -1, delay: 1.8
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});
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/* Orb scroll parallax */
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ScrollTrigger.create({
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trigger: '.hero',
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start: 'top top',
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end: 'bottom top',
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scrub: 1.8,
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onUpdate: function (self) {
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var p = self.progress;
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gsap.set('.hero-orb-1', { y: p * -130, x: p * 45 });
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gsap.set('.hero-orb-2', { y: p * -90, x: p * -35 });
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gsap.set('.hero-orb-3', { y: p * -60, rotate: p * 50 });
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}
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});
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/* Hero mouse parallax — orbs follow the cursor */
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var heroEl = document.querySelector('.hero');
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heroEl.addEventListener('mousemove', function (e) {
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var rect = heroEl.getBoundingClientRect();
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var xR = (e.clientX - rect.left) / rect.width - 0.5;
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var yR = (e.clientY - rect.top) / rect.height - 0.5;
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gsap.to('.hero-orb-1', { x: xR * 55, y: yR * 35, duration: 1.8, ease: 'power2.out', overwrite: 'auto' });
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gsap.to('.hero-orb-2', { x: xR * -40, y: yR * -25, duration: 2.0, ease: 'power2.out', overwrite: 'auto' });
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gsap.to('.hero-orb-3', { x: xR * 25, y: yR * 18, duration: 1.4, ease: 'power2.out', overwrite: 'auto' });
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});
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/* ====================================================
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2. COUNTER SECTION — 3-STAGE DRAMATIC ENTRANCE
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(counter-item has no .wow class — safe to animate)
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==================================================== */
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var counterSection = document.querySelector('.our-counter');
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if (counterSection) {
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/* Stage 1 — the whole box scales in */
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gsap.from('.counter-box', {
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scrollTrigger: { trigger: '.our-counter', start: 'top 78%', once: true },
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scale: 0.88, opacity: 0, borderRadius: '40px',
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duration: 1.2, ease: 'power4.out',
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immediateRender: false
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});
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/* Stage 2 — individual items slide up with stagger */
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gsap.from('.counter-item', {
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scrollTrigger: { trigger: '.our-counter', start: 'top 78%', once: true },
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y: 60, opacity: 0,
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duration: 0.85, stagger: 0.18, delay: 0.25,
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ease: 'back.out(1.6)',
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immediateRender: false
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});
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/* Stage 3 — counter h2 numbers pop with elastic */
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gsap.from('.counter-title h2', {
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scrollTrigger: { trigger: '.our-counter', start: 'top 78%', once: true },
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scale: 0.4, opacity: 0,
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duration: 1.1, stagger: 0.2, delay: 0.55,
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ease: 'elastic.out(1.1, 0.52)',
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immediateRender: false
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});
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/* Counter hover — h2 magnify */
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document.querySelectorAll('.counter-item').forEach(function (item) {
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item.addEventListener('mouseenter', function () {
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gsap.to(item.querySelector('.counter-title h2'), {
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scale: 1.12, color: '#d92800',
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duration: 0.35, ease: 'back.out(2)'
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});
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});
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item.addEventListener('mouseleave', function () {
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gsap.to(item.querySelector('.counter-title h2'), {
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scale: 1, color: '',
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duration: 0.5, ease: 'power2.out'
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});
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});
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});
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}
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/* ====================================================
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3. MISSION IMAGE — SCROLL PARALLAX
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(the reveal animation in function.js still runs)
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==================================================== */
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gsap.to('.mission-img', {
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scrollTrigger: {
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trigger: '.our-mission',
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start: 'top bottom',
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end: 'bottom top',
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scrub: 1.8
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},
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y: -60, ease: 'none'
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});
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gsap.to('.mission-life-circle', {
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scrollTrigger: {
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trigger: '.our-mission',
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start: 'top bottom',
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end: 'bottom top',
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scrub: 2.5
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},
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y: -95, rotate: 35, ease: 'none'
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});
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/* ====================================================
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4. SERVICE TICKER — FADE IN + SUBTLE SCALE
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==================================================== */
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gsap.from('.service-ticker', {
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scrollTrigger: { trigger: '.service-ticker', start: 'top 92%', once: true },
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opacity: 0, scaleY: 0.6,
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transformOrigin: 'center center',
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duration: 0.7, ease: 'back.out(2)',
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immediateRender: false
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});
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/* ====================================================
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5. SERVICE CARDS — 3D TILT ON HOVER
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(entrance handled by WOW.js — we layer on tilt only)
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==================================================== */
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document.querySelectorAll('.service-item').forEach(function (card) {
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card.style.transformStyle = 'preserve-3d';
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card.addEventListener('mousemove', function (e) {
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var rect = card.getBoundingClientRect();
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var rotX = ((e.clientY - rect.top - rect.height / 2) / (rect.height / 2)) * -10;
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var rotY = ((e.clientX - rect.left - rect.width / 2) / (rect.width / 2)) * 10;
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gsap.to(card, {
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rotationX: rotX, rotationY: rotY,
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transformPerspective: 700,
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duration: 0.35, ease: 'power2.out', overwrite: 'auto'
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});
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});
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card.addEventListener('mouseleave', function () {
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gsap.to(card, {
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rotationX: 0, rotationY: 0,
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duration: 0.75, ease: 'elastic.out(1, 0.45)', overwrite: 'auto'
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});
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});
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});
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/* ====================================================
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6. SPONSORS — GUARANTEED VISIBILITY
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Two-trigger system: ScrollTrigger + load-time check
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gsap.set() owns initial state (no CSS opacity:0 ever)
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==================================================== */
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var sponsorItems = document.querySelectorAll('.sponsor-logo-item');
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if (sponsorItems.length) {
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/* Immediately set invisible via GSAP — no CSS conflict */
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gsap.set(sponsorItems, { opacity: 0, y: 60, scale: 0.78, rotationY: 15 });
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var sponsorsPlayed = false;
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function playSponsors() {
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if (sponsorsPlayed) return;
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sponsorsPlayed = true;
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gsap.to(sponsorItems, {
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opacity: 1, y: 0, scale: 1, rotationY: 0,
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duration: 0.9, stagger: 0.22,
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ease: 'back.out(1.8)',
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clearProps: 'rotationY'
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});
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}
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/* Trigger 1: normal scroll */
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ScrollTrigger.create({
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trigger: '.our-sponsors-section',
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start: 'top 88%',
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once: true,
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onEnter: playSponsors
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});
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/* Trigger 2: already visible when page finishes loading */
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window.addEventListener('load', function () {
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setTimeout(function () {
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var sec = document.querySelector('.our-sponsors-section');
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if (!sec) return;
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var rect = sec.getBoundingClientRect();
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if (rect.top < window.innerHeight * 0.92) {
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playSponsors();
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}
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}, 980);
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});
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/* 3D tilt on hover — works after animation completes */
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sponsorItems.forEach(function (card) {
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card.style.transformStyle = 'preserve-3d';
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card.addEventListener('mousemove', function (e) {
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var rect = card.getBoundingClientRect();
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var rotX = ((e.clientY - rect.top - rect.height / 2) / (rect.height / 2)) * -8;
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var rotY = ((e.clientX - rect.left - rect.width / 2) / (rect.width / 2)) * 8;
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gsap.to(card, {
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rotationX: rotX, rotationY: rotY,
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transformPerspective: 500,
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duration: 0.3, ease: 'power2.out', overwrite: 'auto'
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});
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});
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card.addEventListener('mouseleave', function () {
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gsap.to(card, {
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rotationX: 0, rotationY: 0,
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duration: 0.65, ease: 'elastic.out(1, 0.45)', overwrite: 'auto'
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});
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});
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});
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}
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/* ====================================================
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7. CTA BOX — SPLIT ENTRANCE
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(cta-box-btn has .wow — we animate cta-box-content only)
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==================================================== */
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gsap.from('.cta-box-content', {
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scrollTrigger: { trigger: '.cta-box', start: 'top 82%', once: true },
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x: -70, opacity: 0,
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duration: 1.1, ease: 'power4.out',
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immediateRender: false
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});
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/* ====================================================
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8. GLOBAL SCROLL PROGRESS + SECTION FLASH
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Brief red flash on the progress bar when entering a section
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==================================================== */
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var sectionFlashSections = document.querySelectorAll('.our-counter, .our-services, .our-sponsors-section, .cta-box');
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sectionFlashSections.forEach(function (sec) {
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ScrollTrigger.create({
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trigger: sec,
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start: 'top 60%',
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once: true,
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onEnter: function () {
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var bar = document.getElementById('tscb-progress');
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if (!bar) return;
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gsap.fromTo(bar, { boxShadow: '0 0 0 0 rgba(217,40,0,0)' },
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{ boxShadow: '0 0 18px 4px rgba(217,40,0,0.7)', duration: 0.3, yoyo: true, repeat: 1, ease: 'power2.inOut' });
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}
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});
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});
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/* ====================================================
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9. ABOUT-LIST ICON BOXES — STAGGER SPIN-IN
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(icons inside .about-list-item — no .wow class on the icon)
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==================================================== */
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gsap.from('#home-about .about-list-item .icon-box', {
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scrollTrigger: { trigger: '#home-about .about-content-body', start: 'top 82%', once: true },
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scale: 0, rotate: -180, opacity: 0,
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duration: 0.75, stagger: 0.2, delay: 0.15,
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ease: 'back.out(2)',
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immediateRender: false
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});
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/* ====================================================
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10. SCROLL-TRIGGERED BACKGROUND GRADIENT SHIFT
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on the hero as user scrolls away
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==================================================== */
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ScrollTrigger.create({
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trigger: '.hero',
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start: 'top top',
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end: 'bottom top',
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scrub: 1,
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onUpdate: function (self) {
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heroEl.style.filter = 'brightness(' + (1 - self.progress * 0.18) + ')';
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}
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});
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/* ====================================================
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FINALIZE: refresh ScrollTrigger after full load
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(handles lazy images and font layout shifts)
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==================================================== */
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window.addEventListener('load', function () {
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setTimeout(function () {
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ScrollTrigger.refresh();
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}, 300);
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});
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})();
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