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about.js
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89 lines (77 loc) · 3.06 KB
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// Mobile menu toggle
const mobileMenuBtn = document.getElementById('mobileMenuBtn');
const navLinks = document.getElementById('navLinks');
mobileMenuBtn.addEventListener('click', () => {
navLinks.classList.toggle('active');
mobileMenuBtn.textContent = navLinks.classList.contains('active') ? '✕' : '☰';
});
// Navbar scroll effect
const navbar = document.getElementById('navbar');
window.addEventListener('scroll', () => {
if (window.scrollY > 100) {
navbar.classList.add('scrolled');
} else {
navbar.classList.remove('scrolled');
}
});
// Intersection Observer for fade-in animations
const observerOptions = {
threshold: 0.1,
rootMargin: '0px 0px -50px 0px'
};
const observer = new IntersectionObserver((entries) => {
entries.forEach(entry => {
if (entry.isIntersecting) {
entry.target.classList.add('visible');
}
});
}, observerOptions);
// Observe all fade-in-up elements
document.querySelectorAll('.fade-in-up').forEach(el => {
observer.observe(el);
});
// Smooth scrolling for navigation links
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
anchor.addEventListener('click', function (e) {
e.preventDefault();
const target = document.querySelector(this.getAttribute('href'));
if (target) {
target.scrollIntoView({
behavior: 'smooth',
block: 'start'
});
// Close mobile menu if open
navLinks.classList.remove('active');
mobileMenuBtn.textContent = '☰';
}
});
});
// Add loading animation
window.addEventListener('load', () => {
document.body.style.opacity = '1';
});
// Add parallax effect to hero section
window.addEventListener('scroll', () => {
const scrolled = window.pageYOffset;
const hero = document.querySelector('.hero');
const rate = scrolled * -0.5;
if (hero) {
hero.style.transform = `translateY(${rate}px)`;
}
});
// Add typing effect to hero title (optional)
const heroTitle = document.querySelector('.hero h2');
if (heroTitle) {
const text = heroTitle.textContent;
heroTitle.textContent = '';
let i = 0;
setTimeout(() => {
const typeInterval = setInterval(() => {
heroTitle.textContent += text.charAt(i);
i++;
if (i >= text.length) {
clearInterval(typeInterval);
}
}, 100);
}, 1000);
}