script.js

// Modal functionality
function openModal(modalId) {
    document.getElementById(modalId).style.display = 'block';
    document.body.style.overflow = 'hidden';
}

function closeModal(modalId) {
    document.getElementById(modalId).style.display = 'none';
    document.body.style.overflow = 'auto';
}

// Close modal when clicking outside
window.onclick = function(event) {
    const modals = document.getElementsByClassName('modal');
    for (let modal of modals) {
        if (event.target == modal) {
            modal.style.display = 'none';
            document.body.style.overflow = 'auto';
        }
    }
}

// Close modal with Escape key
document.addEventListener('keydown', function(event) {
    if (event.key === 'Escape') {
        const modals = document.getElementsByClassName('modal');
        for (let modal of modals) {
            modal.style.display = 'none';
            document.body.style.overflow = 'auto';
        }
    }
});

// Mobile navigation
const hamburger = document.querySelector('.hamburger');
const navMenu = document.querySelector('.nav-menu');

hamburger.addEventListener('click', () => {
    hamburger.classList.toggle('active');
    navMenu.classList.toggle('active');
});

// Close mobile menu when clicking on a link
document.querySelectorAll('.nav-link').forEach(n => n.addEventListener('click', () => {
    hamburger.classList.remove('active');
    navMenu.classList.remove('active');
}));

// 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'
            });
        }
    });
});

// Add scroll effect to navbar
window.addEventListener('scroll', () => {
    const navbar = document.querySelector('.navbar');
    if (window.scrollY > 100) {
        navbar.style.background = 'rgba(255, 255, 255, 0.98)';
        navbar.style.boxShadow = '0 2px 20px rgba(0,0,0,0.1)';
    } else {
        navbar.style.background = 'rgba(255, 255, 255, 0.95)';
        navbar.style.boxShadow = 'none';
    }
});

// Add animation on scroll
const observerOptions = {
    threshold: 0.1,
    rootMargin: '0px 0px -50px 0px'
};

const observer = new IntersectionObserver((entries) => {
    entries.forEach(entry => {
        if (entry.isIntersecting) {
            entry.target.style.opacity = '1';
            entry.target.style.transform = 'translateY(0)';
        }
    });
}, observerOptions);

// Observe elements for animation
document.addEventListener('DOMContentLoaded', () => {
    const animateElements = document.querySelectorAll('.skill-category, .education-item, .internship-item');
    animateElements.forEach(element => {
        element.style.opacity = '0';
        element.style.transform = 'translateY(20px)';
        element.style.transition = 'opacity 0.6s ease, transform 0.6s ease';
        observer.observe(element);
    });
});