// Smooth scrolling
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'
            });
        }
    });
});

// Mobile menu toggle
const menuToggle = document.querySelector('.menu-toggle');
const navLinks = document.querySelector('.nav-links');
let menuOpen = false;

menuToggle?.addEventListener('click', () => {
    menuOpen = !menuOpen;
    if (menuOpen) {
        navLinks.style.display = 'flex';
        navLinks.style.position = 'absolute';
        navLinks.style.top = '100%';
        navLinks.style.left = '0';
        navLinks.style.right = '0';
        navLinks.style.background = 'rgba(0, 0, 0, 0.98)';
        navLinks.style.flexDirection = 'column';
        navLinks.style.padding = '1rem';
        navLinks.style.borderTop = '2px solid #E8A625';

        // Animate menu toggle
        menuToggle.children[0].style.transform = 'rotate(45deg) translateY(8px)';
        menuToggle.children[1].style.opacity = '0';
        menuToggle.children[2].style.transform = 'rotate(-45deg) translateY(-8px)';
    } else {
        navLinks.style.display = 'none';

        // Reset menu toggle
        menuToggle.children[0].style.transform = '';
        menuToggle.children[1].style.opacity = '1';
        menuToggle.children[2].style.transform = '';
    }
});

// Close mobile menu when clicking outside
document.addEventListener('click', (e) => {
    if (menuOpen && !menuToggle.contains(e.target) && !navLinks.contains(e.target)) {
        menuOpen = false;
        navLinks.style.display = 'none';
        menuToggle.children[0].style.transform = '';
        menuToggle.children[1].style.opacity = '1';
        menuToggle.children[2].style.transform = '';
    }
});

// Scroll animations
const observerOptions = {
    threshold: 0.15,
    rootMargin: '0px 0px -50px 0px'
};

const observer = new IntersectionObserver((entries) => {
    entries.forEach(entry => {
        if (entry.isIntersecting) {
            entry.target.classList.add('animate-in');
            observer.unobserve(entry.target);
        }
    });
}, observerOptions);

// Observe all cards
document.querySelectorAll('.service-card, .project-card, .value-card, .partner-card').forEach(el => {
    el.classList.add('fade-in-element');
    observer.observe(el);
});

// Navbar scroll effect
let lastScroll = 0;
const nav = document.querySelector('nav');

window.addEventListener('scroll', () => {
    const currentScroll = window.pageYOffset;

    if (currentScroll > 100) {
        nav.style.background = 'rgba(0, 0, 0, 0.98)';
        nav.style.boxShadow = '0 2px 20px rgba(232, 166, 37, 0.3)';
    } else {
        nav.style.background = 'rgba(0, 0, 0, 0.95)';
        nav.style.boxShadow = '';
    }

    // Hide/show navbar on scroll
    if (currentScroll > lastScroll && currentScroll > 500) {
        nav.style.transform = 'translateY(-100%)';
    } else {
        nav.style.transform = 'translateY(0)';
    }

    lastScroll = currentScroll;
});

// Network animation enhancement
function createNetworkLine() {
    const nodes = document.querySelectorAll('.node');
    const networkBg = document.querySelector('.network-bg');

    if (nodes.length > 1 && networkBg) {
        for (let i = 0; i < nodes.length - 1; i++) {
            const line = document.createElement('div');
            line.style.position = 'absolute';
            line.style.height = '1px';
            line.style.background = 'linear-gradient(90deg, transparent, #E8A625, transparent)';
            line.style.opacity = '0.2';
            line.style.animation = `pulse 4s infinite ${i * 0.5}s`;

            const node1 = nodes[i];
            const node2 = nodes[i + 1];

            // Calculate line position and angle
            const x1 = parseFloat(node1.style.left);
            const y1 = parseFloat(node1.style.top);
            const x2 = parseFloat(node2.style.left);
            const y2 = parseFloat(node2.style.top);

            const distance = Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2));
            const angle = Math.atan2(y2 - y1, x2 - x1) * 180 / Math.PI;

            line.style.width = distance + '%';
            line.style.left = x1 + '%';
            line.style.top = y1 + '%';
            line.style.transform = `rotate(${angle}deg)`;
            line.style.transformOrigin = '0 0';

            networkBg.appendChild(line);
        }
    }
}

// Initialize network lines
createNetworkLine();

// Dynamic typing effect for hero subtitle
const subtitle = document.querySelector('.hero-subtitle');
if (subtitle) {
    const text = subtitle.textContent;
    subtitle.textContent = '';
    let index = 0;

    function typeWriter() {
        if (index < text.length) {
            subtitle.textContent += text.charAt(index);
            index++;
            setTimeout(typeWriter, 100);
        }
    }

    setTimeout(typeWriter, 800);
}

// Add hover effect to project cards with tilt
document.querySelectorAll('.project-card, .service-card').forEach(card => {
    card.addEventListener('mousemove', (e) => {
        const rect = card.getBoundingClientRect();
        const x = e.clientX - rect.left;
        const y = e.clientY - rect.top;

        const centerX = rect.width / 2;
        const centerY = rect.height / 2;

        const rotateX = (y - centerY) / 20;
        const rotateY = (centerX - x) / 20;

        card.style.transform = `perspective(1000px) rotateX(${rotateX}deg) rotateY(${rotateY}deg) translateY(-5px)`;
    });

    card.addEventListener('mouseleave', () => {
        card.style.transform = '';
    });
});

// Easter egg: Konami code
const konamiCode = ['ArrowUp', 'ArrowUp', 'ArrowDown', 'ArrowDown', 'ArrowLeft', 'ArrowRight', 'ArrowLeft', 'ArrowRight', 'b', 'a'];
let konamiIndex = 0;

document.addEventListener('keydown', (e) => {
    if (e.key === konamiCode[konamiIndex]) {
        konamiIndex++;
        if (konamiIndex === konamiCode.length) {
            document.body.style.animation = 'pulse 1s';
            setTimeout(() => {
                alert('🎮 Félicitations! Vous avez trouvé le code secret! Bienvenue dans la résistance numérique!');
                document.body.style.animation = '';
            }, 1000);
            konamiIndex = 0;
        }
    } else {
        konamiIndex = 0;
    }
});

// Progressive enhancement: Add loading states
// Disabled - not needed for external links
// document.querySelectorAll('.service-link, .project-card').forEach(link => {
//     link.addEventListener('click', function(e) {
//         if (this.href && this.href !== '#') {
//             this.style.opacity = '0.6';
//             this.innerHTML += ' ⌛';
//         }
//     });
// });

// Custom donation handler
function handleCustomDonation(type) {
    const input = document.getElementById(type === 'oneTime' ? 'customAmountOneTime' : 'customAmountMonthly');
    const amount = input.value;

    if (!amount || amount < 1) {
        alert('Veuillez entrer un montant valide');
        return;
    }

    // Redirect to custom amount Stripe URL
    const stripeUrl = type === 'oneTime'
        ? 'https://don.o-k-i.net/b/6oE2aO94P88X9u8eV4'  // Custom one-time donation
        : 'https://don.o-k-i.net/b/6oE2aO94P88X9u8eV4';  // Uses same link for custom amounts

    window.location.href = stripeUrl;
}