// Invite code validation
function validateInviteCode(code) {
    // This is a placeholder - in a real app, you'd validate against a database
    return code.length === 6 && /^[A-Z0-9]+$/.test(code);
}

// Phone number validation for Saudi numbers
function validateSaudiPhoneNumber(phone) {
    return /^05\d{8}$/.test(phone);
}

// Password strength validation
function validatePasswordStrength(password) {
    return password.length >= 8 && /[A-Z]/.test(password) && /[0-9]/.test(password);
}

// Smooth scrolling for anchor links
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
    anchor.addEventListener('click', function (e) {
        e.preventDefault();
        document.querySelector(this.getAttribute('href')).scrollIntoView({
            behavior: 'smooth'
        });
    });
});
// Generate random username
function generateUsername() {
    const adjectives = ['شبح', 'سري', 'مجهول', 'خفيف', 'ظل', 'ليل', 'غامض'];
    const nouns = ['محارب', 'قناص', 'شخص', 'زائر', 'مستكشف', 'راوي'];
    return `${adjectives[Math.floor(Math.random() * adjectives.length)]}-${nouns[Math.floor(Math.random() * nouns.length)]}`;
}

// Animation on scroll
const animateOnScroll = () => {
    const elements = document.querySelectorAll('.feature-card, .testimonial');
elements.forEach(element => {
        const elementPosition = element.getBoundingClientRect().top;
        const screenPosition = window.innerHeight / 1.3;
        
        if (elementPosition < screenPosition) {
            element.style.opacity = '1';
            element.style.transform = 'translateY(0)';
        }
    });
};

// Set initial state for animation
document.querySelectorAll('.feature-card, .testimonial').forEach(element => {
    element.style.opacity = '0';
    element.style.transform = 'translateY(20px)';
    element.style.transition = 'all 0.5s ease';
});

window.addEventListener('scroll', animateOnScroll);
window.addEventListener('load', animateOnScroll);