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270
devbox-front/script.js
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270
devbox-front/script.js
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document.addEventListener('DOMContentLoaded', function() {
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const emailForm = document.getElementById('emailForm');
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const successMessage = document.getElementById('successMessage');
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const API_BASE_URL = 'http://localhost:8080'; // Backend API URL
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emailForm.addEventListener('submit', function(e) {
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e.preventDefault();
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const emailInput = document.getElementById('email');
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const email = emailInput.value.trim();
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// Basic email validation
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if (!isValidEmail(email)) {
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showError('Please enter a valid email address');
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return;
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}
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// Submit email to backend
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submitEmail(email);
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});
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function isValidEmail(email) {
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const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
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return emailRegex.test(email);
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}
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function submitEmail(email) {
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// Show loading state
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const submitBtn = document.querySelector('.submit-btn');
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const originalText = submitBtn.textContent;
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submitBtn.textContent = 'Joining...';
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submitBtn.disabled = true;
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submitBtn.classList.add('loading');
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// Send to backend
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fetch(`${API_BASE_URL}/api/subscribe`, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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},
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body: JSON.stringify({
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email: email,
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source: 'devbox-landing'
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})
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})
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.then(response => response.json())
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.then(data => {
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if (data.success) {
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// Hide form and show success message
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emailForm.style.display = 'none';
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successMessage.classList.add('show');
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console.log('DevBox waitlist email submitted:', email);
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// Optional: Track the successful signup
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trackEmailSignup(email);
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} else {
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// Show error message
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showError(data.message || 'Email already subscribed or invalid.');
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// Reset button
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resetSubmitButton(submitBtn, originalText);
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}
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})
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.catch((error) => {
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console.error('Error:', error);
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showError('Network error. Please check your connection and try again.');
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// Reset button
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resetSubmitButton(submitBtn, originalText);
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});
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}
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function resetSubmitButton(submitBtn, originalText) {
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submitBtn.textContent = originalText;
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submitBtn.disabled = false;
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submitBtn.classList.remove('loading');
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}
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function showError(message) {
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// Remove existing error messages
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const existingError = document.querySelector('.error-message');
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if (existingError) {
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existingError.remove();
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}
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// Create and show error message
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const errorDiv = document.createElement('div');
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errorDiv.className = 'error-message';
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errorDiv.style.cssText = `
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background: #ef4444;
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color: white;
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padding: 1rem 1.5rem;
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border-radius: 8px;
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margin-top: 1rem;
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font-size: 0.9rem;
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border: 1px solid #dc2626;
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box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
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animation: slideDown 0.3s ease;
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`;
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errorDiv.textContent = message;
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emailForm.appendChild(errorDiv);
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// Remove error after 5 seconds
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setTimeout(() => {
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if (errorDiv.parentNode) {
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errorDiv.style.animation = 'slideUp 0.3s ease';
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setTimeout(() => {
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errorDiv.remove();
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}, 300);
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}
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}, 5000);
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}
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function trackEmailSignup(email) {
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// Optional: Add analytics tracking here
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// Example: Google Analytics, Mixpanel, etc.
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console.log(`📧 Email signup tracked: ${email} at ${new Date().toISOString()}`);
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// You could also send additional tracking data to your backend
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// or third-party analytics services here
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}
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// Add smooth scrolling for any anchor links
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document.querySelectorAll('a[href^="#"]').forEach(anchor => {
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anchor.addEventListener('click', function (e) {
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e.preventDefault();
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const target = document.querySelector(this.getAttribute('href'));
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if (target) {
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target.scrollIntoView({
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behavior: 'smooth'
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});
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}
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});
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});
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// Add subtle animation to feature cards on scroll (Intersection Observer)
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const observerOptions = {
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threshold: 0.1,
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rootMargin: '0px 0px -50px 0px'
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};
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const observer = new IntersectionObserver((entries) => {
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entries.forEach(entry => {
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if (entry.isIntersecting) {
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entry.target.style.opacity = '1';
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entry.target.style.transform = 'translateY(0)';
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}
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});
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}, observerOptions);
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// Observe feature items for animation
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document.querySelectorAll('.feature-item').forEach(item => {
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// Set initial state
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item.style.opacity = '0';
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item.style.transform = 'translateY(20px)';
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item.style.transition = 'opacity 0.6s ease, transform 0.6s ease';
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// Start observing
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observer.observe(item);
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});
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// Add keyboard accessibility
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document.addEventListener('keydown', function(e) {
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// Close error messages with Escape key
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if (e.key === 'Escape') {
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const errorMessage = document.querySelector('.error-message');
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if (errorMessage) {
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errorMessage.remove();
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}
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}
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});
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// Form validation enhancements
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const emailInput = document.getElementById('email');
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emailInput.addEventListener('input', function() {
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// Remove error styling when user starts typing
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const errorMessage = document.querySelector('.error-message');
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if (errorMessage) {
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errorMessage.style.opacity = '0.5';
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}
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// Real-time validation feedback
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if (this.value.length > 0) {
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if (isValidEmail(this.value)) {
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this.style.borderColor = '#10b981';
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this.style.boxShadow = '0 0 0 1px rgba(16, 185, 129, 0.2)';
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} else {
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this.style.borderColor = '#ef4444';
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this.style.boxShadow = '0 0 0 1px rgba(239, 68, 68, 0.2)';
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}
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} else {
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// Reset to default styling
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this.style.borderColor = '';
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this.style.boxShadow = '';
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}
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});
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// Add focus states for better accessibility
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emailInput.addEventListener('focus', function() {
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this.parentElement.style.boxShadow = '0 0 0 3px rgba(50, 108, 229, 0.1)';
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});
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emailInput.addEventListener('blur', function() {
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this.parentElement.style.boxShadow = '';
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// Reset border styling
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this.style.borderColor = '';
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this.style.boxShadow = '';
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});
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// Simple analytics: track page engagement
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let startTime = Date.now();
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let maxScroll = 0;
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window.addEventListener('scroll', function() {
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const scrollPercent = (window.scrollY / (document.body.scrollHeight - window.innerHeight)) * 100;
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maxScroll = Math.max(maxScroll, scrollPercent);
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});
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window.addEventListener('beforeunload', function() {
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const timeOnPage = Math.round((Date.now() - startTime) / 1000);
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console.log(`📊 Session stats: ${timeOnPage}s on page, ${Math.round(maxScroll)}% max scroll`);
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// You could send this data to your analytics endpoint
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// fetch('/api/analytics', { method: 'POST', body: JSON.stringify({ timeOnPage, maxScroll }) });
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});
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// Add some visual polish: animate elements on load
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setTimeout(() => {
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document.body.classList.add('loaded');
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}, 100);
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console.log('🚀 DevBox landing page initialized');
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console.log(`📡 API endpoint: ${API_BASE_URL}`);
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});
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// Add CSS animations via JavaScript (if not in CSS file)
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const style = document.createElement('style');
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style.textContent = `
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@keyframes slideDown {
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from {
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opacity: 0;
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transform: translateY(-10px);
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}
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to {
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opacity: 1;
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transform: translateY(0);
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}
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}
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@keyframes slideUp {
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from {
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opacity: 1;
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transform: translateY(0);
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}
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to {
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opacity: 0;
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transform: translateY(-10px);
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}
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}
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body {
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opacity: 0;
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transition: opacity 0.3s ease;
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}
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body.loaded {
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opacity: 1;
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}
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`;
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document.head.appendChild(style);
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