// Contagem regressiva function updateCountdown() { const now = new Date(); const target = new Date(); target.setDate(now.getDate() + 2); target.setHours(23, 59, 59, 0); const diff = target - now; const hours = Math.floor(diff / (1000 * 60 * 60)); const minutes = Math.floor((diff % (1000 * 60 * 60)) / (1000 * 60)); const seconds = Math.floor((diff % (1000 * 60)) / 1000); document.getElementById('countdown').innerHTML = `${hours}h ${minutes}m ${seconds}s`; } setInterval(updateCountdown, 1000); updateCountdown();