const seconds = document.querySelector(".seconds .number"),
  minutes = document.querySelector(".minutes .number"),
  hours = document.querySelector(".hours .number"),
  days = document.querySelector(".days .number");

// Set launch date: 15 May 2025 at 00:00 IST
const launchDateIST = new Date("2025-08-15T00:00:00+05:30");

const updateCountdown = () => {
  // Get current time in IST
  const nowUTC = new Date();
  const nowIST = new Date(nowUTC.toLocaleString("en-US", { timeZone: "Asia/Kolkata" }));

  const timeDiff = launchDateIST - nowIST;

  if (timeDiff <= 0) {
    // Timer expired
    clearInterval(timer);
    seconds.textContent = "00";
    minutes.textContent = "00";
    hours.textContent = "00";
    days.textContent = "00";
    return;
  }

  // Time calculations
  const totalSeconds = Math.floor(timeDiff / 1000);
  const d = Math.floor(totalSeconds / (60 * 60 * 24));
  const h = Math.floor((totalSeconds % (60 * 60 * 24)) / (60 * 60));
  const m = Math.floor((totalSeconds % (60 * 60)) / 60);
  const s = totalSeconds % 60;

  // Display values with leading zero
  days.textContent = d < 10 ? `0${d}` : d;
  hours.textContent = h < 10 ? `0${h}` : h;
  minutes.textContent = m < 10 ? `0${m}` : m;
  seconds.textContent = s < 10 ? `0${s}` : s;
};

const timer = setInterval(updateCountdown, 1000);
updateCountdown(); // Initial call