window.onload = function () {
    const coin = document.getElementById("coin");
    const result = coin.dataset.result;

    // Delay so users see the flip
    setTimeout(() => {
        if (result === "H") {
            coin.style.transform = "rotateY(1080deg)";
        } else {
            coin.style.transform = "rotateY(1260deg)";
        }
    }, 300);
};