.celebration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    overflow: hidden;
    animation: fadeOut 1s ease-in-out 9s forwards;
}

.hidden {
    display: none;
}

.message-box {
    text-align: center;
    font-family: 'Georgia', serif;
}

.balloons {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 10;
}

.balloon {
    width: 40px;
    height: 60px;
    border-radius: 50%;
    position: absolute;
    bottom: -100px;
    opacity: 0.9;
    animation: float 8s infinite ease-in-out;
}

.balloon.gold {
    background: #d4af37;
    box-shadow: 0 0 10px #d4af37;
}

.balloon.olive {
    background: #556b2f;
    box-shadow: 0 0 10px #556b2f;
}

@keyframes float {
    0% {
        transform: translateY(0);
        opacity: 1;
    }

    100% {
        transform: translateY(-120vh);
        opacity: 0;
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        visibility: hidden;
    }
}