@keyframes floatUp {
    0% {
        transform: translateY(100vh) scale(0.5);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-20vh) scale(1.2) rotate(20deg);
        opacity: 0;
    }
}

.heart-bg {
    position: absolute;
    bottom: -10%;
    animation-name: floatUp;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}