/* Steam Animation */
.steam-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
}

.steam {
    position: absolute;
    bottom: -20%;
    left: 50%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.4) 0%, transparent 70%);
    filter: blur(40px);
    opacity: 0;
    border-radius: 50%;
    transform: translateX(-50%);
    animation: steam-rise 8s infinite ease-out;
}

.steam-1 {
    width: 200px;
    height: 200px;
    left: 30%;
    animation-delay: 0s;
    animation-duration: 7s;
}

.steam-2 {
    width: 250px;
    height: 250px;
    left: 50%;
    animation-delay: 2s;
    animation-duration: 9s;
}

.steam-3 {
    width: 180px;
    height: 180px;
    left: 70%;
    animation-delay: 4s;
    animation-duration: 6s;
}

.steam-4 {
    width: 300px;
    height: 300px;
    left: 40%;
    animation-delay: 1.5s;
    animation-duration: 8s;
}

@keyframes steam-rise {
    0% {
        transform: translate(-50%, 0) scale(0.5);
        opacity: 0;
    }

    30% {
        opacity: 0.5;
        /* Slightly visible */
    }

    50% {
        transform: translate(-40%, -40%) scale(1);
        opacity: 0.3;
    }

    100% {
        transform: translate(-60%, -100%) scale(1.5);
        opacity: 0;
    }
}