.preloader{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.loader {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(#FF4566, #a86cd7, #897AFF);
    animation: animate 1s linear infinite;
}

@keyframes animate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loader span {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(#FF4566, #a86cd7, #897AFF);
}

.loader span:nth-child(1) {
    filter: blur(5px);
}

.loader span:nth-child(2) {
    filter: blur(10px);
}

.loader::after {
    content: "";
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    background: #162434;
    border-radius: 50%;
    opacity:0.5;
}