/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-logo {
    width: 100px;
    height: auto;
    animation: preloaderPulse 1.5s ease-in-out infinite alternate;
}

@keyframes preloaderPulse {
    from {
        opacity: 0.7;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1.05);
    }
}