#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(248, 249, 250, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.preloader-content::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    filter: blur(20px);
    z-index: -1;
}

.preloader-content {
    text-align: center;
    position: relative;
}

.logo-spinner {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
}

.spinner {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 3px solid transparent;
    border-top-color: #0088CC;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner:before {
    content: '';
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border: 3px solid transparent;
    border-top-color: #4D4D4D;
    border-radius: 50%;
    animation: spin 2s linear infinite;
    box-shadow: 0 0 15px rgba(0, 136, 204, 0.2);
}

.preloader-logo {
    position: relative;
    width: 120px;
    height: auto;
    margin: 15px;
}

.loading-text {
    color: #4D4D4D;
    font-size: 14px;
    font-family: 'Raleway', sans-serif;
    letter-spacing: 2px;
    margin-top: 15px;
    animation: blink 1.5s infinite;
}

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

@keyframes blink {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}