body {
    font-family: Arial, sans-serif;
}

/* Popup overlay */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.popup-content {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: #fff;
    width: 400px;
    border-radius: 30px;
    padding: 20px;
    text-align: center;
    position: relative;
    transition: transform 8.5 ease, box-shadow 0.5s ease;
    transform-style: preserve-3d; cursor: pointer;
}
.popup-content:hover {
    transform: perspective(1000px) rotateX(1deg) rotateY(1deg) ;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.popup-header h2 {
    margin: 10px 0 5px 0;
}

.popup-header p {
    color: #b9bbbe;
    font-size: 14px;
}

.server-icon {
    width: 250px;
    height: 250px;
    border-radius: 15px;
}

.join-button {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background: #3555ccda;
    color: #fff;
    border-radius: 15px;
    text-decoration: none;
    font-weight: bold;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 20px;
    cursor: pointer;
}