.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 9999;
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 800px;
    margin: 5% auto;
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.modal-close {
    position: absolute;
    top: -15px;
    right: -15px;
    font-size: 24px;
    font-weight: bold;
    color: #333;
    cursor: pointer;
    background-color: #ffffff;
    border: 2px solid #ddd;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    line-height: 36px;
    text-align: center;
    z-index: 10000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.modal-close:hover {
    background-color: #f0f0f0;
    color: #000;
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 5px;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}