body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
}
#video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}
#video-background video {
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
}
.container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-top: 50px;
}
.logo-container {
    text-align: center;
    margin-bottom: 20px;
}
.logo-container img {
    max-width: 100%;
    height: auto;
}
.text-container {
    padding: 20px;
    border: 2px solid #fff;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.8);
    font-size: large;
    font-weight: 500;
}

@media only screen and (max-width: 800px) {
    .container {
        width: 100%;
        max-width: 100%;
        margin-top: 0;
        padding: 10px;
        overflow-x: hidden; /* Yatay kaydırmayı engelle */
    }

    .text-container {
        margin-top: 10px;
        font-size: medium;
    }
}