.bienvenue {
    width: 100%;
    position: relative;

}

.bienvenue video {

    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0;
    filter: blur(1vw);
}

.description {
    margin: 5%;
    margin-top: 10%;
    padding: 1em;
    align-items: center;
    text-align: center;
}

.description h2 {
    font-size: 3em;
    border-bottom: 3px #201b22 solid;
    margin-left: 20%;
    margin-right: 20%;
    margin-bottom: 5%;
    color: #201b22;
}

.description p {
    margin-bottom: 2%;
    font-size: 1.5em;
    color: #201b22;
}

.section-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20%;
    padding: 1% 15%;
    margin-left: 10%;
    margin-right: 10%;
    align-items: center;
}

.section-container h1{
    color: #fff;
    font-family: 'Nunito-Regular', sans-serif;
}

.block {
    flex: 1;
    width: 100%;
    padding: 2em;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    background-color: #2f435e;
    transition: transform 0.3s ease;
    margin-bottom: 5%;
    
}

.block:hover {
    background-color: #4b5e65;
    transform: scale(1.05);
}


.bienvenue h1 {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    color: #fff;
    text-align: center;
    padding: 10%; 
    margin-top: 5%;
    box-sizing: border-box;
    font-size: 3em;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .section-container {
        flex-direction: column;
        align-items: center;
       padding: 1% 10%;
    }

    .block {
        text-align: center;
        width: 100%;
        padding: 1em;
        font-size: 0.7em;
    }
    .description {
        font-size: 0.7em;
    }

    .bienvenue h1 {
        font-size: 1.3em;
    }
}