.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.masthead {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    padding: 20px;
    z-index: 1;
}

.masthead-content {
    z-index: 2;
    position: relative;
    text-align: left;
    color: black;
    background-color: rgba(255, 255, 255, 0.7);
    /* Légère transparence pour le texte */
    padding: 20px;
    border-radius: 10px;
}

.masthead .btn {
    z-index: 2;
    position: relative;
    margin-top: 20px;
}

.masthead-heading {
    font-size: 2.5rem;
    font-weight: bold;
    color: black;
}

.masthead-subheading {
    font-size: 1.2rem;
    color: black;
}