* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 25px 15px;
    min-height: 100vh;
    font-family: Arial, sans-serif;
    background: #fff7fb;
    color: #333;
    line-height: 1.6;
    text-align: center;
}

.couverture-header {
    background: #ffffff;
    padding: 25px 15px;
    border-radius: 22px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    max-width: 1150px;
    margin: 0 auto 30px;
}

.logo {
    width: 160px;
    max-width: 40%;
    height: auto;
    margin-bottom: 10px;
}

.couverture-header h1 {
    color: #b63f78;
    font-size: clamp(27px, 5vw, 42px);
    margin: 10px 0;
}

.intro {
    font-size: 18px;
    color: #8a4f68;
    margin: 10px auto;
}

.couverture-main {
    max-width: 1250px;
    margin: auto;
    padding: 10px;
}

.videos {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 25px;
}

.video-card {
    background: #ffffff;
    border: 1px solid rgba(182, 63, 120, 0.10);
    border-radius: 22px;
    padding: 20px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);
}

.video-card h2 {
    color: #b63f78;
    font-size: 22px;
    margin-top: 5px;
}

.video-card video {
    display: block;
    width: 100%;
    max-width: 100%;
    border-radius: 18px;
    background: #111;
    box-shadow: 0 3px 12px rgba(0,0,0,0.10);
}

.enter {
    display: inline-block;
    margin: 35px 0;
    padding: 18px 35px;
    border-radius: 30px;
    background: #b63f78;
    color: #ffffff;
    text-decoration: none;
    font-size: 20px;
    font-weight: bold;
    box-shadow: 0 3px 8px rgba(182, 63, 120, 0.18);
    transition: 0.3s;
}

.enter:hover {
    background: #8f2e5b;
    transform: translateY(-2px);
}

.couverture-footer {
    background: #ffffff;
    color: #8a4f68;
    font-weight: bold;
    padding: 20px;
    margin-top: 25px;
    border-radius: 18px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.06);
}

@media screen and (max-width: 700px) {

    body {
        padding: 15px 10px;
    }

    .videos {
        grid-template-columns: 1fr;
    }

    .video-card {
        padding: 14px;
    }

    .video-card h2 {
        font-size: 20px;
    }

    .enter {
        font-size: 17px;
        padding: 15px 22px;
    }
}