* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6rem;
    background-color: #F0F8FF;
}

header {
    background: #008080;
    color: #FFFFFF;
    padding: 1rem 0;
}

header nav {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

header nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

header nav img {
    max-width: 12%;
    height: auto;
    margin: 0 1rem;
}

header nav a {
    color: #FFFFFF;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
}

header nav a:hover {
    text-decoration: underline;
    color: #FF7F50;
}

main {
    padding: 2rem;
}

h1 {
    text-align: center;
    font-size: 2.5rem;
    color: #0077CC;
    margin-bottom: 1rem;
    font-weight: bold;
}

h2 {
    text-align: left;
    font-size: 2.5rem;
    font-weight: bold;
    color: #008080;
    margin-bottom: 1rem;
}

p {
    font-size: 1rem;
    color: #333333;
    margin-bottom: 1rem;
}

h3 {
    text-align: left;
    font-size: 1.5rem;
    color: #0077CC;
}

article {
    background: #FFFFFF;
    margin: 1rem 0;
    padding: 2rem;
    border-radius: 0.5rem;
}

article h2 {
    color: #008080;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

#boeken {
    font-size: 1.8rem;
}



article img {
    max-width: 100%;
    width: 30rem;
    height: auto;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

article ul {
    list-style: disc;
    margin: 1rem 1rem;
    color: #333333;
}

form {
    background-color: #FFFFFF;
    padding: 2rem;
    border-radius: 0.8rem;
}

fieldset {
    border-radius: 0.8rem;
    margin-bottom: 1rem;
    padding: 1rem;
}

legend {
    font-size: 1.2rem;
    font-weight: bold;
    color: #008080;
}

label {
    display: block;
    font-size: 1rem;
    margin: 0.2rem 0;
    color: #333;
}


input[type="text"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0.5rem;
    border: 0.1rem solid #CCC;
    font-size: 1rem;
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
    border-color: #0077CC;
    outline: none;
}

textarea {
    resize: vertical;
    height: 15rem;
}

input[type="radio"] {
    margin-right: 1rem;
}

input[type="button"],
input[type="submit"] {
    background-color: #008080;
    color: #FFFFFF;
    padding: 1rem 2rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 1.1rem;
    margin-top: 0.1rem;
}

input[type="button"]:hover,
input[type="submit"]:hover {
    background-color: #005f5f;
}

footer {
    text-align: center;
    background: #008080;
    color: #FFFFFF;
    padding: 1rem 0;
    font-size: 0.9rem;
    margin-top: 2rem;
}

footer a {
    color: #FFFFFF;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
    color: #FF7F50;
}

.verplicht {
    font-size: 0.8rem;
}

.japan {
    width: 40rem;
    margin: 0.5rem;
    border-radius: 0.8rem;
}

.promotie {
    font-size: 2rem;
    color: #FF7F50;
    font-weight: bold;
    margin: 2rem 0;
}

.youtube {
    width: 40%;
    max-width: 100rem;
    margin-top: 2rem;
    border-radius: 1rem;
    box-sizing: border-box;
}

img.Emily {
    width: 20rem;
    margin: 0.5rem;
    border-radius: 0.8rem;
}

strong {
    font-size: 1rem;
    font-weight: bold;
    color: #333333;
}

p.info {
    font-size: 1rem;
    font-weight: bold;
    color: #666666;
}

a.Contactgegevens {
    text-decoration: underline;
    color: #005F5F;
}

a.Contactgegevens:hover {
    text-decoration: underline;
    color: #333333;
}

.socials img {
    width: 5rem;
}

.button {
    background-color: #008080;
    color: #FFFFFF;
    padding: 1rem 2rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 1.1rem;
    margin-top: 1rem;
}

.button:hover {
    background-color: #005f5f;
}

h4 {
    font-size: 1rem;
    font-weight: bold;
    color: #666666;
}

@media (max-width: 768px) {
    header nav {
        flex-direction: column;
        padding: 0 2rem;
    }

    header nav ul {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    header nav img {
        max-width: 20%;
    }

    main {
        padding: 1rem;
    }

    h1 {
        font-size: 1.6rem;
    }

    h2{ font-size: 1.4rem;}

    h3 {
        font-size: 1.2rem;
    }
    article h2 {font-size: 1.5rem;}

    article img {
        width: 100%;
    }

    .promotie {font-size: 1.4rem}

    .japan {
        width: 100%;
    }

    .youtube {
        width: 100%;
    }

    .button {
        width: 100%;
    }

    input[type="button"],
    input[type="submit"] {
        width: 100%;
    }

    footer {
        font-size: 0.8rem;
    }
}


@media (max-width: 1024px) {
    header nav {
        padding: 0 3rem;
    }

    header nav ul {
        gap: 1.5rem;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2,
    h3 {
        font-size: 1,5rem;
    }

    article img {
        width: 80%;
    }

    .japan {
        width: 80%;
    }

    .youtube {
        width: 80%;
    }
}

@media (min-width: 1025px) {
    header nav {
        padding: 0 5rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2,
    h3 {
        font-size: 2.5rem;
    }

    article img {
        width: 30rem;
    }

    .japan {
        width: 40rem;
    }

    .youtube {
        width: 40%;
    }
}