* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f7f3ee;
    color: #333;
}

header {
    background-color: #74685e;
    color: white;
    text-align: center;
    padding: 35px;
}

header h1 {
    font-size: 38px;
    margin: 0;
}

nav {
    background-color: #ddd2c6;
    text-align: center;
    padding: 15px;
}

nav a {
    color: #333;
    text-decoration: none;
    margin: 20px;
    font-weight: bold;
}

nav a:hover {
    color: #8b594b;
}

main {
    max-width: 1100px;
    margin: auto;
    padding: 30px;
}

.welcome {
    text-align: center;
    margin-bottom: 35px;
}

.welcome img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

article {
    background-color: white;
    padding: 25px;
    margin-bottom: 25px;
    min-height: 230px;
    overflow: auto;
    border-radius: 8px;
}

article h2 {
    color: #74685e;
    margin-top: 0;
}

article img {
    float: left;
    width: 35%;
    height: 170px;
    object-fit: cover;
    margin-right: 25px;
    margin-bottom: 10px;
}

article p {
    line-height: 1.7;
}

footer {
    background-color: #74685e;
    color: white;
    text-align: center;
    padding: 20px;
}

/* Tablet layout: 400px to 800px */

@media screen and (min-width: 400px)
                   and (max-width: 800px) {

    header {
        padding: 25px;
    }

    header h1 {
        font-size: 30px;
    }

    main {
        padding: 20px;
    }

    article {
        padding: 18px;
    }

    article img {
        float: right;
        width: 45%;
        height: 150px;
        margin-right: 0;
        margin-left: 15px;
    }

    nav a {
        margin: 10px;
        font-size: 14px;
    }
}

/* Phone layout: less than 400px */

@media screen and (max-width: 399px) {

    header {
        padding: 15px;
    }

    header h1 {
        font-size: 24px;
    }

    header p {
        font-size: 12px;
    }

    nav {
        padding: 10px;
    }

    nav a {
        display: block;
        margin: 8px;
        font-size: 13px;
    }

    main {
        padding: 10px;
    }

    .welcome img,
    article img {
        display: none;
    }

    article {
        padding: 12px;
        margin-bottom: 15px;
        min-height: 0;
    }

    article h2 {
        font-size: 19px;
    }

    article p {
        font-size: 13px;
        line-height: 1.5;
    }

    footer {
        padding: 12px;
        font-size: 12px;
    }
}