/* HTML */
body {
    background-color: var(--backround-color);
    font-family: 'Times New Roman', Times, serif;
    font-size: 22px;
    margin: 0;
    padding: 0;
    text-decoration: none;
}



main section {
    text-align: center;
}





/* class */

.home-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
    grid-template-rows: auto;
}

.home-title {
    font-size: 2em;
    ;
    font-family: Tahoma, Verdana, sans-serif;
    margin-top: 10px;
}

.content {
    max-width: 1600px;
}

.button-box {
    text-align: center;
    background-color: var(--primary-color);
    font-size: 18px;
    padding: 10px;
    margin-top: 50px;
    border-radius: 5px;
    margin-bottom: 10px;
    max-width: var(--button-box-width);
    color: var(--secondary-color);
}

.button-box-box {
    max-width: var(--button-box-width);
    margin: auto;
}

.button-box-box a {
    text-decoration: none;
}

.icon {
    width: 80px;
    padding-top: 10px;
}

.card-img {
    border: 10px solid #d9c2a3;
    transition: transform .5s;
    box-shadow: 5px 5px 10px #6f7364;
}

.card-img,
.mountains {
    width: 100%;
}


.card-img:hover {
    opacity: .6;
    transform: scale(1.1);
}

.rivers-card,
.camping-card,
.rapids-card {
    margin: 200px 0;
}

.rivers-card {
    grid-column: 2/4;
    grid-row: 2/3;
}

.camping-card {
    grid-column: 5/7;
    grid-row: 2/3;
}

.rapids-card {
    grid-column: 8/10;
    grid-row: 2/3;
}

.mountains {
    grid-column: 2/7;
    grid-row: 5/8;
    margin: 0;
    width: 100%;
    box-shadow: 5px 5px 10px #6f7364;
}

.msg {
    background-color: var(--primary-color);
    padding: 35px;
    grid-column: 6/10;
    grid-row: 6/7;
    color: var(--secondary-color);
    box-shadow: 5px 5px 10px #6f7364;
    height: 300px;
    justify-content: center;
}

.msg h2 {
    font-family: Tahoma, Verdana, sans-serif;
}

.msg p {
    font-size: 0.8em;
    padding-bottom: 15px;
}


.join {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 18px;
    padding: 15px;
    margin-top: 50px;
    border-radius: 5px;
    border: 1px solid black;
}

.button-box:hover,
.join:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
}



/* ID */
#background {
    height: 725px;
    background-color: var(--primary-color);
}


#hero {
    display: grid;
    grid-template-columns: 1fr 3fr 1fr;
    grid-template-rows: 1fr 1fr;
    margin-top: -100px;
}

#hero-msg {
    grid-column: 2/3;
    grid-row: 1/2;
    margin-top: 100px;
    color: var(--primary-color);
}

#hero-msg h1,
#hero-msg h4 {
    text-align: center;

}

#hero-msg h4 {
    color: white;
}


#hero-box {
    grid-column: 1/4;
    grid-row: 1/3;
    z-index: -1;
}


#hero-img {
    width: 100%;
    background-color: white;

}



#backround {
    grid-row: 4/9;
    grid-column: 1/11;
}




@media screen and (max-width: 900px) {

    #hero,
    .home-grid {
        display: block;
        height: auto;
    }

    nav,
    footer {
        flex-direction: column;
    }

    nav a {
        display: block;
        padding: 15px;
    }

    #hero {
        margin-top: 0;
    }

    #hero-msg {
        margin-top: 0;
    }

    #hero-msg h4 {
        display: none;
    }

    .home-title {
        font-size: 25px;
        color: #6f7364;
    }

    .rivers-card,
    .camping-card,
    .rapids-card {
        margin: 50px auto;
        width: 60%;
    }

    #background {
        display: none;
    }

    .mountains,
    .msg {
        width: 80%;
        display: block;
        margin: 0 auto;
    }

}