/*font-family: 'Oswald', sans-serif;
font-family: 'Raleway', sans-serif;*/

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

  html {
    font-family: 'Raleway', sans-serif;
    font-size: 16px;
    color: #555;
    background-color: #f7f7f7;
  }
    
  ul {
    list-style: none;
} 
a {
    color:white;
} 

h1, h2, h3, h4, h5, h6 {
    font-family: 'Oswald', sans-serif;
}

hr {
    width: 150px;
    height: 2px;
    background-color: #2196f3;
    border: 0;
    margin: 40px auto;
  }
/* ------------------- HEADER ----------------- */

header {
    background-color: #555;
    position:fixed;
    z-index:10;
    top:0;
    left:0;
    width:100%;
    color:#fff;
    padding:35px 100px 20px;

    display:flex;
    justify-content: space-around;
    align-items: center;

}

header a {
    text-decoration: none;
    color:white;
    opacity: 0.6;
    cursor: pointer;
}
  
header a:hover {
    opacity: 1;
}

header nav ul {
    font-size: 14px;
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
}

header nav li {
    margin: 0 6px;
}

header nav li:first-child {
    margin: 0;
}

header nav li:last-child {
    margin: 0;
}

@media(max-width:1000px) {
    header {
        text-align:center;
        flex-direction:column;
        padding:20px 50px;
    }

    header img {
        width : 75%;
    }

    header nav {
        justify-content:space-around;
    }

    header h2 {
        margin-bottom: 15px;
    }
}

/* ------------------- header-image ----------------- */
#header-image {
    background: grey;
    color:white;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;

    background-image: url('img/header.jpg');
    background-position: right; /* je veux voir la mer, quitte à manquer les immeubles à gauches */
    background-repeat: no-repeat;
    background-size: cover; /* Je ne veux pas d'espace sans images dans mon écran */    
    /*min-height: 20vh; vh c'est view port height, la taille de l'écran */
    min-height: 400px
    
}

#header-image h1, #header-image h3 {
    font-size:28px;
    text-shadow: 2px 2px #000;
    margin-bottom: 40px;
}

#header-image h1 {
    font-size:60px;
    margin-bottom: 15px;    
}


@media(max-width: 800px) {

    #header-image {
        min-height: 200px;
    }

    #header-image h1 {
        font-size:36px;
    }
    #header-image h3 {
        font-size:18px;
    }

}

/* ------------------- CHAPTER ----------------- */

div h3.title {
    color:#131633;
    text-transform: capitalize;
    font-size: 32px;
    margin-bottom: 35px;
    text-align:center;
}

#chapter {
    padding: 10px;
    background-color: #f7f7f7;
    
}

#two-cols {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.chapter-img {
    border: 4px solid #fcfcfc;
    background-color: #fcfcfc;
  }
  
  .chapter-bio {
    width: 65%;
    max-width: 800px;
    line-height: 2;
    margin-left: 20px;
  }

  @media(max-width:600px) {
    #chapter, #two-cols {
      flex-direction: column;
    }
    .chapter-bio {
      margin-top: 20px;
      line-height: 1.5;
      text-align: left;
    }
  }