*{
    box-sizing:border-box;
}

h1 {
     padding-top:30px;
     padding-bottom:30px;
     text-align:center;
     font-size: 45px;
     text-shadow: 2px 2px 4px darkslategray;
     font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
     color: rgba(32, 31, 33, 0.862);
     background-color: rgba(151, 175, 197, 0.878);
     border-color: rgba(32, 31, 33, 0.728);
     border-style:double;
}

h4 {
     padding-top:10px;
     padding-bottom:10px;
     text-align:center;
     color:rgb(245, 245, 245);
     font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

body {
    background-image: linear-gradient( whitesmoke, darkslategray);
    min-height: 100vh;
    margin:0;
    opacity:0.8;

  padding: 0;
  background-image: url('../assets/water-tower.png'); /* Replace with your image path */
  background-size: cover;       /* Makes it fill the entire page */
  background-repeat: no-repeat; /* Prevents tiling */
  background-attachment: fixed; /* Keeps image in place when scrolling */
  background-position: center;  /* Centers the image */
}


.button-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.button-link {
    display: inline-block;
    background-color:darkslategrey;
    padding: 30px 20px;
    color:whitesmoke;
    border-radius: 5px;
    font-size: 20px;
    transition: background-color 0.3s ease;
    text-align:center;
    text-decoration: none;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

.button-link:hover {
    background-color:rgb(47, 64, 79);
    border-color:whitesmoke;
}

.container {
    padding:10px;
    display:flex;

    /*the flex direction determines the main and cross axis directions,nwhich changes how our alignment properties work*/
    flex-direction:column;
    
    /*align items is used for signle line flexboxes */
   
    /* align content is used for multi-line, wrapping flexboxes */
    align-content:center;

    gap:1rem;
    /*use gap instead of margins for flexboxes*/

    height:100vh;

    overflow-y:auto;

}


.chapter-title {
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    font-size:30px;
    text-align:center;
    color:whitesmoke;

}


.chapter-dropdown {
  position:relative;
    margin-bottom: 2rem;
  border-radius: 6px;
  padding: 70px;
  overflow-y: auto;
  border-color: darkslategray;
  width: 100vw;
  
}

.chapter-content {
   /*max-height: 0;*/
  overflow: hidden;
  opacity: 0;
  transition: max-height 5s ease, opacity 2s ease;
  padding-left: 30px;
  padding-right: 30px;
  padding-bottom: 15px;
  padding-top:15px;
  color: rgb(47, 64, 79);
  background-color: whitesmoke;
  font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    font-size:15px;
    text-align:center;
pointer-events:none;
}

/* Optional: Style summary as a button-like toggle */
.chapter-dropdown summary {
  display: none;
}

.chapter-dropdown:hover .chapter-content {
  /*max-height: 1000px;  /* big enough to show content */
  opacity: 1;
  /*padding-top: 10px;
  padding-bottom: 10px;
  overflow-y: auto; */
}