body {
    background-color: #f0f0f0;
    margin: 20px;
    background-image: url(./img/underwaterLibraryRemix.jpg);
    background-size: cover;
  background-position: center; /* This centers the image */
  background-repeat: no-repeat;
}

.flip-book {
    box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.5);
    display: none;
    margin: 0 auto;
    background-image: url(./img/flipBookBackground.jpg);
}

.page {
    background-image: url(./img/underwaterLibraryRemix.jpg);
    background-size: cover;
    padding: 0px;
    background-color: #fdfdfd;
    border: solid 1px #c2c2c2;
    overflow: hidden;
    font-family: "Ubuntu", sans-serif;
  font-weight: 900;
  font-style: bold;
  font-size: clamp(14px, 2.5vw, 18px);
  color: #FFEA00;
  
}


.chapterOnePage {
    background-image: url(./img/chapOneBackground.jpg);
    image-resolution: 300dpi;
    background-size: cover;
    padding: 0px;
    background-color: #fdfdfd;
    border: solid 1px #c2c2c2;
    overflow: hidden;
    font-family: "Ubuntu", sans-serif;
  font-weight: 900;
  font-style: bold;
  font-size: clamp(14px, 2.5vw, 18px);
  color: #FFEA00;
  width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: stretch;
}
.centerText{
    padding-top: 50%;
    padding-left: 40%;
    justify-content: center;
   
}
.centerTextEnd{
    padding-top: 50%;
    padding-left: 20%;
    justify-content: center;
   
}
.page .page-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: stretch;
}

.page-cover {
    background-color: #e3e3e3; /* A fallback color */
    border: solid 1px #999;

    /* --- Image properties --- */
    background-image: url('./img/bookCover.webp'); /* Make sure this path is correct */
    background-size: cover; /* This makes the image cover the whole page */
    background-position: center; /* This centers the image */
    background-repeat: no-repeat;
}



.main-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem 0;
}

.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 2.5rem; /* Space between menu items */
}

.nav-menu a {
  color: #FFEA00;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 700;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.3s ease;
}

/* Add a subtle underline effect on hover */
.nav-menu a::after {
  background-color: #FFEA00;
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--accent-color);
  transform: scaleX(0);
  transform-origin: bottom right;
  transition: transform 0.3s ease-out;
}

.nav-menu a:hover {
  color: var(--accent-color);
}

.nav-menu a:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

/* --- 4. Responsive Hamburger Menu --- */

/* Hide checkbox and hamburger by default on large screens */
.nav-toggle-checkbox,
.nav-toggle-label {
  display: none;
}

/* Media Query for mobile devices */
@media (max-width: 768px) {
  .header {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }}
  
  .nav-menu {
    display: none; /* Hide the menu by default */
    position: absolute;
    top: 90px; /* Position below header */
    left: 0;
    width: 100%;
    flex-direction: column;
    align-items: center;
    background-color: rgba(13, 27, 42, 0.85);
    backdrop-filter: blur(5px);
    padding: 1rem 0;
    z-index: 1;
  }

  .nav-menu li {
    padding: 1rem 0;
  }

  .nav-toggle-label {
    display: block; /* Show the hamburger icon */
    position: absolute;
    top: 2.5rem;
    right: 2rem;
    cursor: pointer;
    z-index: 100;
  }

.nav-toggle-label span,
  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    display: block;
    background: #FFEA00; /* <--- FIX */
    height: 3px;
    width: 28px;
    border-radius: 2px;
    position: relative;
    transition: all 0.3s ease-in-out;
    z-index: 1;
  }

  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    content: '';
    position: absolute;
  }

  .nav-toggle-label span::before {
    top: -8px;
  }

  .nav-toggle-label span::after {
    top: 8px;
  }

  /* Show the menu when the checkbox is checked */
  .nav-toggle-checkbox:checked ~ .nav-menu {
    display: flex;
  }
  
  /* Animate hamburger to an 'X' */
  .nav-toggle-checkbox:checked ~ .nav-toggle-label span {
    background: transparent;
  }

  .nav-toggle-checkbox:checked ~ .nav-toggle-label span::before {
    transform: rotate(45deg) translate(5px, 6px);
  }

  .nav-toggle-checkbox:checked ~ .nav-toggle-label span::after {
    transform: rotate(-45deg) translate(5px, -6px);
  }