p {
    color: white;
    margin-bottom: 20px;
}

.page-intro {
    background-color: var(--purple-darkest);
    margin-top: 80px;
    height: 450px;
    display: flex;  
    flex-direction: column;
    gap: 40px; 
    justify-content: center;  
    align-items: center;
    text-align: center;
}

.intro-text-container {
    width: 900px;
    justify-content: space-between;
}

.pdf-book {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 18px;
}

#pdf-canvas {
  max-width: 800px;
  border-radius: 12px;
  box-shadow: 0 0 25px rgba(0,0,0,0.25);
}

.pdf-book button {
  background: none;
  border: none;
  font-size: 32px;
  cursor: pointer;
  color: var(--purple-darkest)
}

.download-button {
    border: 2px solid black;
    border-radius: 26px;
    background-color: var(--purple-standard);
    font-weight: 600;
    padding-top: 5px;
    padding-bottom: 5px;
    padding-left: 40px;
    padding-right: 40px;
    color: var(--purple-darkest);
}

.download-button:hover {
    background-color: var(--purple-darker);
    color: var(--text-secondary);
    border-color: white;
    cursor: pointer;
}

.guide-bottom-text-container {
    width: 850px;
    margin: 0 auto;
    text-align: center;
}

h3 {
    margin-bottom: 15px;
    line-height: 30px;
    color: var(--purple-darkest);
    font-size: 26px;
}

.pdf-gallery {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 20px 0;
  scroll-behavior: smooth;
  margin-bottom: 50px;
  justify-content: space-between;
}

.pdf-gallery::-webkit-scrollbar {
  height: 8px;
}

.pdf-gallery::-webkit-scrollbar-thumb {
  background-color: rgba(0,0,0,0.2);
  border-radius: 4px;
}

.pdf-gallery a {
  flex: 0 0 auto; /* keep items their size */
  text-align: center;
}

.pdf-gallery img {
  width: 150px; /* smaller cover size */
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}

.pdf-gallery img:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}

@media (max-width: 768px) {

  .pdf-gallery {
    gap: 14px;              /* tighter spacing */
    padding: 16px 12px;     /* side breathing room */
    scroll-snap-type: x mandatory; /* smooth snap */
  }

  .pdf-gallery a {
    flex: 0 0 auto;
    scroll-snap-align: start;
  }

  .pdf-gallery img {
    width: 120px;           /* smaller covers on phone */
    border-radius: 6px;
  }

  .pdf-gallery::-webkit-scrollbar {
    display: none;
  }

}