.book {
  position: relative;
  max-width: 900px;
  width: 90%;
  height: 480px;
  background: transparent;
  margin: 40px auto;
}

.page {
  display: none;  
  position: absolute;
  inset: 0;
  border-radius: 18px;
  padding: 40px 50px;

  box-shadow:
    0 20px 40px rgba(0,0,0,0.18),
    inset 0 0 0 1px rgba(255, 215, 120, 0.4);
  transform: scale(0.98);
  transition: opacity 0.4s ease, transform 0.4s ease;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 18px;
}

.page ul {
  padding-left: 0;
}

.page.active {
  display: block;  
  transform: translateX(0);
  pointer-events: auto;
}

.page h2 {
  margin-top: 0;
  font-size: 28px;
  color: #5a6b2f;
}

.page ul {
  list-style: none;
  padding: 0;
  margin-top: 25px;
}

.page li {
  font-size: 18px;
  padding: 10px 0;
  border-bottom: 1px dashed #e8e0b8;
}

footer {
  margin-top: 30px;
  padding: 20px 10px;
  background: rgba(255,255,255,0.85);
  border-radius: 16px 16px 0 0;
  font-size: 14px;
  color: #444;
  position: relative;
}

footer a {
  color: #ff7a18;
  text-decoration: none;
  font-weight: 600;
}

.seo-text {
  max-width: 600px;
  margin: 10px auto 30px;
  font-size: 0.9rem;
  color: #6f7c5b;
  text-align: center;
}