.video-promocional {
  margin-top: 30px;
  text-align: center;
}

.video-promocional iframe {
  max-width: 100%;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.ficha-livro h1 {
  margin-top: 60px;
  font-size: 28px;  
  margin-bottom: 20px;
  text-align: center;
  color: #333;
  letter-spacing: 0.5px;
  font-weight: 600;
}


.ficha-livro img {
  display: block;
  width: auto;
  max-width: 200px;
  height: auto;
  margin: 0 auto 20px;
  border: 1px solid #ccc;
  border-radius: 4px;
}


.links-livro {
  margin-top: 30px;
  margin-bottom: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.links-livro .botao {
  display: inline-block;
  padding: 8px 14px;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-size: 14px;
  transition: background 0.2s ease;
}

.botao-autor {
  background: #2a7b2a; /* verde para encomenda ao autor */
}

.botao-autor:hover {
  background: #1f5c1f;
}

.botao-amazon {
  background: #b12704; /* vermelho Amazon */
}

.botao-amazon:hover {
  background: #8e1f03;
}