/* ==================== PDF VIEWER ==================== */
.pdf-viewer-section{
  margin-top: 50px;
}
.pdf-shell{
  width: 100%;
  max-width: var(--maxw);
  margin: 20px auto;
  padding: 16px;
  border-radius: 14px;
  background: var(--card);
  border: 1px solid rgba(11,18,38,0.08);
  box-shadow: 0 12px 28px rgba(11,18,38,0.08);
}
.pdf-frame{
  width: 100%;
  height: 800px;
  border-radius: 10px;
  border: none;
  background: var(--card);
  box-shadow: 0 0 0 1px rgba(166,124,82,0.15);
}
/* Responsivo */
@media (max-width: 900px){
  .pdf-frame{ height: 700px; }
}
@media (max-width: 600px){
  .pdf-frame{ height: 600px; }
}
@media (max-width: 420px){
  .pdf-frame{ height: 520px; }
}