/* ====== FRANJA DE SECCIÓN ====== */
.section-banner {
  position: relative;
  background: url("../imagenes/frontis.jpg") no-repeat center center/cover;
  padding: 3rem 1rem;
  border-radius: 12px;
  margin: 2rem auto;
  text-align: center;
  overflow: hidden;
}

/* Degradado superpuesto */
.section-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient( rgba(128,0,0,0.8));
  border-radius: 12px;
}

.section-banner h1 {
  position: relative;
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  z-index: 1;
}

.section-banner h1 i {
  font-size: 1.8rem;
}



/** contenido */
/* ====== DOCUMENTOS ====== */
.titulo-seccion {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 2rem;
  font-weight: 700;
  color: #800000; /* Guinda */
}

.documentos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.document-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  text-align: center;
  transition: transform 0.3s ease;
}

.document-card:hover {
  transform: translateY(-5px);
}

.document-card h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: #333;
}

.btn-vista {
  display: inline-block;
  padding: 0.8rem 1.2rem;
  background: linear-gradient(135deg, #800000, #330066);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.btn-vista:hover {
  opacity: 0.9;
}

/* ====== MODAL ====== */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0; top: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
}

.modal-content {
  position: relative;
  background: #fff;
  padding: 1rem;
  border-radius: 10px;
  width: 80%;
  height: 80%;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  display: flex;
  flex-direction: column;
}

.modal__close {
  position: absolute;
  top: 10px; right: 15px;
  font-size: 1.5rem;
  font-weight: bold;
  color: #333;
  cursor: pointer;
}

#pdfViewer {
  flex: 1;
  width: 100%;
  border: none;
  border-radius: 8px;
}

.mensaje-error {
  text-align: center;
  font-size: 1.1rem;
  color: #800000;
  margin: auto;
}