@charset "UTF-8";

.material-main      { padding: 2.5rem 0 5rem; }
.material-container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }

/* Grid*/
.material-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

/*  Card */
.material-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(44,44,43,0.6);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  transition-delay: var(--delay, 0ms);
}
.material-card:hover {
  border-color: rgba(191,182,165,0.28);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* Preview */
.material-preview {
  position: relative;
  height: 180px;
  overflow: hidden;
  background: var(--surface);
}
.material-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.material-card:hover .material-img { transform: scale(1.05); }
.material-pdf-icon {
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.material-pdf-icon i {
  font-size: 3.5rem;
  color: rgba(191,182,165,0.2);
  transition: color var(--transition);
}
.material-card:hover .material-pdf-icon i { color: rgba(191,182,165,0.35); }
.material-pdf-icon span {
  font-family: var(--font-title);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: rgba(191,182,165,0.3);
  font-weight: 700;
}

.material-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(44,44,43,0.6) 100%);
  display: flex; align-items: flex-end; padding: 10px;
}
.material-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(44,44,43,0.82);
  color: var(--beige);
  font-family: var(--font-title);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  border: 1px solid rgba(191,182,165,0.2);
  backdrop-filter: blur(6px);
}

/* Cuerpo */
.material-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}
.material-titulo {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blanco);
  line-height: 1.3;
}
.material-desc {
  font-size: 0.83rem;
  color: rgba(191,182,165,0.58);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.material-acciones {
  display: flex;
  gap: 0.6rem;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 600px) {
  .material-grid { grid-template-columns: 1fr 1fr; gap: 0.85rem; }
}
@media (max-width: 380px) {
  .material-grid { grid-template-columns: 1fr; }
}