/* =====================================================================
   PORTFOLIO
   Fondo: var(--color-fondo-secundario) gris
   ===================================================================== */

.bloque-portfolio {
  background: var(--color-fondo-secundario);
}

/* Grid: columna única en móvil */

.portfolio-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Item portfolio */

.portfolio-item {
  position: relative;
  border-radius: var(--radio);
  overflow: hidden;
  margin: 0;
  background: var(--color-fondo);
  border: 1px solid var(--color-borde);
}

/* Contenedor imagen */

.portfolio-img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.portfolio-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.portfolio-item:hover .portfolio-img img {
  transform: scale(1.05);
}

/* Overlay sobre la imagen en hover */

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(27, 58, 75, 0.55);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

/* Figcaption con H3 */

.portfolio-item figcaption {
  padding: 12px 16px;
}

.portfolio-h3 {
  font-size: 14px;
  font-weight: var(--peso-bold);
  color: var(--color-primario);
  margin: 0;
  line-height: 1.35;
}

/* Botón ver todos */

.portfolio-cta {
  text-align: center;
  margin-top: 32px;
}

.btn-outline {
  background: transparent;
  color: var(--color-primario);
  border: 2px solid var(--color-primario);
  font-size: 14px;
  font-weight: var(--peso-bold);
  padding: 12px 24px;
  border-radius: var(--radio-small);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s ease, color 0.2s ease;
}

.btn-outline svg,
.btn-outline .arrow {
  color: var(--color-acento);
}

.btn-outline:hover {
  background: var(--color-primario);
  color: #fff;
}

.btn-outline:hover svg,
.btn-outline:hover .arrow {
  color: var(--color-acento-claro);
}

/* ----- Desktop (≥ 768px) — 3 columnas ----- */

@media (min-width: 768px) {

  .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}