/* === SECCIÓN PRINCIPAL === */
.ofertas-section {
  background: #f3f4f6;
  padding: 80px 20px;
  text-align: center;
}

.ofertas-container {
  max-width: 1200px;
  margin: 0 auto;
}

/* === TÍTULO PRINCIPAL === */
.ofertas-container h2 {
  font-size: 2rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #1f2937;
  margin-bottom: 8px;
  position: relative;
  display: inline-block;
}

.ofertas-container h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: #e11d48;
  margin: 8px auto 0;
  border-radius: 2px;
}

.ofertas-container p {
  color: #555;
  font-size: 15px;
  margin-bottom: 45px;
}

/* === GRID === */
.ofertas-grid {
  display: grid;
  gap: 25px;
  justify-content: center;
}

.ofertas-grid.col-1 { grid-template-columns: 1fr; }
.ofertas-grid.col-2 { grid-template-columns: repeat(2, 1fr); }
.ofertas-grid.col-3 { grid-template-columns: repeat(3, 1fr); }
.ofertas-grid.col-4 { grid-template-columns: repeat(4, 1fr); }

/* === TARJETAS === */
.oferta-item {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  height: 320px;
  background-size: cover !important;
  background-position: center !important;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.oferta-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* === CAPA OSCURA INFERIOR (60%) === */
.oferta-item::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0));
  z-index: 1;
  pointer-events: none;
}

/* === CONTENIDO === */
.overlay {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 2;
}

/* === STICKER SUPERIOR DERECHA === */
.fecha {
  position: absolute;
  top: 15px;
  right: 15px;
  background: #facc15;
  color: #1e293b;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 6px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.25);
  z-index: 3;
}

/* === TEXTO === */
.overlay-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  color: #fff;
  text-align: center;
  padding: 25px 20px;
  z-index: 3;
  background-color: #0000003d;
}

.overlay-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 8px 0;
  color: #fff;
}

.overlay-content p {
  font-size: 0.9rem;
  color: #e5e7eb;
  margin: 0;
  line-height: 1.4;
  height: 38px;
  overflow: hidden;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .ofertas-grid.col-3,
  .ofertas-grid.col-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .ofertas-grid.col-2,
  .ofertas-grid.col-3,
  .ofertas-grid.col-4 {
    grid-template-columns: 1fr;
  }

  .oferta-item {
    height: 260px;
  }

  .overlay-content {
    padding: 20px 10px;
  }

  .overlay-content h3 {
    font-size: 1.1rem;
  }

  .overlay-content p {
    font-size: 0.85rem;
    height: auto;
  }
}