#particles-js {
      position: fixed;
      width: 100%;
      height: 100%;
      top: 0;
      left: 0;
      z-index: -1;
      background-color: #000000;
    }

    .catalog-section {
      padding: 0px 20px 30px;
      max-width: 1200px;
      margin: 0 auto;
      min-height: 80vh;
    }

    .catalog-title {
      text-align: center;
      color: #00ff00;
      font-size: 2.5rem;
      margin-bottom: 10px;
      text-transform: uppercase;
      font-family: 'IBM Plex Mono', monospace;
    }

    .catalog-subtitle {
      text-align: center;
      color: #94a3b8;
      margin-bottom: 50px;
      font-family: 'IBM Plex Mono', monospace;
    }

    .grid-productos {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
    }

    .card-producto {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(0, 255, 0, 0.1);
      border-radius: 12px;
      padding: 20px;
      text-align: center;
      transition: all 0.3s ease;
      backdrop-filter: blur(10px);
      display: flex;
      flex-direction: column;
    }

    .card-producto:hover {
      transform: translateY(-10px);
      border-color: #00ff00;
      box-shadow: 0 10px 30px rgba(0, 255, 0, 0.15);
    }

    .card-producto:hover .img-box img {
  transform: scale(1.03);
}

    .img-box {
 width: 100%;
  aspect-ratio: 1 / 1;       /* fuerza relación 1:1 */
  max-width: 360px;          /* ancho máximo del cuadro (ajusta si quieres) */
  margin: 0 auto 12px;
  background: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 12px;             /* espacio blanco alrededor de la imagen */
  box-shadow: 0 4px 18px rgba(0,0,0,0.06);
    }

    .img-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;       /* muestra toda la imagen */
  display: block;
  transition: transform .25s ease;
    }

    .marca { color: #00ff00; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; margin-bottom: 5px; letter-spacing: 1px; }
    .modelo { color: #fff; font-size: 1rem; font-weight: 500; margin-bottom: 10px; min-height: 3.5em; line-height: 1.4; }
    .stock { color: #94a3b8; font-size: 0.85rem; margin-bottom: 15px; font-family: 'IBM Plex Mono', monospace; }
    .precio-consulta { color: #00ff00; font-weight: 700; font-size: 1.1rem; margin-bottom: 20px; display: block; margin-top: auto; }

    .btn-wa {
      background: #25d366;
      color: #fff;
      padding: 12px 20px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: 600;
      display: inline-block;
      transition: all 0.3s;
    }

    .btn-wa:hover { background: #128c7e; transform: scale(1.05); }

    footer {
      padding: 60px 20px;
      text-align: center;
      border-top: 1px solid rgba(255,255,255,0.1);
    }

/* Mobile tweaks */
@media (max-width: 600px) {
  .img-box { height: 160px; }
  .catalog-title { font-size: 1.6rem; }
}

/* reduce espacio bajo el subtítulo (preferible) */
.page-hero .hero-content-full .lead.catalog-subtitle {
  margin-bottom: 0.5rem;
  line-height: 1.25;
}