@media (max-width: 768px) {

  body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f1f5f9;
  }

  /* ===== NAVBAR ===== */
  .navbar {
    width: 100%;
    background: #021d33;
    padding: 15px 20px;
    box-sizing: border-box;
  }

  .nav-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .nav-left {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .nav-left img {
    height: 38px;
    display: block;
  }

  .hamburger {
    display: block;
    font-size: 26px;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
  }

  /* ===== MENU MOBILE ===== */
  .nav-links {
    display: none;
    flex-direction: column;
    margin-top: 15px;
    background: #021d33;
  }

  .nav-links a {
    padding: 15px 0;
    text-align: center;
    color: white;
    text-decoration: none;
    border-top: 1px solid rgba(255,255,255,0.15);
    font-size: 15px;
  }

  .nav-links.active {
    display: flex;
  }

  /* ===== TITULO ===== */
  h1 {
    font-size: 20px;
    text-align: center;
    margin: 20px 10px;
    letter-spacing: 2px;
    color: #0f172a;
  }

  /* ===== BUSCADOR ===== */
  .search-container {
    width: 100%;
    padding: 0 15px;
    margin: 20px auto;
    box-sizing: border-box;
  }

  .search-bar {
    width: 100%;
    font-size: 15px;
    padding: 14px;
    border: 2px solid #1e3a8a;
    border-radius: 8px;
    outline: none;
    box-sizing: border-box;
  }

  /* ===== GRID ===== */
  .grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px;
    box-sizing: border-box;
  }

  /* ===== CARD ===== */
  .card {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  }

  .card img {
    width: 100%;
    height: 220px;              /* CLAVE */
    object-fit: contain;
    padding: 12px;
    background: #fff;
    display: block;
  }

  .info {
    padding: 15px;
  }

  .info h3 {
    font-size: 16px;
    margin: 0;
    color: #0f172a;
  }

  .info p {
    font-size: 14px;
    color: #475569;
    margin: 8px 0;
  }

  .precio {
    font-size: 18px;
    font-weight: bold;
    color: #1e3a8a;
    margin-top: 10px;
  }

  .btn {
    width: 100%;
    text-align: center;
    padding: 12px;
    font-size: 15px;
    display: block;
    background: #1e3a8a;
    color: white;
    border-radius: 6px;
    text-decoration: none;
    margin-top: 10px;
  }

  /* ===== PAGINACION ===== */
  .paginacion {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
  }

}