.containers {
      display: grid;
      grid-template-columns: 1fr; /* 1 column by default */
      gap: 20px;
      max-width: 1200px;
      margin: auto;
    }

    @media (min-width: 600px) {
      .containers {
        grid-template-columns: repeat(2, 1fr); /* 2 columns on tablets */
      }
    }

    @media (min-width: 900px) {
      .containers {
        grid-template-columns: repeat(4, 1fr); /* 4 columns on desktop */
      }
    }

    .card {
      background: white;
      border: 1px solid #ddd;
      padding: 15px;
      border-radius: 8px;
      text-align: center;
      position: relative;
      transition: box-shadow 0.3s ease;
    }

    .card:hover {
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .card img {
      max-width: 100%;
      height: auto;
    }

    .card h3 {
      font-size: 14px;
      margin: 10px 0 5px;
      color: #c70000;
    }

    .card .warranty {
      color: #e60000;
      font-weight: bold;
    }

    .card .details,
    .card .segment {
      font-size: 0.9rem;
      color: #555;
      margin-top: 4px;
    }

    .order-btn {
      margin-top: 10px;
      padding: 10px 15px;
      background-color: #25D366;
      color: white;
      border: none;
      border-radius: 5px;
      font-weight: bold;
      cursor: pointer;
      transition: background-color 0.3s;
    }

    .order-btn:hover {
      background-color: #1ebc59;
    }


    .filters {
       display:flex;
        gap:12px;
        
        justify-content:center; 
        margin:18px 0;
         flex-wrap:wrap;
         }
    .filter-btn { 
      padding:8px 14px;
       border-radius:8px; 
       border:2px solid #007bff;
        background:#f5f5f5; 
        color:#007bff; 
        cursor:pointer;
         transition:all .18s; 
         font-weight:600;
         }
    .filter-btn.active, .filter-btn:hover { background:#007bff; color:#fff; transform:scale(1.03); }

     .hidden {
       display:none !important; 
      }


 .exide {
  width: 70%;
  margin: 40px auto 20px;
  text-align: center;
  padding: 20px;

  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
    
}