body {
      background: linear-gradient(to right, #f1f5fc, #eaf0f8);
      font-family: 'Segoe UI', sans-serif;
      margin: 0;
    }

    /* bannner */

     .promo-banner {
      background: linear-gradient(90deg, #0B2E33, #93B1B5);
      /* border-radius: 12px; */
      padding: 60px 30px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
      gap: 30px;
     
    }

    .promo-text h3 {
      font-weight: 700;
      font-size: 1.8rem;
      margin-bottom: 10px;
      color: white;
    }

    .promo-text p {
      font-size: 1rem;
      color: #333;
      max-width: 600px;
      margin-bottom: 20px;
      color: white;
    }

    .search-box {
      position: relative;
      width: 100%;
      max-width: 350px;
    }

    .search-box input {
      width: 100%;
      padding: 12px 45px 12px 45px;
      border-radius: 50px;
      border: 1px solid #ccc;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
      font-size: 1rem;
      transition: all 0.3s ease;
    }

    .search-box input:focus {
      outline: none;
      border-color: #0B2E33;
      box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.15);
    }

    .search-box .bi-search {
      position: absolute;
      top: 50%;
      left: 16px;
      transform: translateY(-50%);
      color: #666;
      font-size: 18px;
    }

    .search-box .bi-arrow-right-circle {
      position: absolute;
      top: 50%;
      right: 16px;
      transform: translateY(-50%);
      color: #0B2E33;
      font-size: 22px;
      cursor: pointer;
      transition: color 0.3s ease;
    }

    .search-box .bi-arrow-right-circle:hover {
      color: #0B2E33;
    }

    .btn-quote {
      background-color: #0B2E33;
      color: #fff;
      font-weight: 600;
      padding: 12px 24px;
      border-radius: 8px;
      border: none;
      white-space: nowrap;
      transition: background-color 0.3s ease;
    }

    .btn-quote:hover {
      background-color: #0B2E33;
    }

    @media (max-width: 768px) {
      .promo-banner {
        flex-direction: column;
        align-items: flex-start;
      }

      .btn-quote {
        width: 100%;
      }

      .search-box {
        width: 100%;
        max-width: 100%;
      }
    }

    /* sidebar  */
    .sidebar {
      background: #ffffff;
      border-radius: 16px;
      padding: 30px;
      box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
    }

    .sidebar .filter-title {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
      border-bottom: 2px solid #d9e2ef;
      padding-bottom: 6px;
      color: #1f3b57;
    }

    .product-card {
      position: relative;
      background: #fff;
      border-radius: 20px;
      padding: 20px;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
      transition: 0.4s ease-in-out;
      
    }

    .product-card:hover {
      transform: translateY(-6px);
    }

    .product-img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      border-radius: 12px;
      margin-bottom: 15px;
    }

    .product-card .hover-icons {
      position: absolute;
      top: 12px;
      right: 12px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      cursor: pointer;
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .product-card:hover .hover-icons {
      opacity: 6;
    }

    .hover-icons .icon-btn {
      background: #ffffff;
      border: 1px solid #dcdcdc;
      border-radius: 50%;
      padding: 5px;
      font-size: 16px;
      color: #555;
      width: 36px;
      height: 36px;
      text-align: center;
    }

    .product-price {
      font-size: 1.4rem;
      font-weight: 700;
      color: #0c2d57;
    }

    .btn-add {
      background: #0d3b66;
      color: #fff;
      width: 100%;
      font-weight: 600;
      border-radius: 10px;
    }

    .btn-add:hover {
      background: #092847;
    }

    .rating {
      color: #ffc107;
    }

    .form-check-label, .form-label {
      font-weight: 500;
      color: #333;
    }