/* Custom Styles */
  

        .product-cards-section {
            background-color: #f0f2f5;
            padding: 3rem 0;
        }

       

        .section-title {
            font-weight: 700;
            color: #1a202c;
        }

        /* Toggle Switch Styling */
        .unit-toggle {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 2rem;
            gap: 0.75rem;
            font-weight: 500;
            color: #4a5568;
        }

        .switch {
            position: relative;
            display: inline-block;
            width: 60px;
            height: 30px;
        }

        .switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }

        .slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #ccc;
            transition: .4s;
            border-radius: 34px;
        }

        .slider:before {
            position: absolute;
            content: "";
            height: 23px;
            width: 23px;
            left: 4px;
            bottom: 4px;
            background-color: white;
            transition: .4s;
            border-radius: 50%;
        }

        .slider.imperial {
            background-color: #E63024;
            /* Red for Imperial */
        }

        input:checked+.slider.imperial {
            background-color: #ccc;
            /* Gray for Metric */
        }

        input:checked+.slider:before {
            transform: translateX(26px);
        }

        /* Product Card Styling */
        .product-card {
            border: 1px solid #e2e8f0;
            border-radius: 12px;
            background-color: #ffffff;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
      .product-inner {
            margin-bottom: 3.8rem;
        }

        .product-card:hover {
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        }

        /* Highlighted middle card */
        .product-card.highlight {
            border: 2px solid #007bff;
            box-shadow: 0 0 15px rgba(0, 123, 255, 0.25);
        }

        .product-card .card-header-custom {
            background-color: #1a202c;
            color: white;
            padding: 0.75rem 1rem;
            border-top-left-radius: 8px;
            border-top-right-radius: 8px;
        }

        .product-card .product-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0;
        }

        .product-card .product-subtitle {
            font-size: 0.85rem;
            font-weight: 500;
            margin: 0;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

        .product-specs {
            text-align: center;
            font-size: 0.9rem;
            color: #4a5568;
            flex-grow: 1;
            /* Pushes the button to the bottom */
        }

        .product-specs p {
            margin-bottom: 0.2rem;
        }

        .product-specs strong {
            color: #1a202c;
        }

        .product-card .load-charts-link {
            font-size: 1rem;
            font-weight: 600;
            color: #000;
            text-decoration: none;
            display: block;
            margin-top: 1.5rem;
            margin-bottom: 1rem;
        }

        .product-card .load-charts-link:hover {
            text-decoration: underline;
        }

        .hth-img{
            padding: 2rem 0;
        }

        .btn-download {
            background-color: #E63024;
            /* Red for Imperial */
            color: white;
            border: none;
            padding: 1.2rem 1.5rem !important;
            border-radius: 20px !important;
            font-weight: 700 !important;
            text-transform: uppercase;
            transition: background-color 0.3s ease;
            width: 100%;
        }

        .btn-download:hover {
            background-color: #E63024;
            color: white;
        }

        .product-details {
            padding: 0.5rem 1.5rem 1.5rem 1.5rem;

        }