 Calculator Section -->
        <div id="calculator-section" class="my-5">
            <h3 class="mb-4">System Design Calculator</h3>
            <div class="row">
                <div class="col-md-6">
                    <div class="card mb-4">
                        <div class="card-header bg-white">
                            <h5 class="mb-0">Storage Calculator</h5>
                        </div>
                        <div class="card-body">
                            <form id="storage-calculator">