show-on-scroll        :root {
            --primary-color: #0d6efd;
            --secondary-color: #6c757d;
            --success-color: #198754;
            --bg-light: #f8f9fa;
        }
        body {
            background-color: #eef2f6;
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            color: #333;
        }
        .main-container {
            max-width: 1400px;
            margin: 30px auto;
        }
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            margin-bottom: 20px;
        }
        .card-header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border-bottom: none;
            padding: 15px 20px;
            font-weight: 700;
            border-radius: 12px 12px 0 0 !important;
        }
        .card-body {
            padding: 25px;
        }
        .section-title {
            font-size: 1rem;
            font-weight: 600;
            color: #495057;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 2px solid #e9ecef;
        }
        .form-label {
            font-weight: 600;
            font-size: 0.85rem;
            color: #555;
            margin-bottom: 5px;
        }
        .form-control, .form-select {
            border-radius: 6px;
            border: 1px solid #dee2e6;
        }
        .form-control:focus, .form-select:focus {
            box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
            border-color: var(--primary-color);
        }
        .input-group-text {
            background-color: #f1f4f8;
            border: 1px solid #dee2e6;
            font-weight: 600;
        }
        .month-input {
            margin-bottom: 10px;
        }
        .regime-toggle {
            display: flex;
            justify-content: center;
            margin-bottom: 20px;
            background: #fff;
            padding: 5px;
            border-radius: 50px;
            border: 2px solid #667eea;
            width: fit-content;
            margin-left: auto;
            margin-right: auto;
        }
        .regime-btn {
            padding: 10px 30px;
            border-radius: 50px;
            border: none;
            background: transparent;
            font-weight: 600;
            color: #666;
            transition: all 0.3s;
            cursor: pointer;
        }
        .regime-btn.active {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            box-shadow: 0 2px 10px rgba(102, 126, 234, 0.4);
        }
        .result-card {
            background: #fff;
            position: sticky;
            top: 20px;
        }
        .tax-amount {
            font-size: 2.5rem;
            font-weight: 800;
            color: #667eea;
            text-align: center;
            margin: 20px 0;
        }
        .breakdown-table {
            font-size: 0.9rem;
        }
        .breakdown-table td {
            padding: 8px;
        }
        .btn-calculate {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border: none;
            padding: 12px 40px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .btn-calculate:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
        }
        .header-banner {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 30px;
            border-radius: 12px;
            text-align: center;
            margin-bottom: 30px;
        }
        .small-text {
            font-size: 0.75rem;
            color: #6c757d;
            font-style: italic;
        }
        @media print {
            .no-print { display: none; }
        }
          /* New Footer Style */
        .page-footer {
            margin-top: 20px;
            padding: 15px;
            text-align: center;
            color: #6c757d;
            font-size: 0.9em;
            width: 100%;
            max-width: 1400px;
        }
        
        .page-footer a {
            color: #007bff;
            font-weight: 600;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .page-footer a:hover {
            color: #0056b3;
            text-decoration: underline;
        }
        /* Developer Info (from previous request) */
        .developer-info {
                position: fixed;
				top: 7%;
				left: 100px;
				transform: translateY(-50%);
				text-align: center;
				color: #ffffff;
				z-index: 10;
        }

        .developer-image {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            object-fit: cover;
            border: 4px solid #fff;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            
        }

        .developer-info h4 {
            margin: 0;
            font-size: 1.0em;
            font-weight: 600;
        }

        .developer-info p {
            
            font-size: 0.7em;
            opacity: 0.7;
        }

.hide-on-scroll {
  opacity: 0; /* Starts hidden */
  transform: translateY(-50px); /* Optional: moves it slightly off-screen */
  transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out; /* Smooth transition */
}

.show-on-scroll {
  opacity: 1; /* Becomes visible */
  transform: translateY(0); /* Returns to original position */
}