.container {
            width: 100%;
            max-width: 900px;
            margin: 0 auto;
        }

        .headers {
             background: linear-gradient(135deg, #1e5799 0%, #207cca 51%, #2989d8 100%);
            text-align: center;
            margin-bottom: 30px;
            padding: 30px;
            border-radius: 30px;
            color: white;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }

        .headers h1 {
            font-size: 2.8rem;
            margin-bottom: 10px;
					color:white;
        }

        .headers p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
            opacity: 0.9;
        }

        .card-container {
            display: flex;
            flex-wrap: wrap;
            gap: 25px;
            justify-content: center;
        }

        .calculator-card {
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            overflow: hidden;
            width: 100%;
            max-width: 800px;
        }

        .card-header {
            background: #0056b3;
            color: white;
            padding: 20px 30px;
            text-align: center;
        }

        .card-header h2 {
            font-size: 1.8rem;
            display: flex;
            align-items: center;
					color:white;
            justify-content: center;
            gap: 10px;
        }

        .card-body {
            padding: 30px;
            display: flex;
            flex-direction: column;
        }

        .input-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin-bottom: 30px;
        }

        .input-group {
            margin-bottom: 15px;
        }

        .input-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #444;
        }

        .input-container {
            position: relative;
        }

        .input-container input, .input-container select {
            width: 100%;
            padding: 14px 15px;
            padding-left: 45px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 1rem;
            transition: all 0.3s ease;
        	height:3.1rem;
        }

        .input-container input:focus, .input-container select:focus {
            border-color: #2980b9;
            outline: none;
            box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.2);
        }

        .input-container i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #7f8c8d;
            font-size: 1.1rem;
        }

        .range-container {
            padding: 0 15px;
        }

        .range-value {
            display: flex;
            justify-content: space-between;
            margin-top: 8px;
            font-size: 0.9rem;
            color: #555;
        }

        input[type="range"] {
            width: 100%;
            height: 8px;
            -webkit-appearance: none;
            background: #e0e0e0;
            border-radius: 5px;
            outline: none;
        }

        input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: #2980b9;
            cursor: pointer;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }

        .buttons {
            display: flex;
            gap: 15px;
            margin: 20px 0;
        }

        .btn {
            flex: 1;
            padding: 15px;
            border: none;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .btn-primary {
            background: #2980b9;
            color: white;
        }

        .btn-secondary {
            background: #f1f2f6;
            color: #333;
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .btn:active {
            transform: translateY(-1px);
        }

        .result-section {
            background: #f8f9fa;
            border-radius: 15px;
            padding: 25px;
            margin-top: 20px;
            display: none;
        }

        .result-section h3 {
            text-align: center;
            margin-bottom: 20px;
            color: #2980b9;
            font-size: 1.5rem;
        }

        .result-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            text-align: center;
        }

        .result-card {
            background: white;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
            transition: transform 0.3s ease;
        }

        .result-card:hover {
            transform: translateY(-5px);
        }

        .result-card h4 {
            font-size: 1rem;
            color: #7f8c8d;
            margin-bottom: 12px;
        }

        .result-value {
            font-size: 1.1rem;
            font-weight: 700;
            color: #2980b9;
        }

        .result-value.small {
            font-size: 1.4rem;
        }

        .benefits-section {
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            padding: 30px;
        }

        .benefits-section h2 {
            color: #0056b3;
            margin-bottom: 25px;
            font-size: 1.8rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .benefits-list {
            list-style: none;
        }

        .benefits-list li {
            padding: 15px 0;
            display: flex;
            gap: 15px;
            border-bottom: 1px solid #eee;
        }

        .benefits-list li:last-child {
            border-bottom: none;
        }

        .benefit-icon {
            background: #e3f2fd;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #2980b9;
            flex-shrink: 0;
        }

        .benefit-content h3 {
            font-size: 1.1rem;
            margin-bottom: 5px;
            color: #333;
        }

        .benefit-content p {
            font-size: 0.95rem;
            color: #666;
            line-height: 1.5;
        }

        @media (max-width: 900px) {
            .card-container {
                flex-direction: column;
                align-items: center;
            }
            
            .benefits-section {
                max-width: 100%;
                width: 100%;
            }
        }

        @media (max-width: 600px) {
            .input-section {
                grid-template-columns: 1fr;
            }
            
            .buttons {
                flex-direction: column;
            }
            
            header h1 {
                font-size: 2.2rem;
            }
            
            .result-grid {
                grid-template-columns: 1fr;
            }
        }

        .disclaimer {
            background: #fff8e1;
            border-left: 4px solid #ffc107;
            padding: 15px;
            border-radius: 0 8px 8px 0;
            margin-top: 25px;
            font-size: 0.9rem;
        }