.calculator-container {
    max-width: 800px;
    margin: 40px auto;
    padding: 30px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.calculator-header {
    text-align: center;
    margin-bottom: 30px;
}

.calculator-header h1 {
    color: #333;
    font-size: 2.5em;
    margin-bottom: 15px;
}

.calculator-header p {
    color: #666;
    font-size: 1.1em;
}

.calculator-form {
    margin-bottom: 40px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: #007bff;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.calculate-button {
    display: block;
    width: 100%;
    padding: 15px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

.calculate-button:hover {
    background-color: #218838;
}

.results-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.result-item {
    text-align: center;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.result-item .value {
    font-size: 2.5em;
    font-weight: bold;
    color: #28a745;
    margin-bottom: 10px;
}

.result-item .label {
    color: #666;
    font-size: 1.1em;
}

.cta-section {
    text-align: center;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.cta-section h2 {
    color: #333;
    margin-bottom: 20px;
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #0056b3;
}

/* Responsive Design */
@media (max-width: 768px) {
    .calculator-container {
        margin: 20px;
        padding: 20px;
    }

    .results-container {
        grid-template-columns: 1fr;
    }

    .calculator-header h1 {
        font-size: 2em;
    }
}