:root { --primary: #0d6efd; --secondary: #28a745; --light: #f8f9fa; --dark: #212529; --gray: #6c757d; --white: #ffffff; --shadow: 0 4px 6px rgba(0, 0, 0, 0.1); } * { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; } body { background-color: var(--light); color: var(--dark); line-height: 1.6; padding: 20px; } .container { max-width: 800px; margin: 0 auto; background-color: var(--white); border-radius: 10px; box-shadow: var(--shadow); padding: 25px; } h1, h2 { color: var(--primary); text-align: center; margin-bottom: 20px; } /* Calculator Form Styles */ .calculator-form { display: grid; grid-template-columns: 1fr; gap: 20px; margin-bottom: 40px; } .form-group { display: flex; flex-direction: column; } label { margin-bottom: 8px; font-weight: 600; } input, select { padding: 12px; border: 1px solid #ced4da; border-radius: 5px; font-size: 16px; } input:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.25); } .btn { padding: 12px 20px; border: none; border-radius: 5px; font-size: 16px; font-weight: 600; cursor: pointer; transition: all 0.3s ease; } .btn-primary { background-color: var(--primary); color: var(--white); } .btn-primary:hover { background-color: #0b5ed7; } /* Results Section */ .results { margin-top: 30px; padding: 20px; background-color: #f8f9fa; border-radius: 8px; display: none; } .result-item { display: flex; justify-content: space-between; margin-bottom: 10px; padding-bottom: 10px; border-bottom: 1px solid #dee2e6; } .result-label { font-weight: 600; } .result-value { font-weight: 700; color: var(--secondary); } .chart-container { margin-top: 30px; height: 300px; } /* Instructions Section */ .instructions-section { margin: 40px 0; padding: 25px; background-color: #f8f9fa; border-radius: 10px; } .steps-container { display: flex; flex-direction: column; gap: 20px; } .step { display: flex; gap: 15px; align-items: flex-start; } .step-number { background-color: #0d6efd; color: white; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0; } .step-content h3 { color: #212529; margin-bottom: 5px; } /* Features Section */ .features-section { margin: 40px 0; padding: 25px; } .features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 25px; } .feature-card { background-color: white; padding: 25px; border-radius: 8px; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); transition: transform 0.3s ease; } .feature-card:hover { transform: translateY(-5px); } .feature-icon { font-size: 2rem; margin-bottom: 15px; } .feature-card h3 { color: #212529; margin-bottom: 10px; } /* Responsive adjustments */ @media (min-width: 768px) { .calculator-form { grid-template-columns: 1fr 1fr; } .form-group.full-width { grid-column: span 2; } } @media (max-width: 768px) { .features-grid { grid-template-columns: 1fr; } .step { flex-direction: column; align-items: flex-start; } } @media (max-width: 480px) { .container { padding: 15px; } input, select, .btn { padding: 10px; font-size: 14px; } }

document.getElementById('calculatorForm').addEventListener('submit', function(e) { e.preventDefault(); calculateResults(); }); function calculateResults() { // Get input values const initialDeposit = parseFloat(document.getElementById('initialDeposit').value) || 0; const annualInterestRate = parseFloat(document.getElementById('interestRate').value) || 0; const years = parseInt(document.getElementById('years').value) || 1; const monthlyContribution = parseFloat(document.getElementById('monthlyContribution').value) || 0; const compoundingFrequency = parseInt(document.getElementById('compounding').value); // Calculate periodic interest rate and number of periods const periodicInterestRate = annualInterestRate / 100 / compoundingFrequency; const totalPeriods = years * compoundingFrequency; // Calculate future value of initial deposit const futureValueInitial = initialDeposit * Math.pow(1 + periodicInterestRate, totalPeriods); // Calculate future value of monthly contributions let futureValueContributions = 0; if (monthlyContribution > 0) { const monthlyRate = annualInterestRate / 100 / 12; const totalMonths = years * 12; futureValueContributions = monthlyContribution * (Math.pow(1 + monthlyRate, totalMonths) - 1) / monthlyRate; } // Calculate totals const futureBalance = futureValueInitial + futureValueContributions; const totalContributions = initialDeposit + (monthlyContribution * years * 12); const interestEarned = futureBalance - totalContributions; // Display results document.getElementById('initialDepositResult').textContent = formatCurrency(initialDeposit); document.getElementById('totalContributions').textContent = formatCurrency(totalContributions); document.getElementById('interestEarned').textContent = formatCurrency(interestEarned); document.getElementById('futureBalance').textContent = formatCurrency(futureBalance); // Show results section document.getElementById('results').style.display = 'block'; // Update chart updateChart(initialDeposit, totalContributions - initialDeposit, interestEarned); } function formatCurrency(amount) { return '$' + amount.toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,'); } let resultsChart = null; function updateChart(initialDeposit, contributions, interest) { const ctx = document.getElementById('resultsChart').getContext('2d'); if (resultsChart) { resultsChart.destroy(); } resultsChart = new Chart(ctx, { type: 'doughnut', data: { labels: ['Initial Deposit', 'Contributions', 'Interest Earned'], datasets: [{ data: [initialDeposit, contributions, interest], backgroundColor: [ '#0d6efd', '#28a745', '#ffc107' ], borderWidth: 1 }] }, options: { responsive: true, maintainAspectRatio: false, plugins: { legend: { position: 'bottom' }, tooltip: { callbacks: { label: function(context) { let label = context.label || ''; if (label) { label += ': '; } label += formatCurrency(context.raw); return label; } } } } } }); }

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/* Ethereum Section Styles */ .ethereum-section { background: linear-gradient(135deg, #627EEA 0%, #3C3C3D 100%); color: white; border-radius: 10px; padding: 30px; margin: 40px 0; box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15); } .ethereum-header { text-align: center; margin-bottom: 30px; } .ethereum-header h2 { color: white; font-size: 28px; margin-bottom: 15px; } .ethereum-header p { font-size: 18px; opacity: 0.9; max-width: 700px; margin: 0 auto; } .ethereum-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 25px; margin-bottom: 30px; } .feature { background: rgba(255, 255, 255, 0.1); backdrop-filter: blur(10px); border-radius: 10px; padding: 25px; transition: transform 0.3s ease; } .feature:hover { transform: translateY(-5px); } .feature-icon { font-size: 32px; margin-bottom: 15px; } .feature h3 { font-size: 20px; margin-bottom: 10px; color: #FFD700; } .feature p { opacity: 0.85; line-height: 1.6; } .ethereum-cta { text-align: center; padding: 20px; } .ethereum-cta p { font-size: 18px; margin-bottom: 20px; } .cta-button { display: inline-block; background-color: #FFD700; color: #1C1C1E; padding: 15px 30px; border-radius: 50px; font-weight: bold; text-decoration: none; font-size: 18px; transition: all 0.3s ease; box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3); } .cta-button:hover { background-color: #FFC000; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4); } @media (max-width: 768px) { .ethereum-header h2 { font-size: 24px; } .ethereum-header p { font-size: 16px; } .feature { padding: 20px; } .cta-button { padding: 12px 25px; font-size: 16px; } } // Smooth scroll for internal links document.querySelectorAll('a[href^="#"]').forEach(anchor => { anchor.addEventListener('click', function (e) { e.preventDefault(); document.querySelector(this.getAttribute('href')).scrollIntoView({ behavior: 'smooth' }); }); }); // Track CTA button clicks document.querySelector('.cta-button').addEventListener('click', function() { // You can add analytics tracking here console.log('Ebook CTA clicked'); });