{
  "version": "1.0.0",
  "calculators": {
    "standard": {
      "title": "Calcak – Free Online Calculator",
      "description": "Free standard calculator for everyday arithmetic. Fast, accurate, no sign-up required.",
      "h2": "About the Standard Calculator",
      "body": "Our free standard calculator handles everyday arithmetic — addition, subtraction, multiplication, and division — with instant results and calculation history.",
      "links": [
        { "text": "mortgage calculator", "calc": "mortgage" },
        { "text": "BMI calculator", "calc": "bmi" },
        { "text": "tip calculator", "calc": "tip" }
      ]
    },
    "mortgage": {
      "title": "Mortgage Calculator 2026 – Monthly Payment Estimator | Calcak",
      "description": "Calculate your monthly mortgage payment, total interest, and amortization. Free, fast, accurate.",
      "h2": "About the Mortgage Calculator",
      "body": "Estimate your monthly mortgage payment based on loan amount, interest rate, and term. Includes principal, interest, and optional PMI.",
      "links": [
        { "text": "standard calculator", "calc": "standard" },
        { "text": "percentage calculator", "calc": "percentage" }
      ]
    },
    "bmi": {
      "title": "BMI Calculator – Body Mass Index for Adults | Calcak",
      "description": "Calculate your BMI instantly. Supports both imperial (lbs/in) and metric (kg/cm) units.",
      "h2": "About the BMI Calculator",
      "body": "Body Mass Index (BMI) is a screening tool used to assess weight relative to height. Enter your height and weight to get your BMI and category.",
      "links": [
        { "text": "standard calculator", "calc": "standard" },
        { "text": "tip calculator", "calc": "tip" }
      ]
    },
    "tip": {
      "title": "Tip Calculator – Split the Bill Instantly | Calcak",
      "description": "Calculate tip amount and split the bill between any number of people. Free and instant.",
      "h2": "About the Tip Calculator",
      "body": "Enter your bill total, choose a tip percentage, and split evenly among your group. The standard US tip is 18–20%.",
      "links": [
        { "text": "percentage calculator", "calc": "percentage" },
        { "text": "standard calculator", "calc": "standard" }
      ]
    },
    "percentage": {
      "title": "Percentage Calculator – 3 Modes | Calcak",
      "description": "Calculate percentages three ways: X% of Y, X is what % of Y, and % change from X to Y.",
      "h2": "About the Percentage Calculator",
      "body": "Three calculation modes cover the most common percentage questions. Results update instantly.",
      "links": [
        { "text": "tip calculator", "calc": "tip" },
        { "text": "mortgage calculator", "calc": "mortgage" }
      ]
    },
    "tax": {
      "title": "Income Tax Calculator 2026 – Federal Estimate | Calcak",
      "description": "Estimate your 2026 federal income tax using current US tax brackets. Fast and free.",
      "h2": "About the Tax Calculator",
      "body": "Estimates federal income tax using 2026 IRS tax brackets. Does not include state taxes, deductions, or credits beyond the standard deduction.",
      "links": [
        { "text": "mortgage calculator", "calc": "mortgage" },
        { "text": "percentage calculator", "calc": "percentage" }
      ]
    },
    "loan": {
      "title": "Loan Calculator – Monthly Payment & Total Interest | Calcak",
      "description": "Calculate monthly loan payments and total interest for any loan amount, rate, and term.",
      "h2": "About the Loan Calculator",
      "body": "Works for personal loans, auto loans, and student loans. Enter the principal, annual interest rate, and term to see your monthly payment.",
      "links": [
        { "text": "mortgage calculator", "calc": "mortgage" },
        { "text": "standard calculator", "calc": "standard" }
      ]
    },
    "age": {
      "title": "Age Calculator – Exact Age in Years, Months & Days | Calcak",
      "description": "Calculate your exact age from your date of birth. Shows years, months, days, and next birthday.",
      "h2": "About the Age Calculator",
      "body": "Enter your date of birth to see your exact age in years, months, and days, plus how many days until your next birthday.",
      "links": [
        { "text": "standard calculator", "calc": "standard" },
        { "text": "BMI calculator", "calc": "bmi" }
      ]
    }
  },
  "seasonal_overrides": [
    {
      "name": "tax_season",
      "active_months": [1, 2, 3, 4],
      "targets": {
        "tax": {
          "title": "Tax Calculator 2026 – File Before April 15 | Calcak",
          "description": "Tax season is here! Estimate your 2026 federal income tax before the April 15 deadline. Free and instant.",
          "h2": "2026 Tax Season Calculator",
          "body": "Tax season runs January through April 15. Use our free federal tax estimator to plan your filing, check your refund, and avoid surprises at the deadline."
        },
        "mortgage": {
          "title": "Mortgage Interest Deduction Calculator 2026 | Calcak",
          "description": "Calculate your mortgage payment and interest deduction for tax season 2026. Free and accurate."
        }
      }
    },
    {
      "name": "thanksgiving",
      "active_months": [11],
      "targets": {
        "tip": {
          "title": "Thanksgiving Tip Calculator – Split the Holiday Bill | Calcak",
          "description": "Splitting the Thanksgiving restaurant bill? Calculate tips and divide evenly with our free tip calculator.",
          "h2": "Thanksgiving Tip & Bill Splitter",
          "body": "Dining out this Thanksgiving? Enter your bill, choose a tip percentage, and split the total among your group instantly."
        }
      }
    },
    {
      "name": "new_year",
      "active_months": [1],
      "targets": {
        "loan": {
          "title": "New Year Loan Calculator 2026 – Plan Your Finances | Calcak",
          "description": "Start 2026 right. Calculate loan payments and plan your debt payoff strategy with our free loan calculator."
        }
      }
    },
    {
      "name": "back_to_school",
      "active_months": [8, 9],
      "targets": {
        "loan": {
          "title": "Student Loan Calculator – Back to School 2026 | Calcak",
          "description": "Heading back to school? Calculate your student loan payments and total interest. Free and instant.",
          "h2": "Student Loan Calculator",
          "body": "Planning for college costs? Enter your loan amount, interest rate, and term to see your monthly payment and total interest over the life of the loan."
        },
        "percentage": {
          "title": "Back to School Discount Calculator 2026 | Calcak",
          "description": "Calculate back-to-school discounts and savings instantly with our free percentage calculator."
        }
      }
    }
  ],
  "update_thresholds": {
    "title_change_min_score_delta": 0.15,
    "max_updates_per_day": 3,
    "cooldown_hours": 6
  }
}