ROI calculator template

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Build an ROI calculator as a standalone lead-generation tool for Ledger & Loop, a marketing operations consultancy — this is a utility-led, interactive tool meant to be embedded or linked from ad campaigns, so the calculator itself needs to be front and center on load, not buried below a marketing pitch. Skip a traditional photo hero: open directly into the calculator interface on a clean, confident ground, with a short headline above the inputs reading 'What's your marketing actually returning?' and a one-line subhead: 'Enter your numbers, see your ROI in seconds — no email required to calculate.' Pair Söhne (or a similar geometric sans) for headlines and result figures with Inter for input labels and body copy — numbers should render in tabular figures so the result doesn't jitter as digits change. Ground the interface in cool off-white (#F5F6F8), deep navy for text and static UI (#1C2333), and a single electric teal accent (#1FA6A0) used only on the calculate button, the result figure, and the result-breakdown chart. Build the calculator with three plain-language inputs (Monthly marketing spend, Monthly revenue from marketing, Average customer lifetime value) as large, clearly-labeled number fields with real placeholder formatting (e.g., '$', comma separators), and a prominent 'Calculate my ROI' button. On calculation, reveal a results panel showing the ROI percentage as a large teal figure, a one-sentence plain-language interpretation ('For every $1 you spend, you're getting $X.XX back'), and a simple horizontal bar comparing spend vs. return. Below the calculator, add a short section offering a free consultation with a real CTA, positioned as a next step, not a gate. The signature moment: the ROI result figure counts up from zero to its final value over 600ms ease-out the moment it appears, and the comparison bar draws in from left to right in sync — giving the calculation a felt sense of working, not just an instant static swap, which is what makes a marketing tool feel like a real tool rather than a form that spits out text. Animate the results panel with a 300ms fade-up on reveal alongside the count-up and bar draw-in described above; collapse the count-up to an instant final value and the bar to its final width under prefers-reduced-motion. No placeholder numbers, consultancy details, or 'Company Name' — every figure, label, and CTA should read as real.

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