Strategy Behind the Order of Sections on a Landing Page

I sell a service and would like to know what the best way to order a one-page site/landing page and can't seem to find any strategies just thousands of examples of what 'good' is.

Here's what I have so far and my thinking (please let me know how off I am):

Section 1: Thee Landing Section

• Attention Grabber
• Information on Service, premise
• The Call to Action (buy /learn more/email list)

Section 2: The Data

• Three pieces of data that supports the premise of our service and why they needed our service yesterday

Section 3: How It Actually Works

• Slides that go through a brief overview of the service from the customers POV, highlighting ease of use and speed

Section 4: Social Proof

• Some sort of social proof mechanism, logos of companies that used us, reviews of customers

Section 5: Pricing Options

• Three Pricing values, one met to anchor the price, one met to sell and one met for power users with dough

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Hope this makes sense! Would love to hear feedback on if this is too much or all wrong in general, thanks