Salesforce has been slowly migrating pieces of the standard Sales Cloud platform from Classic into the new Lightning framework since the dawn of Lightning in 2014. But there’s one feature that remained heavily rooted in the past, and that is Page Layout; but only until recently, when Salesforce launched Dynamic Forms.
We as a Salesforce consulting company, have helped many clients acquire the benefits of Dynamic Forms over Page Layouts. You can also use Visibility Rules available on other Lightning Components within a Lightning Page on fields in a Dynamic Form. That means the page adapts to everything users are doing and when they’re doing it.