root = Card([header, uptimeSection, incidentSection])
header = CardHeader("Platform Status", "Live overview for the platform team")
uptimeSection = Card([uptimeHeading, uptimeValue, uptimeProgress], "sunk")
uptimeHeading = Heading("API uptime", "h3")
uptimeValue = TextContent("99.97%", "large-heavy")
uptimeProgress = Progress(99.97, "Uptime this month")
incidentSection = Card([incidentHeading, incidentCallout], "sunk")
incidentHeading = Heading("Most recent incident", "h3")
incidentCallout = Callout("info", "Resolved", "Elevated API latency between 14:20 and 15:05 UTC on June 4.")