Collapsible

<State initial={false}>
    {([opened, setOpen]) => (
        <Card>
            <Card.Section>
                <div className="d-f justify-content-between align-items-center">
                    Name
                    <BodyText subdued>(800) 555-1234</BodyText>
                    {
                        opened
                        ? <Button primary small onClick={() => setOpen(!opened)}>Save</Button>
                        : <Button primary small fill="subtle" onClick={() => setOpen(!opened)}>Edit</Button>
                    }
                </div>
            <Collapsible open={opened}>
                <Form className="m-t-2">
                    <Form.Input label="First Name" placeholder="First Name" />
                    <Form.Input label="First Name" placeholder="Last Name" />
                    <Form.Input label="Phone Number" placeholder="(800) 555-1234" />
                </Form>
            </Collapsible>
            </Card.Section>
        </Card>
    )}
</State>

<State initial={true}>
    {([opened, setOpen]) => (
        <Card>
            <Card.Section>
                <div className="d-f justify-content-between align-items-center">
                    Name
                    <BodyText subdued>(800) 555-1234</BodyText>
                    {
                        opened
                        ? <Button primary small onClick={() => setOpen(!opened)}>Save</Button>
                        : <Button primary small fill="subtle" onClick={() => setOpen(!opened)}>Edit</Button>
                    }
                </div>
            <Collapsible animate open={opened}>
                <Form className="m-t-2">
                    <Form.Input label="First Name" placeholder="First Name" />
                    <Form.Input label="First Name" placeholder="Last Name" />
                    <Form.Input label="Phone Number" placeholder="(800) 555-1234" />
                </Form>
            </Collapsible>
            </Card.Section>
        </Card>
    )}
</State>

<State initial={false}>
    {([opened, setOpen]) => (
        <div>
            <Button full fill="outline" primary onClick={() => setOpen(!opened)}>
                What is Anvil?
            </Button>
            <Collapsible open={opened}>
                <BodyText className="m-t-2">
                    Design guidelines and development tools for building products at ServiceTitan.
                </BodyText>
            </Collapsible>
        </div>
    )}
</State>

<State initial={false}>
    {([opened, setOpened]) => (
        <Card>
            {[1, 2, 3].map((card) => (
                <Card.Section key={card}>
                    <div className="d-f justify-content-between align-items-center">
                        <Headline className="m-0">Section Title {card}</Headline>
                        <Button
                            iconName={card === opened ? "expand_less" : "expand_more"}
                            small
                            fill="subtle"
                            onClick={() => setOpened(opened === card ? 0 : card)}
                        />
                    </div>
                    <Collapsible animate open={card === opened}>
                        <BodyText className="m-t-2">
                            Collapsible content.
                            Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor
                            incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud
                            exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute
                            irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla
                            pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia
                            deserunt mollit anim id est laborum.
                        </BodyText>
                    </Collapsible>
                </Card.Section>
            ))}
        </Card>
    )}
</State>