@use 'iro-sass/src/index' as iro;
@use '../functions' as fn;

@include iro.props-namespace('heading') {
    @include iro.props-store((
        --dims: (
            --in-page-margin: (
                --top:         fn.global-dim(--spacing --y --lg),
                --top-sibling: fn.global-dim(--spacing --y --md),
                --bottom:      fn.global-dim(--spacing --y --sm),
            ),
        ),
    ), 'dims');

    @include iro.props-store((
        --colors: (
            --light:  fn.global-color(--fg-hi),
            --strong: fn.global-color(--fg-lo),
        ),
    ), 'colors');

    @include iro.bem-object(iro.props-namespace()) {
        @include fn.set-font(--headline);

        display:       block;
        margin-top:    fn.dim(--in-page-margin --top);
        margin-bottom: 0;

        & + & {
            margin-top: fn.dim(--in-page-margin --top-sibling);
        }

        @include iro.bem-modifier('xxl') {
            color:     fn.color(--strong);
            font-size: fn.global-dim(--font-size --xxxl);
        }

        @include iro.bem-modifier('xl') {
            color:     fn.color(--strong);
            font-size: fn.global-dim(--font-size --xxl);
        }

        @include iro.bem-modifier('lg') {
            color:     fn.color(--strong);
            font-size: fn.global-dim(--font-size --xl);
        }

        @include iro.bem-modifier('md') {
            color:     fn.color(--strong);
            font-size: fn.global-dim(--font-size --lg);
        }

        @include iro.bem-modifier('sm') {
            @include fn.set-font(--standard, (--line-height: fn.global-dim(--font --headline --line-height)));

            color:       fn.color(--strong);
            font-size:   fn.global-dim(--font-size --md);
            font-weight: 500;
        }

        @include iro.bem-modifier('xs') {
            @include fn.set-font(--standard, (--line-height: fn.global-dim(--font --headline --line-height)));

            color:          fn.color(--light);
            font-size:      fn.global-dim(--font-size --xs);
            font-weight:    500;
            text-transform: uppercase;
        }
    }
}