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

@include iro.props-namespace('heading') {
    @include iro.props-store((
        --dims: (
            --offset: -.02em,
        )
    ), 'dims');

    @include iro.props-store((
        --colors: (
            --light:  fn.global-color(--fg-hi),
            --strong: fn.global-color(--fg-lo),
            --bg:     fn.global-color(--bg-hi2),
        ),
    ), 'colors');

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

        display:        block;
        margin-top:     fn.global-dim(--heading --margin-top);
        transform:      translateX(fn.dim(--offset));
        letter-spacing: normal;
        text-transform: none;

        & + & {
            margin-top: fn.global-dim(--heading --margin-top-sibling);
        }

        @include iro.bem-elem('highlight') {
            background-image: linear-gradient(
                to top,
                transparent .05em,
                fn.color(--bg) .05em,
                fn.color(--bg) .5em,
                transparent .5em
            );
        }

        @include iro.bem-modifier('xxl') {
            @include mx.heading-strong(--lg);
        }

        @include iro.bem-modifier('xl') {
            @include mx.heading-medium(--md);
        }

        @include iro.bem-modifier('lg', 'md', 'sm', 'xs') {
            @include mx.heading-faint(--sm);
        }

        @include iro.bem-modifier('display') {
            @include mx.set-font(--headline);

            @include iro.bem-modifier('xxl') {
                @include mx.heading-strong(--display --xxl);
            }
    
            @include iro.bem-modifier('xl') {
                @include mx.heading-strong(--display --xl);
            }
    
            @include iro.bem-modifier('lg') {
                @include mx.heading-strong(--display --lg);
            }
    
            @include iro.bem-modifier('md') {
                @include mx.heading-strong(--display --md);
            }
    
            @include iro.bem-modifier('sm') {
                @include mx.heading-medium(--display --sm);
            }
    
            @include iro.bem-modifier('xs') {
                @include mx.heading-faint(--display --xs);
            }
        }
    }
}