@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((
        --colors: (
            --light:  fn.global-color(--fg-hi),
            --strong: fn.global-color(--fg-lo),
            --bg:     fn.global-color(--bg-hi),
        ),
    ), 'colors');

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

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

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

        @include iro.bem-modifier('xxl') {
            color:     fn.color(--strong);
            font-size: fn.global-dim(--font-size --900);
        }

        @include iro.bem-modifier('xl') {
            color:     fn.color(--strong);
            font-size: fn.global-dim(--font-size --600);
        }

        @include iro.bem-modifier('lg') {
            color:     fn.color(--strong);
            font-size: fn.global-dim(--font-size --300);
        }

        @include iro.bem-modifier('md') {
            color:     fn.color(--strong);
            font-size: fn.global-dim(--font-size --150);
        }

        @include iro.bem-modifier('sm') {
            @include mx.set-font(--standard, (
                --line-height: null,
                --size:        fn.global-dim(--font-size --75),
                --weight:      bold,
                --transform:   uppercase,
                --spacing:     1px
            ));

            color: fn.color(--strong);
        }

        @include iro.bem-modifier('xs') {
            @include mx.set-font(--standard, (
                --line-height: null,
                --size:        fn.global-dim(--font-size --50),
                --weight:      500,
                --transform:   uppercase,
                --spacing:     1px
            ));

            color: fn.color(--light);
        }

        @include iro.bem-elem('primary') {
            background-image: linear-gradient(
                to top,
                transparent .15em,
                fn.color(--bg) .15em,
                fn.color(--bg) .6em,
                transparent .6em
            );
        }
    }
}