/* stylelint-disable no-descending-specificity */
///
/// Solid State by HTML5 UP
/// html5up.net | @ajlkn
/// Free for personal and commercial use under the CCA 3.0 license (html5up.net/license)
///

/* Header */

#header {
    @include vendor('transition', 'background-color #{_duration(transition)} ease-in-out');
    background-color: transparentize(desaturate(lighten(_palette(bg), 3), 1.5), 0.05);
    height: 3.5em;
    left: 0;
    line-height: 3.5em;
    padding: 0 1.25em;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: _misc(z-index-base);

    h1 {
        @include vendor('transition', (
            'opacity #{_duration(transition)} ease-in-out',
            'visibility #{_duration(transition)}'
        ));
        border-bottom: 0;
        font-size: 0.8em;
        margin-bottom: 0;
        opacity: 1;
        visibility: visible;

        a {
            border: 0;
        }
    }

    nav {
        font-family: _font(family-heading);
        font-size: 0.8em;
        font-weight: _font(weight-heading-bold);
        height: 3em;
        letter-spacing: _font(kern-heading);
        line-height: 3em;
        position: absolute;
        right: 0.7em;
        text-transform: uppercase;
        top: 0.7em;

        a {
            border: 0;
            display: inline-block;
            padding: 0 1em;

            &:before {
                float: right;
                margin-left: 0.75em;
            }

            &[href="#menu"] {
                @include icon(false, solid);
                @include vendor('transition', 'background-color #{_duration(transition)} ease-in-out');
                border-radius: _size(border-radius);
                box-shadow: inset 0 0 0 2px _palette(border);
                padding: 0 1.35em;

                &:before {
                    content: '\f0c9';
                    line-height: inherit;
                }

                &:hover {
                    background-color: _palette(border-bg);
                }

                &:active {
                    background-color: _palette(border2-bg);
                }
            }
        }
    }

    &.alt {
        background-color: transparent;

        h1 {
            opacity: 0;
            visibility: hidden;
        }
    }

    @include breakpoint('<=small') {
        height: 2.75em;
        line-height: 2.75em;

        nav {
            top: 0;
            right: 0;
            height: inherit;
            line-height: inherit;

            a {
                height: inherit;
                line-height: inherit;

                &[href="#menu"] {
                    box-shadow: none;
                    padding: 0 1em;
                    border-radius: 0;

                    &:hover, &:active {
                        background-color: inherit;
                    }
                }
            }
        }
    }

    @include breakpoint('<=xsmall') {
        nav {
            a {
                &[href="#menu"] {
                    width: 4em;
                    white-space: nowrap;
                    text-indent: 4em;
                    position: relative;

                    &:before {
                        width: inherit;
                        position: absolute;
                        top: 0;
                        left: 0;
                        text-indent: 0;
                        text-align: right;
                        margin-left: 0;
                        padding-right: 1.25em;
                    }
                }
            }
        }
    }
}
