/// /// Forty by HTML5 UP /// html5up.net | @ajlkn /// Free for personal and commercial use under the CCA 3.0 license (html5up.net/license) ///

/* Header */

@include keyframes('reveal-header') {
        0% { top: -4em; opacity: 0; }
        100% { top: 0; opacity: 1; }
}
#header {
        @include vendor('display', 'flex');
        background-color: _palette(bg-alt);
        box-shadow: 0 0 0.25em 0 rgba(0,0,0,0.15);
        cursor: default;
        font-weight: _font(weight-bold);
        height: 3.25em;
        left: 0;
        letter-spacing: _font(letter-spacing-alt);
        line-height: 3.25em;
        margin: 0;
        position: fixed;
        text-transform: uppercase;
        top: 0;
        width: 100%;
        z-index: _misc(z-index-base);
        .logo {
                border: 0;
                display: inline-block;
                font-size: 0.8em;
                height: inherit;
                line-height: inherit;
                padding: 0 1.5em;
                strong {
                        @include vendor('transition', (
                                'background-color #{_duration(transition)} ease-in-out',
                                'color #{_duration(transition)} ease-in-out'
                        ));
                        background-color: _palette(fg-bold);
                        color: _palette(bg);
                        display: inline-block;
                        line-height: 1.65em;
                        margin-right: 0.325em;
                        padding: 0 0.125em 0 (_font(letter-spacing-alt) + 0.125em);
                }
                &:hover {
                        strong {
                                background-color: _palette(highlight);
                        }
                }
                &:active {
                        strong {
                                background-color: desaturate(darken(_palette(highlight), 15), 5);
                        }
                }
        }
        nav {
                @include vendor('display', 'flex');
                @include vendor('justify-content', 'flex-end');
                @include vendor('flex-grow', '1');
                height: inherit;
                line-height: inherit;
                a {
                        border: 0;
                        display: block;
                        font-size: 0.8em;
                        height: inherit;
                        line-height: inherit;
                        padding: 0 0.75em;
                        position: relative;
                        vertical-align: middle;
                        &:last-child {
                                padding-right: 1.5em;
                        }
                        &[href="#menu"] {
                                padding-right: 3.325em !important;
                                &:before, &:after {
                                        background-image: svg-url('<svg xmlns="http://www.w3.org/2000/svg" width="24" height="32" viewBox="0 0 24 32" preserveAspectRatio="none"><style>line { stroke-width: 2px; stroke: #{_palette(fg-bold)}; }</style><line x1="0" y1="11" x2="24" y2="11" /><line x1="0" y1="21" x2="24" y2="21" /><line x1="0" y1="16" x2="24" y2="16" /></svg>');
                                        background-position: center;
                                        background-repeat: no-repeat;
                                        background-size: 24px 32px;
                                        content: '';
                                        display: block;
                                        height: 100%;
                                        position: absolute;
                                        right: 1.5em;
                                        top: 0;
                                        vertical-align: middle;
                                        width: 24px;
                                }
                                &:after {
                                        @include vendor('transition', 'opacity #{_duration(transition)} ease-in-out');
                                        background-image: svg-url('<svg xmlns="http://www.w3.org/2000/svg" width="24" height="32" viewBox="0 0 24 32" preserveAspectRatio="none"><style>line { stroke-width: 2px; stroke: #{_palette(highlight)}; }</style><line x1="0" y1="11" x2="24" y2="11" /><line x1="0" y1="21" x2="24" y2="21" /><line x1="0" y1="16" x2="24" y2="16" /></svg>');
                                        opacity: 0;
                                        z-index: 1;
                                }
                                &:hover, &:active {
                                        &:after {
                                                opacity: 1;
                                        }
                                }
                                &:last-child {
                                        padding-right: 3.875em !important;
                                        &:before, &:after {
                                                right: 2em;
                                        }
                                }
                        }
                }
        }
        &.reveal {
                @include vendor('animation', 'reveal-header 0.35s ease');
        }
        &.alt {
                @include vendor('transition', 'opacity #{_duration(banner)} ease');
                @include vendor('transition-delay', '0.75s');
                @include vendor('animation', 'none');
                background-color: transparent;
                box-shadow: none;
                position: absolute;
                &.style1 { .logo { strong { color: _palette(accent1); } } }
                &.style2 { .logo { strong { color: _palette(accent2); } } }
                &.style3 { .logo { strong { color: _palette(accent3); } } }
                &.style4 { .logo { strong { color: _palette(accent4); } } }
                &.style5 { .logo { strong { color: _palette(accent5); } } }
                &.style6 { .logo { strong { color: _palette(accent6); } } }
        }
        body.is-loading & {
                &.alt {
                        opacity: 0;
                }
        }
        @include breakpoint(xlarge) {
                nav {
                        a {
                                &[href="#menu"] {
                                        padding-right: 3.75em !important;
                                        &:last-child {
                                                padding-right: 4.25em !important;
                                        }
                                }
                        }
                }
        }
        @include breakpoint(large) {
                nav {
                        a {
                                &[href="#menu"] {
                                        padding-right: 4em !important;
                                        &:last-child {
                                                padding-right: 4.5em !important;
                                        }
                                }
                        }
                }
        }
        @include breakpoint(small) {
                height: 2.75em;
                line-height: 2.75em;
                .logo {
                        padding: 0 1em;
                }
                nav {
                        a {
                                padding: 0 0.5em;
                                &:last-child {
                                        padding-right: 1em;
                                }
                                &[href="#menu"] {
                                        padding-right: 3.25em !important;
                                        &:before, &:after {
                                                right: 0.75em;
                                        }
                                        &:last-child {
                                                padding-right: 4em !important;
                                                &:before, &:after {
                                                        right: 1.5em;
                                                }
                                        }
                                }
                        }
                }
        }
        @include breakpoint(xsmall) {
                .logo {
                        span {
                                display: none;
                        }
                }
                nav {
                        a {
                                &[href="#menu"] {
                                        overflow: hidden;
                                        padding-right: 0 !important;
                                        text-indent: 5em;
                                        white-space: nowrap;
                                        width: 5em;
                                        &:before, &:after {
                                                right: 0;
                                                width: inherit;
                                        }
                                        &:last-child {
                                                &:before, &:after {
                                                        width: 4em;
                                                        right: 0;
                                                }
                                        }
                                }
                        }
                }
        }
}