@import 'variables';
@import 'mixins';

* {
    &,
    &::before,
    &::after {
        box-sizing: border-box;
    }
}

html,
body {
    margin: 0;
    padding: 0;
    background: $body-background-color;
}

html {
    font-size: $font-size-root;
}

body {
    font-family: $font-family-base;
    font-weight: $font-weight-base;
    font-size: $font-size-base;
    line-height: $line-height;
    color: $font-color-base;
    text-rendering: optimizeLegibility;
    letter-spacing: -.01em;
    font-feature-settings: 'liga', 'kern';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    transition: background .6s $easing;

    // handling long text, like URLs
    overflow-wrap: break-word;
    word-wrap: break-word;
    word-break: break-word;

    &.dark {
        background-color: $body-background-color--dark;
        color: $text-color--dark;
    }
}

p,
ul,
ol {
    margin: 0 0 $spacer;
}

p:last-child {
    margin-bottom: 0;
}

// Reset fonts for relevant elements
/////////////////////////////////////

input,
button,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

// Reset default button element
button {
    padding: 0;
    cursor: pointer;
    background: transparent;
    border: 0;
    -webkit-appearance: none;

    &:active {
        transition: none;
        text-shadow: none;
    }
}

// Headings
/////////////////////////////////////

h1,
h2 {
    margin-top: $spacer * $line-height;
    margin-bottom: $spacer * 2;
}

h3,
h4,
h5,
h6 {
    margin-top: $spacer * $line-height;
    margin-bottom: $spacer;
}

h1 {
    font-size: $font-size-h2;

    @media (min-width: $screen-xs) {
        font-size: $font-size-h1;
    }
}

h2 {
    @include heading-band();

    font-size: $font-size-h3;

    @media (min-width: $screen-xs) {
        font-size: $font-size-h2;
    }
}

h3 {
    font-size: $font-size-h4;

    @media (min-width: $screen-xs) {
        font-size: $font-size-h3;
    }
}

h4 {
    font-size: $font-size-h5;

    @media (min-width: $screen-xs) {
        font-size: $font-size-h4;
    }
}

h5 {
    font-size: $font-size-h6;

    @media (min-width: $screen-xs) {
        font-size: $font-size-h5;
    }
}

h6 {
    font-size: $font-size-h6;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: $font-family-headings;
    line-height: $line-height-headings;
    color: $color-headings;
    font-weight: $font-weight-headings;
    letter-spacing: -.02em;

    .dark & {
        color: $color-headings--dark;
    }
}

// Links
/////////////////////////////////////

a {
    color: $link-color;
    text-decoration: none;
    transition: .2s ease-out;

    h1 &,
    h2 &,
    h3 & {
        color: $color-headings;
    }

    &:hover,
    &:focus {
        outline: 0;
        color: lighten($link-color, 10%);
    }

    &:active {
        transition: none;
        color: darken($link-color, 10%);
    }
}

// Responsive Media
/////////////////////////////////////

figure,
img,
svg,
video,
audio,
embed,
canvas,
picture {
    max-width: 100%;
    height: auto;
    margin: 0 auto;
    display: block;
    border-radius: $border-radius;
}

img {
    vertical-align: middle;
}

figcaption {
    font-size: $font-size-small;
    color: $brand-grey;
    font-style: italic;
    text-align: center;
    margin-top: -($spacer / $line-height);
}

// Lists
/////////////////////////////////////

ul {
    li {
        &::before {
            content: ' \2015'; // horizontal bar: ― ―
        }
    }
}

ol {
    counter-reset: ol-counter;

    li {
        &::before {
            content: counter(ol-counter) '.';
            counter-increment: ol-counter;
        }
    }

    ul li::before {
        display: none;
    }
}

ul,
ol {
    margin-top: 0;
    margin-bottom: $spacer;
    padding-left: $spacer;
    list-style: none;

    li {
        position: relative;

        // stylelint-disable no-descending-specificity
        &::before {
            position: absolute;
            left: -($spacer);
            top: -1px;
            color: $text-color-light;
            user-select: none;
        }
        // stylelint-enable no-descending-specificity
    }

    ul,
    ol {
        margin-bottom: 0;
    }
}

// Inline typography
/////////////////////////////////////

b,
strong,
.bold {
    font-weight: 700;
    font-style: normal;
}

em,
.italic {
    font-style: italic;
}

abbr[title],
dfn {
    text-transform: none;
    font-style: normal;
    font-size: inherit;
    border-bottom: 1px dashed $brand-grey-dimmed;
    cursor: help;
    font-feature-settings: inherit;
}

mark {
    background: #fffaab;
    color: $text-color;
}

hr {
    margin: 0;
    border: 0;

    @include divider();
}

// Quotes
/////////////////////////////////////

q {
    font-style: italic;
}

cite {
    font-style: normal;
    text-transform: uppercase;
}

// stylelint-disable no-descending-specificity
blockquote,
blockquote > p {
    font-style: italic;
    color: $brand-grey;
}
// stylelint-enable no-descending-specificity

blockquote {
    margin: 0 0 $spacer;
    position: relative;
    padding-left: $spacer * 1.5;

    // quotation marks
    &::before {
        content: '“';
        font-size: 300%;
        color: lighten($brand-grey-light, 20%);
        position: absolute;
        left: -10px;
        top: -20px;

        @media (min-width: $screen-xs) {
            left: 0;
        }

        @media (min-width: $screen-lg) {
            top: -30px;
        }
    }
}

// Selection
/////////////////////////////////////

::-moz-selection {
    background: #2e4f5c;
    color: #fff;
}

::selection {
    background: #2e4f5c;
    color: #fff;
}

// More basic elements
/////////////////////////////////////

@import 'code';
@import 'buttons';
@import 'alerts';
@import 'content';