// skel.scss v3.0.1 | © skel.io | MIT licensed */

// Vars.

/// Breakpoints. /// @var {list} $breakpoints: () !global;

/// Vendor prefixes. /// @var {list} $vendor-prefixes: (

'-moz-',
'-webkit-',
'-ms-',
''

);

/// Properties that should be vendorized. /// @var {list} $vendor-properties: (

'align-content',
'align-items',
'align-self',
'animation',
'animation-delay',
'animation-direction',
'animation-duration',
'animation-fill-mode',
'animation-iteration-count',
'animation-name',
'animation-play-state',
'animation-timing-function',
'appearance',
'backface-visibility',
'box-sizing',
'filter',
'flex',
'flex-basis',
'flex-direction',
'flex-flow',
'flex-grow',
'flex-shrink',
'flex-wrap',
'justify-content',
'order',
'perspective',
'pointer-events',
'transform',
'transform-origin',
'transform-style',
'transition',
'transition-delay',
'transition-duration',
'transition-property',
'transition-timing-function',
'user-select'

);

/// Values that should be vendorized. /// @var {list} $vendor-values: (

'filter',
'flex',
'linear-gradient',
'radial-gradient',
'transform'

);

// Functions.

/// Removes a specific item from a list. /// @author Hugo Giraudel /// @param {list} $list List. /// @param {integer} $index Index. /// @return {list} Updated list. @function remove-nth($list, $index) {

$result: null;

@if type-of($index) != number {
  @warn "$index: #{quote($index)} is not a number for `remove-nth`.";
}
@else if $index == 0 {
  @warn "List index 0 must be a non-zero integer for `remove-nth`.";
}
@else if abs($index) > length($list) {
  @warn "List index is #{$index} but list is only #{length($list)} item long for `remove-nth`.";
}
@else {
  $result: ();
  $index: if($index < 0, length($list) + $index + 1, $index);

  @for $i from 1 through length($list) {

    @if $i != $index {
      $result: append($result, nth($list, $i));
    }
  }
}

@return $result;

}

/// Replaces a substring within another string. /// @author Hugo Giraudel /// @param {string} $string String. /// @param {string} $search Substring. /// @param {string} $replace Replacement. /// @return {string} Updated string. @function str-replace($string, $search, $replace: '') {

$index: str-index($string, $search);

@if $index {
  @return str-slice($string, 1, $index - 1) + $replace + str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
}

@return $string;

}

/// Replaces a substring within each string in a list. /// @param {list} $strings List of strings. /// @param {string} $search Substring. /// @param {string} $replace Replacement. /// @return {list} Updated list of strings. @function str-replace-all($strings, $search, $replace: '') {

@each $string in $strings {
  $strings: set-nth($strings, index($strings, $string), str-replace($string, $search, $replace));
}

@return $strings;

}

/// Gets a value from a map. /// @author Hugo Giraudel /// @param {map} $map Map. /// @param {string} $keys Key(s). /// @return {string} Value. @function val($map, $keys…) {

@if nth($keys, 1) == null {
  $keys: remove-nth($keys, 1);
}

@each $key in $keys {
  $map: map-get($map, $key);
}

@return $map;

}

// Mixins.

/// Sets the global box model. /// @param {string} $model Model (default is content). @mixin boxModel($model: 'content') {

$x: $model + '-box';

*,
*:before,
*:after {
  -moz-box-sizing: #{$x};
  -webkit-box-sizing: #{$x};
  box-sizing: #{$x};
}

}

/// Wraps @content in a @media block using a given breakpoint. /// @param {string} $breakpoint Breakpoint. /// @param {map} $queries Additional queries. @mixin breakpoint($breakpoint: null, $queries: null) {

$query: 'screen';

// Breakpoint.
@if $breakpoint and map-has-key($breakpoints, $breakpoint) {
  $query: $query + ' and ' + map-get($breakpoints, $breakpoint);
}

// Queries.
@if $queries {
  @each $k, $v in $queries {
    $query: $query + ' and (' + $k + ':' + $v + ')';
  }
}

@media #{$query} {
  @content;
}

}

/// Wraps @content in a @media block targeting a specific orientation. /// @param {string} $orientation Orientation. @mixin orientation($orientation) {

@media screen and (orientation: #{$orientation}) {
  @content;
}

}

/// Utility mixin for containers. /// @param {mixed} $width Width. @mixin containers($width) {

// Locked?
$lock: false;

@if length($width) == 2 {
  $width: nth($width, 1);
  $lock: true;
}

// Modifiers.
.container.\31 25\25          { width: 100%; max-width: $width * 1.25; min-width: $width; }
.container.\37 5\25                   { width: $width * 0.75; }
.container.\35 0\25                   { width: $width * 0.5; }
.container.\32 5\25                   { width: $width * 0.25; }

// Main class.
.container {
  @if $lock {
    width: $width !important;
  }
  @else {
    width: $width;
  }
}

}

/// Utility mixin for grid. /// @param {list} $gutters Column and row gutters (default is 40px). /// @param {string} $breakpointName Optional breakpoint name. @mixin grid($gutters: 40px, $breakpointName: null) {

// Gutters.
@include grid-gutters($gutters);
@include grid-gutters($gutters, \32 00\25, 2);
@include grid-gutters($gutters, \31 50\25, 1.5);
@include grid-gutters($gutters, \35 0\25, 0.5);
@include grid-gutters($gutters, \32 5\25, 0.25);

// Cells.
$x: '';

@if $breakpointName {
  $x: '\\28' + $breakpointName + '\\29';
}

.\31 2u#{$x}, .\31 2u\24#{$x} { width: 100%; clear: none; margin-left: 0; }
.\31 1u#{$x}, .\31 1u\24#{$x} { width: 91.6666666667%; clear: none; margin-left: 0; }
.\31 0u#{$x}, .\31 0u\24#{$x} { width: 83.3333333333%; clear: none; margin-left: 0; }
.\39 u#{$x}, .\39 u\24#{$x} { width: 75%; clear: none; margin-left: 0; }
.\38 u#{$x}, .\38 u\24#{$x} { width: 66.6666666667%; clear: none; margin-left: 0; }
.\37 u#{$x}, .\37 u\24#{$x} { width: 58.3333333333%; clear: none; margin-left: 0; }
.\36 u#{$x}, .\36 u\24#{$x} { width: 50%; clear: none; margin-left: 0; }
.\35 u#{$x}, .\35 u\24#{$x} { width: 41.6666666667%; clear: none; margin-left: 0; }
.\34 u#{$x}, .\34 u\24#{$x} { width: 33.3333333333%; clear: none; margin-left: 0; }
.\33 u#{$x}, .\33 u\24#{$x} { width: 25%; clear: none; margin-left: 0; }
.\32 u#{$x}, .\32 u\24#{$x} { width: 16.6666666667%; clear: none; margin-left: 0; }
.\31 u#{$x}, .\31 u\24#{$x} { width: 8.3333333333%; clear: none; margin-left: 0; }

.\31 2u\24#{$x} + *,
.\31 1u\24#{$x} + *,
.\31 0u\24#{$x} + *,
.\39 u\24#{$x} + *,
.\38 u\24#{$x} + *,
.\37 u\24#{$x} + *,
.\36 u\24#{$x} + *,
.\35 u\24#{$x} + *,
.\34 u\24#{$x} + *,
.\33 u\24#{$x} + *,
.\32 u\24#{$x} + *,
.\31 u\24#{$x} + * {
  clear: left;
}

.\-11u#{$x} { margin-left: 91.6666666667% }
.\-10u#{$x} { margin-left: 83.3333333333% }
.\-9u#{$x} { margin-left: 75% }
.\-8u#{$x} { margin-left: 66.6666666667% }
.\-7u#{$x} { margin-left: 58.3333333333% }
.\-6u#{$x} { margin-left: 50% }
.\-5u#{$x} { margin-left: 41.6666666667% }
.\-4u#{$x} { margin-left: 33.3333333333% }
.\-3u#{$x} { margin-left: 25% }
.\-2u#{$x} { margin-left: 16.6666666667% }
.\-1u#{$x} { margin-left: 8.3333333333% }

}

/// Utility mixin for grid. /// @param {list} $gutters Gutters. /// @param {string} $class Optional class name. /// @param {integer} $multiplier Multiplier (default is 1). @mixin grid-gutters($gutters, $class: null, $multiplier: 1) {

// Expand gutters if it's not a list.
@if length($gutters) == 1 {
  $gutters: ($gutters, 0);
}

// Get column and row gutter values.
$c: nth($gutters, 1);
$r: nth($gutters, 2);

// Get class (if provided).
$x: '';

@if $class {
  $x: '.' + $class;
}

// Default.
.row#{$x} > * { padding: ($r * $multiplier) 0 0 ($c * $multiplier); }
.row#{$x} { margin: ($r * $multiplier * -1) 0 -1px ($c * $multiplier * -1); }

// Uniform.
.row.uniform#{$x} > * { padding: ($c * $multiplier) 0 0 ($c * $multiplier); }
.row.uniform#{$x} { margin: ($c * $multiplier * -1) 0 -1px ($c * $multiplier * -1); }

}

/// Wraps @content in vendorized keyframe blocks. /// @param {string} $name Name. @mixin keyframes($name) {

@-moz-keyframes #{$name} { @content; }
@-webkit-keyframes #{$name} { @content; }
@-ms-keyframes #{$name} { @content; }
@keyframes #{$name} { @content; }

}

/// /// Sets breakpoints. /// @param {map} $x Breakpoints. /// @mixin skel-breakpoints($x: ()) {

$breakpoints: $x !global;

}

/// /// Initializes layout module. /// @param {map} config Config. /// @mixin skel-layout($config: ()) {

// Config.
$configPerBreakpoint: ();

$z: map-get($config, 'breakpoints');

@if $z {
  $configPerBreakpoint: $z;
}

// Reset.
$x: map-get($config, 'reset');

@if $x {
  /* Reset */
  @include reset($x);
}

// Box model.
$x: map-get($config, 'boxModel');

@if $x {
  /* Box Model */
  @include boxModel($x);
}

// Containers.
$containers: map-get($config, 'containers');

@if $containers {
  /* Containers */
  .container {
    margin-left: auto;
    margin-right: auto;
  }

  // Use default is $containers is just "true".
  @if $containers == true {
    $containers: 960px;
  }

  // Apply base.
  @include containers($containers);

  // Apply per-breakpoint.
  @each $name in map-keys($breakpoints) {
    // Get/use breakpoint setting if it exists.
    $x: map-get($configPerBreakpoint, $name);

    // Per-breakpoint config exists?
    @if $x {
      $y: map-get($x, 'containers');

      // Setting exists? Use it.
      @if $y {
        $containers: $y;
      }
    }

    // Create @media block.
    @media screen and #{map-get($breakpoints, $name)} {
      @include containers($containers);
    }
  }
}

// Grid.
$grid: map-get($config, 'grid');

@if $grid {
  /* Grid */

  // Use defaults if $grid is just "true".
  @if $grid == true {
    $grid: ();
  }

  // Sub-setting: Gutters.
  $grid-gutters: 40px;
  $x: map-get($grid, 'gutters');

  @if $x {
    $grid-gutters: $x;
  }

  // Rows.
  .row {
    border-bottom: solid 1px transparent;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
  }

  .row > * {
    float: left;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
  }

  .row:after,
  .row:before {
    content: '';
    display: block;
    clear: both;
    height: 0;
  }

  .row.uniform > * > :first-child {
    margin-top: 0;
  }

  .row.uniform > * > :last-child {
    margin-bottom: 0;
  }

  // Gutters (0%).
  @include grid-gutters($grid-gutters, \30 \25, 0);

  // Apply base.
  @include grid($grid-gutters);

  // Apply per-breakpoint.
  @each $name in map-keys($breakpoints) {
    // Get/use breakpoint setting if it exists.
    $x: map-get($configPerBreakpoint, $name);

    // Per-breakpoint config exists?
    @if $x {
      $y: map-get($x, 'grid');

      // Setting exists?
      @if $y {

        // Sub-setting: Gutters.
        $x: map-get($y, 'gutters');

        @if $x {
          $grid-gutters: $x;
        }
      }
    }

    // Create @media block.
    @media screen and #{map-get($breakpoints, $name)} {
      @include grid($grid-gutters, $name);
    }
  }
}

}

/// Resets browser styles. /// @param {string} $mode Mode (default is 'normalize'). @mixin reset($mode: 'normalize') {

@if $mode == 'normalize' {
  // normalize.css v3.0.2 | MIT License | git.io/normalize
  html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0}article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block;vertical-align:baseline}audio:not([controls]){display:none;height:0}[hidden],template{display:none}a{background-color:transparent}a:active,a:hover{outline:0}abbr[title]{border-bottom:1px dotted}b,strong{font-weight:700}dfn{font-style:italic}h1{font-size:2em;margin:.67em 0}mark{background:#ff0;color:#000}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sup{top:-.5em}sub{bottom:-.25em}img{border:0}svg:not(:root){overflow:hidden}figure{margin:1em 40px}hr{-moz-box-sizing:content-box;box-sizing:content-box;height:0}pre{overflow:auto}code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}button,input,optgroup,select,textarea{color:inherit;font:inherit;margin:0}button{overflow:visible}button,select{text-transform:none}button,html input[type=button],input[type=reset],input[type=submit]{-webkit-appearance:button;cursor:pointer}button[disabled],html input[disabled]{cursor:default}button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}input{line-height:normal}input[type=checkbox],input[type=radio]{box-sizing:border-box;padding:0}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{height:auto}input[type=search]{-webkit-appearance:textfield;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;box-sizing:content-box}input[type=search]::-webkit-search-cancel-button,input[type=search]::-webkit-search-decoration{-webkit-appearance:none}fieldset{border:1px solid silver;margin:0 2px;padding:.35em .625em .75em}legend{border:0;padding:0}textarea{overflow:auto}optgroup{font-weight:700}table{border-collapse:collapse;border-spacing:0}td,th{padding:0}
}
@else if $mode == 'full' {
  // meyerweb.com/eric/tools/css/reset v2.0 | 20110126 | License: none (public domain)
  html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline;}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block;}body{line-height:1;}ol,ul{list-style:none;}blockquote,q{quotes:none;}blockquote:before,blockquote:after,q:before,q:after{content:'';content:none;}table{border-collapse:collapse;border-spacing:0;}body{-webkit-text-size-adjust:none}
}

}

/// Vendorizes a declaration's property and/or value(s). /// @param {string} $property Property. /// @param {mixed} $value String/list of value(s). @mixin vendor($property, $value) {

// Determine if property should expand.
$expandProperty: index($vendor-properties, $property);

// Determine if value should expand (and if so, add '-prefix-' placeholder).
$expandValue: false;

@each $x in $value {
  @each $y in $vendor-values {
    @if $y == str-slice($x, 1, str-length($y)) {

      $value: set-nth($value, index($value, $x), '-prefix-' + $x);
      $expandValue: true;
    }
  }
}

// Expand property?
@if $expandProperty {
  @each $vendor in $vendor-prefixes {
    #{$vendor}#{$property}: #{str-replace-all($value, '-prefix-', $vendor)};
  }
}

// Expand just the value?
@elseif $expandValue {
  @each $vendor in $vendor-prefixes {
    #{$property}: #{str-replace-all($value, '-prefix-', $vendor)};
  }
}

// Neither? Treat them as a normal declaration.
@else {
  #{$property}: #{$value};
}

}