/* ADDS A BROWSER PREFIX TO THE PROPERTY */
@mixin css3-prefix($property, $value) {
    -webkit-#{$property}: #{$value};
    -khtml-#{$property}: #{$value};
    -moz-#{$property}: #{$value};
    -ms-#{$property}: #{$value};
    -o-#{$property}: #{$value};
    #{$property}: #{$value};
}

/* BACKGROUND GRADIENT */
@mixin background-gradient($startColor: #3C3C3C, $endColor: #999999) {
    background-color: $startColor;
    background-image: -webkit-gradient(linear, left top, left bottom, from($startColor), to($endColor));
    background-image: -webkit-linear-gradient(top, $startColor, $endColor);
    background-image:    -moz-linear-gradient(top, $startColor, $endColor);
    background-image:     -ms-linear-gradient(top, $startColor, $endColor);
    background-image:      -o-linear-gradient(top, $startColor, $endColor);
    background-image:         linear-gradient(top, $startColor, $endColor);
    filter:            progid:DXImageTransform.Microsoft.gradient(startColorStr='#{$startColor}', endColorStr='#{$endColor}');
}

/* BACKGROUND HORIZONTAL */
@mixin background-horizontal($startColor: #3C3C3C, $endColor: #999999) {
    background-color: $startColor;
    background-image: -webkit-gradient(linear, left top, right top, from($startColor), to($endColor));
    background-image: -webkit-linear-gradient(left, $startColor, $endColor);
    background-image:    -moz-linear-gradient(left, $startColor, $endColor);
    background-image:     -ms-linear-gradient(left, $startColor, $endColor);
    background-image:      -o-linear-gradient(left, $startColor, $endColor);
    background-image:         linear-gradient(left, $startColor, $endColor);
    filter:            progid:DXImageTransform.Microsoft.gradient(startColorStr='#{$startColor}', endColorStr='#{$endColor}', gradientType='1');
}

/* BACKGROUND RADIAL */
@mixin background-radial($startColor: #FFFFFF, $startPos: 0%, $endColor: #000000, $endPos:100%) {
    background: -moz-radial-gradient(center, ellipse cover, $startColor $startPos, $endColor $endPos);
    background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop($startPos,$startColor), color-stop($endPos,$endColor));
    background: -webkit-radial-gradient(center, ellipse cover, $startColor $startPos,$endColor $endPos);
    background: -o-radial-gradient(center, ellipse cover, $startColor $startPos,$endColor $endPos);
    background: -ms-radial-gradient(center, ellipse cover, $startColor $startPos,$endColor $endPos);
    background: radial-gradient(ellipse at center, $startColor $startPos,$endColor $endPos);
}

/* BACKGROUND SIZE */
@mixin background-size($width: 100%, $height: $width) {
    @if type-of($width) == 'number' and $height != null {
        @include css3-prefix('background-size', $width $height);
    } @else {
        @include css3-prefix('background-size', $width);
    }
}

/* BACKGROUND COLOR OPACITY */
@mixin background-opacity($color: #000, $opacity: 0.85) {
    background: $color;
    background: rgba($color, $opacity);
}

/* BORDER RADIUS */
@mixin border-radius($radius: 5px) {
    @include css3-prefix('border-radius', $radius);
}

@mixin border-radius-separate($topLeftRadius: 5px, $topRightRadius: 5px, $bottomLeftRadius: 5px, $bottomRightRadius: 5px) {
    -webkit-border-top-left-radius:     $topLeftRadius;
    -webkit-border-top-right-radius:    $topRightRadius;
    -webkit-border-bottom-right-radius: $bottomRightRadius;
    -webkit-border-bottom-left-radius:  $bottomLeftRadius;

    -moz-border-radius-topleft:     $topLeftRadius;
    -moz-border-radius-topright:    $topRightRadius;
    -moz-border-radius-bottomright: $bottomRightRadius;
    -moz-border-radius-bottomleft:  $bottomLeftRadius;

    border-top-left-radius:     $topLeftRadius;
    border-top-right-radius:    $topRightRadius;
    border-bottom-right-radius: $bottomRightRadius;
    border-bottom-left-radius:  $bottomLeftRadius;
}

/* BOX */
@mixin box($orient: horizontal, $pack: center, $align: center) {
    display: -webkit-box;
    display: -moz-box;
    display: box;

    @include css3-prefix('box-orient', $orient);
    @include css3-prefix('box-pack', $pack);
    @include css3-prefix('box-align', $align);
}

/* BOX RGBA */
@mixin box-rgba($r: 60, $g: 3, $b: 12, $opacity: 0.23, $color: #3C3C3C) {
    background-color: transparent;
    background-color: rgba($r, $g, $b, $opacity);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#{$color}',endColorstr='#{$color}');
    zoom:   1;
}

@mixin appearance( $value ) {
    -webkit-appearance: $value;
    -moz-appearance: $value;
    appearance: $value;
}


/* BOX SHADOW */
@mixin box-shadow($x: 2px, $y: 2px, $blur: 5px, $color: rgba(0,0,0,.4), $inset: "") {
    @if ($inset != "") {
        @include css3-prefix('box-shadow', $inset $x $y $blur $color);
    } @else {
        @include css3-prefix('box-shadow', $x $y $blur $color);
    }
}

/* BOX SIZING */
@mixin box-sizing($type: border-box) {
    @include css3-prefix('box-sizing', $type);
}

/* COLUMNS */
@mixin columns($count: 3, $gap: 10) {
    @include css3-prefix('column-count', $count);
    @include css3-prefix('column-gap', $gap);
}

/* DOUBLE BORDERS */
@mixin double-borders($colorOne: #3C3C3C, $colorTwo: #999999, $radius: 0) {
    border: 1px solid $colorOne;

    @include css3-prefix('box-shadow', 0 0 0 1px $colorTwo);

    @include border-radius( $radius );
}

/* FLEX */
@mixin flex($value: 1) {
    @include css3-prefix('box-flex', $value);
}

/* FLIP */
@mixin flip($scaleX: -1) {
    @include css3-prefix('transform', scaleX($scaleX));
    filter:            FlipH;
    -ms-filter:        "FlipH";
}

/* FONT FACE */
@mixin font-face($fontFamily: myFont, $eotFileSrc: 'myFont.eot', $woffFileSrc: 'myFont.woff', $ttfFileSrc: 'myFont.ttf') {
    font-family: $fontFamily;
    src: url($eotFileSrc)  format('eot'),
    url($woffFileSrc) format('woff'),
    url($ttfFileSrc)  format('truetype');
}

/* OPACITY */
@mixin opacity($opacity: 0.5) {
    $opacityMultiplied: ($opacity * 100);

    filter:         alpha(opacity=$opacityMultiplied);
    -ms-filter:     "progid:DXImageTransform.Microsoft.Alpha(Opacity=" + $opacityMultiplied + ")";
    @include css3-prefix('opacity', $opacity);
}


/* OUTLINE RADIUS */
@mixin outline-radius($radius: 5px) {
    @include css3-prefix('outline-radius', $radius);
}

/* RESIZE */
@mixin resize($direction: both) {
    @include css3-prefix('resize', $direction);
}

/* ROTATE*/
@mixin rotate($deg: 0, $m11: 0, $m12: 0, $m21: 0, $m22: 0) {
    @include css3-prefix('transform', rotate($deg + deg));
    filter: progid:DXImageTransform.Microsoft.Matrix(
                  M11=#{$m11}, M12=#{$m12}, M21=#{$m21}, M22=#{$m22}, sizingMethod='auto expand');
    zoom: 1;
}

/* TEXT SHADOW */
@mixin text-shadow($x: 2px, $y: 2px, $blur: 5px, $color: rgba(0,0,0,.4)) {
    text-shadow: $x $y $blur $color;
}

/* TRANSFORM  */
@mixin transform($params) {
    @include css3-prefix('transform', $params);
}

/* TRANSFORM STYLE */
@mixin transform-style($style: preserve-3d) {
    @include css3-prefix('transform-style', $style);
}

/* TRANSITION */
@mixin transition($properties...) {

    @if length($properties) >= 1 {
        @include css3-prefix('transition', $properties);
    }

    @else {
        @include css3-prefix('transition', $what: all, $length: 1s, $easing: ease-in-out);
    }
}

/* TRIPLE BORDERS */
@mixin triple-borders($colorOne: #3C3C3C, $colorTwo: #999999, $colorThree: #000000, $radius: 0) {
    border: 1px solid $colorOne;

    @include border-radius($radius);

    @include css3-prefix('box-shadow', 0 0 0 1px $colorTwo, 0 0 0 2px $colorThree);
}

/* KEYFRAMES */
@mixin keyframes($animation-name) {
    @-webkit-keyframes #{$animation-name} {
        @content;
    }
    @-moz-keyframes #{$animation-name} {
        @content;
    }
    @-ms-keyframes #{$animation-name} {
        @content;
    }
    @-o-keyframes #{$animation-name} {
        @content;
    }
    @keyframes #{$animation-name} {
        @content;
    }
}

/* ANIMATION */
@mixin animation($str) {
    @include css3-prefix('animation', $str);
}

@mixin transition-link { @include transition(.4s); }
@mixin shadow { @include box-shadow(0 1px 2px 0 rgba(0,0,0,.15)); }
@mixin shadow-small { @include box-shadow(0 1px 1px 0 rgba(0,0,0,.1)); }
@mixin transition-effect { @include transition( all 0.6s cubic-bezier(0.52,0,0.24,1) 0s ); }

$phone:         600px;
$table:         768px;
$small_desktop: 992px;

@mixin for($media) {
    @if $media == small-screens {
        @media screen and (min-width: $phone) { @content; }
    }
    @else if $media == medium-screens {
        @media screen and (min-width: $table) { @content; }
    }
    @else if $media == large-screens {
        @media screen and (min-width: $small_desktop) { @content; }
    }
}

/* Define */
$font_open_san: "Open Sans",Arial,Helvetica,sans-serif;
$font_lato: "Lato",Arial,Helvetica,sans-serif;
