/**
 * Main styles of reveal.js 
 *
 * @author Hakim El Hattab
 */


/*********************************************
 * FONT-FACE DEFINITIONS
 *********************************************/

@font-face {
	font-family: 'League Gothic';
	src: url('../assets/fonts/leaguegothic/league_gothic-webfont.ttf') format('truetype');
	font-weight: normal;
	font-style: normal;
}


/*********************************************
 * GLOBAL STYLES
 *********************************************/

html, body {
	position: relative;
	padding: 0;
	margin: 0;
	overflow-x: hidden;
	overflow-y: auto;
	
	font-family: 'Lato', Times, 'Times New Roman', serif;
	font-size: 36px;
	font-weight: 200;
	letter-spacing: -0.02em;
	
	background: #111;
	color: #eee;
	
	width: 100%;
	height: 100%;

	min-height: 600px;

	background: #555a5f;
	background: -moz-radial-gradient(center, ellipse cover, #555a5f 0%, #1c1e20 100%);
	background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%,#555a5f), color-stop(100%,#1c1e20));
	background: -webkit-radial-gradient(center, ellipse cover, #555a5f 0%,#1c1e20 100%);
	background: -o-radial-gradient(center, ellipse cover, #555a5f 0%,#1c1e20 100%);
	background: -ms-radial-gradient(center, ellipse cover, #555a5f 0%,#1c1e20 100%);
	background: radial-gradient(center, ellipse cover, #555a5f 0%,#1c1e20 100%);
}


/*********************************************
 * HEADERS
 *********************************************/
h1, h2, h3, h4 {
	margin: 0 0 20px 0;
	
	color: #eee;
	
	font-family: 'League Gothic', sans-serif;
	line-height: 0.9em;
	letter-spacing: 0.02em;
	
	text-transform: uppercase;
	text-shadow: 0px 0px 6px rgba(0,0,0,0.2);
}

h1 { font-size: 136px; 	}
h2 { font-size: 76px;	}
h3 { font-size: 56px;	}
h4 { font-size: 36px;	}

h1.inverted,
h2.inverted,
h3.inverted,
h4.inverted {
	color: #fff;
	text-shadow: 0px 0px 2px rgba(0,0,0,0.2);
}

h1 {
	text-shadow: 0 1px 0 #ccc,
               0 2px 0 #c9c9c9,
               0 3px 0 #bbb,
               0 4px 0 #b9b9b9,
               0 5px 0 #aaa,
               0 6px 1px rgba(0,0,0,.1),
               0 0 5px rgba(0,0,0,.1),
               0 1px 3px rgba(0,0,0,.3),
               0 3px 5px rgba(0,0,0,.2),
               0 5px 10px rgba(0,0,0,.25),
               0 20px 20px rgba(0,0,0,.15);
}


/*********************************************
 * SLIDES
 *********************************************/
#main {
	position: absolute;
	width: 900px;
	height: 600px;
	
	left: 50%;
	top: 50%;
	margin-left: -450px;
	margin-top: -320px;
	padding: 20px 0px;
	
	text-align: center;
	
	-webkit-perspective: 600px;
	   -moz-perspective: 600px;
	        perspective: 600px;

 	-webkit-perspective-origin: 50% 25%;
 	   -moz-perspective-origin: 50% 25%;
 	        perspective-origin: 50% 25%;
}

#main>section,
#main>section>section {
	display: none;
	
	position: absolute;
	width: 100%;
	min-height: 600px;
	
	-webkit-transform-style: preserve-3d;
	   -moz-transform-style: preserve-3d;
	        transform-style: preserve-3d;
	
	-webkit-transition: all 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985); 
	   -moz-transition: all 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985); 
	     -o-transition: all 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985); 
	        transition: all 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
}

#main section.present {
	display: block;
    position: absolute;
    z-index: 10;
}


/*********************************************
 * DEFAULT THEME
 *********************************************/

#main section.past {
	display: block;
	opacity: 0;
	
	-webkit-transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0);
	   -moz-transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0);
	        transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0);
}

#main section.future {
	display: block;
	opacity: 0;
	
	-webkit-transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0);
	   -moz-transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0);
	        transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0);
}

#main section>section.past {
	display: block;
	opacity: 0;
	
	-webkit-transform: translate3d(0, -50%, 0) rotateX(70deg) translate3d(0, -50%, 0);
	   -moz-transform: translate3d(0, -50%, 0) rotateX(70deg) translate3d(0, -50%, 0);
	        transform: translate3d(0, -50%, 0) rotateX(70deg) translate3d(0, -50%, 0);
}
#main section>section.future {
	display: block;
	opacity: 0;
	
	-webkit-transform: translate3d(0, 50%, 0) rotateX(-70deg) translate3d(0, 50%, 0);
	   -moz-transform: translate3d(0, 50%, 0) rotateX(-70deg) translate3d(0, 50%, 0);
	        transform: translate3d(0, 50%, 0) rotateX(-70deg) translate3d(0, 50%, 0);
}


/*********************************************
 * CONCAVE THEME
 *********************************************/

.concave #main>section.past {
	-webkit-transform: translate3d(-100%, 0, 0) rotateY(90deg) translate3d(-100%, 0, 0);
	   -moz-transform: translate3d(-100%, 0, 0) rotateY(90deg) translate3d(-100%, 0, 0);
	        transform: translate3d(-100%, 0, 0) rotateY(90deg) translate3d(-100%, 0, 0);
}

.concave #main>section.future {
	-webkit-transform: translate3d(100%, 0, 0) rotateY(-90deg) translate3d(100%, 0, 0);
	   -moz-transform: translate3d(100%, 0, 0) rotateY(-90deg) translate3d(100%, 0, 0);
	        transform: translate3d(100%, 0, 0) rotateY(-90deg) translate3d(100%, 0, 0);
}

.concave #main section>section.past {
	-webkit-transform: translate3d(0, -80%, 0) rotateX(-70deg) translate3d(0, -80%, 0);
	   -moz-transform: translate3d(0, -80%, 0) rotateX(-70deg) translate3d(0, -80%, 0);
	        transform: translate3d(0, -80%, 0) rotateX(-70deg) translate3d(0, -80%, 0);
}
.concave #main section>section.future {
	-webkit-transform: translate3d(0, 80%, 0) rotateX(70deg) translate3d(0, 80%, 0);
	   -moz-transform: translate3d(0, 80%, 0) rotateX(70deg) translate3d(0, 80%, 0);
	        transform: translate3d(0, 80%, 0) rotateX(70deg) translate3d(0, 80%, 0);
}


/*********************************************
 * LINEAR THEME
 *********************************************/

.linear #main>section.past {
	-webkit-transform: translate3d(-100%, 0, 0);
	   -moz-transform: translate3d(-100%, 0, 0);
	        transform: translate3d(-100%, 0, 0);
}

.linear #main>section.future {
	-webkit-transform: translate3d(100%, 0, 0);
	   -moz-transform: translate3d(100%, 0, 0);
	        transform: translate3d(100%, 0, 0);
}

.linear #main section>section.past {
	-webkit-transform: translate3d(0, -100%, 0);
	   -moz-transform: translate3d(0, -100%, 0);
	        transform: translate3d(0, -100%, 0);
}
.linear #main section>section.future {
	-webkit-transform: translate3d(0, 100%, 0);
	   -moz-transform: translate3d(0, 100%, 0);
	        transform: translate3d(0, 100%, 0);
}


/*********************************************
 * VIEW FRAGMENTS
 *********************************************/

#main section .fragment {
	opacity: 0;

	-webkit-transition: all .2s ease;
	   -moz-transition: all .2s ease;
	     -o-transition: all .2s ease;
	        transition: all .2s ease;
}
	#main section .fragment.visible {
		opacity: 1;
	}


/*********************************************
 * DEFAULT ELEMENT STYLES
 *********************************************/

#main>section {
	line-height: 1.2em;
	font-weight: normal;
}

strong, b {
	font-weight: bold;
}

em, i {
	font-style: italic;
}

ol, ul {
	display: inline-block;

	text-align: left;
	margin: 0 auto;
}

ol {
	list-style: decimal;
	list-style-position: inside;
}

ul {
	list-style: disc;
}

p {
	margin-bottom: 10px;
}

blockquote {
	display: block;
	position: relative;
	width: 70%;
	margin: 5px auto;
	padding: 5px;
	
	font-style: italic;
	background: rgba(255, 255, 255, 0.05);
	box-shadow: 0px 0px 2px rgba(0,0,0,0.2);
}
	blockquote:before {
		content: '“';
	}
	blockquote:after {
		content: '”';
	}

pre {
	display: block;
	position: relative;
	width: 90%;
	margin: 10px auto;

	text-align: left;
	font-size: 14px;
	font-family: monospace;
	line-height: 1.1em;

	word-wrap: break-word;

	box-shadow: 0px 0px 6px rgba(0,0,0,0.3);
}

code {
	font-family: monospace;
}

small {
	font-size: 60%;
}

q {	
	font-style: italic;
}
	q:before {
		content: '“';
	}
	q:after {
		content: '”';
	}

a:not(.image) {
	color: hsl(185, 85%, 50%);
	text-decoration: none;

	-webkit-transition: all .2s ease;
	   -moz-transition: all .2s ease;
	     -o-transition: all .2s ease;
	        transition: all .2s ease;
}
	
	a:not(.image):hover {
		color: hsl(185, 85%, 70%);
		background: hsla(185, 25%, 20%, 0.4);
		text-shadow: none;
		border: none;
		border-radius: 2px;
	}

img {
	margin: 30px 0 0 0;
	background: rgba(255,255,255,0.12);
	border: 4px solid #eee;
	
	-webkit-box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
	   -moz-box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
	     -o-box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
	        box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
	
	-webkit-transition: all .2s linear;
	   -moz-transition: all .2s linear;
	     -o-transition: all .2s linear;
	        transition: all .2s linear;
}

	a.image:hover img {
		background: rgba(255,255,255,0.2);
		border-color: #13DAEC;
		
		-webkit-box-shadow: 0 0 20px rgba(0, 0, 0, 0.55);
		   -moz-box-shadow: 0 0 20px rgba(0, 0, 0, 0.55);
		     -o-box-shadow: 0 0 20px rgba(0, 0, 0, 0.55);
		        box-shadow: 0 0 20px rgba(0, 0, 0, 0.55);
	}


/*********************************************
 * CONTROLS
 *********************************************/

.controls {
	display: none;
	position: fixed;
	width: 100px;
	height: 100px;

	right: 0;
	bottom: 0;
}
	
	.controls a {
		font-size: 30px;
		position: absolute;
		opacity: 0.1;
		color: #fff;
	}
		.controls a.enabled {
			opacity: 0.6;
			color: hsl(185, 85%, 70%);

			text-shadow: 0px 0px 2px hsla(185, 45%, 70%, 0.3);
		}
		.controls a.enabled:active {
			margin-top: 1px;
		}

	.controls .left {
		top: 30px;
	}

	.controls .right {
		left: 60px;
		top: 30px;
	}

	.controls .up {
		left: 30px;
	}

	.controls .down {
		left: 30px;
		top: 60px;

	}

/*********************************************
 * ROLLING LINKS
 *********************************************/

.roll {
    display: inline-block;
    overflow: hidden;

    vertical-align: top;

    -webkit-perspective: 400px;
       -moz-perspective: 400px;
            perspective: 400px;

    -webkit-perspective-origin: 50% 50%;
       -moz-perspective-origin: 50% 50%;
            perspective-origin: 50% 50%;
}
	.roll:hover {
		background: none;
		text-shadow: none;
	}
.roll span {
    display: block;
    position: relative;
    padding: 0 2px;

	pointer-events: none;

    -webkit-transition: all 400ms ease;
       -moz-transition: all 400ms ease;
            transition: all 400ms ease;
    
    -webkit-transform-origin: 50% 0%;
       -moz-transform-origin: 50% 0%;
            transform-origin: 50% 0%;
    
    -webkit-transform-style: preserve-3d;
       -moz-transform-style: preserve-3d;
            transform-style: preserve-3d;
}
    .roll:hover span {
        background: rgba(0,0,0,0.5);

        -webkit-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
           -moz-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
                transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
    }
.roll span:after {
    content: attr(data-title);

    display: block;
    position: absolute;
    left: 0;
    top: 0;
    padding: 0 2px;

    color: #fff;
    background: hsl(185, 60%, 35%);

    -webkit-transform-origin: 50% 0%;
       -moz-transform-origin: 50% 0%;
            transform-origin: 50% 0%;

    -webkit-transform: translate3d( 0px, 105%, 0px ) rotateX( -90deg );
       -moz-transform: translate3d( 0px, 105%, 0px ) rotateX( -90deg );
            transform: translate3d( 0px, 105%, 0px ) rotateX( -90deg );
}