/* RESET
/* ---------------------------------------------------------------------- */
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, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	vertical-align: baseline;
}
ol, ul {
	list-style: none;
}

/* apply a natural box layout model to all divs  >IE7 */
div { 
	-moz-box-sizing: border-box; 
	-webkit-box-sizing: border-box; 
	box-sizing: border-box; 
}

/* SELF-CLEARING FLOATS 
/* ---------------------------------------------------------------------- */
.section:after {
	content: ".";
	display: block;
	height: 0;
	clear: both;
	visibility: hidden;
}

.section {
	zoom: 1;
}

/* BASE STYLES 
/* ---------------------------------------------------------------------- */

html {
	overflow: hidden;
}

html, body {
	height:100%;
} 

body {
	background: #000;
	-webkit-font-smoothing: antialiased; 
}

img {
	max-width: 100%;  /* for flexible images (ok for >ie6) */
	height: auto;
	-ms-interpolation-mode: bicubic; /* improves rendering quality of sized images, ≥ ie7 */
}

a, a:visited, a:active {
	color: #000;
	text-decoration: none;
}

a:hover {
	color: #666;
}

.content, img, div
{
   user-select: none;
   -o-user-select:none;
   -moz-user-select: none;
   -khtml-user-select: none;
   -webkit-user-select: none;
}

.full-height {
	height:100%;
}

h1, h2, h3, h4, li, span, p {
	cursor:default;
}

a > span {
    cursor: hand; 
	cursor: pointer;
}

/* Views - common styles
/* ---------------------------------------------------------------------- */

/* outer wrapper for each content unit.
   Screen filling background should be aplied to it.
   The view contains always the square
*/
.view {
	width:100%;
	position: absolute;
	left:-1000px;
	min-height: 100%; 
	height:auto;
	z-index: 100;
	background: #fefefe;
	overflow: hidden;
	visibility: hidden;
}

/* container holding a window filling background for view. Aspect ratio is defined in config.js. */
.view-background {
	display:block;
	position: absolute; /* this is set to 'fixed' by javascript for non touch screens. On touch screens fixed background causes flickering effects */
	top:0;
	left:0;
	max-width: none;	
}

/* square wich holds the always visible content
   The square is reside to match browser window dimensions
   The upper left corner is the 0,0 origin to which image-boxes relate to
*/
.square {
	margin-left: auto;
	margin-right: auto;
	width:640px;
	height:640px;
	position: relative;
	padding-top: 1px; /* to avoid collapsing vertical margins, when inner container has top-margin */
	/*background-color: rgba(0,0,0,0.15);*/
	/*border: 1px solid #00a; */
	/*background-image: url(../img/layouts/grid-square.gif);*/
}

.layer {
	display: block; 
	visibility: hidden;
	position:absolute;
	background-color: white;
	/*background-image: url(../img/layouts/grid-square.gif);*/
}

/* image-boxes are for additional images in- and outside of the square */
.image-box {
	position:absolute;
}

/* content of a square */
.content {
	padding-top: 1px; /* important to avoid collapsing vertical margins with parent div */
	position:relative;
	top:0;
	left:0;
}

.layer .content {
	padding: 5% 10% 5% 5%;
	padding-top: 15.5%;
}

.spinner {
	position: absolute;
	top: 57.5%;
	text-align: center;
	width: 100%;	
}

/* general GUI elements
/* ---------------------------------------------------------------------- */

#splash {
	position: absolute;
	left:0;
	top:0;
	width: 100%;
	height: 100%;
	z-index:0;
}

/* reduce height of splash image on small screens */
@media screen and (max-height:640px) { 
	#splash img {
		height:320px;
	}
} 

#header {
	position: fixed;
	top: 3%;
	width:100%;
	padding-left:5%;
	padding-right:5%;
	z-index: 500;
	background-color: rgba(0,0,0,0.15);
	height:0; /* to avoid catching mouse clicks below menu bar */
	visibility: hidden;
}

.logo {
	float: left;
}

.logo a, .logo a:visited, .logo a:active, #chapter-title {
	color:#fff;
	-webkit-transition: color 1s ease;  
    -moz-transition: color 1s ease;  
    -o-transition: color 1s ease;  
    -ms-transition: color 1s ease;  
    transition: color 1s ease; 
}

#logo-small { 
	display: block;
	line-height: 1.6em /* to avoid moving umlaute points */	
} 

#logo-big {
	display: none;	
} 

#menu-button {
	position: absolute;
	top:0;
	right: 0;
	padding-right: 5%;
	padding-top: 2px;
	cursor: hand; 
	cursor: pointer;
}

.menu-button-bar {
	width:32px;
	height:4px;
	margin-bottom: 6px;
	background-color: white;
	-webkit-transition: background-color 1s ease;  
    -moz-transition: background-color 1s ease;  
    -o-transition: background-color 1s ease;  
    -ms-transition: background-color 1s ease;  
    transition: background-color 1s ease; 
}

/* set other logo for bigger devices */
@media screen and (min-width: 700px) and (min-height:660px) { 
	#logo-small { 
		display: none;	
	} 
	#logo-big {
		display: block;	
	} 
	#menu-button {
		display:none;
	}
} 

#footer {
	color:#fff;
	position: fixed;
	bottom:2%;	
	left: 5%;
	display: block;
	z-index: 900;
	-webkit-tap-highlight-color: rgba(0,0,0,0); /* avoids grey bck color on tap */
	-webkit-transition: color 1s ease;  
    -moz-transition: color 1s ease;  
    -o-transition: color 1s ease;  
    -ms-transition: color 1s ease;  
    transition: color 1s ease; 
    cursor: hand; 
	cursor: pointer;
	visibility: hidden;
}

#impressum-link, #language-select, #facebook-link {
	display: inline-block;
}

/* animated cross for opening layers
/* ---------------------------------------------------------------------- */

.animate-1000ms {
  -moz-transition: all 1s ease;
  -webkit-transition: all 1s ease;
  -o-transition: all 1s ease;
  transition: all 1s ease;
}

.animate-500ms {
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  transition: all 0.5s;
}

.animate-375ms {
  -moz-transition: all 0.375s ease-out;
  -webkit-transition: all 0.375s ease-out;
  -o-transition: all 0.375s ease-out;
  transition: all 0.375s ease-out;
}

.animate-250ms {
  -moz-transition: all 0.250s;
  -webkit-transition: all 0.250s;
  -o-transition: all 0.250s;
  transition: all 0.250s;
}

.cross-button {
    position:absolute;
    width:64px;
    height:64px;
    cursor: hand; 
	cursor: pointer;
	-webkit-tap-highlight-color: rgba(0,0,0,0); /* avoids grey bck color on tap */
	overflow: hidden;
	z-index:300;
}

.animation-box {
	width: 100%;
	height: 100%;
	/* avoid flickering */
	-webkit-backface-visibility: hidden; 
	-webkit-perspective: 1000;
}

.cross-h, .cross-v {
	position: absolute;
  	background-color: black;
}

.cross-h {
	width:100%;
	height:4px;
    top:50%;
	margin-top: -2px;
}

.cross-v {
	left: 50%;
	width: 4px;
	height:100%;
    margin-left: -2px;
}

/* navigation elements
/* ---------------------------------------------------------------------- */

#move-to-previous-view {
	width:50px;
	height:50px;
	position: fixed;
	left:22px;
	top:45%;	
	display: block;
	z-index: 700;
}

#move-to-previous-view:hover {
	left:24px;
}

#move-to-previous-view:active {
	left:18px;
}

#move-to-next-view {
	width:50px;
	height:50px;
	position: fixed;
	top:45%;
	right:22px;
	display: block;
	z-index: 700;
}

#move-to-next-view:hover {
	right:24px;
}

#move-to-next-view:active {
	right:18px;
}

.move-btn {
	position:absolute;
	top:0;
	left:0;
	width:100%; /* needed for ie8 */
	cursor: hand; 
	cursor: pointer;
}

#btn-next-white {
	visibility: hidden;
}

#btn-next-black, #btn-next-white, #btn-back-black, #btn-back-white {
	display: none;
}

#menu-status {
	position: fixed;
	display: none;
	width:100%;
	height:4px;
	z-index:200;
}

@media screen and (min-width: 700px) and (min-height:660px) { 
	#menu-status {
		display: block;	
	} 
} 

.menu-status-bar {
	display:none;
	top:0;
	height: 4px;
	width: 0px;
	position:absolute;
	background-color: #000;
	-webkit-transition: background-color 1s ease;  
    -moz-transition: background-color 1s ease;  
    -o-transition: background-color 1s ease;  
    -ms-transition: background-color 1s ease;  
    transition: background-color 1s ease; 	
}

/* top menu
/* ---------------------------------------------------------------------- */

#menu-list { 
	padding-left: 12%; 
	text-align: justify; 
	z-index: 800;
	display: none;
	height:16px;
	overflow:hidden;
	/* to keep points of german umlaute, see menu.js for differences for MAC vs. WIN */
	line-height: 1.4em; 
}

@media screen and (min-width: 700px) and (min-height:660px) { 
	#menu-list {
		display: block;	
	} 
} 
		
#menu li { 
	display: inline-block; 
	cursor: hand; 
	cursor: pointer;
	-webkit-tap-highlight-color: rgba(0,0,0,0); /* avoids grey bck color on tap */
}
#menu li:first-child span{
    color: #000;
}
.menu-item { 
	color: #000;
	cursor: hand; 
	cursor: pointer;
	-webkit-transition: color 1s ease;  
    -moz-transition: color 1s ease;  
    -o-transition: color 1s ease;  
    -ms-transition: color 1s ease;  
    transition: color 1s ease; 	
}

.menu-triangle {
	display: inline-block;
	border-color: #fff transparent transparent transparent ;
    border-style:solid;
    border-width:6px;
    vertical-align: baseline;
    -webkit-transition: color 1s ease;  
    -moz-transition: color 1s ease;  
    -o-transition: color 1s ease;  
    -ms-transition: color 1s ease;  
    transition: color 1s ease; 	
    margin-right: 12px;
    margin-bottom: -1px;
}

.menu-level2-triangle {
	display: inline-block;
	border-color: transparent transparent transparent #fff  ;
    border-style:solid;
    border-width:6px;
    vertical-align: top;
    -webkit-transition: color 1s ease;  
    -moz-transition: color 1s ease;  
    -o-transition: color 1s ease;  
    -ms-transition: color 1s ease;  
    transition: color 1s ease; 	
}

/* tricky: empty second line to activate the justify effect for navi items */
.helper-line { 
	padding-left: 100%; 
}

.menu-item {
	float: left;
	color:#fff;
	-webkit-transition: color 1s ease;  
    -moz-transition: color 1s ease;  
    -o-transition: color 1s ease;  
    -ms-transition: color 1s ease;  
    transition: color 1s ease; 	
}

#menu-level2 {
	position: absolute;
	background: black;
	border-top: 1px solid white;
	top:44px;
}

.menu-level2-item {
	display: block;
	-moz-box-sizing: border-box; 
	-webkit-box-sizing: border-box; 
	box-sizing: border-box; 
	height:64px;
	border-bottom: 1px solid white;
	text-align: right;
	padding-right: 10px;
	padding-top: 25px;
	background: black;
	color: white;
	cursor: hand; 
	cursor: pointer;
}

.menu-touch-item {
	display: block;
	-moz-box-sizing: border-box; 
	-webkit-box-sizing: border-box; 
	box-sizing: border-box; 
	height:32px;
	border-bottom: 1px solid white;
	padding-right: 12px;
	padding-top: 10px;
	background: black;
	color: white;
	cursor: hand; 
	cursor: pointer;
	padding-left: 16px;
	position: relative;
}

#menu-touch {
	position: absolute;
	background: black;
	border-top: 1px solid white;
	top:52px;
	width: 294px;
	min-height: 60px;
	z-index:700; 
	visibility: hidden;
}

.menu-touch-triangle {
	display: block;
	position: absolute;
	right: 16px;
	top:9px;
	border-color: transparent transparent transparent #fff  ;
    border-style:solid;
    border-width:6px;
    -webkit-transition: color 1s ease;  
    -moz-transition: color 1s ease;  
    -o-transition: color 1s ease;  
    -ms-transition: color 1s ease;  
    transition: color 1s ease; 	
}

/* sizes for bigger screens */
@media screen and (min-height: 340px) { 
	.menu-touch-item {
		height: 64px;
		padding-top: 25px;	
	} 
	.menu-touch-triangle {
		top: 25px;
	}
}
	
.modal-touch {
	position: absolute;
	display: block;
	width:100%;
	height:100%;
	z-index:200;
}

/* debugging
/* ---------------------------------------------------------------------- */

#touch-console {
	position: fixed;
	width:100%;
	top:20%;
	height:60%;
	z-index: 9999;
	padding:5px;
	background-color: rgba(000,200,200,0.90);
	font-family:"Courier New", Courier, monospace;
	font-size: 1em; 
	display: none;
	overflow: hidden;
}

/* helper layer for layout positioning */
.layout {
	position:absolute;
	top:0;
	left:0;
	opacity: 0.5;	
	display: none;
}