/* normalize.css */ 
html{font-family:sans-serif;line-height:1.15;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0}article,aside,footer,header,nav,section{display:block}h1{font-size:2em;margin:.67em 0}figcaption,figure,main{display:block}figure{margin:1em 40px}hr{box-sizing:content-box;height:0;overflow:visible}pre{font-family:monospace,monospace;font-size:1em}a{background-color:transparent;-webkit-text-decoration-skip:objects}a:active,a:hover{outline-width:0}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}b,strong{font-weight:inherit;font-weight:bolder}code,kbd,samp{font-family:monospace,monospace;font-size:1em}dfn{font-style:italic}mark{background-color:#ff0;color:#000}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}audio,video{display:inline-block}audio:not([controls]){display:none;height:0}img{border-style:none}svg:not(:root){overflow:hidden}button,input,optgroup,select,textarea{font-family:sans-serif;font-size:100%;line-height:1.15;margin:0}button,input{overflow:visible}button,select{text-transform:none}button,html [type="button"],[type="reset"],[type="submit"]{-webkit-appearance:button}button::-moz-focus-inner,[type="button"]::-moz-focus-inner,[type="reset"]::-moz-focus-inner,[type="submit"]::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring,[type="button"]:-moz-focusring,[type="reset"]:-moz-focusring,[type="submit"]:-moz-focusring{outline:1px dotted ButtonText}fieldset{border:1px solid silver;margin:0 2px;padding:.35em .625em .75em}legend{box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal}progress{display:inline-block;vertical-align:baseline}textarea{overflow:auto}[type="checkbox"],[type="radio"]{box-sizing:border-box;padding:0}[type="number"]::-webkit-inner-spin-button,[type="number"]::-webkit-outer-spin-button{height:auto}[type="search"]{-webkit-appearance:textfield;outline-offset:-2px}[type="search"]::-webkit-search-cancel-button,[type="search"]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}details,menu{display:block}summary{display:list-item}canvas{display:inline-block}template{display:none}[hidden]{display:none}


body {
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, sans-serif;
  font-size: 12px;
  line-height: 1.35;
  margin: 0;
}

html {
  overflow-x: hidden;
  overflow-y: auto;
}

html * {
  box-sizing: border-box;
}

/* Header & footer */

#header {
  font-size: 1.4em;
  position: relative;
  /* border-bottom: 1px solid #f03; */
  line-height: 70px;
  
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 2;
}

#footer {
  font-size: 1.1em;
  text-align: center;
  color: #aeb7c1;
  padding: 100px 0 30px;
}

#footer a, #footer a:hover {
  color: #aeb7c1; text-decoration: underline;
}

#header a {
  color: #fff;
  text-decoration: none;
  padding-left: 10px;
  padding-right: 10px;
}
#header a:hover {
  color: #75f;
  border-bottom: none;
}

#footer a:link, #footer a:visited { color: #aeb7c1; }


#pts {
  display: inline-block;
  padding-left: 30px;
  padding-right: 0;
  font-weight: normal;
}

#header_title  {
  color: #fff;
  display: inline-block;
  padding-right: 0px;
  font-size: 4em;
  font-weight: 400;
  margin-top: 40px;
  margin-left: 20px;
  user-select: none;
}
#pts a > span {
  color: #f03;
  display: inline-block;
  padding: 0 2px; 
}

#topmenu {
  position: absolute;
  top: 20px; right: 40px;
  height: 100%; 
  vertical-align: middle;
}

#topmenu > a {
  display: inline-block;
  vertical-align: middle;
  font-weight: 400;
  height: 100%;
}



.block h1, .block h3 {
  margin: 60px 0 20px; 
  font-weight: 400;
}

.block {
  width: 100vw;

  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  
}

.block .subcol {
  text-align: left;
  min-width: 560px;
  max-width: 640px;
  padding: 0 50px;
  
  flex: 0 1 50%;
}


.feature-block {
  height: auto;
  margin: 100px 0px 0px;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: flex-start;
}

.feature-block .feature {
  padding: 0;
  flex: 0 1 25%;
  box-sizing: border-box;
}

.feature-block .image {
  display: block;
  width: 100%;
  height: 25vw;
  background-size: cover; 
}

.feature-block .usage{
  color: #345;
  padding: 30px;
  font-size: 1.3em;
  text-align: left;
}

.feature-block .cta-link {
  margin-top: 10px;
}

.block h3 {
  font-size: 2.1em;
  color: #345;
  font-weight: 500;
}


.block p {
  color: #345;
  font-size: 1.3em; 
}

.cta {
  display: inline-block;
  margin: 20px 0;
  padding: 15px 20px;
  font-size: 1.4em;
  font-weight: 600;
  border: 2px solid #42e;
  color: #42e;
  cursor: pointer;
}

.cta:hover {
  background: #42e;
  color: #fff
}

code {
  display: inline-block;
  background-color: #f3f7f9;
  color: #678;
  font-family: Menlo, sans-serif;
  padding: 15px;
  font-size: 0.8em;
  margin: 10px 0;
}

/* ---------- */

#start {
  position: fixed;
  right: 0; top: 50%; margin-top: 0px;
  width: 180px;
  text-align: center;
  box-sizing: border-box;
  height: 70px;
  line-height: 70px;
  font-size: 21px;
  font-weight: bold;
  background: #f03;
  color: #fff;
  text-decoration: none;
  
}

#start:hover {
  background: #0c6;
  border: none;
}

#board {
  cursor: pointer;
  width: 100%;
  height: 80vh;
}

#pt {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#page {
  padding: 0 10px 0 40px;
  position: relative;
}


#menu {
  position: absolute;
  top: 0; left: 0; right: 0;
  padding-left: 5vw;
  background-color: #fff;
  z-index: 1;
}

#menu > span {
  display: inline-block;
  vertical-align: middle;
  font-size: 1.2em;
  padding-right: 30px;
  margin-top: 20px;
  font-family: "Roboto Slab", sans-serif;
}


#menu > span.title {
  font-size: 4em;
  
}

#hint {
  position: absolute;
  top: 5px;
  right: 10px;
  
  font-size: 12px; color: #666;
  line-height: 1.35;
  word-wrap: normal;
  max-width: 350px;
  text-align: right;
}

#hint a {
  display: block;
  border: none;
  text-decoration: none;
  color: #f03;
}

#hint a:hover {
  color: #c03;
}

h1 {
  font-size: 20px;
  padding: 30px 0;
  margin: 0;
  font-weight: 400;
  max-width: 80%;
}

p {
  font-size: 1.4em;
  color: rgba(255,255,255,.8);
}


a {
  color: #42f;
  text-decoration: none;
  display: inline-block;
}

a:hover {
  text-decoration: underline;
}

.demo, .section {
  cursor: pointer;
  font-size: 12px; 
  line-height: 2; 
  margin: 0;
  color: #123;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.demo > span {
  /* font-weight: bold; */
  color: #678
}
.demo > strong {
  font-weight: 400;
}
.demo:hover, .demo:hover > span { color: #f03;}

.section {
  font-weight: 600;
  color: #222;
}

@media only screen and (max-device-width : 768px), screen and (max-width : 768px) {
  /* Header and footer */
  
  #header, #footer {
    width: 100%;
    margin: 0 auto;
    line-height: 100px;
    padding-left: 30px;
    padding-right: 30px;
  }

  #header_title {
    margin-top: 20px;
    margin-left: 10px;
  }

  #header #topmenu > a {
    margin: 0;
    padding: 25px 0 25px 10px;
    font-size: 0.9em;
    height: auto;
    display: none;
  }

  #header #topmenu > a:first-child {
    display: inline-block;
  }

  #header #topmenu > a:nth-child(2) {
    display: inline-block;
  }
  
  #footer { 
    line-height: 1.4;
    padding: 100px 40px 40px; 
    text-align: left;
  }
  
  
  #header a:first-child {
    padding-left: 0;
  }
  
  #header a:last-child {
    padding-right: 0;
  }
  

  .block h1, .block h3 {
    /* margin: 60px 0 20px;  */
    font-weight: 400;
  }
  
  .block {
    max-width: 100vw;
    margin: auto;
    text-align: left;
    
  }
  
  .block .subcol {
    min-width: auto;
    max-width: auto;
    
    flex: 0 1 100%;
    padding: 0 50px;
    
  }
  
  .feature-block .feature {
    flex: 0 1 50%;
  }
  
  .feature-block .image {
    height: 30vw;
  }

  .feature-block .usage{
    padding: 30px 30px 80px;
  }
  


  #pts { padding-left: 0; line-height: 1.4; vertical-align: middle; }
  #pts a { padding: 0; }

  #start {
    position: fixed;
    z-index: 100;
    top: auto;
    bottom: 15%;
    right: 50%;
    margin-right: -90px;
  }
  
  /* --------- */
  
  
  h1 {
    padding: 40px 0 30px;
  }
  
  #board {
    height: 75vh;
  }
  
  #hint {
    top: 5px; right: 10px;
  }
  
  #menu {
    background-color: transparent;
  }
  
  #menu span {
    display: none;
  }
  
  #menu .title {
    display: inline-block;
  }
  
  
  .demo {
    line-height: 2;
  }
  
}


@media only screen and (max-device-width : 767px) {
  /* Header and Footer */
  
  #header {
    line-height: 100px;
    font-size: 1.5em;
  }  
  
  #toc { width: 50px; height: 80px; line-height: 65px; }
  
  /* ------- */
  

  .feature-block .feature {
    flex: 0 1 100%;
    height: auto;
  }

  .feature-block .image {
    height: 250px;
  }

  .feature-block .usage{
    padding: 30px 50px 80px;
  }
  
  .demo {
    padding: 3px 0;
  }
}