$orange: #ff8d40;
$purple: #8c5b9e;
$green: #9bd063;
$light-grey: #eaeef1;
$bounce-ease: cubic-bezier(.17, .88, .32, 1.1);

@mixin centerall {
  display: flex;
  align-items: center;
  justify-content: center;
}

html {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  font-size: 20px;
}

*, *:before, *:after {
  box-sizing: inherit;
}

body {
  color: #404b53;  
  font-family: 'proxima-nova-soft', sans-serif;
  line-height: 1.45;
  overflow-x: hidden;
  
  &.font-proxima-soft {
    font-family: 'proxima-nova-soft', sans-serif;
  }
  
  &.font-trade {
    font-family: 'Trade Gothic Next W01', Helvetica, Arial, sans-serif;
  }
}

p > a {
  color: $orange;
  font-weight: 500;
  text-decoration: none;
  position: relative;
  
  &:after {
    content: '';
    background: currentColor;
    border-radius: 2px;
    position: absolute;
    height: 2px;
    bottom: -2px;
    left: 0;
    right: 100%;
    transition: all .4s $bounce-ease;
  }
  
  &:hover {    
    &:after {
      right: 0;
    }
  }
}



// Top Navigation
////////////////////

nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1;
  
  ul {
    background: rgba($green, .98);
    list-style: none;
    margin: 0;
    padding: 0;
  }
  
  li {
    display: inline-block;
  }
    
  .selected {
    background-color: #7db756;
  }
  
  a {
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    padding: 1.5rem 1rem;
    display: block;

    &:hover span {
    }
    
    span {
      display: inline-block;
      transition: all .2s ease;
      
      &:hover {
        transform: translateY(-2px);
      }
    }
  }
  
  .logo {
    a {
      letter-spacing: -1px;
      font-weight: bold;
      padding-left: 2rem;
      margin-right: 2rem;
    }
    
    span {
      display: inline-block;
      transform: scale(1.2) !important;
    }
  }
  
  .profile {
    float: right;
    padding-right: 4rem;
    position: relative;
    
    &:hover .photo {
      opacity: 1;
    }
        
    .photo {
      background: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/68366/jessica.jpg') no-repeat center;
      background-size: cover;
      padding: 1rem;
      background-color: #fff;
      display: inline-block;
      border-radius: 50%;
      float: right;
      margin-top: -1rem;
      position: absolute;
      right: 2rem;
      top: 50%;
      opacity: .8;
    }
  }
}


// Challenge Header
////////////////////

.challenge-banner {
  background-color: #eaeef1;
  width: 100%;
  padding: 12rem 0 0;
  position: relative;
  text-align: center;
  overflow: hidden;
  
  header {
    color: #fff;
    margin-bottom: 6rem;
    position: relative;
    will-change: transform, opacity;
  }
  
  .challenge-img {
    background: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/68366/Layer-9.jpg') no-repeat center;
    background-size: cover;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    bottom: 0;
    animation: fadeIn .4s ease forwards;
    will-change: transform, opacity;
  }
  
  .challenge-title {
    color: #fff;
    font-size: 3rem;
    font-weight: 600;
    margin: 1rem 0 0;
  }
  
  .date-range {
    font-weight: 500;
    opacity: 0;
    animation: fadeInUp .4s 1s ease forwards;
  }
}


.challenge-icon {
  background: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/68366/challenge-hexagon-blue.svg') no-repeat center;
  background-size: contain;
  display: inline-block;
  height: 5rem;
  width: 5rem;
  transform: translateY(-50px);
  opacity: 0;
  animation: bounceIn .5s .3s $bounce-ease forwards;
  margin: 0 auto;
  @include centerall;
  
  & + h2 {
    transform: translateY(-50px);
    opacity: 0;
    animation: bounceIn .5s .2s $bounce-ease forwards;
  }
}



// Tabs
////////////////////

.tabs {
  background: rgba(#fff, .9);
  position: relative;
  
  transition: all .4s ease;
  
  .tab {
    cursor: pointer;
    font-weight: 600;
    margin: 0;
    padding: 1.5rem 0;
    position: relative;
    opacity: .8;
    transition: all .2s ease;
    
    &:last-child:before {
      background-color: $orange;
      border-radius: 2px;
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 4px;
      transition: all .4s $bounce-ease;
    }
    
    > div {
      transition: all .2s ease;
    }
    
    &:hover, &:focus {
      opacity: 1;
      > div {
        color: $orange;
        transform: translateY(-4px);
      }
    }
  }
  
  .selected {
    color: $orange;
    opacity: 1;
    
    &:nth-child(1) {
      &~ :last-child:before {
        transform: translate3d(-200%,0,0);
      }
    }
    
    &:nth-child(2) {
      &~ :last-child:before {
        transform: translate3d(-100%,0,0);
      }
    }
  }
}


section {
  padding: 2rem 0;
  position: relative;
  opacity: 1;
  
  [class^='content-'] {
    transition: all .4s $bounce-ease;
    
    &.fade-out-left,
    &.fade-out-right {
      opacity: 0;
      pointer-events: none;
      //transition-delay: .05s;
    }
    
    &.fade-out-left {
      transform: translate3d(-100px, 0, 0);
    }
    
    &.fade-out-right {
      transform: translate3d(100px, 0, 0);
    }
  }
  
  .content-standings,
  .content-results { 
    position: absolute;
    top: 2rem;
    left: 50%;
    margin-left: -585px;
    border-radius: 6px;
    height: 500px;
    width: 100%;
    padding: 0;
  }
}

.filler {
  background-color: #eaeef1;
  border-radius: 6px;
  height: 200px;
}

.wrap {
  margin: 0 auto;
  padding: 0 2rem;
  max-width: 1170px;
}

@keyframes bookBounce {
  0% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  80% { transform: translateY(0); }
  100% { transform: translateY(0); }
}

@keyframes shelfLift {
  0% { transform: translateY(0) rotate(0); }
  20% { transform: translateY(-4px) rotate(10deg); }
  40% { transform: translateY(-4px) rotate(0); }
  40% { transform: translateY(-4px) rotate(-10deg); }
  80% { transform: translateY(0); }
  100% { transform: translateY(0); }
}

#book-badge:hover {
  
  .shelf {
    animation: shelfLift .4s ease;
    animation-iteration-count: 1;
    transform-origin: 50% 50%;
  }
  
  [class*='book-'] {
    animation: bookBounce .4s ease;
    animation-iteration-count: 1;
  }
  
  .book-2 {
    animation-delay: .04s;
  }

  .book-3 {
    animation-delay: .08s;
  }
}

.scenario {
  margin-right: 6rem !important;
  
  h3 {
    font-size: 1.8rem;
  }
}

.resources {
  margin-top: 1.3rem;
  
  & > div {
    background-color: rgba($light-grey, .3);
    border-radius: 6px;
    overflow: hidden;
  }
  
  [class*="col-"] {
    margin-bottom: 0;
  }
  
  .resources-header {
    background-color: $light-grey;
    padding: 1.5rem;
    @include centerall;
  }
  
  .resources-description {
    font-size: 16px;
    opacity: .7;
  }
  
  h3 {
    font-weight: normal;
    margin-bottom: 2.2rem;
    span { font-weight: bold; }
  }
  
  h4 {
    margin-top: 0rem;
  }
  
  .file-list {
    margin: 2rem 1.5rem;
    
    &:first-child {
      margin-top: 1.5rem;
    }
  }
  
  a {
    color: currentColor;
    text-decoration: none;
  }
  
  .file {
    cursor: pointer;
    margin-bottom: 1rem;
    transition: all .2s ease;
    
    &:hover {
      color: $orange;        
      transform: translateX(3px);

      [class^='icon-'] {
        transform: translateX(1px);
      }
    }
  }
  
  .button-cta {
    background-color: $light-grey;
    width: 100%;
    padding: 1.5rem;
    border-radius: 0 0 6px 6px;
  }
  
  button {
    cursor: pointer;
    width: 100%;
  }
}


// Keyframes
////////////////////

@keyframes bounceIn {
  from { transform: translateY(-50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes upDown {
  0% {
    transform: translateY(0);
  }
  
  40% {
    transform: translateY(4px);
  }
  
  80% {
    transform: translateY(0);
  }
  
  100% {
    transform: translateY(0);
  }
}


// File Icons
////////////////////

[class^="icon-"] {
  background: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/68366/icon-pdf.svg') no-repeat center;
  background-size: contain;
  display: inline-block;
  height: 24px;
  width: 24px;
  margin-right: .5rem;
  transition: all .2s ease;
  vertical-align: top;
  
  &[class$='ppt'] {
    background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/68366/icon-ppt.svg');
  }
  
  &[class$='word'] {
    background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/68366/icon-word.svg');
  }
}

.icon-arrow-down {
  background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/68366/icon-down-arrow.svg');
  height: 10px;
  vertical-align: inherit;
  margin: 0 -1rem 0 .5rem;
}

.icon-calendar {
  background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/68366/icon-calendar.svg');
}


// Flexbox Grid
////////////////////

[class*="col-"] {
  margin-bottom: 20px;
  min-height: 30px;
}

@media all and (min-width: 500px) {
  .row {
    display: flex;
  }

  [class*="col-"] {
    margin-right: 2rem;
  }

  [class*="col-"]:last-child {
    margin-right: 0;
  }

  @for $i from 1 through 12 {
    .col-#{$i}{
      flex: $i;
    }
  }
}

button {
  border-radius: 5px;
  border: none;
  outline: none;
  padding: 1rem 3rem;
  transition: all .2s $bounce-ease;
  -webkit-font-smoothing: antialiased;
  font-weight: 600;

  
  &.primary {
    background-color: $green;
    color: #fff;
    
    &:hover, &:focus {
      background-color: darken($green, 5%);
      
      [class^='icon-'] {
        animation: upDown 1s infinite ease;
      }
    }
    
    &:focus {
      box-shadow: inset 0 0 0 3px darken($green, 10%);
    }

    &:active {
      box-shadow: none;
      background-color: darken($green, 5%);
    }
  }
}


// Font Face
////////////////////

@font-face {
	font-family: TradeGothicSR;
	src: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/68366/TradeGothicNextSRPro-Rg.otf');
}

@font-face {
	font-family: TradeGothicSR;
	src: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/68366/TradeGothicNextSRPro-Bd.otf');
	font-weight: bold;
}