/* RESET STYLES & HELPER CLASSES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
:root {
  --level-1: #8dccad;
  --level-2: #f5cc7f;
  --level-3: #7b9fe0;
  --level-4: #f27c8d;
  --black: black;
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

ol {
  list-style: none;
}

body {
  /* margin: 50px 0 100px; */
  text-align: center;
  font-family: "Inter", sans-serif;
}

.container-res {
  max-width: 1000px;
  padding: 0 10px;
  margin: 0 auto;
}

.rectangle {
  position: relative;
  padding: 20px 0px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.rectangle-1 {
    position: relative;
    padding: 20px 0px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
  }


.w-98{

    width:98%;
}


/* LEVEL-1 STYLES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.level-1 {
  width: 50%;
  margin: 0 auto 40px;
  background: var(--level-1);
}

.level-1::before {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 20px;
  background: var(--black);
}


/* LEVEL-2 STYLES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.level-2-wrapper {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.level-2-wrapper::before {
  content: "";
  position: absolute;
  top: -20px;
  left: 12.5%;
  width: 75%;
  height: 2px;
  background: var(--black);
}

.level-2-wrapper::after {
  display: none;
  content: "";
  position: absolute;
  left: -20px;
  bottom: -20px;
  width: calc(100% + 20px);
  height: 2px;
  background: var(--black);
}

.level-2-wrapper li {
  position: relative;
}

.level-2-wrapper > li::before {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 20px;
  background: var(--black);
}

.level-2 {
  width: 98%;
  margin: 0 auto 10px;
  font-size: 1.1rem;
  background: var(--level-2);
}

.level-2::before {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 20px;
  background: var(--black);
}

.level-2::after {
  display: none;
  content: "";
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-100%, -50%);
  width: 20px;
  height: 2px;
  background: var(--black);
}

.level-2-img{

    margin-top: 10px;
}


/* LEVEL-3 STYLES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.level-3-wrapper {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-column-gap: 20px;
  width: 90%;
  margin: 0 auto;
}

.level-3-wrapper::before {
  content: "";
  position: absolute;
  top: -20px;
  left: calc(25% - 5px);
  width: calc(50% + 10px);
  height: 2px;
  background: var(--black);
}

.level-3-wrapper > li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -100%);
  width: 2px;
  height: 20px;
  background: var(--black);
}

.level-3 {
  margin-bottom: 20px;
  background: var(--level-3);
}


/* LEVEL-4 STYLES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.level-4-wrapper {
  position: relative;
  width: 80%;
  margin-left: auto;
}

.level-4-wrapper::before {
  content: "";
  position: absolute;
  top: -20px;
  left: -20px;
  width: 2px;
  height: calc(100% + 20px);
  background: var(--black);
}

.level-4-wrapper li + li {
  margin-top: 20px;
}

.level-4 {
  font-weight: normal;
  background: var(--level-4);
}

.level-4::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-100%, -50%);
  width: 20px;
  height: 2px;
  background: var(--black);
}


/* MQ STYLES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
@media screen and (max-width: 767.94px) {
  .rectangle {
    padding: 20px 0px;
    height: 4rem;
    
    
  }
  #res-menu li {
    list-style-type:disc;
    /* margin-left: -20px; */
  }

  .level-1,
  .level-2 {
    width: 100%;
      }

  .level-1 {
    margin-bottom: 20px;
  }

  .level-2::before {
    margin-bottom: 20px;
  }

  .level-1::before,
  .level-2-wrapper > li::before {
    display: none;
  }
  
  .level-2-wrapper,
  .level-2-wrapper::after,
  .level-2::after {
    display: block;
  }

  .level-2-wrapper {
    width: 90%;
    margin-left: 10%;
   
  }

  .level-2-wrapper::before {
    left: -20px;
    width: 2px;
    height: calc(100% + 40px);
  }

  .level-2-wrapper > li:not(:first-child) {
    margin-top: 260px;
  }
  .level-2-wrapper > li:last-child {
    margin-top: 260px;
    margin-bottom: 100px;
  }

  
}


@media (min-width: 768px) and (max-width: 991px) {
    .rectangle {
      padding: 20px 4px;
      height: 5rem;     
    }

    #res-menu li {
      list-style-type:none;
      margin-left: -20px;
    }
  
    .level-2-wrapper > li 
    {
      margin-bottom: -30px;
    }

    .back li {
      font-size: 12px;
    }
    .rectangle-1 {
      
      width: 60%;
    }


  }

 
  


/* FOOTER
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.page-footer {
  position: fixed;
  right: 0;
  bottom: 20px;
  display: flex;
  align-items: center;
  padding: 5px;
}

.page-footer a {
  margin-left: 4px;
}



/* fliping */



#text2{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-80%);
}

#rcorners8 {
    border-radius: 50%;
    background-repeat: no-repeat;
    box-shadow: 10px 10px 15px grey;
}

#rcorners9 {
    position: absolute;
    border-radius: 50%;
    background-repeat: no-repeat;
    box-shadow: 10px 10px 15px grey;
}

/* entire container, keeps perspective */
.flip-container {
    perspective: 1000px;
}
	/* flip the pane when hovered */
.flip-container:hover .flipper, .flip-container.hover .flipper {
	transform: rotateY(180deg);
}

.flip-container, .front, .back {
	/* width: 150px; */
	/* height: 150px; */

  width: 100%;
  height:100%;
}

/* flip speed goes here */
.flipper {
	transition: 0.6s;
	transform-style: preserve-3d;
	position: relative;
}

/* hide back of pane during swap */
.front, .back {
	backface-visibility: hidden;
	position: absolute;
	top: 0;
	left: 0;
}

/* front pane, placed above back */
.front {
	z-index: 2;
	/* for firefox 31 */
	transform: rotateY(0deg);
}

/* back, initially hidden pane */
.back {
	transform: rotateY(180deg);
}


/* research menu  */

#res-menu  {
  list-style-type: disc;
  font-size: 1rem;
  padding: auto;
  border: rgba(17, 15, 15, 0.897) 1px solid;
  font-weight: bold;
}