/* RESET STYLES & HELPER CLASSES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.tree, .tree * {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

ul {list-style: none;}

.tree {
  max-width: 1000px;
  padding: 0 10px;
  margin: 0 auto;
  text-align:center;
}
.tree span, .tree code, .tree a {
	display: block;
	position: relative;
	padding: 16px;
	font-family: Arial;
	font-size: 1em;
	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}


/* Root STYLES Level 0
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.OrgaLevel-0 > li > span:before, .OrgaLevel-0 > li > a:before {
	content: "";
	position: absolute;
	top: 100%;
	left: 50%;
	transform: translateX(-50%);
	width: 2px;
	height: 20px;
	background: var(--line);
}

.OrgaLevel-0 > li > span, .OrgaLevel-0 > li > a {	/* zugeschnitten auf genau 1 Element!	*/
	font-weight:bold;
	width: 50%;
	margin: 0 auto 40px;
}

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

.OrgaLevel-1::before {
  content: "";
  position: absolute;
  top: -20px;
  left: 25%;
  width: 50%;
  height: 2px;
  background: var(--line);
  display: none;
}

.OrgaLevel-1::after {
  display: none;
  content: "";
  position: absolute;
  left: -20px;
  bottom: -20px;
  width: calc(100% + 20px);
  height: 2px;
  background: var(--line);
}

.OrgaLevel-1 li {
  position: relative;
}

.OrgaLevel-1 > li::before {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 20px;
  background: var(--line);
}

.OrgaLevel-1 > li > span, .OrgaLevel-1 > li > a {
  width: 50%;
  margin: 0 auto 40px;
  font-weight:bold;
}

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

.OrgaLevel-1 > li > span::after {
  display: none;
  content: "";
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-100%, -50%);
  width: 20px;
  height: 2px;
  background: var(--line);
}


/* LEVEL-2 STYLES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.OrgaLevel-2 {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);	/* Obacht: Anzahl der Einträge variabel! */
  grid-column-gap: 20px;
  width: 90%;
  margin: 0 auto;
}

.OrgaLevel-2::before {
  content: "";
  position: absolute;
  top: -20px;
  left: calc(18% - 21px);
  width: calc(67% + 11px);
  height: 2px;
  background: var(--line);
}

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

.OrgaLevel-2 span, .OrgaLevel-2 a {
  margin-bottom: 20px;
}
.OrgaLevel-2 > li > span, .OrgaLevel-2 > li > a {
	padding:16px;
	font-weight:bold;
}

/* LEVEL-3 STYLES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.OrgaLevel-3 {
  position: relative;
  width: 85%;
  margin-left: auto;
}

.OrgaLevel-3::before, .OrgaLevel-4::before {
  content: "";
  position: absolute;
  top: -20px;
  left: -20px;
  width: 2px;
  height: 100%; /*calc(100% + 20px);	*/
  background: var(--line);
}

.OrgaLevel-3 li + li {
  margin-top: 20px;
}

.OrgaLevel-3 span, .OrgaLevel-3 a {
	font-weight: normal;
	font-size:.9em;
	padding:10px;
}

.OrgaLevel-3 span::before, .OrgaLevel-3 a::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-100%, -50%);
  width: 20px;
  height: 2px;
  background: var(--line);
}

/* LEVEL-4 STYLES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.OrgaLevel-4 {
  position: relative;
  width: 85%;
  margin-left: auto;
}

/* MQ STYLES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
@media screen and (max-width: 700px) {
  .rectangle {
    padding: 20px 10px;
  }

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

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

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

  .OrgaLevel-1 {
    width: 90%;
    margin-left: 10%;
  }

  .OrgaLevel-1::before {
    left: -20px;
    width: 2px;
    height: calc(100% + 40px);
  }

  .OrgaLevel-1 > li:not(:first-child) {
    margin-top: 50px;
  }
}