* {
  font-family: "Calibri", "sans-serif";
  overflow-x: hidden;
  hyphens: auto;
}
ul {
  padding-left: 0;
}
li {
  list-style: none;
}
.text_larger {
  font-size: 1.3em;
}
.text_larger_lighter {
  font-size: 1.3em;
  color: grey;
}
.text_400 {
  font-weight: 400;
}
h2 {
  overflow: hidden;
  word-wrap: break-word;
}
.heading_h1 {
  font-weight: bold;
  font-size: 2em;
  overflow: hidden;
}
.heading_section {
  font-size: 1em;
  font-family: 'Courier New', monospace;
  text-align: center;
}
.heading_medium {
  /*text-align: center;*/
  font-weight: bold;
  font-size: 1.2em;
  margin-bottom: 1em;
  overflow: hidden;
}
.heading_large {
  /*text-align: center;*/
  font-weight: bold;
  font-size: 2em;
  margin-bottom: 1em;
  overflow: hidden;
}
.h2_lighter {
  color: rgb(103, 103, 103);
}

.back_div {
  text-align: right;
}
.back_arrow {
  width: 40px;
  font-weight: bold;
  font-size: 3em;
  font-family: 'Courier New', monospace;
  color: black;
  text-decoration: none;
}
.back_arrow:hover {
  color:#29AB87
}
.nav {
  padding: 1em;
}
.nav_list {
  display: flex;
  flex-wrap: wrap;
}
.nav li {
  background: none;
  padding: 3px 15px;
  border-radius: 30px;
  margin: 0.5em;
}
.nav li:hover {
  background: #eef1ff;
  padding: 3px 15px;
  border-radius: 30px;
  margin: 0.5em;
}
.lang_btn {
  background-color: #ffffff;
  padding: 3px 15px;
  border-radius: 30px;
  margin: 0.5em;
  border: none;
}
.lang_btn:hover {
  background: #d7ece6;
}
.nav a {
  color: black;
  text-decoration: none;
}
.toggle_btn_ul {
  align-self: center;
}
.toggle_btn {
  background: transparent;
  border-radius: 5px;
  font-size: 0.7em;
  height: 2.2em;
  margin: auto;
  margin-left: 1.5em;
  border: none;
}
.toggle_btn:hover {
  background: white;
}
.titleName {
  font-size: 30px;
}
.intro_text {
  margin: 2em 0;
  margin-right: 1em;
}
@media (max-width:727.5px) {
  .avatar_div {
    width: 100%;
    text-align: center;
  }
}
.avatar {
  width: auto;
  min-width: 90px;
  height: 300px;
  border-radius: 10px;
  border: 10px solid white;
  margin: 0.4em 1em;
  margin-bottom: 2em;
}
@keyframes blink {
  50% {
    border-color: transparent;
  }
}

section {
  width: 100%;
  font-family: 'Courier New', monospace;
  font-weight: bold;
  font-size: 1.2em;
  padding-left: 70px;
  padding-right: 70px;
}
section #Kenntnisse #Projekte #Kontakt {
  min-height: 100vh;
}
section h1, h2, h3 {
  font-family: "Calibri", sans-serif;
  font-size: 1.3em;
}
.section1 {
  position: relative;
  /* background: #cae1db; */
  /*min-height: 100vh;*/
  background: #c0ccfd;
  background-image: /* linear-gradient(white 2px, transparent 0),
                    linear-gradient(90deg, white 2px, transparent 0), */
                    linear-gradient(#dee3f8 1px, transparent 0),
                    linear-gradient(90deg, #dee3f8 1px, transparent 0);
  background-size: 70px 70px, 70px 70px, 10px 10px, 10px 10px;
}
.section1flex {
  margin-top: 50px;
  margin-bottom: 30px;
}
@media (min-width:727.6px) {
  .nav {
    justify-content: right;
  }
  .section1flex {
    display: flex;
    flex-wrap: wrap;
    margin-left: auto;
    margin-right: auto;
    /*min-height: 100vh;*/
    width: 80%;
  }
}
.section1descr {
  /*max-width: 600px;*/
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-left: 1.5em;
}
.section2 {
  background: rgb(239, 239, 239);
}
.section2 p {
  margin: 5vw 20vw;
}
.section3 {
  min-height: 100vh;
  height: 100%;
  width: 100vw;
  padding: 3em;
  padding-top: 0.6em;
  background: #f9f9f9;
}
.section3b {
  width: 80%;
  margin-left: auto;
  margin-right: auto;
  
  /* --d: 1.5px; /* diameter of the circle /
  background : radial-gradient(
    circle at 
       var(--d) 
       var(--d), 
       
    #a9a9a9 calc(var(--d) - 1px), 
    #0000 var(--d)
  ) 
  0 0 / 40px 40px; */
}
.section4 {
  padding: 3em;
  padding-top: 0.6em;
  background: rgb(220, 220, 240);
}
.section5 {
  min-height: 70vh;
  padding: 3em;
  padding-top: 0.6em;
  word-break: break-word;
  
  --d: 1.5px; /* diameter of the circle */
  background : radial-gradient(
    circle at 
       var(--d) 
       var(--d), 
       
    #a9a9a9 calc(var(--d) - 1px), 
    #0000 var(--d)
  ) 
  0 0 / 40px 40px;
}
.section5b {
  display: flex;
  flex-direction: column;
  align-content: center;
  margin-top: 2em;
  align-items: center;
}
.section5 button {
  background: #29AB87;
  padding: 1em;
  border-radius: 5px;
  border: none;
  width: 200px;
}
.section5 button:hover {
  background: rgb(45, 182, 143);
}

.skills1, .skills2, .skills3, .skills4 {
  border: 1px solid white;
  margin: 1em 0;
}
/*.skills_flex1 {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: space-between;
}
.skills_flex1 .skills2 {
  width: 32%;
  min-width: 220px;
}
@media (max-width: 863px) {
  .skills_flex1 .skills2 {
    width: 100%;
  }
}*/
/*.skills2 {
  grid-column: 3 / 4;
  grid-row: 1;
  font-size: 1em !important;
}
.skills2 ul, .skills3 ul {
  padding: 0;
}*/
.logo_icon {
  width: 50px;
  max-height: 60px;
  margin: auto;
}
.list_element {
  border-right: 0.15em solid transparent;
  margin: auto;
}
.list_element:hover {
  border-right: 0.15em solid white;
  animation: blink 1s steps(1) infinite;
}
.skills2 {
  margin-bottom: 70px;
}
.skills2 .span {
  color: rgb(29, 29, 29);
}
.skills2b {
  /* background-color: #cae1db; */
  height: 100%;
  padding: 2em;
  word-break: break-word;
  
  --d: 1.5px; /* diameter of the circle */
  background : radial-gradient(
    circle at 
       var(--d) 
       var(--d), 
       
    #989898 calc(var(--d) - 1px), 
    /*#cae1db var(--d)*/
    #ffffff var(--d)
  ) 
  7px 7px / 40px 40px;
}
.skills2b ul {
  display: flex;
  flex-flow: wrap;
  gap: 50px;
}
.skills2b li {
  display: flex;
  flex-direction: column;
}
/*.skills2b li:hover {
  background-color: #c0d2ce;
}*/
.ul2 {
  justify-content: center;
}
.ul2 li {
  padding: 0.5em 2em;
}
.skills3 {
  grid-column-start: 1;
  grid-column-end: 3;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  place-content: center;
  padding: 1em;
}
.skills3 ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  grid-auto-rows: minmax(100px, auto);
  padding: 2em;
}
.skills3 li:hover {
  background-color: aliceblue;
}
.skills4 {
  grid-column: 3 / 4;
  grid-row: 2;
  padding: 1em;
}
.skills4 li {
  border: 1px solid transparent;
  padding-left: 0em 0.5em;
}
.skills4 li:hover {
  border: 1px solid black;
}
.skills5 {
  width: 100%;
  background-color: rgb(193, 193, 193);
  padding: 1em;
  margin: 2em 0em;
}
.skills5 h3 {
  text-align: center;
  padding: 0.5em 0em 1em;
}
.skills5 ul {
  display: flex;
  justify-content: space-around;
}

.project_descr {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
.project_descr_a {
  font-weight: 600;
}
.project_descr_b {
  font-weight: 400;
}
.project_descr button {
  border-radius: 5px;
  padding: 0.2em 0.9em;
  background: #29AB87;
  border: none;
}
.project_descr button:hover {
  background: rgb(45, 182, 143);
}
.project_margin {
  margin-top:2em;
}

.footerBar {
  /* background: rgb(230, 230, 230); */
  background: rgb(26, 26, 26);
  padding: 3em;
  color: rgb(238, 238, 238)
  /* background: #7eb4e2; */
}
.footer_grid {
  display: grid;
  grid-template-columns: 2;
  grid-template-rows: 3;
  max-width: 400px;
  word-break: break-word;
}
@media (max-width: 425px) {
  .footer_grid {
    display: flex;
    flex-direction: column;
  }
  .skills2b ul {
    justify-content: center;
}
}
.footer_grid_1 {
  grid-row: 1/2;
  grid-column: 1/2;
}
.footer_grid_2 {
  grid-row: 1/2;
  grid-column: 2/2;
}
.footer_grid_3 {
  grid-row: 2/2;
  grid-column: 1/2;
}
.footer_grid_4 {
  grid-row: 2/2;
  grid-column: 2/2;
}
.footer_grid_5 {
  grid-row: 3/3;
  grid-column: 1/2;
}
.footer_grid_6 {
  grid-row: 3/3;
  grid-column: 2/2;
}
.project_images {
  display: flex;
  margin: auto;
  margin-top: 50px;
  margin-bottom: 50px;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.project_screen {
  max-width: 65vw;
  max-height: 350px;
  border-radius: 8px;
}


.dark_mode /* @media (prefers-color-scheme: dark) */ {
  * {
    color: rgb(226, 226, 226);
  }
  .img_light {
    opacity: 0.7;
  }
  .h2_lighter {
    color: rgb(143 143 143);
  }
  .carousel-arrow--next, .carousel-arrow--prev {
    color: black;
  }
  .nav li:hover {
    background: #29AB87;
  }
  .lang_btn {
    background: rgb(72, 72, 72);
  }
  .lang_btn:hover {
    background: rgb(103, 103, 103);
  }
  .toggle_btn:hover {
    background: rgb(72, 72, 72);
  }
  .section1 {
    background: rgb(36, 36, 36);
    background-image: /* linear-gradient(white 2px, transparent 0),
                      linear-gradient(90deg, white 2px, transparent 0), */
                      linear-gradient(rgb(47, 47, 47) 1px, transparent 0),
                      linear-gradient(90deg, rgb(47, 47, 47) 1px, transparent 0);
    background-size: 70px 70px, 70px 70px, 10px 10px, 10px 10px;
  }
  .section4, .footerBar {
    background: rgb(36, 36, 36);
  }
  .section3 {
    background: rgb(0, 0, 0);
    color: black;
  }
  .section5 {
    --d: 1.5px; /* diameter of the circle */
    background : radial-gradient(
      circle at 
         var(--d) 
         var(--d), 
         
      #545454 calc(var(--d) - 1px), 
      #000000 var(--d)
    ) 
    0 0 / 40px 40px;
  }
  .section5 button {
    background: #2600AC;
    color: rgb(226, 226, 226);
  }
  .section5 button:hover {
    background: #08a176;
  }
  .skills2b {
    --d: 1.5px; /* diameter of the circle */
    background : radial-gradient(
      circle at 
         var(--d) 
         var(--d), 
         
      #656565 calc(var(--d) - 1px), 
      #242424 var(--d)
    ) 
    7px 7px / 40px 40px;
  }
  .skills2b li:hover {
    background-color: rgb(62, 62, 62);
  }
  .project_descr button {
    background: #216e59;
  }
  .project_descr button:hover {
    background: #08a176;
  }
}