* {
  font-family: var(--font-family);
}


body {
  background-color: var(--color-verylight);
}


a {
  text-decoration: none;
  color: inherit;
}


html,
body {
  margin: 0;
  padding: 0;
}

.hidden {
  display: none;
}


:root {
  --color-verylight: #FCFCFC;
  --color-light: #F7F7F7;
  --color-middlelight: #E6E6E6;
  --color-middle: #828282;
  --color-dark: #3E3D3D;
  --color-verydark: #222;
  --color-mint: #B9F1D1;
  --color-darkmint: #013A34;

  --font-family: Inter, sans-serif;

  --font-xs: 1.25rem;
  --font-s: 1.5rem;
  --font-m: 1.75rem;
  --font-l: 3rem;
  --font-xl: 4rem;

  --font-bold: 800;
  --font-semibold: 700;
  --font-medium: 600;
  --font-regular: 500;
  --font-light: 300;

  --letter-spacing: -0.08rem;
  --line-height: 150%;

  --btn-padding: 0.875rem 1.5rem;
  --btn-radius: 0.5rem;
}




.header-bold {
  font-size: var(--font-xl);
  font-weight: var(--font-bold);
  letter-spacing: var(--letter-spacing);
  color: var(--color-verydark);
}

.header-thin {
  font-size: var(--font-xl);
  font-weight: var(--font-light);
  letter-spacing: var(--letter-spacing);
  color: var(--color-verydark);
}

.subject-bold {
  font-size: var(--font-l);
  font-weight: var(--font-bold);
  letter-spacing: var(--letter-spacing);
  color: var(--color-verydark);
}


.subject-thin {
  font-size: var(--font-l);
  font-weight: var(--font-light);
  letter-spacing: var(--letter-spacing);
  color: var(--color-verydark);
}


.topic {
  font-size: var(--font-m);
  font-weight: var(--font-medium);
  color: var(--color-verydark);
}

.text {
  font-size: var(--font-s);
  line-height: var(--line-height);
  color: var(--color-dark);
}


.verse-bold {
  font-size: var(--font-s);
  font-weight: var(--font-bold);
  color: var(--color-verydark);
}

.verse-thin {
  font-size: var(--font-xs);
  font-weight: var(--font-regular);
  color: var(--color-middle);
}




.btn {
  font-size: var(--font-xs);
  line-height: var(--line-height);
  padding: var(--btn-padding);
  border-radius: var(--btn-radius);
  transition: transform 0.3s ease-in-out;
  border: none;
}

.btn:hover {
  transform: scale(1.05);
}

.btn1 {
  color: var(--color-verydark);
}

.btn1:hover {
  color: var(--color-verylight);
  background: var(--color-verydark);
}

.btn2 {
  color: var(--color-verylight);
  background: var(--color-verydark);
}

.btn2:hover {
  color: var(--color-verydark);
  background: var(--color-mint);
}


.btn3 {
  color: var(--color-verylight);
  background: var(--color-verydark);
}

.btn3:hover {
  color: var(--color-verydark);
  background: var(--color-verylight);
}


.btn4 {
  color: var(--color-verydark);
  background: var(--color-mint);
}

.btn4:hover {
  color: var(--color-verylight);
  background: var(--color-verydark);
}

.btn5 {
  color: var(--color-verydark);
  background: var(--color-middlelight);
}

.btn5:hover {
  color: var(--color-light);
  background: var(--color-verydark);
}

.btn6 {
  color: var(--color-light);
}

.btn6:hover {
  color: var(--color-verydark);
  background-color: var(--color-verylight);
}

.btn7 {
  color: var(--color-light);
  border: 0.25rem solid var(--color-verylight);
  background-color: transparent;
}

.btn7:hover {
  color: var(--color-verydark);
  background-color: var(--color-verylight);
}

.btn8 {
  color: var(--color-verydark);
  background: var(--color-mint);
}

.btn8:hover {
  color: var(--color-verydark);
  background: var(--color-verylight);
}

.btn9 {
  color: var(--color-verydark);
  background: var(--color-middlelight);
}

.btn9:hover {
  color: var(--color-verydark);
  background: var(--color-mint);
}


.btn10 {
  color: var(--color-middlelight);
  background: var(--color-darkmint);
}

.btn10:hover {
  color: var(--color-darkmint);
  background: var(--color-verylight);
}




.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(1rem + 1vw) calc(3rem + 2vw);
}


.logo {
  font-size: var(--font-xs);
  line-height: var(--line-height);
}

.logo-bold {
  font-weight: var(--font-bold);
}

.logo-color1 {
  color: var(--color-verydark);
}

.logo-color2 {
  color: var(--color-verylight);
}

.navbar-container {
  display: flex;
  gap: 3.5rem;
}




.navbar-light {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(1rem + 1vw) calc(3rem + 2vw);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  background-color: transparent;
  color: var(--color-light);
}

.navbar-light .navbar-container {
  display: flex;
  gap: 3.5rem;
}

.navbar-light .logo {
  font-size: var(--font-xs);
  line-height: var(--line-height);
}

.navbar-light .logo-bold {
  font-weight: var(--font-bold);
}

.navbar-light .logo-color1,
.navbar-light .logo-color2 {
  color: var(--color-verylight);
}






.header-container {
  padding: 3.3125rem 5rem;
}

.header-subject .header-thin {
  margin-left: 1rem;
}

.header-container .text {
  width: 50%;
}

.header-button {
  display: flex;
}

.header-foto .image-wrapper {
  width: calc(100% - 10rem);
  height: 60vh;
  align-items: center;
  margin: 0 auto;
  border-radius: 0.5rem;
  overflow: hidden;
}

@keyframes moveUp {
  from {
    object-position: -6.5rem 0rem;
  }

  to {
    object-position: -6.5rem -4.12rem;
  }
}

.header-foto .image-wrapper img {
  width: 110%;
  object-position: -6.5rem -4.12rem;
  animation: moveUp 2s ease-in-out forwards;
}






.lernhub {
  cursor: pointer;
  transition: transform 0.2s ease-in-out;
  padding: 3rem 0;
}

.lernhub-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 4rem;
}

.lernhub-grid {
  display: flex;
  justify-content: center;
  gap: 2rem;
}


.lernhub-grid>div {
  width: calc(25% - 1rem);
  height: 25rem;
  text-align: center;
  padding: 3rem;
  transition: transform 0.1s ease-in-out;
}


.lernhub-grid>div:hover {
  transform: scale(1.05);
}


.lernhub-container .image-wrapper {
  width: 100%;
  height: 20rem;
  border-radius: 1rem;
  overflow: hidden;
}

.lernhub-container .image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.topic {
  margin-top: 1rem;
}


.text {
  margin-top: 0.5rem;
}






.pro {
  height: 90vh;
  background-color: var(--color-mint);
  max-width: 108rem;
  display: flex;
  align-items: center;
  padding-left: 5rem;
}

.pro-container {
  display: flex;
  gap: 6rem;
}

.pro-content {
  margin-left: -5rem;
  flex: 0.5;
}

.pro-subject {
  display: flex;
  position: relative;
  left: 5rem;
  top: 2rem;
  gap: 0.75rem;
}


.pro-text .topic {
  padding-left: 5rem;
  margin-top: 4.5rem;
}

.pro-text .text {
  padding-left: 5rem;
  margin-top: -0.5rem;
}

.pro-button {
  margin-top: 4rem;
  margin-left: 5rem;
}

.pro-button .btn2 {
  display: inline-block;
}


.pro-image {
  flex: 0.5;
  overflow: hidden;
}

.pro-image .image-wrapper {
  width: 50rem;
  max-width: 108rem;
}

.pro-image .image-wrapper img {
  width: 140%;
}





.wissen-container {
  max-width: 140vh;
  margin-top: 8rem;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3rem;
}

.wissen-subject {
  text-align: center;
}


.wissen-image {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

.wissen-image .image-wrapper {
  width: calc(100% - 10rem);
  height: 30rem;
  overflow: hidden;
  border-radius: 0.5rem;
}

.wissen-image .image-wrapper img {
  width: 120%;
  object-position: -3rem -40rem;
}

.wissen-button {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}






.review {
  padding: 4rem 0;
}

.review-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 4rem;
  cursor: pointer;
  transition: transform 0.2s ease-in-out;
}

.review-grid {
  display: flex;
  justify-content: center;
  gap: 2rem;
}


.review-card {
  width: calc(25% - 1rem);
  height: 15rem;
  text-align: center;
  padding: 2rem;
  border-radius: 1rem;
  background: var(--color-light);
  transition: transform 0.1s ease-in-out;
}


.review-card:hover {
  transform: scale(1.05);
}


.review-card .text {
  margin-bottom: 2rem;
}


.review-info {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
}



.review-card .image-wrapper {
  width: min(6rem, 20vw);
  height: min(6rem, 20vw);
  border-radius: 50%;
  overflow: hidden;
}


.image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.review-julia .image-wrapper img {
  object-position: -0.682rem -0.125rem;
}


.review-max .image-wrapper img {
  object-position: -3.24rem -2.27rem;
}

.review-anna .image-wrapper img {
  object-position: -7.26rem - 1.45rem;
}


.review-details {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.review-details .verse-bold {
  margin-bottom: 0.1rem;
}






.top-container {
  height: 20vh;
  background-color: var(--color-light);
  max-width: 108rem;
  display: flex;
  justify-content: center;
  align-items: center;
}





.footer {
  display: flex;
  padding: 2rem 6rem;
}

.footer-left {
  flex: 0.95;
}

.footer-icons {
  display: flex;
  gap: 0.5rem;
}

.footer-icons img {
  width: 3.5rem;
  height: 3.5rem;
  transition: transform 0.2s ease;
}

.footer-icons img:hover {
  transform: scale(1.1);
}

.footer-right {
  flex: 1;
  display: flex;
  justify-content: space-between;
}

.footer-column h3 {
  margin-bottom: 0.5rem;
  font-weight: var(--font-medium);
  font-size: var(--font-xs);
}

.footer-column ul {
  list-style: none;
  padding: 0;
}

.footer-column li {
  margin-bottom: 0.3rem;
  font-size: var(--font-xs);
  font-weight: var(--font-light);
  color: var(--color-middle);
}

.copyright {
  text-align: center;
  margin-bottom: 4rem;
  font-size: var(--font-xs);
  font-weight: var(--font-regular);
  color: var(--color-dark);
}





.module {
  position: relative;
  height: 70vh;
  background-image: url('Fotos/module.jpg');
  background-size: 120%;
  background-position: 100% 20%;
  background-repeat: no-repeat;
}



.module-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}


.module-section {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  padding: 4rem 5rem;
}

.module-card {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.module-text {
  flex: 1;
}

.module-text h2 {
  margin-bottom: 1rem;
}

.module-text p {
  margin-bottom: 1.5rem;
}

.module-image {
  flex: 1;
  height: 60vh;
}

.module-image img {
  width: 100%;
  height: 100%;
  border-radius: 0.5rem;
  object-fit: cover;
}





.sea {
  position: relative;
  height: 70vh;
  background-image: url('Fotos/seefracht.jpg');
  background-size: cover;
  background-position: center;
}


.sea-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.sea-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}


.sea-content h1 {
  margin-bottom: 1rem;
  color: var(--color-verylight);
}

.sea-content p {
  margin-bottom: 2rem;
  color: var(--color-verylight);
}






.sea-section {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  padding: 4rem 5rem;
}

.sea-card {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.sea-text {
  flex: 1;
}

.sea-text h2 {
  margin-bottom: 1rem;
}

.sea-text p {
  margin-bottom: 1.5rem;
}

.button-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.sea-image {
  flex: 1;
  height: 40vh;
}

.sea-image img {
  width: 100%;
  height: 100%;
  border-radius: 0.5rem;
  object-fit: cover;
}







.dashboard {
  position: relative;
  height: 70vh;
  background-image: url('Fotos/grundlagen.jpg');
  background-size: cover;
  background-position: center;
}


.dashboard-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.dashboard-content h1 {
  margin-bottom: 1rem;
  text-align: center;
  color: var(--color-verylight);
}





.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: var(--font-s);
  font-weight: var(--font-light);
  z-index: 1000;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: var(--color-light);
  padding: 2rem;
  border-radius: 0.5rem;
  text-align: center;
  max-width: fit-content;
  position: relative;
  gap: 0.5rem;
}


#usernameInput::placeholder {
  color: var(--color-middle);
  font-size: var(--font-xs);
  font-weight: var(--font-regular);
}


#usernameInput {
  border-radius: 0.5rem;
  padding: 1rem;
  max-width: fit-content;
  border: none;
  margin-right: 1.5rem;
  box-sizing: border-box;
  font-size: var(--font-xs);
  font-weight: var(--font-regular);
}


.close {
  position: absolute;
  top: 0.5rem;
  right: 1rem;
  cursor: pointer;
  font-size: var(--font-xs);
  font-weight: var(--font-light);
}


#userIcon img {
  cursor: pointer;
  width: 3.5rem;
}







.dashboard-wrapper {
  display: flex;
  width: 100%;
}

.sidebar {
  width: 15%;
  padding: 2rem;
  background-color: var(--color-mint);
  transition: width 0.3s;
}

.nav-links a {
  display: flex;
  align-items: center;
  margin-bottom: 4rem;
  font-size: var(--font-xs);
  font-weight: var(--font-regular);
  color: var(--color-darkmint);
}

.nav-links img {
  width: 3.5rem;
  margin-right: 2rem;
}





.login-area {
  width: 100%;
  height: 80vh;
  padding: 2rem;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: var(--color-darkmint);
  color: var(--color-light);
}


.login-area h2 {
  font-size: var(--font-m);
  font-weight: var(--font-medium);
}

.login-area input {
  font-size: var(--font-xs);
  border-radius: 0.5rem;
  margin-right: 1.5rem;
  border: none;
  padding: 1rem;
}






.course-area {
  display: block;
  width: 100%;
  height: 80vh;
  padding: 2rem;
  background-color: var(--color-verylight);
}

.course-area.hidden {
  display: none;
}


.course-heading {
  font-size: var(--font-m);
  font-weight: var(--font-medium);
  margin-bottom: 1.5rem;
  color: var(--color-verydark);
}


.course-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-middlelight);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
}

.course-info {
  flex: 1;
  padding-right: 2rem;
}


.course-info h3 {
  margin: 0;
  font-size: var(--font-xs);
  font-weight: var(--font-bold);
  color: var(--color-verydark);
}

.course-info p {
  color: var(--color-middle);
  margin-top: 0.5rem;
}

.course-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  cursor: pointer;
}


.progress-bar {
  display: flex;
  gap: 0.5rem;
  max-width: 50%;
  margin-top: 1rem;
}

.progress-segment {
  flex: 1;
  height: 1rem;
  background: var(--color-verylight);
  border-radius: 0.5rem;
}

.progress-segment.active {
  background: var(--color-darkmint);
}

.progress-segment.filled {
  background: var(--color-darkmint);
}




.chapter {
  margin-bottom: 1.5rem;
  border-radius: 8px;
  overflow: hidden;
}


.chapter-overview {
  display: block;
  width: 100%;
  height: 80vh;
  padding: 2rem;
  background-color: var(--color-verylight);
}

.chapter-overview.hidden {
  display: none;
}


.chapter-overview-heading {
  font-size: var(--font-m);
  font-weight: var(--font-medium);
  margin-bottom: 1.5rem;
  color: var(--color-verydark);
}

.chapter-overview-toggle {
  padding: 1rem;
  background-color: var(--color-middlelight);
  cursor: pointer;
  font-size: var(--font-xs);
  font-weight: var(--font-bold);
}

.chapter-overview-content {
  padding: 1rem;
  background-color: var(--color-darkmint);
  color: var(--color-middlelight);
}

.chapter-overview-content.hidden {
  display: none;
}






.unit-area {
  width: 100%;
  padding: 2rem;
  background-color: var(--color-verylight);
}

.unit-navigation {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 2rem;
}

.unit-navigation .nav-btn {
  flex-shrink: 0;
  margin-left: 2rem;
  margin-right: 2rem;
}


.unit-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.unit-header h2 {
  font-size: var(--font-m);
  font-weight: var(--font-bold);
  color: var(--color-darkmint);
}

.page-indicator {
  font-size: var(--font-s);
  color: var(--color-darkmint);
  margin-left: 1rem;
}

#closeUnitArea1 {
  font-size: 4rem;
  background: none;
  border: none;
  color: var(--color-darkmint);
  cursor: pointer;
}


.unit-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
}


.unit-video {
  max-width: 80%;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
}

.unit-description {
  font-size: var(--font-s);
  color: var(--color-dark);
  max-width: 75%;
  margin: 0 auto 2rem auto;
  text-align: center;
}

.unit-page {
  text-align: center;
}


#quizSummary {
  font-size: var(--font-s);
  font-weight: var(--font-medium);
  color: var(--color-verydark);
  margin-bottom: 1rem;
}

.unit-footer {
  display: flex;
  justify-content: flex-end;
  padding: 2rem;
}