@import url('https://fonts.googleapis.com/css2?family=Raleway:wght@300;400;500;700&display=swap');


:root {
  --primary-bg: #121212;
  --secondary-bg: #1e1e1e;
  --accent: #845eff;
  --secondary-accent: #f5ba53;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --success: #4caf50;
  --error: #f44336;
  --border: #333333;
}

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

body {
  font-family: 'Raleway', sans-serif;
  background-color: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--secondary-accent);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
  color: var(--secondary-accent);
}

p {
  margin-bottom: 1.5rem;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0;
}

.section-sm {
  padding: 2rem 0;
}

.bg-secondary {
  background-color: var(--secondary-bg);
}

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

.mt-4 {
  margin-top: 1rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.py-2 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}


header {
  background-color: rgba(18, 18, 18, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
}

.logo {
  height: 40px;
  width: auto;
}

.nav-desktop {
  display: flex;
  align-items: center;
}

.nav-desktop ul {
  display: flex;
  list-style: none;
}

.nav-desktop ul li {
  margin: 0 1rem;
}

.nav-desktop ul li a {
  color: var(--text-primary);
  font-weight: 500;
  padding: 0.5rem;
  position: relative;
}

.nav-desktop ul li a:after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--accent);
  transition: width 0.3s ease;
}

.nav-desktop ul li a:hover:after,
.nav-desktop ul li a.active:after {
  width: 100%;
}

.nav-mobile {
  display: none;
}

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
}

.cookie-button {
  background-color: var(--secondary-bg);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  margin-left: 1rem;
  transition: all 0.3s ease;
}

.cookie-button:hover {
  background-color: var(--border);
}


.hero {
  position: relative;
  padding: 6rem 0;
  background-color: var(--secondary-bg);
  overflow: hidden;
}

.hero:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/hero-image.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-title {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

.update-date {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  display: block;
}


.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.card {
  background-color: var(--secondary-bg);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.card-img {
  height: 200px;
  overflow: hidden;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--secondary-accent);
}

.card-text {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.card-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--accent);
  color: var(--text-primary);
  border-radius: 4px;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

.card-link:hover {
  background-color: var(--secondary-accent);
  color: var(--primary-bg);
}


.main-article {
  margin: 3rem 0;
}

.main-article h2 {
  color: var(--secondary-accent);
  margin-bottom: 1.5rem;
}

.content-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.content-block {
  margin-bottom: 3rem;
}

.content-block h3 {
  margin-bottom: 1rem;
  color: var(--accent);
}

.image-block {
  margin: 2rem 0;
  border-radius: 8px;
  overflow: hidden;
}

.image-block img {
  width: 100%;
  border-radius: 8px;
  transition: transform 0.3s ease;
}

.image-block:hover img {
  transform: scale(1.02);
}


.contact-form {
  background-color: var(--secondary-bg);
  padding: 2rem;
  border-radius: 8px;
  margin: 3rem 0;
  border: 1px solid var(--border);
}

.contact-form h2 {
  margin-bottom: 1.5rem;
  color: var(--secondary-accent);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background-color: var(--primary-bg);
  color: var(--text-primary);
  transition: border-color 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
}

.form-checkbox {
  display: flex;
  align-items: start;
  margin-bottom: 1.5rem;
}

.form-checkbox input[type="checkbox"] {
  margin-top: 0.3rem;
  margin-right: 0.5rem;
}

.checkbox-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--accent);
  color: var(--text-primary);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: var(--secondary-accent);
  color: var(--primary-bg);
}

.btn-block {
  display: block;
  width: 100%;
}


.updates-section {
  background-color: var(--secondary-bg);
  padding: 3rem;
  border-radius: 8px;
  margin: 3rem 0;
}

.update-item {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.5rem;
}

.update-item:last-child {
  margin-bottom: 0;
  border-bottom: none;
  padding-bottom: 0;
}

.update-date {
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  display: block;
}


footer {
  background-color: var(--secondary-bg);
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.footer-column h3 {
  color: var(--secondary-accent);
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links li a {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.footer-links li a:hover {
  color: var(--accent);
}

.contact-info {
  color: var(--text-secondary);
}

.contact-info p {
  margin-bottom: 0.75rem;
}

.copyright {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  text-align: center;
  font-size: 0.9rem;
}


.page-header {
  padding: 4rem 0;
  background-color: var(--secondary-bg);
  margin-bottom: 3rem;
  position: relative;
  overflow: hidden;
}

.page-header:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  z-index: 1;
}

.best-practices-header:before {
  background-image: url('../images/best-practices-header.jpg');
}

.common-mistakes-header:before {
  background-image: url('../images/common-mistakes-header.jpg');
}

.praxisbeispiele-header:before {
  background-image: url('../images/case-study-example.jpg');
}

.datensets-guide-header:before {
  background-image: url('../images/training-data-guide.jpg');
}

.page-header-content {
  position: relative;
  z-index: 2;
}

.page-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}


.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal.show {
  display: flex;
}

.modal-content {
  background-color: var(--secondary-bg);
  border-radius: 8px;
  width: 90%;
  max-width: 500px;
  position: relative;
  overflow: hidden;
}

.modal-content:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/modal-background.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.1;
  z-index: -1;
}

.modal-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.5rem;
  color: var(--secondary-accent);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.3s ease;
}

.modal-close:hover {
  color: var(--error);
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: right;
}


.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--secondary-bg);
  padding: 1.5rem;
  box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.3);
  z-index: 999;
  display: none;
}

.cookie-consent.show {
  display: block;
}

.cookie-content {
  display: flex;
  flex-direction: column;
}

.cookie-text {
  margin-bottom: 1.5rem;
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cookie-button-accept {
  background-color: var(--accent);
}

.cookie-button-reject {
  background-color: var(--error);
}

.cookie-button-settings {
  background-color: var(--secondary-bg);
  border: 1px solid var(--border);
}


.cookie-settings-modal .modal-body {
  max-height: 60vh;
  overflow-y: auto;
}

.cookie-category {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.cookie-category:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.cookie-category-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.cookie-category-title {
  font-size: 1.2rem;
  color: var(--secondary-accent);
}

.cookie-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.cookie-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.cookie-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border);
  transition: .4s;
  border-radius: 24px;
}

.cookie-slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 4px;
  background-color: var(--text-primary);
  transition: .4s;
  border-radius: 50%;
}

input:checked + .cookie-slider {
  background-color: var(--accent);
}

input:checked + .cookie-slider:before {
  transform: translateX(26px);
}

.cookie-category-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
}


.location-map {
  width: 100%;
  height: 400px;
  border-radius: 8px;
  overflow: hidden;
  margin: 2rem 0;
}

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


.legal-content {
  background-color: var(--secondary-bg);
  padding: 2rem;
  border-radius: 8px;
  margin-bottom: 3rem;
}

.legal-content h2 {
  color: var(--secondary-accent);
  margin: 2rem 0 1rem;
}

.legal-content h3 {
  color: var(--accent);
  margin: 1.5rem 0 1rem;
}

.legal-list {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.legal-list li {
  margin-bottom: 0.5rem;
}


.iti {
  width: 100%;
}


.thank-you-container {
  text-align: center;
  padding: 6rem 0;
}

.thank-you-icon {
  font-size: 5rem;
  color: var(--success);
  margin-bottom: 2rem;
}

.return-home {
  margin-top: 2rem;
}


@media (max-width: 768px) {
  .header-container {
    padding: 1rem;
  }
  
  .logo {
    height: 32px;
  }
  
  .nav-desktop {
    display: none;
  }
  
  .hamburger {
    display: block;
  }
  
  .nav-mobile {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--secondary-bg);
    padding: 2rem 1rem;
    z-index: 101;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
  }
  
  .nav-mobile.show {
    display: block;
    transform: translateX(0);
  }
  
  .nav-mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
  }
  
  .nav-close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
  }
  
  .nav-mobile ul {
    list-style: none;
  }
  
  .nav-mobile ul li {
    margin-bottom: 1rem;
  }
  
  .nav-mobile ul li a {
    color: var(--text-primary);
    font-weight: 500;
    display: block;
    padding: 0.5rem 0;
  }
  
  .mobile-cookie-button {
    margin-top: 2rem;
    width: 100%;
  }
  
  .overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 100;
    display: none;
  }
  
  .overlay.show {
    display: block;
  }
  
  .hero-title {
    font-size: 2.25rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .content-columns {
    grid-template-columns: 1fr;
  }
  
  .cookie-content {
    flex-direction: column;
  }
  
  .cookie-buttons {
    flex-direction: column;
  }
  
  .cookie-button {
    width: 100%;
    margin: 0.5rem 0;
    text-align: center;
  }
  
  .modal-content {
    width: 95%;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
}