:root {
  --color-primary: #2E5E40;
  --color-secondary: #1F4C2C;
  --color-tertiary: #4B8E5F;
  --color-quaternary: #7DB343;
  --color-accent: #E9B94E;
  --color-white: #ffffff;
  --color-gray-light: #f9fafb;
  --color-gray: #6b7280;
  --color-dark: #1f2937;
  --font-primary: 'Inter', sans-serif;
  --transition: all 0.3s ease;
}

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

body {
  font-family: var(--font-primary);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-dark);
  background: var(--color-white);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

.navbar-fixed {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(46, 94, 64, 0.08);
  z-index: 1000;
  padding: 0.875rem 0;
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.02);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar-brand img {
  height: 42px;
  width: auto;
}

.brand-descriptor {
  font-size: .9rem;
  color: var(--color-gray);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-dark);
  padding: 0.5rem 1rem;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--color-primary);
}

.hero-lens {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
  background: linear-gradient(145deg, rgba(46, 94, 64, 0.03) 0%, rgba(75, 142, 95, 0.05) 100%);
  position: relative;
}

.hero-lens__content h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-lens__content p {
  font-size: 1.1875rem;
  color: var(--color-gray);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.btn-primary-custom {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.875rem 2rem;
  border-radius: 4px;
  font-weight: 600;
  border: 2px solid var(--color-primary);
  transition: var(--transition);
  display: inline-block;
}

.btn-primary-custom:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-white);
}

.btn-secondary-custom {
  background: transparent;
  color: var(--color-primary);
  padding: 0.875rem 2rem;
  border-radius: 4px;
  font-weight: 600;
  border: 2px solid var(--color-primary);
  transition: var(--transition);
  display: inline-block;
}

.btn-secondary-custom:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.hero-microline {
  font-size: 0.8125rem;
  color: var(--color-gray);
  font-style: italic;
}

.hero-lens__visual img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 24px 64px rgba(46, 94, 64, 0.12);
}

.lens-module {
  background: var(--color-white);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid rgba(46, 94, 64, 0.1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.lens-scale {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 1.5rem 0;
  position: relative;
}

.lens-scale::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #D84545 0%, var(--color-accent) 50%, var(--color-primary) 100%);
  top: 50%;
  transform: translateY(-50%);
  z-index: 0;
}

.scale-marker {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-white);
  border: 3px solid var(--color-gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
  z-index: 1;
  position: relative;
}

.scale-marker:hover,
.scale-marker.active {
  border-color: var(--color-primary);
  transform: scale(1.15);
}

.lens-label {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.9375rem;
  color: var(--color-gray);
}

.section-brown-green {
  padding: 6rem 0;
  background: var(--color-white);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 2rem;
  line-height: 1.2;
}

.thermal-line {
  height: 3px;
  background: linear-gradient(90deg, #C97A5F 0%, var(--color-accent) 50%, var(--color-primary) 100%);
  margin: 2rem 0 3rem;
  border-radius: 2px;
}

.brown-green-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
}

.column-brown,
.column-green {
  padding: 2rem;
  border-radius: 8px;
}

.column-brown {
  background: linear-gradient(135deg, rgba(201, 122, 95, 0.05) 0%, rgba(201, 122, 95, 0.02) 100%);
  border-left: 4px solid #C97A5F;
}

.column-green {
  background: linear-gradient(135deg, rgba(46, 94, 64, 0.05) 0%, rgba(46, 94, 64, 0.02) 100%);
  border-left: 4px solid var(--color-primary);
}

.column-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.bullet-list {
  list-style: none;
  padding: 0;
}

.bullet-list li {
  padding: 0.75rem 0;
  padding-left: 1.5rem;
  position: relative;
  font-size: 1rem;
  line-height: 1.6;
}

.bullet-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  font-weight: 700;
  font-size: 1.25rem;
}

.column-brown .bullet-list li::before {
  color: #C97A5F;
}

.column-green .bullet-list li::before {
  color: var(--color-primary);
}

.section-regelwerk {
  padding: 6rem 0;
  background: var(--color-gray-light);
}

.regelwerk-timeline {
  position: relative;
  padding: 3rem 0;
  margin-top: 3rem;
}

.timeline-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  top: 2rem;
}

.timeline-items {
  display: flex;
  justify-content: space-between;
  position: relative;
}

.timeline-item {
  flex: 1;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.timeline-marker {
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 50%;
  margin: 0 auto 1rem;
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.timeline-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

.timeline-tooltip {
  font-size: 0.8125rem;
  color: var(--color-gray);
  margin-top: 0.5rem;
  opacity: 0;
  transition: var(--transition);
  max-height: 0;
  overflow: hidden;
}

.timeline-item:hover .timeline-tooltip {
  opacity: 1;
  max-height: 200px;
}

.section-disclaimer {
  margin-top: 2rem;
  padding: 1rem 1.5rem;
  background: rgba(233, 185, 78, 0.08);
  border-left: 3px solid var(--color-accent);
  border-radius: 4px;
  font-size: 0.875rem;
  color: var(--color-gray);
}

.section-ecovaluelogik {
  padding: 6rem 0;
  background: var(--color-white);
}

.pipeline-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 3rem;
}

.pipeline-step {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 2.5rem;
  background: var(--color-gray-light);
  position: relative;
}

.pipeline-step:nth-child(even) {
  background: var(--color-white);
  flex-direction: row-reverse;
}

.pipeline-step::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 5rem;
  width: 2px;
  height: 2rem;
  background: var(--color-primary);
}

.pipeline-step:last-child::after {
  display: none;
}

.step-number {
  min-width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-tertiary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  box-shadow: 0 8px 24px rgba(46, 94, 64, 0.2);
}

.step-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
}

.step-content p {
  color: var(--color-gray);
  line-height: 1.6;
}

.section-technologien {
  padding: 6rem 0;
  background: var(--color-gray-light);
}

.tech-showcase {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.tech-image-wrapper {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.08);
}

.tech-image-wrapper img {
  width: 100%;
}

.tech-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.tech-item {
  padding: 1.5rem;
  background: var(--color-white);
  border-radius: 8px;
  border: 2px solid transparent;
  transition: var(--transition);
  cursor: pointer;
}

.tech-item:hover {
  border-color: var(--color-primary);
  transform: translateX(8px);
}

.tech-item h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

.tech-item p {
  font-size: 0.9375rem;
  color: var(--color-gray);
  line-height: 1.6;
}

.section-fallbeispiel {
  padding: 6rem 0;
  background: var(--color-white);
}

.story-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.story-scene {
  background: var(--color-gray-light);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition);
}

.story-scene:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
}

.scene-image {
  height: 240px;
  overflow: hidden;
}

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

.scene-content {
  padding: 2rem;
}

.scene-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.scene-content h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
}

.scene-content p {
  font-size: 0.9375rem;
  color: var(--color-gray);
  line-height: 1.6;
}

.section-risiko {
  padding: 6rem 0;
  background: var(--color-gray-light);
}

.accordion-custom {
  max-width: 900px;
  margin: 3rem auto 0;
}

.accordion-item-custom {
  background: var(--color-white);
  border: 1px solid rgba(46, 94, 64, 0.1);
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.accordion-header-custom {
  padding: 1.5rem 2rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.accordion-header-custom:hover {
  background: var(--color-gray-light);
}

.accordion-header-custom h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-dark);
  margin: 0;
}

.accordion-icon {
  font-size: 1.25rem;
  color: var(--color-primary);
  transition: var(--transition);
}

.accordion-item-custom.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body-custom {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-body-custom-inner {
  padding: 0 2rem 1.5rem;
  color: var(--color-gray);
  line-height: 1.7;
}

.accordion-item-custom.active .accordion-body-custom {
  max-height: 500px;
}

.section-insights {
  padding: 6rem 0;
  background: var(--color-white);
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.insight-card {
  background: var(--color-gray-light);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition);
  border: 2px solid transparent;
}

.insight-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
}

.insight-cover {
  height: 180px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-tertiary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.insight-cover::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  top: -50px;
  right: -50px;
}

.insight-cover i {
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.9);
  z-index: 1;
}

.insight-content {
  padding: 1.75rem;
}

.insight-content h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.insight-content p {
  font-size: 0.875rem;
  color: var(--color-gray);
  line-height: 1.6;
}

.section-glossar {
  padding: 6rem 0;
  background: var(--color-gray-light);
}

.glossar-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 3rem;
}

.glossar-chip {
  padding: 0.75rem 1.5rem;
  background: var(--color-white);
  border: 2px solid rgba(46, 94, 64, 0.15);
  border-radius: 50px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  transition: var(--transition);
}

.glossar-chip:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.glossar-definition {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--color-white);
  border-radius: 8px;
  border-left: 4px solid var(--color-primary);
  display: none;
}

.glossar-definition.active {
  display: block;
}

.glossar-definition h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 1rem;
}

.glossar-definition p {
  color: var(--color-gray);
  line-height: 1.7;
}

.section-quellen {
  padding: 4rem 0;
  background: var(--color-white);
}

.quellen-content {
  max-width: 800px;
  margin: 0 auto;
}

.quellen-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.quellen-content p {
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.section-kontakt {
  padding: 6rem 0;
  background: var(--color-gray-light);
}

.kontakt-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
}

.kontakt-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 1.5rem;
}

.kontakt-info p {
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.kontakt-bullets {
  list-style: none;
  padding: 0;
}

.kontakt-bullets li {
  padding: 0.75rem 0;
  padding-left: 1.75rem;
  position: relative;
  color: var(--color-gray);
}

.kontakt-bullets li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.kontakt-form {
  background: var(--color-white);
  padding: 2.5rem;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
}

.form-control-custom {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid rgba(46, 94, 64, 0.15);
  border-radius: 4px;
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: var(--transition);
}

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

.form-control-custom select {
  cursor: pointer;
}

textarea.form-control-custom {
  resize: vertical;
  min-height: 140px;
}

.form-error {
  color: #DC2626;
  font-size: 0.8125rem;
  margin-top: 0.375rem;
  display: block;
}

.form-checkbox {
  display: flex;
  align-items: start;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.form-checkbox input[type="checkbox"] {
  margin-top: 0.25rem;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.form-checkbox label {
  font-size: 0.875rem;
  color: var(--color-gray);
  cursor: pointer;
  font-weight: 400;
}

.btn-submit {
  width: 100%;
  padding: 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 4px;
  font-size: 1.0625rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-submit:hover {
  background: var(--color-secondary);
}

.footer-main {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 4rem 0 2rem;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-column h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--color-white);
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-white);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

@media (max-width: 991px) {
  .hero-lens__content h1 {
    font-size: 2.25rem;
  }

  .brown-green-grid {
    grid-template-columns: 1fr;
  }

  .tech-showcase {
    grid-template-columns: 1fr;
  }

  .story-strip {
    grid-template-columns: 1fr;
  }

  .insights-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .kontakt-wrapper {
    grid-template-columns: 1fr;
  }

  .footer-columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .hero-lens__content h1 {
    font-size: 1.875rem;
  }

  .section-title {
    font-size: 1.875rem;
  }

  .insights-grid {
    grid-template-columns: 1fr;
  }

  .pipeline-step {
    flex-direction: column !important;
    text-align: center;
  }

  .pipeline-step::after {
    left: 50%;
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

.cookie-banner {
  position: fixed;
  right: 2rem;
  bottom: 2rem;
  max-width: 420px;
  background: var(--color-white);
  border-radius: 12px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
  padding: 2rem;
  z-index: 10000;
  border: 2px solid rgba(46, 94, 64, 0.1);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  display: none;
}

.cookie-banner.show {
  opacity: 1;
  transform: translateY(0);
  display: block;
}

.cookie-banner.hide {
  opacity: 0;
  transform: translateY(20px);
}

.cookie-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.75rem;
}

.cookie-content p {
  font-size: 0.9375rem;
  color: var(--color-gray);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.cookie-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.cookie-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.cookie-option input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.cookie-option input[type="checkbox"]:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.cookie-option label {
  font-size: 0.9375rem;
  color: var(--color-dark);
  cursor: pointer;
  font-weight: 500;
}

.cookie-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cookie-btn {
  padding: 0.875rem 1.5rem;
  border-radius: 6px;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}

.cookie-btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

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

.cookie-btn-secondary {
  background: var(--color-gray-light);
  color: var(--color-dark);
  border: 2px solid rgba(46, 94, 64, 0.2);
}

.cookie-btn-secondary:hover {
  background: rgba(46, 94, 64, 0.05);
}

.cookie-btn-text {
  background: transparent;
  color: var(--color-gray);
  border: none;
}

.cookie-btn-text:hover {
  color: var(--color-dark);
}

@media (max-width: 767px) {
  .cookie-banner {
    right: 1rem;
    bottom: 1rem;
    left: 1rem;
    max-width: none;
  }
}