:root {
  --color-primary: #3a8a6d;
  --color-primary-dark: #2e6b57;
  --color-secondary: #1b5e20;
  --color-bg-light: #f0f7f4;
  --color-bg-accent: #e0f2e9;
  --color-bg-neutral: #fafafa;
  --color-text-dark: #2c3e2f;
  --color-text-light: #5a6b67;
  --color-border: #d0ddd9;
  --spacing-hero: 180px;
  --spacing-section: 120px;
  --max-width-content: 1520px;
  --max-width-full: 1920px;
}

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

html, body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: #ffffff;
  color: var(--color-text-dark);
  line-height: 1.72;
  font-size: 18px;
  letter-spacing: 0.3px;
}

body {
  background-color: #ffffff;
}

h1 {
  font-size: 48px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -1.2px;
  color: var(--color-text-dark);
  margin-bottom: 32px;
  text-rendering: optimizeLegibility;
}

h2 {
  font-size: 36px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.8px;
  color: var(--color-text-dark);
  margin-bottom: 24px;
  margin-top: 48px;
}

h3 {
  font-size: 24px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-text-dark);
  margin-bottom: 16px;
  margin-top: 32px;
}

p {
  max-width: 680px;
  margin-bottom: 20px;
  color: var(--color-text-light);
  line-height: 1.72;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.3s ease, border-color 0.3s ease;
}

a:hover {
  color: var(--color-primary-dark);
  border-bottom: 1px solid var(--color-primary-dark);
}

button, .btn {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

button:hover, .btn:hover {
  color: var(--color-primary-dark);
  border-bottom: 2px solid var(--color-primary-dark);
}

.container-full {
  width: 100%;
  padding: 0;
}

.container-content {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding-left: 80px;
  padding-right: 120px;
  width: 100%;
}

header {
  position: sticky;
  top: 0;
  width: 100%;
  background: #ffffff;
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 0 -3px rgba(0, 0, 0, 0.02);
}

header .navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 80px;
  max-width: var(--max-width-full);
  margin: 0 auto;
}

header .logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text-dark);
  text-decoration: none;
  letter-spacing: -0.5px;
}

header nav {
  display: flex;
  gap: 48px;
  align-items: center;
}

header nav a {
  font-size: 16px;
  color: var(--color-text-dark);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

header nav a:hover {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
}

.hero-block {
  width: 100%;
  position: relative;
  overflow: hidden;
  height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-light) 0%, #ffffff 100%);
}

.hero-block img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-block .overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-block .overlay h1 {
  font-size: 72px;
  color: var(--color-text-dark);
  max-width: 900px;
  line-height: 1.2;
  letter-spacing: -1.2px;
}

section {
  width: 100%;
  padding: var(--spacing-section) 0;
}

.section-intro,
.section-biochem,
.section-pflanzenportraets,
.section-lebensstilfaktoren,
.section-quellenvergleich,
.section-faq,
.section-hinweis,
.section-zusammenfassung,
.section-bedarf,
.section-kontakt {
  background: #ffffff;
}

.section-intro .container-content,
.section-biochem .container-content,
.section-tabelle-vitamine .container-content,
.section-pflanzenportraets .container-content,
.section-lebensstilfaktoren .container-content,
.section-quellenvergleich .container-content,
.section-faq .container-content,
.section-hinweis .container-content,
.section-zusammenfassung .container-content,
.section-bedarf .container-content,
.section-kontakt .container-content {
  display: flex;
  align-items: flex-start;
  gap: 80px;
}

.text-block {
  flex: 1;
}

.image-block {
  flex: 0 0 auto;
  max-width: 500px;
}

.image-block img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  transition: box-shadow 0.4s ease, transform 0.4s ease;
}

.image-block:hover img {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  transform: scale(1.04);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 40px 0;
  background: #ffffff;
}

table thead {
  background: var(--color-bg-light);
}

table th {
  padding: 16px;
  text-align: left;
  font-weight: 600;
  color: var(--color-text-dark);
  border-bottom: 2px solid var(--color-border);
}

table td {
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-light);
}

table tbody tr:hover {
  background: #f9faf9;
}

.accordion {
  margin: 20px 0;
}

.accordion-item {
  border: 1px solid var(--color-border);
  margin-bottom: 12px;
  border-radius: 4px;
  overflow: hidden;
}

.accordion-header {
  padding: 20px;
  background: var(--color-bg-neutral);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s ease;
}

.accordion-header:hover {
  background: var(--color-bg-accent);
}

.accordion-header h3 {
  margin: 0;
  font-size: 18px;
  margin-top: 0;
}

.accordion-toggle {
  display: inline-block;
  width: 24px;
  height: 24px;
  text-align: center;
  line-height: 24px;
  transition: transform 0.3s ease;
}

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: #ffffff;
}

.accordion-item.active .accordion-content {
  max-height: 1000px;
  padding: 0 20px 20px 20px;
}

.accordion-content p {
  margin-bottom: 16px;
  font-size: 16px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--color-text-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  max-width: 500px;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 16px;
  color: var(--color-text-dark);
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(58, 138, 109, 0.1);
}

.form-disclaimer {
  font-size: 14px;
  color: var(--color-text-light);
  margin-top: 12px;
  font-style: italic;
}

.submit-btn {
  background: var(--color-primary);
  color: #ffffff;
  padding: 12px 32px;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.3s ease;
}

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

.disclaimer-block {
  background: var(--color-bg-accent);
  padding: 32px;
  border-radius: 4px;
  border-left: 4px solid var(--color-secondary);
  margin: 48px 0;
}

.disclaimer-block p {
  margin-bottom: 12px;
  color: var(--color-text-dark);
}

.disclaimer-block p:last-child {
  margin-bottom: 0;
}

footer {
  width: 100%;
  background: var(--color-bg-light);
  padding: var(--spacing-section) 80px;
  border-top: 1px solid var(--color-border);
}

footer .container-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 80px;
  padding-left: 0;
  padding-right: 0;
}

footer .footer-section h3 {
  font-size: 18px;
  margin-top: 0;
  margin-bottom: 20px;
}

footer .footer-section p {
  font-size: 14px;
  margin-bottom: 12px;
  color: var(--color-text-light);
}

footer .footer-section a {
  display: block;
  font-size: 14px;
  margin-bottom: 12px;
  color: var(--color-text-light);
}

footer .footer-bottom {
  text-align: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-text-light);
}

footer .footer-message {
  font-weight: 500;
  color: var(--color-text-dark);
  margin-top: 24px;
}

.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  overflow: auto;
}

.modal.show {
  display: block;
}

.modal-content {
  background-color: #ffffff;
  margin: 40px auto;
  padding: 40px;
  max-width: 800px;
  border-radius: 8px;
  max-height: 85vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
  margin: 0;
  font-size: 28px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--color-text-dark);
  padding: 0;
}

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

.modal-body {
  font-size: 16px;
  line-height: 1.72;
  color: var(--color-text-light);
}

.modal-body h3 {
  font-size: 20px;
  margin-top: 24px;
  margin-bottom: 12px;
}

.modal-body ul,
.modal-body ol {
  margin-left: 20px;
  margin-bottom: 20px;
}

.modal-body li {
  margin-bottom: 8px;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-text-dark);
  color: #ffffff;
  padding: 24px 32px;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.15);
  z-index: 1500;
  display: none;
}

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

.cookie-content {
  max-width: var(--max-width-full);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.cookie-text {
  flex: 1;
  font-size: 14px;
  line-height: 1.5;
}

.cookie-buttons {
  display: flex;
  gap: 12px;
  white-space: nowrap;
}

.cookie-btn {
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.cookie-accept {
  background: var(--color-primary);
  color: #ffffff;
}

.cookie-accept:hover {
  background: var(--color-primary-dark);
}

.cookie-decline {
  background: transparent;
  color: #ffffff;
  border: 1px solid #ffffff;
}

.cookie-decline:hover {
  background: rgba(255, 255, 255, 0.1);
}

.cookie-more {
  background: transparent;
  color: #ffffff;
  border: none;
  padding: 10px 0;
  text-decoration: underline;
}

.cookie-more:hover {
  opacity: 0.8;
}

.thank-you-modal {
  display: none;
  position: fixed;
  z-index: 3000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.thank-you-modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.thank-you-content {
  background: #ffffff;
  padding: 48px;
  border-radius: 8px;
  text-align: center;
  max-width: 600px;
  animation: slideIn 0.4s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.thank-you-content h2 {
  margin-top: 0;
  color: var(--color-primary);
}

.thank-you-content p {
  margin-bottom: 24px;
}

.thank-you-close {
  background: var(--color-primary);
  color: #ffffff;
  padding: 10px 24px;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  cursor: pointer;
}

.thank-you-close:hover {
  background: var(--color-primary-dark);
}

.image-medium {
  max-width: 400px;
  height: auto;
  border-radius: 4px;
  display: inline-block;
}

.image-small {
  max-width: 300px;
  height: auto;
  border-radius: 4px;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.plant-portrait {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}

.plant-portrait:last-child {
  border-bottom: none;
}

.plant-portrait h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

.plant-portrait p {
  font-size: 16px;
  margin-bottom: 12px;
}

.lifestyle-list {
  list-style: none;
}

.lifestyle-list li {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.lifestyle-list li:last-child {
  border-bottom: none;
}

.lifestyle-list strong {
  color: var(--color-text-dark);
}

.cta-link {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.cta-link:hover {
  border-bottom: 2px solid var(--color-primary);
}

@media (max-width: 768px) {
  :root {
    --spacing-section: 80px;
  }

  html, body {
    font-size: 16px;
  }

  h1 {
    font-size: 36px;
    letter-spacing: -0.8px;
  }

  h2 {
    font-size: 28px;
    letter-spacing: -0.6px;
  }

  h3 {
    font-size: 20px;
  }

  .container-content {
    padding-left: 32px;
    padding-right: 32px;
  }

  header .navbar {
    padding: 16px 32px;
    flex-direction: column;
    gap: 16px;
  }

  header nav {
    gap: 24px;
    flex-direction: column;
  }

  .hero-block {
    height: 400px;
  }

  .hero-block .overlay h1 {
    font-size: 48px;
  }

  .section-intro .container-content,
  .section-biochem .container-content,
  .section-pflanzenportraets .container-content,
  .section-lebensstilfaktoren .container-content,
  .section-quellenvergleich .container-content,
  .section-faq .container-content,
  .section-hinweis .container-content,
  .section-zusammenfassung .container-content,
  .section-bedarf .container-content,
  .section-kontakt .container-content {
    flex-direction: column;
    gap: 40px;
  }

  .image-block {
    max-width: 100%;
  }

  table {
    font-size: 14px;
  }

  table th,
  table td {
    padding: 12px;
  }

  footer .container-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-buttons {
    width: 100%;
    flex-wrap: wrap;
  }

  .two-column {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .modal-content {
    margin: 20px;
    padding: 24px;
  }
}