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

:root {
  --color-primary: #00BCD4;
  --color-slate: #607D8B;
  --color-black: #000000;
  --color-white: #FAFAFA;
  --color-light: #F5F5F5;
}

html, body {
  background-color: var(--color-white);
  color: var(--color-black);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 300;
  line-height: 1.95;
  font-size: 16px;
  scroll-behavior: smooth;
}

.font-sans {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-primary);
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition: all 0.3s ease;
}

header nav {
  max-width: 1140px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.75rem;
  font-weight: 900;
  letter-spacing: -2px;
  color: var(--color-black);
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.logo:hover {
  opacity: 0.7;
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: 3rem;
  align-items: center;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-black);
  font-size: 0.95rem;
  font-weight: 400;
  position: relative;
  transition: color 0.3s ease;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

main {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 2rem;
}

h1 {
  font-size: 5.4rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -3px;
  margin: 3rem 0 1.5rem 0;
  text-align: center;
}

h2 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1px;
  margin: 2.5rem 0 1rem 0;
  text-align: center;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.5px;
  margin: 1.5rem 0 0.8rem 0;
}

p {
  margin-bottom: 1.5rem;
  font-weight: 300;
  line-height: 1.95;
  text-align: justify;
}

.accent {
  color: var(--color-primary);
  font-weight: 400;
}

section {
  padding: 4rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

section:last-child {
  border-bottom: none;
  padding-bottom: 6rem;
}

.hero-section {
  padding: 6rem 0;
  text-align: center;
}

.hero-image {
  max-width: 100%;
  height: auto;
  margin: 3rem 0;
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-height: 400px;
  width: auto;
}

.section-image {
  max-width: 100%;
  height: auto;
  margin: 2rem 0;
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-height: 300px;
  width: auto;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin: 2rem 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin: 2rem 0;
}

.card {
  padding: 2rem;
  background-color: var(--color-light);
  border: 1px solid rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: all 0.3s ease;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.card h3 {
  margin-top: 0;
  font-size: 1.25rem;
}

.card p {
  text-align: center;
  font-size: 0.95rem;
  line-height: 1.7;
}

.cta-link {
  display: inline-block;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 2px solid var(--color-primary);
  transition: all 0.3s ease;
  padding-bottom: 2px;
}

.cta-link:hover {
  opacity: 0.7;
  padding-bottom: 4px;
}

.button {
  display: inline-block;
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 1rem 2.5rem;
  text-decoration: none;
  font-weight: 500;
  border-radius: 0;
  transition: all 0.3s ease;
  border: 2px solid var(--color-black);
  cursor: pointer;
  font-size: 1rem;
  font-family: inherit;
}

.button:hover {
  background-color: var(--color-white);
  color: var(--color-black);
  box-shadow: 0 0 0 rgba(0, 0, 0, 0.1);
}

.button-secondary {
  background-color: var(--color-white);
  color: var(--color-black);
  border: 2px solid var(--color-black);
}

.button-secondary:hover {
  background-color: var(--color-black);
  color: var(--color-white);
}

form {
  max-width: 600px;
  margin: 2rem auto;
}

.form-group {
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
}

label {
  font-weight: 500;
  margin-bottom: 0.5rem;
  display: block;
}

input[type="email"],
textarea {
  padding: 1rem;
  border: 1px solid var(--color-slate);
  background-color: var(--color-white);
  color: var(--color-black);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
  transition: border-color 0.3s ease;
}

input[type="email"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

textarea {
  resize: vertical;
  min-height: 150px;
}

footer {
  background-color: var(--color-light);
  border-top: 1px solid var(--color-primary);
  padding: 4rem 2rem;
  margin-top: 6rem;
}

.footer-content {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.footer-section h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: 0.5px;
}

.footer-section p,
.footer-section a {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-black);
}

.footer-section a {
  text-decoration: none;
  display: block;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  text-align: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  font-size: 0.85rem;
  color: var(--color-slate);
}

.disclaimer {
  background-color: var(--color-light);
  padding: 2rem;
  border-left: 4px solid var(--color-primary);
  margin: 2rem 0;
  font-size: 0.95rem;
  line-height: 1.8;
}

.faq-item {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item h4 {
  font-weight: 600;
  margin-bottom: 0.8rem;
  font-size: 1.05rem;
}

.faq-item p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.educational-notice {
  text-align: center;
  padding: 2rem;
  background-color: var(--color-white);
  font-weight: 400;
  font-size: 1rem;
  color: var(--color-black);
  letter-spacing: 0.5px;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-top: 2px solid var(--color-primary);
  padding: 2rem;
  z-index: 999;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  display: none;
}

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

.cookie-banner-content {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
}

.cookie-banner-text {
  font-size: 0.95rem;
  line-height: 1.6;
}

.cookie-banner-text a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.cookie-banner-text a:hover {
  text-decoration: underline;
}

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

.cookie-banner button {
  padding: 0.75rem 1.5rem;
  border: none;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
  font-size: 0.9rem;
}

.btn-accept {
  background-color: var(--color-black);
  color: var(--color-white);
}

.btn-accept:hover {
  opacity: 0.8;
}

.btn-reject {
  background-color: var(--color-white);
  color: var(--color-black);
  border: 2px solid var(--color-black);
}

.btn-reject:hover {
  background-color: var(--color-light);
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-slate);
  margin-bottom: 2rem;
}

.breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.blog-teaser {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 3rem;
  padding: 2rem;
  background-color: var(--color-light);
  transition: all 0.3s ease;
}

.blog-teaser:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.blog-teaser-image {
  max-width: 100%;
  height: auto;
  max-height: 250px;
  width: auto;
}

.blog-teaser h3 {
  margin-top: 0;
  font-size: 1.35rem;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.8rem;
    letter-spacing: -1px;
    margin: 2rem 0 1rem 0;
  }

  h2 {
    font-size: 1.8rem;
    letter-spacing: -0.5px;
    margin: 1.5rem 0 0.8rem 0;
  }

  h3 {
    font-size: 1.2rem;
  }

  header nav {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    gap: 1.5rem;
    font-size: 0.85rem;
  }

  main {
    padding: 0 1.5rem;
  }

  section {
    padding: 2.5rem 0;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .cookie-banner-content {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .cookie-banner-buttons {
    flex-direction: column;
  }

  .blog-teaser {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
  }

  .hero-image,
  .section-image,
  .blog-teaser-image {
    max-height: 200px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.8rem;
    letter-spacing: 0;
    margin: 1.5rem 0 1rem 0;
  }

  h2 {
    font-size: 1.3rem;
    margin: 1.2rem 0 0.6rem 0;
  }

  header nav {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-links {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .card {
    padding: 1.5rem;
    min-height: auto;
  }

  form {
    max-width: 100%;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  p {
    text-align: left;
    font-size: 0.95rem;
  }

  .educational-notice {
    font-size: 0.9rem;
    padding: 1.5rem;
  }
}