/* Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: Arial, sans-serif;
  background: #f9fafb;
  color: #333;
  line-height: 1.6;
}
a { text-decoration: none; color: inherit; }

/* Header */
header {
  background: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-container a {
  display: inline-block;
}

.logo { height: 40px; }
header nav a {
  margin: 0 12px;
  font-weight: 500;
}
header nav a:hover { color: #2563eb; }
header nav .highlight { font-weight: bold; }

.lead {
  background: #f3f4f6;
  border-left: 4px solid #2563eb;
  padding: 16px 24px;
  margin: 24px 0 32px 0;
  font-size: 1.1rem;
  color: #444;
  border-radius: 4px;
}

/* Hero */
.hero {
  background: #2563eb;
  color: #fff;
  text-align: center;
  padding: 80px 20px;
}
.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}
.hero p {
  max-width: 700px;
  margin: 0 auto 30px;
  font-size: 1.2rem;
}
.btn {
  display: inline-block;
  margin: 10px;
  padding: 14px 28px;
  border-radius: 6px;
  font-weight: bold;
}
.btn-primary {
  background: #fff;
  color: #2563eb;
}
.btn-primary:hover { background: #f3f4f6; }
.btn-secondary {
  border: 2px solid #fff;
  color: #fff;
}
.btn-secondary:hover {
  background: #fff;
  color: #2563eb;
}
.btn-blue {
  background: #2563eb;
  color: #fff;
  border: 2px solid #2563eb; 
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.btn-blue:hover { background: #fff; }

.active {
  color: #2563eb;
  font-weight: bold;
}

/* Sections */
section {
  padding: 20px 25px 30px 25px;
}

.header-image {
  margin: 0 0 24px 0;
  padding: 0;
}

.header-image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  box-shadow: 0 4px 24px rgba(37,99,235,0.10), 0 1.5px 6px rgba(0,0,0,0.04);
  border: 2px solid #e5e7eb;
  margin: 0 auto;
  transition: box-shadow 0.3s, transform 0.3s;
}

.header-image figcaption {
  font-size: 1.08rem;
  margin-top: 5px;
  text-align: left;
  background: #f3f4f6;
  padding: 5px 18px;
  border-radius: 0 0 10px 10px;
  font-style: italic;
  box-shadow: 0 2px 8px rgba(37,99,235,0.06);
}

h3 {
  font-size: 2rem;
  margin-bottom: 20px;
  text-align: center;
  color: #2563eb;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0px 20px;
}
.text-center { text-align: center; }
.bg-light { background: #f3f4f6; }

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.feature-box {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.feature-box h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

a {
  color: #2563eb;
  text-decoration: none;
  text-underline-offset: 2px;
  transition: color 0.2s;
}

a:hover,
a:focus {
  color: #2563eb;
  text-decoration-thickness: 2px;
  text-decoration-color: #1d4ed8;
}

.btn-blue:focus,
.btn-blue:active {
  background: #2563eb;
  color: #fff;
  outline: none;
}

.btn-blue:hover,
.btn-blue:focus:hover {
  background: #fff;
  color: #2563eb;
  border-color:#e5e7eb;
}

header nav a {
  color: inherit;
  text-decoration: none;
  margin: 0 12px;
  font-weight: 500;
}
header nav a:hover {
  color: #2563eb;
  text-decoration: none;
}

.milestones-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}

.milestone-item {
  background: #fff;
  border-left: 4px solid #2563eb;
  border-radius: 4px;
  padding: 18px 24px;
  box-shadow: 0 2px 8px rgba(37,99,235,0.04);
}

.milestone-item h4 {
  margin: 0 0 6px 0;
  color: #2563eb;
  font-size: 1.15rem;
}

.milestone-item p {
  margin: 0;
  color: #333;
  font-size: 1rem;
}

.software-section-title {
  font-size: 1.3rem;
  color: #2563eb;
  margin-top: 36px;
  margin-bottom: 8px;
  text-align: left;
  letter-spacing: 0.01em;
}

.software-section-desc {
  margin-bottom: 18px;
  color: #444;
  font-size: 1.05rem;
}

.resource-list {
  margin: 18px 0 0 0;
  padding-left: 24px;
  font-size: 1.07rem;
  color: #333;
}

.resource-list li {
  margin-bottom: 10px;
  line-height: 1.6;
}

/* table */

/* Responsive Table Styles */
.responsive-table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin: 24px 0;
  border-radius: 8px;
  background: #f3f4f6;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.responsive-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
  color: #333;
  background: #f3f4f6;
  
}

.responsive-table th,
.responsive-table td {
  padding: 10px 14px;
  text-align: left;
  border: 1px solid #a1a4a8;
  vertical-align: top;
}

.responsive-table th {
  background: #e5e7eb;
  color: #2563eb;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.responsive-table tr:last-child td {
  border-bottom: none;
}

.responsive-table a {
  color: #2563eb;
  text-decoration: underline;
  transition: color 0.2s;
}

.responsive-table a:hover,
.responsive-table a:focus {
  color: #1e40af;
}

.responsive-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #e5e7eb;
}

@media (max-width: 768px) {
  .responsive-table-wrapper {
    margin-left: -12px;
    margin-right: -12px;
  }
  .responsive-table th,
  .responsive-table td {
    padding: 10px 8px;
    font-size: 0.97rem;
  }
}

/* editions:infoboxen */

.edition-infobox {
  background: #fff;
  border: 1px solid #a1a4a8;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  padding: 18px 22px;
  margin-bottom: 24px;
  font-size: 1rem;
  color: #333;
}

.edition-infobox h4 {
  margin-top: 0;
  color: #2563eb;
  font-size: 1.15rem;
  font-weight: 600;
}

.edition-infobox ul {
  list-style: none;
  padding-left: 0;
  margin: 12px 0 0 0;
}

.edition-infobox li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.edition-infobox a {
  color: #2563eb;
  text-decoration: underline;
}
.edition-infobox a:hover,
.edition-infobox a:focus {
  color: #1e40af;
}

.editions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

@media (max-width: 1024px) {
  .editions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 700px) {
  .editions-grid {
    grid-template-columns: 1fr;
  }
}

/* News list */

.news-list {
  list-style: none;
  padding-left: 0;
  margin: 24px 0 0 0;
}

.news-list li {
  display: flex;
  align-items: center;
  margin-bottom: 18px;
  font-size: 1.05rem;
}

.news-date {
  color: #2563eb;
  font-weight: 600;
  margin-right: 16px;
  min-width: 100px;
  font-size: 0.98rem;
}

.news-title {
  color: #333;
  text-decoration: underline;
  transition: color 0.2s;
}

.news-title:hover,
.news-title:focus {
  color: #2563eb;
}

/* news post */

.news-post {
  background: #f3f4f6;
  border: 1px solid #a1a4a8;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  padding: 28px 28px 20px 28px;
  margin: 32px auto;
  max-width: 700px;
  font-size: 1.08rem;
  color: #333;
}

.news-post h2 {
  margin-top: 0;
  color: #2563eb;
  font-size: 1.35rem;
  font-weight: 600;
}

.news-date-detail {
  color: #2563eb;
  font-weight: 500;
  margin-bottom: 18px;
  font-size: 1rem;
}

/* Footer */
footer {
  background: #111827;
  color: #9ca3af;
  text-align: center;
  padding: 20px;
}

footer a {
  color: #2563eb;         /* Gut sichtbares Blau */
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover,
footer a:focus {
  color: #1e40af;         /* Dunkleres Blau beim Hover */
  text-decoration: none;
}

/* Responsive Typography */
@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}