* {
  box-sizing: border-box;
}
/* Sollte auch für Apple/Mac funktionieren, aber kann ich nicht testen, weil kein Apple/Mac*/
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  background: #f9fafb;
  color: #111827;
}


.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem;
}

.site-header {
  background: #111827;
  color: #f9fafb;
  padding: 2rem 0;
}

.site-header h1 {
  margin: 0;
  font-size: 2rem;
}

.subtitle {
  margin-top: 0.5rem;
  font-size: 1rem;
  opacity: 0.9;
}

h2 {
  margin-top: 2rem;
  font-size: 1.5rem;
  border-bottom: 2px solid #e5e7eb;
  padding-bottom: 0.25rem;
}
section {
  margin-bottom: 1.5rem;
  background: #ffffff;
  padding: 1rem 1.25rem;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}
/* Für Handy*/
@media (max-width: 600px) {
  .container {
    padding: 1rem;
  }
  .site-header h1 {
    font-size: 1.6rem;
  }
}
.site-footer {
  margin-top: 2rem;
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.875rem;
  color: #6b7280;
}

/* Glossar für Fachbegriffe */
.glossary-term {
  position: relative;
  cursor: help;
  border-bottom: 1px dotted #6b7280;
}

/* Der Glossar Tooltip */
.glossary-term::after {
  content: attr(data-definition);
  position: absolute;
  left: 0;
  bottom: 120%;
  z-index: 10;
  display: none;
  max-width: 260px;
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  line-height: 1.4;
  color: #111827;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.15);
}

/* kleiner Pfeil nach unten */
.glossary-term::before {
  content: "";
  position: absolute;
  left: 10px;
  bottom: 110%;
  border-width: 6px;
  border-style: solid;
  border-color: #e5e7eb transparent transparent transparent;
  display: none;
}

/* Glossar bei Hover */
.glossary-term:hover::after,
.glossary-term:focus::after,
.glossary-term:hover::before,
.glossary-term:focus::before {
  display: block;
}

/* Für mini Screens, sozusagen */
@media (max-width: 480px) {
  .glossary-term::after {
    max-width: 220px;
    font-size: 0.75rem;
  }
}