* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f4f5f9;
  color: #20224a;
}
/* ==================================================
   Obere Navigationsleiste
   Zeigt wichtige Bereiche der Website
================================================== */

.top-nav {

    display: flex;                 /* Elemente nebeneinander */
    gap: 25px;                     /* Abstand zwischen Menüpunkten */

    align-items: center;           /* Vertikal zentrieren */

    background: white;             /* Weißer Hintergrund */

    padding: 20px 35px;            /* Innenabstand */

    border-radius: 20px;           /* Abgerundete Ecken */

    margin-bottom: 30px;           /* Abstand zum Hero-Bereich */

    box-shadow: 0 8px 25px rgba(0,0,0,0.05);

}

/* ==================================================
   Einzelne Menüpunkte
================================================== */

.nav-item {

    text-decoration: none;         /* Unterstreichung entfernen */

    color: #20224a;                /* Textfarbe */

    font-weight: 600;

    transition: 0.2s;

}

/* ==================================================
   Hover-Effekt
================================================== */

.nav-item:hover {

    color: #3542c6;

}
.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 24px;
}

.hero {
  background: linear-gradient(135deg, #ffffff, #eef0ff);
  border-radius: 28px;
  padding: 48px;
  box-shadow: 0 18px 45px rgba(30, 34, 90, 0.08);
  margin-bottom: 32px;
}

.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 700;
  color: #3542c6;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 82px);
  line-height: 0.95;
}

.intro {
  max-width: 620px;
  margin: 22px 0 0;
  font-size: 20px;
  color: #5a5d7a;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  align-items: start;
}

.content-card,
.accordion {
  background: #ffffff;
  border-radius: 22px;
  box-shadow: 0 14px 36px rgba(30, 34, 90, 0.07);
}

.content-card {
  min-height: 420px;
  padding: 36px;
}

.content-card h2 {
  margin-top: 0;
  font-size: 32px;
}

.sidebar {
  display: grid;
  gap: 14px;
}

.accordion {
  overflow: hidden;
  border: 1px solid #e2e4f0;
}

.accordion-header {
  width: 100%;
  border: 0;
  background: #ffffff;
  color: #20224a;
  padding: 22px 24px;
  font: inherit;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
}

.accordion-header:hover {
  background: #f7f8ff;
}

.chevron {
  font-size: 26px;
  transition: transform 0.25s ease;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease;
  border-top: 1px solid transparent;
}

.accordion-content p {
  margin: 0;
  padding: 0 24px 22px;
  color: #666987;
  line-height: 1.55;
}

.accordion.active .accordion-content {
  max-height: 180px;
  border-top-color: #eef0f6;
}

.accordion.active .chevron {
  transform: rotate(180deg);
}

@media (max-width: 850px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 34px 26px;
  }

  .content-card {
    min-height: 260px;
  }
}