/* One-Page-Layout fuer die Startseite (index.html) */

.op-main {
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* Hero: grossflaechiges Startbild */
.op-hero {
  min-height: 100%;
  background-size: cover;
  background-position: center;
}

/* Inhaltsabschnitt: Bild links (sticky), Text rechts */
.op-section {
  display: flex;
  min-height: 100%;
  scroll-margin-top: 1rem;
}

.op-side {
  width: 25vw;
  min-width: 25vw;
  background-size: cover;
  background-position: center;
  position: sticky;
  top: 0;
  height: calc(100vh - 12vh - 77px);
}

.op-section .supertext {
  flex: 1;
  padding-bottom: 3rem;
}

/* Abschnitt ohne Seitenbild (z. B. Philosophie) */
.op-section.op-noside .supertext {
  width: 100%;
}

.op-clear {
  clear: both;
}

@media (orientation: portrait) {
  .op-side {
    display: none;
  }
}