.investitur-cover {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  background: linear-gradient(#21171199, #211711dd), url('../karl-k11/assets/schreibraum.webp') center / cover #2a201a;
  color: #322416;
  font: 1.06rem/1.5 system-ui, sans-serif;
}
.cover-card {
  box-sizing: border-box;
  width: min(42rem, calc(100% - 2rem));
  margin: 1rem;
  padding: clamp(1.5rem, 6vw, 4rem);
  text-align: center;
  background: #fff3d8;
  border: 2px solid #b18750;
  border-radius: 1.25rem;
  box-shadow: 0 1.25rem 4rem #0008;
}
.cover-card img { object-fit: contain; }
.cover-card h1, .cover-card h2 { margin: .25em 0; font-family: Georgia, serif; line-height: 1.12; }
.cover-card h1 { font-size: clamp(2.15rem, 7vw, 4rem); }
.cover-card h2 { font-size: clamp(1.4rem, 4vw, 2rem); }
.cover-eyebrow, .investitur-book .book-date {
  color: #6b482d;
  font-size: .82rem;
  font-weight: 750;
  letter-spacing: .075em;
  text-transform: uppercase;
}
.cover-card a {
  display: inline-block;
  padding: .65rem 1.45rem;
  margin-top: .4rem;
  border-radius: .6rem;
  color: #fff7e5;
  background: #593d25;
  font-weight: 700;
  text-decoration: none;
}
.cover-card a:hover { background: #774d2d; }
dialog.investitur-book.learning-activity {
  width: min(64rem, calc(100vw - 1rem));
  max-width: none;
  max-height: calc(100dvh - 1rem);
  color: #302519;
}
.investitur-book .learning-body { background: #fcf2de; }
.investitur-book .learning-body > div { max-width: 58rem; margin: auto; }
.investitur-book h3 { font: bold clamp(1.35rem, 4vw, 2rem)/1.15 Georgia, serif; margin: .4rem 0 .75rem; }
.investitur-book h4 { margin: .25rem 0 .65rem; }
.investitur-book p { line-height: 1.5; margin: .55rem 0; }
.investitur-book .book-tabs, .investitur-book .book-nav { display: flex; flex-wrap: wrap; gap: .4rem; }
.investitur-book .book-tabs { border-bottom: 1px solid #c7ae89; padding-bottom: .8rem; margin-bottom: 1rem; }
.investitur-book .book-tabs button { font-size: .9rem; }
.investitur-book [aria-current="page"], .investitur-book button[aria-pressed="true"] {
  background: #dcead1;
  color: #243818;
  border-color: #557744;
}
.investitur-book button:disabled { opacity: .58; cursor: default; }
.investitur-book .book-source, .investitur-book .book-question, .investitur-book .book-speech {
  border: 1px solid #c8aa7f;
  border-radius: .6rem;
  background: #fffaf0;
  padding: .8rem;
  min-width: 0;
}
.investitur-book .book-sources { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .7rem; }
.investitur-book .book-source:first-child { border-top: .27rem solid #7c4535; }
.investitur-book .book-source:last-child { border-top: .27rem solid #526a49; }
.investitur-book .book-question { margin-top: .75rem; }
.investitur-book .book-source button, .investitur-book .book-question button {
  display: block;
  width: 100%;
  margin: .35rem 0;
  text-align: left;
  white-space: normal;
  overflow-wrap: anywhere;
  line-height: 1.4;
}
.investitur-book .book-credit { color: #614d37; font-size: .9rem; }
.investitur-book .book-feedback { font-weight: 650; color: #42552e; }
.investitur-book .book-feedback:empty { margin: 0; }
.investitur-book .learning-footer { flex-wrap: wrap; justify-content: space-between; gap: .4rem; }
@media (max-width: 650px) {
  .investitur-book .book-sources { grid-template-columns: 1fr; }
}
.investitur-chapters { display: grid; gap: .55rem; }
.cover-card .cover-back { background: transparent; color: #593d25; text-decoration: underline; }
.investitur-book .book-sources + h4 { margin-top: 1rem; }
.panorama-person[data-npc^="aachen-"]::before {
  content: "";
  position: absolute;
  inset: auto 24% 0;
  height: 4%;
  border-radius: 50%;
  background: radial-gradient(ellipse, #271d1566, transparent 72%);
  pointer-events: none;
}
.panorama-person[data-npc="aachen-fuersten-gruppe"] { z-index: 0; }
.investitur-book .monastery-conversation { margin: .85rem 0; }
.investitur-book.k12-dialogue .learning-body { overflow: auto; }
.investitur-book.k12-dialogue .book-nav { margin-left: auto; }

.investitur-book .coronation-book { margin: .5rem 0; }
.coronation-book .k11-book-hotspot::after { content: attr(data-label); }
dialog.coronation-transition {
  inset: 0;
  width: 100vw;
  height: 100dvh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
}
dialog.coronation-transition > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform-origin: 71% 54%;
  transition: transform var(--book-transition-duration) ease-in-out,
    opacity 600ms calc(var(--book-transition-duration) - 500ms);
}
dialog.coronation-transition > .coronation-transition-date {
  inset: 36% 10% auto;
  text-shadow: 0 2px 8px #21160c;
  transition: opacity 500ms calc(var(--book-transition-duration) - 650ms);
}
.coronation-transition .k11-transition-skip {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  z-index: 2;
  min-height: 44px;
  background: #fff4dc;
  color: #302719;
}
@media (prefers-reduced-motion: reduce) {
  dialog.coronation-transition.zoom > img { transform: none; opacity: .55; }
  dialog.coronation-transition > img,
  dialog.coronation-transition > .coronation-transition-date { transition: none; }
}

.speech-sequence-illustrated .learning-body { overflow: auto; }
.speech-sequence-visual { margin: .8rem 0 .35rem; text-align: center; }
.speech-sequence-visual img {
  display: block;
  width: 100%;
  max-height: 39dvh;
  object-fit: contain;
  margin: 0 auto;
}
.speech-sequence-visual figcaption { margin-top: .35rem; font-size: .88rem; }
.speech-map-viewport { overflow: auto; }
.speech-sequence-visual .speech-map-viewport img {
  width: 100%;
  min-width: 560px;
  max-height: none;
}

.investitur-book .learning-body > .church-map-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .294fr);
  gap: clamp(.35rem, 1.6vw, 1rem);
  width: min(100%, 89dvh);
  margin: .5rem auto 0;
  align-items: start;
}
.church-map, .church-office {
  margin: 0;
  text-align: center;
}
.church-office-crop {
  position: relative;
  overflow: hidden;
  aspect-ratio: 418 / 941;
  border-radius: .35rem;
  box-shadow: 0 1px 6px #59371e55;
}
.church-office-crop img {
  position: absolute;
  top: 0;
  left: var(--portrait-offset);
  display: block;
  width: 400%;
  max-width: none;
}
.church-office figcaption {
  margin-top: .35rem;
  font-size: clamp(.65rem, 2.6vw, .95rem);
  font-weight: 700;
}
.church-map-viewport {
  overflow: hidden;
  border-radius: .35rem;
  box-shadow: 0 1px 6px #59371e55;
}
.church-map-track {
  display: flex;
  align-items: flex-start;
  transition: transform .85s ease-in-out;
}
.church-map-track.toward-rome { transform: translateX(-100%); }
.church-map-region, .church-map-track > img { flex: 0 0 100%; min-width: 0; }
.church-map-region { position: relative; }
.church-map img { display: block; width: 100%; }
.church-map-marker {
  position: absolute;
  width: clamp(.65rem, 2.3vw, 1.25rem);
  aspect-ratio: 1;
  border: 2px solid #9e2e21;
  border-radius: 50%;
  box-shadow: 0 0 0 2px #fff4c9;
  transform: translate(-50%, -50%);
}
.church-map figcaption { margin-top: .35rem; font-size: .9rem; }
@media (prefers-reduced-motion: reduce) {
  .church-map-track { transition: none; }
}

.coronation-transition > audio { display: none; }

.coronation-transition #k19-zoom-sound {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  min-height: 44px;
  background: #fff4dc;
  color: #302719;
}