/* Startseite: Scrollytelling – Pass dreht sich, klappt auf, Zoom auf die Seite, Lebensphasen */

.journey { position: relative; height: 620vh; }
.journey__stage {
  position: sticky;
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
  height: calc(100svh - var(--header-h));
  overflow: hidden;
  perspective: 1800px;
  background: var(--paper);
}

/* Einstieg */
.journey__intro {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  z-index: 3;
  will-change: opacity, transform;
}
.journey__intro-text { max-width: 34rem; }
.intro-emergency {
  margin: 1.5rem 0 0;
  padding: 0.7rem 0 0.7rem 1rem;
  border-left: 4px solid var(--stamp);
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--ink);
}
.intro-emergency strong { color: var(--stamp); }
.journey__intro h1 { max-width: 11ch; }
.journey__hint {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-soft);
  z-index: 3;
}
.journey__hint::after {
  content: "";
  width: 2px;
  height: 36px;
  background: linear-gradient(var(--pass) 0 50%, var(--page-line) 50%);
  background-size: 100% 200%;
  animation: hint 1.8s ease-in-out infinite;
}
@keyframes hint { 0% { background-position: 0 100%; } 100% { background-position: 0 -100%; } }

/* Das Buch */
.book {
  --u: 1px;
  --book-w: calc(360 * var(--u));
  --book-h: calc(480 * var(--u));
  position: absolute;
  left: 0;
  top: 0;
  width: var(--book-w);
  height: var(--book-h);
  transform-style: preserve-3d;
  transform-origin: 50% 50%;
  z-index: 2;
}
.book__page, .book__front, .book__inside { position: absolute; inset: 0; border-radius: calc(3 * var(--u)) calc(9 * var(--u)) calc(9 * var(--u)) calc(3 * var(--u)); }
.book__cover {
  position: absolute;
  inset: 0;
  transform-origin: 0 50%;
  transform-style: preserve-3d;
  transform: translateZ(calc(2 * var(--u)));
}
.book__front, .book__inside { backface-visibility: hidden; -webkit-backface-visibility: hidden; }

.book__front {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: calc(44 * var(--u)) calc(30 * var(--u)) calc(34 * var(--u));
  text-align: center;
  color: var(--label);
  background: var(--pass);
  box-shadow: inset calc(12 * var(--u)) 0 0 calc(-7 * var(--u)) rgba(0, 0, 0, 0.2), 0 calc(30 * var(--u)) calc(50 * var(--u)) calc(-26 * var(--u)) rgba(23, 33, 63, 0.75);
}
.book__name {
  display: block;
  width: calc(200 * var(--u));
  padding: calc(6 * var(--u)) calc(12 * var(--u)) calc(8 * var(--u));
  background: #fbf7e6;
  border-radius: calc(3 * var(--u));
  box-shadow: inset 0 0 0 calc(1 * var(--u)) rgba(23, 33, 63, 0.12);
  font-family: var(--font-hand);
  font-size: calc(26 * var(--u));
  line-height: 1.1;
  color: var(--pass);
  text-align: left;
  transform: rotate(-1.5deg);
}
.book__name small {
  display: block;
  font-family: var(--font);
  font-size: calc(10 * var(--u));
  color: var(--ink-soft);
}
.book__front svg { width: calc(150 * var(--u)); }
.book__front span { font-size: calc(14 * var(--u)); line-height: 1.45; color: rgba(243, 211, 74, 0.85); }

.book__inside {
  transform: rotateY(180deg);
  padding: calc(34 * var(--u)) calc(30 * var(--u)) calc(30 * var(--u)) calc(26 * var(--u));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--page) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='24' viewBox='0 0 120 24'%3E%3Cpath d='M0 12 C20 2 40 22 60 12 S100 2 120 12' fill='none' stroke='%23c9d6cd' stroke-width='1'/%3E%3C/svg%3E") 0 0 / calc(120 * var(--u)) calc(12 * var(--u));
  box-shadow: inset calc(-14 * var(--u)) 0 calc(18 * var(--u)) calc(-14 * var(--u)) rgba(23, 33, 63, 0.35);
  color: var(--ink);
}
.book__inside p { margin: 0; font-size: calc(15 * var(--u)); line-height: 1.45; max-width: 15em; }
.address-stamp {
  align-self: flex-start;
  padding: calc(10 * var(--u)) calc(12 * var(--u));
  border: calc(2 * var(--u)) solid var(--pass);
  border-radius: calc(4 * var(--u));
  color: var(--pass);
  font-size: calc(11.5 * var(--u));
  line-height: 1.45;
  transform: rotate(-3deg);
  mix-blend-mode: multiply;
  opacity: 0.85;
}
.address-stamp b { display: block; font-size: calc(13 * var(--u)); }

/* Die Passseite */
.passport {
  padding: calc(22 * var(--u)) calc(22 * var(--u)) calc(18 * var(--u)) calc(36 * var(--u));
  background: var(--page) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='24' viewBox='0 0 120 24'%3E%3Cpath d='M0 12 C20 2 40 22 60 12 S100 2 120 12' fill='none' stroke='%23c9d6cd' stroke-width='1'/%3E%3C/svg%3E") 0 0 / calc(120 * var(--u)) calc(12 * var(--u));
  box-shadow:
    calc(1 * var(--u)) calc(1 * var(--u)) 0 #fff, calc(2 * var(--u)) calc(2 * var(--u)) 0 var(--page-line),
    calc(3 * var(--u)) calc(3 * var(--u)) 0 #fff, calc(4 * var(--u)) calc(4 * var(--u)) 0 var(--page-line),
    calc(5 * var(--u)) calc(5 * var(--u)) 0 #fff, calc(6 * var(--u)) calc(6 * var(--u)) 0 var(--page-line),
    0 calc(34 * var(--u)) calc(50 * var(--u)) calc(-30 * var(--u)) rgba(23, 33, 63, 0.6);
  color: var(--ink);
  font-size: calc(13 * var(--u));
  line-height: 1.35;
}
.passport::before {
  content: "";
  position: absolute;
  left: calc(14 * var(--u));
  top: calc(14 * var(--u));
  bottom: calc(14 * var(--u));
  border-left: calc(2 * var(--u)) dashed rgba(23, 33, 63, 0.18);
}
.passport__head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: calc(14 * var(--u)); }
.passport__head strong { font-size: calc(16 * var(--u)); }
.passport__head span { font-size: calc(11 * var(--u)); color: var(--ink-soft); }
.passport__id { display: grid; grid-template-columns: calc(172 * var(--u)) 1fr; gap: calc(14 * var(--u)); margin-bottom: calc(16 * var(--u)); }
.passport__photo {
  position: relative;
  height: calc(132 * var(--u));
  background: #dce6f2;
  border: calc(5 * var(--u)) solid var(--paper);
  box-shadow: 0 0 0 calc(1 * var(--u)) var(--page-line);
  overflow: hidden;
}
.passport__photo img { position: absolute; bottom: -2%; height: auto; opacity: 0; transition: opacity 0.7s ease; }
.passport__photo .is-dog { left: -10%; width: 80%; }
.passport__photo .is-cat { right: -14%; width: 66%; }
.passport__photo[data-stage="0"] [data-stage="0"],
.passport__photo[data-stage="1"] [data-stage="1"],
.passport__photo[data-stage="2"] [data-stage="2"] { opacity: 1; }

.fields { margin: 0; font-size: calc(10.5 * var(--u)); }
.fields dt { color: var(--ink-soft); }
.fields dd { margin: 0 0 calc(6 * var(--u)); padding-bottom: calc(1 * var(--u)); border-bottom: calc(1 * var(--u)) solid var(--page-line); font-family: var(--font-hand); font-size: calc(18 * var(--u)); line-height: 1.15; color: var(--pass); }

.records { border-top: calc(2 * var(--u)) solid var(--ink); }
.record {
  position: relative;
  display: grid;
  grid-template-columns: calc(70 * var(--u)) 1fr calc(84 * var(--u));
  align-items: center;
  gap: calc(8 * var(--u));
  min-height: calc(62 * var(--u));
  border-bottom: calc(1 * var(--u)) solid var(--page-line);
}
.record__phase { align-self: start; padding-top: calc(11 * var(--u)); font-size: calc(11 * var(--u)); font-weight: 700; }
.record__entry {
  font-family: var(--font-hand);
  font-size: calc(18 * var(--u));
  line-height: 1.05;
  color: var(--pass);
  clip-path: inset(0 100% 0 0);
  transition: clip-path 0.7s ease-out;
}
.record__label {
  position: absolute;
  left: 0;
  bottom: calc(7 * var(--u));
  width: calc(44 * var(--u));
  height: calc(18 * var(--u));
  background: var(--label) repeating-linear-gradient(90deg, var(--ink) 0 calc(1 * var(--u)), transparent calc(1 * var(--u)) calc(3 * var(--u)), var(--ink) calc(3 * var(--u)) calc(5 * var(--u)), transparent calc(5 * var(--u)) calc(7 * var(--u))) calc(5 * var(--u)) calc(10 * var(--u)) / calc(34 * var(--u)) calc(5 * var(--u)) no-repeat;
  border-radius: calc(2 * var(--u));
  transform: rotate(4deg);
  opacity: 0;
  transition: opacity 0.4s ease 0.5s;
}
.stamp {
  justify-self: center;
  padding: calc(3 * var(--u)) calc(5 * var(--u));
  border: calc(2 * var(--u)) solid var(--stamp);
  border-radius: calc(3 * var(--u));
  color: var(--stamp);
  font-size: calc(8.5 * var(--u));
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  mix-blend-mode: multiply;
  opacity: 0;
  transform: rotate(-7deg);
}
.stamp b { display: block; font-size: calc(10 * var(--u)); }
.record.is-filled .record__entry { clip-path: inset(0 0 0 0); }
.record.is-filled .record__label { opacity: 1; }
.record.is-filled .stamp { animation: stamp-in 0.45s cubic-bezier(0.3, 0.7, 0.4, 1) 0.5s both; }
@keyframes stamp-in {
  0% { opacity: 0; transform: rotate(-16deg) scale(1.9); }
  65% { opacity: 0.95; transform: rotate(-6deg) scale(0.94); }
  100% { opacity: 0.85; transform: rotate(-7deg) scale(1); }
}
.passport__next { display: flex; justify-content: space-between; align-items: baseline; margin-top: calc(14 * var(--u)); font-size: calc(11 * var(--u)); color: var(--ink-soft); }
.passport__next span:last-child { font-family: var(--font-hand); font-size: calc(17 * var(--u)); color: var(--pass); }

/* Lebensphasen-Texte */
.journey__panels { position: absolute; inset: 0; display: grid; align-items: center; pointer-events: none; z-index: 3; }
.panel {
  grid-area: 1 / 1;
  max-width: min(30rem, 40vw);
  opacity: 0;
  will-change: opacity, transform;
}
.panel h2 { margin-bottom: 0.6rem; }
.panel p { color: var(--ink-soft); }
.panel .ticks { margin-block: 1.25rem 1.5rem; }
.panel__count { display: block; margin-bottom: 0.5rem; font-weight: 600; color: var(--pass); }

.ticks li { position: relative; padding-left: 1.6rem; margin-bottom: 0.55rem; }
.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 9px;
  height: 9px;
  border: 2px solid var(--pass);
  border-radius: 50%;
}

@media (max-width: 899px) {
  .journey__intro { align-items: flex-start; padding-top: 2rem; }
  .journey__intro h1 { font-size: clamp(2.2rem, 10vw, 3rem); }
  .journey__intro .lead { font-size: 1.05rem; }
  .journey__intro .btn-row { margin-top: 1.25rem; }
  .journey__hint { display: none; }
  .intro-emergency { margin-top: 1rem; font-size: 0.9rem; }
  .journey__panels { align-items: end; }
  .panel {
    max-width: none;
    margin-inline: -20px;
    padding: 1.1rem 20px 1.4rem;
    background: var(--paper);
    border-top: 1px solid var(--page-line);
    font-size: 0.97rem;
  }
  .panel h2 { font-size: 1.5rem; margin-bottom: 0.3rem; }
  .panel p { margin-bottom: 0.5rem; }
  .panel .ticks { margin-block: 0.5rem 0.8rem; }
  .panel .ticks li { margin-bottom: 0.25rem; }
}

/* Ohne JS oder bei reduzierter Bewegung: alles untereinander, ohne Animation */
.journey--static { height: auto; }
.journey--static .journey__stage { position: static; height: auto; overflow: visible; perspective: none; }
.journey--static .journey__intro,
.journey--static .journey__panels { position: static; display: block; }
.journey--static .journey__intro { padding-block: 4rem 2rem; }
.journey--static .journey__hint,
.journey--static .book__cover { display: none; }
.journey--static .book { position: relative; margin: 0 auto 2rem; transform: none; max-width: calc(100% - 40px); }
.journey--static .record__entry { clip-path: none; transition: none; }
.journey--static .record__label { opacity: 1; transition: none; }
.journey--static .stamp { opacity: 0.85; animation: none; }
.journey--static .panel { opacity: 1; max-width: 34rem; margin: 0 0 3rem; padding: 0; border: 0; pointer-events: auto; }

/* Tierarten */
.species__list {
  margin: 0 0 1.5rem;
  font-size: clamp(1.9rem, 4.6vw, 3.4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--pass);
  max-width: 22ch;
}
.emergency {
  margin-top: 3rem;
  padding: 1.25rem 1.5rem;
  background: var(--paper);
  border-left: 6px solid var(--stamp);
  max-width: 44rem;
}
.emergency p { margin: 0; }
.emergency strong { color: var(--stamp); }