/* ---------- Ablauf-Animation (includes/journey.php) --------------------- *
 * Gezeichnete Szene je Gerät: Anfrage, Lieferung, Anschluss, Betrieb und
 * Abholung, bei der Großwärmepumpe der Kreisprozess. Diese Datei trägt
 * Rahmen, Bedienleiste, Schrittliste, Reiter und die Grundformen der
 * Zeichnung; Zustände und Bewegung stehen in css/journey-scenes.css.
 * Farben der Leitungen: Vorlauf warm, Rücklauf blau, Strom Bernstein – wie
 * im Anschluss-Schema der Heizzentrale. Farbe ist nie die einzige
 * Information: Die Legende nennt jede Leitungsart. */

.journey {
  --jr-hot: oklch(0.6 0.19 32);
  --jr-hot-soft: oklch(0.9 0.06 40);
  --jr-back: oklch(0.56 0.13 255);
  --jr-cold: oklch(0.58 0.14 240);
  --jr-cool: oklch(0.76 0.08 225);
  --jr-cold-soft: oklch(0.94 0.035 230);
  --jr-power: oklch(0.79 0.15 78);
  --jr-data: var(--color-accent-700);
  --jr-steam: oklch(0.8 0.012 254.52);
  --jr-condensate: oklch(0.68 0.09 200);
  --jr-water: oklch(0.66 0.11 150);
  --jr-fluid: oklch(0.64 0.1 205);
  --jr-light: oklch(0.95 0.08 92);
  display: grid;
  gap: 0.9rem;
  margin: 0;
  padding: 0.85rem;
  border: 1px solid var(--color-ink-200);
  border-radius: var(--radius-card);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

@media (min-width: 640px) {
  .journey {
    padding: 1.1rem 1.25rem 1.25rem;
  }
}

/* Im Lesetext Abstand wie Karte und Abbildungen; Kapitelanfang und -ende
   trägt der Kapitelabstand. */
.content-section > .journey:not(:first-child) {
  margin-top: 2.5rem;
}

.content-section > .journey:not(:last-child) {
  margin-bottom: 2.5rem;
}

.journey__title {
  font-family: var(--font-display);
  font-size: var(--text-fluid-sm);
  font-weight: 650;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-primary-900);
}

/* ---------- Handlungsaufruf unter der Animation ------------------------- *
 * Eine Zeile mit Satz und Knöpfen (render_journey_cta()); schmal stehen die
 * Knöpfe unter dem Satz und füllen die Breite. */
.journey-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid color-mix(in oklch, var(--color-primary-600) 16%, transparent);
  border-radius: var(--radius-card);
  background: var(--color-primary-50);
}

.journey-cta__text {
  flex: 1 1 22rem;
  max-width: 42rem;
  font-size: var(--text-fluid-sm);
  color: var(--color-ink-700);
  line-height: 1.6;
}

.journey-cta__text b {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-fluid-lg);
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--color-primary-900);
}

.journey-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (max-width: 599px) {
  .journey-cta {
    padding: 1.1rem;
  }

  .journey-cta__actions,
  .journey-cta__actions .btn {
    width: 100%;
  }
}

/* Im Lesetext rückt der Aufruf näher an die Animation heran, als der
   Kapitelabstand es täte; am Kapitelende trägt der Kapitelabstand. */
.content-section > .journey + .journey-cta {
  margin-top: -1.25rem;
}

.content-section > .journey-cta:not(:last-child) {
  margin-bottom: 2.5rem;
}

/* ---------- Bühne ------------------------------------------------------- */
.journey__stage {
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: linear-gradient(to bottom, var(--color-primary-50), #fff 82%);
}

.journey__svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: hidden;
}

/* Schmale Displays: Ausschnitt näher an Gerät und Gebäude, links liegt nur
   die Anfahrt. Der Kreisprozess bleibt vollständig. */
@media (max-width: 599px) {
  .journey--rental .journey__svg {
    width: 118%;
    max-width: none;
    margin-left: -18%;
  }
}

.journey__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1.1rem;
  margin: 0;
  padding: 0.5rem 0.85rem 0.65rem;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--color-ink-700);
}

.journey__legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.journey__swatch {
  width: 1.4rem;
  height: 0.35rem;
  border-radius: var(--radius-pill);
  background: var(--jr-swatch, var(--color-ink-400));
}

.journey__swatch--hot { --jr-swatch: var(--jr-hot); }
.journey__swatch--back { --jr-swatch: var(--jr-back); }
.journey__swatch--cold { --jr-swatch: var(--jr-cold); }
.journey__swatch--cool { --jr-swatch: var(--jr-cool); }
.journey__swatch--power { --jr-swatch: var(--jr-power); }
.journey__swatch--data { --jr-swatch: var(--jr-data); }
.journey__swatch--steam { --jr-swatch: var(--jr-steam); }
.journey__swatch--condensate { --jr-swatch: var(--jr-condensate); }
.journey__swatch--water { --jr-swatch: var(--jr-water); }
.journey__swatch--fluid { --jr-swatch: var(--jr-fluid); }

/* ---------- Bedienleiste ------------------------------------------------ */
.journey.is-enhanced .journey__bar {
  display: grid;
  gap: 0.6rem;
}

.journey__play {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  justify-self: start;
  min-height: 2.75rem;
  padding: 0.5rem 1.15rem 0.5rem 0.95rem;
  border: 1px solid var(--color-ink-300);
  border-radius: var(--radius-pill);
  background: #fff;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 650;
  line-height: 1.2;
  color: var(--color-primary-900);
  cursor: pointer;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.journey__play:hover {
  border-color: var(--color-primary-600);
  background: var(--color-primary-50);
}

.journey__play-icon {
  flex: none;
  width: 1.1rem;
  height: 1.1rem;
  fill: var(--color-primary-700);
}

.journey.is-auto:not(.is-paused) .journey__play-icon--play,
.journey:not(.is-auto) .journey__play-icon--pause,
.journey.is-paused .journey__play-icon--pause {
  display: none;
}

.journey__picks {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.35rem;
  margin: 0;
  padding: 0;
}

.journey__pick {
  position: relative;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 0.05rem;
  width: 100%;
  min-height: 2.75rem;
  padding: 0.35rem 0.25rem 0.45rem;
  overflow: hidden;
  border: 1px solid var(--color-ink-200);
  border-radius: var(--radius-xs);
  background: #fff;
  font-family: var(--font-display);
  color: var(--color-primary-900);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.journey__pick:hover {
  border-color: var(--color-primary-400);
}

.journey__pick[aria-pressed="true"] {
  border-color: var(--color-primary-600);
  background: var(--color-primary-50);
}

.journey__pick-num {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-ink-600);
}

.journey__pick[aria-pressed="true"] .journey__pick-num {
  color: var(--color-primary-800);
}

.journey__pick-name {
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.2;
  overflow-wrap: anywhere;
  hyphens: auto;
}

/* Fortschritt des laufenden Schritts als Balken an der Unterkante. */
.journey__pick::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  background: var(--color-accent-700);
  transform-origin: left;
  scale: 0 1;
}

.journey__pick[aria-pressed="true"]::after {
  scale: 1 1;
}

/* Sehr schmale Displays: nur die Nummer sichtbar, der Name bleibt für
   Vorlesehilfen erhalten und steht in der Schrittkarte darunter. */
@media (max-width: 459px) {
  .journey__pick-num {
    font-size: 0.9375rem;
  }

  .journey__pick-name {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
}

/* ---------- Schrittliste ------------------------------------------------ */
.journey__steps {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.journey__step {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  align-content: start;
  gap: 0.1rem 0.85rem;
}

.journey__icon {
  display: grid;
  place-items: center;
  grid-row: 1 / span 3;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-primary-200);
  border-radius: 50%;
  background: var(--color-primary-50);
  color: var(--color-primary-700);
}

.journey__kicker {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary-800);
}

.journey__name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 650;
  line-height: 1.3;
  color: var(--color-primary-900);
}

.journey__text {
  max-width: 68ch;
  font-size: var(--text-fluid-xs);
  line-height: 1.6;
  color: var(--color-ink-700);
}

/* Mit Skript liegen die Karten übereinander; die Fläche nimmt die Höhe der
   längsten Karte an und springt beim Wechsel nicht. */
.journey.is-enhanced .journey__steps {
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-surface-100);
}

.journey.is-enhanced .journey__step {
  grid-area: 1 / 1;
  visibility: hidden;
}

.journey.is-enhanced .journey__step.is-current {
  visibility: visible;
}

/* ---------- Grundformen der Zeichnung ----------------------------------- */
.journey__svg * {
  stroke-linecap: round;
  stroke-linejoin: round;
}

.journey__soil { fill: var(--color-ink-100); }
.journey__ground { fill: none; stroke: var(--color-ink-300); stroke-width: 2; }

.journey__body { fill: #fff; stroke: var(--color-ink-700); stroke-width: 1.6; }
.journey__body--mid { fill: var(--color-ink-200); }
.journey__body--dark { fill: var(--color-primary-800); stroke: var(--color-primary-900); }
.journey__body--chassis { fill: var(--color-ink-700); stroke: var(--color-ink-800); }
.journey__body--cab { fill: var(--color-primary-600); stroke: var(--color-primary-900); }
.journey__body--accent { fill: var(--color-accent-600); stroke: none; }
.journey__body--unit { fill: var(--color-surface-50); }
.journey__body--container { fill: var(--color-primary-100); }
.journey__body--reefer { fill: #fff; }
.journey__body--dc { fill: var(--color-primary-700); stroke: var(--color-primary-900); }

.journey__roof { fill: var(--color-primary-200); stroke: var(--color-ink-700); stroke-width: 1.6; }
.journey__glass { fill: var(--color-primary-50); stroke: var(--color-ink-400); stroke-width: 1.3; }
.journey__opening { fill: var(--color-ink-700); }
.journey__socket { fill: var(--color-ink-600); }
.journey__detail { fill: none; stroke: var(--color-ink-400); stroke-width: 1.4; }
.journey__detail--light { stroke: var(--color-primary-300); }
.journey__ribs { fill: none; stroke: var(--color-primary-300); stroke-width: 1.2; }
.journey__body--dc + .journey__ribs { stroke: var(--color-primary-500); }
.journey__stripe { fill: var(--color-accent-600); }
.journey__window { fill: var(--color-primary-900); stroke: var(--color-ink-700); stroke-width: 1.4; }
.journey__display { fill: var(--color-primary-900); }
.journey__led { fill: var(--color-ink-400); }
.journey__signal { fill: oklch(0.72 0.16 52); }
.journey__signal--front { fill: oklch(0.97 0.04 95); }
.journey__line { fill: none; stroke: var(--color-ink-700); stroke-width: 2; }
.journey__line--bar { stroke-width: 3.2; }
.journey__hitch { fill: #fff; stroke: var(--color-ink-700); stroke-width: 1.6; }
.journey__mudguard { fill: none; stroke: var(--color-ink-700); stroke-width: 2.2; }
.journey__tire { fill: var(--color-ink-800); }
.journey__hub { fill: var(--color-ink-300); stroke: var(--color-ink-700); stroke-width: 1; }
.journey__spoke { fill: none; stroke: var(--color-ink-600); stroke-width: 1.6; }

.journey__rad { fill: #fff; stroke: var(--color-ink-400); stroke-width: 1.2; }
.journey__heat { fill: none; stroke: var(--jr-hot); stroke-width: 2; }
.journey__flame { fill: var(--jr-hot); stroke: oklch(0.82 0.15 75); stroke-width: 1.2; }
.journey__smoke { fill: none; stroke: var(--color-ink-300); stroke-width: 2.6; }
.journey__steam { fill: none; stroke: var(--jr-steam); stroke-width: 3.4; }
.journey__air { fill: none; stroke: var(--jr-hot); stroke-width: 2; opacity: 0.7; }

.journey__fan-ring { fill: var(--color-ink-100); stroke: var(--color-ink-600); stroke-width: 1.6; }
.journey__fan-bounds { fill: none; stroke: none; }
.journey__blade { fill: var(--color-ink-500); }
.journey__flake { fill: none; stroke: var(--jr-cold); stroke-width: 2; }
.journey__thermo { fill: #fff; stroke: var(--color-ink-500); stroke-width: 1.4; }
.journey__level,
.journey__level-bulb { fill: var(--jr-hot); }
.journey__gauge-face { fill: #fff; stroke: var(--color-ink-600); stroke-width: 1.4; }
.journey__gauge-arc { fill: none; stroke: var(--color-ink-300); stroke-width: 3; }
.journey__needle { fill: none; stroke: var(--color-primary-800); stroke-width: 2.2; }

.journey__awning { fill: var(--color-accent-500); }
.journey__sign { fill: var(--color-primary-600); }
.journey__crane { fill: none; stroke: oklch(0.8 0.13 85); stroke-width: 2; }
.journey__load { fill: var(--color-ink-400); }
.journey__frame { fill: none; stroke: var(--color-ink-300); stroke-width: 8; stroke-linecap: butt; }
.journey__slab { fill: none; stroke: var(--color-ink-400); stroke-width: 6; stroke-linecap: butt; }
.journey__scaffold { fill: none; stroke: var(--color-ink-400); stroke-width: 1.6; }

.journey__legs { fill: none; stroke: var(--color-ink-700); stroke-width: 2.6; }
.journey__mast { fill: var(--color-ink-300); stroke: var(--color-ink-600); stroke-width: 1; }
.journey__lamp { fill: var(--color-ink-200); stroke: var(--color-ink-600); stroke-width: 1; }
.journey__lamp--lit { fill: oklch(0.98 0.05 95); stroke: oklch(0.85 0.12 90); }
.journey__dusk { fill: var(--color-primary-950); opacity: 0; }

.journey__tank { fill: var(--color-ink-100); stroke: none; }
.journey__tank--outline { fill: none; stroke: var(--color-ink-600); stroke-width: 1.6; }
.journey__liquid { fill: var(--jr-fluid); opacity: 0.8; }
.journey__frame-box { fill: none; stroke: var(--color-primary-600); stroke-width: 3; }

.journey__paper { fill: #fff; stroke: var(--color-ink-700); stroke-width: 2; }
.journey__lines { fill: none; stroke: var(--color-ink-300); stroke-width: 4; }
.journey__field { fill: var(--color-accent-500); }
.journey__pin-shape { fill: var(--color-primary-600); }
.journey__pin-dot { fill: #fff; }
.journey__trace { fill: none; stroke: var(--color-primary-400); stroke-width: 2.4; stroke-dasharray: 1 1; }
.journey__seal-disc,
.journey__ready circle { fill: var(--color-accent-600); stroke: #fff; stroke-width: 3; }
.journey__check,
.journey__ready path { fill: none; stroke: var(--color-primary-900); stroke-width: 3; stroke-dasharray: 1 1; }

/* Leitungen: Grundfarbe je Art, Fließbewegung als heller Strich darüber. */
.journey__link { fill: none; stroke: var(--jr-link, var(--color-ink-500)); stroke-width: 5; }
.journey__link--hot { --jr-link: var(--jr-hot); }
.journey__link--back { --jr-link: var(--jr-back); }
.journey__link--cold { --jr-link: var(--jr-cold); }
.journey__link--cool { --jr-link: var(--jr-cool); }
.journey__link--power { --jr-link: var(--jr-power); stroke-width: 3.4; }
.journey__link--data { --jr-link: var(--jr-data); stroke-width: 3.4; }
.journey__link--steam { --jr-link: var(--jr-steam); stroke-width: 7; }
.journey__link--condensate { --jr-link: var(--jr-condensate); }
.journey__link--water { --jr-link: var(--jr-water); }
.journey__link--fluid { --jr-link: var(--jr-fluid); stroke-width: 6; }
.journey__flow { fill: none; stroke: #fff; stroke-width: 1.8; stroke-dasharray: 0.025 0.055; opacity: 0; }
.journey__flow--power,
.journey__flow--data { stroke-width: 1.4; }