/* Problem-Abschnitt: gepinnter Fragenlauf über zwei Zeitachsen.
   Farben kommen aus den Seiten-Tokens, läuft also in hell und dunkel mit. */

.pb { position: relative; }
.pb-inner { max-width: 1400px; margin: 0 auto; padding: 0 clamp(24px, 4vw, 40px); }
.pb-eye { margin: 0 0 14px; display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-text); }
[data-theme='dark'] .pb-eye { color: var(--ws-gold); }
.pb-eye::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--ws-gold); }
.pb-h2 { margin: 0; font-family: var(--font-display); font-size: clamp(26px, 3.6vw, 46px); line-height: 1.12; letter-spacing: -0.01em; text-wrap: balance; color: var(--fg); }
.pb-h2 em { font-style: italic; color: var(--ws-gold); }
.pb-intro { margin: 18px 0 0; max-width: 62ch; font-size: clamp(13px, 1.3vw, 15.5px); line-height: 1.75; color: var(--fg-mute); text-wrap: pretty; }

/* Bühne: Pinnung über den Track, Inhalt bleibt eine Bildschirmhöhe */
.pb-track { position: relative; height: 700vh; }
.pb-pin { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: clamp(14px, 2.6vh, 30px); padding: clamp(18px, 4vh, 52px) clamp(24px, 4vw, 40px); }
.pb-count { display: block; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--accent-text); }
[data-theme='dark'] .pb-count { color: var(--ws-gold); }
.pb-cat { margin: 10px 0 0; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--fg-mute); }
.pb-q { margin: 12px auto 0; max-width: 26ch; min-height: 2.32em; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: clamp(20px, 2.7vw, 34px); line-height: 1.16; text-wrap: balance; color: var(--fg); }

.pb-split { display: grid; grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr); gap: clamp(16px, 3vw, 44px); align-items: start; width: 100%; max-width: 880px; margin: 0 auto; }
.pb-side-l { text-align: right; }
.pb-label { margin: 0 0 8px; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--fg-mute); }
.pb-label.is-gold { color: var(--accent-text); }
[data-theme='dark'] .pb-label.is-gold { color: var(--ws-gold); }
.pb-a { margin: 0; min-height: 4.5em; font-size: clamp(13px, 1.5vw, 17px); line-height: 1.5; color: var(--fg-mute); transition: opacity 500ms var(--ease-expo), transform 500ms var(--ease-expo); }
.pb-o { margin: 0; min-height: 4.05em; font-size: clamp(15px, 1.9vw, 22px); line-height: 1.35; font-style: italic; color: var(--fg); transition: opacity 500ms var(--ease-expo), transform 500ms var(--ease-expo); }
.pb-sep { align-self: stretch; background: linear-gradient(180deg, transparent, var(--ws-gold) 30%, var(--ws-gold) 70%, transparent); }

.pb-axes { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(16px, 3vw, 40px); width: 100%; max-width: 900px; margin: 0 auto; }
.pb-rows { display: grid; gap: 6px; }
.pb-row { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 12px; align-items: center; }
.pb-row > span:first-child { font-size: 11px; color: var(--fg-mute); }
.pb-lane { position: relative; height: 16px; border-radius: 2px; background: color-mix(in srgb, var(--fg) 5%, transparent); }
.pb-lane.is-gold { background: rgba(191, 174, 134, 0.12); }
.pb-bar { position: absolute; top: 0; bottom: 0; border-radius: 2px; background: color-mix(in srgb, var(--fg) 28%, transparent); transform: scaleX(0); transform-origin: left center; }
.pb-bar.is-gold { background: var(--ws-gold); }
.pb-rail { display: block; width: min(620px, 86%); height: 1px; margin: 0 auto; background: color-mix(in srgb, var(--fg) 12%, transparent); }
.pb-fill { display: block; width: 0%; height: 1px; background: var(--ws-gold); }

/* Einwand */
.pb-ein { margin-top: clamp(28px, 4vh, 52px); padding-top: clamp(22px, 3vh, 36px); border-top: 1px solid var(--line); max-width: 78ch; }
.pb-ein h3 { margin: 0; font-family: var(--font-display); font-size: clamp(19px, 2.2vw, 28px); line-height: 1.2; color: var(--fg); }
.pb-ein p { margin: 0 0 14px; font-size: 14px; line-height: 1.75; color: var(--fg-mute); text-wrap: pretty; }
.pb-ein strong { font-weight: 400; font-style: italic; color: var(--fg); }
.pb-ein .pb-lead { margin-top: 14px; font-style: italic; color: var(--accent-text); }
[data-theme='dark'] .pb-ein .pb-lead { color: var(--ws-gold); }
.pb-ein .pb-fine { font-size: 12px; line-height: 1.7; }
.pb-link { display: inline-flex; align-items: center; gap: 10px; margin: 4px 0 18px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-text); text-decoration: none; border-bottom: 1px solid rgba(191, 174, 134, 0.5); padding-bottom: 3px; }
[data-theme='dark'] .pb-link { color: var(--ws-gold); }

/* Auflaufen */
.pb-r { opacity: 0; transform: translateY(22px); transition: opacity 900ms var(--ease-expo), transform 900ms var(--ease-expo); }
.pb-r.is-in { opacity: 1; transform: none; }

@media (max-width: 1080px) {
  .pb-axes { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 760px) {
  .pb-split { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .pb-sep { display: none; }
  .pb-side-l { text-align: left; }
  .pb-pin { height: auto; min-height: 100vh; padding: 26px 20px; }
  .pb-q { min-height: 3.5em; }
  .pb-a { min-height: 5.2em; }
  .pb-o { min-height: 4.6em; }
  .pb-row { grid-template-columns: 94px minmax(0, 1fr); }
  .pb-row > span:first-child { font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .pb-r { opacity: 1 !important; transform: none !important; transition: none !important; }
  .pb-bar { transform: scaleX(1) !important; }
}

/* ── Einwand: gepinnte Bühne in drei Akten ──────────────
   Die Strecke steckt im Track, die Tafel selbst klebt eine Bildschirmhöhe
   fest. Unter 900px entfällt der Pin und alles läuft normal untereinander. */
.pb-ein-track { position: relative; height: 520vh; margin-top: clamp(30px, 5vh, 68px); }
.pb-ein2 { position: sticky; top: 0; min-height: 100vh; display: flex; flex-direction: column; justify-content: center;
  padding: clamp(24px, 4.2vh, 68px) clamp(20px, 4vw, 64px); border-radius: 6px;
  background: transparent; color: var(--fg); border: 0; }
/* Kein Weiß im Light-Mode: die Tafel liegt auf dem Seitenpapier, nur die Kante grenzt sie ab */
[data-theme='dark'] .pb-ein2 { background: transparent; }
/* Ein Raster, alle Akte auf derselben Zelle: die Höhe folgt dem höchsten Akt,
   flex: none verhindert, dass die Bühne den Inhalt zusammenquetscht. */
.pb-acts { position: relative; display: grid; flex: none; }
.pb-act { grid-area: 1 / 1; display: flex; flex-direction: column; justify-content: center;
  gap: clamp(14px, 2vh, 24px); opacity: 0; pointer-events: none; transition: opacity 700ms var(--ease-expo); }
.pb-act.is-on { opacity: 1; pointer-events: auto; }
.pb-act > * { opacity: 0; transform: translateY(24px); transition: opacity 850ms var(--ease-expo), transform 850ms var(--ease-expo); }
.pb-act.is-on > * { opacity: 1; transform: none; }
.pb-act.is-on > *:nth-child(2) { transition-delay: 130ms; }
.pb-act.is-on > *:nth-child(3) { transition-delay: 240ms; }
.pb-dots { margin-top: clamp(20px, 3vh, 34px); display: flex; gap: 8px; }
.pb-dots span { width: 22px; height: 2px; border-radius: 999px; background: var(--line); transition: background 500ms var(--ease-expo); }
.pb-dots span.is-on { background: var(--ws-gold); }

.pb-ein2 .pb-kicker { margin: 0 0 clamp(16px, 2.6vh, 28px); display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent-text); }
[data-theme='dark'] .pb-ein2 .pb-kicker { color: var(--ws-gold); }
.pb-ein2 .pb-kicker::before { content: ''; width: 28px; height: 1px; background: var(--ws-gold); }
.pb-act-eye { margin: 0; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent-text); }
[data-theme='dark'] .pb-act-eye { color: var(--ws-gold); }
.pb-ein2 .pb-frage { margin: 0; max-width: 46ch; font-family: var(--font-display); font-weight: 400;
  font-size: clamp(15px, 1.6vw, 20px); line-height: 1.45; color: var(--fg-mute); }
.pb-pull { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: clamp(30px, min(6vw, 11vh), 92px);
  line-height: 0.96; letter-spacing: -0.02em; color: var(--fg); }
.pb-pull em { font-style: italic; font-weight: 400; color: var(--accent-text); }
[data-theme='dark'] .pb-pull em { color: var(--ws-gold); }
.pb-rule { height: 1px; background: var(--ws-gold); transform: scaleX(0); transform-origin: left center; }
.pb-act.is-on .pb-rule { transform: scaleX(1); transition: transform 1400ms var(--ease-expo) 120ms; }
.pb-wipe { clip-path: inset(-0.3em 100% -0.4em -0.3em); }
.pb-act.is-on .pb-wipe { clip-path: inset(-0.3em -0.5em -0.4em -0.3em); transition: clip-path 1300ms var(--ease-expo) 180ms; }

.pb-tl { position: relative; }
.pb-tl-line { position: absolute; left: 0; right: 0; top: 9px; height: 1px; background: var(--line); }
.pb-tl-fill { position: absolute; left: 0; top: 9px; height: 1px; width: 0%; background: var(--ws-gold); transition: width 200ms linear; }
.pb-tl-grid { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(18px, 3vw, 44px); }
.pb-st { position: relative; padding-top: 34px; }
.pb-st::before { content: ''; position: absolute; left: 0; top: 4px; width: 11px; height: 11px; border-radius: 999px;
  background: var(--bg); box-shadow: inset 0 0 0 1px var(--ws-gold); transition: background 500ms var(--ease-expo); }
[data-theme='dark'] .pb-st::before { background: var(--bg-elev); }
.pb-st.is-on::before { background: var(--ws-gold); }
.pb-when { display: block; margin-bottom: 8px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent-text); }
[data-theme='dark'] .pb-when { color: var(--ws-gold); }
.pb-what { margin: 0 0 12px; font-family: var(--font-display); font-size: clamp(16px, 1.9vw, 24px); line-height: 1.28; color: var(--fg); }
.pb-what em { font-style: italic; color: var(--accent-text); }
[data-theme='dark'] .pb-what em { color: var(--ws-gold); }
.pb-ein2 .pb-body { margin: 0; font-size: clamp(13.5px, 1.3vw, 15.5px); line-height: 1.85; color: var(--fg-mute); text-wrap: pretty; }
.pb-ein2 .pb-body strong { font-weight: 400; font-style: italic; color: var(--fg); }
.pb-cols { columns: 2; column-gap: clamp(26px, 4vw, 64px); }
.pb-cols p { margin: 0 0 18px; }
.pb-cols p:last-child { margin-bottom: 0; }
.pb-drop::first-letter { float: left; font-family: var(--font-display); font-weight: 700; font-size: 3.4em; line-height: 0.82; padding: 0.06em 0.14em 0 0; color: var(--accent-text); }
[data-theme='dark'] .pb-drop::first-letter { color: var(--ws-gold); }
.pb-ein2 .pb-foot { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.pb-ein2 .pb-fine2 { margin: 0; max-width: 62ch; font-size: 12.5px; line-height: 1.75; color: var(--fg-mute); }
.pb-ein2 .pb-link { margin: 0; color: var(--accent-text); border-bottom: 1px solid rgba(191, 174, 134, 0.6); padding-bottom: 4px; transition: gap 400ms var(--ease-expo), border-color 400ms var(--ease-expo); }
[data-theme='dark'] .pb-ein2 .pb-link { color: var(--ws-gold); }
.pb-ein2 .pb-link:hover { gap: 16px; border-color: var(--ws-gold); }

/* Niedrige Fenster: der Pin hätte keinen Platz, also normaler Fluss */
@media (max-width: 900px), (max-height: 560px) {
  /* Ohne Pin: Akte laufen als normale Blöcke untereinander */
  .pb-ein-track { height: auto; }
  .pb-ein2 { position: static; min-height: 0; }
  .pb-acts { min-height: 0; display: grid; gap: clamp(26px, 4vh, 44px); }
  .pb-act { grid-area: auto; opacity: 1; pointer-events: auto; }
  .pb-act > * { opacity: 1; transform: none; }
  .pb-dots { display: none; }
  .pb-tl-grid { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .pb-tl-line, .pb-tl-fill { display: none; }
  .pb-cols { columns: 1; }
  .pb-ein2 .pb-foot { flex-direction: column; align-items: flex-start; gap: 16px; }
  .pb-wipe { clip-path: none; }
  .pb-rule { transform: scaleX(1); }
}
@media (max-width: 520px) {
  .pb-pull { font-size: clamp(26px, 9vw, 40px); }
  .pb-drop::first-letter { font-size: 2.8em; }
}
@media (prefers-reduced-motion: reduce) {
  .pb-act, .pb-act > *, .pb-rule, .pb-wipe { opacity: 1 !important; transform: none !important; clip-path: none !important; transition: none !important; }
}

/* Übergang zur Lösung: nur eine Kante, die der Tafel — plus Luft danach */
.pb { padding-bottom: clamp(40px, 7vh, 96px); }
#disziplinen .dz-stripe { display: none; }


/* Einwand: Inhalt oben ausrichten statt mittig, sonst entsteht beim Einlauf
   eine halbe Bildschirmhöhe Leerraum. Abstand = üblicher Abschnittsabstand. */
.pb-ein-track { margin-top: 0; }
.pb-ein2 { justify-content: flex-start; padding-top: calc(var(--topnav-scroll-offset, 84px) + clamp(16px, 3vh, 40px)); }

/* Stationen der Zeitachse erscheinen erst, wenn die Linie ihren Punkt erreicht */
.pb-st > * { opacity: 0; transform: translateY(14px); transition: opacity 700ms var(--ease-expo), transform 700ms var(--ease-expo); }
.pb-st.is-on > * { opacity: 1; transform: none; }
.pb-st.is-on > *:nth-child(2) { transition-delay: 90ms; }
.pb-st.is-on > *:nth-child(3) { transition-delay: 180ms; }
@media (max-width: 900px), (max-height: 560px), (prefers-reduced-motion: reduce) {
  .pb-st > * { opacity: 1; transform: none; }
}

/* Noch nicht erreichte Wörter im dritten Akt */
::highlight(pb-dim) { color: color-mix(in srgb, var(--fg) 22%, transparent); }

/* Scroll-Hinweis: eine Haarlinie, durch die ein Lichtpunkt nach unten sinkt.
   Bleibt stehen, bis die Zeitachse erscheint. */
.pb-cue { position: absolute; left: 50%; bottom: clamp(16px, 3.4vh, 34px); transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 12px;
  pointer-events: none; transition: opacity 900ms var(--ease-expo), transform 900ms var(--ease-expo); }
.pb-cue.is-off { opacity: 0; transform: translate(-50%, 8px); }
.pb-cue-t { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.34em; padding-left: 0.34em; text-transform: uppercase; color: var(--fg-mute); opacity: 0.8; }
.pb-cue-line { position: relative; width: 1px; height: clamp(38px, 6vh, 56px); overflow: hidden; background: color-mix(in srgb, var(--fg) 14%, transparent); }
.pb-cue-line i { position: absolute; left: 0; top: 0; width: 1px; height: 40%;
  background: linear-gradient(180deg, transparent, var(--ws-gold) 55%, transparent); animation: pbCueFall 2.6s cubic-bezier(.65, 0, .35, 1) infinite; }
@keyframes pbCueFall { 0% { transform: translateY(-110%); } 100% { transform: translateY(260%); } }
@media (max-width: 900px), (max-height: 560px) { .pb-cue { display: none; } }
@media (prefers-reduced-motion: reduce) { .pb-cue-line i { animation: none; transform: translateY(70%); } }

/* Link und Fußnote folgen erst, wenn der Text ganz lesbar ist */
.pb-act.is-on > .pb-foot:not(.is-shown) { opacity: 0; transform: translateY(16px); transition-delay: 0ms; }
.pb-act.is-on > .pb-foot.is-shown { opacity: 1; transform: none; transition: opacity 800ms var(--ease-expo), transform 800ms var(--ease-expo); }
@media (max-width: 900px), (max-height: 560px) { .pb-act.is-on > .pb-foot:not(.is-shown) { opacity: 1; transform: none; } }

/* Einwand-Tafel so hoch wie ihr Inhalt, per JS mittig im Viewport gepinnt.
   So bleibt weder oben noch unten eine leere Bildschirmhälfte stehen. */
.pb-ein2 { min-height: 0; padding-top: clamp(20px, 3.4vh, 44px); padding-bottom: clamp(20px, 3.4vh, 44px); }
.pb { padding-bottom: clamp(24px, 4vh, 56px); }

/* Hinweis sitzt unter der Tafel, nie über ihrem Text */
.pb-ein2 > .pb-cue { top: calc(100% + clamp(14px, 3vh, 34px)); bottom: auto; }
.pb-ein2 > .pb-cue.is-nofit { opacity: 0 !important; }

/* Längstes Label („Web / Software") darf nicht umbrechen */
.pb-row > span:first-child { white-space: nowrap; }

/* Zeitachsen größer und besser lesbar */
.pb-axes { max-width: 1040px; gap: clamp(20px, 4vw, 64px); }
.pb-axes .pb-label { font-size: 11.5px; letter-spacing: 0.16em; margin-bottom: 12px; }
.pb-rows { gap: 9px; }
.pb-row { grid-template-columns: 138px minmax(0, 1fr); gap: 14px; }
.pb-row > span:first-child { font-size: 13.5px; color: var(--fg); }
.pb-lane { height: 20px; border-radius: 3px; }
.pb-bar { border-radius: 3px; }
@media (max-width: 900px) {
  .pb-row { grid-template-columns: 118px minmax(0, 1fr); gap: 10px; }
  .pb-row > span:first-child { font-size: 12px; }
  .pb-lane { height: 16px; }
  .pb-axes .pb-label { font-size: 10.5px; }
}