/* Habitué · Präsentation. Nur aktiv mit html.mit-dk (presentation.habitue.ch oder ?praesentation).
   Folien liegen als 16:9-Bühne (1600 × 900) über der Software und werden auf den Bildschirm skaliert.
   Farben wie in der App: Bordeaux als einziger Akzent, Papier im Ton von Lukas' Grafiken. */

html.mit-dk {
  --dk-grund: #F8F4EB;
  --dk-karte: #FFFDF9;
  --dk-tinte: #3F3A36;
  --dk-weich: #6C635B;
  --dk-linie: #E7DCCC;
  --dk-bordeaux: #6B1E2E;
  --dk-bordeaux-dunkel: #561724;
  --dk-bordeaux-hell: #F5E8E9;
  --dk-serif: Times, 'Times New Roman', serif;
  --dk-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --dk-ease: cubic-bezier(0.22, 1, 0.36, 1);
}
html.dk-offen { overflow: hidden; }
html.dk-start #app { visibility: hidden; }

/* ---------- Ebene über der Software ---------- */
.dk {
  position: fixed; inset: 0; z-index: 60;
  background: var(--dk-grund); color: var(--dk-tinte);
  font-family: var(--dk-sans);
  opacity: 0; visibility: hidden;
  transition: opacity 450ms var(--dk-ease), visibility 0s linear 450ms;
  -webkit-font-smoothing: antialiased;
  outline: none;
}
html.dk-offen .dk { opacity: 1; visibility: visible; transition: opacity 450ms var(--dk-ease); }
html.dk-start .dk { transition: none; }

.dk-buehne {
  position: absolute; left: 50%; top: 50%;
  width: 1600px; height: 900px;
  transform: translate(-50%, -50%) scale(var(--dk-s, 1));
  transform-origin: center;
}

/* ---------- Folien ---------- */
.dk-folie {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  padding: 56px 112px;
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: opacity 380ms var(--dk-ease), transform 500ms var(--dk-ease), visibility 0s linear 500ms;
}
.dk-folie.ist-aktiv {
  opacity: 1; visibility: visible; transform: none;
  transition: opacity 600ms var(--dk-ease) 80ms, transform 800ms var(--dk-ease) 80ms, visibility 0s;
}
.dk-folie [data-dk] { opacity: 0; transform: translateY(12px); transition: opacity 300ms ease, transform 300ms ease; }
.dk-folie.ist-aktiv [data-dk] {
  opacity: 1; transform: none;
  transition: opacity 700ms var(--dk-ease), transform 900ms var(--dk-ease);
  transition-delay: calc(160ms + var(--i, 0) * 90ms);
}

/* Grafiken von Lukas: Hintergrund im selben Papierton, Ränder laufen weich aus */
.dk-grafik { position: relative; margin: 0; flex: 1; min-height: 0; }
.dk-grafik img {
  position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: contain;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 2.5%, #000 97.5%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 2.5%, #000 97.5%, transparent);
}
.dk-folie[data-id="problem"] { background: #F9F5EC; }
.dk-folie[data-id="loesung"] { background: #F7F4EB; }

/* ---------- Folie 1: Logo und Challenge-Frage über der Grafik ---------- */
.dk-folie.ist-frage { padding: 48px 112px 36px; }
.dk-logo {
  display: inline-flex; align-self: center; align-items: center; gap: 14px; margin: 0 0 22px;
  font: italic 700 46px/1 var(--dk-serif); letter-spacing: -0.045em; color: var(--dk-bordeaux);
}
.dk-frage {
  margin: 0 auto; max-width: 1340px; text-align: center;
  font: italic 400 34px/1.32 var(--dk-serif); letter-spacing: -0.005em; color: var(--dk-tinte);
  text-wrap: balance;
}
.dk-folie.ist-frage .dk-grafik { margin-top: 24px; }
.dk-folie.ist-frage .dk-marke-kopf { margin: 0 0 20px; }

/* ---------- Folie 2: Grafik, darunter klein der Zeitgewinn ---------- */
.dk-zeit {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin: 20px 0 0;
  border-top: 1px solid var(--dk-linie);
}
.dk-zeit p { position: relative; margin: 0; padding: 20px 28px 0; text-align: center; }
.dk-zeit p + p::before {
  content: '→'; position: absolute; left: -9px; top: 44px;
  font: 400 20px/1 var(--dk-sans); color: var(--dk-bordeaux); opacity: 0.55;
}
.dk-zeit small { display: block; font: 500 15px/1.3 var(--dk-sans); color: var(--dk-weich); }
.dk-zeit b { display: block; margin: 6px 0 4px; font: 400 40px/1.05 var(--dk-serif); color: var(--dk-bordeaux); white-space: nowrap; }
.dk-zeit span { display: block; font: 400 15px/1.4 var(--dk-sans); color: var(--dk-weich); }
.dk-zeit .ist-frueher b { color: #A2958A; }
.dk-zeit .ist-danach b { font-style: italic; }

/* ---------- Schluss: die echte App am Handy (iframe ?handy) im Telefonrahmen ---------- */
.dk-folie.ist-handy { align-items: center; justify-content: center; padding: 24px; }
.dk-telefon {
  display: flex; flex-direction: column; width: 414px; height: 840px; padding: 12px;
  border-radius: 58px; background: #24201F;
  box-shadow: inset 0 0 0 1.5px #3A3432, 0 40px 80px -36px rgba(63, 45, 30, 0.55), 0 12px 24px -16px rgba(0, 0, 0, 0.35);
}
.dk-status {
  position: relative; display: flex; align-items: center; justify-content: space-between; flex: none;
  height: 44px; padding: 0 30px 0 34px; border-radius: 46px 46px 0 0; background: #FFFFFF;
  font: 600 15px/1 var(--dk-sans); color: var(--dk-tinte);
}
.dk-status i { position: absolute; left: 50%; top: 10px; width: 110px; height: 30px; margin-left: -55px; border-radius: 20px; background: #24201F; }
.dk-status b { width: 25px; height: 12px; padding: 1.5px; border-radius: 4px; border: 1.5px solid currentColor; background: linear-gradient(90deg, currentColor 0 75%, transparent 75%) content-box; }
.dk-telefon iframe { display: block; flex: 1; width: 390px; border: 0; border-radius: 0 0 46px 46px; background: #FFFFFF; }

/* ---------- Pilot in 90 Tagen: drei Spalten, gross die Tage, darunter Stichpunkte und Ergebnis ---------- */
.dk-folie.ist-pilot { padding: 48px 112px 64px; }
/* Logo mit Unterzeile wie in der App-Kopfzeile */
.dk-marke-kopf { display: grid; justify-items: center; gap: 10px; margin: 0 0 auto; }
.dk-marke-kopf .dk-logo { margin: 0; }
.dk-claim { margin: 0; font: 500 14px/1 var(--dk-sans); letter-spacing: 0.2em; text-transform: uppercase; color: var(--dk-bordeaux); }
.dk-folie.ist-pilot .dk-plan-phasen { margin: 0 0 auto; }
.dk-plan-phasen { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 56px; margin: 0; padding: 0; list-style: none; }
.dk-plan-phasen > li { display: flex; flex-direction: column; }
.dk-plan-tage { margin: 0; font: 400 76px/1 var(--dk-serif); letter-spacing: -0.02em; color: var(--dk-bordeaux); font-variant-numeric: lining-nums; }
.dk-plan-phasen h2 { margin: 14px 0 22px; font: italic 400 30px/1.15 var(--dk-serif); color: var(--dk-tinte); }
.dk-plan-phasen ul { display: grid; gap: 12px; margin: 0 0 28px; padding: 0; list-style: none; }
.dk-plan-phasen ul li { position: relative; padding-left: 18px; font: 400 19px/1.45 var(--dk-sans); color: var(--dk-weich); }
.dk-plan-phasen ul li::before { content: ''; position: absolute; left: 0; top: 0.6em; width: 6px; height: 6px; border-radius: 50%; background: var(--dk-bordeaux); opacity: 0.55; }
.dk-plan-ergebnis {
  display: grid; gap: 6px; margin: auto 0 0; padding: 16px 18px; border-radius: 14px;
  background: var(--dk-bordeaux-hell); border-left: 3px solid var(--dk-bordeaux);
  font: 500 18px/1.4 var(--dk-sans); color: var(--dk-tinte);
}
.dk-plan-ergebnis b { font: 600 14px/1 var(--dk-sans); color: var(--dk-bordeaux); }

.dk :focus-visible, .dk-live :focus-visible { outline: 2px solid var(--dk-bordeaux); outline-offset: 3px; }

/* ---------- Steuerung unten (blendet aus, wenn die Maus ruht) ---------- */
.dk-leiste {
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%);
  display: flex; align-items: center; gap: 6px; padding: 6px;
  border-radius: 999px; background: rgba(255, 253, 249, 0.86); border: 1px solid var(--dk-linie);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  opacity: 0; transition: opacity 400ms ease;
}
.dk.dk-maus .dk-leiste, .dk-leiste:focus-within, .dk-leiste:hover { opacity: 1; }
@media (hover: none) { .dk-leiste { opacity: 1; } }
.dk-leiste button {
  display: grid; place-items: center; min-width: 40px; height: 40px; padding: 0 10px; border: 0; border-radius: 999px;
  background: none; color: var(--dk-bordeaux); cursor: pointer; font: 500 14px/1 var(--dk-sans);
}
.dk-leiste button:hover { background: var(--dk-bordeaux-hell); }
.dk-leiste button:disabled { opacity: 0.3; cursor: default; background: none; }
.dk-punkte { display: flex; align-items: center; gap: 2px; padding: 0 4px; }
.dk-punkte button { min-width: 22px; padding: 0; }
.dk-punkte button::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #D9CBB6; transition: background-color 200ms ease, width 300ms var(--dk-ease); }
.dk-punkte button[aria-current="step"]::before { width: 24px; border-radius: 999px; background: var(--dk-bordeaux); }
.dk-punkte .ist-live { min-width: 0; padding: 0 10px; font-size: 13px; }
.dk-punkte .ist-live::before { display: none; }
.dk-trenner { width: 1px; height: 22px; background: var(--dk-linie); }

/* ---------- In der Software: Weiter zur Präsentation ---------- */
.dk-live {
  position: fixed; right: max(20px, env(safe-area-inset-right, 0px)); bottom: max(20px, env(safe-area-inset-bottom, 0px)); z-index: 45;
  display: none; align-items: center; gap: 4px; padding: 5px;
  border-radius: 999px; background: rgba(255, 253, 249, 0.92); border: 1px solid #E7DCCC;
  box-shadow: 0 10px 30px -14px rgba(63, 58, 54, 0.45);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  font-family: var(--dk-sans);
}
html.dk-ist-live .dk-live { display: inline-flex; animation: dk-live-ein 500ms var(--dk-ease) both; }
@keyframes dk-live-ein { from { opacity: 0; transform: translateY(10px); } }
.dk-live button { display: inline-flex; align-items: center; gap: 10px; height: 46px; border: 0; border-radius: 999px; cursor: pointer; font: 500 16px/1 var(--dk-sans); }
.dk-live-zurueck { width: 46px; justify-content: center; background: none; color: var(--dk-bordeaux); }
.dk-live-zurueck:hover { background: var(--dk-bordeaux-hell); }
.dk-live-weiter { padding: 0 20px 0 22px; background: var(--dk-bordeaux); color: #FBF7F0; }
.dk-live-weiter:hover { background: var(--dk-bordeaux-dunkel); }

.dk-nur-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (prefers-reduced-motion: reduce) {
  .dk, .dk-folie, .dk-folie.ist-aktiv, .dk-folie [data-dk], .dk-folie.ist-aktiv [data-dk] { transform: none !important; transition-duration: 1ms !important; transition-delay: 0s !important; }
  html.dk-ist-live .dk-live { animation: none; }
}