/* =====================================================================
   Erkunden-Modus — für Besucher mit QR-Code oder direkter URL.
   Sekundär, aber im gleichen visuellen Wortschatz.
   ===================================================================== */

#explore { display: none; }
body.mode-explore #explore { display: block; }
body.mode-explore #scenes,
body.mode-explore #progress,
body.mode-explore #hint,
body.mode-explore #presenter { display: none !important; }
body.mode-explore #brandbar { position: absolute; opacity: 1; transform: none; }
body.mode-explore #modeswitch { position: fixed; }

#explore {
  position: relative;
  z-index: 5;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(88px, 14vh, 150px) var(--pad-x) clamp(60px, 10vh, 120px);
}

.ex-hero { display: grid; gap: clamp(16px, 2.6vh, 30px); margin-bottom: clamp(40px, 7vh, 86px); }
.ex-hero .h1 { max-width: 18ch; }

.ex-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 12px 0;
  margin-bottom: clamp(24px, 4vh, 44px);
  background: linear-gradient(180deg, var(--stage) 62%, transparent);
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.ex-nav::-webkit-scrollbar { display: none; }
.ex-nav a {
  flex: none;
  font-size: var(--t-small);
  color: var(--fg-3);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  transition: color 200ms, border-color 200ms;
}
.ex-nav a:hover { color: var(--fg); border-color: var(--line-strong); }

.ex-sec { padding: clamp(30px, 6vh, 66px) 0; border-top: 1px solid var(--line-soft); scroll-margin-top: 70px; }
.ex-sec > .head { margin-bottom: clamp(18px, 3vh, 34px); }
.ex-sec > .head .h2 { max-width: 24ch; }
.ex-sec > .head .sub { color: var(--fg-3); font-size: var(--t-body); margin-top: 8px; }

/* Use-Case-Kacheln */
.ex-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; }
.ex-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
  display: grid;
  align-content: start;
  transition: border-color 260ms, transform 260ms var(--ease);
}
.ex-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.ex-card .shot { aspect-ratio: 16/9; background: #0a0e24; position: relative; }
.ex-card .shot img, .ex-card .shot video { width: 100%; height: 100%; object-fit: cover; }
.ex-card .shot .play {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: rgba(4, 6, 28, .35); color: #fff; font-size: 26px;
  transition: background 240ms, opacity 240ms;
}
.ex-card .shot .play:hover { background: rgba(4, 6, 28, .18); }
.ex-card .b { padding: 18px 20px 22px; display: grid; gap: 9px; }
.ex-card .b .t { font-size: var(--t-h3); font-weight: 600; letter-spacing: -.02em; }
.ex-card .b .d { font-size: var(--t-small); color: var(--fg-2); }
.ex-card .b .pts { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }
.ex-card .b .pts span {
  font-size: 11px; color: var(--fg-3);
  border: 1px solid var(--line); border-radius: 999px; padding: 3px 9px;
}

/* Prinzipien */
.ex-principles { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; }
.ex-principle {
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 20px 22px;
  background: var(--surface);
  display: grid; gap: 8px;
}
.ex-principle .t { font-size: var(--t-h3); font-weight: 600; letter-spacing: -.02em; }
.ex-benefit { gap: 10px; }
.ex-benefit .bar {
  display: block; height: 2px; width: 46px; border-radius: 2px;
  background: linear-gradient(90deg, var(--ok), rgba(52, 211, 153, .12));
}
.ex-principle .d { font-size: var(--t-small); color: var(--fg-2); }

/* Hubs */
.ex-hubs { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 14px; }
.ex-hub {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
}
.ex-hub .shot { aspect-ratio: 16/9; }
.ex-hub .shot img { width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.ex-hub .b { padding: 20px 22px 24px; display: grid; gap: 10px; }
.ex-hub .b .t { font-size: var(--t-h3); font-weight: 600; letter-spacing: -.02em; }
.ex-hub .b .d { font-size: var(--t-small); color: var(--fg-2); }
.ex-hub .b ul { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.ex-hub .b li {
  font-size: 11.5px; color: var(--fg-3);
  border: 1px solid var(--line-soft); border-radius: 5px; padding: 4px 9px;
}

/* Architektur / Journey im Erkunden-Modus */
.ex-arch { display: grid; gap: 10px; }
.ex-journey { display: grid; gap: 10px; }
.ex-journey .j {
  display: grid; grid-template-columns: 96px 1fr; gap: 16px;
  padding: 16px 0; border-top: 1px solid var(--line-soft);
}
.ex-journey .j .m {
  font-size: var(--t-kicker); font-weight: 600; letter-spacing: .2em;
  text-transform: uppercase; color: var(--fg-3); padding-top: 3px;
}
.ex-journey .j .t { font-size: var(--t-h3); font-weight: 600; letter-spacing: -.02em; }
.ex-journey .j .d { font-size: var(--t-small); color: var(--fg-2); margin-top: 5px; }

.ex-foot {
  margin-top: clamp(40px, 8vh, 90px);
  padding-top: 26px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 18px;
  justify-items: start;
}
.ex-foot .logos { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.ex-foot .x { color: var(--fg-4); }

@media (max-width: 700px) {
  .ex-journey .j { grid-template-columns: 1fr; gap: 4px; }
}