/* Moritz Hauff IT — Design-Lab
   Experimental-Layer über dem Editorial-Grundsystem.
   Lädt zusätzlich zu styles.css. */

/* ---------- Seitenrahmen ---------- */
.lab-hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) var(--gutter) clamp(2rem, 4vw, 3rem);
}
.lab-hero .eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  padding-bottom: 0.6em;
  border-bottom: 1px solid var(--accent);
  display: inline-block;
  margin-bottom: 2rem;
}
.lab-hero h1 {
  font-size: clamp(3rem, 8vw, 6.5rem);
  margin-bottom: 1.5rem;
}
.lab-hero h1 em { font-style: italic; color: var(--accent); font-weight: 300; }
.lab-hero p {
  font-family: var(--serif);
  font-size: 1.2rem;
  line-height: 1.45;
  color: var(--ink-dim);
  max-width: 52ch;
}

/* Scroll-Progress-Bar oben (Exhibit 05) */
.lab-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(0);
  z-index: 300;
  pointer-events: none;
}

/* ---------- Exhibit-Rahmen ---------- */
.exhibit {
  border-top: 1px solid var(--rule-ink);
  padding-block: clamp(4rem, 9vw, 7rem);
  /* Menue-Anker landen nicht unter Masthead + Sticky-Menue */
  scroll-margin-top: 125px;
}
.exhibit:last-of-type { border-bottom: 1px solid var(--rule-ink); }
.exhibit-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.exhibit-head {
  display: grid;
  gap: 1rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.exhibit-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  border-top: 1px solid var(--accent);
  padding-top: 0.55rem;
  width: max-content;
}
.exhibit-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin: 0;
}
.exhibit-desc {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink-dim);
  max-width: 60ch;
  margin-top: 0.8rem;
}
.exhibit-desc code {
  font-size: 0.85em;
}

/* ---------- Exhibit 01: Magnetic Type ---------- */
.mtype-stage {
  border-block: 1px solid var(--rule);
  padding-block: clamp(3rem, 8vw, 5rem);
  cursor: crosshair;
  user-select: none;
  text-align: center;
}
.mtype-word {
  font-family: var(--serif);
  font-size: clamp(3.4rem, 12vw, 10rem);
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink);
  white-space: nowrap;
}
.mtype-word span {
  display: inline-block;
  font-variation-settings: "wght" 300, "SOFT" 50, "WONK" 0;
  transition: font-variation-settings 0.08s linear;
  will-change: font-variation-settings;
}
.mtype-hint {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 1.5rem;
}

/* ---------- Exhibit 02: Tilt-Karten ---------- */
.tilt-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  perspective: 1200px;
}
.tilt-card {
  background: var(--paper-tint);
  border: 1px solid var(--rule-ink);
  padding: 1.6rem;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2.5rem;
  transform-style: preserve-3d;
  transition: box-shadow 0.25s ease;
  will-change: transform;
  cursor: default;
}
.tilt-card.is-live { box-shadow: 10px 12px 0 rgba(17, 17, 16, 0.85); }
.tilt-glare {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    500px circle at var(--gx, 50%) var(--gy, 50%),
    rgba(198, 58, 36, 0.08),
    transparent 55%
  );
  opacity: 0;
  transition: opacity 0.25s ease;
}
.tilt-card.is-live .tilt-glare { opacity: 1; }
.tilt-card { position: relative; }
.tilt-tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.tilt-name {
  font-family: var(--serif);
  font-size: 1.9rem;
  letter-spacing: -0.02em;
  margin: 0.6rem 0 0;
  transform: translateZ(40px);
}
.tilt-name .amp { font-style: italic; font-weight: 300; color: var(--accent); }

/* ---------- Exhibit 03: Scramble-Headline ---------- */
.scramble-stage {
  border-block: 1px solid var(--rule);
  padding-block: clamp(3rem, 8vw, 5rem);
  text-align: center;
}
.scramble-line {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 8vw, 6.5rem);
  letter-spacing: -0.035em;
  line-height: 1.05;
  color: var(--ink);
  min-height: 1.1em;
}
.scramble-line .scr {
  font-style: italic;
  color: var(--accent);
  font-weight: 300;
  display: inline-block;
  min-width: 5ch;
  text-align: left;
}
.scramble-wordlist {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.2rem;
  margin-top: 2rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.scramble-wordlist button {
  background: transparent;
  border: 1px solid var(--rule-ink);
  padding: 0.4rem 0.8rem;
  font: inherit;
  color: var(--ink-dim);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.scramble-wordlist button:hover,
.scramble-wordlist button[aria-pressed="true"] {
  color: var(--accent);
  border-color: var(--accent);
}
.scramble-wordlist button[aria-pressed="true"] { background: var(--accent-soft); }

/* ---------- Exhibit 04: Scroll-Velocity-Marquee ---------- */
.vmarquee {
  border-block: 1px solid var(--rule-ink);
  overflow: hidden;
  padding-block: 1.2rem;
  background: var(--paper-tint);
}
.vmarquee-track {
  display: flex;
  gap: 2rem;
  width: max-content;
  will-change: transform;
}
.vmarquee-item {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  letter-spacing: -0.02em;
  color: var(--ink);
  white-space: nowrap;
}
.vmarquee-item .alt {
  font-family: var(--mono);
  font-size: 0.7em;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-inline: 0.6rem;
}
.vmarquee-readout {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-top: 1.2rem;
}
.vmarquee-readout b { color: var(--accent); font-weight: 500; }

/* ---------- Exhibit 05: Magnetic Buttons ---------- */
.magnet-stage {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  align-items: center;
  justify-content: center;
  border-block: 1px solid var(--rule);
  padding-block: clamp(3rem, 8vw, 5rem);
}
.magnet-btn {
  will-change: transform;
  /* Button-Optik kommt aus .btn (styles.css) */
}

/* ---------- Exhibit 06: Ink-Hover-Linkliste ---------- */
.ink-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--rule-ink);
  max-width: 760px;
}
.ink-list li { border-bottom: 1px solid var(--rule); }
.ink-list a {
  display: grid;
  grid-template-columns: 8ch 1fr auto;
  gap: 1.2rem;
  align-items: baseline;
  padding: 1.1rem 0;
  position: relative;
  z-index: 0;
  transition: color 0.3s ease;
}
.ink-list a::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(.22,.9,.24,1);
  z-index: -1;
}
.ink-list a:hover { color: var(--paper); }
.ink-list a:hover::before { transform: scaleX(1); }
.ink-idx {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-left: 0.4rem;
}
.ink-name {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  letter-spacing: -0.015em;
}
.ink-arrow {
  font-family: var(--serif);
  font-style: italic;
  transition: transform 0.3s ease;
  padding-right: 0.4rem;
}
.ink-list a:hover .ink-arrow { transform: translateX(6px); }

/* ---------- Lab-Footer-Hinweis ---------- */
.lab-outro {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 5rem) var(--gutter);
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--ink-dim);
}
.lab-outro a { color: var(--accent); border-bottom: 1px solid var(--accent); }

/* =========================================================
   CRAZY EXPANSION — Exhibit 07–14 + Menü + Want-Buttons
   ========================================================= */

/* --- Sticky Exhibit-Menü --- */
.lab-menu {
  position: sticky;
  top: 63px; /* direkt unter dem sticky masthead */
  z-index: 40;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 1rem;
  padding: 0.6rem var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
  background: var(--paper);
  border-top: 1px solid var(--accent);
  border-bottom: 1px solid var(--rule-ink);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.lab-menu-label { color: var(--accent); margin-right: 0.5rem; }
.lab-menu a {
  color: var(--ink-dim);
  padding-bottom: 0.1rem;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.lab-menu a:hover { color: var(--accent); border-color: var(--accent); }

/* --- "Das will ich"-Button --- */
.lab-want { align-self: flex-start; margin-top: 0.6rem; }

/* --- 07 Parallax-Galerie --- */
.pgrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 3vw, 2rem);
  align-items: start;
}
.pimg {
  margin: 0;
  border: 1px solid var(--rule-ink);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: var(--paper-tint);
}
.pimg:nth-child(2) { margin-top: clamp(2rem, 6vw, 5rem); }
.pimg:nth-child(3) { margin-top: clamp(1rem, 3vw, 2.5rem); }
.pimg img {
  width: 100%;
  height: 118%;
  object-fit: cover;
  display: block;
  will-change: transform;
}

/* --- 08 Sticky-Horizontal-Scroll --- */
.hscroll { height: 280vh; position: relative; }
.hscroll-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  border-block: 1px solid var(--rule-ink);
  background: var(--paper-tint);
}
.hscroll-track {
  display: flex;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-inline: var(--gutter);
  will-change: transform;
}
.hscroll-track figure {
  margin: 0;
  flex: 0 0 clamp(300px, 42vw, 560px);
  border: 1px solid var(--rule-ink);
  background: var(--paper);
}
.hscroll-track img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
}
.hscroll-track figcaption {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 0.7rem 0.9rem;
  border-top: 1px solid var(--rule);
}

/* --- 09 Curtain-Reveal --- */
.curtain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 3vw, 2rem);
}
.curtain {
  position: relative;
  margin: 0;
  border: 1px solid var(--rule-ink);
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--ink);
}
.curtain img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.18);
  transition: transform 1.4s cubic-bezier(.16,.8,.24,1) 0.25s;
}
.curtain::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleY(1);
  transform-origin: top;
  transition: transform 0.9s cubic-bezier(.65,.05,.18,1);
}
.curtain figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--accent);
  padding: 0.4rem 0.8rem;
  opacity: 0;
  transition: opacity 0.4s ease 0.9s;
}
.curtain.in::after { transform: scaleY(0); transform-origin: bottom; }
.curtain.in img { transform: scale(1); }
.curtain.in figcaption { opacity: 1; }
.curtain-grid .curtain:nth-child(2)::after { transition-delay: 0.15s; }
.curtain-grid .curtain:nth-child(2) img { transition-delay: 0.4s; }
.curtain-grid .curtain:nth-child(3)::after { transition-delay: 0.3s; }
.curtain-grid .curtain:nth-child(3) img { transition-delay: 0.55s; }

/* --- 10 3D-Ring-Karussell --- */
.ring-stage {
  height: clamp(340px, 55vw, 480px);
  border-block: 1px solid var(--rule);
  display: grid;
  place-items: center;
  perspective: 1400px;
  cursor: grab;
  user-select: none;
  position: relative;
  overflow: hidden;
}
.ring-stage:active { cursor: grabbing; }
.ring {
  position: relative;
  width: clamp(200px, 26vw, 300px);
  aspect-ratio: 3 / 2;
  transform-style: preserve-3d;
  will-change: transform;
}
.ring figure {
  position: absolute;
  inset: 0;
  margin: 0;
  border: 1px solid var(--rule-ink);
  background: var(--paper-tint);
  backface-visibility: hidden;
  transform: rotateY(var(--r)) translateZ(clamp(220px, 30vw, 360px));
}
.ring img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}
.ring-hint {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* --- 11 Mouse-Trail --- */
.trail-stage {
  position: relative;
  height: clamp(320px, 50vw, 460px);
  border-block: 1px solid var(--rule);
  overflow: hidden;
  cursor: crosshair;
}
.trail-hint {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  pointer-events: none;
}
.trail-img {
  position: absolute;
  width: clamp(90px, 12vw, 150px);
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--rule-ink);
  pointer-events: none;
  z-index: 2;
  animation: trail-pop 1.1s cubic-bezier(.16,.8,.24,1) forwards;
  will-change: transform, opacity;
}
@keyframes trail-pop {
  0%   { transform: translate(-50%, -50%) scale(0.4) rotate(var(--tilt, 0deg)); opacity: 0; }
  18%  { opacity: 1; }
  60%  { transform: translate(-50%, -56%) scale(1) rotate(var(--tilt, 0deg)); opacity: 1; }
  100% { transform: translate(-50%, -70%) scale(0.85) rotate(var(--tilt, 0deg)); opacity: 0; }
}

/* --- 12 Text-Maske --- */
.tmask-stage {
  border-block: 1px solid var(--rule-ink);
  padding-block: clamp(3rem, 8vw, 5rem);
  text-align: center;
  overflow: hidden;
}
.tmask {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(3.6rem, 14vw, 11rem);
  line-height: 0.92;
  letter-spacing: -0.04em;
  background-image: url("assets/lab/img-1043.jpg");
  background-size: 160%;
  background-position: 50% 40%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: tmask-pan 24s ease-in-out infinite alternate;
  will-change: background-position;
}
@keyframes tmask-pan {
  from { background-position: 20% 30%; }
  to   { background-position: 80% 70%; }
}

/* --- 13 Pixel-Hover --- */
.pixel-stage {
  border-block: 1px solid var(--rule-ink);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--paper-tint);
}
.pixel-canvas {
  display: block;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  border: 1px solid var(--rule-ink);
  cursor: crosshair;
  background: var(--ink);
}
.pixel-hint {
  text-align: center;
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* --- 14 Sticky-Card-Stack --- */
.stack { display: grid; gap: 1.5rem; }
.stack-card {
  position: sticky;
  top: calc(120px + var(--i, 0) * 28px);
  background: var(--paper);
  border: 1px solid var(--rule-ink);
  box-shadow: 6px 6px 0 var(--ink);
  padding: clamp(1.6rem, 4vw, 2.4rem);
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 1.5rem;
  align-items: baseline;
}
.stack-card:nth-child(even) { background: var(--paper-tint); }
.stack-num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 2.4rem;
  color: var(--accent);
  line-height: 1;
}
.stack-card h3 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}
.stack-card p { margin: 0; max-width: 56ch; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .tilt-grid { grid-template-columns: 1fr; }
  .pgrid, .curtain-grid { grid-template-columns: 1fr; }
  .pimg:nth-child(2), .pimg:nth-child(3) { margin-top: 0; }
  .lab-menu { top: 56px; }
}
@media (max-width: 720px) {
  .mtype-word { white-space: normal; }
  .ink-list a { grid-template-columns: 5ch 1fr auto; }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .mtype-word span { transition: none; }
  .tilt-card, .tilt-card.is-live { transform: none !important; box-shadow: none; }
  .magnet-btn { transform: none !important; }
  .lab-progress { display: none; }
  /* Crazy-Exponate statisch ausliefern */
  .pimg img { transform: none !important; height: 100%; }
  .hscroll { height: auto; }
  .hscroll-sticky { position: static; height: auto; overflow-x: auto; }
  .hscroll-track { transform: none !important; }
  .curtain::after { display: none; }
  .curtain img { transform: none; }
  .curtain figcaption { opacity: 1; }
  .ring { transform: none !important; transform-style: flat; }
  .ring figure { position: static; transform: none !important; margin-bottom: 0.5rem; }
  .ring-stage { height: auto; }
  .tmask { animation: none; color: var(--ink); background: none; }
  .trail-hint { position: static; transform: none; padding: 4rem 0; }
  .trail-stage { height: auto; display: grid; place-items: center; }
}

/* ==========================================================================
   VIDEO-EXPONATE (15–17)
   ========================================================================== */

.video-credit {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  margin: 0.9rem auto 0;
  max-width: 900px;
  text-align: center;
}

/* ---------- Exhibit 15: dark section + Video-Scroll-Scrub ---------- */

.exhibit-dark {
  background: var(--ink);
  color: var(--paper);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.exhibit-dark .exhibit-num { color: var(--paper); opacity: 0.55; }
.exhibit-dark .exhibit-desc { color: rgba(244, 241, 232, 0.78); }
.exhibit-dark .exhibit-desc code {
  background: rgba(244, 241, 232, 0.12);
  color: var(--paper);
}
/* styles.css setzt strong global auf --ink → auf dunklen Exponaten unsichtbar */
.exhibit-dark .exhibit-desc strong { color: var(--paper); }
.exhibit-dark .lab-want {
  color: var(--paper);
  border-color: rgba(244, 241, 232, 0.5);
}
.exhibit-dark .lab-want:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--paper);
}
.exhibit-dark .video-credit { color: rgba(244, 241, 232, 0.5); }

.vscrub { height: 260vh; }
.vscrub-sticky {
  position: sticky;
  top: 74px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding-top: 0.5rem;
}
.vscrub-frame {
  position: relative;
  width: min(920px, 100%);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(244, 241, 232, 0.35);
  box-shadow: 8px 8px 0 var(--accent);
  background: #000;
}
.vscrub-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.vscrub-hint {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--paper);
  background: rgba(17, 17, 16, 0.6);
  border: 1px solid rgba(244, 241, 232, 0.4);
  padding: 0.45rem 0.9rem;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.vscrub-hud {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.65rem 0.85rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--paper);
  background: linear-gradient(rgba(17, 17, 16, 0), rgba(17, 17, 16, 0.8));
}
.vscrub-time b { font-weight: 600; }
.vscrub-time i { font-style: normal; opacity: 0.6; }
.vscrub-bar {
  position: relative;
  flex: 1;
  height: 2px;
  background: rgba(244, 241, 232, 0.3);
}
.vscrub-bar i {
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
}
.vscrub-pct { min-width: 4ch; text-align: right; opacity: 0.8; }

/* ---------- Exhibit 16: Dark Video-Hero (Griener-Anmutung) ---------- */

.vhero {
  position: relative;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  aspect-ratio: 16 / 10;
  min-height: 460px;
  overflow: hidden;
  background: #0a0a09;
  display: flex;
  align-items: flex-end;
}
.vhero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.vhero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 9, 0.55) 0%,
    rgba(10, 10, 9, 0.25) 40%,
    rgba(10, 10, 9, 0.85) 100%
  );
}
.vhero-content {
  position: relative;
  padding: clamp(1.4rem, 4vw, 3rem);
  width: 100%;
}
.vhero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  border: 1px solid rgba(244, 241, 232, 0.45);
  border-radius: 999px;
  padding: 0.4rem 0.95rem;
  backdrop-filter: blur(2px);
}
.vhero-badge i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: vhero-pulse 2.2s ease-in-out infinite;
}
@keyframes vhero-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.7); }
}
.vhero-title {
  margin: 1rem 0 0.7rem;
  font-family: var(--serif);
  font-weight: 620;
  font-style: normal;
  font-size: clamp(2.1rem, 6.2vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--paper);
  text-wrap: balance;
}
.vhero-line {
  display: block;
  overflow: hidden;
}
.vhero-line > span {
  display: block;
  animation: vhero-rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both;
  animation-delay: calc(250ms + var(--i, 0) * 140ms);
}
.vhero-accent { color: var(--accent); font-style: italic; font-weight: 480; }
@keyframes vhero-rise {
  from { transform: translateY(110%); }
  to { transform: translateY(0); }
}
.vhero-sub {
  margin: 0;
  color: rgba(244, 241, 232, 0.82);
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  max-width: 46ch;
}
.vhero-usps {
  position: absolute;
  left: clamp(1.4rem, 4vw, 3rem);
  right: clamp(1.4rem, 4vw, 3rem);
  bottom: clamp(0.8rem, 2vw, 1.4rem);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  list-style: none;
  margin: 0;
  padding: 0.8rem 0 0;
  border-top: 1px solid rgba(244, 241, 232, 0.3);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: rgba(244, 241, 232, 0.72);
}
.vhero-usps li::before { content: "· "; color: var(--accent); }

/* ---------- Exhibit 17: Video im Text ---------- */

.vmask {
  position: relative;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  aspect-ratio: 16 / 6.4;
  overflow: hidden;
  background: #000;
  border: 1px solid var(--rule-ink);
  box-shadow: 8px 8px 0 var(--ink);
  container-type: inline-size;
}
.vmask-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.08) saturate(1.15);
}
/* Blend-Trick: weisse Schrift (1) × Video = Video bleibt; schwarzer
   Hintergrund (0) × Video = schwarz. Video nur in den Buchstaben. */
.vmask-word {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: #000;
  color: #fff;
  mix-blend-mode: multiply;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 640;
  font-size: clamp(3rem, 13vw, 9rem);
  letter-spacing: -0.02em;
  line-height: 1;
  text-align: center;
  user-select: none;
  white-space: nowrap;
}
/* Schrift an Container-Breite koppeln (Fraunces kursiv 640: »TINTE.« ≈ 3em
   breit → 26cqw ≈ 78 % der Bühne). Fallback oben bleibt für alte Browser. */
@supports (container-type: inline-size) {
  .vmask-word { font-size: 21cqw; }
}

/* ---------- Mobile ---------- */

@media (max-width: 720px) {
  .vscrub-sticky { top: 62px; }
  .vhero { aspect-ratio: 4 / 5; min-height: 420px; }
  .vhero-usps { gap: 0.3rem 1.2rem; }
  .vmask { aspect-ratio: 4 / 3; }
}

/* ---------- Reduced Motion: Video-Exponate ---------- */

@media (prefers-reduced-motion: reduce) {
  .vscrub { height: auto; }
  .vscrub-sticky { position: static; padding-top: 0; }
  .vscrub-hint { display: none; }
  .vhero-line > span { animation: none; }
  .vhero-badge i { animation: none; }
}

/* ==========================================================================
   CHAOS-EXPONATE (18–21): Fluid, Partikel, Physik, Terminal
   ========================================================================== */

/* ---------- Exhibit 18: Fluid-Tinte (WebGL) ---------- */

.fluid-stage {
  position: relative;
  height: clamp(420px, 62vw, 640px);
  border: 1px solid rgba(244, 241, 232, 0.35);
  box-shadow: 8px 8px 0 var(--accent);
  overflow: hidden;
  background: #0a0a09;
}
.fluid-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: crosshair;
}
.fluid-caption {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 1rem;
  text-align: center;
  pointer-events: none;
  mix-blend-mode: screen;
}
.fluid-word {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(3rem, 10vw, 7.5rem);
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--paper);
  user-select: none;
}
.fluid-hint {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(244, 241, 232, 0.65);
}
/* Statischer Fallback (kein WebGL / reduced-motion): JS legt die Klasse
   .fluid-static auf die Bühne bzw. startet die Simulation gar nicht. */
.fluid-stage.fluid-static {
  background:
    radial-gradient(60% 90% at 20% 80%, rgba(198, 58, 36, 0.55), transparent 60%),
    radial-gradient(55% 80% at 85% 20%, rgba(46, 92, 154, 0.5), transparent 60%),
    radial-gradient(45% 60% at 60% 55%, rgba(214, 138, 32, 0.35), transparent 65%),
    #0a0a09;
}
.fluid-stage.fluid-static .fluid-canvas { display: none; }

/* ---------- Exhibit 19: Partikel-Text ---------- */

.ptext-stage {
  border-block: 1px solid var(--rule-ink);
  padding-block: clamp(2rem, 5vw, 3.5rem);
  text-align: center;
}
.ptext-fallback {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(3rem, 11vw, 8.5rem);
  letter-spacing: -0.035em;
  line-height: 1;
  color: var(--ink);
  margin: 0;
}
.ptext-canvas {
  display: none;
  width: 100%;
  margin: 0 auto;
  cursor: crosshair;
  touch-action: pan-y; /* vertikales Scrollen bleibt, wischen wirbelt trotzdem */
}
/* JS aktiv → Partikel-Canvas zeigen, echte Headline nur noch für
   Screenreader behalten */
.ptext-stage.is-live .ptext-canvas { display: block; }
.ptext-stage.is-live .ptext-fallback {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Exhibit 20: Grab & Throw ---------- */

.throw-stage {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-content: flex-start;
  border-block: 1px solid var(--rule-ink);
  background: var(--paper-tint);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  padding-top: 4.5rem; /* Platz für Hint + Reset (oben, Chips fallen nach unten) */
}
.throw-stage.is-live {
  display: block;
  height: clamp(400px, 58vw, 540px);
  padding: 0;
  overflow: hidden;
}
.throw-chip {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule-ink);
  box-shadow: 4px 4px 0 var(--ink);
  padding: 0.55rem 1rem;
  user-select: none;
  will-change: transform;
}
.throw-stage.is-live .throw-chip {
  position: absolute;
  top: 0;
  left: 0;
  margin: 0;
  cursor: grab;
  touch-action: none;
}
.throw-stage.is-live .throw-chip.is-held {
  cursor: grabbing;
  box-shadow: 7px 8px 0 var(--accent);
  border-color: var(--accent);
  z-index: 5;
}
.throw-reset {
  position: absolute;
  right: 1rem;
  top: 1rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  background: var(--paper);
  border: 1px solid var(--rule-ink);
  padding: 0.45rem 0.9rem;
  cursor: pointer;
  z-index: 6;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.throw-reset:hover { color: var(--accent); border-color: var(--accent); }
.throw-hint {
  position: absolute;
  left: 1rem;
  top: 1rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  pointer-events: none;
  z-index: 6;
}

/* ---------- Exhibit 21: Terminal-Demo-Karte (Sektion) ---------- */

.term-demo {
  max-width: 640px;
  margin: 0 auto;
  background: #0d0d0c;
  border: 1px solid rgba(244, 241, 232, 0.3);
  box-shadow: 8px 8px 0 rgba(198, 58, 36, 0.85);
  font-family: var(--mono);
}
.term-demo-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid rgba(244, 241, 232, 0.15);
}
.term-demo-bar i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(244, 241, 232, 0.25);
}
.term-demo-bar i:first-child { background: var(--accent); }
.term-demo-bar span {
  margin-left: 0.6rem;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: rgba(244, 241, 232, 0.5);
}
.term-demo-body {
  padding: 1rem 1.1rem 1.3rem;
  font-size: 0.82rem;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.88);
}
.term-demo-body p { margin: 0; }
.td-prompt { color: var(--accent); }
.td-out { color: rgba(244, 241, 232, 0.55); }
.td-caret {
  display: inline-block;
  width: 0.55em;
  height: 1.05em;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: td-blink 1.1s steps(1) infinite;
}
@keyframes td-blink { 50% { opacity: 0; } }

/* ---------- Exhibit 21: globales Terminal-Overlay ---------- */

.term-fab {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 350;
  width: 44px;
  height: 44px;
  font-family: var(--mono);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--rule-ink);
  box-shadow: 4px 4px 0 var(--accent);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.term-fab:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--accent); }
.term-overlay {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: grid;
  place-items: center;
  background: rgba(17, 17, 16, 0.55);
  backdrop-filter: blur(2px);
}
.term-overlay[hidden] { display: none; }
.term-panel {
  width: min(680px, 92vw);
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  background: #0d0d0c;
  color: rgba(244, 241, 232, 0.9);
  border: 1px solid rgba(244, 241, 232, 0.35);
  box-shadow: 10px 10px 0 var(--accent);
  font-family: var(--mono);
}
.term-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid rgba(244, 241, 232, 0.15);
}
.term-bar-title {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: rgba(244, 241, 232, 0.55);
}
.term-close {
  background: transparent;
  border: none;
  color: rgba(244, 241, 232, 0.7);
  font-family: var(--mono);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.1rem 0.4rem;
}
.term-close:hover { color: var(--accent); }
.term-out {
  flex: 1;
  overflow-y: auto;
  padding: 0.9rem 1rem;
  font-size: 0.8rem;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}
.term-out .tl-cmd { color: var(--paper); }
.term-out .tl-cmd::before { content: "hauff-it:~$ "; color: var(--accent); }
.term-out .tl-dim { color: rgba(244, 241, 232, 0.5); }
.term-out .tl-err { color: #e0654e; }
.term-out .tl-accent { color: var(--accent); }
.term-form {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1rem;
  border-top: 1px solid rgba(244, 241, 232, 0.15);
}
.term-prompt {
  font-size: 0.8rem;
  color: var(--accent);
  white-space: nowrap;
}
.term-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: inherit;
  font-family: var(--mono);
  font-size: 0.8rem;
  caret-color: var(--accent);
}

/* Matrix-Rain (Befehl »matrix«): Vollbild-Canvas über der Seite,
   Terminal bleibt darüber erreichbar */
.matrix-canvas {
  position: fixed;
  inset: 0;
  z-index: 390;
  pointer-events: none;
}
.matrix-canvas[hidden] { display: none; }

/* ---------- Mobile: Chaos-Exponate ---------- */

@media (max-width: 720px) {
  .fluid-stage { height: clamp(320px, 80vw, 440px); }
  .term-overlay { place-items: end center; }
  .term-panel {
    width: 100%;
    max-height: 62vh;
    box-shadow: 0 -4px 0 var(--accent);
  }
}

/* ---------- Reduced Motion: Chaos-Exponate ---------- */

@media (prefers-reduced-motion: reduce) {
  /* Fluid bleibt statischer Verlauf (JS startet die Sim gar nicht) */
  .fluid-stage {
    background:
      radial-gradient(60% 90% at 20% 80%, rgba(198, 58, 36, 0.55), transparent 60%),
      radial-gradient(55% 80% at 85% 20%, rgba(46, 92, 154, 0.5), transparent 60%),
      radial-gradient(45% 60% at 60% 55%, rgba(214, 138, 32, 0.35), transparent 65%),
      #0a0a09;
  }
  .fluid-canvas { display: none; }
  /* Partikel/Physik: JS aktiviert .is-live nicht → statische Varianten */
  .td-caret { animation: none; }
  /* Gyro-Szene statisch */
  .gyro-layer, .gyro-word { transform: none !important; }
  /* Chaos-Mode ohne Drehungen — nur Farbe */
  body.chaos main, body.chaos .masthead { animation: none; filter: hue-rotate(120deg); }
  body.chaos .exhibit { transform: none !important; }
}

/* ==========================================================================
   ETAPPE 2 — Exponate 22–25: Gyro, Mic, Synth, Konami
   ========================================================================== */

/* ---------- Exhibit 22: Gyro-Parallax ---------- */

.gyro-stage {
  position: relative;
  height: clamp(380px, 56vw, 560px);
  border-block: 1px solid var(--rule-ink);
  background: var(--paper-tint);
  overflow: hidden;
}
.gyro-layer {
  position: absolute;
  inset: -12%; /* Ueberstand, damit die Ebenen wandern koennen */
  will-change: transform;
}
.gyro-layer img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.gyro-layer:nth-child(2) { inset: -4% 18% 22% 18%; }
.gyro-layer:nth-child(3) { inset: 26% 34% 4% 34%; }
.gyro-layer:nth-child(2) img,
.gyro-layer:nth-child(3) img { border: 1px solid var(--rule-ink); }
.gyro-word {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(2.8rem, 9vw, 6.5rem);
  letter-spacing: -0.03em;
  color: var(--paper);
  text-shadow: 3px 3px 0 rgba(17, 17, 16, 0.75);
  will-change: transform;
  pointer-events: none;
  user-select: none;
}
.gyro-enable {
  position: absolute;
  left: 50%;
  bottom: 3.4rem;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--rule-ink);
  box-shadow: 4px 4px 0 var(--accent);
  padding: 0.55rem 1rem;
  cursor: pointer;
  z-index: 3;
}
.gyro-hint {
  position: absolute;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
  background: rgba(17, 17, 16, 0.65);
  padding: 0.3rem 0.7rem;
  white-space: nowrap;
  z-index: 3;
  pointer-events: none;
}

/* ---------- Exhibit 23: Mic-Reaktor ---------- */

.mic-stage {
  border: 1px solid rgba(244, 241, 232, 0.35);
  box-shadow: 8px 8px 0 var(--accent);
  background: #0a0a09;
  padding: clamp(2rem, 5vw, 3.5rem);
  display: grid;
  justify-items: center;
  gap: 1.6rem;
}
.mic-orb-wrap {
  position: relative;
  width: 240px;
  height: 240px;
  display: grid;
  place-items: center;
}
.mic-orb {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 2.2rem;
  letter-spacing: -0.02em;
  will-change: transform;
  transition: transform 0.08s linear;
}
.mic-orb-wrap.is-live .mic-orb { transition: none; }
.mic-bars {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.mic-bars i {
  position: absolute;
  left: calc(50% - 1.5px);
  top: 50%;
  width: 3px;
  height: 22px;
  background: rgba(244, 241, 232, 0.55);
  transform-origin: 50% 0; /* JS: rotate(a) translateY(86px) scaleY(s) */
  will-change: transform;
}
.mic-toggle.is-on {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--paper);
}
.mic-status {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(244, 241, 232, 0.55);
  margin: 0;
}

/* ---------- Exhibit 24: Synth-Grid ---------- */

.synth-stage {
  border-block: 1px solid var(--rule-ink);
  background: var(--paper-tint);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}
.synth-transport {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 1.4rem;
}
.synth-bpm {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.synth-grid {
  display: grid;
  grid-template-rows: repeat(5, 1fr);
  gap: 0.5rem;
  max-width: 720px;
  margin: 0 auto;
}
.synth-row {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.5rem;
}
.synth-cell {
  aspect-ratio: 1;
  border: 1px solid var(--rule-ink);
  background: var(--paper);
  cursor: pointer;
  padding: 0;
  transition: background 0.08s ease, transform 0.08s ease, border-color 0.08s ease;
}
.synth-cell:hover { border-color: var(--accent); }
.synth-cell.on {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 3px 3px 0 var(--ink);
}
.synth-cell.playing { transform: scale(0.88); }
.synth-cell.on.playing {
  background: var(--ink);
  transform: scale(1.08);
}
.synth-hint {
  text-align: center;
  margin-top: 1.2rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ---------- Exhibit 25: Konami-Chaos ---------- */

.konami-demo {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  padding-block: 1rem;
}
.konami-key {
  display: inline-grid;
  place-items: center;
  min-width: 44px;
  height: 44px;
  padding-inline: 0.6rem;
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--paper);
  background: #0d0d0c;
  border: 1px solid rgba(244, 241, 232, 0.4);
  border-bottom-width: 3px;
  cursor: pointer;
  user-select: none;
  transition: transform 0.1s ease, background 0.1s ease, border-color 0.1s ease;
}
.konami-key.lit {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(2px);
}

/* Chaos-Mode: 8 Sekunden Kontrollverlust, dann Selbstheilung */
.chaos-banner {
  position: fixed;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%);
  z-index: 450;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--accent);
  box-shadow: 5px 5px 0 var(--accent);
  padding: 0.7rem 1.2rem;
  white-space: nowrap;
}
.chaos-banner[hidden] { display: none; }
body.chaos main,
body.chaos .masthead {
  animation: chaos-hue 1.2s linear infinite;
}
@keyframes chaos-hue {
  from { filter: hue-rotate(0deg); }
  to { filter: hue-rotate(360deg); }
}
body.chaos .exhibit {
  transform: rotate(var(--chaos-tilt, 0deg));
  transition: transform 0.5s cubic-bezier(.22,.9,.24,1);
}
body.chaos .brand-logo { animation: chaos-spin 1.4s ease-in-out infinite; }
@keyframes chaos-spin {
  0%, 100% { transform: rotate(-4deg); }
  50% { transform: rotate(4deg) scale(1.06); }
}

/* ---------- Mobile: Etappe 2 ---------- */

@media (max-width: 720px) {
  .gyro-stage { height: clamp(300px, 78vw, 420px); }
  .synth-grid, .synth-row { gap: 0.35rem; }
  .konami-key { min-width: 36px; height: 36px; font-size: 0.85rem; }
}