:root {
  --black: #020000;
  --white: #ffffff;
  --gray-050: #f3f3f3;
  --gray-200: #c8c8cb;
  --gray-400: #8d8d93;
  --gray-600: #55555b;
  --gray-750: #2e2e32;
  --gray-850: #19191c;
  --gray-900: #0d0d0f;
  --line: rgba(255,255,255,.16);
  --line-strong: rgba(255,255,255,.34);
  --panel: rgba(13,13,15,.94);
  --ease: cubic-bezier(.2,.8,.2,1);
  --safe: clamp(24px, 3.2vw, 64px);
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; }
html { background: var(--black); }
body {
  margin: 0;
  overflow: hidden;
  color: var(--white);
  background: var(--black);
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, a { font: inherit; }
button { color: inherit; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--white); outline-offset: 4px; }
button:disabled { cursor: default; }
[hidden] { display: none !important; }

.ambient-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(110deg, transparent 2%, #000 45%, transparent 92%);
  animation: grid-drift 28s linear infinite alternate;
}

.app-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: 76px minmax(0,1fr) 76px;
  width: 100%;
  height: 100vh;
  padding: 0 var(--safe);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  min-height: 60px;
  color: var(--white);
  text-decoration: none;
}
.sbt-icon, .sbt-wordmark { display: block; flex: none; fill: currentColor; overflow: visible; }
.brand-lockup .sbt-icon { width: 46px; height: 30px; margin: 2px 4px; }
.brand-lockup .sbt-wordmark { width: 196px; height: 18px; }
.brand-safe-space { display: grid; width: 46px; height: 46px; place-items: center; margin: 2px 4px; }
.brand-symbol { width: 30px; height: 30px; fill: currentColor; }
.wordmark-wrap { display: grid; gap: 2px; }
.wordmark { font-size: 1.15rem; font-weight: 900; letter-spacing: .16em; line-height: 1; }
.wordmark-wrap small { font-size: .48rem; font-weight: 700; letter-spacing: .34em; }
.top-status { display: flex; align-items: center; gap: 10px; color: var(--gray-200); font-size: .64rem; font-weight: 700; letter-spacing: .18em; }
.top-status i { width: 1px; height: 14px; background: var(--line); }
.offline-mark { width: 8px; height: 8px; border: 1px solid var(--white); background: var(--white); animation: status-breathe 3.6s ease-in-out infinite; }

main { min-height: 0; overflow: hidden; }
.eyebrow { margin: 0; color: var(--gray-200); font-size: .68rem; font-weight: 800; letter-spacing: .22em; text-transform: uppercase; }

.intro {
  display: grid;
  grid-template-columns: minmax(600px, 1.06fr) minmax(520px, .94fr);
  grid-template-rows: minmax(0,1fr) 116px;
  gap: 18px 5vw;
  height: 100%;
  padding: 42px 0 24px;
}
.intro-copy { align-self: center; max-width: 900px; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: 20px 0 0; font-size: clamp(4.8rem, 7.4vw, 9rem); font-weight: 300; letter-spacing: -.075em; line-height: .78; text-transform: uppercase; }
h1 span { color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.78); font-weight: 700; }
.lead { margin: 30px 0 10px; font-size: clamp(1.25rem, 1.7vw, 2rem); font-weight: 650; letter-spacing: -.025em; }
.intro-text { max-width: 760px; margin: 0; color: var(--gray-200); font-size: clamp(.88rem, .95vw, 1.08rem); line-height: 1.55; }

.enter-action {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 30px;
  min-width: 254px;
  margin-top: 28px;
  padding: 12px 14px 12px 20px;
  overflow: visible;
  border: 1px solid var(--white);
  color: var(--black);
  background: var(--white);
  cursor: pointer;
  text-align: left;
  transition: transform .2s var(--ease), background .2s ease, color .2s ease;
}
.enter-action::before, .control-primary::before {
  position: absolute;
  inset: -7px;
  border: 1px solid rgba(255,255,255,.26);
  content: "";
  animation: enter-pulse 2.4s ease-out infinite;
}
.intro-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 28px; }
.intro-actions .enter-action { margin-top: 0; }
.game-cta { display: inline-flex; align-items: center; gap: 26px; min-height: 64px; padding: 10px 14px 10px 20px; border: 1px solid var(--line-strong); color: var(--white); background: rgba(255,255,255,.04); cursor: pointer; text-align: left; transition: border-color .2s ease, background .2s ease, transform .2s var(--ease); }
.game-cta:hover { border-color: var(--white); background: rgba(255,255,255,.09); transform: translateY(-2px); }
.game-cta-copy { display: grid; gap: 2px; }
.game-cta-copy small { color: var(--gray-200); font-size: .55rem; font-weight: 800; letter-spacing: .2em; }
.game-cta-copy strong { font-size: 1.15rem; letter-spacing: .12em; }
.enter-action:hover { transform: translateY(-2px); background: var(--gray-050); }
.enter-copy { display: grid; gap: 2px; }
.enter-copy small { font-size: .55rem; font-weight: 800; letter-spacing: .2em; }
.enter-copy strong { font-size: 1.15rem; letter-spacing: .12em; }
.enter-key { display: grid; width: 38px; height: 38px; margin-left: auto; place-items: center; border: 1px solid var(--black); font-size: 1.25rem; }

.attract-visual {
  position: relative;
  align-self: center;
  justify-self: end;
  width: min(100%, 610px);
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--line);
  background: radial-gradient(circle at center, rgba(255,255,255,.08), transparent 54%), var(--gray-900);
  isolation: isolate;
}
.attract-visual::before, .attract-visual::after { position: absolute; content: ""; pointer-events: none; }
.attract-visual::before { inset: 7%; border: 1px solid rgba(255,255,255,.06); }
.attract-visual::after { inset: 0; background: linear-gradient(135deg, transparent 48.7%, rgba(255,255,255,.09) 49%, rgba(255,255,255,.09) 49.3%, transparent 49.6%); }
.orbit { position: absolute; border: 1px solid rgba(255,255,255,.17); border-radius: 50%; transform-origin: center; }
.orbit::after { position: absolute; top: 50%; left: -4px; width: 8px; height: 8px; background: var(--white); content: ""; }
.orbit-a { inset: 12%; animation: orbit 26s linear infinite; }
.orbit-b { inset: 22%; border-style: dashed; animation: orbit 19s linear infinite reverse; }
.orbit-c { inset: 33%; animation: orbit 13s linear infinite; }
.scan-line { position: absolute; z-index: 2; top: 0; bottom: 0; left: 0; width: 1px; background: linear-gradient(transparent, var(--white), transparent); opacity: .58; animation: scan 7s var(--ease) infinite; }
.human-core { position: absolute; z-index: 3; inset: 38%; display: grid; place-content: center; border: 1px solid var(--white); background: var(--black); text-align: center; box-shadow: 0 0 0 12px rgba(255,255,255,.03); }
.human-core span { font-size: .56rem; letter-spacing: .26em; }
.human-core strong { font-size: 1.35rem; letter-spacing: .12em; }
.human-core small { position: absolute; top: calc(100% + 15px); left: 50%; width: 230px; transform: translateX(-50%); color: var(--gray-400); font-size: .48rem; letter-spacing: .12em; }
.signal { position: absolute; z-index: 4; display: flex; align-items: center; gap: 9px; padding: 7px 9px; border: 1px solid var(--line); color: var(--gray-200); background: rgba(2,0,0,.9); font-size: .51rem; font-weight: 750; letter-spacing: .12em; }
.signal span { color: var(--white); font-weight: 900; }
.signal-a { top: 17%; left: 5%; animation: signal-float 6s ease-in-out infinite; }
.signal-b { top: 44%; right: 4%; animation: signal-float 6s ease-in-out -2s infinite; }
.signal-c { right: 10%; bottom: 13%; animation: signal-float 6s ease-in-out -4s infinite; }
.idle-caption { position: absolute; bottom: 14px; left: 16px; z-index: 4; display: flex; align-items: center; gap: 8px; color: var(--gray-400); font-size: .48rem; letter-spacing: .15em; }
.idle-caption span { width: 20px; height: 1px; background: var(--white); animation: idle-line 2.8s ease-in-out infinite; }

.scenario-strip { grid-column: 1/-1; display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.scenario-card { position: relative; display: grid; grid-template-columns: 50px 1fr; grid-template-rows: auto auto; align-content: center; min-height: 96px; padding: 16px 20px; overflow: hidden; border: 1px solid var(--line); color: var(--white); background: rgba(255,255,255,.025); cursor: pointer; text-align: left; transition: border-color .2s ease, background .2s ease, transform .2s var(--ease); }
.scenario-card::after { position: absolute; right: 0; bottom: 0; width: 0; height: 2px; background: var(--white); content: ""; transition: width .35s var(--ease); }
.scenario-card:hover { border-color: var(--line-strong); background: rgba(255,255,255,.06); transform: translateY(-2px); }
.scenario-card:hover::after { width: 100%; }
.scenario-card > span { grid-row: 1/3; align-self: center; color: var(--gray-400); font-size: .75rem; font-weight: 800; letter-spacing: .15em; }
.scenario-card strong { font-size: 1rem; letter-spacing: .02em; }
.scenario-card small { margin-top: 5px; color: var(--gray-400); font-size: .65rem; letter-spacing: .08em; }

.demo { display: grid; grid-template-rows: 88px 52px minmax(0,1fr) 62px; gap: 12px; height: 100%; padding: 20px 0 18px; }
.demo-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.demo-title-wrap { min-width: 0; }
.demo-heading h2 { margin: 8px 0 0; font-size: clamp(2rem, 3.2vw, 3.75rem); font-weight: 350; letter-spacing: -.052em; line-height: .93; white-space: nowrap; }
.demo-heading h2:focus { outline: none; }
.scenario-switcher { display: flex; align-items: center; gap: 6px; padding: 5px; border: 1px solid var(--line); }
.scenario-switcher > span { margin: 0 8px; color: var(--gray-400); font-size: .55rem; font-weight: 800; letter-spacing: .16em; }
.scenario-switcher button { width: 34px; height: 34px; border: 1px solid transparent; color: var(--gray-400); background: transparent; cursor: pointer; font-size: .72rem; font-weight: 800; }
.scenario-switcher button.active { border-color: var(--white); color: var(--black); background: var(--white); }
.phase-nav { display: grid; grid-template-columns: repeat(5,1fr); margin: 0; padding: 0; border: 1px solid var(--line); list-style: none; }
.phase-nav li { position: relative; display: flex; align-items: center; gap: 10px; padding: 0 14px; overflow: hidden; border-right: 1px solid var(--line); color: var(--gray-600); background: rgba(255,255,255,.018); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; }
.phase-nav li:last-child { border-right: 0; }
.phase-nav li::after { position: absolute; right: 100%; bottom: 0; left: 0; height: 2px; background: var(--white); content: ""; transition: right .45s var(--ease); }
.phase-nav li span { font-weight: 900; }
.phase-nav li b { font-weight: 700; }
.phase-nav li.complete { color: var(--gray-200); }
.phase-nav li.complete::after, .phase-nav li.active::after { right: 0; }
.phase-nav li.active { color: var(--black); background: var(--white); }
.phase-nav li.active::after { background: var(--black); }

.stage-grid { display: grid; grid-template-columns: minmax(520px,.93fr) minmax(600px,1.07fr); min-height: 0; overflow: hidden; border: 1px solid var(--line-strong); background: var(--panel); box-shadow: 0 24px 70px rgba(0,0,0,.36); }
.stage-grid.transitioning .content-panel > *, .stage-grid.transitioning .visualization > * { animation: stage-in .55s var(--ease) both; }
.content-panel { display: flex; min-width: 0; min-height: 0; flex-direction: column; padding: clamp(22px,2.1vw,40px); border-right: 1px solid var(--line); }
.panel-meta { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.risk-badge { padding: 7px 9px; border: 1px solid var(--line-strong); color: var(--gray-200); font-size: .54rem; font-weight: 800; letter-spacing: .12em; white-space: nowrap; }
.risk-badge.alert { color: var(--white); background: repeating-linear-gradient(135deg, rgba(255,255,255,.1) 0 4px, transparent 4px 8px); }
.risk-badge.gated { color: var(--black); background: var(--white); }
.content-panel h3 { max-width: 760px; margin: clamp(18px,2vh,27px) 0 12px; font-size: clamp(1.65rem,2.15vw,2.75rem); font-weight: 450; letter-spacing: -.045em; line-height: 1.04; }
.phase-summary { max-width: 760px; margin: 0; color: var(--gray-200); font-size: clamp(.82rem,.88vw,1rem); line-height: 1.5; }
.detail-list { display: grid; gap: 8px; margin-top: clamp(18px,2.4vh,28px); }
.detail-item { display: grid; grid-template-columns: 34px 120px 1fr; gap: 12px; align-items: center; min-height: 48px; padding: 8px 12px; border-top: 1px solid var(--line); background: linear-gradient(90deg, rgba(255,255,255,.035), transparent); }
.detail-item:last-child { border-bottom: 1px solid var(--line); }
.detail-index { color: var(--gray-600); font-size: .62rem; font-weight: 900; letter-spacing: .1em; }
.detail-item strong { font-size: .7rem; letter-spacing: .07em; text-transform: uppercase; }
.detail-item span:last-child { color: var(--gray-200); font-size: .72rem; line-height: 1.35; }

.visual-panel { position: relative; min-width: 0; min-height: 0; overflow: hidden; background: var(--black); }
.visual-panel::before { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 36px 36px; content: ""; mask-image: radial-gradient(circle at center,#000,transparent 80%); }
.visual-header { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; height: 42px; padding: 0 16px; border-bottom: 1px solid var(--line); color: var(--gray-400); font-size: .54rem; font-weight: 800; letter-spacing: .17em; }
.visual-header strong { color: var(--white); }
.visualization { position: relative; z-index: 1; display: grid; height: calc(100% - 42px); min-height: 0; padding: clamp(18px,2vw,34px); place-items: center; }

.metric-board { display: grid; width: min(100%,650px); grid-template-columns: repeat(3,1fr); gap: 10px; }
.metric-card { position: relative; min-height: 210px; padding: 22px 17px; overflow: hidden; border: 1px solid var(--line); background: rgba(13,13,15,.92); }
.metric-card::before { position: absolute; top: 0; right: 0; width: 36px; height: 36px; border-top: 1px solid var(--white); border-right: 1px solid var(--white); content: ""; }
.metric-card span { display: block; color: var(--gray-400); font-size: .57rem; font-weight: 750; letter-spacing: .13em; text-transform: uppercase; }
.metric-card strong { display: block; margin-top: 35px; font-size: clamp(1.4rem,2.2vw,2.6rem); font-weight: 450; letter-spacing: -.05em; }
.metric-card small { display: block; margin-top: 10px; color: var(--gray-200); font-size: .64rem; line-height: 1.4; }

.risk-board { width: min(100%,640px); }
.ai-core { position: relative; display: grid; width: 190px; height: 190px; margin: 0 auto 34px; place-items: center; border: 1px solid var(--white); background: radial-gradient(circle, rgba(255,255,255,.14), transparent 64%); }
.ai-core::before, .ai-core::after { position: absolute; content: ""; }
.ai-core::before { inset: -16px; border: 1px dashed var(--line-strong); animation: orbit 14s linear infinite; }
.ai-core::after { inset: 18px; border: 1px solid var(--line); animation: risk-breathe 2.2s ease-in-out infinite; }
.ai-core strong { font-size: 3.2rem; font-weight: 300; letter-spacing: -.08em; }
.ai-core span { position: absolute; bottom: 15px; color: var(--gray-400); font-size: .52rem; letter-spacing: .16em; }
.risk-readout { padding: 18px; border: 1px solid var(--line-strong); background: repeating-linear-gradient(135deg, rgba(255,255,255,.035) 0 6px, transparent 6px 12px); }
.risk-row, .outcome-row { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 10px; color: var(--gray-200); font-size: .66rem; letter-spacing: .09em; text-transform: uppercase; }
.risk-row strong { color: var(--white); }
.meter, .outcome-track { height: 9px; overflow: hidden; border: 1px solid var(--line); background: var(--gray-900); }
.meter span { display: block; width: var(--risk-level); height: 100%; background: repeating-linear-gradient(90deg,var(--white) 0 8px,var(--gray-400) 8px 12px); animation: meter-rise 1.3s var(--ease) both; transform-origin: left; }
.risk-ticks { display: flex; justify-content: space-between; margin-top: 7px; color: var(--gray-600); font-size: .48rem; letter-spacing: .1em; }

.protection-stack { display: grid; width: min(100%,660px); gap: 9px; }
.protection-layer { display: grid; grid-template-columns: 48px 140px 1fr; gap: 12px; align-items: center; min-height: 68px; padding: 10px 14px; border: 1px solid var(--line); background: linear-gradient(90deg, rgba(255,255,255,.10), rgba(255,255,255,.025)); opacity: 0; animation: layer-build .52s var(--ease) forwards; }
.protection-layer:nth-child(2) { animation-delay: .11s; }
.protection-layer:nth-child(3) { animation-delay: .22s; }
.protection-layer:nth-child(4) { animation-delay: .33s; }
.protection-layer:nth-child(5) { animation-delay: .44s; }
.layer-index { display: grid; width: 38px; height: 38px; place-items: center; border: 1px solid var(--white); font-size: .58rem; font-weight: 900; }
.protection-layer strong { font-size: .72rem; letter-spacing: .05em; text-transform: uppercase; }
.protection-layer small { color: var(--gray-200); font-size: .63rem; line-height: 1.35; }

.human-gate { width: min(100%,660px); text-align: center; }
.gate-flow { display: grid; grid-template-columns: 1fr 100px 1fr; align-items: center; gap: 12px; }
.gate-node { position: relative; display: grid; min-height: 190px; place-items: center; border: 1px solid var(--line-strong); background: rgba(13,13,15,.92); }
.gate-node.human { border-color: var(--white); box-shadow: 0 0 0 0 rgba(255,255,255,.25); animation: gate-pulse 2.4s ease-out infinite; }
.gate-node span { display: block; color: var(--gray-400); font-size: .55rem; letter-spacing: .18em; }
.gate-node strong { display: block; margin-top: 7px; font-size: 1.25rem; letter-spacing: .06em; }
.gate-link { position: relative; height: 1px; background: var(--white); }
.gate-link::after { position: absolute; top: -4px; right: -1px; width: 8px; height: 8px; border-top: 1px solid var(--white); border-right: 1px solid var(--white); content: ""; transform: rotate(45deg); }
.gate-link span { position: absolute; top: -28px; left: 50%; width: 110px; transform: translateX(-50%); color: var(--gray-400); font-size: .48rem; letter-spacing: .1em; }
.gate-state { display: inline-block; margin-top: 30px; padding: 9px 14px; border: 1px solid var(--white); font-size: .58rem; font-weight: 850; letter-spacing: .13em; }
.gate-state.done { color: var(--black); background: var(--white); animation: state-confirm .5s var(--ease) both; }

.decision-panel { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); }
.decision-panel > p { margin: 0 0 10px; font-size: .72rem; font-weight: 700; }
.decision-actions { display: flex; gap: 8px; }
.decision-actions button { min-height: 38px; padding: 8px 12px; border: 1px solid var(--white); cursor: pointer; font-size: .67rem; font-weight: 750; }
.approve-button { color: var(--black); background: var(--white); }
.stop-button { background: transparent; }
.decision-actions button.selected { box-shadow: 0 0 0 3px rgba(255,255,255,.2); }
.decision-panel small { display: flex; align-items: center; gap: 8px; margin-top: 9px; color: var(--gray-400); font-size: .6rem; }
kbd { display: inline-grid; min-width: 26px; min-height: 24px; padding: 3px 7px; place-items: center; border: 1px solid var(--line-strong); color: var(--white); background: rgba(255,255,255,.06); font-family: Consolas,"Courier New",monospace; font-size: .58rem; font-weight: 800; box-shadow: inset 0 -2px 0 rgba(255,255,255,.08); }

.outcome-board { width: min(100%,640px); padding: 28px; border: 1px solid var(--line-strong); background: rgba(13,13,15,.92); }
.outcome-seal { display: grid; width: 92px; height: 92px; margin: 0 auto 28px; place-items: center; border: 2px solid var(--white); font-size: 2rem; animation: seal-in .7s var(--ease) both; }
.outcome-seal.stop { background: repeating-linear-gradient(135deg,rgba(255,255,255,.12) 0 4px,transparent 4px 8px); }
.outcome-list { display: grid; gap: 14px; }
.outcome-row { margin-bottom: 6px; }
.outcome-row strong { color: var(--white); }
.outcome-track span { display: block; width: var(--bar); height: 100%; background: linear-gradient(90deg,var(--gray-600),var(--white)); animation: meter-rise 1.1s .18s var(--ease) both; transform-origin: left; }

.management-line { display: grid; grid-template-columns: 190px 1fr auto; gap: 20px; align-items: center; padding: 10px 15px; border: 1px solid var(--line); background: rgba(255,255,255,.025); }
.management-line > span { color: var(--white); font-size: .57rem; font-weight: 850; letter-spacing: .15em; }
.management-line p { margin: 0; color: var(--gray-200); font-size: .68rem; line-height: 1.4; }
.offline-mini { display: flex; align-items: center; gap: 7px; color: var(--gray-400); font-size: .52rem; font-weight: 800; letter-spacing: .14em; }
.offline-mini span { color: var(--white); font-size: 1rem; }

.controlbar { display: flex; align-items: center; gap: 12px; border-top: 1px solid var(--line); }
.control-primary { position: relative; display: flex; align-items: center; gap: 10px; min-width: 250px; padding: 7px 12px; color: var(--white); background: rgba(255,255,255,.07); font-size: .62rem; }
.control-primary::before { inset: -2px; animation-duration: 3s; }
.control-cluster { display: flex; align-items: center; gap: 5px; }
.control-button { display: inline-flex; align-items: center; gap: 7px; min-height: 38px; padding: 5px 8px; border: 1px solid transparent; color: var(--gray-200); background: transparent; cursor: pointer; font-size: .58rem; }
.control-button:hover, .control-button[aria-pressed="true"] { border-color: var(--line-strong); color: var(--white); background: rgba(255,255,255,.07); }
.control-button[aria-pressed="true"] kbd { color: var(--black); background: var(--white); }
.number-keys { display: flex; align-items: center; gap: 4px; padding-left: 5px; color: var(--gray-400); font-size: .54rem; }
.number-keys kbd { min-width: 22px; min-height: 22px; padding: 2px 5px; }
.number-keys > span { margin-left: 3px; }
.kiosk-status { display: grid; grid-template-columns: auto auto; grid-template-rows: auto auto; gap: 5px 12px; align-items: center; width: 315px; margin-left: auto; color: var(--gray-400); font-size: .49rem; font-weight: 800; letter-spacing: .11em; }
.kiosk-status > span:nth-child(2) { text-align: right; }
.kiosk-status strong { color: var(--gray-200); font-size: .5rem; text-align: right; }
.progress-track { height: 4px; overflow: hidden; background: rgba(255,255,255,.1); }
.progress-track > span { display: block; width: 0; height: 100%; background: var(--white); transition: width .55s var(--ease); }
.mode-toast { position: fixed; top: 92px; right: var(--safe); z-index: 50; padding: 10px 13px; border: 1px solid var(--line-strong); color: var(--white); background: rgba(2,0,0,.94); font-size: .58rem; font-weight: 800; letter-spacing: .13em; opacity: 0; transform: translateY(-8px); pointer-events: none; transition: opacity .2s ease, transform .2s var(--ease); }
.mode-toast.show { opacity: 1; transform: translateY(0); }

body.is-paused *, body.is-paused *::before, body.is-paused *::after { animation-play-state: paused !important; }
body.is-paused .scan-line { opacity: .18; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }

@keyframes orbit { to { transform: rotate(360deg); } }
@keyframes scan { 0%,10% { left: 0; opacity: 0; } 20% { opacity: .65; } 80% { opacity: .65; } 90%,100% { left: 100%; opacity: 0; } }
@keyframes signal-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
@keyframes grid-drift { to { background-position: 28px 18px; } }
@keyframes status-breathe { 0%,100% { opacity: .55; } 50% { opacity: 1; } }
@keyframes idle-line { 0%,100% { width: 20px; opacity: .5; } 50% { width: 52px; opacity: 1; } }
@keyframes enter-pulse { 0% { opacity: .65; transform: scale(1); } 75%,100% { opacity: 0; transform: scale(1.08,1.28); } }
@keyframes stage-in { from { opacity: 0; transform: translateY(13px); } to { opacity: 1; transform: translateY(0); } }
@keyframes meter-rise { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes risk-breathe { 0%,100% { opacity: .32; transform: scale(.9); } 50% { opacity: 1; transform: scale(1); } }
@keyframes layer-build { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes gate-pulse { 0% { box-shadow: 0 0 0 0 rgba(255,255,255,.25); } 80%,100% { box-shadow: 0 0 0 22px rgba(255,255,255,0); } }
@keyframes state-confirm { from { opacity: 0; transform: scale(.92); } to { opacity: 1; transform: scale(1); } }
@keyframes seal-in { from { opacity: 0; transform: rotate(-8deg) scale(.72); } to { opacity: 1; transform: rotate(0) scale(1); } }

@media (max-width: 1500px), (max-height: 860px) {
  .app-shell { grid-template-rows: 66px minmax(0,1fr) 68px; }
  .intro { padding-top: 25px; grid-template-rows: minmax(0,1fr) 94px; }
  .attract-visual { width: min(100%,520px); }
  .scenario-card { min-height: 78px; }
  .demo { grid-template-rows: 76px 46px minmax(0,1fr) 54px; padding-top: 12px; gap: 8px; }
  .metric-card { min-height: 170px; }
  .protection-layer { min-height: 58px; }
  .gate-node { min-height: 160px; }
  .control-primary { min-width: 210px; }
  .control-button span, .number-keys > span { display: none; }
}

/* ---------- Web-Modus & gemeinsame Ergänzungen ---------- */
.sbt-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
html[data-mode="stand"] .web-only { display: none !important; }
html[data-mode="web"] .stand-only { display: none !important; }
.touch-label { display: none; }
html.touch .key-label { display: none; }
html.touch .touch-label { display: inline; }
html.touch kbd, html.touch .number-keys, html.touch .control-primary { display: none !important; }
html.no-fullscreen #fullscreen-button { display: none; }
.web-nav { display: flex; align-items: center; gap: 22px; }
.web-status { display: flex; align-items: center; gap: 10px; color: var(--gray-400); font-size: .62rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.back-link { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 8px 14px; border: 1px solid var(--line-strong); color: var(--white); font-size: .7rem; font-weight: 800; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; transition: background .2s ease, border-color .2s ease; }
.back-link:hover { border-color: var(--white); background: rgba(255,255,255,.08); }
.intro-howto { max-width: 760px; margin: 16px 0 0; padding: 12px 14px; border-left: 2px solid var(--white); color: var(--gray-050); background: rgba(255,255,255,.04); font-size: clamp(.86rem, .92vw, 1rem); line-height: 1.5; }
.phase-guide { display: flex; gap: 10px; align-items: flex-start; margin: 14px 0 0; padding: 10px 12px; border: 1px solid var(--line); color: var(--white); background: rgba(255,255,255,.05); font-size: .78rem; line-height: 1.45; }
.phase-guide::before { flex: none; display: grid; width: 20px; height: 20px; place-items: center; border: 1px solid var(--white); content: "i"; font-size: .7rem; font-weight: 900; }
.next-button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 42px; padding: 8px 18px; border: 1px solid var(--white); color: var(--black); background: var(--white); cursor: pointer; font-size: .72rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; touch-action: manipulation; transition: transform .2s var(--ease), background .2s ease; }
.next-button:hover:not(:disabled) { transform: translateX(2px); background: var(--gray-050); }
.next-button:disabled { border-color: var(--line-strong); color: var(--gray-400); background: transparent; cursor: default; }
.legal-links { display: flex; gap: 14px; margin-left: auto; }
.legal-links a { color: var(--gray-400); font-size: .6rem; font-weight: 700; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; }
.legal-links a:hover { color: var(--white); }
.legal-links + .kiosk-status { margin-left: 18px; }
button, a { touch-action: manipulation; }

/* ---------- Mobil & schmale Fenster (Hoch- und Querformat) ---------- */
@media (max-width: 1100px) {
  body { overflow-x: hidden; overflow-y: auto; }
  .app-shell { height: auto; min-height: 100vh; min-height: 100dvh; grid-template-rows: auto auto auto; padding: 0 16px; }
  main { overflow: visible; }
  .topbar { flex-wrap: wrap; gap: 10px; min-height: 64px; padding: 8px 0; }
  .brand-lockup { gap: 10px; min-height: 44px; }
  .brand-lockup .sbt-icon { width: 34px; height: 22px; }
  .brand-lockup .sbt-wordmark { width: 140px; height: 13px; }
  .top-status { display: none; }
  .web-status { display: none; }
  .back-link { min-height: 40px; padding: 8px 12px; font-size: .64rem; }

  .intro { display: flex; flex-direction: column; gap: 22px; height: auto; padding: 22px 0 24px; }
  .intro-copy { max-width: none; }
  h1 { font-size: clamp(2.9rem, 14vw, 5.4rem); }
  .lead { margin-top: 20px; font-size: 1.2rem; }
  .intro-text { font-size: .95rem; }
  .intro-howto { font-size: .92rem; }
  .intro-actions { flex-direction: column; align-items: stretch; gap: 12px; }
  .enter-action, .game-cta { width: 100%; min-width: 0; min-height: 60px; }
  .enter-action::before { inset: -5px; }
  .attract-visual { position: relative; right: auto; align-self: center; justify-self: auto; width: min(100%, 420px); opacity: 1; }
  .signal { font-size: .46rem; padding: 5px 7px; }
  .human-core small { width: 170px; }
  .scenario-strip { grid-template-columns: 1fr; gap: 10px; }
  .scenario-card { min-height: 70px; }

  .demo { display: flex; flex-direction: column; gap: 12px; height: auto; padding: 16px 0 18px; scroll-margin-top: 8px; }
  .demo-heading { flex-wrap: wrap; align-items: flex-start; gap: 12px; }
  .demo-heading h2 { font-size: clamp(1.5rem, 6.4vw, 2.4rem); white-space: normal; line-height: 1.02; }
  .scenario-switcher > span { display: none; }
  .scenario-switcher button { width: 44px; height: 44px; }
  .phase-nav { min-height: 44px; }
  .phase-nav li { justify-content: center; padding: 0 4px; }
  .phase-nav li b { display: none; }
  .stage-grid { grid-template-columns: 1fr; overflow: visible; }
  .content-panel { padding: 18px 16px; border-right: 0; border-bottom: 1px solid var(--line); }
  .panel-meta { flex-wrap: wrap; gap: 8px; }
  .content-panel h3 { margin-top: 14px; font-size: clamp(1.35rem, 5.6vw, 1.9rem); }
  .phase-summary { font-size: .92rem; }
  .phase-guide { font-size: .86rem; }
  .detail-item { grid-template-columns: 28px 1fr; gap: 4px 10px; padding: 10px 8px; }
  .detail-item strong { font-size: .72rem; }
  .detail-item span:last-child { grid-column: 2; font-size: .86rem; }
  .decision-panel > p { font-size: .82rem; }
  .decision-actions { flex-direction: column; }
  .decision-actions button { min-height: 50px; font-size: .82rem; }
  .decision-panel small { font-size: .74rem; }

  .visual-panel { min-height: 0; }
  .visualization { height: auto; padding: 18px 14px 22px; }
  .metric-board { grid-template-columns: 1fr; gap: 8px; }
  .metric-card { min-height: 0; padding: 14px; }
  .metric-card strong { margin-top: 10px; font-size: 1.8rem; }
  .metric-card small { font-size: .78rem; }
  .ai-core { width: 130px; height: 130px; margin-bottom: 24px; }
  .ai-core strong { font-size: 2.3rem; }
  .risk-row, .outcome-row { font-size: .7rem; }
  .protection-layer { grid-template-columns: 40px 1fr; gap: 4px 10px; min-height: 0; padding: 10px; }
  .protection-layer small { grid-column: 2; font-size: .78rem; }
  .layer-index { grid-row: span 2; width: 34px; height: 34px; }
  .gate-flow { grid-template-columns: 1fr 34px 1fr; gap: 8px; }
  .gate-node { min-height: 110px; }
  .gate-node strong { font-size: 1rem; }
  .gate-link span { display: none; }
  .gate-state { font-size: .64rem; line-height: 1.4; }
  .outcome-board { padding: 18px; }
  .outcome-seal { width: 70px; height: 70px; margin-bottom: 18px; }

  .management-line { grid-template-columns: 1fr; gap: 8px; padding: 12px; }
  .management-line p { font-size: .84rem; }
  .next-button { width: 100%; min-height: 54px; font-size: .82rem; }
  .offline-mini { display: none; }

  .controlbar { flex-wrap: wrap; gap: 8px; padding: 12px 0 18px; }
  .control-cluster { flex-wrap: wrap; }
  .control-button { min-height: 44px; }
  .control-button span { display: inline; }
  .legal-links { width: 100%; margin-left: 0; order: 3; }
  .kiosk-status { width: 100%; margin-left: 0 !important; }
  .mode-toast { top: 12px; right: 16px; left: 16px; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .scan-line { display: none; }
}