:root {
  --bg: #041018;
  --bg-soft: rgba(10, 28, 39, 0.78);
  --panel: rgba(11, 26, 38, 0.76);
  --panel-strong: rgba(15, 35, 49, 0.92);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #eff7f5;
  --muted: #96acb0;
  --accent-coral: #ff8e68;
  --accent-cyan: #6bd1ff;
  --accent-lime: #b7f36b;
  --accent-gold: #ffd47b;
  --shadow: 0 28px 120px rgba(0, 0, 0, 0.32);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --transition: 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(107, 209, 255, 0.18), transparent 26%),
    radial-gradient(circle at bottom right, rgba(255, 142, 104, 0.14), transparent 34%),
    linear-gradient(145deg, #07131d 0%, #041018 54%, #0b1823 100%);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 34%, transparent 88%);
  pointer-events: none;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  position: relative;
  height: 100vh;
  padding: 28px 32px 24px;
}

.ambient {
  position: fixed;
  border-radius: 50%;
  filter: blur(42px);
  opacity: 0.35;
  pointer-events: none;
}

.ambient-one {
  top: 8%;
  left: 8%;
  width: 240px;
  height: 240px;
  background: rgba(107, 209, 255, 0.22);
  animation: drift 14s ease-in-out infinite;
}

.ambient-two {
  right: 12%;
  top: 22%;
  width: 320px;
  height: 320px;
  background: rgba(255, 142, 104, 0.16);
  animation: drift 18s ease-in-out infinite reverse;
}

.ambient-three {
  bottom: 6%;
  left: 40%;
  width: 280px;
  height: 280px;
  background: rgba(183, 243, 107, 0.13);
  animation: drift 16s ease-in-out infinite;
}

.deck-hud,
.deck-controls {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.deck-hud {
  gap: 24px;
  margin-bottom: 22px;
}

.hud-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.eyebrow {
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.hud-brand strong,
.hud-progress span,
.slide-number,
.metric-card strong,
.story-metric strong,
.legend-chip strong,
.compare-row strong {
  font-weight: 700;
}

.hud-progress {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: min(320px, 36vw);
}

.progress-track {
  position: relative;
  flex: 1;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.progress-fill {
  height: 100%;
  width: 10%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-coral), var(--accent-cyan));
  transition: width var(--transition);
}

.deck {
  position: relative;
  z-index: 2;
  height: calc(100vh - 164px);
  overflow: hidden;
}

.slides-track {
  display: flex;
  height: 100%;
  transition: transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.slide {
  position: relative;
  flex: 0 0 100%;
  min-width: 100%;
  height: 100%;
  padding: 18px 4px 78px;
}

.slide-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
  gap: 28px;
  height: 100%;
}

.hero-layout {
  grid-template-columns: minmax(0, 0.94fr) minmax(420px, 1.06fr);
}

.final-layout {
  grid-template-columns: minmax(0, 0.94fr) minmax(380px, 1.06fr);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
  justify-content: flex-start;
  min-width: 0;
}

.stack.compact {
  gap: 14px;
}

.hero-layout .stack,
.final-layout .stack {
  justify-content: center;
}

.panel {
  position: relative;
  padding: 28px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 34%),
    var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  overflow: hidden;
}

.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 28%, transparent 72%, rgba(255, 255, 255, 0.05));
  pointer-events: none;
}

.slide-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border-radius: 22px;
  font-size: 1.35rem;
  color: var(--bg);
  background: linear-gradient(135deg, var(--accent-gold), #fff0b6);
  box-shadow: 0 16px 46px rgba(255, 212, 123, 0.2);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 0.96;
  letter-spacing: -0.04em;
}

h1,
h2 {
  font-family: "Fraunces", Georgia, serif;
}

h1 {
  font-size: clamp(3.4rem, 7vw, 6.4rem);
}

h2 {
  font-size: clamp(2.2rem, 4vw, 4rem);
  max-width: 13.5ch;
}

h3 {
  font-size: clamp(1.4rem, 2vw, 2rem);
}

.lead {
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(239, 247, 245, 0.82);
}

.intro-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chip-row,
.cta-row,
.mode-switch,
.persona-switch,
.scenario-switch,
.dot-nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.chip {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(239, 247, 245, 0.78);
}

.button,
.mode-pill,
.persona-pill,
.scenario-pill,
.nav-button {
  border: none;
  transition:
    transform var(--transition),
    background var(--transition),
    opacity var(--transition),
    border-color var(--transition);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 18px;
}

.button:hover,
.mode-pill:hover,
.persona-pill:hover,
.scenario-pill:hover,
.nav-button:hover {
  transform: translateY(-2px);
}

button:disabled {
  opacity: 0.38;
  cursor: default;
  transform: none;
}

.button-primary {
  color: var(--bg);
  background: linear-gradient(135deg, var(--accent-coral), #ffc19b);
}

.button-secondary,
.mode-pill,
.persona-pill,
.scenario-pill,
.nav-button {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
}

.mode-pill,
.persona-pill,
.scenario-pill {
  min-height: 46px;
  padding: 0 16px;
  border-radius: 999px;
}

.mode-pill.is-selected,
.persona-pill.is-selected,
.scenario-pill.is-selected {
  color: var(--bg);
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent-cyan), #c2f6ff);
}

.spotlight-card {
  display: flex;
  align-items: center;
}

.spotlight-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(0, 0.86fr);
  gap: 24px;
  width: 100%;
  align-items: center;
}

.spotlight-city {
  position: relative;
  min-height: 420px;
  border-radius: 28px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 50%, rgba(183, 243, 107, 0.18), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--line);
}

.city-ring,
.city-core,
.city-spark {
  position: absolute;
}

.city-ring {
  inset: 18%;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.city-ring-a {
  animation: pulse 6s ease-in-out infinite;
}

.city-ring-b {
  inset: 28%;
  border-color: rgba(107, 209, 255, 0.22);
  animation: pulse 6s ease-in-out infinite 1s;
}

.city-core {
  inset: 35%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 24px;
  background: linear-gradient(160deg, rgba(11, 26, 38, 0.72), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 0 44px rgba(107, 209, 255, 0.06);
  text-align: center;
}

.city-core span {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
}

.city-core strong {
  margin-top: 8px;
  max-width: 7ch;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1;
}

.city-spark {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-coral);
  box-shadow: 0 0 22px rgba(255, 142, 104, 0.55);
}

.spark-a {
  top: 20%;
  left: 22%;
}

.spark-b {
  right: 18%;
  top: 42%;
  background: var(--accent-cyan);
  box-shadow: 0 0 22px rgba(107, 209, 255, 0.55);
}

.spark-c {
  left: 50%;
  bottom: 18%;
  background: var(--accent-lime);
  box-shadow: 0 0 22px rgba(183, 243, 107, 0.55);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.metric-card,
.summary-card,
.story-card,
.closing-note {
  position: relative;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
}

.metric-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.metric-card span,
.story-metric span {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.metric-card strong {
  font-size: 1.16rem;
  line-height: 1.3;
}

.control-list,
.toggle-list {
  display: grid;
  gap: 14px;
}

.embedded-controls {
  margin-top: 18px;
}

.mobility-controls {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.mobility-controls .range-card {
  padding: 14px;
  border-radius: 18px;
}

.control-list.two-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.range-card,
.toggle-card {
  display: grid;
  gap: 10px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.range-card {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px 16px;
}

.range-card input[type="range"] {
  grid-column: 1 / -1;
}

.range-card strong {
  justify-self: end;
}

.range-card span,
.toggle-card span {
  color: rgba(239, 247, 245, 0.82);
}

.range-card strong,
.toggle-card strong {
  font-size: 1.05rem;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent-cyan);
}

.toggle-card {
  grid-template-columns: auto 1fr;
  align-items: center;
}

input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--accent-lime);
}

.story-panel,
.story-stage,
.share-stack,
.persona-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.story-label {
  display: inline-flex;
  width: fit-content;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--bg);
  background: linear-gradient(135deg, var(--accent-gold), #fff3c7);
  font-size: 0.84rem;
}

.story-card p,
.panel-note,
.closing-note p,
.summary-card p,
.detail-item p {
  margin: 0;
  line-height: 1.65;
  color: rgba(239, 247, 245, 0.78);
}

.story-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.story-metric {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.story-bars,
.bar-group,
.scenario-bars {
  display: grid;
  gap: 14px;
}

.story-bar,
.metric-bar,
.compare-row {
  display: grid;
  gap: 10px;
}

.bar-track,
.compare-track {
  position: relative;
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.07);
}

.bar-fill,
.compare-fill,
.compare-base {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  border-radius: inherit;
  transition: width var(--transition);
}

.bar-fill {
  width: 0;
  background: linear-gradient(90deg, var(--accent-coral), #ffbe9d);
}

.compare-base {
  background: rgba(255, 255, 255, 0.14);
}

.compare-fill {
  width: 0;
  opacity: 0.9;
}

.accent-coral {
  background: linear-gradient(90deg, var(--accent-coral), #ffbe9d);
}

.accent-cyan {
  background: linear-gradient(90deg, var(--accent-cyan), #d4f6ff);
}

.accent-lime {
  background: linear-gradient(90deg, var(--accent-lime), #ebffc8);
}

.accent-gold {
  background: linear-gradient(90deg, var(--accent-gold), #fff2c8);
}

.system-orb {
  display: grid;
  place-items: center;
  gap: 6px;
  min-height: 230px;
  margin-bottom: 22px;
  border-radius: 30px;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.1), transparent 42%),
    radial-gradient(circle at 50% 50%, rgba(107, 209, 255, 0.16), transparent 62%);
  border: 1px solid var(--line);
}

.system-orb span {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
}

.system-orb strong {
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(3.2rem, 5vw, 4.8rem);
  line-height: 1;
}

.stacked-bar {
  display: flex;
  height: 32px;
  overflow: hidden;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
}

.segment {
  transition: width var(--transition);
}

.segment-car {
  background: linear-gradient(90deg, #ff8e68, #ffb38d);
}

.segment-bus {
  background: linear-gradient(90deg, #ffd47b, #ffecbf);
}

.segment-bike {
  background: linear-gradient(90deg, #b7f36b, #e7ffc4);
}

.segment-rail {
  background: linear-gradient(90deg, #6bd1ff, #d0f4ff);
}

.legend-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.legend-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.legend-dot {
  display: inline-flex;
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.district-model {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 18px;
  min-height: 250px;
  margin-bottom: 22px;
  padding: 24px;
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 42%),
    rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  overflow: hidden;
}

.district-model::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 22%;
  height: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.building {
  position: relative;
  width: 18%;
  min-height: 84px;
  border-radius: 20px 20px 12px 12px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent 18%),
    linear-gradient(180deg, rgba(107, 209, 255, 0.24), rgba(11, 26, 38, 0.88));
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform var(--transition), height var(--transition);
}

.building::after {
  content: "";
  position: absolute;
  inset: 14% 18%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 14px 14px;
}

.building-a {
  height: 42%;
}

.building-b {
  height: 68%;
}

.building-c {
  height: 56%;
}

.green-band {
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: 18%;
  height: 12%;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(183, 243, 107, 0.2), rgba(183, 243, 107, 0.62));
  transition: height var(--transition), opacity var(--transition);
}

.load-chart {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
  min-height: 240px;
  align-items: end;
  margin-bottom: 22px;
  padding: 20px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.load-column {
  position: relative;
  min-height: 28px;
  border-radius: 18px 18px 8px 8px;
  background: linear-gradient(180deg, rgba(255, 212, 123, 0.95), rgba(255, 142, 104, 0.28));
  transition: height var(--transition), opacity var(--transition);
}

.load-column::after {
  content: "";
  position: absolute;
  inset: auto 18% 12%;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
}

.compact-toggles {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.flood-stage {
  position: relative;
  min-height: 260px;
  margin-bottom: 22px;
  padding: 24px;
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 26%),
    rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  overflow: hidden;
}

.flood-buildings {
  position: absolute;
  inset: auto 10% 16% 10%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 18px;
  z-index: 2;
}

.flood-buildings span {
  width: 18%;
  min-width: 72px;
  border-radius: 20px 20px 10px 10px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent 18%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(10, 28, 39, 0.84));
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.flood-buildings span:nth-child(1) {
  height: 126px;
}

.flood-buildings span:nth-child(2) {
  height: 172px;
}

.flood-buildings span:nth-child(3) {
  height: 144px;
}

.water-layer {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 34%;
  background:
    linear-gradient(180deg, rgba(107, 209, 255, 0.14), rgba(107, 209, 255, 0.48)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12), transparent 36%, rgba(255, 255, 255, 0.1));
  transition: height var(--transition), opacity var(--transition);
}

.persona-quote {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.persona-quote span {
  width: fit-content;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--bg);
  background: linear-gradient(135deg, var(--accent-lime), #efffcf);
  font-size: 0.84rem;
}

.detail-list {
  display: grid;
  gap: 14px;
}

.detail-item {
  padding: 16px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.detail-item strong {
  display: block;
  margin-bottom: 6px;
}

.scenario-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.compact-card {
  min-width: 180px;
}

.compare-row {
  grid-template-columns: 140px minmax(0, 1fr) 50px;
  align-items: center;
}

.closing-note {
  margin-top: 20px;
}

.summary-card {
  max-width: 46rem;
}

.deck-controls {
  gap: 18px;
  margin-top: 20px;
}

.nav-button {
  width: 52px;
  height: 52px;
  border-radius: 18px;
}

.dot-nav {
  flex: 1;
  justify-content: center;
}

.dot {
  width: 12px;
  height: 12px;
  padding: 0;
  border-radius: 50%;
  opacity: 0.5;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid transparent;
}

.dot.is-active {
  opacity: 1;
  background: linear-gradient(135deg, var(--accent-coral), var(--accent-cyan));
  transform: scale(1.28);
}

.slide .stack > *,
.slide .panel > *,
.slide .panel .metric-card,
.slide .panel .detail-item {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 520ms ease,
    transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
}

.slide.is-active .stack > *,
.slide.is-active .panel > *,
.slide.is-active .panel .metric-card,
.slide.is-active .panel .detail-item {
  opacity: 1;
  transform: translateY(0);
}

.slide.is-active .stack > *:nth-child(1),
.slide.is-active .panel > *:nth-child(1) {
  transition-delay: 40ms;
}

.slide.is-active .stack > *:nth-child(2),
.slide.is-active .panel > *:nth-child(2) {
  transition-delay: 100ms;
}

.slide.is-active .stack > *:nth-child(3),
.slide.is-active .panel > *:nth-child(3) {
  transition-delay: 160ms;
}

.slide.is-active .stack > *:nth-child(4),
.slide.is-active .panel > *:nth-child(4) {
  transition-delay: 220ms;
}

.slide.is-active .stack > *:nth-child(5),
.slide.is-active .panel > *:nth-child(5) {
  transition-delay: 280ms;
}

.slide.is-active .stack > *:nth-child(6),
.slide.is-active .panel > *:nth-child(6) {
  transition-delay: 340ms;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.75;
  }
  50% {
    transform: scale(1.05);
    opacity: 1;
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(18px, -24px, 0) scale(1.06);
  }
}

@media (max-width: 1200px) {
  .slide-grid,
  .hero-layout,
  .final-layout,
  .spotlight-grid {
    grid-template-columns: 1fr;
  }

  .mobility-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .deck {
    height: calc(100vh - 188px);
  }

  .stack {
    justify-content: flex-start;
  }

  .panel {
    min-height: 0;
  }
}

@media (max-width: 900px) {
  body {
    overflow: auto;
  }

  .app-shell {
    min-height: 100vh;
    height: auto;
    padding: 22px 18px 18px;
  }

  .deck {
    height: auto;
    overflow: visible;
  }

  .slides-track {
    flex-direction: column;
    gap: 20px;
    transform: none !important;
  }

  .slide {
    min-width: 100%;
    min-height: auto;
    height: auto;
    padding: 0;
  }

  .deck-controls {
    position: sticky;
    bottom: 0;
    padding-top: 14px;
    backdrop-filter: blur(18px);
  }

  .hud-progress {
    min-width: 0;
  }

  .metric-grid,
  .story-metrics,
  .control-list.two-columns,
  .compact-toggles,
  .legend-grid {
    grid-template-columns: 1fr;
  }

  .mobility-controls {
    grid-template-columns: 1fr;
  }

  .compare-row {
    grid-template-columns: 1fr;
  }

  .scenario-header {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0ms !important;
    scroll-behavior: auto !important;
  }
}