/* ============================================================
   CHAPTER I — THE PARADIGM DECISION
   Editorial spreads. Screens as heroes.
   ============================================================ */

/* ── HERO / OPENING ── */

.cs-hero-section {
  background: var(--frost);
  padding: 8em var(--margin) 3em;
}

.cs-hero-inner {
  max-width: 72em;
  margin: 0 auto;
}

.cs-hero-eyebrow {
  opacity: 0.45;
  margin-bottom: 0.6em;
}

.cs-hero-product {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 1.2em;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--charcoal);
  margin-bottom: 1.6em;
}

.cs-hero-title {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3.6rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--charcoal);
  max-width: 18em;
  margin-bottom: 1.6em;
}

.cs-hero-meta {
  display: flex;
  gap: 3em;
  flex-wrap: wrap;
}

/* ── FIVE DOORS ── */

.five-doors {
  background: var(--frost);
  padding: 4em 8% 8em;
}

.five-doors__list {
  list-style: none;
  max-width: 52em;
  margin: 0 auto;
}

.five-doors__item {
  padding: 1.8em 0;
}

.five-doors__item + .five-doors__item {
  border-top: 1px solid rgba(52,52,52,0.08);
}

.five-doors__link {
  display: block;
  text-decoration: none;
}

a.five-doors__link:hover .five-doors__question { opacity: 0.6; }

.five-doors__number {
  display: block;
  font-size: 0.7em;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.6em;
}

.five-doors__question {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: clamp(1.1rem, 2.2vw, 1.6rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--charcoal);
  transition: opacity 0.2s ease;
  margin-bottom: 0.4em;
}

.five-doors__description {
  font-size: 0.8em;
  color: var(--text-muted);
}

.five-doors__item--future .five-doors__question { color: var(--text-ghost); }
.five-doors__item--future .five-doors__number { color: var(--text-ghost); }
.five-doors__item--future .five-doors__description { color: var(--text-ghost); }

/* ── CHAPTER QUESTION (full viewport) ── */

.scene--question {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6em 8%;
}

.scene--question .heading2 {
  text-align: center;
  max-width: 14em;
  margin: 0 auto;
}

/* ── DECISION CARDS (paradigm evaluation) ── */

.decision-card {
  padding: 6em var(--margin);
  border-top: none;
}

.decision-inner {
  max-width: 72em;
  margin: 0 auto;
  display: flex;
  gap: 6em;
}

.decision-left {
  width: 30%;
  flex-shrink: 0;
  position: sticky;
  top: 6em;
  align-self: flex-start;
}

.decision-right {
  width: 65%;
  flex-shrink: 0;
}

.decision-num {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 4em;
  font-weight: 800;
  color: var(--charcoal);
  opacity: 0.08;
  line-height: 1;
  margin-bottom: 0.4em;
}

.decision-title {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 1.4em;
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--charcoal);
  margin-bottom: 0.6em;
}

.decision-status {
  font-size: 0.7em;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

.decision-status--selected {
  color: var(--charcoal);
  font-weight: 800;
}

.decision-label {
  font-size: 0.7em;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  margin-bottom: 0.8em;
}

.decision-body {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.8em;
  font-weight: 400;
  line-height: 1.45;
  color: var(--charcoal);
  opacity: 0.85;
}

.decision-body + .decision-label {
  margin-top: 2.4em;
}

.decision-options {
  display: flex;
  flex-direction: column;
  gap: 1.2em;
  margin-bottom: 2em;
}

.option {
  padding: 1.2em 1.4em;
  border: 1px solid rgba(52, 52, 52, 0.08);
  position: relative;
}

.option-tag {
  font-size: 0.7em;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding: 0.2em 0.6em;
  position: absolute;
  top: -0.7em;
  left: 1em;
  background: var(--frost);
  color: var(--text-muted);
}

.option-shipped .option-tag {
  color: var(--charcoal);
  font-weight: 800;
}

.option-killed {
  opacity: 0.7;
  border-style: dashed;
}

.option img {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 0.8em;
}

.option p {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.75em;
  font-weight: 400;
  line-height: 1.35;
  color: var(--charcoal);
}

.option-caption {
  font-size: 0.65em;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  margin-top: 0.8em;
}

/* ── Slideshow (JS-driven crossfade with tab selector) ── */

.slideshow {
  position: relative;
  width: 100%;
}

.slideshow__nav {
  display: flex;
  gap: 0;
  margin-bottom: 0;
  border-bottom: 1px solid rgba(52, 52, 52, 0.08);
}

.slideshow__dot {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.7em;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-ghost);
  background: none;
  border: none;
  padding: 0.8em 1.2em;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.slideshow__dot:hover {
  color: var(--text-muted);
}

.slideshow__dot.is-active {
  color: var(--charcoal);
  font-weight: 800;
  border-bottom-color: var(--charcoal);
}

.slideshow__frame {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.slideshow__frame picture {
  display: block;
  width: 100%;
}

.slideshow__frame picture img {
  width: 100%;
  height: auto;
  display: block;
  border: none;
}

.slideshow--mobile .slideshow__frame picture img {
  width: auto;
  max-width: 280px;
  max-height: 580px;
  margin: 0 auto;
  display: block;
}

.slideshow--mobile .slideshow__frame {
  display: flex;
  justify-content: center;
  background: #f0f0e5;
  padding: 2em 0;
  border-radius: 4px;
}

.slideshow__frame picture {
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.slideshow__frame picture:first-child {
  position: relative;
}

.slideshow__frame picture.is-active {
  opacity: 1;
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  .slideshow__frame picture {
    transition: none;
  }
}

/* ── Hero image — Settle Club style ── */

.image-full-k-a {
  will-change: transform;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translate3d(0,0,0);
  image-rendering: auto;
}

/* ── Full-height sections ── */

.content-section--full {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
}

.content-section--full .content-row {
  width: 100%;
}

.decision-card--full {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
}

.decision-card--full .decision-inner {
  width: 100%;
}

@media (max-width: 768px) {
  .content-section--full,
  .decision-card--full {
    min-height: auto;
  }
}

/* ── Decision screens (hero product screens) ── */

.decision-screen {
  margin-bottom: 1em;
}

.decision-screen img {
  width: 100%;
  height: auto;
  display: block;
}

.decision-screen--row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1em;
}

.decision-screen--row .decision-screen__item img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid rgba(52, 52, 52, 0.06);
}

.decision-screen--row .option-caption {
  grid-column: 1 / -1;
}

@media (max-width: 768px) {
  .decision-screen--row {
    grid-template-columns: 1fr;
  }
}

/* ── Evidence-only decision cards (chapters II-IV) ── */

.decision-card--evidence {
  padding: 0 8%;
  max-width: 72em;
  margin: 0 auto 4em;
}

.decision-card--evidence .decision-options {
  display: flex;
  flex-direction: row;
  gap: 1.5em;
}

.decision-card--evidence .option {
  flex: 1;
  background: #fff;
  border-radius: 4px;
  border: none;
  overflow: hidden;
  padding: 0;
}

.decision-card--evidence .option-tag {
  position: static;
  display: block;
  padding: 1em 1.2em 0.4em;
  background: none;
  font-size: 0.8em;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--charcoal);
}

.decision-card--evidence .option-caption {
  padding: 0 1.2em 1em;
  margin-top: 0;
}

.decision-card--evidence .option img {
  margin-top: 0;
}

@media (max-width: 768px) {
  .decision-card--evidence { padding: 0 6%; }
  .decision-card--evidence .decision-options { flex-direction: column; }
}

/* ── Compact flows (supporting screens, tighter format) ── */

.compact-flow {
  padding: 3em var(--margin);
  max-width: 72em;
  margin: 0 auto;
  border-top: 1px solid rgba(52, 52, 52, 0.08);
  display: flex;
  gap: 3em;
  align-items: flex-start;
}

.compact-flow__screen {
  flex-shrink: 0;
  width: 160px;
}

.compact-flow__screen img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.compact-flow__content {
  flex: 1;
  min-width: 0;
}

.compact-flow__num {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.7em;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-ghost);
  margin-bottom: 0.4em;
}

.compact-flow__title {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 1.1em;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--charcoal);
  margin-bottom: 0.8em;
}

.compact-flow__body {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.8em;
  font-weight: 400;
  line-height: 1.45;
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .compact-flow {
    flex-direction: column;
    gap: 1.5em;
    padding: 2em var(--margin);
  }
  .compact-flow__screen {
    width: 120px;
  }
}

@supports not (overflow-x: clip) {
  .decision-left {
    position: relative;
  }
}

/* ── SILENCE / PULL QUOTE ── */

.scene--silence {
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6em 8%;
}

.pull-quote {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: clamp(2.4rem, 7vw, 6rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--charcoal);
  text-align: center;
  max-width: 14em;
  margin: 0 auto;
}

/* ── USER TAXONOMY ── */

.taxonomy-list {
  list-style: none;
  max-width: 36em;
  margin-top: 2em;
}

.taxonomy-list__item {
  display: flex;
  gap: 1.5em;
  padding: 1em 0;
  align-items: baseline;
}

.taxonomy-list__item + .taxonomy-list__item {
  border-top: 1px solid rgba(52,52,52,0.08);
}

.taxonomy-list__type {
  font-weight: 800;
  font-size: 0.7em;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--charcoal);
  flex-shrink: 0;
  min-width: 3em;
}

.taxonomy-list__desc {
  font-size: 0.875em;
  line-height: 1.45;
  color: var(--text-secondary);
}

.taxonomy-source {
  margin-top: 2.5em;
}

.taxonomy-source img {
  max-width: 20em;
  opacity: 0.5;
  border: 1px solid rgba(52,52,52,0.06);
}

.taxonomy-source__caption {
  margin-top: 0.5em;
}

/* ── PANORAMIC SECTION ── */

.panoramic-section {
  position: relative;
  margin: 4em 0;
}

.panoramic-section__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 1;
  background: var(--frost);
}

.panoramic-section__image-wrap {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: transform;
}

.panoramic-section__image {
  width: 100%;
  height: auto;
  max-height: 90vh;
  object-fit: contain;
}

.panoramic-section__scroll-track {
  height: 300vh;
  pointer-events: none;
}

@media (max-width: 768px) {
  .panoramic-section__sticky {
    position: relative;
    height: auto;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    padding: 1.5em 0;
  }
  .panoramic-section__image-wrap {
    width: auto;
    min-width: 200vw;
  }
  .panoramic-section__image {
    width: auto;
    height: 50vh;
    max-height: none;
  }
  .panoramic-section__scroll-track { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .panoramic-section__sticky { position: relative; height: auto; }
  .panoramic-section__scroll-track { display: none; }
}

/* ── SUPPORTING SCREENS (post-panoramic) ── */

.supporting-screens {
  padding: 4em 8%;
  max-width: 72em;
  margin: 0 auto;
}

.supporting-screen {
  margin-bottom: 4em;
}

.supporting-screen__lead {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.875em;
  font-weight: 400;
  line-height: 1.45;
  color: var(--text-muted);
  margin-bottom: 1.2em;
  max-width: 28em;
}

.supporting-screen img {
  width: 100%;
  height: auto;
  border: 1px solid rgba(52,52,52,0.06);
}

.supporting-screen__caption {
  margin-top: 0.6em;
}

/* ── SPLIT COMPARISON ── */

.comparison-spread {
  margin: 4em 0;
}

.comparison-spread__intro {
  padding: 0 8%;
  max-width: 72em;
  margin: 0 auto 2em;
}

.comparison-spread__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.comparison-spread__panel {
  position: relative;
  overflow: hidden;
  min-height: 55vh;
}

.comparison-spread__panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comparison-spread__panel-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2em;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 100%);
  z-index: 10;
}

.comparison-spread__closing {
  padding: 3em 8% 0;
  max-width: 72em;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .comparison-spread__grid { grid-template-columns: 1fr; }
  .comparison-spread__panel { min-height: 45vh; }
}

/* ── BRIDGE ── */

.scene--bridge {
  padding: 8em 8% 10em;
}

.bridge__inner {
  max-width: 72em;
  margin: 0 auto;
}

.bridge__text {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--charcoal);
  max-width: 20em;
}

.bridge__nav {
  margin-top: 4em;
  padding-top: 2em;
  border-top: 1px solid rgba(52,52,52,0.08);
}

.bridge__next-label {
  display: block;
  font-size: 0.875em;
  color: var(--text-ghost);
  line-height: 1.4;
}

.bridge__coming-soon {
  display: block;
  font-size: 0.7em;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-ghost);
  margin-top: 0.4em;
}

/* ── HERO META STRUCTURED ── */

.cs-hero-meta-group {
  margin-bottom: 0.8em;
}

.cs-hero-meta-label {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.6em;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-ghost);
  margin-bottom: 0.3em;
}

/* ── EVIDENCE SIGNAL ── */

.evidence-signal {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6em;
  margin-top: 2em;
  padding: 0.6em 0;
  border-top: 1px solid rgba(52, 52, 52, 0.08);
}

.evidence-signal__label {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.6em;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-ghost);
  flex-shrink: 0;
}

.evidence-signal__value {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.7em;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--text-muted);
}

/* ── VERSION BADGE ── */

.version-badge {
  display: inline-block;
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.65em;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-ghost);
  border: 1px solid rgba(52, 52, 52, 0.12);
  padding: 0.15em 0.5em;
  margin-right: 0.5em;
  vertical-align: middle;
  line-height: 1.4;
}

/* ── EVOLUTION DESCRIPTOR ── */

.evo-descriptor {
  display: block;
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.6em;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-ghost);
  margin-top: 0.2em;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.evo-item:hover .evo-descriptor,
.evo-item:focus-within .evo-descriptor {
  opacity: 1;
}

/* ── SYSTEM DIAGRAM ── */

.system-diagram {
  max-width: 56em;
  margin: 0 auto;
  padding: 0 8%;
}

.system-diagram__flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.system-diagram__node {
  text-align: center;
  padding: 1em 2em;
  border: 1px solid rgba(52, 52, 52, 0.15);
  position: relative;
}

.system-diagram__node-label {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.75em;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--charcoal);
}

.system-diagram__node-sub {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.6em;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-ghost);
  margin-top: 0.2em;
}

.system-diagram__connector {
  width: 1px;
  height: 2em;
  background: rgba(52, 52, 52, 0.15);
}

.system-diagram__branch {
  display: flex;
  justify-content: center;
  gap: 1em;
  position: relative;
}

.system-diagram__branch::before {
  content: '';
  position: absolute;
  top: 0;
  left: 25%;
  right: 25%;
  height: 1px;
  background: rgba(52, 52, 52, 0.15);
}

.system-diagram__branch-item {
  text-align: center;
  padding: 0.8em 1.2em;
  border: 1px solid rgba(52, 52, 52, 0.10);
  position: relative;
  flex: 1;
  max-width: 10em;
}

.system-diagram__branch-item::before {
  content: '';
  position: absolute;
  top: -2em;
  left: 50%;
  width: 1px;
  height: 2em;
  background: rgba(52, 52, 52, 0.15);
}

.system-diagram__branch-label {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.65em;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--charcoal);
}

.system-diagram__branch-sub {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.55em;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-ghost);
  margin-top: 0.15em;
}

.system-diagram__side {
  display: flex;
  justify-content: space-between;
  gap: 1.5em;
  margin-top: 3em;
  padding-top: 2em;
  border-top: 1px solid rgba(52, 52, 52, 0.08);
}

.system-diagram__side-item {
  text-align: center;
  flex: 1;
}

.system-diagram__side-label {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.65em;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--text-muted);
}

.system-diagram__side-sub {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.55em;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-ghost);
  margin-top: 0.15em;
}

/* ── CROSS-PAGE NAV ── */

.bridge__cross-nav {
  margin-top: 3em;
  padding-top: 2em;
  border-top: 1px solid rgba(52, 52, 52, 0.08);
  display: flex;
  justify-content: space-between;
  gap: 2em;
}

.bridge__cross-link {
  text-decoration: none;
  display: block;
  flex: 1;
}

.bridge__cross-link:hover { opacity: 0.6; }

.bridge__cross-link--next {
  text-align: right;
}

.bridge__cross-eyebrow {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.7em;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-ghost);
  margin-bottom: 0.3em;
}

.bridge__cross-title {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.875em;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--charcoal);
  line-height: 1.1;
}

.bridge__cross-desc {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.7em;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 0.3em;
  line-height: 1.3;
}

/* ── BEFORE/AFTER PLACEHOLDER ── */

.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1em;
  margin-top: 2em;
}

.before-after__panel {
  position: relative;
}

.before-after__label {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.6em;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-ghost);
  margin-bottom: 0.4em;
}

.before-after__panel img {
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.before-after__caption {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.6em;
  font-weight: 400;
  color: var(--text-ghost);
  margin-top: 0.6em;
  text-align: center;
}

/* ── ANATOMY ANNOTATION ── */

.anatomy {
  display: flex;
  gap: 2.5em;
  align-items: flex-start;
  margin-top: 2.4em;
}

.anatomy__screen {
  position: relative;
  flex-shrink: 0;
  width: 220px;
}

.anatomy__screen img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.anatomy__marker {
  position: absolute;
  width: 1.5em;
  height: 1.5em;
  border-radius: 50%;
  background: var(--charcoal);
  color: var(--frost);
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.6em;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.anatomy__labels {
  flex: 1;
  min-width: 0;
}

.anatomy__item {
  display: flex;
  gap: 0.8em;
  padding: 0.6em 0;
  align-items: baseline;
}

.anatomy__item + .anatomy__item {
  border-top: 1px solid rgba(52, 52, 52, 0.06);
}

.anatomy__num {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.6em;
  font-weight: 800;
  color: var(--frost);
  background: var(--charcoal);
  width: 1.5em;
  height: 1.5em;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.anatomy__name {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.7em;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--charcoal);
  line-height: 1.2;
}

.anatomy__reason {
  font-family: 'Helvetica Now Display', sans-serif;
  font-size: 0.7em;
  font-weight: 400;
  line-height: 1.35;
  color: var(--text-muted);
  margin-top: 0.15em;
}

/* ── MOBILE ── */

@media (max-width: 768px) {
  .scene--question { min-height: 60vh; padding: 4em 6%; }
  .supporting-screens { padding: 3em 6%; }
  .five-doors { padding: 3em 6% 5em; }
  .scene--bridge { padding: 5em 6% 6em; }
  .comparison-spread__intro { padding: 0 6%; }
  .comparison-spread__closing { padding: 2em 6% 0; }
  .taxonomy-list__item { flex-direction: column; gap: 0.3em; }

  .decision-card { padding: 4em var(--margin); }
  .decision-inner { flex-direction: column; gap: 2em; }
  .decision-left { width: 100%; position: static; }
  .decision-right { width: 100%; }

  .evo-descriptor { opacity: 1; }

  .system-diagram { padding: 0 6%; }
  .system-diagram__branch {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }
  .system-diagram__branch::before { display: none; }
  .system-diagram__branch-item {
    max-width: 100%;
    width: 80%;
  }
  .system-diagram__branch-item::before {
    height: 1.5em;
    top: -1.5em;
  }
  .system-diagram__side {
    flex-direction: column;
    align-items: center;
    gap: 1em;
  }

  .bridge__cross-nav {
    flex-direction: column;
    gap: 1.5em;
  }
  .bridge__cross-link--next { text-align: left; }

  .before-after { grid-template-columns: 1fr; }

  .anatomy {
    flex-direction: column;
    align-items: center;
    gap: 1.5em;
  }
  .anatomy__screen { width: 180px; }
}