.data-story {
  --data-space: clamp(56px, 6vw, 88px);
  background: var(--paper);
}

.data-story .nav { position: relative; }
.data-story a:focus-visible { outline: 3px solid var(--lime-deep); outline-offset: 4px; }

.data-hero {
  padding: clamp(48px, 5vw, 72px) 0 clamp(64px, 7vw, 96px);
  background: var(--paper);
}
.data-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, .32fr);
  gap: 32px 56px;
  align-items: start;
}
.data-hero__claim {
  display: grid;
  grid-column: 1;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1fr);
  gap: 24px 44px;
  align-items: start;
}
.data-hero__number {
  grid-row: 1 / span 2;
  font-family: var(--font-display);
  font-size: clamp(102px, 7.5vw, 120px);
  font-weight: 700;
  line-height: .75;
  letter-spacing: -.055em;
  white-space: nowrap;
}
.data-hero h1 {
  grid-column: 2;
  max-width: 520px;
  font-family: var(--font-display);
  font-size: clamp(36px, 3.4vw, 50px);
  font-weight: 600;
  line-height: .94;
  letter-spacing: -.025em;
  text-transform: uppercase;
}
.data-hero__dek {
  grid-column: 2;
  max-width: 600px;
  color: var(--ink-soft);
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.42;
}
.method-card {
  grid-column: 2;
  grid-row: 1 / span 2;
  max-width: 420px;
  padding: 28px;
  background: var(--paper-2);
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.55;
}
.method-card__title {
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.method-card dl { display: grid; gap: 10px; margin: 24px 0 0; }
.method-card dl div { display: grid; grid-template-columns: 72px 1fr; gap: 12px; }
.method-card dt { color: var(--graph); }
.method-card dd { margin: 0; font-weight: 600; }
.hundred-figure,
.hero-source { grid-column: 1; }
.hundred-grid {
  display: grid;
  grid-template-columns: repeat(20, minmax(8px, 1fr));
  gap: clamp(5px, .7vw, 10px);
  min-height: 180px;
}
.hundred-grid__cell {
  position: relative;
  aspect-ratio: 1;
  background: var(--paper-3);
}
.hundred-grid__cell.is-filled { background: var(--ink); }
.hundred-grid__cell.is-partial::before {
  position: absolute;
  inset: 0;
  width: var(--partial);
  background: var(--ink);
  content: "";
}
.hundred-figure figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px 28px;
  margin-top: 22px;
  font-family: var(--font-ui);
  font-size: 12px;
  line-height: 18px;
}
.hundred-figure figcaption span { display: inline-flex; align-items: center; gap: 9px; }
.key { width: 12px; height: 12px; background: var(--ink); }
.key--empty { background: var(--paper-3); }

.figure-source {
  color: var(--graph);
  font-family: var(--font-ui);
  font-size: 11px;
  line-height: 17px;
}
.figure-source a {
  text-decoration: underline;
  text-decoration-color: var(--lime-deep);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.data-chapter { padding: var(--data-space) 0; }
.data-chapter--tint { background: var(--paper-2); }
.chapter-grid { display: grid; gap: clamp(52px, 5vw, 72px); }
.chapter-head {
  display: grid;
  grid-template-columns: minmax(150px, .42fr) minmax(0, 1.15fr) minmax(260px, .75fr);
  gap: 28px 48px;
  align-items: start;
}
.chapter-index {
  padding-top: 9px;
  color: var(--graph);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .09em;
  line-height: 16px;
  text-transform: uppercase;
}
.chapter-head h2 {
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 76px);
  font-weight: 600;
  letter-spacing: -.025em;
  line-height: .97;
  text-transform: uppercase;
}
.chapter-intro { color: var(--ink-soft); font-size: 20px; line-height: 1.55; }
.chart-block h3,
.limits-grid h3,
.sources-block h3 {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 19px;
  text-transform: uppercase;
}

.quarter-chart { max-width: 900px; margin: 0 auto; }
.quarter-chart > h3 { margin-bottom: 28px; text-align: center; }
.quarter-chart__rows { display: grid; grid-template-columns: repeat(2, 1fr); gap: 52px; }
.quarter-row__meta {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
  font-family: var(--font-ui);
  font-size: 13px;
}
.quarter-row__meta strong {
  font-family: var(--font-display);
  font-size: clamp(52px, 7vw, 84px);
  line-height: .8;
}
.bar-track {
  position: relative;
  display: block;
  height: 14px;
  overflow: visible;
  background: var(--paper-3);
}
.bar-fill { display: block; width: var(--value); height: 100%; background: var(--ink); }
.bar-fill--lime { background: var(--lime-deep); }
.quarter-row p {
  margin-top: 12px;
  color: var(--graph);
  font-family: var(--font-ui);
  font-size: 11px;
  line-height: 16px;
}
.quarter-chart .figure-source { margin-top: 24px; text-align: center; }

.evidence-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px; }
.chart-block__head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: start;
  margin-bottom: 28px;
}
.chart-block__head p {
  max-width: 420px;
  margin-top: 7px;
  color: var(--graph);
  font-size: 15px;
  line-height: 22px;
}
.chart-note {
  flex: none;
  padding: 6px 9px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .06em;
  line-height: 14px;
  text-transform: uppercase;
}
.bar-list { display: grid; gap: 18px; }
.bar-row {
  display: grid;
  grid-template-columns: minmax(118px, .85fr) minmax(120px, 1fr) 56px;
  gap: 16px;
  align-items: center;
  font-family: var(--font-ui);
  font-size: 12px;
  line-height: 16px;
}
.bar-row strong {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1;
  text-align: right;
}
.bar-row.is-focus > span { font-weight: 700; }
.annotation {
  max-width: 470px;
  margin-top: 24px;
  padding: 22px 24px;
  background: var(--lime);
  font-size: 17px;
  line-height: 25px;
}
.mini-chart .figure-source { margin-top: 24px; }
.context-stat {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 36px 48px;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 36px 44px;
  background: var(--ink);
  color: var(--paper);
}
.context-stat > strong {
  color: var(--lime);
  font-family: var(--font-display);
  font-size: clamp(84px, 11vw, 140px);
  line-height: .8;
}
.context-stat h3 {
  margin-bottom: 12px;
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.05;
  text-transform: uppercase;
}
.context-stat p:not(.figure-source) { color: #dedcd6; font-size: 17px; line-height: 26px; }
.context-stat .figure-source { margin-top: 16px; color: #aaa9a5; }

.forms-chart { max-width: 960px; margin: 0 auto; }
.forms-chart > h3 { margin-bottom: 28px; }
.forms-chart__legend {
  display: grid;
  grid-template-columns: 34% 1fr 1fr;
  gap: 26px;
  margin-bottom: 14px;
  color: var(--graph);
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.forms-chart__legend::before { content: ""; }
.form-row {
  display: grid;
  grid-template-columns: 34% 1fr;
  gap: 26px;
  align-items: center;
  padding: 22px 0;
  border-top: 1px solid var(--border);
}
.form-row__label { display: grid; gap: 6px; }
.form-row__label strong {
  font-family: var(--font-display);
  font-size: 27px;
  line-height: 1;
  text-transform: uppercase;
}
.form-row__label span { color: var(--graph); font-size: 14px; line-height: 20px; }
.paired-bars { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.paired-bars > div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  height: 22px;
  background: var(--paper-3);
}
.paired-bars strong {
  padding-left: 4px;
  background: var(--paper-2);
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1;
}
.forms-chart .figure-source { padding-top: 18px; border-top: 1px solid var(--border); }
.secondary-forms { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.secondary-form strong {
  display: block;
  margin-bottom: 18px;
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 72px);
  line-height: .82;
}
.secondary-form p { color: var(--ink-soft); font-size: 16px; line-height: 24px; }
.secondary-source { margin-top: -44px; }
.documentary-break { margin-top: 20px; }
.documentary-break .figure__media { aspect-ratio: 16 / 8; }

.geo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .86fr);
  gap: 56px;
  align-items: center;
}
.bar-list--geo { gap: 21px; }
.bar-list--geo .bar-row { grid-template-columns: minmax(130px, .9fr) minmax(160px, 1fr) 58px; }
.bar-list--geo .bar-track { height: 18px; }
.reference-line {
  position: absolute;
  top: -4px;
  bottom: -4px;
  left: var(--reference);
  width: 2px;
  background: var(--lime-deep);
}
.bar-row.is-poland { padding: 10px 0; background: var(--paper-2); font-weight: 700; }
.geo-chart .figure-source { margin-top: 30px; }
.geo-photo .figure__media { aspect-ratio: 4 / 5; }

.data-chapter--dark { background: var(--ink); color: var(--paper); }
.motives-layout {
  display: grid;
  grid-template-columns: minmax(300px, .72fr) minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}
.chapter-head--dark { display: block; position: sticky; top: 40px; }
.chapter-head--dark .chapter-index { margin-bottom: 30px; color: var(--lime); }
.chapter-head--dark h2 { margin-bottom: 26px; color: var(--paper); }
.chapter-head--dark .chapter-intro { color: #cfcec9; }
.motives-list { display: grid; }
.motives-list li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 28px;
  padding: 24px 0;
  border-top: 1px solid #3a3a38;
}
.motives-list li:last-child { border-bottom: 1px solid #3a3a38; }
.motives-list > li > span {
  color: var(--lime);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}
.motives-list h3 {
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 35px;
  font-weight: 600;
  line-height: 1;
  text-transform: uppercase;
}
.motives-list p { max-width: 580px; color: #cfcec9; font-size: 17px; line-height: 26px; }
.motives-source { grid-column: 2; color: #aaa9a5; }

.chapter-head--compact { grid-template-columns: minmax(150px, .42fr) minmax(0, 1.9fr); }
.limits-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 64px; }
.limits-grid section { padding-top: 28px; border-top: 8px solid var(--ink); }
.limits-grid section:last-child { border-color: var(--lime-deep); }
.limits-grid h3 { margin-bottom: 26px; }
.limits-grid ul { display: grid; gap: 16px; }
.limits-grid li {
  position: relative;
  padding-left: 24px;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 26px;
}
.limits-grid li::before {
  position: absolute;
  top: 11px;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--ink);
  content: "";
}
.limits-grid section:last-child li::before { background: var(--lime-deep); }
.sources-block { padding-top: 28px; border-top: 1px solid var(--ink); }
.sources-block > h3 { margin-bottom: 20px; }
.sources-block ol { display: grid; }
.sources-block li {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}
.sources-block li span {
  color: var(--graph);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}
.sources-block li a {
  font-size: 17px;
  line-height: 25px;
  text-decoration: underline;
  text-decoration-color: var(--lime-deep);
  text-decoration-thickness: 3px;
  text-underline-offset: 4px;
}

.memory-cta { background: var(--ink); color: var(--paper); }
.memory-cta__inner {
  display: flex;
  justify-content: space-between;
  gap: 64px;
  align-items: end;
  padding-top: 60px;
  padding-bottom: 60px;
}
.memory-cta p {
  margin-bottom: 6px;
  color: var(--lime);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.memory-cta h2 {
  max-width: 760px;
  font-family: var(--font-display);
  font-size: clamp(38px, 5.5vw, 68px);
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: .98;
  text-transform: uppercase;
}
.memory-cta .btn { flex: none; }
.data-footer { margin-top: 0; }

@media (max-width: 1080px) {
  .data-hero__inner,
  .motives-layout { grid-template-columns: 1fr; }
  .data-hero__claim { grid-template-columns: 1fr; }
  .data-hero__number { grid-row: auto; }
  .data-hero h1,
  .data-hero__dek,
  .method-card { grid-column: auto; }
  .method-card { grid-row: auto; max-width: 620px; }
  .chapter-head { grid-template-columns: 120px minmax(0, 1fr); }
  .chapter-intro { grid-column: 2; max-width: 620px; }
  .evidence-grid,
  .geo-layout { grid-template-columns: 1fr; }
  .secondary-forms { grid-template-columns: repeat(2, 1fr); }
  .secondary-source { margin-top: -36px; }
  .geo-photo { max-width: 700px; }
  .geo-photo .figure__media { aspect-ratio: 16 / 10; }
  .chapter-head--dark { position: static; }
  .motives-source { grid-column: auto; }
}

@media (max-width: 720px) {
  .data-story { --data-space: 64px; }
  .data-story .nav__inner { height: 68px; }
  .data-story .nav__cta { padding: 10px 13px; font-size: 11px; }
  .data-hero { padding-top: 48px; padding-bottom: 72px; }
  .data-hero__inner { gap: 36px; }
  .data-hero__claim { gap: 24px; }
  .data-hero__number { font-size: clamp(108px, 36vw, 154px); }
  .data-hero h1 { font-size: clamp(42px, 13vw, 58px); }
  .data-hero__dek { font-size: 20px; line-height: 30px; }
  .hundred-grid { grid-template-columns: repeat(10, 1fr); gap: 5px; min-height: 0; }
  .hundred-figure figcaption { display: grid; }
  .chapter-grid { gap: 48px; }
  .chapter-head,
  .chapter-head--compact { grid-template-columns: 1fr; gap: 22px; }
  .chapter-head .chapter-intro { grid-column: auto; }
  .chapter-head h2 { font-size: clamp(42px, 13vw, 58px); }
  .quarter-chart > h3 { margin-bottom: 26px; text-align: left; }
  .quarter-chart__rows,
  .limits-grid { grid-template-columns: 1fr; gap: 40px; }
  .quarter-chart .figure-source { text-align: left; }
  .chart-block__head { display: grid; gap: 16px; }
  .chart-note { justify-self: start; }
  .bar-row,
  .bar-list--geo .bar-row {
    grid-template-columns: minmax(105px, .9fr) minmax(80px, 1fr) 48px;
    gap: 10px;
    font-size: 11px;
  }
  .bar-row strong { font-size: 17px; }
  .context-stat { grid-template-columns: 1fr; padding: 32px 24px; }
  .context-stat > strong { font-size: 104px; }
  .forms-chart__legend { grid-template-columns: 1fr 1fr; padding-left: 0; }
  .forms-chart__legend::before { display: none; }
  .form-row { grid-template-columns: 1fr; gap: 22px; }
  .paired-bars { gap: 14px; }
  .paired-bars > div { grid-template-columns: 1fr; height: auto; gap: 8px; background: transparent; }
  .paired-bars .bar-fill { height: 16px; background-color: var(--ink); }
  .paired-bars .bar-fill--lime { background-color: var(--lime-deep); }
  .paired-bars strong { padding: 0; background: transparent; }
  .secondary-forms { grid-template-columns: 1fr; gap: 36px; }
  .secondary-source { margin-top: -12px; }
  .documentary-break { margin-top: 0; }
  .documentary-break .figure__media,
  .geo-photo .figure__media { aspect-ratio: 4 / 3; }
  .motives-layout { gap: 48px; }
  .motives-list li { grid-template-columns: 38px 1fr; gap: 18px; }
  .motives-list h3 { font-size: 30px; }
  .sources-block li { grid-template-columns: 1fr; gap: 8px; }
  .memory-cta__inner { display: grid; gap: 28px; align-items: start; }
  .memory-cta .btn { justify-self: start; }
}

@media (prefers-reduced-motion: no-preference) {
  .hundred-grid__cell,
  .bar-fill { animation: data-reveal .5s steps(5, end) both; }
  .hundred-grid__cell { animation-delay: calc(var(--index) * 6ms); }
  @keyframes data-reveal {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
  }
}