/* ==========================================================================
   Findings page — narrative editorial layout
   ========================================================================== */

/* ---------- Hero ---------- */
.findings-hero {
  padding: var(--s-10) 0 var(--s-9);
}
.findings-hero__h1 {
  margin: var(--s-5) 0 var(--s-5);
  max-width: 12ch;
}
.findings-hero__lede {
  margin-bottom: var(--s-7);
}
.findings-hero__stats {
  display: flex;
  align-items: center;
  gap: var(--s-7);
  flex-wrap: wrap;
}
.findings-hero__stat-divider {
  width: 1px;
  height: 48px;
  background: var(--hairline);
  flex-shrink: 0;
}

/* ---------- Two-column section layout ---------- */
.findings-two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-7);
  align-items: start;
}
@media (min-width: 900px) {
  .findings-two-col {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr;
    column-gap: var(--s-8);
    row-gap: 0;
    align-items: start;
  }
  /* Normal: head col 1 row 1, body col 1 row 2, chart col 2 row 2 */
  .findings-copy__head { grid-column: 1; grid-row: 1; }
  .findings-copy__body { grid-column: 1; grid-row: 2; align-self: start; }
  .findings-chart-wrap { grid-column: 2; grid-row: 2; align-self: start; }

  /* Rev: swap columns */
  .findings-two-col--rev .findings-copy__head { grid-column: 2; }
  .findings-two-col--rev .findings-copy__body { grid-column: 2; }
  .findings-two-col--rev .findings-chart-wrap { grid-column: 1; order: unset; }
}

/* ---------- Copy column ---------- */
.findings-copy {
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}
.findings-copy .eyebrow,
.findings-copy__head .eyebrow,
.findings-copy__head .pill {
  margin-bottom: calc(var(--s-2) * -1);
}
.findings-copy__head {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  padding-bottom: var(--s-5);
}
.findings-copy__body {
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}

/* ---------- Stat split (device section) ---------- */
.findings-stat-split {
  display: flex;
  align-items: center;
  gap: var(--s-5);
}
.findings-stat-block {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
}
.findings-stat-vs {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 28px);
  color: var(--text-faint);
  font-weight: 300;
  letter-spacing: -0.02em;
  padding-top: 8px;
}

/* ---------- Chart card ---------- */
.findings-chart-wrap {
  width: 100%;
}
.findings-chart-card {
  padding: var(--s-5);
  border-radius: var(--r-lg);
}
.findings-chart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--s-4);
  flex-wrap: wrap;
  gap: var(--s-2);
}
.findings-chart-caption {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  margin-top: var(--s-3);
  letter-spacing: 0.04em;
}
.findings-chart-legend {
  display: flex;
  gap: var(--s-4);
  align-items: center;
}
.findings-legend-item {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
.findings-legend-item::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}
.findings-legend-item--laptop::before { background: var(--accent); }
.findings-legend-item--mobile::before { background: var(--fake); }

/* ---------- Null section (familiarity) ---------- */
.findings-null-section {
  background: var(--surface);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.findings-null__inner {
  display: flex;
  flex-direction: column;
  gap: var(--s-7);
}
.findings-null__header {
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
  max-width: 72ch;
}
.findings-null__pill {
  align-self: flex-start;
}
.findings-null__lede {
  max-width: 58ch;
}
.findings-null__body-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-5);
}
@media (min-width: 760px) {
  .findings-null__body-cols {
    grid-template-columns: 1fr 1fr;
  }
}

/* Familiarity bars */
.findings-null__bars {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  max-width: 640px;
}
.fam-bar-row {
  display: grid;
  grid-template-columns: 160px 1fr 52px;
  align-items: center;
  gap: var(--s-3);
}
@media (max-width: 600px) {
  .fam-bar-row {
    grid-template-columns: 120px 1fr 44px;
    gap: var(--s-2);
  }
}
.fam-bar-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.fam-bar-track {
  height: 6px;
  background: var(--hairline);
  border-radius: 999px;
  overflow: hidden;
}
.fam-bar-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 800ms var(--ease-spring);
}
.fam-bar-fill.is-animated {
  transform: scaleX(1);
}
.fam-bar-val {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}
.fam-bar-n {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-faint);
  margin-top: 2px;
}

/* ---------- Most-fooled grid ---------- */
.findings-fooled__header {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  margin-bottom: var(--s-7);
}
.findings-fooled__lede {
  max-width: 58ch;
}
.findings-fooled-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-4);
}
@media (min-width: 640px) {
  .findings-fooled-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 1000px) {
  .findings-fooled-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s-5);
  }
}
.fooled-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color 220ms var(--ease-smooth), transform 280ms var(--ease-spring), box-shadow 280ms var(--ease-smooth);
}
.fooled-card:hover {
  border-color: var(--hairline-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-mid);
}
.fooled-card__img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--surface-elevated);
}
.fooled-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms var(--ease-smooth);
}
.fooled-card:hover .fooled-card__img-wrap img {
  transform: scale(1.04);
}
.fooled-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, transparent 50%);
  pointer-events: none;
}
.fooled-card__pct {
  position: absolute;
  bottom: var(--s-3);
  left: var(--s-3);
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 300;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1;
}
.fooled-card__pct-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
  margin-top: 2px;
}
.fooled-card__body {
  padding: var(--s-3) var(--s-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-2);
}
.fooled-card__filename {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.02em;
}
.fooled-card__divider {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
}

/* Fooled grid divider label */
.findings-fooled-divider {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-3) 0;
}
.findings-fooled-divider__line {
  flex: 1;
  height: 1px;
  background: var(--hairline);
}
.findings-fooled-divider__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  white-space: nowrap;
}

/* ---------- Who took the survey ---------- */
.findings-who__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-8);
  margin-top: var(--s-6);
}
@media (max-width: 720px) {
  .findings-who__grid { grid-template-columns: 1fr; }
}
.findings-who__block {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.findings-who__head {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--hairline);
}
.findings-who__rows {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.findings-who__row {
  display: grid;
  grid-template-columns: 140px 1fr 36px;
  align-items: center;
  gap: var(--s-3);
}
.findings-who__label {
  font-size: 13px;
  color: var(--text-muted);
}
.findings-who__bar-wrap {
  height: 4px;
  background: var(--hairline);
  border-radius: 99px;
  overflow: hidden;
}
.findings-who__bar {
  height: 100%;
  border-radius: 99px;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 700ms var(--ease-spring);
}
.findings-who__bar.is-animated { transform: scaleX(1); }
.findings-who__bar--mobile { background: var(--fake); }
.findings-who__n {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  text-align: right;
}


/* ---------- T-test steps (Finding 01) ---------- */
.findings-ttest {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  border-top: 1px solid var(--hairline);
  padding-top: var(--s-4);
}
.findings-ttest__head {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--s-1);
}
.findings-ttest__row {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-2) var(--s-3);
  border-radius: var(--r-sm);
  background: var(--surface);
}
.findings-ttest__cohort {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
}
.findings-ttest__means {
  font-size: 13px;
  color: var(--text);
}
.findings-ttest__delta {
  font-size: 12px;
  color: var(--text-muted);
}
.findings-ttest__p {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 99px;
  white-space: nowrap;
}
.findings-ttest__p--ns {
  background: var(--hairline);
  color: var(--text-faint);
}
.findings-ttest__p--sig {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent);
  font-weight: 600;
}


/* ---------- Score ladder (Finding 04) ---------- */
.findings-ladder {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  overflow: hidden;
}
.findings-ladder__row {
  display: grid;
  grid-template-columns: 130px 1fr 44px;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-2) var(--s-4);
  border-bottom: 1px solid var(--hairline);
  background: var(--surface);
  transition: background 0.15s;
}
.findings-ladder__row:last-child { border-bottom: none; }
.findings-ladder__row:hover { background: var(--surface-elevated); }
.findings-ladder__row:first-child {
  background: color-mix(in srgb, var(--accent) 6%, var(--surface));
}
.findings-ladder__label {
  font-size: 13px;
  color: var(--text-muted);
}
.findings-ladder__row:first-child .findings-ladder__label { color: var(--text); font-weight: 500; }
.findings-ladder__bar-wrap {
  height: 3px;
  background: var(--hairline);
  border-radius: 99px;
  overflow: hidden;
}
.findings-ladder__bar {
  height: 100%;
  border-radius: 99px;
  background: var(--real);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 700ms var(--ease-spring);
}
.findings-ladder__bar.is-animated { transform: scaleX(1); }
.findings-ladder__val {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  text-align: right;
}
.findings-ladder__row:first-child .findings-ladder__val { color: var(--accent); }


/* ---------- Method interlude ---------- */
.findings-method {
  background: var(--surface);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.findings-method__inner {
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}
.findings-method__conditions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
}
@media (max-width: 700px) {
  .findings-method__conditions { grid-template-columns: 1fr; }
}
.findings-method__cond {
  padding: var(--s-4);
  border-radius: var(--r-md);
  border: 1px solid var(--hairline);
  background: var(--surface-elevated);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.findings-method__cond-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
}
.findings-method__cond-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}
.findings-method__cond-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}
details.findings-method__detail {
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: var(--surface-elevated);
  overflow: hidden;
}
details.findings-method__detail summary {
  padding: var(--s-3) var(--s-4);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--s-2);
  user-select: none;
  transition: color 0.15s;
}
details.findings-method__detail summary::-webkit-details-marker { display: none; }
details.findings-method__detail summary::before {
  content: '▶';
  font-size: 8px;
  color: var(--accent);
  transition: transform 0.18s;
  flex-shrink: 0;
  display: inline-block;
}
details.findings-method__detail[open] summary::before { transform: rotate(90deg); }
details.findings-method__detail summary:hover { color: var(--text); }
.findings-method__detail-body {
  padding: var(--s-4);
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.findings-method__detail-body p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0;
}


/* ---------- Submodel findings (07, 08) ---------- */
.findings-submodel {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--s-7);
  align-items: start;
}
@media (max-width: 700px) {
  .findings-submodel { grid-template-columns: 1fr; }
}
.findings-submodel__callout {
  padding: var(--s-5);
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--s-2);
  position: sticky;
  top: calc(var(--nav-h) + var(--s-4));
}
.findings-submodel__callout-n {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  text-transform: uppercase;
}
.findings-submodel__callout-val {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
}
.findings-submodel__callout-label {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}
.findings-submodel__copy {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}


/* ---------- Conclusion ---------- */
.findings-conclusion {
  border-left: 3px solid var(--accent);
  padding: var(--s-3) 0 var(--s-3) var(--s-5);
  max-width: 72ch;
  margin-left: auto;
  margin-right: auto;
}

#section-conclusion .shell {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

#section-conclusion .findings-conclusion {
  border-left: none;
  border-top: 3px solid var(--accent);
  padding: var(--s-5) 0 0;
}
.findings-conclusion p { margin: 0; }


/* ---------- Limitations ---------- */
.findings-limits {
  display: flex;
  flex-direction: column;
  gap: var(--s-7);
}
.findings-limits__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-6);
}
@media (min-width: 760px) {
  .findings-limits__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--s-7) var(--s-8);
  }
}
.findings-limits__item {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.findings-limits__head {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text);
}