.page-strength {
  --stg-edge: var(--border-thin) solid var(--color-line);
  --stg-edge-deep: var(--border-thin) solid var(--color-contrast-line);
  --stg-gap-hair: 1px;
}

.page-strength .stg-crumb {
  background: var(--color-surface-alt);
  border-bottom: var(--stg-edge);
  padding-block: var(--space-2);
}

/* ---------- hero ---------- */
.page-strength .stg-hero {
  background: var(--color-contrast-surface);
  padding-block: var(--space-4) var(--space-6);
}

.page-strength .stg-hero__frame {
  position: relative;
  overflow: hidden;
  border: var(--stg-edge-deep);
  border-radius: var(--radius-lg);
  background: var(--color-contrast-surface);
}

.page-strength .stg-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  filter: saturate(0.85);
}

.page-strength .stg-hero__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
  pointer-events: none;
}

.page-strength .stg-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-3);
}

.page-strength .stg-hero__eyebrow {
  color: var(--color-contrast-accent);
  margin: 0 0 var(--space-2);
}

.page-strength .stg-hero__title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-ink);
  margin: 0 0 var(--space-3);
  max-width: 16ch;
}

.page-strength .stg-hero__lead {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
  margin: 0;
  max-width: 52ch;
}

.page-strength .stg-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-contrast-line);
  border: var(--stg-edge-deep);
  margin: 0;
}

.page-strength .stg-stat {
  background: color-mix(in srgb, var(--color-contrast-surface) 88%, transparent);
  padding: var(--space-3) var(--space-2);
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-1);
  min-width: 0;
}

.page-strength .stg-stat__num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  font-weight: var(--weight-heading);
  letter-spacing: -0.02em;
  color: var(--color-contrast-accent);
  margin: 0;
  word-break: break-word;
}

.page-strength .stg-stat__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
  margin: 0;
}

/* ---------- layout ---------- */
.page-strength .stg-layout {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--section-y) var(--space-8);
}

.page-strength .stg-rail {
  border: var(--stg-edge);
  background: var(--color-surface-alt);
  padding: var(--space-3);
  align-self: start;
}

.page-strength .stg-rail__title {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: var(--stg-edge);
}

.page-strength .stg-rail__list {
  list-style: none;
  margin: 0 0 var(--space-3);
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-strength .stg-rail__link {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border-left: 2px solid transparent;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: background 120ms ease-out, color 120ms ease-out, border-color 120ms ease-out;
}

.page-strength .stg-rail__link:hover,
.page-strength .stg-rail__link:focus-visible {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-left-color: var(--color-primary);
}

.page-strength .stg-rail__no {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
}

.page-strength .stg-rail__note {
  font-size: var(--text-xs);
  line-height: 1.65;
  color: var(--color-ink-muted);
  margin: 0;
  padding-top: var(--space-2);
  border-top: var(--stg-edge);
}

.page-strength .stg-body {
  min-width: 0;
}

/* ---------- section shell ---------- */
.page-strength .stg-section {
  border-top: var(--stg-edge);
  padding-top: var(--space-4);
  margin-bottom: var(--space-8);
}

.page-strength .stg-section--last {
  margin-bottom: 0;
}

.page-strength .stg-section__head {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.page-strength .stg-section__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin: 0;
}

.page-strength .stg-section__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0;
}

.page-strength .stg-section__lead {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  margin: 0;
  max-width: var(--measure);
}

/* ---------- figures ---------- */
.page-strength .stg-fig {
  margin: 0 0 var(--space-4);
  border: var(--stg-edge);
  background: var(--color-surface-alt);
}

.page-strength .stg-fig__frame {
  overflow: hidden;
  background: var(--color-contrast-surface);
}

.page-strength .stg-fig__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 12 / 7;
}

.page-strength .stg-fig__frame--square img {
  aspect-ratio: 1 / 1;
}

.page-strength .stg-fig__frame--tall img {
  aspect-ratio: 3 / 4;
}

.page-strength .stg-fig__cap {
  display: flex;
  gap: var(--space-2);
  align-items: baseline;
  padding: var(--space-2) var(--space-3);
  border-top: var(--stg-edge);
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

.page-strength .stg-fig__idx {
  font-family: var(--font-mono);
  color: var(--color-accent);
  white-space: nowrap;
}

/* ---------- filterbar ---------- */
.page-strength .stg-filter {
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  align-items: center;
}

/* ---------- league list ---------- */
.page-strength .stg-league-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: var(--stg-edge);
}

.page-strength .stg-league {
  background: var(--color-surface);
  padding: var(--space-3);
  display: grid;
  gap: var(--space-2);
  align-content: start;
}

.page-strength .stg-league[hidden] {
  display: none;
}

.page-strength .stg-league .chip {
  justify-self: start;
}

.page-strength .stg-league__name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin: 0;
}

.page-strength .stg-league__body {
  font-size: var(--text-sm);
  line-height: 1.72;
  color: var(--color-ink);
  margin: 0;
}

.page-strength .stg-league__edge {
  font-size: var(--text-xs);
  line-height: 1.65;
  color: var(--color-ink-muted);
  margin: 0;
  padding-top: var(--space-2);
  border-top: 1px dashed var(--color-line);
}

/* ---------- split ---------- */
.page-strength .stg-split {
  display: grid;
  gap: var(--space-4);
}

.page-strength .stg-table-wrap {
  overflow-x: auto;
  border: var(--stg-edge);
  background: var(--color-surface);
  -webkit-overflow-scrolling: touch;
}

.page-strength .stg-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.page-strength .stg-table th,
.page-strength .stg-table td {
  border: var(--stg-edge);
  padding: var(--space-2) var(--space-3);
  text-align: left;
  vertical-align: top;
  line-height: 1.68;
  color: var(--color-ink);
}

.page-strength .stg-table thead th {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink);
  background: var(--color-surface-deep);
  white-space: nowrap;
}

.page-strength .stg-table tbody tr:nth-child(even) {
  background: var(--color-surface-alt);
}

.page-strength .stg-table tbody th[scope="row"] {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  color: var(--color-primary);
  white-space: nowrap;
  background: var(--color-surface);
}

.page-strength .stg-panel {
  margin-top: var(--space-4);
}

/* ---------- details ---------- */
.page-strength .stg-details {
  display: grid;
  gap: 0;
  border: var(--stg-edge);
  background: var(--color-line);
}

.page-strength .stg-detail {
  background: var(--color-surface);
  border-bottom: var(--stg-edge);
}

.page-strength .stg-detail:last-child {
  border-bottom: 0;
}

.page-strength .stg-detail > summary {
  cursor: pointer;
  list-style: none;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto 10px;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-3);
  transition: background 120ms ease-out;
}

.page-strength .stg-detail > summary::-webkit-details-marker {
  display: none;
}

.page-strength .stg-detail > summary::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(45deg);
  justify-self: end;
  align-self: center;
  transition: transform 120ms ease-out;
}

.page-strength .stg-detail[open] > summary::after {
  transform: rotate(-135deg);
}

.page-strength .stg-detail > summary:hover,
.page-strength .stg-detail > summary:focus-visible {
  background: var(--color-primary-soft);
}

.page-strength .stg-detail__idx {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
}

.page-strength .stg-detail__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-strength .stg-detail__depth {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  white-space: nowrap;
}

.page-strength .stg-detail__body {
  padding: 0 var(--space-3) var(--space-3);
  display: grid;
  gap: var(--space-2);
  border-top: var(--stg-edge);
  padding-top: var(--space-2);
}

.page-strength .stg-detail__body p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
  max-width: var(--measure);
}

.page-strength .stg-detail__edge {
  font-size: var(--text-xs) !important;
  line-height: 1.7 !important;
  color: var(--color-ink-muted) !important;
  padding-left: var(--space-2);
  border-left: 2px solid var(--color-highlight);
}

/* ---------- spec list ---------- */
.page-strength .stg-spec-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--color-line);
  border: var(--stg-edge);
  align-content: start;
}

.page-strength .stg-spec {
  background: var(--color-surface);
  padding: var(--space-3);
  display: grid;
  gap: var(--space-1);
}

.page-strength .stg-spec__name {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin: 0;
  padding-left: var(--space-2);
  border-left: 2px solid var(--color-primary);
}

.page-strength .stg-spec__body {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.72;
  color: var(--color-ink-soft);
}

/* ---------- limits ---------- */
.page-strength .stg-limit-list {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: var(--stg-edge);
}

.page-strength .stg-limit {
  background: var(--color-surface);
  padding: var(--space-3);
  display: grid;
  gap: var(--space-1);
}

.page-strength .stg-limit__mark {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.08em;
}

.page-strength .stg-limit__name {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin: 0;
}

.page-strength .stg-limit__body {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.72;
  color: var(--color-ink-soft);
}

/* ---------- callout ---------- */
.page-strength .stg-callout {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border: var(--stg-edge-deep);
  border-left: 3px solid var(--color-contrast-accent);
  padding: var(--space-4) var(--space-3);
  display: grid;
  gap: var(--space-3);
}

.page-strength .stg-callout__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-ink);
  margin: 0;
}

.page-strength .stg-callout__text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.75;
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
  max-width: 62ch;
}

.page-strength .stg-callout__rows {
  display: grid;
  gap: 1px;
  background: var(--color-contrast-line);
  border: var(--stg-edge-deep);
}

.page-strength .stg-callout__row {
  background: var(--color-contrast-surface);
  padding: var(--space-2) var(--space-3);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.page-strength .stg-callout__key {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
  min-width: 62px;
}

.page-strength .stg-callout__val {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  flex: 1 1 auto;
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-strength .stg-callout .copybtn {
  background: transparent;
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}

.page-strength .stg-callout .copybtn:hover,
.page-strength .stg-callout .copybtn:focus-visible {
  border-color: var(--color-contrast-accent);
  color: var(--color-contrast-accent);
}

.page-strength .stg-callout__foot {
  margin: 0;
}

/* ---------- next ---------- */
.page-strength .stg-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: var(--stg-edge);
}

.page-strength .stg-next__item {
  background: var(--color-surface);
  padding: var(--space-3);
  display: grid;
  gap: var(--space-1);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 120ms ease-out, border-color 120ms ease-out;
}

.page-strength .stg-next__item:hover,
.page-strength .stg-next__item:focus-visible {
  background: var(--color-primary-soft);
  border-left-color: var(--color-primary);
}

.page-strength .stg-next__kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.page-strength .stg-next__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-strength .stg-next__desc {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .page-strength .stg-league-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-strength .stg-limit-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-strength .stg-next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-strength .stg-hero__inner {
    padding: var(--space-6) var(--space-4);
  }
}

@media (min-width: 900px) {
  .page-strength .stg-hero {
    padding-block: var(--space-6) var(--section-y);
  }

  .page-strength .stg-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: var(--space-8);
    padding: var(--space-8) var(--space-6);
  }

  .page-strength .stg-section__title {
    font-size: var(--text-3xl);
  }

  .page-strength .stg-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
    gap: var(--space-4);
  }

  .page-strength .stg-split--reverse {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
  }

  .page-strength .stg-split--reverse .stg-fig {
    margin-bottom: 0;
  }

  .page-strength .stg-split .stg-fig {
    margin-bottom: 0;
  }

  .page-strength .stg-callout {
    padding: var(--space-6) var(--space-4);
  }
}

@media (min-width: 1024px) {
  .page-strength .stg-layout {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-strength .stg-rail {
    position: sticky;
    top: calc(var(--header-h) + var(--space-3));
  }

  .page-strength .stg-league-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-strength .stg-section {
    padding-top: var(--space-6);
    margin-bottom: var(--section-y);
  }

  .page-strength .stg-section__head {
    margin-bottom: var(--space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-strength .stg-rail__link,
  .page-strength .stg-detail > summary,
  .page-strength .stg-detail > summary::after,
  .page-strength .stg-next__item {
    transition: none;
  }
}
<<<END>>>