/* page2: cases — #case-studies ("Case Studies").
   An editorial index of ten numbered entries over an open article: meta line, title, a ruled table of the runs compared,
   the paper figure mounted as a white plate, and the summary in Newsreader beside a quiet takeaway.
   Everything is scoped to #case-studies: the tab, badge and takeaway classes are shared with #side-by-side. */

/* ---------- section heading: keep base.css's left-aligned frame
   (osworld-official-match.css centres .section-heading and its deck with higher-specificity !important rules) ---------- */
body.p2 #case-studies .section-heading {
  display: block !important;
  margin: 0 0 48px !important;
  text-align: left !important;
}

body.p2 #case-studies .section-heading > .column {
  max-width: 900px !important;
  margin: 0 !important;
  text-align: left !important;
}

body.p2 #case-studies .section-heading .title.is-2 { margin: 0 0 16px !important; }

body.p2 #case-studies .section-heading .section-deck {
  max-width: 64ch;
  margin: 0 !important;
  text-align: left !important;
}

body.p2 #case-studies .osci-tabs-block { margin: 0; }

/* ---------- index of the ten cases ---------- */
body.p2 #case-studies .osci-case-tabs {
  counter-reset: p2-case;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  grid-auto-rows: auto;
  column-gap: 28px;
  row-gap: 0;
  margin: 0 0 64px;
  border-bottom: 1px solid var(--p2-line);
}

body.p2 #case-studies .osci-case-tabs .osci-tab {
  counter-increment: p2-case;
  position: relative;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-content: start;
  column-gap: 0;
  row-gap: 8px;
  min-width: 0;
  margin: 0;
  padding: 16px 0 22px;
  border: 0;
  border-top: 1px solid var(--p2-line-strong);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: var(--p2-ink-2);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

/* the two rows of five share label and title rows, so titles line up across a row */
@supports (grid-template-rows: subgrid) {
  body.p2 #case-studies .osci-case-tabs { grid-template-rows: repeat(2, auto auto); }
  body.p2 #case-studies .osci-case-tabs .osci-tab { grid-row: span 2; grid-template-rows: subgrid; }
}

body.p2 #case-studies .osci-case-tabs .osci-tab::before {
  content: counter(p2-case, decimal-leading-zero);
  grid-column: 1;
  grid-row: 1;
  font: 500 12px/1.45 var(--p2-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--p2-faint);
  transition: color 0.15s ease;
}

/* 2px ink bar over the hairline marks the open case; drawn as an overlay so nothing shifts */
body.p2 #case-studies .osci-case-tabs .osci-tab::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--p2-ink);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s ease;
}

body.p2 #case-studies .osci-case-tabs .osci-tab span {
  grid-column: 2;
  grid-row: 1;
  align-self: start;
  font: 400 12px/1.45 var(--p2-mono);
  letter-spacing: 0.01em;
  color: var(--p2-muted);
}

body.p2 #case-studies .osci-case-tabs .osci-tab strong {
  grid-column: 2;
  grid-row: 2;
  align-self: start;
  font: 550 15px/1.32 var(--p2-display);
  letter-spacing: -0.006em;
  color: var(--p2-ink-2);
  text-wrap: pretty;
  transition: color 0.15s ease;
}

body.p2 #case-studies .osci-case-tabs .osci-tab:hover { border-top-color: var(--p2-ink-2); }
body.p2 #case-studies .osci-case-tabs .osci-tab:hover strong { color: var(--p2-ink); }

body.p2 #case-studies .osci-case-tabs .osci-tab.is-active { border-color: var(--p2-line-strong); background: transparent; }
body.p2 #case-studies .osci-case-tabs .osci-tab.is-active::after { transform: scaleX(1); }
body.p2 #case-studies .osci-case-tabs .osci-tab.is-active::before { color: var(--p2-ink); }
body.p2 #case-studies .osci-case-tabs .osci-tab.is-active span { color: var(--p2-ink-2); }
body.p2 #case-studies .osci-case-tabs .osci-tab.is-active strong { color: var(--p2-ink); }

body.p2 #case-studies .osci-case-tabs .osci-tab:focus-visible {
  outline: 2px solid var(--p2-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ---------- the open case: an article on the paper ground, no card ---------- */
body.p2 #case-studies .osci-case {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

body.p2 #case-studies .osci-case[hidden] { display: none; }

body.p2 #case-studies .osci-case-head { max-width: 100%; }

body.p2 #case-studies .osci-kicker {
  max-width: 110ch;
  margin: 0 0 14px;
  font: 400 12.5px/1.55 var(--p2-mono);
  letter-spacing: 0.01em;
  color: var(--p2-muted);
}

body.p2 #case-studies .osci-case-head h3 {
  max-width: 34ch;
  margin: 0 0 18px;
  font: 600 clamp(1.9rem, 2.6vw, 2.35rem)/1.1 var(--p2-display);
  font-stretch: 96%;
  letter-spacing: -0.022em;
  color: var(--p2-ink);
  text-wrap: balance;
}

body.p2 #case-studies .osci-case-meta {
  max-width: 100ch;
  margin: 0 0 28px;
  font: 400 15px/1.55 var(--p2-display);
  color: var(--p2-ink-2);
}

body.p2 #case-studies .osci-case-meta span {
  margin-right: 12px;
  font: 500 11.5px/1 var(--p2-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--p2-muted);
}

body.p2 #case-studies .osci-case-meta em {
  margin-left: 2px;
  padding: 0;
  font-style: normal;
  color: var(--p2-muted);
  background: transparent !important;
  border-color: transparent !important;
}

/* runs compared: a ruled three-column table (outcome, model, what happened) */
body.p2 #case-studies .osci-case-runs {
  display: grid;
  grid-template-columns: max-content max-content minmax(0, 1fr);
  column-gap: 24px;
  row-gap: 0;
  margin: 0 0 48px;
  padding: 0;
  border-top: 1px solid var(--p2-ink);
  border-bottom: 1px solid var(--p2-line);
  list-style: none;
}

body.p2 #case-studies .osci-case-runs li {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: max-content max-content minmax(0, 1fr);
  column-gap: 24px;
  align-items: baseline;
  margin: 0;
  padding: 12px 0;
  border-top: 1px solid var(--p2-line);
  font: 400 14.5px/1.5 var(--p2-display);
}

body.p2 #case-studies .osci-case-runs li:first-child { border-top: 0; }

@supports (grid-template-columns: subgrid) {
  body.p2 #case-studies .osci-case-runs li { grid-template-columns: subgrid; }
}

body.p2 #case-studies .osci-case-runs .osci-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  justify-content: flex-start;
  min-width: 0;
  height: 22px;
  padding: 0 8px 0 7px;
  border: 1px solid;
  border-radius: 2px;
  font: 500 11px/1 var(--p2-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  align-self: baseline;
  transform: translateY(-1px);
}

body.p2 #case-studies .osci-case-runs .osci-badge::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  background: currentColor;
}

body.p2 #case-studies .osci-badge.is-pass { color: #145c35; background: #f1f7f2; border-color: #b9d8c4; }
body.p2 #case-studies .osci-badge.is-fail { color: #8f2020; background: #fbf2f1; border-color: #e6c0bd; }
body.p2 #case-studies .osci-badge.is-mid { color: #7a4c0a; background: #fbf6ec; border-color: #e6d1a8; }
body.p2 #case-studies .osci-badge.is-score { color: var(--p2-ink-2); background: var(--p2-surface); border-color: var(--p2-line-strong); }

body.p2 #case-studies .osci-model-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 600 14.5px/1.5 var(--p2-display);
  letter-spacing: -0.004em;
  color: var(--p2-ink);
  white-space: nowrap;
}

body.p2 #case-studies .osci-model-chip img {
  width: 15px;
  height: 15px;
  flex: 0 0 15px;
  object-fit: contain;
  transform: translateY(2px);
  align-self: flex-start;
}

body.p2 #case-studies .osci-case-run-label {
  color: var(--p2-ink-2);
  font-variant-numeric: tabular-nums;
}

/* ---------- the paper figure, mounted as a white plate ---------- */
body.p2 #case-studies .osci-case-figure { margin: 0; }

body.p2 #case-studies .osci-case-figure .osci-figure-link {
  display: block;
  padding: 28px;
  border: 1px solid var(--p2-line);
  border-radius: var(--p2-radius);
  background: var(--p2-surface);
  transition: border-color 0.2s ease;
}

body.p2 #case-studies .osci-case-figure .osci-figure-link:hover { border-color: var(--p2-line-strong); }

body.p2 #case-studies .osci-case-figure img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
  border: 0;
  border-radius: 0;
  background: var(--p2-surface);
}

body.p2 #case-studies .osci-case-figure figcaption {
  max-width: 108ch;
  margin: 16px 0 0;
  font: 400 13.5px/1.6 var(--p2-display);
  color: var(--p2-ink-2);
}

body.p2 #case-studies .osci-case-note {
  max-width: 108ch;
  margin: 10px 0 0;
  font: 400 13px/1.55 var(--p2-display);
  font-style: normal;
  color: var(--p2-muted);
}

/* ---------- summary (Newsreader) beside the takeaway ---------- */
body.p2 #case-studies .osci-case-text {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 330px);
  grid-template-rows: auto 1fr;
  column-gap: 72px;
  max-width: none;
  margin: 56px 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--p2-line);
}

body.p2 #case-studies .osci-case-text h4 {
  grid-column: 1;
  grid-row: 1;
  margin: 0 0 14px;
  font: 500 12px/1.4 var(--p2-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--p2-muted);
}

body.p2 #case-studies .osci-case-text > p {
  grid-column: 1;
  grid-row: 2;
  max-width: 68ch;
  margin: 0;
  font: 400 1.1rem/1.62 var(--p2-serif);
  color: var(--p2-ink-2);
  hanging-punctuation: first;
}

body.p2 #case-studies .osci-takeaway {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: start;
  margin: 0;
  padding: 0 0 2px 20px;
  border: 0;
  border-left: 2px solid var(--p2-ink);
  border-radius: 0;
  background: transparent;
}

body.p2 #case-studies .osci-takeaway span {
  display: block;
  margin: 0 0 12px;
  font: 500 12px/1.4 var(--p2-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--p2-ink);
}

body.p2 #case-studies .osci-takeaway p {
  margin: 0;
  font: 500 16px/1.5 var(--p2-display);
  letter-spacing: -0.004em;
  color: var(--p2-ink);
  text-wrap: pretty;
}

/* ---------- narrower desktops ---------- */
@media (max-width: 1100px) {
  body.p2 #case-studies .osci-case-tabs { column-gap: 20px; }
  body.p2 #case-studies .osci-case-text { column-gap: 48px; grid-template-columns: minmax(0, 1fr) minmax(0, 290px); }
}

@media (max-width: 980px) {
  body.p2 #case-studies .osci-case-tabs { grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-rows: none; }
  body.p2 #case-studies .osci-case-tabs .osci-tab { grid-row: auto; grid-template-rows: auto auto; }
  body.p2 #case-studies .osci-case-text { grid-template-columns: minmax(0, 1fr); }
  body.p2 #case-studies .osci-takeaway { grid-column: 1; grid-row: 3; margin-top: 28px; }
}

/* phones: hand the index back to osci-stories.css's sideways-scrolling strip */
@media (max-width: 720px) {
  body.p2 #case-studies .osci-case-tabs { display: flex; overflow-x: auto; column-gap: 16px; }
  body.p2 #case-studies .osci-case-tabs .osci-tab { flex: 0 0 62%; }
  body.p2 #case-studies .osci-case-runs,
  body.p2 #case-studies .osci-case-runs li { grid-template-columns: minmax(0, 1fr); }
}