/* Estudos e boletins: componentes opcionais, leitura e evidência documental. */
.case-hero__grid { grid-template-columns: minmax(0,1.8fr) minmax(300px,1fr); align-items: start; gap: var(--component-gap, clamp(32px,4vw,64px)); }
.case-hero__grid > *, .case-hero aside, .case-section__header > *, .content-block, .result-card, .method-step__body { min-width: 0; }
.case-hero aside { font-size: 15px; line-height: 1.5; }
.case-hero aside strong { font-weight: 500; overflow-wrap: break-word; }
.case-aside__label { font-size: 13px; letter-spacing: .06em; }
.case-aside__value { font-size: 15px; line-height: 1.5; }
.case-aside__value--lg { font-weight: 400; }
.case-section__header { grid-template-columns: minmax(0,1.1fr) minmax(0,1fr); align-items: start; margin-bottom: clamp(24px,3vw,40px); }
.case-section__header > div:first-child { display: block; }
.case-section__header > div:last-child, .case-section__header .h-section { grid-column: auto; grid-row: auto; }
.case-section__header :is(h2,.lead) { margin-top: 0; padding-top: 0; }
.case-section__num { color: var(--text-body-soft); font-size: 13px; font-weight: 400; letter-spacing: .06em; margin-bottom: 16px; }
.case-section--dark .case-section__num { color: rgba(255,255,255,.78); }
.case-section .two-col { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,320px),1fr)); gap: 24px; }
.case-section .two-col:has(> article:nth-child(4):last-child) { grid-template-columns: repeat(2,minmax(0,1fr)); }
.case-section .content-block { padding: clamp(20px,2.5vw,32px); }
.case-section .content-block p, .case-section .method-step__body p { font-size: 16px; line-height: 1.65; }
.content-block h3 { margin-bottom: 12px; }
.method-step__body h3 { font-size: 18px; }
.case-section .results-grid { grid-template-columns: repeat(auto-fit,minmax(min(100%,300px),1fr)); gap: 24px; }
.result-card h3 { font-size: 18px; line-height: 1.4; }
.result-card p { font-size: 16px; line-height: 1.6; }
.result-card a { margin-top: auto; padding-block: 8px; color: var(--color-white); }
.case-panel-tabs { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.case-panel-tabs button { min-height: 44px; padding: 12px 16px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); background: var(--color-white); color: var(--color-primary); font: inherit; font-weight: 500; text-align: left; cursor: pointer; }
.case-panel-tabs button[aria-selected="true"] { background: var(--color-primary); color: var(--color-white); }
.case-panels { display: grid; gap: 24px; }
.case-panels [hidden], .bi-frame-wrapper [hidden] { display: none !important; }
.bi-header__title { font-size: 16px; line-height: 1.5; margin: 0; }
.bi-frame-wrapper, .bi-frame-wrapper.bi-tall { height: clamp(280px,42vw,520px); padding-bottom: 0; min-height: 0; aspect-ratio: auto; }
.bi-frame-wrapper[data-state="error"], .bi-frame-wrapper[data-state="queued"] { height: auto; min-height: 180px; }
.bi-preview { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; min-height: 180px; padding: 32px; text-align: center; }
.bi-preview strong { font-weight: 600; font-size: 18px; color: var(--color-primary); }
.bi-preview p { font-size: 16px; line-height: 1.5; color: var(--text-body-soft); max-width: 54ch; }
.bi-frame-wrapper[data-state="loading"] .bi-preview { height: 100%; }
.bi-frame-wrapper[data-state="loading"] .bi-preview::before { content: ''; width: 44px; height: 4px; background: var(--border-strong); border-radius: 2px; animation: case-loading 1.4s ease-in-out infinite alternate; }
.bi-actions { padding: 16px 24px; border-top: 1px solid var(--border-soft); }
.bi-actions .btn { min-height: 44px; white-space: normal; text-align: center; }
.pdf-canvas-wrapper { height: clamp(320px,55vh,600px); min-height: 0; }
.pdf-viewer[data-state="error"] .pdf-canvas-wrapper { height: 320px; }
.pdf-preview { display: flex; flex-direction: column; align-items: center; gap: 12px; min-width: 0; max-width: 100%; height: 100%; padding: 0; color: var(--color-white); text-align: center; }
.pdf-preview img { min-height: 0; width: auto; max-width: 100%; flex: 1; object-fit: contain; }
.pdf-status { font-size: 14px; line-height: 1.5; flex-shrink: 0; max-width: 56ch; }
.pdf-direct-link { display: inline-flex; align-items: center; min-height: 44px; font-size: 15px; font-weight: 500; }
.pdf-doc-tab { white-space: normal; font-size: 15px; min-height: 44px; }
.pdf-toolbar__title, .pdf-nav__info, .pdf-modal__title { font-size: 15px; }
.pdf-toolbar__badge, .pdf-footer p, .pdf-protection-notice { font-size: 13px; letter-spacing: 0; }
.case-nav__link { font-size: 14px; }
.case-section a:focus-visible, .case-section button:focus-visible, .case-panel-tabs button:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
@container page-layout (max-width: 1000px) {
  .case-hero__grid, .case-section__header { grid-template-columns: minmax(0,1fr); gap: 24px; }
  .case-section__header > div:last-child { grid-column: 1; grid-row: auto; }
}
@container page-layout (max-width: 600px) {
  .method-step { gap: 16px; }
  .method-step__num { width: 40px; height: 40px; }
  .method-step__body { padding-top: 0; }
  .methodology-steps::before { display: none; }
  .bi-header, .bi-actions, .bi-preview { padding: 20px; }
  .bi-actions .btn { width: 100%; }
  .pdf-toolbar, .pdf-footer { padding-inline: 16px; }
}
@container page-layout (min-width: 1080px) {
  .case-section .two-col:has(> article:nth-child(4):last-child) { grid-template-columns: repeat(4,minmax(0,1fr)); }
}
@container page-layout (max-width: 660px) {
  .case-section .two-col:has(> article:nth-child(4):last-child) { grid-template-columns: minmax(0,1fr); }
}
@keyframes case-loading { from { opacity: .4; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .bi-preview::before { animation: none !important; } }

/* Consulta integral de PDF. Este componente não oferece distribuição do original. */
.case-pdf { min-width: 0; max-width: 100%; border: 1px solid var(--border-soft); border-radius: var(--radius-lg); background: var(--color-white); overflow: clip; box-shadow: 0 8px 24px rgba(0,20,70,.06); container: document-viewer / inline-size; }
.case-pdf [hidden] { display: none !important; }
.case-pdf__header { display: flex; align-items: center; gap: 16px; padding: 20px 24px; background: var(--color-primary); color: var(--color-white); }
.case-pdf__title { min-width: 0; flex: 1; font-size: 16px; font-weight: 600; line-height: 1.5; margin: 0; color: var(--color-white); }
.case-pdf__badge { font-size: 14px; font-weight: 400; flex-shrink: 0; }
.case-pdf__tabs { display: flex; flex-wrap: wrap; gap: 8px; padding: 16px; border-bottom: 1px solid var(--border-soft); }
.case-pdf__tabs button { flex: 1 1 250px; min-width: 0; padding: 12px 16px; min-height: 48px; border: 1px solid var(--border-strong); background: var(--color-white); color: var(--color-primary); border-radius: var(--radius-sm); text-align: left; font: inherit; font-weight: 500; line-height: 1.4; cursor: pointer; }
.case-pdf__tabs button[aria-selected="true"] { background: var(--color-primary); color: var(--color-white); }
.case-pdf__controls { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 24px; padding: 16px 24px; border-bottom: 1px solid var(--border-soft); }
.case-pdf__pages, .case-pdf__zoom { display: flex; align-items: center; justify-content: center; gap: 8px; min-width: 0; flex-wrap: wrap; }
.case-pdf__controls button { min-width: 44px; min-height: 44px; padding: 8px 12px; font: inherit; font-weight: 500; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); background: var(--color-white); color: var(--color-primary); cursor: pointer; transition: background-color 180ms, color 180ms; }
.case-pdf__controls button:hover:not(:disabled) { background: var(--color-primary); color: var(--color-white); }
.case-pdf__controls button:disabled { opacity: .45; cursor: default; }
.case-pdf__page-info { font-size: 16px; line-height: 1.4; text-align: center; min-width: 130px; }
.case-pdf__zoom-info { min-width: 48px; text-align: center; font-size: 15px; }
.case-pdf__jump { display: flex; align-items: center; gap: 8px; font-size: 15px; flex: 0 0 auto; white-space: nowrap; }
.case-pdf__jump input { width: 72px; min-height: 44px; padding: 8px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); font: inherit; color: var(--color-primary); background: var(--color-white); }
.case-pdf__viewport { width: 100%; min-width: 0; height: auto; aspect-ratio: var(--case-pdf-page-ratio,.707107); min-height: 320px; max-height: min(82svh,1120px); display: flex; flex-direction: column; align-items: safe center; justify-content: safe center; overflow: auto; padding: 16px; background: #2b2b2b; overscroll-behavior: contain; scrollbar-gutter: stable both-edges; position: relative; }
.case-pdf__stage { position: relative; flex-shrink: 0; background: white; }
.case-pdf__stage canvas { display: block; max-width: none; }
/* Posições tipográficas fornecidas pelo PDF.js; tipografia da interface é Poppins. */
.case-pdf__text-layer { position: absolute; inset: 0; text-align: initial; overflow: clip; line-height: 1; text-size-adjust: none; forced-color-adjust: none; transform-origin: 0 0; }
.case-pdf__text-layer :is(span,br) { position: absolute; color: transparent; white-space: pre; cursor: text; transform-origin: 0 0; }
.case-pdf__text-layer span.markedContent { top: 0; height: 0; }
.case-pdf__text-layer ::selection { background: rgba(90,145,230,.35); }
.case-pdf__status { height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 24px; padding: 24px; text-align: center; color: white; }
.case-pdf__status p { font-size: 16px; line-height: 1.5; color: var(--color-white); }
.case-pdf__status .btn { background: var(--color-white); color: var(--color-primary); border-color: var(--color-white); }
.case-pdf__status .btn:focus-visible { outline-color: var(--color-white); }
.case-pdf__skeleton { width: min(100%,380px); height: min(55%,300px); border-radius: var(--radius-sm); background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); }
.case-pdf[data-state="error"] .case-pdf__viewport { height: 320px; }
.case-pdf[data-state="error"] .case-pdf__skeleton { display: none; }
.case-pdf__footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding: 16px 24px; font-size: 14px; line-height: 1.5; color: var(--text-body-soft); }
.case-pdf__transcript { border-top: 1px solid var(--border-soft); padding: 16px 24px; }
.case-pdf__transcript summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; font-weight: 500; color: var(--color-primary); }
.case-pdf__accessible-text { max-height: 480px; overflow: auto; font-size: 16px; line-height: 1.6; }
.case-pdf__accessible-text p { margin-block: 12px; }
.case-pdf__noscript { padding: 24px; font-size: 16px; }
.case-pdf :is(button,input,summary):focus-visible, .case-pdf:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
.case-pdf__viewport:focus-visible { outline: 2px solid white; outline-offset: -4px; }
@container document-viewer (max-width: 700px) {
  .case-pdf__controls { justify-content: center; gap: 12px; padding: 16px; }
  .case-pdf__pages { width: 100%; justify-content: space-between; }
  .case-pdf__zoom { flex: 1 1 280px; }
  .case-pdf__header { flex-wrap: wrap; padding: 16px; gap: 8px; }
  .case-pdf__title { flex-basis: 100%; }
  .case-pdf__footer, .case-pdf__transcript { padding-inline: 16px; }
}