/* Páginas de case (/cases, /cases/:slug) — só o que é novo; base (.wrap, .btn, .nav, .section-kicker, .qual-*) vem do styles.css */
.case-page { --case-gap: clamp(48px, 7vw, 96px); }
.case-page main { position: relative; z-index: 2; padding-bottom: var(--case-gap); }
.case-page :focus-visible { outline: 2px solid var(--accent-3); outline-offset: 3px; }

.case-skip { position: absolute; left: 16px; top: -60px; z-index: 100; background: #fff; color: #000; padding: 10px 16px; font-weight: 600; }
.case-skip:focus { top: 12px; }

/* breadcrumb */
.case-crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 0; padding: 0; font-family: "JetBrains Mono", monospace; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.case-crumbs li + li::before { content: "›"; margin-right: 8px; color: var(--ink-4); }
.case-crumbs a:hover { color: #fff; }
.case-crumbs [aria-current] { color: var(--ink-2); }

/* hero */
.case-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(28px, 4vw, 64px); align-items: center; padding: clamp(32px, 5vw, 64px) 0 clamp(32px, 4vw, 48px); }
.case-hero-simple { grid-template-columns: 1fr; max-width: 760px; }
.case-h1 { font-family: var(--display); font-weight: 600; font-size: clamp(30px, 4vw, 52px); line-height: 1.08; letter-spacing: -0.035em; margin: 0; overflow-wrap: anywhere; }
.case-lead { font-size: clamp(16px, 1.3vw, 18px); line-height: 1.6; color: var(--ink-2); margin: 20px 0 0; max-width: 60ch; }
.case-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.case-actions .btn { border-radius: 2px; }
.case-hero-media { margin: 0; border: 1px solid var(--line); background: var(--bg-3); }
.case-hero-media img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }

/* faixa de dados */
.case-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); margin: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.case-facts > div { padding: 20px 20px 20px 0; }
.case-facts dt { font-family: "JetBrains Mono", monospace; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 6px; }
.case-facts dd { margin: 0; font-size: 14px; line-height: 1.5; color: #fff; }

/* títulos de seção */
.case-h2 { font-family: var(--display); font-weight: 600; font-size: clamp(22px, 2.2vw, 30px); line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 20px; }

/* highlights + results */
.case-highlights, .case-results, .case-related, .case-final { margin-top: var(--case-gap); }
.case-highlights-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.case-card { padding: 24px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); }
.case-card h3 { font-size: 16px; font-weight: 600; margin: 0 0 8px; }
.case-card p { margin: 0; color: var(--ink-2); font-size: 14px; line-height: 1.6; }
.case-results-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.case-results-grid li { padding: 24px; border-left: 2px solid var(--accent); background: rgba(255, 255, 255, 0.02); display: flex; flex-direction: column; gap: 6px; }
.case-results-grid strong { font-size: clamp(30px, 3vw, 42px); font-weight: 600; letter-spacing: -0.03em; }
.case-results-grid span { color: var(--ink-2); font-size: 14px; line-height: 1.5; }
.case-results-grid small { color: var(--ink-3); font-size: 11px; }

/* corpo + sidebar */
.case-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(32px, 5vw, 80px); align-items: start; margin-top: var(--case-gap); }
.case-body { max-width: 720px; min-width: 0; }
.case-section { scroll-margin-top: 96px; }
.case-section + .case-section { margin-top: 56px; }
.case-body p, .case-body li { font-size: 16px; line-height: 1.75; color: var(--ink-2); }
.case-body p { margin: 0 0 18px; }
.case-body h3 { font-size: 18px; font-weight: 600; margin: 32px 0 12px; color: #fff; }
.case-body ul, .case-body ol { margin: 0 0 18px; padding-left: 22px; }
.case-body li { margin-bottom: 6px; }
.case-body li::marker { color: var(--accent-2); }
.case-figure { margin: 28px 0; }
.case-figure img { width: 100%; height: auto; border: 1px solid var(--line); }
.case-figure figcaption, .case-video figcaption, .case-gallery-cap { font-size: 12px; color: var(--ink-3); margin-top: 8px; line-height: 1.5; }
.case-quote { margin: 28px 0; padding: 4px 0 4px 20px; border-left: 2px solid var(--accent); }
.case-quote p { color: #fff; font-size: 18px; line-height: 1.6; margin: 0 0 8px; }
.case-quote cite { font-style: normal; font-size: 13px; color: var(--ink-3); }

.case-aside { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 16px; }
.case-aside-card { padding: 22px; border: 1px solid var(--line); background: var(--bg-3); }
.case-aside-card p { margin: 0 0 16px; font-size: 14px; line-height: 1.6; color: var(--ink-2); }
.case-aside-card .btn { width: 100%; border-radius: 2px; }
.case-aside-cta { border-color: rgba(136, 65, 229, 0.45); }
.case-aside-title { color: #fff !important; font-weight: 600; font-size: 16px !important; margin-bottom: 8px !important; }
.case-aside-wa { display: block; margin-top: 12px; font-size: 13px; color: var(--ink-2); text-decoration: underline; text-underline-offset: 3px; }
.case-aside-wa:hover { color: #fff; }
.case-toc ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.case-toc a { display: block; padding: 6px 0; font-size: 13px; color: var(--ink-2); line-height: 1.4; }
.case-toc a:hover { color: #fff; }

/* galeria */
.case-gallery { list-style: none; padding: 0 !important; margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.case-gallery li { margin: 0 !important; }
.case-gallery-item { display: block; border: 1px solid var(--line); background: var(--bg-3); overflow: hidden; cursor: zoom-in; }
.case-gallery-item img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; transition: transform 0.5s var(--ease); }
.case-gallery-item:hover img { transform: scale(1.03); }

.case-lightbox { border: 0; padding: 0; background: transparent; max-width: 96vw; max-height: 96vh; overflow: visible; color: #fff; }
.case-lightbox::backdrop { background: rgba(0, 0, 0, 0.9); }
.case-lightbox figure { margin: 0; }
.case-lightbox img { max-width: 92vw; max-height: 84vh; width: auto; height: auto; }
.case-lightbox figcaption { font-size: 13px; color: var(--ink-2); margin-top: 10px; text-align: center; }
.case-lightbox-close, .case-lightbox-nav { position: fixed; background: rgba(0, 0, 0, 0.6); border: 1px solid var(--line-2); color: #fff; width: 44px; height: 44px; font-size: 24px; cursor: pointer; display: grid; place-items: center; }
.case-lightbox-close { top: 16px; right: 16px; }
.case-lightbox-nav { top: 50%; transform: translateY(-50%); }
.case-lightbox-nav.prev { left: 16px; }
.case-lightbox-nav.next { right: 16px; }

/* vídeos */
.case-video { margin: 0 0 24px; }
.case-yt { position: relative; display: block; aspect-ratio: 16 / 9; background: #000; border: 1px solid var(--line); overflow: hidden; }
.case-yt img { width: 100%; height: 100%; object-fit: cover; opacity: 0.8; }
.case-yt-play { position: absolute; inset: 0; margin: auto; width: 68px; height: 68px; border-radius: 50%; background: var(--accent); display: grid; place-items: center; font-size: 22px; padding-left: 4px; }
.case-yt:hover .case-yt-play { background: #7a37d3; }
.case-video iframe, .case-video video { width: 100%; aspect-ratio: 16 / 9; height: auto; border: 0; background: #000; }

/* faq */
.case-faq details { border-bottom: 1px solid var(--line); }
.case-faq summary { cursor: pointer; list-style: none; padding: 18px 32px 18px 0; position: relative; font-weight: 600; font-size: 16px; line-height: 1.45; color: #fff; }
.case-faq summary::-webkit-details-marker { display: none; }
.case-faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-size: 20px; color: var(--ink-3); }
.case-faq details[open] summary::after { content: "–"; color: var(--accent-2); }
.case-faq details p { margin: 0 0 18px; }

/* relacionados / índice */
.case-related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.case-index-grid { margin-top: 8px; }
.case-related-card { border: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); transition: border-color 0.3s; }
.case-related-card:hover { border-color: rgba(255, 255, 255, 0.45); }
.case-related-link { display: flex; flex-direction: column; height: 100%; }
.case-related-link img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.case-related-body { display: flex; flex-direction: column; gap: 8px; padding: 20px; flex: 1; }
.case-label { font-family: "JetBrains Mono", monospace; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); }
.case-related-title { font-size: 18px; font-weight: 600; }
.case-related-result { font-size: 14px; color: var(--ink-2); line-height: 1.5; }
.case-related-cta { margin-top: auto; padding-top: 8px; font-size: 13px; font-weight: 600; color: var(--accent-3); }

/* cta final + 404 */
.case-final { padding: clamp(32px, 5vw, 56px); border: 1px solid var(--line); background: var(--bg-3); text-align: center; }
.case-final p { color: var(--ink-2); max-width: 56ch; margin: 0 auto; line-height: 1.6; }
.case-final .case-actions { justify-content: center; }
.case-404 { padding: clamp(64px, 12vw, 160px) 0 40px; max-width: 760px; }

/* rodapé enxuto */
.case-footer { margin-top: 0; padding: 56px 0 32px; }
.case-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.4fr; gap: 32px; }
.case-footer-text { color: var(--ink-3); font-size: 13px; line-height: 1.6; max-width: 40ch; margin: 16px 0 0; }
.case-footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: 13px; color: var(--ink-2); }
.case-footer-links a:hover { color: #fff; }
.case-footer-bar { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); font-family: "JetBrains Mono", monospace; font-size: 10px; letter-spacing: 0.08em; color: var(--ink-3); }

@media (max-width: 1000px) {
  .case-hero { grid-template-columns: 1fr; }
  .case-layout { grid-template-columns: 1fr; }
  .case-aside { position: static; }
  .case-body { max-width: none; }
}
@media (max-width: 640px) {
  .case-gallery { grid-template-columns: 1fr; }
  .case-footer-grid { grid-template-columns: 1fr; }
  .case-actions .btn { flex: 1 1 100%; }
  .case-nav .btn { padding: 9px 14px; font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .case-gallery-item img { transition: none; }
}