/* ============================================================
   BMS&Co., /cases/, hub + páginas individuais
   Depende de: site.css (tokens, topbar, footer, breadcrumbs)
               servicos.css (srv-prose, srv-how, srv-list, srv-faq, srv-cta)
   ============================================================ */

/* ============================================================
   HUB, /cases/index.html
   ============================================================ */
.cases-hero {
  padding: clamp(80px, 12vw, 160px) 0 clamp(40px, 6vw, 80px);
  background: var(--bms-paper);
  border-bottom: 1px solid var(--bms-ink-10);
  position: relative;
}
.cases-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bms-grad-ambient);
  pointer-events: none;
}
.cases-hero > .wrap { position: relative; }
/* .cases-hero-kicker → agora vem de site.css (componente .hero-kicker unificado) */
/* .cases-hero h1 → agora vem de site.css (componente .hero-title unificado) */
/* .cases-hero-lead → agora vem de site.css (componente .hero-lead--lg --display) */

/* Telemetria hero -> .stat-grid em site.css (alias .cases-hero-stats) */

/* ============================================================
   FILTROS
   ============================================================ */
.cases-filters {
  padding: clamp(48px, 6vw, 80px) 0 clamp(32px, 4vw, 48px);
  border-bottom: 1px solid var(--bms-ink-10);
  position: sticky;
  /* topbar (site.css) is sticky at top:0; stack filters below it to avoid collision */
  top: 85px;
  z-index: 9;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bms-paper) 92%, transparent);
}
body.theme-dark .cases-filters {
  background: color-mix(in srgb, var(--bms-ink) 88%, transparent);
  border-bottom-color: var(--bms-paper-22);
}
.cases-filter-row {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  flex-wrap: wrap;
  padding: 8px 0;
}
.cases-filter-row + .cases-filter-row {
  border-top: 1px solid var(--bms-ink-10);
  padding-top: 20px;
  margin-top: 16px;
}
.cases-filter-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bms-ink-60);
  padding-top: 8px;
  min-width: 80px;
}
.cases-filter-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
}
.cases-filter-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 8px 14px;
  border: 1px solid var(--bms-ink-20);
  background: transparent;
  color: var(--bms-ink-80);
  cursor: pointer;
  transition: all 180ms ease;
  /* border-radius removed, brand uses chamfer, not rounded */
  text-transform: uppercase;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  line-height: 1;
}
.cases-filter-chip:hover {
  border-color: var(--bms-ink);
  color: var(--bms-ink);
}
.cases-filter-chip.active {
  background: var(--bms-ink);
  border-color: var(--bms-ink);
  color: var(--bms-paper);
}
.cases-filter-chip .count {
  opacity: 0.5;
  margin-left: 0;
  font-size: 10px;
  display: inline-block;
}
.cases-filter-chip.active .count { opacity: 0.7; }

.cases-filter-reset {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bms-ink-60);
  background: none;
  border: none;
  padding: 8px 0;
  cursor: pointer;
  text-decoration: underline;
}
.cases-filter-reset:hover { color: var(--bms-ink); }

.cases-filter-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bms-ink-60);
  padding: 8px 0;
}

/* ============================================================
   GRID DE CASES
   ============================================================ */
.cases-grid-section {
  padding: clamp(40px, 5vw, 72px) 0 clamp(80px, 10vw, 140px);
  background: var(--bms-paper);
}
.cases-grid-l {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

/* ============================================================
   CASE CARD · modifier .case-card--listing
   Estende a base .case-card de site.css. Layout de card enclosed
   (com fundo paper e borda), usado na listagem de /cases/.

   Variante .case-card--featured: hero horizontal do primeiro card.
   ============================================================ */
.case-card--listing {
  grid-column: span 6;
  background: var(--bms-paper);
  border: 1px solid var(--bms-ink-10);
  overflow: hidden;
  transition: all 220ms ease;
  min-height: 520px;
}
body.theme-dark .case-card--listing {
  background: var(--bms-surface-3);
  border-color: var(--bms-paper-14);
}
.case-card--listing .case-media {
  /* Reset do margin-bottom da base, listing tem body enclosed */
  margin-bottom: 0;
  /* Sem chanfro, o chanfro já vem da borda exterior se aplicado */
  clip-path: none;
}
.case-card--listing .case-body {
  padding: 28px 28px 32px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.case-card--listing:hover {
  border-color: var(--bms-ink-30);
  transform: translateY(-2px);
  box-shadow: 0 16px 48px -24px oklch(0 0 0 / 0.15);
}

/* Featured: primeiro card da listagem, layout horizontal */
.case-card--featured {
  grid-column: span 12;
  min-height: 640px;
  flex-direction: row;
}
.case-card--featured .case-media { flex: 1.2; aspect-ratio: auto; }
.case-card--featured .case-body { flex: 1; padding: 48px; }
.case-card--featured h3 { font-size: clamp(32px, 4vw, 56px); }
.case-card--featured p { font-size: 18px; margin-bottom: 32px; }
.case-card--featured .case-stat .n { font-size: 28px; }

/* Escondido por filtros */
.case-card.hidden { display: none; }

@media (max-width: 900px) {
  .case-card--listing,
  .case-card--featured { grid-column: span 12; min-height: 440px; }
  .case-card--featured { flex-direction: column; }
  .case-card--featured .case-body { padding: 28px; }
}

/* ============================================================
   PÁGINA INDIVIDUAL DE CASE, /cases/<slug>/
   ============================================================ */
.case-hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: flex-end;
  padding: clamp(80px, 10vw, 140px) 0 clamp(40px, 6vw, 80px);
  background: var(--bms-surface-0);
  color: var(--bms-paper);
  overflow: hidden;
}
.case-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.case-hero-media .placeholder {
  position: absolute;
  inset: 0;
  opacity: 0.85;
}
.case-hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bms-grad-scrim);
  z-index: 1;
}
.case-hero > .wrap { position: relative; z-index: 2; width: 100%; }

.case-hero-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bms-paper);
  opacity: 0.7;
  margin-bottom: 32px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}
.case-hero-meta .dot { opacity: 0.4; }
.case-hero-meta .frentes {
  display: inline-flex;
  gap: 6px;
  flex-wrap: wrap;
}
.case-hero-meta .frente-chip {
  padding: 4px 10px;
  border: 1px solid var(--bms-paper);
  /* border-radius removed, brand uses chamfer, not rounded */
  opacity: 0.85;
}

.case-hero h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--bms-hero-page);
  line-height: 0.95;
  letter-spacing: -0.035em;
  color: var(--bms-paper);
  margin: 0 0 32px;
  max-width: 18ch;
}
.case-hero h1 em { font-style: italic; font-weight: 300; color: var(--accent); }

.case-hero-sub {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.45;
  color: var(--bms-paper);
  opacity: 0.9;
  max-width: 60ch;
}

/* Telemetria principal do case */
.case-telemetria {
  background: var(--bms-ink);
  color: var(--bms-paper);
  padding: clamp(60px, 8vw, 100px) 0;
}
.case-telemetria-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid oklch(from var(--bms-paper) l c h / 0.15);
  border-bottom: 1px solid oklch(from var(--bms-paper) l c h / 0.15);
}
.case-telemetria-item {
  padding: 40px 32px;
  border-right: 1px solid oklch(from var(--bms-paper) l c h / 0.1);
}
.case-telemetria-item:last-child { border-right: none; }
.case-telemetria-item .n {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1;
  color: var(--bms-paper);
  letter-spacing: -0.03em;
}
.case-telemetria-item .n em { color: var(--accent); font-style: italic; }
.case-telemetria-item .l {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: oklch(from var(--bms-paper) l c h / 0.7);
  margin-top: 16px;
}
@media (max-width: 720px) {
  .case-telemetria-grid { grid-template-columns: repeat(2, 1fr); }
  .case-telemetria-item { border-right: none; border-bottom: 1px solid oklch(from var(--bms-paper) l c h / 0.1); }
  .case-telemetria-item:nth-child(odd) { border-right: 1px solid oklch(from var(--bms-paper) l c h / 0.1); }
}

/* Bloco de ficha técnica ao lado do case */
.case-ficha {
  background: var(--bms-paper);
  padding: clamp(60px, 8vw, 100px) 0;
  border-top: 1px solid var(--bms-ink-10);
}
.case-ficha-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(40px, 6vw, 96px);
}
@media (max-width: 900px) {
  .case-ficha-grid { grid-template-columns: 1fr; gap: 40px; }
}
.case-ficha-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bms-ink-60);
  margin-bottom: 32px;
}
.case-ficha h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 32px;
  color: var(--bms-ink);
}
.case-ficha-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--bms-ink-10);
}
.case-ficha-list li {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--bms-ink-10);
  font-family: var(--font-mono);
  font-size: 13px;
}
.case-ficha-list .k {
  color: var(--bms-ink-60);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 11px;
  padding-top: 2px;
}
.case-ficha-list .v {
  color: var(--bms-ink);
}

/* Bloco objetivo / solução / resultado */
.case-narrativa {
  background: var(--bms-paper);
  padding: clamp(60px, 8vw, 120px) 0;
  border-top: 1px solid var(--bms-ink-10);
}
.case-narrativa + .case-narrativa { border-top: none; padding-top: 0; }

.case-chapter-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.case-narrativa h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(32px, 4.8vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--bms-ink);
  margin: 0 0 40px;
  max-width: 18ch;
}
.case-narrativa h2 em { color: var(--accent); font-style: italic; }
.case-narrativa-body {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
@media (max-width: 900px) {
  .case-narrativa-body { grid-template-columns: 1fr; gap: 24px; }
}
.case-narrativa-body > .main {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
  color: var(--bms-ink-80);
}
.case-narrativa-body > .main p + p { margin-top: 1em; }
.case-narrativa-body > .main strong { font-weight: 500; color: var(--bms-ink); }

.case-narrativa-actions {
  list-style: none;
  padding: 0;
  margin: 0;
}
.case-narrativa-actions li {
  padding: 20px 0;
  border-bottom: 1px solid var(--bms-ink-10);
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  align-items: baseline;
}
.case-narrativa-actions li .num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
}
.case-narrativa-actions li strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  color: var(--bms-ink);
  margin-bottom: 4px;
}
.case-narrativa-actions li span.desc {
  display: block;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.5;
  color: var(--bms-ink-60);
}

/* Galeria */
.case-galeria {
  background: var(--bms-paper);
  padding: clamp(40px, 6vw, 80px) 0;
  border-top: 1px solid var(--bms-ink-10);
}
.case-galeria-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.case-galeria-item {
  position: relative;
  overflow: hidden;
  background: var(--bms-surface-2);
  aspect-ratio: 16 / 10;
}
.case-galeria-item.wide { grid-column: span 8; aspect-ratio: 16 / 9; }
.case-galeria-item.std { grid-column: span 4; aspect-ratio: 4 / 5; }
.case-galeria-item.full { grid-column: span 12; aspect-ratio: 21 / 9; }
.case-galeria-item.half { grid-column: span 6; }
@media (max-width: 720px) {
  .case-galeria-item, .case-galeria-item.wide, .case-galeria-item.std,
  .case-galeria-item.full, .case-galeria-item.half {
    grid-column: span 12;
    aspect-ratio: 16 / 10;
  }
}
.case-galeria-item .placeholder {
  position: absolute;
  inset: 0;
}
.case-galeria-item .caption {
  position: absolute;
  bottom: 16px;
  left: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bms-paper);
  background: oklch(0 0 0 / 0.5);
  backdrop-filter: blur(8px);
  padding: 6px 10px;
  /* border-radius removed, brand uses chamfer, not rounded */
}

/* Frentes envolvidas */
.case-frentes {
  background: var(--bms-paper);
  padding: clamp(60px, 8vw, 100px) 0;
  border-top: 1px solid var(--bms-ink-10);
}
.case-frentes-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 20px;
}
.case-frentes h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(32px, 4.8vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--bms-ink);
  margin: 0;
}
.case-frentes h2 em { color: var(--accent); font-style: italic; }

.case-frentes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.case-frentes-card {
  display: block;
  padding: 32px;
  border: 1px solid var(--bms-ink-10);
  text-decoration: none;
  color: inherit;
  transition: all 200ms;
}
.case-frentes-card:hover {
  border-color: var(--bms-ink);
  background: oklch(from var(--accent) l c h / 0.04);
}
.case-frentes-card .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--bms-ink-60);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.case-frentes-card h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  color: var(--bms-ink);
  margin: 0 0 10px;
}
.case-frentes-card p {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.5;
  color: var(--bms-ink-60);
  margin: 0;
}
.case-frentes-card .arrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bms-ink);
  margin-top: 20px;
  display: inline-flex;
  gap: 8px;
  transition: gap 180ms;
}
.case-frentes-card:hover .arrow { gap: 14px; }

/* Relacionados */
.case-related {
  background: var(--bms-paper);
  padding: clamp(60px, 8vw, 100px) 0;
  border-top: 1px solid var(--bms-ink-10);
}
.case-related-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 40px;
}
.case-related h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 4vw, 48px);
  color: var(--bms-ink);
  margin: 0;
  letter-spacing: -0.02em;
}
.case-related a.all {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bms-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--bms-ink);
  padding-bottom: 2px;
}
.case-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) {
  .case-related-grid { grid-template-columns: 1fr; }
}
.case-related-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--bms-ink-10);
  overflow: hidden;
  transition: all 200ms;
}
.case-related-card:hover {
  border-color: var(--bms-ink-30);
  transform: translateY(-2px);
}
.case-related-card .placeholder {
  aspect-ratio: 16 / 10;
  width: 100%;
}
.case-related-card .body { padding: 20px 22px 24px; }
.case-related-card .meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bms-ink-60);
  margin-bottom: 10px;
}
.case-related-card h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.15;
  color: var(--bms-ink);
  margin: 0;
}

/* CTA canonico em site.css (aliases .case-cta, .case-cta-btn) */