/* Case study (ex.: /case-studies/fnol/). Usa o article.css (cabeçalho, progresso, índice lateral,
   tipografia do texto) e acrescenta só o que é próprio de um case study. */

.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
html:not([lang^="en"]) .sr-only.t-en,html[lang^="en"] .sr-only.t-pt{display:none}

/* Topo */
.case-page .art-hero h1{font-size:clamp(64px,10vw,150px);letter-spacing:-.075em;line-height:.85;margin:28px 0 28px}
.case-page .art-sub{max-width:40ch}
.case-facts{display:grid;grid-template-columns:1fr 1fr;gap:20px 24px;margin:34px 0 0;padding-top:20px;border-top:1px solid var(--line)}
.case-facts div{min-width:0}
.case-facts dt{font-size:11px;text-transform:uppercase;letter-spacing:.11em;color:var(--muted);margin-bottom:6px}
.case-facts dd{margin:0;font-size:15px;letter-spacing:-.02em;line-height:1.3}
.case-cover{-webkit-mask-image:none;mask-image:none;min-height:0}
.case-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:28% 40%;border-radius:4px;display:block}
@media(max-width:800px){.case-cover{min-height:0;aspect-ratio:891/748;order:2}}

/* Bolhas de navegação rápida (por baixo do topo) */
.case-index-row{padding-top:clamp(20px,3vw,32px)}
.case-index{display:flex;flex-wrap:wrap;gap:8px}
.case-index a{border:1px solid #000;border-radius:999px;padding:9px 14px;font-size:11px;line-height:1;transition:background-color .15s,color .15s}
.case-index a:hover,.case-index a:focus-visible{background:#000;color:#fff}
.case-index a.is-active{background:#000;color:#fff}
.art-body{padding-top:clamp(40px,5vw,72px)}

/* O texto ocupa mais colunas, para caber imagens ao lado */
.case-page .art-text{grid-column:4/13}
.case-page .art-text h2{font-size:clamp(34px,4.6vw,64px);letter-spacing:-.065em;line-height:.95;margin:96px 0 32px;scroll-margin-top:110px}
.case-page .art-text h2:first-child{margin-top:0}
.case-page .art-text .art-lang > p{max-width:66ch}
.case-page .art-text h3{font-size:clamp(26px,2.8vw,38px);font-weight:500;letter-spacing:-.055em;line-height:1;margin:12px 0 20px;text-wrap:balance}

.case-list{list-style:none;margin:30px 0 0;padding:0;border-top:1px solid #000}
.case-page .art-text .case-list li,.case-page .art-text .case-list li:before{padding:0;margin:0;position:static}
.case-page .art-text .case-list li{display:grid;grid-template-columns:44px 1fr;gap:12px;padding:16px 0;border-bottom:1px solid var(--line);font-size:17px;line-height:1.4}
.case-page .art-text .case-list li:before{content:none}
.case-n{font-size:11px;color:var(--muted);padding-top:5px;font-variant-numeric:tabular-nums}

/* Bloco invertido de impacto */
.case-impact{background:#000;color:#fff;border-radius:10px;padding:clamp(24px,3vw,40px)}
.case-shift{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.case-shift div{display:flex;flex-direction:column;gap:10px;padding:0 20px 0 0;min-width:0}
.case-shift div+div{padding-left:20px;border-left:1px solid #444}
.case-shift .from{font-size:13px;color:#9a9a9a;text-decoration:line-through;text-decoration-color:#666}
.case-shift .to{font-size:clamp(19px,1.9vw,25px);letter-spacing:-.04em;line-height:1.1}

/* Fases */
.case-nda{font-size:12px;color:var(--muted);margin:-8px 0 36px}
.case-stage{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,260px);gap:clamp(24px,4vw,56px);align-items:start;padding:44px 0 52px;border-top:1px solid #000}
.case-stage.is-wide{grid-template-columns:1fr}
.case-stage-text{min-width:0;max-width:64ch}
.case-eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.11em;color:var(--muted)}
.case-stage-text p{font-size:17px;line-height:1.55;margin:0 0 1em}
.case-page .art-text .case-decision{background:#f2f2f2;padding:16px 18px;font-size:15px;line-height:1.45;margin:22px 0 0}
.case-fig{margin:0;display:flex;flex-direction:column;align-items:center;min-width:0}
.case-fig figcaption{font-size:11px;color:var(--muted);text-align:center;margin-top:12px;grid-column:1/-1;line-height:1.4}
.case-shot{display:block;width:100%;max-width:260px;height:auto;border-radius:20px;background:#f2f2f2}
.case-fig.is-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:560px;justify-self:start;align-items:start}
.case-fig.is-pair .case-shot{max-width:100%}

/* Ecrã conceptual (casos-limite) */
.case-phone{border:1px solid #000;border-radius:26px;background:#fff;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.10);width:100%;max-width:260px;font-size:12px}
.case-phone .ph-head{height:38px;border-bottom:1px solid var(--line);padding:13px 16px;font-size:8px;letter-spacing:.1em;text-transform:uppercase;display:flex;justify-content:space-between}
.case-phone .ph-body{padding:20px 16px 22px;display:flex;flex-direction:column;gap:10px}
.case-phone .ph-title{font-size:22px;letter-spacing:-.05em;line-height:.95}
.case-phone .ph-sub{font-size:11px;color:var(--muted);line-height:1.4}
.case-phone .ph-note{border-left:2px solid #000;padding:8px 10px;background:#f2f2f2;font-size:11px;line-height:1.4}
.case-phone .ph-card{border:1px solid var(--line);padding:12px;display:flex;flex-direction:column;gap:6px}
.case-phone .ph-k{font-size:9px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.case-phone .ph-btn{background:#000;border-radius:999px;color:#fff;text-align:center;padding:13px;font-size:12px;margin-top:4px}

/* Resultado */
.case-shipped{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.case-shipped div{border-top:1px solid #000;padding-top:16px}
.case-shipped b{display:block;font-weight:500;font-size:20px;letter-spacing:-.03em;margin-bottom:8px}
.case-page .art-text .case-shipped p{font-size:15px;line-height:1.5;color:#333;margin:0}
.case-targets{margin-top:56px}
.case-targets-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;border-bottom:1px solid #000;padding-bottom:12px;font-size:11px;text-transform:uppercase;letter-spacing:.11em;color:var(--muted)}
.case-targets-head .art-chip{font-size:10px;padding:4px 9px}
.case-tgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.case-tgrid div{padding:20px 16px 20px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:8px;min-width:0}
.case-tgrid div+div{padding-left:16px;border-left:1px solid var(--line)}
.case-tgrid b{font-size:clamp(28px,3.4vw,44px);font-weight:500;letter-spacing:-.06em;font-variant-numeric:tabular-nums;line-height:1}
.case-tgrid span{font-size:13px;line-height:1.35;color:#333}

/* Aprendizagens */
.case-quote{font-size:clamp(26px,3.2vw,44px)!important;line-height:1.04!important;letter-spacing:-.05em;padding:34px 0;border-top:1px solid #000;border-bottom:1px solid #000;margin:0 0 36px!important;max-width:24ch!important;text-wrap:balance}
.case-next{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}
.case-next span{border:1px solid #000;border-radius:999px;padding:9px 14px;font-size:12px;line-height:1}
.case-cta-sub{font-size:16px;line-height:1.45;color:#444;max-width:52ch;margin:0 0 22px!important}
.case-page .art-cta{scroll-margin-top:110px}

@media(max-width:820px){
  .case-index-spacer{display:none}
  .case-page .art-text{grid-column:auto}
  .case-page .art-text h2{margin-top:72px;scroll-margin-top:90px}
  .case-stage{grid-template-columns:1fr}
  .case-fig{align-items:flex-start}
  .case-fig.is-pair{max-width:100%}
  .case-shift{grid-template-columns:1fr}
  .case-shift div+div{padding-left:0;border-left:0;border-top:1px solid #444;margin-top:20px;padding-top:20px}
  .case-shipped{grid-template-columns:1fr}
  .case-tgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .case-tgrid div:nth-child(3){padding-left:0;border-left:0}
}
@media(prefers-reduced-motion:reduce){.case-index a{transition:none}}

/* --- Variantes usadas pelo case study CHO/DOF --- */
.art-hero-grid.is-stacked{grid-template-columns:1fr}
.art-hero-grid.is-stacked .case-cover{min-height:0;aspect-ratio:3/2;margin-top:clamp(8px,2vw,24px)}
.art-hero-grid.is-stacked .case-cover img{object-position:center}
.case-stage.is-full{grid-template-columns:1fr;gap:32px}
.case-stage.is-full .case-stage-text{max-width:none;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);column-gap:clamp(24px,4vw,56px);align-items:start}
.case-stage.is-full .case-stage-text>.case-eyebrow,.case-stage.is-full .case-stage-text>h3{grid-column:1/-1}
.case-stage.is-full .case-stage-text>p{grid-column:1}
.case-stage.is-full .case-stage-text>p.case-decision{grid-column:2;grid-row:3/5;margin:0;align-self:start}
.case-fig.is-full,.case-fig.is-stack{align-items:stretch}
.case-fig.is-stack{gap:12px;max-width:640px}
.case-fig.is-full figcaption,.case-fig.is-stack figcaption{text-align:left}
.case-wide{display:block;width:100%;max-width:100%;height:auto;border-radius:6px;border:1px solid var(--line)}
.case-wide.is-dark{border-color:#333;margin-top:36px}
.case-impact-img p{font-size:12px;color:#9a9a9a;margin:12px 0 0;line-height:1.4}
.case-page .art-text .case-impact-img p{margin:12px 0 0}
.case-conf{font-size:13px;color:var(--muted);font-style:italic;margin:24px 0 0!important;max-width:66ch}
.case-contrib{margin-top:56px}
.case-contrib-head{font-size:11px;text-transform:uppercase;letter-spacing:.11em;color:var(--muted);border-bottom:1px solid #000;padding-bottom:12px}
.case-cgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.case-cgrid div{padding:18px 16px 18px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:6px;min-width:0}
.case-cgrid b{font-weight:500;font-size:16px;letter-spacing:-.02em}
.case-cgrid span{font-size:13px;line-height:1.4;color:#333}
.case-learn li div{min-width:0}
.case-learn b{font-weight:500}
.case-page .art-text ul.case-list+h2{margin-top:96px}

/* Ecrã conceptual: linguagem de estados */
.case-screen{border:1px solid #000;border-radius:10px;background:#fff;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.10);width:100%;max-width:300px;font-size:12px}
.mk-head{display:flex;justify-content:space-between;gap:8px;padding:12px 14px;border-bottom:1px solid var(--line);font-size:10px;letter-spacing:.06em;text-transform:uppercase}
.mk-body{padding:16px 14px 18px;display:flex;flex-direction:column;gap:12px}
.mk-chips{display:flex;flex-wrap:wrap;gap:6px}
.mk-chip{border:1px solid #000;border-radius:999px;padding:5px 9px;font-size:11px;display:inline-flex;gap:5px}
.mk-chip i{font-style:normal}
.mk-toast{display:flex;gap:10px;align-items:flex-start;background:#000;color:#fff;border-radius:8px;padding:10px 12px;font-size:11px}
.mk-toast i{font-style:normal}
.mk-toast div{display:flex;flex-direction:column;gap:2px}
.mk-toast small{color:#bbb;font-size:10px}
.mk-inp{border:1px solid var(--line);border-radius:6px;padding:8px 10px;display:flex;flex-direction:column;gap:3px;outline:2px solid #000;outline-offset:2px;font-size:12px}
.mk-inp small{font-size:9px;color:var(--muted)}
@media(max-width:820px){
  .case-stage.is-full .case-stage-text{display:block}
  .case-stage.is-full .case-stage-text>p.case-decision{margin-top:22px}
  .case-cgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){.case-cgrid{grid-template-columns:1fr}}