/* ===========================================================
   Diagnóstico Comercial · Bionica · folha do exercício
   Uma pergunta por tela. Mesma língua visual da capa.
   =========================================================== */

:root{--tela:820px;--s1:8px;--s2:16px;--s3:32px;--s4:56px}

html,body{height:100%}
body.exercicio{background:var(--bg-deep);display:flex;flex-direction:column;min-height:100svh}
body.exercicio::before{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  /* A imagem fornecida já inclui o recorte e o escurecimento de 80%. */
  background:url('../assets/img/hero-comercial-interno-direita.png') right bottom/cover no-repeat}

/* ---------- barra de progresso ---------- */
.avanco{position:fixed;inset:0 0 auto;height:2px;z-index:200;background:rgba(255,255,255,.07)}
.avanco i{display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,rgba(163,197,240,.45),var(--luz));
  transition:transform .5s var(--ease)}

/* ---------- topo ---------- */
.topbar-ex{position:fixed;inset:2px 0 auto;z-index:100;border-bottom:1px solid var(--line-faint);
  background:rgba(2,3,5,.86);backdrop-filter:blur(18px) saturate(130%);
  -webkit-backdrop-filter:blur(18px) saturate(130%)}
.topbar-ex .topbar-inner{min-height:68px;grid-template-columns:auto 1fr auto;
  max-width:calc(var(--tela) + var(--pad)*2);margin-inline:auto}
.onde{grid-column:2;justify-self:center;display:flex;align-items:center;gap:10px 14px;flex-wrap:wrap;
  justify-content:center;font-size:14px;color:var(--muted);letter-spacing:.01em;text-align:center}
.onde b{color:var(--ink);font-weight:500}
.onde .sep{width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.5}
.topo-ex-acoes{grid-column:3;justify-self:end;display:flex;align-items:center;gap:10px}

.salvo{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);
  opacity:0;transition:opacity .3s;white-space:nowrap}
.salvo.mostra{opacity:1}
.salvo::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--luz)}
.salvo.erro::before{background:#e0b341}

/* ---------- palco ---------- */
.palco{flex:1;display:flex;flex-direction:column;justify-content:flex-start;
  position:relative;z-index:1;padding:calc(68px + clamp(36px,6vh,84px)) var(--pad) clamp(116px,13vh,156px)}
/* título sempre no mesmo lugar: não pula a cada clique */
.tela{width:100%;max-width:var(--tela);margin:0 auto;animation:entraTela .5s var(--ease) both}
@keyframes entraTela{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes entraTelaTras{from{opacity:0;transform:translateY(-16px)}to{opacity:1;transform:none}}
.tela.tras{animation-name:entraTelaTras}
.palco.saindo .tela{opacity:0;transform:translateY(-12px);transition:opacity .22s,transform .22s}
.palco.saindo-tras .tela{opacity:0;transform:translateY(12px);transition:opacity .22s,transform .22s}

/* ---------- aberturas ---------- */
.abre-olho{font-size:13.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--luz);display:block}
.abre h1,.revisao h1,.fim h1{font-size:clamp(34px,4.4vw,60px);line-height:1.02;letter-spacing:-.04em;
  margin-top:22px;max-width:18ch}
.abre-bloco{margin-top:clamp(30px,4vh,46px);border-top:1px solid var(--line)}
.abre-bloco > div{padding-block:22px;border-bottom:1px solid var(--line-faint);display:grid;
  grid-template-columns:168px minmax(0,1fr);gap:26px;align-items:start}
.abre-bloco dt{font-size:14.5px;color:var(--muted);padding-top:3px}
.abre-bloco dd{margin:0;font-size:18px;line-height:1.55;color:var(--body);max-width:60ch}

.abre-lista{margin:clamp(30px,4vh,46px) 0 0;padding:0;list-style:none;border-top:1px solid var(--line);
  counter-reset:item}
.abre-lista li{counter-increment:item;padding-block:20px;border-bottom:1px solid var(--line-faint);
  display:grid;grid-template-columns:40px minmax(0,1fr);gap:14px;font-size:18px;line-height:1.55;color:var(--body)}
.abre-lista li::before{content:counter(item);font-size:14.5px;color:var(--muted);padding-top:3px;
  font-variant-numeric:tabular-nums}

/* ---------- pergunta ---------- */
.kicker{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:15px;color:var(--muted)}
.kicker .tag{display:inline-flex;align-items:center;min-height:30px;padding:0 13px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--ink);font-size:13.5px}
.nome-item{color:var(--body);min-width:0;overflow-wrap:anywhere}
.pergunta h1{font-size:clamp(27px,3.1vw,44px);line-height:1.1;letter-spacing:-.035em;margin-top:var(--s3);max-width:24ch}
.pergunta h1.longo{font-size:clamp(25px,2.6vw,36px);line-height:1.16;max-width:36ch}
.pergunta .kicker + h1{margin-top:var(--s3)}
.pergunta > h1:first-child,.abre > h1:first-child{margin-top:0}
.ajuda{font-size:18px;line-height:1.6;color:var(--body);margin-top:var(--s2);max-width:62ch}

.kicker .tag.suave{color:var(--muted);border-color:var(--line-faint);background:none}
/* enunciado comum a várias telas (as áreas da vida na Parte 3) */
.grupo{font-size:18px;line-height:1.5;color:var(--muted);margin-top:var(--s3);max-width:52ch}
.pergunta .grupo + h1{margin-top:10px}

/* o campo: sem cara de formulário de banco */
.campo{margin-top:var(--s4);position:relative}
.campo textarea,.campo input{width:100%;display:block;background:transparent;border:0;
  border-left:2px solid var(--line-strong);border-radius:0;padding:4px 0 4px 22px;
  font-family:var(--display);font-size:clamp(18px,1.45vw,21px);line-height:1.65;color:var(--ink);
  resize:none;outline:none;transition:border-color .25s}
.campo textarea{min-height:180px;overflow:hidden}
.campo input{min-height:56px;font-size:clamp(21px,1.9vw,27px);letter-spacing:-.015em}
.campo textarea::placeholder,.campo input::placeholder{color:#7d8694}
.campo:focus-within textarea,.campo:focus-within input{border-left:4px solid var(--luz);padding-left:20px}

/* ---------- mais um item? ---------- */
.escolhas{display:grid;gap:12px;margin-top:clamp(30px,4vh,44px);max-width:520px}
.escolhas button{display:flex;align-items:center;min-height:62px;padding:0 24px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--ink);text-align:left;
  font-family:var(--display);font-size:17.5px;letter-spacing:-.01em;cursor:pointer;
  transition:border-color .2s,background .2s,transform .14s}
.escolhas button:hover{border-color:var(--line-strong);background:rgba(255,255,255,.07)}
.escolhas button:first-child{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.escolhas button:first-child:hover{background:#fff}
.escolhas button:active{transform:scale(.985)}
.escolhas button:focus-visible{outline:2px solid var(--luz);outline-offset:3px}

/* ---------- barra de ações ---------- */
.acoes{position:fixed;inset:auto 0 0;z-index:90;border-top:1px solid var(--line-faint);
  background:rgba(2,3,5,.9);backdrop-filter:blur(18px) saturate(130%);
  -webkit-backdrop-filter:blur(18px) saturate(130%);padding-bottom:env(safe-area-inset-bottom)}
.acoes::before{content:'';position:absolute;inset:auto 0 100% 0;height:56px;pointer-events:none;
  background:linear-gradient(180deg,rgba(2,3,5,0),rgba(2,3,5,.92))}
.acoes-inner{max-width:calc(var(--tela) + var(--pad)*2);margin-inline:auto;padding:14px var(--pad);
  display:flex;align-items:center;gap:12px}
.acoes .espaco{flex:1}
.acoes .btn{white-space:nowrap}
.atalho{font-size:13px;color:#8a929f;white-space:nowrap}

/* ---------- avisos ---------- */
.aviso{margin-top:var(--s2);padding-left:24px;font-size:15px;line-height:1.5;color:#9aa4b3;max-width:60ch;
  opacity:0;transform:translateY(-4px);transition:opacity .25s,transform .25s}
.aviso.mostra{opacity:1;transform:none}
.aviso.erro{color:#f0b4a3}
.aviso.sem-recuo{padding-left:0}
input[aria-invalid=true],textarea[aria-invalid=true]{border-left-color:#f0b4a3!important}

/* ---------- revisão ---------- */
.rev-lista{margin-top:clamp(30px,4vh,44px);border-top:1px solid var(--line)}
.rev-grupo{border-bottom:1px solid var(--line-faint);padding-block:26px}
.rev-grupo h2{font-size:20px;line-height:1.3;letter-spacing:-.02em}
.rev-grupo h3{font-size:15px;font-weight:500;color:var(--muted);margin-top:24px;overflow-wrap:anywhere}
.rev-grupo h2 + h3{margin-top:18px}
.rev-grupo ol{margin:10px 0 0;padding:0;list-style:none}
.rev-grupo h2 + ol{margin-top:14px}
.rev-grupo li button{display:grid;gap:4px;padding:12px 14px;margin-inline:-14px;
  width:calc(100% + 28px);border:0;border-radius:12px;background:none;text-align:left;cursor:pointer;
  font-family:var(--display);transition:background .2s}
.rev-grupo li button:hover{background:rgba(255,255,255,.04)}
.rev-grupo li button:focus-visible{outline:2px solid var(--luz);outline-offset:0}
.rev-q{font-size:16.5px;line-height:1.4;color:var(--ink)}
.rev-r{font-size:15px;line-height:1.5;color:var(--body);overflow-wrap:anywhere}
.rev-r.vazia{color:#7d8694}
.rev-r.falta{color:#f0b4a3}
/* áreas da vida ficam recuadas sob o enunciado; as perguntas seguintes voltam à margem */
.rev-grupo ol.rev-area{padding-left:18px;border-left:1px solid var(--line)}
.rev-grupo ol.rev-solto{margin-top:18px;padding-top:12px;border-top:1px solid var(--line-faint)}

/* ---------- fim ---------- */
.fim p{font-size:19px;line-height:1.6;color:var(--body);margin-top:22px;max-width:60ch}
.fim-acoes{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* ---------- telas menores ---------- */
@media(max-width:860px){
  body.exercicio::before{opacity:.28}
  .topbar-ex .topbar-inner{grid-template-columns:auto 1fr;min-height:60px;gap:12px}
  .onde{grid-column:1/-1;grid-row:2;justify-self:start;justify-content:flex-start;text-align:left;
    font-size:13px;padding-bottom:10px}
  .topo-ex-acoes{grid-column:2;grid-row:1}
  .palco{padding-top:calc(96px + 26px);padding-bottom:132px}
  .abre-bloco > div{grid-template-columns:1fr;gap:6px;padding-block:18px}
  .abre-lista li{grid-template-columns:28px minmax(0,1fr);gap:8px;font-size:17px}
  .abre-bloco dd{font-size:17px}
  .acoes-inner{padding:12px var(--pad);gap:8px}
  .atalho{display:none}
  .acoes .btn{padding-inline:15px;font-size:15px}
  .acoes [data-avancar]{flex:0 1 auto;min-width:max-content;justify-content:center;min-height:54px}
  .acoes [data-revisao]{white-space:normal;line-height:1.18;text-align:center}
  .acoes [data-voltar]{padding-inline:14px;gap:0}
  .acoes .rotulo{display:none}
  .campo textarea{min-height:150px}
  .campo textarea,.campo input{padding-left:16px}
  .campo:focus-within textarea,.campo:focus-within input{padding-left:14px}
  .aviso{padding-left:18px}
  .escolhas{max-width:none}
  .escolhas button{min-height:58px;font-size:16.5px}
}