/* ============================================================
     TOKENS — paleta clara na :root, redefinida para escuro abaixo
     ============================================================ */
  :root {
    --ground:      #F4F6F4;
    --surface:     #FFFFFF;
    --surface-2:   #ECEFEC;
    --ink:         #131E1D;
    --ink-soft:    #3B4B49;
    --muted:       #5F6E6B;
    --line:        #D5DBD8;
    --line-soft:   #E4E8E5;
    --accent:      #0D6B62;
    --accent-soft: #E0EFEC;

    /* Cores das três camadas — vindas do próprio mundo do assunto */
    --html:        #B8461F;
    --html-bg:     #FAEAE4;
    --css:         #1B5A97;
    --css-bg:      #E4EDF7;
    --js:          #7E6000;
    --js-bg:       #F7F0D9;

    --code-bg:     #14201F;
    --code-ink:    #DCE5E2;
    --code-line:   #2A3A38;

    --radius: 3px;
    --font-display: 'Bricolage Grotesque', 'Helvetica Neue', Arial, sans-serif;
    --font-body: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  }

  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --ground:      #0D1514;
      --surface:     #141F1E;
      --surface-2:   #1B2726;
      --ink:         #E7EDEB;
      --ink-soft:    #C0CCC9;
      --muted:       #93A19E;
      --line:        #293937;
      --line-soft:   #1F2C2B;
      --accent:      #45C8BA;
      --accent-soft: #10312E;

      --html:        #EB8055;
      --html-bg:     #2E1810;
      --css:         #6FB2EE;
      --css-bg:      #0F2233;
      --js:          #DFC04A;
      --js-bg:       #2B2408;

      --code-bg:     #0A100F;
      --code-ink:    #D3DEDB;
      --code-line:   #223230;
    }
  }

  :root[data-theme="dark"] {
    --ground:      #0D1514;
    --surface:     #141F1E;
    --surface-2:   #1B2726;
    --ink:         #E7EDEB;
    --ink-soft:    #C0CCC9;
    --muted:       #93A19E;
    --line:        #293937;
    --line-soft:   #1F2C2B;
    --accent:      #45C8BA;
    --accent-soft: #10312E;

    --html:        #EB8055;
    --html-bg:     #2E1810;
    --css:         #6FB2EE;
    --css-bg:      #0F2233;
    --js:          #DFC04A;
    --js-bg:       #2B2408;

    --code-bg:     #0A100F;
    --code-ink:    #D3DEDB;
    --code-line:   #223230;
  }

  /* ============================================================
     BASE
     ============================================================ */
  * { box-sizing: border-box; }

  body {
    margin: 0;
    background: var(--ground);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.62;
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3, h4 {
    font-family: var(--font-display);
    text-wrap: balance;
    line-height: 1.15;
    margin: 0;
  }

  p { margin: 0 0 1em; }
  p:last-child { margin-bottom: 0; }

  a { color: var(--accent); text-underline-offset: 3px; }

  /* o que o navegador desenha também leva a cor do site */
  ::selection { background: color-mix(in srgb, var(--accent) 26%, transparent); color: var(--ink); }
  html { accent-color: var(--accent); caret-color: var(--accent); scrollbar-color: var(--line) transparent; }

  /* ícones: SVG no traço de 1.75, do tamanho do texto ao lado */
  .ico {
    width: 1.15em; height: 1.15em; flex: none;
    fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round;
  }

  :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 2px;
  }

  code, kbd {
    font-family: var(--font-mono);
    font-size: .85em;
  }

  /* código curto dentro do texto */
  p code, li code, td code, th code, dd code, dt code {
    background: var(--surface-2);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    padding: .08em .34em;
    color: var(--ink-soft);
    word-break: break-word;
  }

  /* ============================================================
     ESTRUTURA DA PÁGINA
     ============================================================ */
  /* uma linha só, de 48px: marca · menu · posição · área ··· busca · tema.
     O .topo__interno vira "display: contents" para os filhos dele entrarem
     na mesma linha que o <nav>; a largura útil continua a de 1180px. */
  .topo {
    position: sticky;
    top: env(safe-area-inset-top, 0px);
    z-index: 40;
    display: flex; align-items: center; gap: 14px;
    min-height: 52px;
    padding: 0 max(20px, calc((100% - 1140px) / 2));
    background: color-mix(in srgb, var(--ground) 84%, transparent);
    -webkit-backdrop-filter: blur(12px) saturate(1.3);
            backdrop-filter: blur(12px) saturate(1.3);
    border-bottom: 1px solid var(--line-soft);
    transition: transform .24s cubic-bezier(.22, 1, .36, 1);   /* aparecer: ease-out forte */
  }
  .topo__interno { display: contents; }
  .topo .marca { margin-right: 0; font-size: 14px; }
  .topo .marca__selo { width: 20px; height: 20px; font-size: 10px; }
  .topo .navmenu { order: 1; max-width: none; margin: 0; padding: 0; border-top: 0; min-width: 0; }
  .topo__interno > button { order: 2; width: 36px; height: 36px; font-size: 17px; }
  .topo__interno > button:first-of-type { margin-left: auto; }
  /* o mesmo cabeçalho em toda página: marca à esquerda, menu e área no centro
     exato, busca e tema à direita. No celular não há largura para centralizar
     sem encostar na marca: o menu volta para o fluxo, logo depois dela. */
  /* centralizado sem transform: um transform aqui prenderia o painel do menu
     (position: fixed) à caixa pequena do <nav>, e ele sairia da tela */
  @media (min-width: 561px) {
    .topo .navmenu { position: absolute; left: 0; right: 0; margin-inline: auto; width: fit-content; }
  }
  .topo .navmenu__botao { padding: 13px 0 11px; }
  .topo .navmenu__aqui {
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 26ch;
    font-size: 13px;
  }

  /* ---------- cabeçalho flutuante: some ao descer, volta depois de subir por ~1s ---------- */
  .topo--escondido {
    transform: translateY(calc(-100% - 1px));   /* -1px come a borda */
    transition-duration: .16s;                   /* sair é mais rápido que entrar */
  }

  /* nunca esconder com o menu aberto ou com foco de teclado dentro do topo */
  .topo:focus-within,
  .topo:has(#navmenu[open]) { transform: none; }


  .marca {
    color: var(--ink); text-decoration: none;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 15px;
    letter-spacing: -.01em;
    margin-right: auto;
    display: flex;
    align-items: center;
    gap: 9px;
  }

  .marca__selo {
    width: 22px; height: 22px;
    border-radius: 2px;
    background: var(--accent);
    color: var(--ground);
    display: grid;
    place-items: center;
    font-size: 11px;
    font-weight: 800;
    flex: none;
  }

  .filtros {
    display: flex;
    gap: 4px;
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 3px;
  }

  .filtro {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .01em;
    border: 0;
    background: transparent;
    color: var(--muted);
    padding: 5px 12px;
    border-radius: 999px;
    cursor: pointer;
    white-space: nowrap;
  }
  .filtro[aria-pressed="true"] {
    background: var(--accent);
    color: var(--surface);
  }
  .filtro { transition: color .15s ease, background-color .15s ease, transform .16s cubic-bezier(.23, 1, .32, 1); }
  .filtro:active { transform: scale(.97); }

  /* o filtro mora na abertura da trilha, ao lado da legenda que explica as
     etiquetas — escolhe o conteúdo desta página, não é navegação do site */
  .abertura__filtro { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
  .abertura__filtro-rot {
    font-family: var(--font-mono); font-size: 11px; font-weight: 700;
    letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
  }

  .btn-icone {
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--ink-soft);
    width: 36px; height: 36px;
    border-radius: 999px;
    cursor: pointer;
    display: grid;
    place-items: center;
    font-size: 17px;
    transition: border-color .15s ease, color .15s ease, transform .16s cubic-bezier(.23, 1, .32, 1);
    flex: none;
  }
  .btn-icone:hover { border-color: var(--accent); color: var(--accent); }
  .btn-icone:active { transform: scale(.94); }

  .palco {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px 96px;
    display: grid;
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  /* ---------- Sumário lateral ---------- */
  .sumario {
    position: sticky;
    top: calc(env(safe-area-inset-top, 0px) + 60px);
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    padding: 28px 0 40px;
    font-family: var(--font-display);
    font-size: 13px;
  }

  .sumario__titulo {
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 12px;
  }

  .sumario__conta {
    display: block; margin-top: 5px;
    font-family: var(--font-mono); font-size: 11.5px; font-weight: 400;
    letter-spacing: 0; text-transform: none; color: var(--muted);
  }
  .sumario__lido { display: none; }

  .sumario ol { list-style: none; margin: 0 0 18px; padding: 0; }

  .sumario__parte {
    display: block;
    font-weight: 700;
    color: var(--ink);
    text-decoration: none;
    padding: 6px 0 4px;
    letter-spacing: -.005em;
  }
  .sumario__parte:hover { color: var(--accent); }

  .sumario li a:not(.sumario__parte) {
    display: block;
    color: var(--muted);
    text-decoration: none;
    padding: 3px 0 3px 13px;
    border-left: 2px solid var(--line-soft);
    line-height: 1.4;
  }
  .sumario li a:not(.sumario__parte):hover { color: var(--ink); }
  .sumario li a.is-atual {
    color: var(--accent);
    border-left-color: var(--accent);
    font-weight: 600;
  }

  /* ---------- Coluna de leitura ---------- */
  .leitura { min-width: 0; padding-top: 28px; }

  .abertura {
    border-bottom: 1px solid var(--line);
    padding-bottom: 34px;
    margin-bottom: 8px;
  }

  .abertura h1 {
    font-size: clamp(42px, 7vw, 76px);
    font-weight: 800;
    letter-spacing: -.038em;
    line-height: .98;
    margin: 14px 0 20px;
  }

  .abertura__lead {
    font-size: 19px;
    color: var(--ink-soft);
    max-width: 60ch;
  }

  .legenda {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin-top: 24px;
    font-family: var(--font-display);
    font-size: 12.5px;
    color: var(--muted);
    align-items: center;
  }

  /* ---------- Partes e tópicos ---------- */
  .parte { padding-top: 56px; scroll-margin-top: 78px; }

  .parte__cabeca {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 6px;
  }

  .parte__num {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: .04em;
    flex: none;
  }

  .parte h2 {
    font-size: clamp(25px, 3.6vw, 33px);
    font-weight: 800;
    letter-spacing: -.022em;
  }

  .parte__resumo {
    color: var(--muted);
    max-width: 62ch;
    margin: 0 0 4px;
    font-size: 16px;
  }

  .topico {
    border-top: 1px solid var(--line);
    padding: 30px 0 4px;
    scroll-margin-top: 78px;
  }

  .topico__cabeca {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
  }

  .topico h3 {
    font-size: 21px;
    font-weight: 700;
    letter-spacing: -.014em;
    margin-right: auto;
  }

  .topico__corpo { max-width: 68ch; }

  /* etiquetas */
  .tag {
    font-family: var(--font-display);
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 999px;
    border: 1px solid transparent;
    white-space: nowrap;
    flex: none;
  }
  .tag--novo     { background: var(--accent-soft); color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
  .tag--revisao  { background: transparent; color: var(--muted); border-color: var(--line); }
  .tag--html     { background: var(--html-bg); color: var(--html); }
  .tag--css      { background: var(--css-bg);  color: var(--css);  }
  .tag--js       { background: var(--js-bg);   color: var(--js);   }
  /* "Novo" está em quase todo tópico: no cabeçalho do tópico ele é ruído. Fica só
     a exceção ("Revisão"); a legenda e o filtro da abertura continuam explicando os dois. */
  .topico__cabeca .tag--novo { display: none; }

  /* marcador de estudado */
  .marcar {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-display);
    font-size: 11.5px;
    font-weight: 600;
    color: var(--muted);
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 3px 10px 3px 7px;
    cursor: pointer;
    flex: none;
  }
  .marcar:hover { border-color: var(--accent); color: var(--accent); }
  .marcar__caixa {
    width: 13px; height: 13px;
    border: 1.5px solid currentColor;
    border-radius: 2px;
    display: grid;
    place-items: center;
    font-size: 9px;
    line-height: 1;
  }
  .topico.is-estudado .marcar {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--surface);
  }
  .topico.is-estudado h3 { color: var(--muted); }

  /* ---------- Blocos de conteúdo ---------- */
  .bloco-codigo {
    margin: 18px 0 22px;
    border-radius: 5px;
    overflow: hidden;
    border: 1px solid var(--code-line);
    background: var(--code-bg);
  }

  .bloco-codigo__barra {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 12px;
    border-bottom: 1px solid var(--code-line);
    font-family: var(--font-mono);
    font-size: 11px;
    color: #8B9B98;
  }

  .bloco-codigo__ling {
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 700;
    margin-right: auto;
  }
  .bloco-codigo__ling[data-l="html"] { color: #EB8055; }
  .bloco-codigo__ling[data-l="css"]  { color: #6FB2EE; }
  .bloco-codigo__ling[data-l="js"]   { color: #DFC04A; }
  .bloco-codigo__ling[data-l="bash"] { color: #8FCFA2; }

  .copiar {
    background: transparent;
    border: 1px solid var(--code-line);
    color: #8B9B98;
    font-family: var(--font-display);
    font-size: 10.5px;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 999px;
    cursor: pointer;
  }
  .copiar:hover { color: #DCE5E2; border-color: #46605C; }

  .bloco-codigo pre {
    margin: 0;
    padding: 14px 16px;
    overflow-x: auto;
    color: var(--code-ink);
  }
  .bloco-codigo code {
    font-size: 13px;
    line-height: 1.65;
    white-space: pre;
  }

  .tabela-caixa {
    overflow-x: auto;
    margin: 18px 0 22px;
    border: 1px solid var(--line);
    border-radius: 5px;
    background: var(--surface);
  }

  table {
    border-collapse: collapse;
    width: 100%;
    min-width: 460px;
    font-size: 15px;
  }

  th, td {
    text-align: left;
    padding: 10px 14px;
    border-bottom: 1px solid var(--line-soft);
    vertical-align: top;
  }
  th {
    font-family: var(--font-display);
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--surface-2);
    white-space: nowrap;
  }
  tr:last-child td { border-bottom: 0; }

  .nota {
    border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
    background: var(--accent-soft);
    padding: 14px 16px;
    margin: 18px 0 22px;
    border-radius: 6px;
    font-size: 15.5px;
  }
  .nota strong { font-family: var(--font-display); }

  .nota--alerta {
    border-color: color-mix(in srgb, var(--html) 30%, transparent);
    background: var(--html-bg);
  }

  .topico__corpo ul, .topico__corpo ol { padding-left: 20px; margin: 0 0 1em; }
  .topico__corpo li { margin-bottom: .45em; }

  h4 {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .01em;
    margin: 24px 0 8px;
    color: var(--ink);
  }

  .rodape {
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 14px;
    font-family: var(--font-display);
  }
  .rodape__interno {
    max-width: 1180px; margin: 0 auto; padding: 36px 20px 64px;
    display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 18px 40px;
  }
  .rodape__marca { margin: 0; display: grid; gap: 4px; max-width: 44ch; }
  .rodape__marca a { font-weight: 800; letter-spacing: -.01em; color: var(--ink); text-decoration: none; }
  .rodape__marca span { font-family: var(--font-body); font-size: 15px; line-height: 1.5; }
  .rodape__nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
  .rodape__nav a { color: var(--ink-soft); font-weight: 600; text-decoration: none; }
  .rodape__nav a:hover { color: var(--accent); }

  .vazio {
    display: none;
    padding: 40px 0;
    color: var(--muted);
    font-family: var(--font-display);
  }

  /* ---------- Filtragem ---------- */
  body[data-filtro="novo"]    .topico[data-marca="revisao"],
  body[data-filtro="revisao"] .topico[data-marca="novo"] { display: none; }
  .parte.is-oculta { display: none; }

  /* ============================================================
     RESPONSIVO
     ============================================================ */
  @media (max-width: 900px) {
    .palco {
      grid-template-columns: minmax(0, 1fr);
      gap: 0;
      padding: 0 16px 72px;
    }
    /* a barra de leitura: fica colada abaixo do topo, diz a parte atual e enche
       uma linha fina conforme a página avança. Quando o topo some, ela sobe junto. */
    .sumario {
      position: sticky; top: calc(env(safe-area-inset-top, 0px) + 52px); z-index: 30;
      max-height: none; overflow: visible;
      margin: 0 -16px; padding: 8px 16px;
      background: color-mix(in srgb, var(--ground) 92%, transparent);
      -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--line-soft);
      transition: translate .24s cubic-bezier(.22, 1, .36, 1);
    }
    body:has(.topo--escondido) .sumario { translate: 0 -52px; }
    .sumario.is-aberto .sumario__lista { max-height: min(62vh, 540px); overflow-y: auto; padding: 14px 0 6px; }
    .sumario__lido {
      display: block; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
      background: var(--accent); transform: scaleX(0); transform-origin: left center;
    }
    .sumario__abrir span:first-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .sumario.is-aberto .sumario__abrir .ico--seta { transform: rotate(180deg); }
    .sumario__lista { display: none; }
    .sumario.is-aberto .sumario__lista { display: block; }
    .sumario__abrir {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      width: 100%;
      min-height: 40px;
      background: transparent;
      border: 1px solid var(--line);
      border-radius: 6px;
      padding: 8px 12px;
      font-family: var(--font-display);
      font-size: 13px;
      font-weight: 700;
      color: var(--ink);
      cursor: pointer;
    }
    .topo__interno { padding: 9px 16px; gap: 10px; }
    .marca span:last-child { display: none; }
    body { font-size: 16.5px; }
    .leitura { padding-top: 10px; }
  }

  @media (min-width: 901px) {
    .sumario__abrir { display: none; }
    .sumario__lista { display: block !important; }

    /* sumário discreto: menor, mais apagado, e só a parte em leitura abre a
       lista de tópicos — as outras mostram só o nome, para o olho não pesar */
    .palco { grid-template-columns: 200px minmax(0, 1fr); gap: 44px; }
    .sumario {
      font-size: 12.5px; padding-top: 30px;
      scrollbar-width: thin; scrollbar-color: var(--line) transparent;
    }
    .sumario__parte { font-weight: 600; color: var(--muted); padding: 5px 0 3px; }
    .sumario__parte:hover { color: var(--ink); }
    .sumario__parte:has(+ ol .is-atual) { color: var(--ink); }
    .sumario ol { display: none; margin: 3px 0 12px; }
    .sumario ol:has(.is-atual),
    .sumario__lista:not(:has(.is-atual)) ol:first-of-type { display: block; }
    .sumario li a:not(.sumario__parte) {
      font-size: 12px; padding: 2px 0 2px 11px; border-left-width: 1px;
    }
  }

  /* ===== trilha em tela larga: sumário no canto, texto no meio, exemplos à direita =====
     O bloco de código continua no mesmo lugar do HTML; em tela larga ele flutua
     para uma coluna à direita (a técnica da nota de margem: float com margem
     negativa), e fica na altura do texto que vem logo depois dele. Abaixo de
     1280px, volta a ficar no meio do texto, como sempre. */
  @media (min-width: 1280px) {
    .palco:not(.palco--ref) {
      --texto: 660px;
      --vao: 48px;
      --exemplo: clamp(380px, 30vw, 540px);
      max-width: none;
      grid-template-columns: 188px minmax(0, 1fr);
      gap: 32px;
      padding-left: 24px;
      padding-right: 24px;
    }
    .palco:not(.palco--ref) .leitura {
      width: 100%;
      max-width: calc(var(--texto) + var(--vao) + var(--exemplo));
      padding-right: calc(var(--vao) + var(--exemplo));
      margin: 0 auto;
      box-sizing: border-box;
    }
    .palco:not(.palco--ref) .abertura { margin-right: calc(-1 * (var(--vao) + var(--exemplo))); }
    .palco:not(.palco--ref) .topico { display: flow-root; }   /* o tópico segura os exemplos que flutuam */
    .palco:not(.palco--ref) .topico__corpo { max-width: none; }
    /* .exemplos é a caixa que o app.js monta em volta de cada grupo e sobe até o
       texto par; sem JavaScript, o bloco solto flutua sozinho, no lugar onde está */
    .palco:not(.palco--ref) .topico__corpo > .bloco-codigo,
    .palco:not(.palco--ref) .topico__corpo > .vitrine,
    .palco:not(.palco--ref) .topico__corpo > .exemplos {
      float: right; clear: right;
      width: var(--exemplo);
      margin: 4px calc(-1 * (var(--vao) + var(--exemplo))) 18px 0;
    }
    .palco:not(.palco--ref) .topico__corpo > .exemplos { position: relative; }
    .exemplos > .bloco-codigo, .exemplos > .vitrine { margin: 0 0 14px; }
    .exemplos > :last-child { margin-bottom: 0; }
    .palco:not(.palco--ref) .bloco-codigo pre { font-size: 12.5px; }

    /* a seta: do exemplo para o texto a que ele pertence */
    .palco:not(.palco--ref) .exemplos__seta {
      display: block; position: absolute; top: 16px;
      left: calc(-1 * var(--vao) + 10px); width: calc(var(--vao) - 20px); height: 1px;
      background: var(--line);
      transition: background-color .2s ease;
    }
    .exemplos__seta::before {
      content: ""; position: absolute; left: -1px; top: -4px;
      width: 7px; height: 7px;
      border-left: 1px solid var(--line); border-bottom: 1px solid var(--line);
      transform: rotate(45deg);
      transition: border-color .2s ease;
    }
    .palco:not(.palco--ref) .exemplos--sem-par .exemplos__seta { display: none; }
    .exemplos:hover .exemplos__seta, .exemplos:focus-within .exemplos__seta { background: var(--accent); }
    .exemplos:hover .exemplos__seta::before, .exemplos:focus-within .exemplos__seta::before { border-color: var(--accent); }
    .is-par-ativo {
      background: var(--accent-soft);
      box-shadow: 0 0 0 8px var(--accent-soft);
      border-radius: 2px;
    }
    .topico__corpo > p, .topico__corpo > h4, .topico__corpo > ul, .topico__corpo > ol {
      transition: background-color .2s ease, box-shadow .2s ease;
    }
    /* demonstração ao vivo é larga: ocupa as duas colunas, abaixo de qualquer exemplo */
    .palco:not(.palco--ref) .topico__corpo .lab {
      clear: both;
      width: calc(100% + var(--vao) + var(--exemplo));
    }
  }

  @media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
    html { scroll-behavior: auto; }
    /* sem transição, esconder/mostrar viraria um piscar seco: o topo só fica */
    .topo--escondido { transform: none; }
  }

  html { scroll-behavior: smooth; }

/* ===== MENU DE TRILHAS ===== */
.navmenu {
  max-width: 1180px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; gap: 12px;
  border-top: 1px solid var(--line-soft);
}

.navmenu__caixa { position: relative; }
.navmenu__caixa > summary { list-style: none; }
.navmenu__caixa > summary::-webkit-details-marker { display: none; }

.navmenu__botao {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-display); font-size: 13.5px; font-weight: 700;
  color: var(--ink); cursor: pointer; user-select: none;
  padding: 11px 0; border-bottom: 2px solid transparent;
}
.navmenu__botao:hover { color: var(--accent); }
.navmenu__caixa[open] > .navmenu__botao { color: var(--accent); border-bottom-color: var(--accent); }
.navmenu__caixa[open] > .navmenu__botao .ico--seta { transform: rotate(180deg); }
.ico--seta { transition: transform .2s cubic-bezier(.23, 1, .32, 1); }

.navmenu__aqui {
  font-family: var(--font-display); font-size: 13.5px; font-weight: 600;
  color: var(--muted); padding-left: 12px; border-left: 1px solid var(--line);
}

/* alternador de área — Estudar / Trabalhar, sempre visível */
.modos { display: flex; gap: 2px; padding-left: 12px; border-left: 1px solid var(--line); }
.modo {
  font-family: var(--font-display); font-size: 13px; font-weight: 600;
  color: var(--muted); text-decoration: none;
  padding: 4px 11px; border-radius: 20px; border: 1px solid transparent;
  transition: color .15s, background .15s, border-color .15s;
}
.modo:hover { color: var(--ink); background: var(--surface-2); }
.modo.is-atual { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
@media (max-width: 560px) { .modo { padding: 4px 9px; font-size: 12.5px; } }

/* ===== um acento só =====
   O teal é a cor da marca no site inteiro. A área (Estudar ou Trabalhar)
   aparece só na pílula ativa do alternador, no topo — sem faixa colorida.
   O data-modo continua no <body>: é ele que marca a pílula certa. */

/* o painel do menu: preso ao topo inteiro (que tem backdrop-filter e por isso
   é o bloco de referência do position: fixed), centralizado, com rolagem própria */
.navmenu__painel {
  position: fixed; top: 100%; left: 50%; translate: -50% 0; z-index: 60;
  width: min(1120px, calc(100vw - 32px)); max-height: calc(100dvh - 76px);
  overflow-y: auto; overscroll-behavior: contain;
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  padding: 24px 28px 28px;
  box-shadow: 0 24px 60px -28px rgb(0 0 0 / .32), 0 2px 10px -6px rgb(0 0 0 / .1);
  display: grid; grid-template-columns: 1.1fr 1fr 1.25fr; grid-template-rows: auto auto auto 1fr;
  gap: 22px 36px; align-items: start;
}
/* Construção à esquerda; Captação, Método e Sobre empilhados no meio; Trabalhar à direita */
.navmenu__grupo:nth-child(1) { grid-column: 1; grid-row: 1 / 5; }
.navmenu__grupo:nth-child(2) { grid-column: 2; grid-row: 1; }
.navmenu__grupo:nth-child(3) { grid-column: 2; grid-row: 2; }
.navmenu__grupo:nth-child(4) { grid-column: 3; grid-row: 1 / 5; }
.navmenu__grupo:nth-child(5) { grid-column: 2; grid-row: 3; }

.navmenu__rotulo {
  font-family: var(--font-display); font-size: 11.5px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
  margin: 0 0 8px; padding-bottom: 8px; border-bottom: 1px solid var(--line-soft);
}

.navmenu__grupo a {
  display: block; padding: 7px 10px; margin: 0 -10px;
  border-radius: 6px; text-decoration: none; color: inherit;
  transition: background-color .15s ease;
}
.navmenu__grupo a:hover { background: var(--surface-2); }
.navmenu__grupo a strong {
  display: block; font-family: var(--font-display);
  font-size: 14.5px; font-weight: 700; letter-spacing: -.01em;
}
.navmenu__grupo a span {
  display: block; font-size: 13.5px; color: var(--muted); margin-top: 1px; line-height: 1.35;
}
.navmenu__grupo a.is-atual strong, .navmenu__compacto.is-atual { color: var(--accent); }
.navmenu__grupo a.is-atual { background: var(--accent-soft); }

/* as quinze ferramentas: só o nome, numa coluna, na ordem das fases, embaixo dos dois atalhos grandes */
.navmenu__grupo--trabalhar > a:not(.navmenu__compacto) + .navmenu__compacto { margin-top: 10px; }
.navmenu__grupo a.navmenu__compacto {
  padding: 5px 10px; font-family: var(--font-display); font-size: 14px; font-weight: 600;
  color: var(--ink-soft); line-height: 1.3;
}

@media (max-width: 1000px) {
  .navmenu__painel { grid-template-columns: 1fr 1fr; grid-template-rows: none; }
  .navmenu__grupo:nth-child(n) { grid-column: auto; grid-row: auto; }
  .navmenu__grupo--trabalhar { grid-column: 1 / -1 !important; }
}
@media (max-width: 900px) {
  .topo .navmenu__aqui { display: none; }
}
@media (max-width: 560px) {
  .topo { gap: 8px; padding: 0 16px; }
  .topo .marca > span:not(.marca__selo) {
    position: absolute; width: 1px; height: 1px; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap;
  }
  .topo .navmenu { gap: 8px; }
  .topo .modos { padding-left: 8px; }
  .topo__interno > button { width: 40px; height: 40px; }
}
@media (max-width: 370px) {
  .topo .modo { padding: 4px 7px; font-size: 12px; }
}
@media (max-width: 760px) {
  .navmenu { padding: 0 16px; }
  .navmenu__painel {
    left: 12px; right: 12px; translate: none; width: auto;
    grid-template-columns: 1fr; gap: 18px; padding: 18px 20px 22px;
    max-height: calc(100dvh - 68px);
  }
}

/* ===== HOME ===== */
.home { max-width: 1180px; margin: 0 auto; padding: 0 20px 90px; }
.home__hero { padding: 64px 0 40px; border-bottom: 1px solid var(--line); }
.home__hero h1 { font-size: clamp(48px, 8vw, 96px); font-weight: 800; letter-spacing: -.04em; line-height: .95; margin-bottom: 24px; }
.home__hero p { font-size: 19px; color: var(--ink-soft); max-width: 62ch; }
.home__nums { display: flex; flex-wrap: wrap; gap: 8px 28px; margin-top: 26px; font-family: var(--font-display); font-size: 13px; color: var(--muted); }
.home__nums strong { color: var(--accent); font-weight: 700; }

.home__titulo { font-family: var(--font-display); font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin: 46px 0 18px; }

.home__busca { margin-top: 30px; }
.home__busca-rotulo {
  display: block; font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px;
}
.home__busca-caixa {
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--line); border-radius: 8px;
  padding: 16px 20px; background: var(--surface);
  transition: border-color .15s, box-shadow .15s;
  max-width: 640px;
}
.home__busca-caixa:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.home__busca-icone { font-size: 18px; color: var(--muted); flex-shrink: 0; }
.home__busca-campo {
  flex: 1; border: none; background: none; outline: none;
  font-family: var(--font-display); font-size: 17px; color: var(--ink);
}
.home__busca-campo::placeholder { color: var(--muted); }
.home__busca-atalho {
  font-family: var(--font-mono); font-size: 11px; color: var(--muted);
  border: 1px solid var(--line); border-radius: 3px; padding: 2px 7px; flex-shrink: 0;
}

/* ===== HUB — um palco escuro de uma tela: a frase enorme e a barra de entrada =====
   Nos dois temas. Nada de decoração: a frase é o desenho, e a barra de baixo
   (busca + as duas áreas) é o caminho — como numa barra de filtros. */
.hub {
  --hub-fundo: #0B1211; --hub-tinta: #EEF3F1; --hub-fraco: #9DAEAA;
  --hub-linha: rgb(238 243 241 / .14); --hub-teal: #45C8BA;
  min-height: 100svh; display: grid; grid-template-rows: auto 1fr auto;
  padding: 0 max(20px, calc((100% - 1320px) / 2));
  background: var(--hub-fundo); color: var(--hub-tinta);
}
.hub ::selection { background: rgb(69 200 186 / .35); color: var(--hub-tinta); }
.hub :focus-visible { outline-color: var(--hub-teal); }
.hub__topo { display: flex; align-items: center; gap: 28px; min-height: 68px; }
.hub__marca { color: var(--hub-tinta); margin-right: auto; }
.hub__marca span:last-child { display: inline; }
.hub .marca__selo { background: var(--hub-teal); color: var(--hub-fundo); }
.hub__nav { display: flex; gap: 26px; }
.hub__nav a {
  font-family: var(--font-display); font-size: 14.5px; font-weight: 600;
  color: var(--hub-fraco); text-decoration: none; transition: color .15s ease;
}
.hub__nav a:hover { color: var(--hub-tinta); }
.hub__tema { background: transparent; border-color: var(--hub-linha); color: var(--hub-fraco); }
.hub__tema:hover { border-color: var(--hub-teal); color: var(--hub-teal); }

.hub__palco { align-self: end; padding: 56px 0 64px; }
.hub__titulo {
  font-size: clamp(60px, 12.4vw, 188px); font-weight: 800;
  letter-spacing: -.04em; line-height: .88;
  margin: 0 0 36px; max-width: 11ch; color: var(--hub-tinta);
}
.hub__ponto { color: var(--hub-teal); }
.hub__lead {
  font-family: var(--font-body); font-size: clamp(18px, 1.6vw, 21px); line-height: 1.55;
  color: var(--hub-fraco); max-width: 48ch; margin: 0; text-wrap: pretty;
}

.hub__base {
  display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr);
  border-top: 1px solid var(--hub-linha); margin-bottom: 28px;
}
.hub__busca { margin: 0; padding: 24px 32px 24px 0; border-right: 1px solid var(--hub-linha); }
.hub__rotulo { display: block; margin-bottom: 10px; font-family: var(--font-mono); font-size: 12px; color: var(--hub-fraco); }
.hub .home__busca-caixa {
  max-width: none; gap: 12px; padding: 0 0 8px; border: 0; border-bottom: 1px solid transparent;
  border-radius: 0; background: transparent; box-shadow: none;
  transition: border-color .2s ease;
}
.hub__busca:focus-within .home__busca-caixa { border-bottom-color: var(--hub-teal); box-shadow: none; }
.hub__busca:focus-within .hub__rotulo { color: var(--hub-teal); }
.hub .home__busca-icone { display: flex; font-size: 22px; color: var(--hub-fraco); }
.hub .home__busca-campo { font-size: clamp(18px, 1.7vw, 23px); color: var(--hub-tinta); }
.hub .home__busca-campo::placeholder { color: rgb(157 174 170 / .75); }
.hub .home__busca-atalho { color: var(--hub-fraco); border-color: var(--hub-linha); }

.hub__porta {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-content: center; gap: 6px 14px;
  padding: 24px 28px; text-decoration: none; color: var(--hub-tinta);
  border-right: 1px solid var(--hub-linha);
  transition: background-color .2s ease;
}
.hub__porta:last-child { border-right: 0; }
.hub__porta-nome { font-family: var(--font-display); font-size: clamp(24px, 2.3vw, 32px); font-weight: 800; letter-spacing: -.035em; line-height: 1; }
.hub__porta-meta { grid-column: 1; font-family: var(--font-mono); font-size: 12px; color: var(--hub-fraco); }
.hub__porta-seta {
  grid-column: 2; grid-row: 1 / 3; align-self: center; display: flex; font-size: 26px;
  transition: transform .25s cubic-bezier(.23, 1, .32, 1);
}
/* a porta de estudo é o botão cheio da barra: o caminho de quem chega pela primeira vez */
.hub__porta--estudo { background: var(--hub-teal); color: #05201C; }
.hub__porta--estudo .hub__porta-meta { color: rgb(5 32 28 / .72); }
.hub__porta--estudo:focus-visible { outline-color: var(--hub-tinta); outline-offset: -4px; }
@media (hover: hover) and (pointer: fine) {
  .hub__porta--estudo:hover { background: #5DD3C6; }
  .hub__porta--trabalho:hover { background: rgb(238 243 241 / .05); }
  .hub__porta:hover .hub__porta-seta { transform: translateX(5px); }
}

@media (max-width: 900px) {
  .hub__base { grid-template-columns: 1fr 1fr; }
  .hub__busca { grid-column: 1 / -1; padding: 20px 0; border-right: 0; border-bottom: 1px solid var(--hub-linha); }
  .hub__porta { padding: 20px 18px; }
  .hub__porta--trabalho { order: 2; }
}
@media (max-width: 640px) {
  .hub { padding: 0 16px; }
  .hub__nav { display: none; }
  .hub__palco { padding: 40px 0 44px; }
  .hub__titulo { margin-bottom: 26px; }
  .hub__base { margin-bottom: 16px; }
  .hub__porta { padding: 18px 16px; }
  .hub__porta-seta { font-size: 22px; }
}

/* ===== botão de chamada — Bricolage, texto normal, varredura de preenchimento =====
   Quadrado de propósito (a marca é de canto vivo); o mono fica para código e metadado. */
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.cta {
  --cta-cor: var(--accent);
  --cta-tinta: var(--surface);
  position: relative; isolation: isolate;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 22px 0 24px;
  border: 1px solid var(--cta-cor); border-radius: 0;
  font-family: var(--font-display); font-size: 16px; font-weight: 700;
  letter-spacing: -.01em;
  text-decoration: none; cursor: pointer; overflow: hidden;
  transition: color .3s ease, transform .16s cubic-bezier(.23, 1, .32, 1);
}
.cta:active { transform: scale(.98); }
.cta::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--cta-cor);
  transform: scaleX(0); transform-origin: left center;
  transition: transform .34s cubic-bezier(.22, 1, .36, 1);
}
.cta__seta { display: flex; font-size: 18px; line-height: 1; transition: transform .3s cubic-bezier(.23, 1, .32, 1); }
.cta:hover .cta__seta, .cta:focus-visible .cta__seta { transform: translateX(4px); }

/* vazio: enche da esquerda para a direita */
.cta--vazio { color: var(--cta-cor); background: transparent; }
.cta--vazio:hover::before, .cta--vazio:focus-visible::before { transform: scaleX(1); }
.cta--vazio:hover, .cta--vazio:focus-visible { color: var(--cta-tinta); }

/* cheio: nasce preenchido e esvazia para a direita — mesma mecânica, sentido inverso */
.cta--cheio { color: var(--cta-tinta); }
.cta--cheio::before { transform: scaleX(1); transform-origin: right center; }
.cta--cheio:hover::before, .cta--cheio:focus-visible::before { transform: scaleX(0); }
.cta--cheio:hover, .cta--cheio:focus-visible { color: var(--cta-cor); }

/* ===== páginas de área (Estudar, Ferramentas, Modelos) =====
   O título é o desenho: grande, sem rótulo em cima, sem linha de números.
   As contagens viram uma linha de metadado. */
.area { padding: clamp(56px, 8.5vw, 112px) 0 0; }
.area__titulo {
  font-size: clamp(58px, 9.6vw, 124px); font-weight: 800;
  letter-spacing: -.04em; line-height: .9; margin: 0 0 30px;
}
.area__lead {
  font-family: var(--font-body); font-size: clamp(18px, 1.5vw, 21px); line-height: 1.55;
  color: var(--ink-soft); max-width: 52ch; margin: 0;
}
.area__meta { margin: 18px 0 0; font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); }
.area__acoes { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 30px; margin-top: 38px; }
.area__link {
  font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--ink);
  text-decoration: underline; text-decoration-color: var(--line); text-decoration-thickness: 2px;
  text-underline-offset: 6px; transition: text-decoration-color .15s ease;
}
.area__link:hover { text-decoration-color: var(--accent); }

/* ===== o percurso da estudar.html: numerado porque a ordem é a recomendação ===== */
.percurso { margin-top: clamp(72px, 9vw, 120px); display: grid; gap: 64px; }
.percurso__grupo {
  display: grid; grid-template-columns: minmax(200px, 270px) minmax(0, 1fr); gap: 24px 56px;
  padding-top: 22px; border-top: 1px solid var(--ink); scroll-margin-top: 84px;
}
.percurso__cabeca h2 { font-size: clamp(24px, 2.4vw, 30px); font-weight: 800; letter-spacing: -.03em; margin: 0 0 10px; }
.percurso__cabeca p { margin: 0; max-width: 34ch; font-size: 15.5px; line-height: 1.5; color: var(--muted); }
.percurso__lista {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(min(250px, 100%), 1fr));
  border-top: 1px solid var(--line); border-left: 1px solid var(--line);
}
.percurso__lista > li { display: flex; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.percurso__item {
  flex: 1; display: flex; flex-direction: column; gap: 6px;
  padding: 20px 22px 20px; background: var(--ground);
  text-decoration: none; color: inherit;
  transition: background-color .2s ease;
}
.percurso__num { margin-bottom: 10px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); transition: color .2s ease; }
.percurso__nome {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px;
  font-family: var(--font-display); font-size: 21px; font-weight: 700; letter-spacing: -.02em; line-height: 1.15; color: var(--ink);
}
.percurso__desc { font-size: 15px; line-height: 1.45; color: var(--muted); }
.percurso__meta { margin-top: auto; padding-top: 16px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.percurso__progresso {
  position: relative; padding-bottom: 8px;
  font-family: var(--font-mono); font-size: 12px; color: var(--accent);
}
.percurso__progresso::before, .percurso__progresso::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
}
.percurso__progresso::before { background: var(--line); }
.percurso__progresso::after { background: var(--accent); transform: scaleX(var(--feito, 0)); transform-origin: left center; }
.percurso__item:focus-visible { outline-offset: -3px; }
@media (hover: hover) and (pointer: fine) {
  .percurso__item:hover { background: var(--surface); }
  .percurso__item:hover .percurso__num { color: var(--accent); }
}
@media (max-width: 800px) {
  .percurso__grupo { grid-template-columns: 1fr; gap: 18px; }
}

.home__nota { margin-top: 44px; border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent); background: var(--accent-soft); padding: 16px 18px; border-radius: 6px; max-width: 72ch; font-size: 15.5px; }
.home__nota strong { font-family: var(--font-display); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 18px; }
.card-trilha {
  display: flex; flex-direction: column; gap: 10px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 7px; padding: 24px; text-decoration: none; color: inherit;
}
.card-trilha:hover { border-color: var(--accent); }
.card-trilha__topo { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.card-trilha h2 { font-size: 21px; font-weight: 700; letter-spacing: -.012em; margin-right: auto; white-space: nowrap; }
.card-trilha p { color: var(--muted); font-size: 15.5px; margin: 0; flex: 1; }
.card-trilha__pe { font-family: var(--font-display); font-size: 12px; font-weight: 600; color: var(--accent); }


.trilha-intro { margin: 0 0 8px; font-size: 17.5px; color: var(--ink-soft); max-width: 64ch; }

@media (max-width: 520px) {
  .cards { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .trilhas__interno { padding: 0 16px; }
  .home { padding: 0 16px 70px; }
  .home__hero { padding: 40px 0 30px; }
}

/* ===== GERADOR DE COMANDO ===== */
.topico__corpo.ferramenta { max-width: none; }

/* os tipos em quatro grupos, na ordem do trabalho: começar, construir, ajustar, revisar */
.ger__tipos { display: grid; gap: 8px; margin-bottom: 14px; }
.ger__grupo { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.ger__grupo-rot {
  flex: none; width: 76px;
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
}
.ger__sobre { margin: 0 0 22px; font-size: 14.5px; line-height: 1.55; color: var(--ink-soft); max-width: 68ch; }
.ger__sobre a { color: var(--accent); font-weight: 600; white-space: nowrap; }
@media (max-width: 560px) { .ger__grupo-rot { width: 100%; margin-top: 4px; } }
.ger__tipo {
  font-family: var(--font-display); font-size: 12.5px; font-weight: 600;
  background: var(--surface); color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 14px; cursor: pointer; white-space: nowrap;
}
/* trocar de tipo é ação repetida: sem animação de troca, só o aperto do botão */
.ger__tipo { transition: border-color .15s ease, color .15s ease, transform .16s cubic-bezier(.23, 1, .32, 1); }
.ger__tipo:active { transform: scale(.97); }
@media (hover: hover) and (pointer: fine) {
  .ger__tipo:hover { border-color: var(--accent); color: var(--accent); }
}
.ger__tipo[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--surface); }

.ger { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 26px; align-items: start; }

.ger__campo { margin-bottom: 15px; }
.ger__campo label {
  display: block; font-family: var(--font-display);
  font-size: 12px; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 5px;
}
.ger__campo .dica {
  display: block; font-family: var(--font-body); font-size: 13px;
  font-weight: 400; letter-spacing: 0; text-transform: none;
  color: var(--muted); margin-top: 2px;
}
.ger__campo input, .ger__campo textarea, .ger__campo select {
  width: 100%; font-family: var(--font-body); font-size: 15px;
  color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: 4px;
  padding: 9px 11px; line-height: 1.45;
}
.ger__campo textarea { resize: vertical; min-height: 68px; }
.ger__campo input:focus, .ger__campo textarea:focus, .ger__campo select:focus {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent;
}
.ger__campo--forte label { color: var(--accent); }

.ger__lado { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 64px); display: flex; flex-direction: column; gap: 14px; }

.ger__saida-caixa { border: 1px solid var(--code-line); border-radius: 5px; overflow: hidden; background: var(--code-bg); }
.ger__saida-barra {
  display: flex; align-items: center; gap: 10px; padding: 7px 12px;
  border-bottom: 1px solid var(--code-line);
}
.ger__saida-rot {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; color: #8FCFA2; margin-right: auto;
}
.ger__saida {
  margin: 0; padding: 14px 16px; overflow: auto; max-height: 52vh;
  color: var(--code-ink); font-family: var(--font-mono);
  font-size: 12.5px; line-height: 1.6; white-space: pre-wrap; word-break: break-word;
}

.ger__diag { display: flex; flex-direction: column; gap: 8px; }
.ger__forca {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 12.5px; color: var(--muted);
}
.ger__barra { flex: 1; height: 5px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.ger__barra span { display: block; height: 100%; background: var(--accent); width: 0; transition: width .25s; }
.ger__aviso {
  font-size: 14px; line-height: 1.45;
  border: 1px solid color-mix(in srgb, var(--html) 30%, transparent); background: var(--html-bg);
  padding: 9px 12px; border-radius: 6px;
}
.ger__aviso--leve { border-color: var(--line); background: var(--surface-2); color: var(--muted); }
.ger__aviso strong { font-family: var(--font-display); }

.ger__limpar {
  align-self: flex-start; font-family: var(--font-display); font-size: 12px; font-weight: 600;
  background: transparent; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 13px; cursor: pointer;
}
.ger__limpar:hover { border-color: var(--html); color: var(--html); }

.ger__nota { margin-top: 20px; font-size: 14px; color: var(--muted); max-width: 70ch; }

@media (max-width: 900px) {
  .ger { grid-template-columns: minmax(0,1fr); gap: 20px; }
  .ger__lado { position: static; }
  .ger__saida { max-height: 45vh; }
}

/* ===== COLOFÃO ===== */
.colofao { display: flex; flex-direction: column; gap: 42px; margin-top: 44px; }
.colofao__bloco { max-width: 72ch; }
.colofao__bloco h2 {
  font-size: 22px; font-weight: 700; letter-spacing: -.014em;
  margin-bottom: 12px; padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.colofao__bloco p { margin-bottom: .9em; }
.colofao__bloco .tabela-caixa { max-width: none; }
.colofao__assinatura {
  font-family: var(--font-display); font-size: 13px; font-weight: 600;
  color: var(--muted); margin-top: 22px;
}

  /* ============================================================
     LABORATÓRIO — demonstrações rodando ao vivo
     ============================================================ */
  .lab {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(235px, 1fr));
    gap: 14px;
    margin: 22px 0 8px;
  }
  @media (min-width: 1060px) {
    .topico__corpo:not(.ferramenta) .lab { width: calc(100% + 130px); }
  }

  /* ============================================================
     VITRINE — exemplo vivo num palco escuro, controles no canto
     ============================================================ */
  .exemplos__seta { display: none; }   /* a seta só existe com a coluna de exemplos */
  .vitrine {
    --vx-destaque: color-mix(in srgb, var(--accent) 55%, #FFFFFF);
    margin: 18px 0 22px;
  }
  .vitrine__palco {
    position: relative; overflow: hidden;
    height: 290px; display: grid; place-items: center;
    border: 1px solid #1F2B29; border-radius: 6px;
    color: #E7EDEB;
    background-color: #0B1211;
    background-image:
      radial-gradient(60% 70% at 50% 45%, color-mix(in srgb, var(--vx-destaque) 12%, transparent), transparent 70%),
      radial-gradient(circle, rgb(255 255 255 / .07) 1px, transparent 1.2px);
    background-size: auto, 18px 18px;
  }
  .vitrine__acoes { position: absolute; top: 12px; right: 12px; z-index: 2; display: flex; gap: 6px; }
  .vitrine__controles {
    position: absolute; left: 12px; right: 12px; bottom: 12px; z-index: 2;
    display: flex; flex-wrap: wrap; gap: 5px;
  }
  .vitrine__botao, .vitrine__chip {
    font-family: var(--font-mono); font-size: 10.5px; font-weight: 700;
    letter-spacing: .08em; text-transform: uppercase;
    padding: 8px 11px; border-radius: 3px; cursor: pointer;
    color: #DCE5E2; background: #111B1A; border: 1px solid #2A3835;
    transition: border-color .15s ease, color .15s ease, background-color .15s ease, transform .16s cubic-bezier(.23, 1, .32, 1);
  }
  .vitrine__chip { text-transform: none; letter-spacing: 0; font-weight: 400; padding: 6px 9px; }
  .vitrine__botao:active, .vitrine__chip:active { transform: scale(.97); }
  .vitrine__botao[aria-pressed="true"], .vitrine__chip[aria-pressed="true"] {
    background: var(--vx-destaque); color: #0B1211; border-color: transparent;
  }
  @media (hover: hover) and (pointer: fine) {
    .vitrine__botao:hover, .vitrine__chip:hover { border-color: var(--vx-destaque); }
  }
  .vitrine__botao:focus-visible, .vitrine__chip:focus-visible { outline: 2px solid var(--vx-destaque); outline-offset: 2px; }
  .vitrine__leitura {
    position: absolute; left: 14px; bottom: 12px; margin: 0;
    font-family: var(--font-mono); font-size: 11px; color: #9FB0AC;
  }
  .vitrine__rodape {
    display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
    padding: 9px 2px 0; font-family: var(--font-display); font-size: 13px; color: var(--ink-soft);
  }
  .vitrine__dica { font-family: var(--font-mono); font-size: 11px; color: var(--muted); white-space: nowrap; }
  .vitrine__codigo .bloco-codigo { margin: 10px 0 0; }
  .vitrine.is-pausada .vitrine__palco * { animation-play-state: paused !important; }

  /* cubo 3D — arrastar gira; movimento constante é linear */
  .vitrine__palco:has(.vx-cubo) { cursor: grab; touch-action: pan-y; user-select: none; }
  .vitrine__palco:has(.vx-cubo):active { cursor: grabbing; }
  .vx-cena { perspective: 700px; }
  .vx-cubo {
    --l: 96px;
    width: var(--l); height: var(--l); position: relative;
    transform-style: preserve-3d;
    animation: vx-gira 9s linear infinite;
  }
  .vx-cubo span {
    position: absolute; inset: 0;
    border: 1px solid rgb(255 255 255 / .16);
    background: var(--vx-face);
  }
  .vx-f1 { --vx-face: color-mix(in srgb, var(--vx-destaque) 78%, #000); transform: translateZ(calc(var(--l) / 2)); }
  .vx-f2 { --vx-face: color-mix(in srgb, var(--vx-destaque) 52%, #000); transform: rotateY(180deg) translateZ(calc(var(--l) / 2)); }
  .vx-f3 { --vx-face: color-mix(in srgb, var(--vx-destaque) 64%, #000); transform: rotateY(90deg) translateZ(calc(var(--l) / 2)); }
  .vx-f4 { --vx-face: color-mix(in srgb, var(--vx-destaque) 64%, #000); transform: rotateY(-90deg) translateZ(calc(var(--l) / 2)); }
  .vx-f5 { --vx-face: var(--vx-destaque); transform: rotateX(90deg) translateZ(calc(var(--l) / 2)); }
  .vx-f6 { --vx-face: color-mix(in srgb, var(--vx-destaque) 40%, #000); transform: rotateX(-90deg) translateZ(calc(var(--l) / 2)); }
  @keyframes vx-gira {
    from { transform: rotateX(-22deg) rotateY(0deg); }
    to   { transform: rotateX(-22deg) rotateY(360deg); }
  }

  /* flexbox */
  .vx-flex {
    display: flex; gap: 10px; width: min(86%, 380px); margin-top: -18px;
    padding: 12px; border: 1px dashed rgb(255 255 255 / .22); border-radius: 6px;
  }
  .vx-flex span, .vx-grade span {
    display: grid; place-items: center; border-radius: 5px;
    background: var(--vx-destaque); color: #0B1211;
    font-family: var(--font-mono); font-size: 13px; font-weight: 700;
  }
  .vx-flex span { width: 52px; height: 52px; }

  /* grid: a caixa tem alça de redimensionar no canto */
  .vx-grade-caixa {
    resize: horizontal; overflow: auto;
    width: 86%; min-width: 120px; max-width: 94%; margin-top: -22px;
    padding: 10px; border: 1px dashed rgb(255 255 255 / .22); border-radius: 6px;
  }
  .vx-grade { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(64px, 1fr)); }
  .vx-grade span { height: 38px; }

  /* modo escuro: o mesmo CSS, duas aparências */
  .vx-tema {
    width: min(86%, 300px); margin-top: -22px; padding: 18px 18px 20px; border-radius: 8px;
    background: light-dark(#FFFCF7, #16181C); color: light-dark(#3F444D, #E8E6E1);
    border: 1px solid light-dark(#E6E2DA, #2E3236);
    transition: background-color .25s ease, color .25s ease, border-color .25s ease;
  }
  .vx-tema p { margin: 0 0 6px; }
  .vx-tema__olho { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: light-dark(#7A1C30, #D9869A); }
  .vx-tema__titulo { font-family: var(--font-display); font-size: 17px; font-weight: 800; line-height: 1.2; }
  .vx-tema__texto { font-size: 13.5px; line-height: 1.45; color: light-dark(#6B7280, #A1A7AD); }
  .vx-tema__texto code { font-size: 12px; background: light-dark(#F0EBE2, #23262A); color: inherit; padding: 1px 4px; border-radius: 3px; }
  .vx-tema__botao {
    display: inline-block; margin-top: 8px; padding: 8px 14px; border-radius: 6px;
    font-family: var(--font-display); font-size: 13px; font-weight: 700;
    background: light-dark(#7A1C30, #D9869A); color: light-dark(#FFFFFF, #16181C);
    transition: background-color .25s ease, color .25s ease;
  }

  /* ===== palcos que rolam por dentro (paralaxe, reveal, barra de leitura) ===== */
  .vitrine__palco--alto { height: 360px; }
  .vitrine__palco--rolagem { display: block; }
  .vx-rolagem {
    position: absolute; inset: 0; overflow-y: auto; overscroll-behavior: contain;
    scrollbar-width: thin; scrollbar-color: #2A3835 transparent;
  }
  .vx-rolagem:focus-visible { outline: 2px solid var(--vx-destaque); outline-offset: -2px; }
  .vx-rolagem__dica {
    margin: 0; padding: 22px 18px 0; text-align: center;
    font-family: var(--font-mono); font-size: 11px; color: #9FB0AC;
  }

  /* "fotos" em CSS — gradientes no lugar de imagem, para não depender de arquivo de fora */
  .vx-foto { display: block; background-color: #1A2322; }
  .vx-foto--1 { background: radial-gradient(circle at 72% 30%, #F4D9A8 0 11%, transparent 12%), linear-gradient(to top, #1B2A3A 0 22%, transparent 22%), linear-gradient(to top, #6B4B5E, #D98E6B 70%, #F1B98C); }
  .vx-foto--2 { background: repeating-linear-gradient(0deg, rgb(255 255 255 / .09) 0 2px, transparent 2px 13px), repeating-linear-gradient(90deg, #0E1516 0 26px, #1C2A2C 26px 30px), linear-gradient(160deg, #3B5057, #0E1516); }
  .vx-foto--3 { background: radial-gradient(120% 55% at 25% 100%, #B97F45 0 42%, transparent 43%), radial-gradient(130% 60% at 85% 100%, #9A6431 0 46%, transparent 47%), linear-gradient(#F3D6A2, #E3A566); }
  .vx-foto--4 { background: repeating-linear-gradient(170deg, rgb(255 255 255 / .12) 0 1px, transparent 1px 12px), linear-gradient(to bottom, #A9CBD6 0 44%, #2A6E82 44% 70%, #174757); }
  .vx-foto--5 { background: radial-gradient(40% 55% at 20% 100%, #1F3B2A 0 60%, transparent 61%), radial-gradient(45% 70% at 60% 100%, #264A33 0 60%, transparent 61%), radial-gradient(35% 50% at 92% 100%, #1B3325 0 60%, transparent 61%), linear-gradient(#C9D8B6, #7FA07A); }

  /* paralaxe */
  .vx-quadro { position: relative; height: 250px; display: grid; place-items: center; }
  .vx-quadro:first-child { margin-top: 40px; }
  .vx-quadro:last-child { margin-bottom: 60px; }
  .vx-paralaxe .vx-foto { width: 54%; height: 200px; border-radius: 3px; will-change: transform; }
  .vx-num {
    position: absolute; right: 9%; top: 50%; margin-top: -24px;
    font-family: var(--font-mono); font-size: clamp(30px, 6vw, 44px); font-weight: 800; letter-spacing: -.02em;
    color: var(--vx-destaque); will-change: transform;
  }
  .vx-barra {
    position: absolute; left: 14%; right: 14%; bottom: 14px; height: 4px; border-radius: 2px;
    background: var(--vx-destaque); transform-origin: left; transform: scaleX(0);
  }

  /* pistas: curvas e durações */
  .vx-pistas { width: 88%; display: grid; gap: 16px; margin-top: 18px; }
  .vx-pista { display: grid; gap: 5px; }
  .vx-pista__nome { font-family: var(--font-mono); font-size: 11px; color: #9FB0AC; }
  .vx-pista__trilho { position: relative; height: 16px; border-radius: 8px; background: rgb(255 255 255 / .06); }
  .vx-bola { position: absolute; left: 0; top: 0; width: 16px; height: 16px; border-radius: 50%; background: var(--vx-destaque); box-shadow: 0 0 0 4px color-mix(in srgb, var(--vx-destaque) 20%, transparent); }

  /* encadeamento */
  .vx-pontos { display: grid; grid-template-columns: repeat(7, 26px); gap: 12px; margin-top: -26px; }
  .vx-pontos i { width: 26px; height: 26px; border-radius: 6px; background: var(--vx-destaque); }
  .vx-pontos i:nth-child(3n) { background: color-mix(in srgb, var(--vx-destaque) 60%, #0B1211); }

  /* reveal */
  .vx-revela { display: grid; gap: 12px; align-content: start; padding-bottom: 40px; }
  .vx-cartao {
    display: grid; grid-template-columns: 76px 1fr; gap: 12px; align-items: center;
    margin: 0 18px; padding: 10px; border: 1px solid #22302D; border-radius: 6px; background: #101A19;
  }
  .vx-cartao:first-of-type { margin-top: 70px; }
  .vx-cartao .vx-foto { height: 56px; border-radius: 4px; }
  .vx-linhas { display: grid; gap: 7px; }
  .vx-linhas i { height: 8px; border-radius: 4px; background: #24322F; }
  .vx-linhas i:first-child { width: 70%; background: #33443F; }
  .vitrine.is-js [data-vx-reveal] {
    opacity: 0; transform: translateY(18px);
    transition: opacity .6s cubic-bezier(.22, .61, .36, 1), transform .6s cubic-bezier(.22, .61, .36, 1);
  }
  .vitrine.is-js [data-vx-reveal].is-in { opacity: 1; transform: none; }

  /* altura automática */
  .vx-acordeao { width: min(88%, 380px); display: grid; gap: 8px; }
  .vx-item { border: 1px solid #26332F; border-radius: 6px; background: #101A19; }
  .vx-item__cab {
    width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 10px;
    padding: 11px 14px; background: none; border: 0; color: #E7EDEB; cursor: pointer;
    font-family: var(--font-display); font-size: 14px; font-weight: 700; text-align: left;
  }
  .vx-item__cab span { transition: transform .3s cubic-bezier(.4, 0, .2, 1); color: var(--vx-destaque); }
  .vx-item__cab[aria-expanded="true"] span { transform: rotate(45deg); }
  .vx-painel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s cubic-bezier(.4, 0, .2, 1); }
  .vx-painel.is-aberto { grid-template-rows: 1fr; }
  .vx-painel > div { overflow: hidden; }
  .vx-painel p { margin: 0; padding: 0 14px 12px; font-size: 13.5px; line-height: 1.5; color: #B7C4C0; }

  /* retorno ao toque */
  .vx-toques { display: flex; gap: 28px; flex-wrap: wrap; justify-content: center; }
  .vx-toques > div { display: grid; gap: 8px; justify-items: center; }
  .vx-toques small { font-family: var(--font-mono); font-size: 10.5px; color: #9FB0AC; }
  .vx-botao {
    font-family: var(--font-display); font-size: 15px; font-weight: 700;
    padding: 13px 22px; border: 0; border-radius: 6px; cursor: pointer;
    background: var(--vx-destaque); color: #0B1211;
  }
  .vx-botao--com { transition: transform .15s cubic-bezier(.4, 0, .2, 1), background-color .2s ease; }
  @media (hover: hover) and (pointer: fine) { .vx-botao--com:hover { transform: translateY(-2px); } }
  .vx-botao--com:active { transform: translateY(0) scale(.98); transition-duration: .05s; }

  /* contador */
  .vx-contador { display: grid; gap: 6px; justify-items: center; text-align: center; }
  .vx-contador__num {
    font-family: var(--font-display); font-size: clamp(48px, 9vw, 68px); font-weight: 800; letter-spacing: -.03em;
    color: var(--vx-destaque); font-variant-numeric: tabular-nums; line-height: 1;
  }
  .vx-contador span { font-family: var(--font-mono); font-size: 11px; color: #9FB0AC; }

  /* zoom sem estourar */
  .vx-molduras { display: flex; gap: 22px; }
  .vx-moldura { display: grid; gap: 8px; justify-items: center; outline: none; }
  .vx-moldura__janela { display: block; width: 130px; height: 150px; border-radius: 6px; }
  .vx-moldura:not(.vx-moldura--solta) .vx-moldura__janela { overflow: hidden; box-shadow: 0 0 0 1px #2A3835; }
  .vx-moldura--solta { position: relative; z-index: 1; }
  .vx-moldura .vx-foto { width: 100%; height: 100%; border-radius: 6px; transition: transform .5s cubic-bezier(.22, .61, .36, 1); }
  .vx-moldura small { font-family: var(--font-mono); font-size: 10.5px; color: #9FB0AC; }
  @media (hover: hover) and (pointer: fine) {
    .vx-moldura:hover .vx-foto { transform: scale(1.12); }
  }
  .vx-moldura:focus-visible .vx-foto { transform: scale(1.12); }
  .vx-moldura:focus-visible small { color: var(--vx-destaque); }

  /* barra de leitura */
  .vx-leitura { padding: 0 22px 40px; }
  .vx-progresso {
    position: sticky; top: 0; z-index: 1; height: 4px; margin: 0 -22px 18px;
    background: var(--vx-destaque); transform-origin: left; transform: scaleX(0);
  }
  .vx-leitura p { margin: 0 0 14px; font-size: 14.5px; line-height: 1.6; color: #C9D4D1; max-width: 46ch; }

  /* traço */
  .vx-traco { width: 86%; max-width: 380px; overflow: visible; margin-top: -10px; }
  .vx-traco path { fill: none; stroke-width: 5; stroke-linecap: round; }
  .vx-traco__guia { stroke: rgb(255 255 255 / .08); }
  .vx-traco__linha {
    stroke: var(--vx-destaque); stroke-dasharray: 1; stroke-dashoffset: 1;
    transition: stroke-dashoffset 1.2s cubic-bezier(.65, 0, .35, 1);
  }
  .vx-traco__linha.is-desenhado { stroke-dashoffset: 0; }

  /* arrastar */
  .vitrine__palco:has(.vx-arrastavel) { overflow: hidden; }
  .vx-arrastavel {
    width: 118px; height: 118px; display: grid; place-items: center; border-radius: 16px;
    background: var(--vx-destaque); color: #0B1211; cursor: grab; touch-action: none; user-select: none;
    font-family: var(--font-mono); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
    box-shadow: 0 10px 30px -10px rgb(0 0 0 / .6);
    transition: box-shadow .2s ease;
  }
  .vx-arrastavel.is-arrastando { cursor: grabbing; box-shadow: 0 22px 44px -12px rgb(0 0 0 / .75); }

  .vitrine__botao--principal { background: var(--vx-destaque); color: #0B1211; border-color: transparent; }

  /* ===== o exemplo grande demais vira cartão ao lado do texto ===== */
  .exemplos__abrir { display: none; }
  .exemplos.is-fechado > .bloco-codigo,
  .exemplos.is-fechado > .vitrine,
  .exemplos.is-sem-codigo > .bloco-codigo { display: none; }
  .exemplos.is-sem-codigo > .vitrine { margin-bottom: 10px; }
  .exemplos.is-fechado > .exemplos__abrir,
  .exemplos.is-sem-codigo > .exemplos__abrir {
    display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2px 12px;
    width: 100%; padding: 12px 16px; text-align: left; cursor: pointer;
    border: 1px solid var(--line); border-radius: 6px; background: var(--surface); color: var(--ink);
    transition: border-color .15s ease, transform .16s cubic-bezier(.23, 1, .32, 1);
  }
  .exemplos__abrir:active { transform: scale(.98); }
  @media (hover: hover) and (pointer: fine) { .exemplos__abrir:hover { border-color: var(--accent); } }
  .exemplos__abrir:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
  .exemplos__abrir-t { font-family: var(--font-display); font-size: 14px; font-weight: 700; }
  .exemplos__abrir-tipos { grid-column: 1; font-family: var(--font-mono); font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
  .exemplos__abrir-seta { grid-column: 2; grid-row: 1 / span 2; font-size: 22px; color: var(--accent); line-height: 1; }

  .exemplo-modal {
    width: min(760px, calc(100vw - 32px)); max-height: calc(100vh - 64px); padding: 0;
    border: 1px solid var(--line); border-radius: 10px; background: var(--ground); color: var(--ink);
    box-shadow: 0 30px 80px -20px rgb(0 0 0 / .5);
  }
  .exemplo-modal[open] { animation: modal-entra .22s cubic-bezier(.23, 1, .32, 1); }
  .exemplo-modal::backdrop { background: rgb(8 12 12 / .55); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); }
  @keyframes modal-entra { from { opacity: 0; transform: scale(.96); } }
  .exemplo-modal__barra {
    position: sticky; top: 0; z-index: 3; display: flex; align-items: center; gap: 12px;
    padding: 12px 14px 12px 20px; background: var(--ground); border-bottom: 1px solid var(--line-soft);
  }
  .exemplo-modal__titulo { margin: 0; flex: 1; font-family: var(--font-display); font-size: 15px; font-weight: 700; }
  .exemplo-modal__fechar {
    width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface);
    color: var(--ink-soft); font-size: 20px; line-height: 1; cursor: pointer;
    transition: border-color .15s ease, transform .16s cubic-bezier(.23, 1, .32, 1);
  }
  .exemplo-modal__fechar:active { transform: scale(.94); }
  @media (hover: hover) and (pointer: fine) { .exemplo-modal__fechar:hover { border-color: var(--accent); color: var(--accent); } }
  .exemplo-modal__corpo { padding: 18px 20px 22px; display: grid; gap: 14px; }
  .exemplo-modal__corpo > .bloco-codigo, .exemplo-modal__corpo > .vitrine { margin: 0; }

  @media (prefers-reduced-motion: reduce) {
    .vx-cubo { animation: none; transform: rotateX(-22deg) rotateY(38deg); }
    .vitrine.is-js [data-vx-reveal] { opacity: 1; transform: none; }
    .vx-traco__linha { stroke-dashoffset: 0; }
  }
  .demo {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  .demo__palco {
    position: relative;
    height: 190px;
    display: grid;
    place-items: center;
    padding: 16px;
    overflow: hidden;
    background-color: var(--surface-2);
    background-image:
      linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
      linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
    background-size: 26px 26px;
  }
  .demo__pe {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 13px;
    border-top: 1px solid var(--line-soft);
  }
  .demo__info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
  .demo__info strong {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.25;
  }
  .demo__info span {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--muted);
  }
  .demo__acoes { margin-left: auto; display: flex; align-items: center; gap: 7px; flex-shrink: 0; }
  .demo__selo {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    padding: 3px 6px;
    border-radius: 2px;
    background: var(--surface-2);
    color: var(--muted);
  }
  .demo__selo[data-l="css"]    { background: var(--css-bg);  color: var(--css); }
  .demo__selo[data-l="js"]     { background: var(--js-bg);   color: var(--js); }
  .demo__selo[data-l="motion"] { background: var(--accent-soft); color: var(--accent); }
  .demo__selo[data-l="gsap"]   { background: var(--html-bg); color: var(--html); }
  .demo__rodar {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    padding: 5px 10px;
    border: 1px solid var(--line);
    border-radius: 2px;
    background: var(--surface);
    color: var(--ink-soft);
    cursor: pointer;
    transition: border-color .15s, color .15s, background .15s;
  }
  .demo__rodar:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
  .demo__codigo { border-top: 1px solid var(--line-soft); }
  .demo__codigo > summary {
    list-style: none;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--muted);
    padding: 9px 13px;
    user-select: none;
  }
  .demo__codigo > summary::-webkit-details-marker { display: none; }
  .demo__codigo > summary::before { content: "▸ "; }
  .demo__codigo[open] > summary::before { content: "▾ "; }
  .demo__codigo > summary:hover { color: var(--accent); }
  .demo__codigo .bloco-codigo { margin: 0; border-radius: 0; border-left: 0; border-right: 0; border-bottom: 0; }
  .demo__codigo .bloco-codigo pre { max-height: 300px; overflow: auto; font-size: 11.5px; }
  .demo__aviso {
    position: absolute;
    inset: auto 8px 8px 8px;
    font-family: var(--font-mono);
    font-size: 10.5px;
    line-height: 1.4;
    color: var(--muted);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 5px 7px;
  }

  /* --- peças reutilizadas dentro dos palcos --- */
  .pc {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 600;
    color: var(--ink);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 9px 11px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .pc__ponto { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
  .pc-cta {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    background: var(--accent);
    border: 0;
    border-radius: 3px;
    padding: 12px 20px;
    cursor: pointer;
  }

  /* 1 · cascata */
  .d-cascata { display: grid; gap: 8px; width: 100%; max-width: 210px; }
  .d-cascata .pc { opacity: 0; transform: translateY(14px); }
  .d-cascata.roda .pc {
    animation: dSobe .5s cubic-bezier(.22,1,.36,1) forwards;
    animation-delay: calc(var(--i) * 70ms);
  }
  @keyframes dSobe { to { opacity: 1; transform: none; } }

  /* 2 · mola */
  .d-mola { display: grid; place-items: center; }

  /* 3 · revelar ao rolar */
  .d-rolagem { width: 100%; height: 158px; overflow-y: auto; border: 1px solid var(--line); border-radius: 2px; background: var(--surface); }
  .d-rolagem__interno { padding: 12px; display: grid; gap: 10px; }
  .d-rolagem__espaco { height: 90px; display: grid; place-items: center; font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); }
  .d-rolagem .pc { opacity: 0; transform: translateY(16px); transition: opacity .5s, transform .5s cubic-bezier(.22,1,.36,1); }
  .d-rolagem .pc.visivel { opacity: 1; transform: none; }

  /* 4 · barra ligada à rolagem */
  .d-barra { width: 100%; display: grid; gap: 8px; }
  .d-barra__trilho { height: 5px; background: var(--line); border-radius: 3px; overflow: hidden; }
  .d-barra__fita { height: 100%; width: 0%; background: var(--accent); border-radius: 3px; }
  .d-barra__caixa { height: 120px; overflow-y: auto; border: 1px solid var(--line); border-radius: 2px; background: var(--surface); }
  .d-barra__longo { height: 400px; padding: 10px; font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); }

  /* 5 · contador */
  .d-contador { text-align: center; }
  .d-contador__num { font-family: var(--font-display); font-size: 46px; font-weight: 800; color: var(--accent); line-height: 1; font-variant-numeric: tabular-nums; }
  .d-contador__rot { font-family: var(--font-mono); font-size: 11px; color: var(--muted); margin-top: 6px; }

  /* 6 · hover */
  .d-hover .pc {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    padding: 14px 16px;
    transition: transform .25s cubic-bezier(.22,1,.36,1), box-shadow .25s, border-color .25s;
  }
  .d-hover .pc small { font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); font-weight: 400; }
  .d-hover .pc:hover { transform: translateY(-4px); box-shadow: 0 12px 26px -14px rgba(0,0,0,.45); border-color: var(--accent); }

  /* 7 · timeline */
  .d-timeline { text-align: center; display: grid; gap: 9px; justify-items: center; }
  .d-timeline__t { font-family: var(--font-display); font-size: 19px; font-weight: 800; color: var(--ink); line-height: 1.15; }
  .d-timeline__s { font-family: var(--font-mono); font-size: 11px; color: var(--muted); }
  .d-timeline > * { opacity: 0; }

  /* 8 · marquee */
  .d-marquee { width: 100%; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
  .d-marquee__fita { display: flex; gap: 10px; width: max-content; animation: dCorre 14s linear infinite; }
  .d-marquee__fita .pc { white-space: nowrap; }
  .d-marquee:hover .d-marquee__fita { animation-play-state: paused; }
  @keyframes dCorre { to { transform: translateX(-50%); } }

  /* 9 · tilt */
  .d-tilt { perspective: 600px; }
  .d-tilt__carta {
    width: 150px; height: 108px;
    border-radius: 4px;
    background: linear-gradient(145deg, var(--accent), var(--ink));
    display: grid; place-items: center;
    color: #fff;
    font-family: var(--font-display); font-size: 13px; font-weight: 700;
    transform-style: preserve-3d;
    transition: transform .12s ease-out;
    will-change: transform;
  }

  /* 10 · acordeão */
  .d-acordeao { width: 100%; max-width: 230px; display: grid; gap: 6px; }
  .d-acordeao__item { border: 1px solid var(--line); border-radius: 2px; background: var(--surface); overflow: hidden; }
  .d-acordeao__cab { width: 100%; text-align: left; font-family: var(--font-display); font-size: 12.5px; font-weight: 600; color: var(--ink); background: none; border: 0; padding: 10px 12px; cursor: pointer; display: flex; justify-content: space-between; gap: 8px; }
  .d-acordeao__corpo { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .32s cubic-bezier(.4,0,.2,1); }
  .d-acordeao__item.aberto .d-acordeao__corpo { grid-template-rows: 1fr; }
  .d-acordeao__corpo > div { overflow: hidden; }
  .d-acordeao__corpo p { margin: 0; padding: 0 12px 11px; font-family: var(--font-mono); font-size: 11px; color: var(--muted); line-height: 1.5; }

  /* 11 · skeleton */
  .d-esqueleto { width: 100%; max-width: 210px; display: grid; gap: 8px; }
  .d-esqueleto__linha { height: 11px; border-radius: 3px; background: linear-gradient(90deg, var(--line-soft) 25%, var(--line) 37%, var(--line-soft) 63%); background-size: 400% 100%; animation: dBrilho 1.3s linear infinite; }
  .d-esqueleto__linha:nth-child(2) { width: 82%; }
  .d-esqueleto__linha:nth-child(3) { width: 58%; }
  @keyframes dBrilho { to { background-position: -135% 0; } }
  .d-esqueleto__real { display: none; }
  .d-esqueleto.pronto .d-esqueleto__linha { display: none; }
  .d-esqueleto.pronto .d-esqueleto__real { display: block; animation: dEntra .4s ease-out both; }
  .d-esqueleto__real strong { font-family: var(--font-display); font-size: 14px; color: var(--ink); display: block; }
  .d-esqueleto__real span { font-family: var(--font-mono); font-size: 11px; color: var(--muted); }
  @keyframes dEntra { from { opacity: 0; transform: translateY(6px); } }

  /* 12 · pulso no CTA */
  .d-pulso .pc-cta { position: relative; }
  .d-pulso .pc-cta::after {
    content: ""; position: absolute; inset: 0; border-radius: inherit;
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent);
    animation: dPulso 2.4s cubic-bezier(.22,1,.36,1) infinite;
  }
  @keyframes dPulso { to { box-shadow: 0 0 0 16px transparent; } }

  @media (prefers-reduced-motion: reduce) {
    .d-cascata.roda .pc, .d-marquee__fita, .d-esqueleto__linha, .d-pulso .pc-cta::after { animation: none; }
    .d-cascata.roda .pc { opacity: 1; transform: none; }
    .d-rolagem .pc, .d-hover .pc, .d-tilt__carta, .d-acordeao__corpo { transition: none; }
  }

  @media (max-width: 600px) {
    .lab { grid-template-columns: 1fr; }
    .demo__palco { height: 175px; }
  }

  /* ===== PULAR PARA O CONTEÚDO ===== */
  .pular {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 999;
  }
  .pular:focus {
    left: 10px;
    top: 10px;
    background: var(--surface);
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    padding: 11px 16px;
    border: 2px solid var(--accent);
    border-radius: 3px;
    box-shadow: 0 8px 24px -10px rgba(0,0,0,.35);
  }
  main:focus { outline: none; }

  /* ===== NAVEGAÇÃO ENTRE TRILHAS ===== */
  .passo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 72px 0 24px;
  }
  .passo__item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 18px 4px;
    border-top: 1px solid var(--line);
    text-decoration: none;
  }
  .passo__item:hover strong { color: var(--accent); }
  .passo__item span {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--muted);
  }
  .passo__item strong {
    font-family: var(--font-display);
    font-size: clamp(19px, 2vw, 24px);
    font-weight: 800;
    letter-spacing: -.025em;
    color: var(--ink);
    line-height: 1.15;
    transition: color .15s ease;
  }
  .passo__item--prox { text-align: right; align-items: flex-end; }
  .passo__item--ant span::before  { content: "← "; }
  .passo__item--prox span::after  { content: " →"; }
  @media (max-width: 560px) {
    .passo { grid-template-columns: 1fr; }
    .passo__item--prox { text-align: left; align-items: flex-start; }
  }

  /* ===== PÁGINA 404 ===== */
  .erro404 {
    max-width: 640px;
    margin: 0 auto;
    padding: 90px 20px 110px;
    text-align: center;
  }
  .erro404__num {
    font-family: var(--font-mono);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .12em;
    color: var(--accent);
    margin-bottom: 18px;
  }
  .erro404 h1 {
    font-family: var(--font-display);
    font-size: clamp(30px, 6vw, 46px);
    font-weight: 800;
    line-height: 1.1;
    color: var(--ink);
    margin: 0 0 16px;
  }
  .erro404 p {
    font-size: 17.5px;
    color: var(--ink-soft);
    line-height: 1.6;
    margin: 0 auto 30px;
    max-width: 52ch;
  }
  .erro404__links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
  }
  .erro404__links a {
    font-family: var(--font-display);
    font-size: 14.5px;
    font-weight: 600;
    padding: 11px 17px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--ink);
    text-decoration: none;
    transition: border-color .18s, background .18s;
  }
  .erro404__links a:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
  .erro404__links a.principal { background: var(--accent); border-color: var(--accent); color: #fff; }
  .erro404__links a.principal:hover { opacity: .9; color: #fff; }

  /* ============================================================
     HOME — grade densa de células com fio compartilhado
     ============================================================ */
  /* ============================================================
     CONFRONTO — o mesmo elemento, errado e certo, lado a lado
     ============================================================ */
  .confronto {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    margin: 20px 0;
  }
  .confronto__lado { background: var(--surface); display: flex; flex-direction: column; }
  .confronto__rotulo {
    font-family: var(--font-mono);
    font-size: 10.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
    padding: 9px 13px; margin: 0;
    border-bottom: 1px solid var(--line-soft);
    display: flex; align-items: center; gap: 6px;
  }
  .confronto__lado--ruim .confronto__rotulo { color: var(--html); background: var(--html-bg); }
  .confronto__lado--bom  .confronto__rotulo { color: var(--accent); background: var(--accent-soft); }
  .confronto__palco {
    flex: 1; padding: 18px 16px;
    display: flex; flex-direction: column; justify-content: center;
    min-height: 160px; overflow: hidden;
  }
  .confronto__nota {
    font-family: var(--font-mono); font-size: 11px; color: var(--muted);
    padding: 8px 13px; border-top: 1px solid var(--line-soft); margin: 0; line-height: 1.45;
  }
  @media (max-width: 640px) { .confronto { grid-template-columns: 1fr; } }

  /* ===== controles (sliders, botões de laboratório) ===== */
  .controle {
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
    padding: 11px 13px;
    border: 1px solid var(--line); border-radius: var(--radius);
    background: var(--surface-2);
    margin: 14px 0;
    font-family: var(--font-mono); font-size: 11.5px; color: var(--muted);
  }
  .controle input[type="range"] { flex: 1; min-width: 130px; accent-color: var(--accent); }
  .controle output, .controle .valor {
    font-weight: 700; color: var(--ink); min-width: 62px; text-align: right;
  }
  .controle .veredito { font-weight: 700; padding: 2px 7px; border-radius: 2px; }
  .veredito.passa  { color: var(--accent); background: var(--accent-soft); }
  .veredito.falha  { color: var(--html);   background: var(--html-bg); }

  /* ===== amostras visuais reutilizadas ===== */
  .amostra-texto { font-size: 15px; line-height: 1.55; margin: 0; }
  .barra-peso { display: grid; gap: 9px; width: 100%; }
  .barra-peso__linha { display: grid; grid-template-columns: 62px 1fr auto; gap: 9px; align-items: center;
    font-family: var(--font-mono); font-size: 11px; color: var(--muted); }
  .barra-peso__trilho { height: 15px; background: var(--surface-2); border: 1px solid var(--line); overflow: hidden; }
  .barra-peso__fita { height: 100%; background: var(--accent); }
  .barra-peso__fita--alerta { background: var(--html); }

  .swatch-linha { display: flex; gap: 0; width: 100%; height: 52px; border: 1px solid var(--line); overflow: hidden; }
  .swatch { flex: 1; display: grid; place-items: end center; padding-bottom: 4px;
            font-family: var(--font-mono); font-size: 9.5px; }

  .pilha { display: grid; gap: 7px; width: 100%; }
  .bloco-fake { background: var(--surface-2); border: 1px solid var(--line-soft); }
  .bloco-fake--img { background: linear-gradient(135deg, var(--accent) 0%, var(--ink) 100%); }

  /* ===== peças dos laboratórios visuais ===== */
  .acao {
    font-family: var(--font-mono); font-size: 11.5px; font-weight: 700;
    padding: 6px 12px; border: 1px solid var(--line); border-radius: 2px;
    background: var(--surface); color: var(--ink-soft); cursor: pointer;
    transition: border-color .15s, color .15s, background .15s;
  }
  .acao:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
  .acao[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

  /* foco */
  #v-foco .confronto__lado--ruim button:focus { outline: none; }
  #v-foco .confronto__lado--bom  button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
  #v-foco button.exemplo {
    font-family: var(--font-display); font-size: 13px; font-weight: 600;
    padding: 9px 14px; margin: 3px; border: 1px solid var(--line);
    background: var(--surface); color: var(--ink); cursor: pointer; border-radius: 2px;
  }

  /* CLS */
  .v-cls-img { background: var(--surface-2); border: 1px dashed var(--line); transition: none; }
  .v-cls-img.carregou { background: linear-gradient(135deg, var(--accent), var(--ink)); border-style: solid; }
  #v-cls .sem-reserva .v-cls-img { height: 0; }
  #v-cls .sem-reserva .v-cls-img.carregou { height: 74px; }
  #v-cls .com-reserva .v-cls-img { height: 74px; }
  .v-cls-texto { font-family: var(--font-mono); font-size: 11px; color: var(--muted); margin: 0; }
  .v-cls-btn {
    font-family: var(--font-display); font-size: 12.5px; font-weight: 700; color: #fff;
    background: var(--accent); border: 0; border-radius: 2px; padding: 9px 14px; margin-top: 7px;
  }

  /* peso */
  .v-peso-tempo { font-family: var(--font-mono); font-weight: 700; color: var(--ink); }

  /* máscara e erro */
  #v-mascara input, #v-erro input {
    font-family: var(--font-mono); font-size: 15px; width: 100%;
    padding: 10px 12px; border: 1px solid var(--line); border-radius: 2px;
    background: var(--surface); color: var(--ink);
  }
  #v-erro input.invalido { border-color: var(--html); }
  .v-cru { font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); }
  .v-erro-ruim { color: var(--html); font-size: 13px; margin: 7px 0 0; }
  .v-erro-bom  { color: var(--html); font-size: 13px; margin: 7px 0 0; }
  #v-erro label { display: block; font-family: var(--font-display); font-size: 12.5px; font-weight: 600; margin-bottom: 5px; }

  /* zoom */
  #v-zoom .confronto__palco > div { transition: font-size .3s; }
  #v-zoom.ampliado .confronto__palco > div { font-size: 200%; }
  #v-zoom .trava { width: 210px; white-space: nowrap; overflow: hidden; }
  #v-zoom .flui  { max-width: 210px; }

  /* alt */
  #v-alt .figura { display: grid; gap: 4px; }
  #v-alt .figura > div:first-child {
    height: 56px; border: 1px solid var(--line);
    background: linear-gradient(135deg, var(--accent), var(--ink));
  }
  #v-alt .figura small { font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); }
  #v-alt.ouvindo .figura > div:first-child {
    background: var(--surface-2); display: grid; place-items: center;
    font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-soft);
    padding: 6px; text-align: center; line-height: 1.35; height: auto; min-height: 56px;
  }
  #v-alt .figura > div:first-child::after { content: ""; }
  #v-alt.ouvindo .figura > div:first-child::after { content: attr(data-ouve); }

  /* espaçamento */
  .v-esp-ruim > * + * { margin-top: 0; }
  .v-esp-bom  { display: grid; gap: var(--g, 16px); }
  .v-esp-ruim { display: grid; }
  .v-esp-ruim > :nth-child(1) { margin-bottom: 3px; }
  .v-esp-ruim > :nth-child(2) { margin-bottom: 27px; }
  .v-esp-ruim > :nth-child(3) { margin-bottom: 9px; }

  /* hierarquia, cor e “caro” */
  .v-plano * { font-family: var(--font-display); font-size: 15px; font-weight: 600; color: var(--ink); margin: 0 0 6px; }
  .v-hier h4 { font-family: var(--font-display); font-size: 25px; font-weight: 800; line-height: 1.1; letter-spacing: -.02em; margin: 0 0 7px; color: var(--ink); }
  .v-hier p  { font-family: var(--font-display); font-size: 13.5px; color: var(--muted); margin: 0 0 12px; line-height: 1.5; }
  .v-hier__cta { display: inline-block; font-family: var(--font-display); font-size: 13px; font-weight: 700; color: #fff; background: var(--accent); padding: 9px 15px; border-radius: 2px; }
  .v-carnaval { display: grid; gap: 7px; }
  .v-carnaval span { font-family: var(--font-display); font-size: 13px; font-weight: 700; padding: 7px 10px; color: #fff; border-radius: 2px; }
  .v-centro { text-align: center; }
  .v-esquerda { text-align: left; }

  /* ============================================================
     LAYOUT DE REFERÊNCIA — três colunas
     índice da API · conteúdo · nesta página
     ============================================================ */
  .palco--ref {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 44px;
  }
  @media (min-width: 1240px) {
    .palco--ref { grid-template-columns: 216px minmax(0, 1fr) 176px; gap: 40px; }
  }

  /* ---------- índice categorizado ---------- */
  .indice {
    position: sticky;
    top: calc(env(safe-area-inset-top, 0px) + 60px);
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    padding: 24px 0 40px;
    font-family: var(--font-display);
    font-size: 13px;
  }
  .indice__busca {
    width: 100%;
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: 2px;
    background: var(--surface);
    color: var(--ink);
    margin-bottom: 20px;
  }
  .indice__busca::placeholder { color: var(--muted); }
  .indice__busca:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }

  .indice__grupo { margin-bottom: 20px; }
  .indice__rotulo {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 7px;
  }
  .indice__grupo a {
    display: block;
    color: var(--ink-soft);
    text-decoration: none;
    padding: 4px 0 4px 11px;
    border-left: 2px solid var(--line-soft);
    line-height: 1.35;
    transition: color .14s, border-color .14s;
  }
  .indice__grupo a:hover { color: var(--accent); border-left-color: var(--accent); }
  .indice__grupo a.is-atual {
    color: var(--accent);
    border-left-color: var(--accent);
    font-weight: 700;
  }
  .indice__grupo a code {
    font-family: var(--font-mono);
    font-size: 11.5px;
    background: none;
    padding: 0;
    color: inherit;
  }
  .indice__vazio {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--muted);
    padding: 6px 0 0 11px;
  }
  .indice [hidden] { display: none; }

  /* ---------- coluna “nesta página” ---------- */
  .nesta {
    display: none;
    position: sticky;
    top: calc(env(safe-area-inset-top, 0px) + 60px);
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    padding: 24px 0 40px;
    font-family: var(--font-display);
    font-size: 12.5px;
  }
  @media (min-width: 1240px) { .nesta { display: block; } }
  .nesta__titulo {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 10px;
  }
  .nesta__parte {
    font-weight: 700;
    color: var(--ink);
    line-height: 1.25;
    margin: 0 0 10px;
    padding-bottom: 9px;
    border-bottom: 1px solid var(--line-soft);
  }
  .nesta a {
    display: block;
    color: var(--muted);
    text-decoration: none;
    padding: 4px 0 4px 10px;
    border-left: 2px solid transparent;
    line-height: 1.35;
  }
  .nesta a:hover { color: var(--ink); }
  .nesta a.is-atual { color: var(--accent); border-left-color: var(--accent); font-weight: 600; }

  @media (max-width: 900px) {
    .palco--ref { grid-template-columns: minmax(0, 1fr); gap: 0; }
    .indice {
      position: static;
      max-height: none;
      overflow: visible;
      padding: 20px 0;
      border-bottom: 1px solid var(--line);
    }
    .indice__lista { display: none; }
    .indice.is-aberto .indice__lista { display: block; }
    .indice__abrir {
      display: flex; align-items: center; justify-content: space-between;
      width: 100%; background: none; border: 0; cursor: pointer;
      font-family: var(--font-display); font-size: 13px; font-weight: 700;
      color: var(--ink); padding: 6px 0;
    }
  }
  @media (min-width: 901px) { .indice__abrir { display: none; } }

  /* ============================================================
     BUSCA GLOBAL
     ============================================================ */
  .busca {
    position: fixed; inset: 0; z-index: 200;
    display: grid; place-items: start center;
    padding: clamp(40px, 9vh, 110px) 16px 24px;
  }
  .busca[hidden] { display: none; }
  .busca__fundo {
    position: absolute; inset: 0;
    background: rgba(8, 16, 15, .5);
    backdrop-filter: blur(2px);
  }
  .busca__caixa {
    position: relative;
    width: min(680px, 100%);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 4px;
    box-shadow: 0 30px 70px -24px rgba(0,0,0,.5);
    display: flex; flex-direction: column;
    max-height: min(560px, 78vh);
    overflow: hidden;
  }
  .busca__campo {
    font-family: var(--font-display);
    font-size: 17px;
    padding: 17px 19px;
    border: 0; border-bottom: 1px solid var(--line);
    background: none; color: var(--ink);
    width: 100%;
  }
  .busca__campo:focus { outline: none; }
  .busca__campo::placeholder { color: var(--muted); font-size: 15.5px; }
  .busca__resultados { overflow-y: auto; flex: 1; }
  .busca__item {
    display: block;
    padding: 11px 19px;
    text-decoration: none;
    border-bottom: 1px solid var(--line-soft);
    border-left: 3px solid transparent;
  }
  .busca__item:last-child { border-bottom: 0; }
  .busca__item.is-atual { background: var(--accent-soft); border-left-color: var(--accent); }
  .busca__trilha {
    display: block;
    font-family: var(--font-mono);
    font-size: 10.5px; letter-spacing: .05em; text-transform: uppercase;
    color: var(--muted); margin-bottom: 3px;
  }
  .busca__item strong {
    display: block;
    font-family: var(--font-display);
    font-size: 15px; font-weight: 700; color: var(--ink); line-height: 1.25;
  }
  .busca__trecho {
    display: block;
    font-family: var(--font-display);
    font-size: 12.5px; color: var(--muted); line-height: 1.4; margin-top: 3px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }
  .busca__item mark { background: var(--accent-soft); color: var(--accent); padding: 0 1px; border-radius: 2px; }
  .busca__aviso {
    font-family: var(--font-display); font-size: 13.5px; color: var(--muted);
    padding: 22px 19px; margin: 0; line-height: 1.5;
  }
  .busca__rodape {
    margin: 0; padding: 9px 19px;
    border-top: 1px solid var(--line-soft);
    font-family: var(--font-mono); font-size: 10.5px; color: var(--muted);
  }
  .busca__rodape kbd {
    font-family: var(--font-mono); font-size: 10px;
    border: 1px solid var(--line); border-radius: 2px;
    padding: 1px 4px; margin-right: 2px; background: var(--surface-2);
  }
  @media (max-width: 560px) {
    .busca { padding-top: 16px; }
    .busca__rodape { display: none; }
    .busca__trecho { white-space: normal; }
  }

  /* ============================================================
     FERRAMENTAS
     ============================================================ */
  .ferr { margin: 18px 0 6px; max-width: none; }
  .ferr__topo {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    margin-bottom: 14px;
  }
  .ferr__campo {
    font-family: var(--font-mono); font-size: 13.5px;
    padding: 9px 11px; width: 100%;
    border: 1px solid var(--line); border-radius: 2px;
    background: var(--surface); color: var(--ink);
  }
  .ferr__campo:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
  .ferr__topo .ferr__campo { width: auto; flex: 1; min-width: 150px; }
  textarea.ferr__campo { font-family: var(--font-display); font-size: 14.5px; line-height: 1.5; resize: vertical; }

  .ferr__linha { margin-bottom: 13px; }
  .pp-garantias { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; margin-top: 8px; }
  .pp-garantias > span { font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
  .ferr__linha label, .ferr__grade label {
    display: block; margin-bottom: 5px;
    font-family: var(--font-display); font-size: 13px; font-weight: 600; color: var(--ink);
  }
  .ferr__linha label small, .ferr__grade label small {
    font-weight: 400; color: var(--muted); font-size: 12px;
  }
  .ferr__grade { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 13px; margin-bottom: 14px; }
  .ferr__grade--cores { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
  .ferr__cor { display: flex; gap: 8px; align-items: center; }
  .ferr__cor input[type="color"] {
    width: 42px; height: 38px; padding: 2px; flex-shrink: 0;
    border: 1px solid var(--line); border-radius: 2px; background: var(--surface); cursor: pointer;
  }

  .ferr__contador {
    font-family: var(--font-mono); font-size: 12px; font-weight: 700;
    color: var(--muted); padding: 4px 8px; border: 1px solid var(--line); border-radius: 2px;
  }
  .ferr__contador.is-completo { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }

  .ferr__barra { height: 5px; background: var(--surface-2); border: 1px solid var(--line); margin-bottom: 14px; overflow: hidden; }
  .ferr__barra-fita { height: 100%; width: 0; background: var(--accent); transition: width .25s; }

  .ferr__lista { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: var(--line-soft); border: 1px solid var(--line); }
  .ferr__item {
    display: flex; gap: 10px; align-items: flex-start;
    padding: 10px 13px; background: var(--surface); cursor: pointer;
    font-family: var(--font-display); font-size: 14px; line-height: 1.4; color: var(--ink);
  }
  .ferr__item:hover { background: var(--surface-2); }
  .ferr__item input { margin-top: 2px; accent-color: var(--accent); flex-shrink: 0; }
  .ferr__item.is-feito span { color: var(--muted); text-decoration: line-through; }

  .ferr__saida {
    display: flex; gap: 10px; align-items: center;
    background: var(--code-bg); border-radius: 2px; padding: 12px 14px; margin: 4px 0 10px;
  }
  .ferr__saida code {
    flex: 1; font-family: var(--font-mono); font-size: 12.5px; color: var(--code-ink);
    word-break: break-all; background: none; padding: 0; line-height: 1.5;
  }
  .ferr__saida .acao { flex-shrink: 0; }
  .ferr__extra { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
  .ferr__extra .acao { text-decoration: none; }

  .ferr__dica { font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); margin: 0 0 8px; line-height: 1.5; }
  .ferr__dica.is-ok { color: var(--accent); }

  /* saída de código com várias linhas */
  .ferr__bloco {
    background: var(--code-bg); border-radius: 4px; overflow: hidden; margin: 6px 0 14px;
  }
  .ferr__bloco-barra {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    padding: 8px 12px; border-bottom: 1px solid rgba(255,255,255,.08);
  }
  .ferr__bloco-barra span {
    font-family: var(--font-mono); font-size: 10px; font-weight: 700;
    letter-spacing: .12em; text-transform: uppercase; color: #8FA6A1;
  }
  .ferr__bloco-barra .acao { color: #B9CCC7; border-color: #46605C; background: transparent; }
  .ferr__bloco-barra .acao:hover { color: #DCE5E2; border-color: #6E8A85; background: transparent; }
  .ferr__bloco pre { margin: 0; padding: 14px 16px; overflow-x: auto; }
  .ferr__bloco code {
    font-family: var(--font-mono); font-size: 12.5px; line-height: 1.65;
    color: var(--code-ink); background: none; padding: 0; white-space: pre;
  }
  .ferr__combos { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 8px; margin-bottom: 18px; }
  .ferr__combo {
    text-align: left; cursor: pointer; background: var(--surface);
    border: 1px solid var(--line); border-radius: 4px; padding: 11px 13px;
    display: flex; flex-direction: column; gap: 4px;
    transition: border-color .15s, background .15s;
  }
  .ferr__combo:hover { border-color: var(--accent); background: var(--surface-2); }
  .ferr__combo.is-atual { border-color: var(--accent); background: var(--accent-soft); }
  .ferr__combo strong { font-family: var(--font-display); font-size: 13.5px; font-weight: 700; color: var(--ink); }
  .ferr__combo span { font-family: var(--font-display); font-size: 12px; color: var(--muted); line-height: 1.4; }

  .ferr__pesos { display: flex; flex-wrap: wrap; gap: 5px; }
  .ferr__peso {
    display: inline-flex; align-items: center; gap: 5px; cursor: pointer;
    font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-soft);
    border: 1px solid var(--line); border-radius: 3px; padding: 5px 8px; background: var(--surface);
  }
  .ferr__peso:hover { border-color: var(--accent); }
  .ferr__peso input { accent-color: var(--accent); margin: 0; }
  .ferr__peso:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }

  .ferr__amostra-olho {
    font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase;
    color: var(--muted); margin: 0 0 10px;
  }
  /* família e pesos andam em par */
  #fer-fonte .ferr__grade { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
  #fer-fonte .ferr__botao-amostra { background: var(--accent); color: var(--surface); }

  .ferr__botao-amostra {
    display: inline-block; font-family: var(--font-display); font-size: 14px; font-weight: 700;
    padding: 10px 18px; border-radius: 5px; margin-top: 4px;
  }

  .ferr__historico { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line-soft); }
  .ferr__historico ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
  .ferr__historico code {
    font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-soft);
    background: var(--surface-2); padding: 5px 8px; border-radius: 2px;
    display: block; word-break: break-all;
  }

  .ferr__razao { display: flex; align-items: baseline; gap: 9px; margin: 6px 0 12px; }
  .ferr__razao strong { font-family: var(--font-display); font-size: 40px; font-weight: 800; color: var(--ink); line-height: 1; }
  .ferr__razao span { font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); }
  .ferr__vereditos { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
  .ferr__veredito {
    font-family: var(--font-mono); font-size: 11px; font-weight: 700;
    padding: 4px 8px; border-radius: 2px;
  }
  .ferr__veredito.passa { color: var(--accent); background: var(--accent-soft); }
  .ferr__veredito.falha { color: var(--html); background: var(--html-bg); }
  .ferr__amostra { border: 1px solid var(--line); border-radius: 2px; padding: 18px; }
  .ferr__amostra-g { font-family: var(--font-display); font-size: 25px; font-weight: 800; margin: 0 0 9px; line-height: 1.15; }
  .ferr__amostra-p { font-size: 15px; margin: 0; line-height: 1.55; }

  .ferr__secao {
    font-family: var(--font-mono); font-size: 10.5px; font-weight: 700;
    letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
    margin: 22px 0 12px; padding-bottom: 7px; border-bottom: 1px solid var(--line-soft);
  }
  .ferr__secao:first-child { margin-top: 0; }
  .ferr__resultado {
    background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
    padding: 14px 16px; border-radius: 6px; margin-bottom: 6px;
  }
  .ferr__resultado strong {
    display: block; font-family: var(--font-display);
    font-size: 21px; font-weight: 800; color: var(--ink); line-height: 1.2;
  }
  .ferr__resultado span {
    display: block; font-family: var(--font-mono); font-size: 11.5px;
    color: var(--ink-soft); margin-top: 5px; line-height: 1.5;
  }
  #fer-briefing .ferr__linha label { font-weight: 700; }
  #fer-proposta .ferr__linha label { font-weight: 700; }

  .ferr__tabela-caixa { overflow-x: auto; border: 1px solid var(--line); margin-bottom: 10px; }
  .ferr__tabela { display: grid; gap: 1px; background: var(--line-soft); min-width: 480px; }
  .ferr__tabela-cab, .ferr__tabela-linha {
    display: grid; grid-template-columns: 1fr 1fr 1fr 34px; gap: 1px;
  }
  .ferr__tabela-cab span {
    background: var(--surface-2); padding: 7px 10px;
    font-family: var(--font-mono); font-size: 10px; font-weight: 700;
    text-transform: uppercase; letter-spacing: .06em; color: var(--muted);
  }
  .ferr__tabela-linha input {
    border: none; background: var(--surface); color: var(--ink);
    font-family: var(--font-mono); font-size: 12.5px; padding: 8px 10px; width: 100%;
  }
  .ferr__tabela-linha input:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
  .ferr__remover {
    border: none; background: var(--surface); color: var(--muted); cursor: pointer;
    font-size: 15px; line-height: 1;
  }
  .ferr__remover:hover { color: #C0392B; background: var(--surface-2); }
  .ferr__addlinha {
    font-family: var(--font-mono); font-size: 12px; font-weight: 700; color: var(--accent);
    background: none; border: 1px dashed var(--line); padding: 7px 12px;
    cursor: pointer; margin-bottom: 14px;
  }
  .ferr__addlinha:hover { border-color: var(--accent); background: var(--accent-soft); }

  /* ===== ligação entre ferramentas: "De Paleta · #305546 · usar" ===== */
  .ferr__elo {
    display: flex; align-items: center; flex-wrap: wrap; gap: 6px 10px;
    margin: 0 0 14px; padding: 8px 10px 8px 12px;
    border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent); border-radius: 6px;
    background: var(--accent-soft);
    font-family: var(--font-mono); font-size: 12px; color: var(--ink-soft);
  }
  .ferr__elo[hidden] { display: none; }
  .ferr__elo-de {
    font-weight: 700; color: var(--accent); text-decoration: none; white-space: nowrap;
  }
  .ferr__elo-de::before { content: "↳ de "; font-weight: 400; color: var(--muted); }
  .ferr__elo-de:hover { text-decoration: underline; }
  .ferr__elo-valor { flex: 1 1 200px; min-width: 0; overflow-wrap: anywhere; }
  .ferr__elo .acao { margin-left: auto; }

  .ferr__item-ir {
    display: block; margin-top: 3px;
    font-family: var(--font-mono); font-size: 11px; color: var(--muted);
    text-decoration: none; overflow-wrap: anywhere;
  }
  .ferr__item-ir a { color: var(--accent); font-weight: 700; text-decoration: none; }
  .ferr__item-ir a:hover { text-decoration: underline; }
  .ferr__item.is-feito .ferr__item-ir { text-decoration: none; }

  /* Depois de publicar: os blocos com data */
  .dp-data {
    display: flex; align-items: center; gap: 8px;
    font-family: var(--font-mono); font-size: 12px; color: var(--muted); white-space: nowrap;
  }
  .ferr__topo .dp-data .ferr__campo { flex: none; min-width: 0; width: auto; }
  .dp-bloco { margin: 0 0 20px; }
  .dp-bloco__topo { display: flex; align-items: baseline; gap: 6px 12px; flex-wrap: wrap; margin: 0 0 8px; }
  .parte .dp-bloco__titulo { margin: 0; font-size: 17px; font-weight: 800; letter-spacing: -.01em; }
  .dp-bloco__quando, .dp-bloco__conta { font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); }
  .dp-bloco__conta { margin-left: auto; }
  .dp-bloco.is-agora .dp-bloco__quando { color: var(--accent); font-weight: 700; }
  .dp-bloco.is-agora .ferr__lista { border-color: var(--accent); }
  .dp-bloco.is-atrasado .dp-bloco__quando { color: var(--js); font-weight: 700; }
  .dp-bloco.is-atrasado .ferr__lista { border-color: color-mix(in srgb, var(--js) 60%, transparent); }
  .dp-bloco.is-feito .dp-bloco__titulo { color: var(--muted); }
  .dp-bloco--mensal { padding-top: 18px; border-top: 1px dashed var(--line); }

  /* ===== painel do projeto: o nome e onde cada ferramenta está ===== */
  .projeto {
    margin: 56px 0 0; padding: 22px 24px 24px;
    border: 1px solid var(--line); border-radius: 8px;
    background: var(--surface);
    scroll-margin-top: 78px;
  }
  .projeto__topo {
    display: grid; grid-template-columns: minmax(220px, 300px) 1fr; gap: 14px 26px; align-items: start;
  }
  .projeto__campo label {
    display: block; margin-bottom: 8px;
    font-family: var(--font-display); font-size: 15px; font-weight: 700; color: var(--ink);
  }
  .projeto__campo .ferr__campo { font-size: 15px; font-weight: 700; }
  .projeto__nota { margin: 0; font-size: 14.5px; line-height: 1.55; color: var(--muted); max-width: 62ch; }

  /* o estado de cada ferramenta, no cartão dela na ferramentas.html */
  .fluxo__estado {
    margin-left: auto; white-space: nowrap;
    font-family: var(--font-mono); font-size: 11px; color: var(--muted);
  }
  .fluxo__estado.is-completo { color: var(--accent); font-weight: 700; }
  .fluxo__estado.is-completo::before { content: "✓ "; }

  /* ===== hub → ferramentas.html → uma página por ferramenta =====
     ferramentas.html e as subpáginas usam duas colunas: o índice no canto e o
     conteúdo. A terceira coluna ("nesta página") não serve a uma ferramenta só. */
  @media (min-width: 1240px) {
    .palco--ferramenta { grid-template-columns: 200px minmax(0, 1fr); gap: 48px; }
  }
  @media (min-width: 1280px) {
    .palco--ferramenta {
      max-width: none;
      grid-template-columns: 188px minmax(0, 1fr);
      gap: 32px;
      padding-left: 24px;
      padding-right: 24px;
    }
    .palco--ferramenta .leitura { width: 100%; max-width: 940px; margin: 0 auto; }
  }
  /* índice discreto, como o sumário das trilhas */
  @media (min-width: 901px) {
    .palco--ferramenta .indice { font-size: 12.5px; padding-top: 30px; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
    .palco--ferramenta .indice__grupo { margin-bottom: 16px; }
    .palco--ferramenta .indice__grupo a { color: var(--muted); padding: 3px 0 3px 11px; border-left-width: 1px; }
    .palco--ferramenta .indice__grupo a:hover { color: var(--ink); }
    .palco--ferramenta .indice__grupo a.is-atual { color: var(--accent); font-weight: 600; }
  }

  .migalha {
    display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px;
    margin: 30px 0 0;
    font-family: var(--font-mono); font-size: 11.5px; color: var(--muted);
  }
  .migalha a { color: var(--muted); text-decoration: none; }
  .migalha a:hover { color: var(--accent); text-decoration: underline; }
  .parte--pagina { padding-top: 10px; }
  .parte--pagina .parte__num { display: none; }   /* a migalha acima já diz onde você está */
  .parte--pagina .parte__cabeca { margin-bottom: 10px; }
  .parte--pagina h1 {
    font-size: clamp(38px, 6vw, 64px); font-weight: 800; letter-spacing: -.038em; line-height: 1;
  }

  /* cada fase: o nome à esquerda, as ferramentas numa grade de fios à direita */
  .fase-grupo {
    display: grid; grid-template-columns: minmax(200px, 270px) minmax(0, 1fr); gap: 24px 56px;
    margin-top: 64px; padding-top: 22px; border-top: 1px solid var(--ink);
  }
  .fase { scroll-margin-top: 84px; }
  .fase__num { font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
  .fase__nome { margin: 8px 0 10px; font-size: clamp(24px, 2.4vw, 30px); font-weight: 800; letter-spacing: -.03em; }
  .fase__resumo { margin: 0; font-size: 15.5px; line-height: 1.5; color: var(--muted); max-width: 34ch; }
  .ferr-cards {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(min(250px, 100%), 1fr));
    margin: 0; align-self: start;
    border-top: 1px solid var(--line); border-left: 1px solid var(--line);
  }
  .ferr-card {
    display: flex; flex-direction: column; gap: 6px;
    padding: 20px 22px 18px; background: var(--ground);
    border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
    color: var(--ink); text-decoration: none;
    scroll-margin-top: 78px;
    transition: background-color .2s ease;
  }
  @media (hover: hover) and (pointer: fine) {
    .ferr-card:hover { background: var(--surface); }
    .ferr-card:hover .ferr-card__nome { color: var(--accent); }
  }
  .ferr-card:focus-visible { outline: 2px solid var(--accent); outline-offset: -3px; }
  .ferr-card__nome { font-family: var(--font-display); font-size: 19px; font-weight: 700; letter-spacing: -.02em; line-height: 1.15; transition: color .2s ease; }
  .ferr-card__resumo {
    font-size: 14.5px; line-height: 1.5; color: var(--muted);
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  }
  .ferr-card .ferr-card__estado { margin: auto 0 0; padding-top: 10px; font-size: 12px; }
  @media (max-width: 800px) {
    .fase-grupo { grid-template-columns: 1fr; gap: 18px; }
  }
  .fase + .parte { padding-top: 40px; }
  /* ===== tipografia: rótulo de grupo, faixa, medidas e a escala nas fontes ===== */
  .ferr__rotulo {
    margin: 0 0 5px;
    font-family: var(--font-display); font-size: 13px; font-weight: 600; color: var(--ink);
  }
  .ferr__rotulo small { font-weight: 400; color: var(--muted); font-size: 12px; }
  .ferr__peso small { color: var(--muted); font-size: 10.5px; }
  .ferr__peso.is-indisponivel { opacity: .4; cursor: not-allowed; text-decoration: line-through; }
  .ferr__opcoes { margin: 2px 0 18px; }
  .ferr__combo em { font-family: var(--font-mono); font-style: normal; font-size: 10.5px; color: var(--accent); letter-spacing: .02em; }
  .ferr__faixa { display: flex; align-items: center; gap: 12px; min-height: 40px; }
  .ferr__faixa input[type="range"] { flex: 1; accent-color: var(--accent); }
  .ferr__faixa output { font-family: var(--font-mono); font-size: 13px; font-weight: 700; color: var(--ink); min-width: 4.5ch; }
  .ferr__medidas { margin: 12px 0 18px; }
  .ferr__medidas .ferr__dica { margin-bottom: 4px; }
  .ferr__escada { border-top: 1px solid var(--line-soft); padding-top: 12px; margin-bottom: 18px; }
  .ferr__degrau {
    display: grid; grid-template-columns: 110px minmax(0, 1fr); align-items: baseline; gap: 12px;
    padding: 8px 0; border-bottom: 1px solid var(--line-soft);
  }
  .ferr__degrau-n { font-family: var(--font-mono); font-size: 11px; color: var(--muted); white-space: nowrap; }
  .ferr__degrau-t { color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .ferr__campo--codigo { font-family: var(--font-mono); font-size: 12.5px; line-height: 1.5; }

  /* ===== design system: inventário ===== */
  .ds-inventario { display: grid; gap: 14px; margin: 6px 0 8px; }
  .ds-grupo__t {
    margin: 0 0 7px; font-family: var(--font-display); font-size: 13.5px; font-weight: 700; color: var(--ink);
  }
  .ds-grupo__t span { font-family: var(--font-mono); font-size: 11px; font-weight: 400; color: var(--muted); margin-left: 6px; }
  .ds-chips { display: flex; flex-wrap: wrap; gap: 5px; }
  .ds-chip {
    display: inline-flex; align-items: center; gap: 6px; max-width: 100%;
    font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-soft);
    border: 1px solid var(--line); border-radius: 3px; padding: 4px 8px; background: var(--surface);
    overflow-wrap: anywhere;
  }
  .ds-chip b { color: var(--muted); font-weight: 400; }
  .ds-chip.is-fora { border-color: var(--html); color: var(--html); background: var(--html-bg); }
  .ds-chip--cor i {
    flex: none; width: 14px; height: 14px; border-radius: 2px;
    box-shadow: inset 0 0 0 1px rgb(0 0 0 / .15);
  }
  .ds-quase {
    display: inline-flex; flex-wrap: wrap; gap: 3px; padding: 3px;
    border: 1px dashed var(--html); border-radius: 4px;
  }
  .ds-quase .ds-chip { border-color: transparent; }

  /* ===== design system: de onde vêm os valores ===== */
  .ds-fontes { list-style: none; margin: 0 0 8px; padding: 0; display: grid; gap: 1px; background: var(--line-soft); border: 1px solid var(--line); }
  .ds-fontes li {
    display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 12px; align-items: baseline;
    padding: 9px 12px; background: var(--surface); font-size: 13.5px; color: var(--ink-soft);
  }
  .ds-fontes a { font-family: var(--font-mono); font-size: 12px; font-weight: 700; color: var(--accent); text-decoration: none; }
  .ds-fontes a::before { content: "↳ "; font-weight: 400; color: var(--muted); }
  .ds-fontes a:hover { text-decoration: underline; }

  /* ===== design system: amostra viva — tudo lido das variáveis que o JS põe no container ===== */
  .ds-barra { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-bottom: 12px; }
  .ds-barra .ferr__vereditos { margin: 0; }
  .ds-tema { display: inline-flex; gap: 4px; }
  .ds-tema .acao:disabled { opacity: .4; cursor: not-allowed; }
  .ds-amostra {
    padding: var(--e5, 24px); margin-bottom: 20px;
    border: 1px solid var(--line); border-radius: 2px;
    background: var(--cor-fundo); color: var(--cor-texto);
    font-family: var(--fonte-corpo); font-weight: var(--peso-corpo);
    font-size: var(--t-corpo); line-height: var(--alt-corpo);
  }
  .ds-amostra p { margin: 0 0 var(--e3); }
  .dsx-olho {
    font-size: var(--t-peq); font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
    color: var(--cor-destaque-texto);
  }
  .dsx-titulo {
    font-family: var(--fonte-titulo); font-weight: var(--peso-titulo);
    font-size: var(--t-titulo); line-height: 1.1; letter-spacing: -.01em; text-wrap: balance;
  }
  .dsx-texto { max-width: 60ch; }
  .dsx-link { color: var(--cor-destaque-texto); text-underline-offset: .15em; }
  .dsx-fraco { color: var(--cor-texto-fraco); }
  .dsx-linha { display: flex; flex-wrap: wrap; gap: var(--e2); margin: var(--e4) 0; }
  .dsx-botao {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 48px; padding: var(--e3) var(--e5);
    border: 0; border-radius: var(--raio-botao);
    background: var(--cor-destaque); color: var(--cor-sobre-destaque);
    font: inherit; font-weight: 600; cursor: pointer;
    transition: background var(--dur) var(--curva), transform var(--dur) var(--curva);
  }
  .dsx-botao:hover { background: var(--cor-destaque-hover); }
  .dsx-botao:focus-visible, .dsx-botao.is-foco { outline: 2px solid var(--cor-foco); outline-offset: 3px; }
  .dsx-botao:active { transform: translateY(1px); }
  .dsx-botao:disabled { opacity: .45; cursor: not-allowed; }
  .dsx-botao--secundario { background: transparent; color: var(--cor-destaque-texto); box-shadow: inset 0 0 0 1.5px currentColor; }
  .dsx-botao--secundario:hover { background: var(--cor-superficie); }
  .dsx-grade { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: var(--e3); margin-bottom: var(--e4); }
  .dsx-campo { display: grid; gap: var(--e1); align-content: start; }
  .dsx-campo label { font-size: var(--t-peq); font-weight: 600; }
  .dsx-campo input {
    min-height: 48px; padding: 0 var(--e3); width: 100%; box-sizing: border-box;
    border: 1px solid var(--cor-campo-borda); border-radius: var(--raio);
    background: var(--cor-superficie); color: var(--cor-texto); font: inherit;
  }
  .dsx-campo input:focus-visible { outline: 2px solid var(--cor-foco); outline-offset: 1px; }
  .dsx-campo.is-erro input { border-color: var(--cor-erro); }
  .dsx-campo.is-erro small { color: var(--cor-erro); font-size: var(--t-peq); }
  .dsx-card {
    padding: var(--e5); max-width: 340px;
    border: 1px solid var(--cor-linha); border-radius: var(--raio);
    background: var(--cor-superficie); box-shadow: var(--sombra-1);
  }
  .dsx-card .dsx-card-t { font-family: var(--fonte-titulo); font-weight: var(--peso-titulo); font-size: calc(var(--t-corpo) * 1.25); margin: var(--e2) 0 var(--e1); }
  .dsx-card p:last-child { margin-bottom: 0; }
  .dsx-tag {
    display: inline-block; padding: 2px var(--e2); border-radius: 999px;
    font-size: var(--t-peq); color: var(--cor-destaque-texto); box-shadow: inset 0 0 0 1px var(--cor-linha);
  }
  @media (prefers-reduced-motion: reduce) { .dsx-botao { transition: none; } }
  @media (max-width: 640px) {
    .ferr__degrau, .ds-fontes li { grid-template-columns: 1fr; gap: 2px; }
    .ds-amostra { padding: 16px; }
  }

  @media (max-width: 640px) {
    .projeto { padding: 18px 16px 20px; }
    .projeto__topo { grid-template-columns: 1fr; }
    .fase { margin-top: 72px; }
    .ferr__elo .acao { margin-left: 0; }
  }

  .home__titulo-nota { font-weight: 400; letter-spacing: .04em; text-transform: none; color: var(--muted); opacity: .8; }

  .patch { display: flex; flex-direction: column; margin-top: 40px; }

  /* saiu e entrou: o texto antigo ao lado do novo */
  .trocas { display: grid; gap: 0; margin-top: 40px; }
  .troca { padding: 28px 0; border-top: 1px solid var(--line); }
  .troca:first-of-type { border-top: 0; padding-top: 6px; }
  .troca__cabeca { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 16px; margin-bottom: 8px; }
  .troca__cabeca time { font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); }
  .troca__cabeca h2 { margin: 0; font-size: 19px; letter-spacing: -.01em; }
  .troca__cabeca h2 a { color: var(--ink); text-decoration-color: var(--line); }
  .troca__cabeca h2 a:hover { color: var(--accent); }
  .troca__motivo { max-width: 68ch; margin: 0 0 16px; color: var(--ink-soft); }
  .troca__lados { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
  .troca__lado { padding: 16px 18px 18px; font-size: 15px; line-height: 1.6; overflow-wrap: anywhere; min-width: 0; }
  .troca__lado + .troca__lado { border-left: 1px solid var(--line); }
  .troca__lado--saiu { background: var(--surface-2); color: var(--muted); }
  .troca__lado--entrou { background: var(--accent-soft); color: var(--ink); }
  .troca__lado del, .troca__lado ins { text-decoration: none; }
  .troca__rotulo { display: block; margin-bottom: 6px; font-family: var(--font-mono); font-size: 11.5px; font-weight: 700; color: var(--muted); }
  .troca__lado--entrou .troca__rotulo { color: var(--accent); }
  @media (max-width: 760px) {
    .troca__lados { grid-template-columns: 1fr; }
    .troca__lado + .troca__lado { border-left: 0; border-top: 1px solid var(--line); }
  }
  .patch__entrada {
    display: grid; grid-template-columns: 120px 1fr; gap: 26px;
    padding: 30px 0; border-top: 1px solid var(--line-soft);
  }
  .patch__entrada:first-child { border-top: none; padding-top: 6px; }
  .patch__data {
    font-family: var(--font-mono); font-size: 12px; font-weight: 700;
    color: var(--muted); white-space: nowrap; padding-top: 4px;
  }
  .patch__corpo { max-width: 68ch; }
  .patch__corpo h2 {
    font-family: var(--font-display); font-size: 19px; font-weight: 800;
    letter-spacing: -.01em; margin: 0 0 12px; color: var(--ink);
  }
  .patch__corpo p { margin: 0 0 12px; color: var(--ink-soft); }
  .patch__corpo ul { margin: 0; padding-left: 18px; display: grid; gap: 8px; }
  .patch__corpo li { font-size: 14.5px; line-height: 1.5; color: var(--ink-soft); }
  @media (max-width: 560px) {
    .patch__entrada { grid-template-columns: 1fr; gap: 6px; padding: 22px 0; }
  }

/* ============================================================
   impressão — só o texto de leitura, sem navegação nem interação
   ============================================================ */
/* ===== conteúdo recente — tópico com data-desde, por 30 dias =====
   Não confundir com .tag--novo: aquela diz "não é revisão" e marca a maior
   parte do site; esta diz "chegou agora" e some sozinha. */
.selo-recente {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-display); font-size: 12px; font-weight: 700;
  letter-spacing: .01em; white-space: nowrap;
  color: var(--surface); background: var(--accent);
  border-radius: 999px; padding: 4px 10px 4px 9px;
}
.selo-recente::before,
.recentes__data::before {
  content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
  animation: pulso-recente 2.2s ease-out infinite;
}
@keyframes pulso-recente {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, currentColor 55%, transparent); }
  70%, 100% { box-shadow: 0 0 0 6px transparent; }
}
.topico.is-recente { border-top: 2px solid var(--accent); }
.sumario a.is-recente::after {
  content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); margin-left: 7px; vertical-align: 2px;
}

.novidade {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--font-display); font-size: 12.5px; font-weight: 700; letter-spacing: 0;
  color: var(--accent);
}
.novidade::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* o que chegou: mesma gramática do percurso — título à esquerda, lista à direita */
.recentes {
  margin-top: 64px; padding-top: 22px; border-top: 1px solid var(--ink);
  display: grid; grid-template-columns: minmax(200px, 270px) minmax(0, 1fr); gap: 18px 56px;
}
.recentes__titulo { margin: 0; font-family: var(--font-display); font-size: clamp(24px, 2.4vw, 30px); font-weight: 800; letter-spacing: -.03em; line-height: 1.1; color: var(--ink); }
.recentes__lista { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.recentes__lista a {
  display: grid; grid-template-columns: 72px minmax(0, 1fr) auto; align-items: baseline; gap: 16px;
  padding: 13px 4px; border-bottom: 1px solid var(--line);
  text-decoration: none; color: var(--ink); transition: background-color .15s ease;
}
.recentes__lista a:hover { background: var(--surface); }
.recentes__lista a:hover strong { color: var(--accent); }
.recentes__data {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; color: var(--accent);
}
.recentes__lista strong { font-family: var(--font-display); font-size: 16px; font-weight: 700; letter-spacing: -.01em; }
.recentes__trilha { font-family: var(--font-mono); font-size: 12px; color: var(--muted); white-space: nowrap; }
@media (max-width: 800px) {
  .recentes { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .recentes__lista a { grid-template-columns: 1fr; gap: 3px; }
}

/* ============================================================
   MODELOS — a galeria para copiar e colar (modelos.html)
   Painel escuro sempre, como os blocos de código: o modelo é
   desenhado para fundo escuro, e a cor de destaque vem de --m-destaque.
   ============================================================ */
.modelos { --m-destaque: #45C8BA; }
/* a prévia usa a mesma fonte do arquivo copiado: o que se vê é o que se leva */
.mod-cel__palco, .mod-janela__palco { font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; font-size: 16px; line-height: 1.4; }
.mod-filtros { display: flex; flex-wrap: wrap; gap: 6px; margin: 40px 0 18px; }
.mod-filtro {
  font-family: var(--font-display); font-size: 13px; font-weight: 600;
  padding: 7px 13px; border-radius: 999px; cursor: pointer;
  background: var(--surface); color: var(--ink-soft); border: 1px solid var(--line);
  transition: border-color .15s ease, color .15s ease, transform .16s cubic-bezier(.23, 1, .32, 1);
}
.mod-filtro span { font-family: var(--font-mono); font-size: 11px; color: var(--muted); margin-left: 3px; }
.mod-filtro:active { transform: scale(.97); }
@media (hover: hover) and (pointer: fine) { .mod-filtro:hover { border-color: var(--accent); color: var(--ink); } }
.mod-filtro[aria-pressed="true"] { background: var(--ink); color: var(--ground); border-color: var(--ink); }
.mod-filtro[aria-pressed="true"] span { color: inherit; opacity: .7; }

.mod-grade {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(262px, 1fr));
  background: #0C1211; border: 1px solid #1E2A28; border-radius: 6px; overflow: hidden;
  color: #E7EDEB;
}
.mod-cel {
  display: flex; flex-direction: column; min-width: 0;
  box-shadow: inset -1px 0 0 #1E2A28, inset 0 -1px 0 #1E2A28;   /* as linhas da grade, sem somar borda */
  scroll-margin-top: 78px;
}
.mod-cel[hidden] { display: none; }
.mod-cel__palco {
  position: relative; height: 220px; display: grid; place-items: center; padding: 14px;
  overflow: hidden; contain: layout paint;   /* position: fixed de um modelo fica preso na célula */
  border-bottom: 1px solid #1E2A28;
  background-image: radial-gradient(circle, rgb(255 255 255 / .05) 1px, transparent 1.2px);
  background-size: 18px 18px;
}
.mod-cel__abrir {
  flex: 1; display: grid; grid-template-rows: auto auto 1fr auto; gap: 8px; align-content: start;
  padding: 18px 20px 20px; text-align: left; cursor: pointer;
  background: none; border: 0; color: inherit; font: inherit;
  transition: background-color .2s ease;
}
.mod-cel__num { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .06em; color: var(--m-destaque); }
.mod-cel__nome {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  font-family: var(--font-display); font-size: 19px; font-weight: 800; letter-spacing: -.015em; line-height: 1.2;
}
.mod-cel__seta { flex: none; font-weight: 400; opacity: .7; transition: transform .25s cubic-bezier(.23, 1, .32, 1), opacity .2s ease; }
.mod-cel__desc { font-size: 13.5px; line-height: 1.5; color: #9FB0AC; }
.mod-cel__assina {
  margin-top: 6px; font-family: var(--font-mono); font-size: 11.5px; color: #C9D4D1;
  background: none; padding: 0; overflow-wrap: anywhere;
}
@media (hover: hover) and (pointer: fine) {
  .mod-cel__abrir:hover { background: rgb(255 255 255 / .03); }
  .mod-cel__abrir:hover .mod-cel__seta { transform: translateX(4px); opacity: 1; }
}
.mod-cel__abrir:focus-visible { outline: 2px solid var(--m-destaque); outline-offset: -4px; }
.mod-cel__abrir:active .mod-cel__nome { transform: scale(.99); }

/* a célula de destaque: a parte do texto em amarelo, como no quadro do motion.dev */
.mod-cel--destaque .mod-cel__abrir { background: var(--m-destaque); color: #111; }
.mod-cel--destaque .mod-cel__num, .mod-cel--destaque .mod-cel__desc, .mod-cel--destaque .mod-cel__assina { color: #073B35; }
@media (hover: hover) and (pointer: fine) {
  .mod-cel--destaque .mod-cel__abrir:hover { background: color-mix(in srgb, var(--m-destaque) 88%, #fff); }
}
.mod-cel--destaque .mod-cel__abrir:focus-visible { outline-color: #111; }

/* ---------- a janela do modelo ---------- */
.mod-janela {
  width: min(880px, calc(100vw - 32px)); max-height: calc(100vh - 48px); padding: 0;
  border: 1px solid var(--line); border-radius: 10px; background: var(--ground); color: var(--ink);
  box-shadow: 0 30px 80px -20px rgb(0 0 0 / .5);
  --m-destaque: #45C8BA;
}
.mod-janela[open] { animation: modal-entra .22s cubic-bezier(.23, 1, .32, 1); }
.mod-janela::backdrop { background: rgb(8 12 12 / .6); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); }
.mod-janela__barra {
  position: sticky; top: 0; z-index: 3; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 14px 16px 12px 22px; background: var(--ground); border-bottom: 1px solid var(--line-soft);
}
.mod-janela__num { margin: 0 0 2px; font-family: var(--font-mono); font-size: 11px; color: var(--accent); letter-spacing: .06em; }
.mod-janela__titulo { margin: 0; font-size: 22px; font-weight: 800; letter-spacing: -.015em; }
.mod-janela__fechar {
  width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface);
  color: var(--ink-soft); font-size: 20px; line-height: 1; cursor: pointer;
  transition: border-color .15s ease, transform .16s cubic-bezier(.23, 1, .32, 1);
}
.mod-janela__fechar:active { transform: scale(.94); }
.mod-janela__desc { margin: 16px 22px 0; color: var(--ink-soft); font-size: 15px; }
.mod-janela__palco {
  position: relative; margin: 16px 22px 0; height: 320px; display: grid; place-items: center; padding: 16px;
  border-radius: 8px; overflow: hidden; contain: layout paint;
  background-color: #0B1211; color: #E7EDEB;
  background-image: radial-gradient(circle, rgb(255 255 255 / .06) 1px, transparent 1.2px); background-size: 18px 18px;
}
.mod-janela__acoes { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 22px 0; }
.mod-botao {
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: 10px 14px; border-radius: 4px; cursor: pointer; text-decoration: none;
  background: var(--surface); color: var(--ink); border: 1px solid var(--line);
  transition: border-color .15s ease, transform .16s cubic-bezier(.23, 1, .32, 1);
}
.mod-botao:active { transform: scale(.97); }
@media (hover: hover) and (pointer: fine) { .mod-botao:hover { border-color: var(--accent); } }
.mod-botao--cheio { background: var(--ink); color: var(--ground); border-color: var(--ink); }
.mod-janela__codigos { display: grid; gap: 12px; padding: 16px 22px 24px; }
.mod-janela__codigos .bloco-codigo { margin: 0; }
.mod-janela__codigos pre { max-height: 360px; }

/* ---------- seções: o site de verdade, num iframe ---------- */
.mod-cel__palco--secao { display: block; place-items: normal; padding: 0; background: #fff; }   /* sem centralizar: o iframe escala a partir do canto */
.mod-sec { display: block; border: 0; background: #fff; }
.mod-sec--mini { transform-origin: 0 0; pointer-events: none; }
.mod-janela .mod-janela__palco--secao {
  height: auto; display: flex; justify-content: center; padding: 0; overflow: visible;
  background: var(--surface-2); contain: none;
}
.mod-janela__palco--secao .mod-sec {
  width: 100%; max-width: 100%; min-height: 360px; box-shadow: 0 0 0 1px var(--line);
  transition: width .3s cubic-bezier(.23, 1, .32, 1);
}
.mod-janela__telas { display: flex; gap: 6px; margin: 14px 22px 0; }
.mod-tela {
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 700; padding: 7px 12px; border-radius: 999px;
  background: var(--surface); color: var(--ink-soft); border: 1px solid var(--line); cursor: pointer;
  transition: transform .16s cubic-bezier(.23, 1, .32, 1);
}
.mod-tela:active { transform: scale(.97); }
.mod-tela[aria-pressed="true"] { background: var(--ink); color: var(--ground); border-color: var(--ink); }
.mod-janela__nota { margin: 14px 22px 0; font-size: 14px; color: var(--ink-soft); }
@media (prefers-reduced-motion: reduce) { .mod-janela__palco--secao .mod-sec { transition: none; } }

/* ---------- a lista por categoria, no fim ---------- */
.mod-lista { margin-top: 72px; }
.mod-lista__topo {
  display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px 20px;
  padding-bottom: 18px; border-bottom: 1px solid var(--line);
}
.mod-lista__topo h2 { margin: 0; font-size: clamp(26px, 4vw, 36px); font-weight: 800; letter-spacing: -.025em; }
.mod-lista__topo p { margin: 0; color: var(--muted); font-size: 14px; }
.mod-indice { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0 40px; }
.mod-indice__rot {
  margin: 26px 0 6px; font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
}
.mod-indice a {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 13px 0; border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-display); font-size: 16px; font-weight: 600; color: var(--ink); text-decoration: none;
}
.mod-indice a span { color: var(--muted); transition: transform .25s cubic-bezier(.23, 1, .32, 1), color .2s ease; }
@media (hover: hover) and (pointer: fine) {
  .mod-indice a:hover { color: var(--accent); }
  .mod-indice a:hover span { transform: translateX(4px); color: var(--accent); }
}

.mod-rodape {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; margin-top: 44px;
  padding: 18px 20px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface);
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
}
.mod-rodape strong { color: var(--ink); }
.mod-rodape a { margin-left: auto; color: var(--ink); font-weight: 700; text-decoration: none; }
.mod-rodape a:hover { color: var(--accent); }

@media (max-width: 560px) {
  .mod-cel__palco { height: 200px; }
  .mod-janela__palco { height: 280px; margin: 14px 14px 0; }
  .mod-janela__desc, .mod-janela__acoes { margin-left: 14px; margin-right: 14px; }
  .mod-janela__codigos { padding: 14px 14px 20px; }
}

/* ============================================================
   Rolagem (main[data-revelar]) — só esconde se o JS rodou
   ============================================================ */
.rv-mascara { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: .08em; margin-bottom: -.08em; }
.rv-mascara > span { display: inline-block; }
.js-revela .rv-mascara > span {
  translate: 0 105%;
  animation: rv-sobe .9s cubic-bezier(.23, 1, .32, 1) forwards;
  animation-delay: calc(80ms + var(--i, 0) * 70ms);
}
@keyframes rv-sobe { to { translate: 0 0; } }

/* translate e opacity são propriedades próprias: não brigam com o transform do hover */
.js-revela .rv {
  opacity: 0; translate: 0 18px;
  transition: opacity .7s cubic-bezier(.23, 1, .32, 1), translate .7s cubic-bezier(.23, 1, .32, 1);
}
.js-revela .mod-cel.rv { translate: 0 28px; }
.js-revela .rv.is-revelado { opacity: 1; translate: 0 0; }

/* o topo da página se afasta ao rolar — só onde o navegador liga a animação à rolagem */
@supports (animation-timeline: scroll()) {
  .js-revela main[data-revelar] .area {
    animation: rv-afasta linear both;
    animation-timeline: scroll(root);
    animation-range: 0 420px;
  }
  @keyframes rv-afasta { to { opacity: .25; translate: 0 -40px; } }
}
@media (prefers-reduced-motion: reduce) {
  .js-revela .rv, .js-revela .rv-mascara > span { opacity: 1; translate: none; animation: none; transition: none; }
  .js-revela main[data-revelar] .area { animation: none; }
}

@media print {
  .pular, .topo, .sumario, .indice, .nesta, .passo, .rodape,
  .marcar, .copiar, .btn-busca, .btn-icone, .busca,
  .navmenu, .celula__progresso, .celula__selo {
    display: none !important;
  }
  .palco, .palco--ref { display: block !important; }
  .leitura, main { max-width: none !important; margin: 0 !important; padding: 0 !important; }
  body { background: #fff !important; color: #111 !important; }
  a { color: inherit !important; text-decoration: underline; }
  .bloco-codigo, .tabela-caixa, .nota { break-inside: avoid; }
  .parte { break-before: page; }
  .parte:first-of-type { break-before: avoid; }
}

/* ============================================================
   IA DO SITE — o chat (ia.js + api/perguntar.mjs)
   Painel à direita, na mesma linguagem do resto: fio, sem sombra
   colorida, o teal só no que é ação.
   ============================================================ */
.visualmente-oculto {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* o botão que acompanha a página: fixo no canto, como o do WhatsApp */
.ia-fab {
  position: fixed; z-index: 150;
  right: max(20px, env(safe-area-inset-right)); bottom: max(20px, env(safe-area-inset-bottom));
  width: 58px; height: 58px; border: 0; border-radius: 50%; cursor: pointer;
  display: grid; place-items: center;
  background: var(--accent); color: var(--surface);
  box-shadow: 0 10px 28px -8px rgb(8 16 15 / .55), 0 2px 6px rgb(8 16 15 / .2);
  transition: transform .2s cubic-bezier(.23, 1, .32, 1), opacity .2s ease, scale .2s cubic-bezier(.23, 1, .32, 1);
}
.ia-fab .ico { width: 26px; height: 26px; }
.ia-fab:hover { transform: translateY(-2px); }
.ia-fab:active { transform: scale(.94); }
.ia-fab.is-escondido { opacity: 0; scale: .85; pointer-events: none; }
@media (max-width: 560px) {
  .ia-fab { width: 54px; height: 54px; right: 16px; bottom: max(16px, env(safe-area-inset-bottom)); }
}
@media print { .ia-fab { display: none; } }
.busca__ia {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 12px 19px; border: 0; border-top: 1px solid var(--line); background: none; cursor: pointer;
  font-family: var(--font-display); font-size: 14.5px; color: var(--ink-soft); text-align: left;
}
.busca__ia strong { color: var(--accent); font-weight: 700; }
.busca__ia:hover strong { text-decoration: underline; text-underline-offset: 3px; }

.ia { position: fixed; inset: 0; z-index: 210; }
.ia[hidden] { display: none; }
.ia__fundo {
  position: absolute; inset: 0; background: rgba(8, 16, 15, .45);
  opacity: 0; transition: opacity .2s ease;
}
.ia__painel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(460px, 100%);
  display: flex; flex-direction: column;
  background: var(--ground); color: var(--ink);
  border-left: 1px solid var(--line);
  translate: 100% 0;
  transition: translate .26s cubic-bezier(.32, .72, 0, 1);
}
.ia.is-aberto .ia__fundo { opacity: 1; }
.ia.is-aberto .ia__painel { translate: 0 0; }

.ia__topo {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px 14px 22px; border-bottom: 1px solid var(--line);
}
.ia__titulo { margin: 0 auto 0 0; font-size: 19px; font-weight: 700; letter-spacing: -.02em; }
.ia__acao {
  border: 0; background: none; padding: 6px 2px; cursor: pointer;
  font-family: var(--font-display); font-size: 13.5px; font-weight: 600; color: var(--muted);
}
.ia__acao:hover { color: var(--accent); }

.ia__rolo { flex: 1; overflow-y: auto; padding: 22px 22px 8px; overscroll-behavior: contain; }
.ia__vazio p { margin: 0 0 18px; font-size: 16px; line-height: 1.55; color: var(--ink-soft); }
.ia__sugestoes { display: grid; border-top: 1px solid var(--line); }
.ia__sugestao {
  text-align: left; border: 0; border-bottom: 1px solid var(--line); background: none;
  padding: 13px 2px; cursor: pointer; color: var(--ink);
  font-family: var(--font-display); font-size: 15px; font-weight: 600; line-height: 1.3;
  transition: color .15s ease;
}
.ia__sugestao:hover { color: var(--accent); }

.ia__pergunta {
  margin: 0 0 12px; padding-top: 18px; border-top: 1px solid var(--line);
  font-family: var(--font-display); font-size: 17px; font-weight: 700; letter-spacing: -.01em; line-height: 1.3;
  white-space: pre-wrap;
}
.ia__pergunta p { margin: 0; }
.ia__print {
  display: block; max-width: 200px; max-height: 160px; margin-bottom: 10px;
  border: 1px solid var(--line); border-radius: var(--radius); object-fit: contain; background: var(--surface);
}
.ia__pergunta:first-child { border-top: 0; padding-top: 0; }
.ia__resposta { margin: 0 0 24px; font-size: 15.5px; line-height: 1.6; color: var(--ink-soft); }
.ia__resposta > :first-child { margin-top: 0; }
.ia__resposta p, .ia__resposta ul, .ia__resposta ol { margin: 0 0 12px; }
.ia__resposta ul, .ia__resposta ol { padding-left: 20px; }
.ia__resposta strong { color: var(--ink); }
.ia__resposta code { font-size: .88em; }
.ia__resposta.is-erro { color: var(--muted); font-style: italic; }
.ia__resposta.is-escrevendo:empty::before {
  content: 'Procurando no site…'; color: var(--muted); font-style: italic;
}
.ia__codigo {
  margin: 0 0 12px; padding: 12px 14px; overflow-x: auto;
  background: var(--code-bg); color: var(--code-ink); border-radius: var(--radius);
  font-family: var(--font-mono); font-size: 12.5px; line-height: 1.55;
}
.ia__codigo code { background: none; border: 0; padding: 0; color: inherit; font-size: inherit; }

.ia__fontes { display: grid; margin-top: 14px; border-top: 1px solid var(--line); }
.ia__fontes span {
  padding: 10px 0 4px; font-family: var(--font-mono); font-size: 11.5px; color: var(--muted);
}
.ia__fontes a {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  padding: 7px 0; border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-display); font-size: 14px; font-weight: 600;
  color: var(--ink); text-decoration: none;
}
.ia__fontes a:hover { color: var(--accent); }
.ia__fontes small { flex: none; font-family: var(--font-mono); font-size: 11px; font-weight: 400; color: var(--muted); }

.ia__form {
  display: grid; gap: 8px;
  padding: 14px 16px 16px 22px; border-top: 1px solid var(--line); background: var(--ground);
}
.ia__linha { display: grid; grid-template-columns: auto 1fr auto; gap: 8px; align-items: end; }
.ia__clipe {
  width: 46px; height: 46px; display: grid; place-items: center; cursor: pointer;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--ink-soft);
  transition: border-color .15s ease, color .15s ease;
}
.ia__clipe:hover, .ia__clipe:focus-within { border-color: var(--accent); color: var(--accent); }
.ia__anexo { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-size: 14px; font-weight: 600; }
.ia__anexo[hidden] { display: none; }
.ia__anexo img { width: 56px; height: 42px; object-fit: cover; border: 1px solid var(--line); border-radius: var(--radius); }
.ia__anexo .ia__acao { margin-left: auto; }
.ia__anexo-erro { color: var(--muted); font-weight: 400; font-style: italic; }
.ia__soltar {
  position: absolute; inset: 12px; display: none; place-items: center;
  border: 2px dashed var(--accent); border-radius: 6px;
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--accent);
  pointer-events: none;
}
.ia__painel.is-soltando .ia__soltar { display: grid; }
.ia__campo {
  width: 100%; resize: none; max-height: 160px; field-sizing: content; min-height: 46px;
  padding: 11px 13px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); color: var(--ink);
  font-family: var(--font-body); font-size: 16px; line-height: 1.4;
}
.ia__campo:focus { outline: none; border-color: var(--accent); }
.ia__enviar {
  width: 46px; height: 46px; border: 0; border-radius: var(--radius); cursor: pointer;
  background: var(--accent); color: var(--surface); display: grid; place-items: center;
  transition: transform .16s cubic-bezier(.23, 1, .32, 1), opacity .15s ease;
}
.ia__enviar:active { transform: scale(.95); }
.ia__enviar:disabled { opacity: .45; cursor: default; }
.ia__aviso { margin: 0; font-size: 12.5px; line-height: 1.45; color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  .ia__painel, .ia__fundo, .ia-fab { transition: none; }
}