/* Padrão Aula 4Brand (#721) — componentes da lição: capa de resultado, print anotado, antes e depois, clipe, checklist.
   Regras: nada de véu/esmaecido sobre conteúdo, nenhum fade de saída, espaço sempre reservado (aspect-ratio + width/height),
   prefers-reduced-motion = tudo estático. Entradas usam transform, nunca opacity. Mobile 390 é a referência. */

/* ---- base compartilhada ---- */
.au-stage{position:relative;width:100%;aspect-ratio:var(--ar);overflow:hidden;border-radius:14px;border:1px solid var(--line,#DFE4EE);background:var(--paper-2,#F3F5F9);box-shadow:0 10px 30px -18px rgba(11,20,40,.35)}
.au-stage .au-img,.au-stage picture{display:block;width:100%;height:100%}
@media(min-width:860px){.au-stage{aspect-ratio:var(--ard,var(--ar))}} /* variante -desk: proporção própria (sem isso o cover cortava o print e as marcações xd,yd caíam fora) */
.au-stage .au-img{object-fit:cover;border:0;border-radius:0;box-shadow:none;margin:0;position:absolute;inset:0}
.au-fig,.au-print,.au-cmp,.au-clip{margin:1.6em 0}
.au-fig figcaption,.au-print figcaption,.au-cmp figcaption,.au-clip figcaption{font:500 13.5px/1.5 var(--font-body);color:var(--ink-3,#626C7E);margin-top:10px}
.au-fig-pair{display:grid;gap:14px}
@media(min-width:720px){.au-fig-pair{grid-template-columns:1fr 1fr}.au-fig-pair figcaption{grid-column:1/-1}}
.au-fig-k{font:700 11.5px/1 var(--font-body);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3,#626C7E);margin:0 0 8px}
.au-list{margin:0;padding-left:1.25em}

/* ---- capa de resultado ---- */
.au-capa{margin:0 0 26px;background:var(--paper,#fff);border:1.5px solid var(--line,#DFE4EE);border-radius:var(--radius-lg,18px);overflow:hidden}
.au-capa .au-stage{border-radius:0;border:0;box-shadow:none}
.au-capa figcaption{padding:16px 18px 18px;display:grid;gap:6px;border-top:1px solid var(--line,#DFE4EE)}
.au-capa-k{display:inline-flex;align-items:center;gap:8px;font:700 11.5px/1 var(--font-body);letter-spacing:.08em;text-transform:uppercase;color:var(--brand-gold-dark,#B8862E)}
.au-capa-k svg{width:14px;height:14px}
.au-capa p{margin:0;font:600 16.5px/1.4 var(--font-title);color:var(--ink,#1B2333)}
@media(min-width:860px){.au-capa{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:stretch}.au-capa figcaption{border-top:0;border-left:1px solid var(--line,#DFE4EE);align-content:center;padding:24px 26px}.au-capa p{font-size:19px}}
/* capa panorâmica (> 2.4:1, ex.: faixa justa do player de narração): na grade o stretch + cover ampliava a faixa até virar um borrão; empilhada ela fica nítida na largura toda */
@media(min-width:860px){.au-capa.au-capa-wide{display:block}.au-capa.au-capa-wide figcaption{border-left:0;border-top:1px solid var(--line,#DFE4EE)}}

/* ---- print anotado ---- */
.au-marks{list-style:none;margin:0;padding:0;position:absolute;inset:0;pointer-events:none}
.au-mark{position:absolute;left:var(--x);top:var(--y);width:0;height:0}
@media(min-width:860px){.au-mark{left:var(--xd,var(--x));top:var(--yd,var(--y))}} /* variante -desk tem outro enquadramento: posição própria */
.au-mark-in{position:absolute;left:0;top:0;transform:translate(-50%,-50%);display:block}
.au-num{position:absolute;left:0;top:0;transform:translate(-50%,-50%);width:30px;height:30px;border-radius:50%;background:var(--brand-blue,#2D4A7C);color:#fff;font:800 14px/30px var(--font-body);text-align:center;box-shadow:0 0 0 3px #fff,0 6px 16px -6px rgba(11,20,40,.6)}
.au-mark:not(.au-arrow) .au-num::after{content:"";position:absolute;inset:-9px;border-radius:50%;border:2px solid var(--brand-gold,#D4A84B)}
.au-dot{position:absolute;left:0;top:0;transform:translate(-50%,-50%);width:14px;height:14px;border-radius:50%;background:var(--brand-gold,#D4A84B);box-shadow:0 0 0 3px #fff,0 0 0 5px rgba(212,168,75,.45)}
.au-line{position:absolute;width:56px;height:56px;overflow:visible;stroke:var(--brand-blue,#2D4A7C);fill:var(--brand-blue,#2D4A7C);stroke-width:2.5;stroke-linecap:round;filter:drop-shadow(0 0 2px #fff) drop-shadow(0 0 1px #fff)}
.au-line .au-head{stroke-width:1}
/* seta: o número fica afastado 56 px na diagonal; a linha vai do número ao ponto (ponta no ponto) */
.au-arrow.au-tl .au-num{transform:translate(calc(-50% - 56px),calc(-50% - 56px))}
.au-arrow.au-tl .au-line{left:-56px;top:-56px}
.au-arrow.au-tr .au-num{transform:translate(calc(-50% + 56px),calc(-50% - 56px))}
.au-arrow.au-tr .au-line{left:0;top:-56px;transform:scaleX(-1)}
.au-arrow.au-bl .au-num{transform:translate(calc(-50% - 56px),calc(-50% + 56px))}
.au-arrow.au-bl .au-line{left:-56px;top:0;transform:scaleY(-1)}
.au-arrow.au-br .au-num{transform:translate(calc(-50% + 56px),calc(-50% + 56px))}
.au-arrow.au-br .au-line{left:0;top:0;transform:scale(-1,-1)}
@media(min-width:860px){
.au-arrow.au-d-tl .au-num{transform:translate(calc(-50% - 56px),calc(-50% - 56px))}.au-arrow.au-d-tl .au-line{left:-56px;top:-56px;transform:none}
.au-arrow.au-d-tr .au-num{transform:translate(calc(-50% + 56px),calc(-50% - 56px))}.au-arrow.au-d-tr .au-line{left:0;top:-56px;transform:scaleX(-1)}
.au-arrow.au-d-bl .au-num{transform:translate(calc(-50% - 56px),calc(-50% + 56px))}.au-arrow.au-d-bl .au-line{left:-56px;top:0;transform:scaleY(-1)}
.au-arrow.au-d-br .au-num{transform:translate(calc(-50% + 56px),calc(-50% + 56px))}.au-arrow.au-d-br .au-line{left:0;top:0;transform:scale(-1,-1)}
}
/* número em posição livre (seta@nx,ny): o JS mede o palco e põe o número em px; a linha sai da borda do número e termina
   com a ponta na borda do ponto. Sem JS o número fica sobre o ponto (igual ao círculo), nunca some. */
.au-link{position:absolute;left:0;top:-1.25px;height:2.5px;width:0;background:var(--brand-blue,#2D4A7C);border-radius:2px;transform-origin:0 50%;filter:drop-shadow(0 0 2px #fff) drop-shadow(0 0 1px #fff)}
.au-link::after{content:"";position:absolute;right:-2px;top:50%;transform:translateY(-50%);border-left:10px solid var(--brand-blue,#2D4A7C);border-top:5px solid transparent;border-bottom:5px solid transparent}
.au-free .au-num{transform:translate(-50%,-50%)}
/* ---- áudio (narração) ---- */
.au-aud{margin:1.6em 0}
.au-audio{display:grid;grid-template-columns:48px minmax(0,1fr);gap:4px 14px;align-items:center;min-height:72px;padding:12px 14px;background:var(--paper,#fff);border:1.5px solid var(--line,#DFE4EE);border-radius:16px}
.au-audio audio{grid-column:1/-1;width:100%;display:block;min-height:48px} /* sem JS: controle nativo */
.au-js-audio audio{display:none}
.au-audio-btn{width:48px;height:48px;border-radius:50%;border:0;background:var(--brand-blue,#2D4A7C);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:0 8px 20px -10px rgba(45,74,124,.8)}
.au-audio-btn:hover{background:var(--night-700,#1E3356)}
.au-audio-btn:focus-visible{outline:3px solid var(--brand-gold,#D4A84B);outline-offset:2px}
.au-audio-btn svg{width:20px;height:20px}
.au-audio-btn .au-ic-pause,.au-audio.playing .au-audio-btn .au-ic-play{display:none}
.au-audio.playing .au-audio-btn .au-ic-pause{display:block}
.au-audio-body{min-width:0;display:grid;gap:6px}
.au-audio-k{margin:0;font:700 13px/1.35 var(--font-body);color:var(--ink,#1B2333)}
.au-audio-row{display:flex;align-items:center;gap:10px}
.au-audio-range{flex:1 1 auto;min-width:0;height:28px;margin:0;-webkit-appearance:none;appearance:none;background:transparent;cursor:pointer}
.au-audio-range::-webkit-slider-runnable-track{height:6px;border-radius:3px;background:var(--line,#DFE4EE)}
.au-audio-range::-moz-range-track{height:6px;border-radius:3px;background:var(--line,#DFE4EE)}
.au-audio-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;margin-top:-6px;border-radius:50%;background:var(--brand-gold,#D4A84B);border:2px solid #fff;box-shadow:0 1px 4px rgba(11,20,40,.3)}
.au-audio-range::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--brand-gold,#D4A84B);border:2px solid #fff;box-shadow:0 1px 4px rgba(11,20,40,.3)}
.au-audio-range:focus-visible{outline:3px solid var(--brand-gold,#D4A84B);outline-offset:2px;border-radius:6px}
.au-audio-time{flex:0 0 auto;font:600 12.5px/1 var(--font-body);color:var(--ink-3,#626C7E);font-variant-numeric:tabular-nums;white-space:nowrap}
.au-audio-alt{margin:0;font:400 12.5px/1.45 var(--font-body);color:var(--ink-3,#626C7E)}
.au-capa .au-audio-capa{margin-top:6px;border-radius:14px;background:var(--paper-2,#F3F5F9)}
/* capa de texto (capa_texto): o trecho que virou o resultado, no lugar do print — aspas em dourado, texto no corpo da lição */
.au-capa-quote{margin:0;position:relative;padding:40px 20px 22px;background:var(--paper-2,#F3F5F9)}
.au-capa-quote::before{content:"\201C";position:absolute;left:16px;top:4px;font:700 64px/1 var(--font-title);color:var(--brand-gold,#D4A84B)}
.au-capa-quote p{margin:0;font:500 17px/1.55 var(--font-title);color:var(--ink,#1B2333)}
@media(min-width:860px){.au-capa-texto{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}.au-capa-quote{padding:52px 30px 30px;display:grid;align-content:center}.au-capa-quote::before{left:24px;top:12px}.au-capa-quote p{font-size:20px}}
/* sequência: entram uma vez (JS adiciona .on); escala a partir do ponto, sem opacidade */
.au-js .au-marks:not(.on) .au-mark-in{transform:translate(-50%,-50%) scale(0)}
.au-js .au-marks .au-mark-in{transition:transform .42s cubic-bezier(.2,.9,.3,1.25);transition-delay:calc(var(--i) * 260ms)}
.au-legend{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.au-legend li{display:flex;gap:10px;align-items:flex-start;font:500 14px/1.45 var(--font-body);color:var(--ink-2,#4B5568)}
.au-legend b{flex:none;width:24px;height:24px;border-radius:50%;background:var(--brand-blue,#2D4A7C);color:#fff;font:800 12px/24px var(--font-body);text-align:center}
@media(min-width:720px){.au-legend{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px}}

/* ---- antes e depois ---- */
.au-cmp-stage{cursor:ew-resize;touch-action:pan-y}
.au-cmp-after{position:absolute;inset:0;clip-path:inset(0 0 0 var(--pos));will-change:clip-path}
.au-cmp-after .au-img{position:absolute;inset:0}
.au-cmp-handle{position:absolute;top:0;bottom:0;left:var(--pos);width:0;pointer-events:none}
.au-cmp-handle::before{content:"";position:absolute;top:0;bottom:0;left:-1.5px;width:3px;background:#fff;box-shadow:0 0 0 1px rgba(11,20,40,.25)}
.au-cmp-grip{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;background:#fff;color:var(--brand-blue,#2D4A7C);display:grid;place-items:center;box-shadow:0 6px 18px -6px rgba(11,20,40,.55),0 0 0 1px rgba(11,20,40,.12)}
.au-cmp-grip svg{width:22px;height:22px}
.au-cmp-tag{position:absolute;top:10px;font:700 11px/1 var(--font-body);letter-spacing:.08em;text-transform:uppercase;padding:7px 10px;border-radius:999px;background:rgba(11,20,40,.78);color:#fff}
.au-cmp-tag-a{left:10px}.au-cmp-tag-b{right:10px}
.au-cmp-range{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;-webkit-appearance:none;appearance:none;background:transparent}
.au-cmp-range::-webkit-slider-thumb{-webkit-appearance:none;width:44px;height:100%}
.au-cmp-range::-moz-range-thumb{width:44px;height:100%;border:0;background:transparent}
.au-cmp:focus-within .au-cmp-grip{outline:3px solid var(--brand-gold,#D4A84B);outline-offset:2px}

/* ---- antes e depois por toque (texto): seletor + altura reservada para a maior imagem ---- */
.au-alt{margin:1.6em 0}
.au-alt-seg{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;background:var(--paper-2,#F3F5F9);border:1px solid var(--line,#DFE4EE);border-radius:999px;margin:0 0 10px}
.au-alt-btn{min-height:44px;border:0;border-radius:999px;background:transparent;color:var(--ink-2,#4B5568);font:700 14px/1 var(--font-body);cursor:pointer}
.au-alt-btn[aria-selected="true"]{background:var(--brand-blue,#2D4A7C);color:#fff;box-shadow:0 6px 16px -8px rgba(11,20,40,.5)}
.au-alt-btn:focus-visible{outline:3px solid var(--brand-gold,#D4A84B);outline-offset:2px}
.au-alt-stage{background:var(--paper,#fff)}
.au-alt-pane{position:absolute;inset:0}
.au-alt-pane[hidden]{display:none}
.au-alt .au-img{object-fit:contain;object-position:center} /* palco tem a altura da imagem mais alta: a mais baixa fica centrada em vez de deixar um vazio embaixo (lição 7) */
.au-alt figcaption{font:500 13.5px/1.5 var(--font-body);color:var(--ink-3,#626C7E);margin-top:10px}

/* ---- clipe ---- */
.au-clip-stage{cursor:pointer}
/* clipe em pé (gravado no celular): no desktop ocupa a altura útil da tela, do tamanho de um celular e centrado, em vez de esticar a 700+ px de largura e 1400+ de altura */
@media(min-width:860px){.au-clip-stage.au-portrait{width:min(100%,calc((100vh - 170px) * var(--arnd,var(--arn,.5))));min-width:260px;margin-inline:auto}}
/* print/antes-depois em pé sem variante -desk (captura de celular): no desktop fica numa coluna de celular (440 px), centrado, em vez de esticar a 730 px de largura e 1600+ de altura */
@media(min-width:860px){.au-print .au-stage.au-portrait,.au-alt-stage.au-portrait,.au-cmp-stage.au-portrait{width:min(100%,440px);margin-inline:auto}}
.au-video{display:block;width:100%;height:100%;position:absolute;inset:0;object-fit:cover;background:var(--night-900,#070E1D)}
.au-clip figcaption{display:flex;align-items:center;flex-wrap:wrap;gap:6px 12px}
.au-clip-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:98px;min-height:36px;margin:-2px 0;padding:0 14px 0 10px;border-radius:999px;border:1px solid var(--line,#DFE4EE);background:var(--paper,#fff);color:var(--brand-blue,#2D4A7C);font:600 13px/1 var(--font-body);cursor:pointer;flex:0 0 auto}
.au-clip-btn:hover{border-color:var(--brand-blue,#2D4A7C)}
.au-clip-btn svg{width:16px;height:16px}
.au-clip-cap{flex:1 1 200px;min-width:0} /* min-width da pílula: 'Tocar'→'Pausar' mudava a largura e a legenda ao lado reflui­a de 3 para 2 linhas no autoplay (CLS 0,02 a 390, guarda do curso 11/10) */
.au-clip-btn .au-ic-pause,.au-clip-btn .au-clip-t-pause{display:none}
.au-clip.playing .au-clip-btn .au-ic-play,.au-clip.playing .au-clip-btn .au-clip-t-play{display:none}
.au-clip.playing .au-clip-btn .au-ic-pause{display:block}
.au-clip.playing .au-clip-btn .au-clip-t-pause{display:inline}
.au-clip-btn:focus-visible{outline:3px solid var(--brand-gold,#D4A84B);outline-offset:2px}

/* ---- checklist do "Faça agora" ---- */
.au-check{margin:1.2em 0 0;background:var(--paper,#fff);border:1.5px solid var(--line,#DFE4EE);border-radius:var(--radius-lg,18px);padding:6px 6px 10px}
.au-check-list{list-style:none;margin:0;padding:0}
.au-item+.au-item{border-top:1px solid var(--line,#DFE4EE)}
.au-tick{display:grid;grid-template-columns:26px minmax(0,1fr);gap:12px;align-items:center;width:100%;min-height:52px;padding:10px 10px;border:0;background:transparent;text-align:left;cursor:pointer;border-radius:12px;font:500 15.5px/1.4 var(--font-body);color:var(--ink,#1B2333)}
.au-tick:hover{background:var(--paper-2,#F3F5F9)}
.au-tick:focus-visible{outline:3px solid var(--brand-gold,#D4A84B);outline-offset:-3px}
.au-box{width:26px;height:26px;border-radius:8px;border:2px solid var(--blue-300,#8FA7CF);background:#fff;display:grid;place-items:center;color:#fff;transition:background .25s,border-color .25s}
.au-box svg{width:18px;height:18px}
.au-check-path{stroke-dasharray:24;stroke-dashoffset:24;transition:stroke-dashoffset .35s ease-out .08s}
.au-item.done .au-box{background:var(--brand-blue,#2D4A7C);border-color:var(--brand-blue,#2D4A7C)}
.au-item.done .au-check-path{stroke-dashoffset:0}
.au-item.done .au-txt{color:var(--ink-2,#4B5568)}
.au-auto{grid-column:2;display:none;font:700 11px/1 var(--font-body);letter-spacing:.06em;text-transform:uppercase;color:#166534;background:#DCFCE7;border-radius:999px;padding:5px 8px;justify-self:start;margin-top:-4px}
.au-item.done.auto .au-auto{display:inline-block}
.au-check-status{margin:8px 10px 0;font:600 13px/1.4 var(--font-body);color:var(--ink-3,#626C7E);display:flex;align-items:center;gap:8px;min-height:22px}
.au-check-status .au-seal{display:none;width:22px;height:22px;border-radius:50%;background:#16A34A;color:#fff;place-items:center;transform:scale(0)}
.au-check-status .au-seal svg{width:14px;height:14px}
.au-check.all .au-check-status{color:#166534}
.au-check.all .au-seal{display:grid;transform:scale(1);transition:transform .35s cubic-bezier(.2,.9,.3,1.3)}

/* ---- movimento reduzido: tudo parado, tudo visível ---- */
@media (prefers-reduced-motion: reduce){
  .au-js .au-marks .au-mark-in,.au-js .au-marks:not(.on) .au-mark-in{transform:translate(-50%,-50%);transition:none}
  .au-check-path{transition:none;stroke-dashoffset:24}
  .au-item.done .au-check-path{stroke-dashoffset:0}
  .au-box,.au-check.all .au-seal{transition:none}
  .au-cmp-after{will-change:auto}
}