/* ============================================================
   Comunidade VarejoTech — Design tokens das apresentações de aula
   Formato: página de leitura (o instrutor lê em voz alta e explica).
   Identidade extraída de aula-1-voce-orquestra-agentes.html.
   Poppins (títulos) + Mulish (corpo) + JetBrains Mono (comando).
   ============================================================ */

:root {
  /* ===== Marca ===== */
  --navy:       #143852;   /* texto forte, fundos escuros, cabeçalhos de tabela */
  --navy-800:   #10314a;
  --navy-900:   #0d2536;   /* rodapé, base do gradiente do hero */
  --green:      #afcb07;   /* acento gráfico: barras, blocos, fundos, texto sobre navy */
  --green-ink:  #5f7600;   /* acento em TEXTO sobre fundo claro — nunca use --green aqui */
  --green-bg:   #f3f7e2;   /* fundo suave de acento */
  --green-line: #dbe6a3;

  /* ===== Superfícies ===== */
  --paper:      #ffffff;   /* .sec */
  --card:       #f2f5f7;   /* .sec-alt e caixas sobre branco */
  --ice:        #d9e6ec;   /* texto secundário sobre navy */
  --line:       #e2e8ee;
  --line-dark:  rgba(255,255,255,.14);

  /* ===== Texto ===== */
  --ink:        #143852;
  --gray:       #5a6b7b;
  --gray-soft:  #7a8a99;

  /* ===== Semânticos ===== */
  --warn:       #b07d00;
  --warn-bg:    #fdf6e7;
  --warn-line:  #e8cf92;
  --danger:     #b3261e;
  --danger-bg:  #fdefee;
  --danger-line:#eec3c0;
  --ok:         #3f7a2e;
  --ok-bg:      #eef6ec;
  --ok-line:    #c3ddb8;
  --info:       #1c5f86;
  --info-bg:    #eef5f9;
  --info-line:  #bcd7e6;

  /* ===== Tipografia ===== */
  --f-head: "Poppins", "Segoe UI", system-ui, sans-serif;
  --f-body: "Mulish", "Segoe UI", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;

  /* ===== Layout ===== */
  --wrap: 760px;      /* coluna de leitura — texto corrido não passa de ~68 caracteres */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: hidden; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--f-body);
  background: #eaeff3;
  color: var(--ink);
  line-height: 1.62;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  background: var(--paper);
  box-shadow: 0 30px 80px -50px rgba(13, 37, 54, .55);
}
@media (min-width: 820px) { .wrap { margin: 34px auto; border-radius: var(--radius-lg); } }

img { max-width: 100%; display: block; }

/* ============================================================
   Barra de progresso de leitura
   ============================================================ */
.progress {
  position: fixed; top: 0; left: 0; z-index: 60;
  height: 4px; width: 0; background: var(--green);
  transition: width .08s linear;
}

/* ============================================================
   Tipografia
   ============================================================ */

h1 {
  font-family: var(--f-head);
  font-size: clamp(2rem, 5.2vw, 2.85rem);
  font-weight: 700; line-height: 1.06; letter-spacing: -.025em;
  color: #fff; margin-bottom: 1.1rem;
}
h2 {
  font-family: var(--f-head);
  font-size: clamp(1.45rem, 3.4vw, 1.85rem);
  font-weight: 700; line-height: 1.18; letter-spacing: -.02em;
  color: var(--navy); margin-bottom: 1.05rem;
}
h3 {
  font-family: var(--f-head);
  font-size: 1.14rem; font-weight: 600; line-height: 1.3;
  letter-spacing: -.01em; color: var(--navy); margin-bottom: .4rem;
}
h4 {
  font-family: var(--f-head);
  font-size: .82rem; font-weight: 600; letter-spacing: .16em;
  text-transform: uppercase; color: var(--green-ink); margin-bottom: .6rem;
}

/* A segunda metade do título em acento — o gesto que separa a tese do resto. */
h1 em, h2 em, h3 em { font-style: normal; font-weight: 700; }
h1 em { color: var(--green); }
h2 em, h3 em { color: var(--green-ink); }

p {
  font-family: var(--f-body);
  font-size: 1.06rem; line-height: 1.68;
  color: var(--gray); margin-bottom: .95rem;
}
p:last-child { margin-bottom: 0; }
/* Negrito = a âncora que o instrutor sustenta na voz. Use com parcimônia. */
p strong, li strong, td strong { color: var(--navy); font-weight: 700; }

a { color: var(--green-ink); text-decoration: none; border-bottom: 1.5px solid var(--green-line); }
a:hover { color: var(--navy); border-bottom-color: var(--navy); }
:focus-visible { outline: 3px solid var(--green-ink); outline-offset: 3px; }

ul, ol { margin: .9rem 0 .9rem 1.25rem; color: var(--gray); font-size: 1.06rem; line-height: 1.68; }
li { margin-bottom: .45rem; }

/* ============================================================
   Cabeçalho e barra de ações
   ============================================================ */

.aula-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  padding: 1.6rem 2.4rem 1.2rem;
}
/* O logo tem "varejo" em branco — só funciona sobre navy. No cabeçalho claro
   a marca vai em texto; o logo aparece no hero e no rodapé. */
.aula-header-brand {
  font-family: var(--f-head); font-size: 1.02rem; font-weight: 700;
  letter-spacing: -.01em; color: var(--navy);
}
.aula-header-brand .accent { color: var(--green-ink); }
.aula-header-meta {
  font-family: var(--f-head); font-size: .72rem; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase; color: var(--gray-soft);
}

.actionbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: .4rem 1.6rem;
  padding: .9rem 2.4rem; border-bottom: 1px solid var(--line);
}
.action {
  display: inline-flex; align-items: center; gap: .45rem;
  font-family: var(--f-head); font-size: .82rem; font-weight: 600;
  color: var(--gray); border-bottom: none;
}
.action:hover { color: var(--green-ink); border-bottom: none; }
.action.primary { color: var(--green-ink); }

@media (max-width: 620px) {
  .aula-header { padding: 1.3rem 1.4rem 1rem; }
  .actionbar { padding: .8rem 1.4rem; gap: .4rem 1.1rem; }
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  padding: 3.6rem 2.4rem 3rem;
  color: #fff;
  background:
    radial-gradient(1000px 500px at 88% -20%, rgba(175,203,7,.20), transparent 62%),
    linear-gradient(135deg, #0d2536 0%, #10314a 55%, #143852 100%);
}
@media (min-width: 820px) { .hero { border-radius: var(--radius-lg) var(--radius-lg) 0 0; } }
@media (max-width: 620px) { .hero { padding: 2.6rem 1.4rem 2.2rem; } }

.hero-logo { width: clamp(140px, 18vw, 170px); height: auto; margin-bottom: 1.8rem; }

.hero-meta { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.5rem; }
.hero-meta-item {
  font-family: var(--f-head); font-size: .7rem; font-weight: 600;
  letter-spacing: .13em; text-transform: uppercase; color: var(--ice);
  padding: .35rem .7rem; border: 1px solid var(--line-dark);
  border-radius: var(--radius-pill); background: rgba(255,255,255,.05);
}
.hero-meta-item strong { color: #fff; font-weight: 700; }

.hero-sub {
  font-size: 1.12rem; line-height: 1.6; color: var(--ice);
  max-width: 56ch; margin-bottom: 0;
}
.hero-sub strong { color: #fff; font-weight: 700; }
/* o hero pode ter mais de um parágrafo — sem isto o segundo cola no primeiro */
.hero-sub + .hero-sub { margin-top: 1rem; }

.hero-needs { margin-top: 1.6rem; padding-top: 1.3rem; border-top: 1px solid var(--line-dark); }
.needs-label {
  display: block; font-family: var(--f-head); font-size: .7rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; color: var(--green); margin-bottom: .7rem;
}
.needs-list { display: flex; flex-wrap: wrap; gap: .5rem; }
.needs-item {
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: .82rem; font-weight: 600; color: var(--ice);
  padding: .4rem .8rem; border: 1px solid var(--line-dark);
  border-radius: var(--radius-pill); background: rgba(255,255,255,.05);
}
.needs-item.optional { color: var(--gray-soft); border-style: dashed; }

/* ============================================================
   Seções — alternância clara / gelo, e a variante navy
   ============================================================ */

.sec { padding: 3.2rem 2.4rem 2.9rem; background: var(--paper); }
.sec-alt { background: var(--card); }
@media (max-width: 620px) { .sec { padding: 2.4rem 1.4rem 2.2rem; } }

/* Seção navy: para o divisor de capítulo e para a frase que fecha um bloco. */
.sec-dark {
  color: #fff;
  background:
    radial-gradient(800px 460px at 88% 0%, rgba(175,203,7,.16), transparent 62%),
    linear-gradient(120deg, #0d2536, #143852);
}
.sec-dark h2, .sec-dark h3 { color: #fff; }
.sec-dark h2 em, .sec-dark h3 em { color: var(--green); }
.sec-dark p { color: var(--ice); }
.sec-dark p strong, .sec-dark li strong { color: #fff; }
.sec-dark .sec-label { color: var(--green); }
.sec-dark li { color: var(--ice); }
.sec-dark a { color: var(--green); border-bottom-color: rgba(175,203,7,.4); }

/* Kicker: diz ao instrutor em que momento da aula ele está. */
.sec-label {
  display: block; font-family: var(--f-head); font-size: .72rem; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase; color: var(--green-ink);
  margin-bottom: .85rem;
}

/* ============================================================
   Destaque — a frase que ancora o bloco
   ============================================================ */

.destaque {
  background: var(--green-bg); border: 1px solid var(--green-line);
  border-left: 5px solid var(--green);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.4rem 1.6rem; margin: 1.5rem 0;
}
.destaque .label {
  display: block; font-family: var(--f-head); font-size: .7rem; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase; color: var(--green-ink); margin-bottom: .6rem;
}
.destaque .frase {
  font-family: var(--f-head); font-size: clamp(1.2rem, 2.6vw, 1.5rem);
  font-weight: 600; line-height: 1.3; color: var(--navy); margin: 0;
}
.destaque cite {
  display: block; margin-top: .8rem; font-style: normal; font-family: var(--f-body);
  font-size: .92rem; color: var(--gray); font-weight: 600;
}
.sec-dark .destaque { background: rgba(175,203,7,.10); border-color: rgba(175,203,7,.35); }
.sec-dark .destaque .frase { color: #fff; }
.sec-dark .destaque cite { color: var(--ice); }

/* ============================================================
   Callouts
   ============================================================ */

.callout {
  position: relative; margin: 1.4rem 0;
  padding: 1.05rem 1.3rem 1.05rem 3.1rem;
  border: 1px solid var(--line); border-left-width: 4px;
  border-radius: var(--radius-md); background: var(--card);
}
.callout::before { position: absolute; left: 1.1rem; top: 1rem; font-size: 1.05rem; line-height: 1; }
.callout p { font-size: .99rem; margin-bottom: .5rem; }
.callout p:last-child { margin-bottom: 0; }

.callout-info    { border-left-color: var(--info);   background: var(--info-bg);   border-color: var(--info-line); }
.callout-info::before    { content: "i"; font-family: var(--f-head); font-weight: 700; color: var(--info); }
.callout-tip     { border-left-color: var(--ok);     background: var(--ok-bg);     border-color: var(--ok-line); }
.callout-tip::before     { content: "★"; color: var(--ok); }
.callout-warning { border-left-color: var(--warn);   background: var(--warn-bg);   border-color: var(--warn-line); }
.callout-warning::before { content: "!"; font-family: var(--f-head); font-weight: 700; color: var(--warn); }
.callout-danger  { border-left-color: var(--danger); background: var(--danger-bg); border-color: var(--danger-line); }
.callout-danger::before  { content: "×"; font-family: var(--f-head); font-weight: 700; color: var(--danger); }
.callout-success { border-left-color: var(--ok);     background: var(--ok-bg);     border-color: var(--ok-line); }
.callout-success::before { content: "✓"; color: var(--ok); font-weight: 700; }

.sec-dark .callout {
  background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14);
  border-left-color: var(--green);
}
.sec-dark .callout p { color: var(--ice); }
.sec-dark .callout::before { color: var(--green); }

/* ============================================================
   Bullet card — a lista de pontos que se lê em voz alta
   ============================================================ */

.bullet-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius-md); padding: 1.4rem 1.6rem; margin: 1.4rem 0;
}
.sec-alt .bullet-card { background: var(--paper); }
.bullet-card p { font-size: 1.01rem; margin-bottom: .7rem; }
.bullet-card p:last-child { margin-bottom: 0; }
.bullet-card .check {
  color: var(--green-ink); font-weight: 700; margin-right: .35rem;
  font-family: var(--f-head);
}
.sec-dark .bullet-card { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); }
.sec-dark .bullet-card p { color: var(--ice); }
.sec-dark .bullet-card .check { color: var(--green); }

/* ============================================================
   Item com marcador — número ou símbolo + título + explicação
   ============================================================ */

.item-icon { display: flex; align-items: flex-start; gap: 1.05rem; margin-bottom: 1.4rem; }
.item-icon:last-child { margin-bottom: 0; }
.item-icon-box {
  flex-shrink: 0; width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--f-head); font-size: 1.05rem; font-weight: 700;
  color: var(--navy); background: var(--green); border-radius: var(--radius-md);
}
.item-icon-content { flex: 1; min-width: 0; }
.item-icon-content p { font-size: 1rem; margin-bottom: 0; }
.sec-dark .item-icon-content h3 { color: #fff; }
.sec-dark .item-icon-content p { color: var(--ice); }

/* ============================================================
   Passos numerados com linha de conexão
   ============================================================ */

.steps { list-style: none; counter-reset: s; margin: 1.5rem 0; padding: 0; }
.steps > li {
  counter-increment: s; position: relative;
  padding: .15rem 0 1.5rem 3.1rem; font-size: 1.04rem; line-height: 1.6; color: var(--gray);
}
.steps > li:last-child { padding-bottom: 0; }
.steps > li::before {
  content: counter(s); position: absolute; left: 0; top: 0;
  width: 32px; height: 32px; background: var(--green); color: var(--navy);
  font-family: var(--f-head); font-weight: 700; font-size: .92rem;
  display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm);
}
.steps > li:not(:last-child)::after {
  content: ""; position: absolute; left: 15px; top: 36px; bottom: 6px;
  width: 2px; background: var(--line);
}
.steps > li strong { color: var(--navy); font-weight: 700; }
.sec-dark .steps > li { color: var(--ice); }
.sec-dark .steps > li strong { color: #fff; }
.sec-dark .steps > li:not(:last-child)::after { background: rgba(255,255,255,.18); }

/* ============================================================
   Tabelas
   ============================================================ */

.table-wrap { overflow-x: auto; margin: 1.4rem 0; border-radius: var(--radius-md); }
table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius-md); overflow: hidden; font-size: .99rem;
}
.sec-alt table { background: var(--paper); }
th, td {
  text-align: left; vertical-align: top; padding: .85rem 1.05rem;
  border-bottom: 1px solid var(--line); line-height: 1.55; color: var(--gray);
}
th {
  font-family: var(--f-head); font-size: .74rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  color: #fff; background: var(--navy);
}
th.col-sim { background: var(--green); color: var(--navy); }
tr:last-child td { border-bottom: none; }
td.nao { background: var(--card); }
td.sim { background: #fbfdf3; border-left: 3px solid var(--green); color: var(--navy); }
td.sim strong { color: var(--green-ink); }

/* ============================================================
   Cards
   ============================================================ */

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.1rem; margin: 1.5rem 0; }
.card {
  position: relative; padding: 1.3rem 1.25rem;
  background: var(--paper); border: 1px solid var(--line);
  border-top: 4px solid var(--green); border-radius: var(--radius-md);
}
.sec-alt .card { background: var(--paper); }
.card-title { font-family: var(--f-head); font-size: 1.05rem; font-weight: 600; color: var(--navy); margin-bottom: .35rem; }
.card-desc { font-size: .98rem; line-height: 1.55; color: var(--gray); margin-bottom: 0; }
.sec-dark .card { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.14); border-top-color: var(--green); }
.sec-dark .card-title { color: #fff; }
.sec-dark .card-desc { color: var(--ice); }

/* ============================================================
   Terminal — o comando que o aluno digita
   ============================================================ */

.terminal-card {
  margin: 1.4rem 0; border-radius: var(--radius-md); overflow: hidden;
  background: #0e2536; border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 26px 56px -34px rgba(6,20,32,.85);
}
.terminal-card-header {
  display: flex; align-items: center; gap: .6rem; flex-wrap: wrap;
  padding: .7rem 1.15rem; background: rgba(255,255,255,.04);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.terminal-card-label {
  font-family: var(--f-head); font-size: .7rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; color: var(--green);
}
.terminal-card-where {
  margin-left: auto; font-family: var(--f-mono); font-size: .7rem;
  color: #8199aa; letter-spacing: .02em;
}
.terminal-card-body {
  padding: 1.1rem 1.25rem; font-family: var(--f-mono);
  font-size: .94rem; line-height: 1.7; color: #e9f1f6; overflow-x: auto;
}
.terminal-card-body .prompt-symbol { color: var(--green); font-weight: 600; user-select: none; margin-right: .55rem; }
.terminal-card-body .comment { color: #8199aa; font-style: italic; }
.terminal-card-body .out { color: #9fb3c1; }
.terminal-card-body .err { color: #ff8f86; }
.terminal-card-body .ok { color: #a9d94d; }
.terminal-card-tip {
  padding: .85rem 1.25rem; font-size: .92rem; color: #b6c7d3;
  border-top: 1px dashed rgba(175,203,7,.22); font-style: italic;
}

/* ============================================================
   Pedido em português — o que se digita para o Claude
   ============================================================ */

.prompt-card {
  margin: 1.4rem 0; border-radius: var(--radius-md); overflow: hidden;
  background: var(--paper); border: 1px solid var(--green-line);
}
.sec-alt .prompt-card { background: var(--paper); }
.prompt-card-header {
  display: flex; align-items: center; gap: .6rem; flex-wrap: wrap;
  padding: .7rem 1.15rem; background: var(--green-bg);
  border-bottom: 1px solid var(--green-line);
}
.prompt-card-label {
  font-family: var(--f-head); font-size: .7rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; color: var(--green-ink);
}
.prompt-card-where {
  margin-left: auto; font-family: var(--f-head); font-size: .7rem;
  font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--gray-soft);
}
.prompt-card-body {
  padding: 1.05rem 1.25rem; font-family: var(--f-mono); font-size: .92rem;
  line-height: 1.65; color: var(--navy); white-space: pre-wrap; word-break: break-word;
}
.prompt-card-tip {
  padding: .8rem 1.25rem; font-size: .92rem; color: var(--gray);
  border-top: 1px dashed var(--green-line); font-style: italic;
}

/* ============================================================
   Código inline e blocos
   ============================================================ */

code {
  font-family: var(--f-mono); font-size: .88em;
  background: var(--card); color: var(--green-ink);
  padding: .1rem .35rem; border-radius: var(--radius-sm); border: 1px solid var(--line);
}
.sec-dark code,
.terminal-card code { background: rgba(255,255,255,.08); color: var(--green); border-color: rgba(255,255,255,.16); }
td code, .callout code { background: #fff; }

pre {
  background: #0e2536; color: #e9f1f6; padding: 1.1rem 1.25rem;
  border-radius: var(--radius-md); overflow-x: auto; margin: 1.2rem 0;
  font-family: var(--f-mono); font-size: .92rem; line-height: 1.6;
}
pre code { background: transparent; border: none; padding: 0; color: inherit; font-size: inherit; }

/* ============================================================
   Figura — diagrama SVG
   ============================================================ */

figure.fig {
  margin: 1.8rem 0; padding: 1.6rem 1.3rem 1rem;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
}
.sec-alt figure.fig { background: var(--paper); }
figure.fig svg { width: 100%; height: auto; display: block; }
figcaption { font-size: .9rem; color: var(--gray); text-align: center; margin-top: .9rem; font-style: italic; }

/* ============================================================
   Captura de tela
   ============================================================ */

.shot { margin: 1.4rem 0; border: 1px solid var(--green-line); border-radius: var(--radius-md); overflow: hidden; }
.shot-cap {
  padding: .7rem 1.1rem; font-family: var(--f-head); font-size: .72rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; color: var(--green-ink);
  background: var(--green-bg); border-bottom: 1px solid var(--green-line);
}
.shot img { width: 100%; display: block; }
.shot-ph { padding: 2.6rem 1.2rem; text-align: center; color: var(--gray-soft); font-size: .95rem; font-style: italic; background: var(--card); }

/* ============================================================
   CTA — a ponte para a próxima aula
   ============================================================ */

.cta-card {
  background: linear-gradient(135deg, var(--green-bg) 0%, #eef3f7 100%);
  border: 1px solid var(--green-line); border-radius: var(--radius-lg);
  padding: 1.9rem 1.8rem; margin: 1.4rem 0;
}
.cta-card h3 { font-size: 1.3rem; line-height: 1.25; margin-bottom: .7rem; }
.cta-card p { margin-bottom: 1.3rem; }
.cta-button {
  display: inline-block; background: var(--green); color: var(--navy) !important;
  padding: .8rem 1.6rem; font-family: var(--f-head); font-size: .95rem; font-weight: 700;
  border-radius: var(--radius-pill); border-bottom: none !important;
  box-shadow: 0 12px 28px -14px rgba(95,118,0,.75);
  transition: transform .15s ease, box-shadow .15s ease;
}
.cta-button:hover { transform: translateY(-1px); box-shadow: 0 16px 34px -14px rgba(95,118,0,.8); color: var(--navy) !important; }
@media (prefers-reduced-motion: reduce) { .cta-button { transition: none; } .cta-button:hover { transform: none; } }

/* ============================================================
   Rodapé
   ============================================================ */

.aula-footer {
  background: var(--navy-900); color: var(--ice);
  padding: 2.2rem 2.4rem 2.4rem; border-top: 1px solid var(--line);
}
@media (min-width: 820px) { .aula-footer { border-radius: 0 0 var(--radius-lg) var(--radius-lg); } }
@media (max-width: 620px) { .aula-footer { padding: 1.8rem 1.4rem 2rem; } }
.aula-footer-logo { width: 128px; height: auto; margin-bottom: 1.4rem; opacity: .96; }
.aula-footer-block { margin-bottom: 1.3rem; }
.aula-footer-block h4 { color: var(--green); margin-bottom: .5rem; }
.aula-footer-block p { font-size: .93rem; color: var(--ice); margin-bottom: 0; }
.aula-footer-block p strong { color: #fff; }
.aula-footer a { color: var(--green); border-bottom-color: rgba(175,203,7,.4); }
.aula-footer-credit {
  font-size: .82rem; color: var(--gray-soft); line-height: 1.6;
  padding-top: 1.3rem; border-top: 1px solid rgba(255,255,255,.1); margin-top: 1.3rem;
}

/* ============================================================
   Revelação suave ao rolar
   ============================================================ */

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ============================================================
   .deck — a variante em tópicos, projetada na tela do aluno
   Mesma identidade, mesmos componentes: muda só a escala e o
   ritmo vertical. Aplicar no wrap: <div class="wrap deck">.
   A página de leitura (sem .deck) continua sendo a fonte do
   conteúdo; esta é o resumo que o aluno vê enquanto o
   instrutor lê a outra.
   ============================================================ */

.deck { max-width: 1060px; }

.deck .sec {
  padding: 3.8rem 3.4rem;
  min-height: 82vh;
  display: flex; flex-direction: column; justify-content: center;
}
.deck .hero { padding: 4.2rem 3.4rem 3.4rem; }

.deck h2 { font-size: clamp(1.7rem, 4vw, 2.35rem); margin-bottom: 1.3rem; }
.deck h3 { font-size: 1.14rem; }
.deck .sec-label { font-size: .78rem; margin-bottom: 1rem; }

.deck p, .deck li { font-size: 1.14rem; }
.deck .bullet-card { padding: 1.6rem 1.8rem; }
/* recuo pendurado: a linha seguinte alinha com o texto, não com a seta */
.deck .bullet-card p { font-size: 1.16rem; margin-bottom: .95rem; padding-left: 1.55rem; text-indent: -1.55rem; }
.deck .item-icon-content p { font-size: 1.08rem; }
.deck .callout p { font-size: 1.06rem; }
.deck .destaque .frase { font-size: clamp(1.35rem, 3vw, 1.8rem); }
.deck .destaque cite { font-size: 1rem; }
.deck table { font-size: 1.03rem; }
.deck figure.fig { margin: 1.3rem 0 .6rem; }

@media (max-width: 900px) {
  .deck .sec { min-height: 0; display: block; padding: 2.6rem 1.6rem 2.4rem; }
  .deck .hero { padding: 2.8rem 1.6rem 2.4rem; }
}

/* ============================================================
   Impressão — a página vira material de apoio em PDF
   ============================================================ */

@media print {
  body { background: #fff; }
  .wrap { max-width: none; margin: 0; box-shadow: none; border-radius: 0; }
  .progress, .actionbar, .cta-button { display: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }

  .hero, .sec-dark { background: #fff !important; color: var(--navy) !important; }
  .hero h1, .sec-dark h2, .sec-dark h3 { color: var(--navy) !important; }
  .hero h1 em, .sec-dark h2 em { color: var(--green-ink) !important; }
  .hero-sub, .sec-dark p, .sec-dark li { color: #333 !important; }
  .hero-sub strong, .sec-dark p strong { color: var(--navy) !important; }
  .hero-meta-item, .needs-item { color: var(--navy) !important; border-color: #ccc !important; background: #f6f6f6 !important; }
  .needs-label, .sec-dark .sec-label { color: var(--green-ink) !important; }

  .sec, .sec-alt { background: #fff !important; }
  .card, .bullet-card, .callout, .destaque, .cta-card, .prompt-card, figure.fig {
    background: #fafafa !important; border: 1px solid #ddd !important; page-break-inside: avoid;
  }
  .terminal-card, pre { background: #f3f3f3 !important; border: 1px solid #ddd !important; page-break-inside: avoid; }
  .terminal-card-body, pre { color: #1a1a1a !important; }
  .terminal-card-body .out, .terminal-card-tip { color: #555 !important; }
  .terminal-card-header { background: #ececec !important; }
  .terminal-card-label { color: var(--green-ink) !important; }

  .aula-footer { background: #fff !important; color: #333 !important; border-radius: 0; }
  .aula-footer-block h4, .aula-footer a { color: var(--green-ink) !important; }
  .aula-footer-block p { color: #333 !important; }

  h2, h3 { page-break-after: avoid; }
  table, .item-icon, .steps > li { page-break-inside: avoid; }

  .deck { max-width: none; }
  .deck .sec { min-height: 0; display: block; page-break-inside: auto; }
}