/* TakeCAP FT — Área de Aulas (Trilha do Raposo)

   TOKENS
   • OFICIAIS (lidos dos estilos computados de takecapft.com/pt): fundo, cabeçalho, azul do botão
     principal, verde de ação, fontes Sora / Red Hat Display, cor de texto da navegação.
   • OFICIAL DO PROJETO (TakeCAP_FT_Rebuild/styles.css): laranja da marca.
   • PROPOSTA (derivados, não são valores oficiais do site): superfície do menu, bordas,
     fundo de seleção, cor de foco e tons de texto secundário. */

:root {
  /* oficiais — site */
  --bg: #040a1c;
  --header: rgba(5, 11, 26, 0.96);
  --header-borda: rgba(143, 169, 255, 0.10);
  --azul-1: #3d69f5;
  --azul-2: #2a52dc;
  --verde: #5fd29b;
  --verde-texto: #05301d;
  --texto-nav: #d5dcec;
  --font-heading: 'Sora', 'Red Hat Display', system-ui, sans-serif;
  --font-body: 'Red Hat Display', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* oficial — projeto */
  --laranja: #ff6600;

  /* proposta */
  --superficie: #070f24;
  --borda: rgba(143, 169, 255, 0.14);
  --selecao-bg: rgba(61, 105, 245, 0.16);
  --foco: #8fa9ff;
  --branco: #ffffff;
  --texto: #e2e8f0;
  --texto-suave: #c4ceda;
  --muted: #8e9bad;

  --raio-sm: 8px;
  --raio-md: 12px;
  --raio-lg: 16px;
  --h-topo: 64px;

  /* aliases usados pelo login/cadastro */
  --orange: var(--laranja);
  --navy: var(--bg);
  --navy-dark: #050b1a;
  --white: var(--branco);
  --text: var(--texto);
  --text-soft: var(--texto-suave);
  --glass-bg: rgba(143, 169, 255, 0.05);
  --glass-border: var(--borda);
  --radius: var(--raio-lg);
}

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

[hidden] { display: none !important; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--texto);
  min-height: 100vh;
}

h1, h2, h3 { font-family: var(--font-heading); color: var(--branco); }

a { color: var(--foco); text-decoration: none; }

button { font-family: var(--font-body); cursor: pointer; }

:focus-visible { outline: 2px solid var(--foco); outline-offset: 2px; }

/* ---------- LOGIN / CADASTRO ----------
   Cenário: bg-login (sala de aula) com degradê azul-marinho mais forte à esquerda.
   Card sólido à esquerda, frase de boas-vindas no espaço livre acima do guaxinim. */

body.auth-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

/* Composição do cenário (desktop ≥ 1280px): o tamanho e a posição da imagem são CALCULADOS a partir de onde
   o bloco de texto termina, para a raposa ficar sempre à direita dele, qualquer que seja a proporção da janela.
   A raposa fica a ~80% da largura da imagem; o guaxinim a ~59% e começa a ~36% da altura.            */
body.auth-page {
  --pad: clamp(20px, 5vw, 64px);
  --shell: min(1240px, calc(100vw - 2 * var(--pad)));
  --esq: calc((100vw - var(--shell)) / 2);
  --gap: clamp(32px, 5vw, 72px);
  --topo: clamp(28px, 9vh, 96px);
  --bloco-w: 360px;
  --bloco-h: 440px;
  --texto-dir: calc(var(--esq) + 448px + var(--gap) + var(--bloco-w));
  --cena-w: min(calc(100vw * 1.35), calc((100vw - var(--texto-dir) - 28px) / 0.2), 2300px);
  --cena-h: calc(var(--cena-w) / 1.792);
  --cena-y: calc(var(--topo) + var(--bloco-h) + 14px - var(--cena-h) * 0.358);
}

.auth-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-color: var(--bg);
  background-repeat: no-repeat;
  background-image:
    linear-gradient(rgba(4, 10, 28, 0.16), rgba(4, 10, 28, 0.16)),
    linear-gradient(180deg, rgba(4, 10, 28, 0) 0, rgba(4, 10, 28, 0) 58%, rgba(4, 10, 28, 0.96) 100%),
    linear-gradient(90deg,
      rgba(4, 10, 28, 1) calc(100% - var(--cena-w)),
      rgba(4, 10, 28, 0.8) calc(100% - var(--cena-w) * 0.8),
      rgba(4, 10, 28, 0.45) calc(100% - var(--cena-w) * 0.55),
      rgba(4, 10, 28, 0.12) calc(100% - var(--cena-w) * 0.35),
      rgba(4, 10, 28, 0) 100%),
    linear-gradient(180deg, rgba(4, 10, 28, 0) calc(var(--cena-y) + var(--cena-h) - 280px), rgba(4, 10, 28, 1) calc(var(--cena-y) + var(--cena-h) - 24px)),
    linear-gradient(180deg, rgba(4, 10, 28, 1) 0, rgba(4, 10, 28, 1) var(--cena-y), rgba(4, 10, 28, 0) calc(var(--cena-y) + 200px)),
    url("../assets/bg-login.jpg");
  background-image:
    linear-gradient(rgba(4, 10, 28, 0.16), rgba(4, 10, 28, 0.16)),
    linear-gradient(180deg, rgba(4, 10, 28, 0) 0, rgba(4, 10, 28, 0) 58%, rgba(4, 10, 28, 0.96) 100%),
    linear-gradient(90deg,
      rgba(4, 10, 28, 1) calc(100% - var(--cena-w)),
      rgba(4, 10, 28, 0.8) calc(100% - var(--cena-w) * 0.8),
      rgba(4, 10, 28, 0.45) calc(100% - var(--cena-w) * 0.55),
      rgba(4, 10, 28, 0.12) calc(100% - var(--cena-w) * 0.35),
      rgba(4, 10, 28, 0) 100%),
    linear-gradient(180deg, rgba(4, 10, 28, 0) calc(var(--cena-y) + var(--cena-h) - 280px), rgba(4, 10, 28, 1) calc(var(--cena-y) + var(--cena-h) - 24px)),
    linear-gradient(180deg, rgba(4, 10, 28, 1) 0, rgba(4, 10, 28, 1) var(--cena-y), rgba(4, 10, 28, 0) calc(var(--cena-y) + 200px)),
    image-set(url("../assets/bg-login.webp") type("image/webp"), url("../assets/bg-login.jpg") type("image/jpeg"));
  background-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 100%, var(--cena-w) auto;
  background-position: 0 0, 0 0, 0 0, 0 0, 0 0, right 0 top var(--cena-y);
}

.auth-main {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  align-items: flex-start;
  padding: var(--topo) var(--pad) 40px;
}

.auth-shell {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 448px) minmax(0, 1fr);
  column-gap: var(--gap);
  align-items: start;
}

.auth-card {
  background: var(--superficie);
  border: 1px solid rgba(143, 169, 255, 0.18);
  border-radius: var(--raio-lg);
  padding: 32px 32px 30px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.5), 0 4px 14px rgba(0, 0, 0, 0.3);
}

.auth-logo { display: block; height: 30px; width: auto; margin-bottom: 22px; }

.auth-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-family: var(--font-heading);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--laranja);
}
.auth-eyebrow::before { content: ''; width: 22px; height: 2px; border-radius: 2px; background: var(--laranja); }

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--borda);
  border-radius: 12px;
}
.auth-tab {
  height: 42px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--texto-suave);
  font-size: 0.95rem;
  font-weight: 700;
  transition: background 0.15s, color 0.15s;
}
.auth-tab:hover { color: var(--branco); background: rgba(255, 255, 255, 0.05); }
.auth-tab[aria-selected="true"] {
  color: var(--branco);
  background: rgba(61, 105, 245, 0.22);
  box-shadow: inset 0 0 0 1px rgba(143, 169, 255, 0.4);
}

.auth-card h1 { font-size: 1.55rem; font-weight: 700; line-height: 1.2; margin-bottom: 6px; }
.auth-desc { color: var(--texto-suave); font-size: 0.95rem; line-height: 1.5; margin-bottom: 22px; }

.auth-copy { align-self: start; width: 100%; max-width: var(--bloco-w); }

/* título + subtítulo: brilho azul-marinho localizado atrás, para ler sobre a parede da sala */
.auth-intro { position: relative; }
.auth-intro::before {
  content: '';
  position: absolute;
  inset: -26px -40px -22px -34px;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(ellipse closest-side at 45% 50%, rgba(4, 10, 28, 0.66) 0%, rgba(4, 10, 28, 0.42) 58%, rgba(4, 10, 28, 0) 100%);
}
.auth-frase {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2rem, 2.5vw, 2.5rem);
  line-height: 1.12;
  color: var(--branco);
  text-shadow: 0 2px 22px rgba(4, 10, 28, 0.75);
}
.auth-frase em { font-style: normal; color: var(--laranja); }
.auth-frase-sub {
  margin-top: 14px;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--texto-suave);
  text-shadow: 0 1px 14px rgba(4, 10, 28, 0.85);
}

/* painel "O que você vai aprender": 4 etapas ligadas por uma linha */
.auth-trilha {
  margin-top: 26px;
  padding: 18px 20px 20px;
  background: rgba(7, 15, 36, 0.92);
  border: 1px solid rgba(143, 169, 255, 0.18);
  border-radius: var(--raio-lg);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.4);
}
.auth-trilha-titulo {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--laranja);
}
.auth-etapas { list-style: none; margin: 0; padding: 0; }
.auth-etapas li {
  position: relative;
  display: grid;
  grid-template-columns: 30px 1fr;
  column-gap: 12px;
  padding-bottom: 16px;
}
.auth-etapas li:last-child { padding-bottom: 0; }
.auth-etapas li::after {
  content: '';
  position: absolute;
  left: 14px; top: 34px; bottom: 3px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(rgba(255, 102, 0, 0.55), rgba(255, 102, 0, 0.14));
}
.auth-etapas li:last-child::after { display: none; }
.etapa-n {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1.5px solid var(--laranja);
  background: rgba(255, 102, 0, 0.12);
  color: var(--laranja);
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
}
.etapa-txt strong {
  display: block;
  color: var(--branco);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
}
.etapa-txt span {
  display: block;
  margin-top: 2px;
  color: #b9c4d6;
  font-size: 0.86rem;
  line-height: 1.4;
}

.auth-confirmacao { text-align: center; padding: 10px 0 4px; }
.auth-confirmacao-icone { font-size: 3.2rem; line-height: 1; margin-bottom: 14px; }
.auth-confirmacao h2 { font-size: 1.4rem; margin-bottom: 10px; outline: none; }
.auth-confirmacao .auth-desc { margin-bottom: 18px; }
.auth-confirmacao b { color: var(--branco); font-size: 1.05rem; word-break: break-all; }
.auth-confirmacao .consentimento { text-align: center; margin: 0 0 20px; }

/* campos */
.campo-erro { margin-top: 6px; font-size: 0.84rem; line-height: 1.4; color: #fca5a5; }
.campo input[aria-invalid="true"] { border-color: #f87171; }
.campo input[aria-invalid="true"]:focus { box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.28); }

.campo-senha { position: relative; }
.campo-senha input { padding-right: 52px; }
.ver-senha {
  position: absolute;
  top: 50%; right: 5px;
  transform: translateY(-50%);
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 0; border-radius: 8px;
  background: transparent;
  color: var(--muted);
}
.ver-senha:hover { color: var(--branco); background: rgba(255, 255, 255, 0.06); }

/* botões */
.btn { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; }
.btn:disabled { cursor: progress; opacity: 0.85; filter: none; }
.btn.carregando .rotulo::before {
  content: '';
  display: inline-block;
  width: 15px; height: 15px;
  margin-right: 10px;
  vertical-align: -2px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: girar 0.7s linear infinite;
}
@keyframes girar { to { transform: rotate(360deg); } }

.btn-google {
  background: rgba(255, 255, 255, 0.05);
  color: var(--branco);
  border-color: rgba(255, 255, 255, 0.26);
}
.btn-google:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.5); }
.icone-google { width: 20px; height: 20px; flex: none; }

.consentimento { font-size: 0.78rem; color: var(--muted); line-height: 1.5; margin-top: 14px; }

/* recuperar senha, reenvio e pedido de WhatsApp */
.campo-linha { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.campo-linha label { margin-bottom: 0; }
.link-esqueci {
  background: none; border: 0; padding: 4px 0;
  color: var(--foco); font-size: 0.84rem; font-weight: 600;
  text-decoration: underline; text-underline-offset: 3px;
}
.link-esqueci:hover { color: var(--branco); }
.btn-reenviar { margin: -4px 0 16px; min-height: 44px; }
.auth-titulo-2 { font-size: 1.4rem; margin-bottom: 6px; outline: none; }
.btn-link-bloco { text-decoration: none; margin-top: 12px; }
.auth-confirmacao .auth-desc { margin-bottom: 14px; }
.auth-confirmacao .msg { text-align: left; }

.auth-gate {
  position: fixed; inset: 0; z-index: 80;
  display: flex; align-items: center; justify-content: center;
  padding: 20px; overflow-y: auto;
  background: rgba(4, 10, 28, 0.92);
}
.auth-gate[hidden] { display: none; }
.gate-card { width: 100%; max-width: 440px; }
.gate-card h2 { font-size: 1.45rem; margin-bottom: 6px; outline: none; }
.gate-card .btn-link {
  display: block; margin: 16px auto 0;
  background: none; border: 0; color: var(--muted);
  font-size: 0.85rem; text-decoration: underline; text-underline-offset: 3px;
}
.gate-card .btn-link:hover { color: var(--branco); }

.rodape-legal {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  padding: 18px 24px 30px;
  text-align: center;
  color: #b2bccb;
  font-size: 0.8rem;
  line-height: 1.55;
}

@media (max-width: 1179px) {
  .auth-main { padding-top: 40px; }
  .auth-shell { grid-template-columns: minmax(0, 448px); justify-content: center; }
  .auth-copy { max-width: 448px; margin-top: 30px; }
  .auth-intro::before { display: none; }
  .auth-bg {
    position: absolute;
    bottom: auto;
    height: 380px;
    background-image:
      linear-gradient(180deg, rgba(4, 10, 28, 0.3) 0%, rgba(4, 10, 28, 0.62) 45%, var(--bg) 100%),
      image-set(url("../assets/bg-login-m.webp") type("image/webp"), url("../assets/bg-login-m.jpg") type("image/jpeg"));
    background-size: 100% 100%, cover;
    background-position: 0 0, 84% 0;
  }
}

@media (max-width: 600px) {
  .auth-main { padding: 108px 16px 12px; }
  .auth-card { padding: 24px 20px 22px; }
  .auth-logo { height: 26px; margin-bottom: 18px; }
  .auth-card h1 { font-size: 1.4rem; }
  .auth-frase { font-size: 1.7rem; }
  .auth-trilha { padding: 16px 16px 18px; }
  .auth-bg { height: 330px; background-position: 0 0, 88% 0; }
  .rodape-legal { padding: 12px 20px 24px; }
}


.campo { margin-bottom: 16px; }

.campo label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--texto-suave);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.campo input {
  width: 100%;
  padding: 13px 16px;
  min-height: 48px;
  border-radius: 10px;
  border: 1px solid rgba(143, 169, 255, 0.24);
  background: rgba(255, 255, 255, 0.05);
  color: var(--branco);
  font-size: 1rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.campo input:focus { border-color: var(--azul-1); box-shadow: 0 0 0 3px rgba(61, 105, 245, 0.25); }

.campo input::placeholder { color: #7d8ba0; }

.btn {
  width: 100%;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  border: 1px solid transparent;
  transition: background 0.2s, border-color 0.2s, filter 0.2s, transform 0.1s;
}

.btn:active { transform: scale(0.985); }

.btn-primario,
.btn-azul {
  background: linear-gradient(180deg, var(--azul-1), var(--azul-2));
  color: var(--branco);
}
.btn-primario:hover,
.btn-azul:hover { filter: brightness(1.1); }

.btn-contorno,
.btn-secundario {
  background: transparent;
  color: var(--branco);
  border-color: rgba(255, 255, 255, 0.32);
}
.btn-contorno:hover,
.btn-secundario:hover { background: rgba(255, 255, 255, 0.06); border-color: var(--branco); }

.divisor {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.8rem;
  margin: 18px 0;
}
.divisor::before, .divisor::after { content: ''; flex: 1; height: 1px; background: var(--borda); }

.msg { border-radius: 10px; padding: 12px 14px; font-size: 0.9rem; margin-bottom: 16px; display: none; }
.msg.erro { display: block; background: rgba(239, 68, 68, 0.12); border: 1px solid rgba(239, 68, 68, 0.4); color: #fca5a5; }
.msg.ok { display: block; background: rgba(95, 210, 155, 0.10); border: 1px solid rgba(95, 210, 155, 0.35); color: var(--verde); }


/* ---------- CABEÇALHO ---------- */

.topo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--h-topo);
  padding: 0 24px;
  background: var(--header);
  border-bottom: 1px solid var(--header-borda);
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.topo .logo { height: 28px; }
.topo .marca { display: flex; align-items: center; gap: 14px; }
.topo .marca span {
  font-family: var(--font-heading);
  font-weight: 600; font-size: 0.9rem; color: var(--texto-nav);
  border-left: 1px solid var(--borda);
  padding-left: 14px;
}

.topo .usuario { display: flex; align-items: center; gap: 12px; }
#email-usuario { font-size: 0.82rem; color: var(--muted); }

.btn-sair {
  background: none;
  border: 1px solid var(--borda);
  color: var(--texto-nav);
  border-radius: var(--raio-sm);
  padding: 7px 14px;
  font-size: 0.82rem; font-weight: 600;
  transition: background 0.15s, color 0.15s;
}
.btn-sair:hover { background: rgba(143, 169, 255, 0.08); color: var(--branco); }

.btn-menu-mobile { display: none; }

/* ---------- MENU DE AULAS ---------- */

.layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: calc(100vh - var(--h-topo));
  background: var(--bg);
}

.menu-aulas {
  position: sticky;
  top: var(--h-topo);
  align-self: start;
  height: calc(100vh - var(--h-topo));
  overflow-y: auto;
  padding: 24px 14px 32px;
  background: var(--superficie);
  border-right: 1px solid var(--borda);
}

.progresso-box { margin-bottom: 18px; padding: 0 10px; }
.progresso-box .texto {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 0.78rem; color: var(--muted); margin-bottom: 9px;
}
.progresso-box .texto span:last-child { color: var(--texto-suave); font-weight: 600; }
.barra { height: 6px; border-radius: 99px; background: rgba(255, 255, 255, 0.08); overflow: hidden; }
.barra > div {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--azul-1), var(--azul-2));
  border-radius: 99px;
  transition: width 0.4s;
}

.modulo { padding: 16px 0 8px; border-top: 1px solid var(--borda); }

.modulo-titulo {
  display: flex; flex-direction: column; gap: 3px;
  margin: 0 10px 10px;
}
.modulo-rotulo {
  font-family: var(--font-body);
  font-size: 0.68rem; font-weight: 800;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--laranja);
}
.modulo-nome {
  font-family: var(--font-heading);
  font-size: 0.86rem; font-weight: 600; line-height: 1.35;
  color: var(--branco);
}

.modulo-aulas { list-style: none; display: flex; flex-direction: column; gap: 2px; }

.item-aula {
  position: relative;
  width: 100%;
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 11px;
  align-items: start;
  background: none; border: none;
  color: var(--texto-suave);
  font-size: 0.88rem; line-height: 1.4;
  padding: 9px 10px 9px 14px;
  border-radius: var(--raio-sm);
  text-align: left;
  transition: background 0.15s, color 0.15s;
}
.item-aula:hover { background: rgba(143, 169, 255, 0.07); color: var(--branco); }

/* seleção (azul) */
.item-aula.selecionada { background: var(--selecao-bg); color: var(--branco); font-weight: 700; }
.item-aula.selecionada::before {
  content: '';
  position: absolute; left: 0; top: 8px; bottom: 8px;
  width: 3px; border-radius: 0 3px 3px 0;
  background: var(--azul-1);
}

/* conclusão (verde) — independente da seleção */
.marca-estado {
  position: relative;
  width: 18px; height: 18px;
  margin-top: 1px;
  border-radius: 50%;
  border: 1.5px solid rgba(143, 169, 255, 0.38);
}
.item-aula.concluida .marca-estado { background: var(--verde); border-color: var(--verde); }
.item-aula.concluida .marca-estado::after {
  content: '';
  position: absolute; left: 5px; top: 1.5px;
  width: 5px; height: 9px;
  border: solid var(--verde-texto);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* ---------- ÁREA PRINCIPAL — sala de aula do Raposo como cenário ---------- */

.conteudo {
  --coluna: min(1000px, calc(100% - 230px));
  position: relative;
  padding: 36px 40px 72px;
  overflow: hidden;
}

/* Ilustração na proporção original (2000×1116), ancorada à direita; a sobra à esquerda é cortada. */
.conteudo::before,
.conteudo::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: max(1100px, 112%);
  aspect-ratio: 2000 / 1116;
  pointer-events: none;
  z-index: 0;
}

.conteudo::before { background: url('../assets/bg-sala.jpg') center / 100% 100% no-repeat; }

/* Overlay: navy denso atrás do conteúdo, transparente onde a raposa aparece; dissolve em sólido na base. */
.conteudo::after {
  background:
    linear-gradient(180deg, rgba(4, 10, 28, 0) 0%, rgba(4, 10, 28, 0.10) 50%, rgba(4, 10, 28, 0.55) 72%, rgba(4, 10, 28, 0.92) 90%, rgb(4, 10, 28) 100%),
    linear-gradient(90deg, rgba(4, 10, 28, 0.97) 0%, rgba(4, 10, 28, 0.92) 55%, rgba(4, 10, 28, 0.60) 74%, rgba(4, 10, 28, 0.22) 86%, rgba(4, 10, 28, 0.08) 100%);
}

.conteudo > * { position: relative; z-index: 1; }

/* Player */
.video-wrapper {
  width: 100%;
  max-width: var(--coluna);
  aspect-ratio: 16 / 9;
  background: #02050e;
  border: 1px solid rgba(143, 169, 255, 0.18);
  border-radius: var(--raio-lg);
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 26px;
  position: relative;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.45);
}
.video-wrapper > * { width: 100%; height: 100%; }

.video-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  color: var(--muted); text-align: center; padding: 24px;
}
.video-placeholder img { width: 72px; height: auto; opacity: 0.8; }
.video-placeholder p { font-size: 0.95rem; max-width: 420px; }

/* Conteúdo da aula */
.etiqueta {
  display: inline-block;
  color: var(--laranja);
  font-size: 0.76rem; font-weight: 800;
  letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 8px;
}

.conteudo h2 {
  font-size: clamp(1.45rem, 1.1rem + 1vw, 1.9rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.conteudo .descricao {
  color: var(--texto-suave);
  font-size: 1.02rem;
  line-height: 1.7;
  max-width: 64ch;
}

.linha-conteudo {
  display: flex;
  align-items: center;
  gap: 56px;
  max-width: var(--coluna);
}

.coluna-texto { flex: 1; min-width: 0; max-width: 760px; }
.linha-conteudo:has(.cta-demo) { align-items: flex-start; }

/* Ação de planos — verde de ação do site */
.btn-cta-planos {
  display: inline-block;
  background: var(--verde);
  color: var(--verde-texto);
  font-weight: 800;
  font-size: 1rem;
  padding: 14px 26px;
  border-radius: var(--raio-md);
  text-decoration: none;
  white-space: nowrap;
  transition: filter 0.15s, transform 0.1s;
}
.btn-cta-planos:hover { filter: brightness(0.94); color: var(--verde-texto); }
.btn-cta-planos:active { transform: scale(0.98); }

/* Cartão "conta demo" (aula 2.1): passo a passo curto + botão de cadastro na TradeLocker */
.cta-demo {
  width: 340px;
  max-width: 100%;
  padding: 20px 20px 18px;
  background: rgba(7, 15, 36, 0.92);
  border: 1px solid rgba(143, 169, 255, 0.2);
  border-radius: var(--raio-lg);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.4);
}
.cta-demo-selo {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 10px;
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--laranja);
  background: rgba(255, 102, 0, 0.12);
  border: 1px solid rgba(255, 102, 0, 0.4);
  border-radius: 99px;
}
.cta-demo h3 { font-size: 1.12rem; line-height: 1.3; margin-bottom: 14px; }
.cta-demo-passos { list-style: none; margin: 0 0 18px; padding: 0; counter-reset: passo; display: grid; gap: 10px; }
.cta-demo-passos li {
  position: relative;
  counter-increment: passo;
  padding-left: 32px;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--texto-suave);
}
.cta-demo-passos li::before {
  content: counter(passo);
  position: absolute;
  left: 0; top: 0;
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(61, 105, 245, 0.2);
  border: 1px solid rgba(143, 169, 255, 0.45);
  color: var(--branco);
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
}
.btn-cta-demo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 20px;
  background: linear-gradient(180deg, var(--azul-1), var(--azul-2));
  color: var(--branco);
  font-weight: 800;
  font-size: 1rem;
  border-radius: var(--raio-md);
  text-decoration: none;
  box-shadow: 0 8px 22px rgba(61, 105, 245, 0.35);
  transition: filter 0.15s, transform 0.1s, box-shadow 0.15s;
}
.btn-cta-demo:hover { filter: brightness(1.1); color: var(--branco); box-shadow: 0 10px 26px rgba(61, 105, 245, 0.5); }
.btn-cta-demo:active { transform: scale(0.98); }
.cta-demo-nota { margin-top: 12px; font-size: 0.8rem; line-height: 1.4; color: var(--muted); text-align: center; }

/* Navegação e conclusão */
.navegacao {
  display: flex; align-items: center; gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
  max-width: var(--coluna);
}
.navegacao .btn { width: auto; padding: 12px 22px; font-size: 0.95rem; border-radius: var(--raio-md); }

.status-concluida {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px;
  border-radius: var(--raio-md);
  border: 1px solid rgba(95, 210, 155, 0.38);
  background: rgba(95, 210, 155, 0.10);
  color: var(--verde);
  font-size: 0.95rem; font-weight: 700;
}

.btn-link {
  background: none; border: none;
  color: var(--muted);
  font-size: 0.85rem; text-decoration: underline;
  padding: 6px 4px;
  border-radius: 6px;
}
.btn-link:hover { color: var(--branco); }

.disclaimer {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--borda);
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.55;
  max-width: min(760px, var(--coluna));
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ---------- RESPONSIVO ---------- */

/* Intermediário: sem espaço lateral sobrando — vídeo ocupa a coluna e a raposa vira cenário mais discreto */
@media (max-width: 1180px) {
  .conteudo { --coluna: 100%; }
  .conteudo::after {
    background:
      linear-gradient(180deg, rgba(4, 10, 28, 0.25) 0%, rgba(4, 10, 28, 0.55) 55%, rgba(4, 10, 28, 0.93) 88%, rgb(4, 10, 28) 100%),
      linear-gradient(90deg, rgba(4, 10, 28, 0.95) 0%, rgba(4, 10, 28, 0.80) 60%, rgba(4, 10, 28, 0.45) 100%);
  }
}

/* Celular e tablet em pé: menu vira painel aberto pelo botão "Aulas" */
@media (max-width: 920px) {
  .layout { grid-template-columns: 1fr; }
  .linha-conteudo { flex-direction: column; align-items: flex-start; gap: 0; }
  #cta-area { margin-top: 24px; }

  .menu-aulas {
    display: none;
    position: fixed;
    top: var(--h-topo); left: 0; right: 0;
    height: auto;
    max-height: calc(100vh - var(--h-topo));
    z-index: 30;
    border-right: none;
    border-bottom: 1px solid var(--borda);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
  }
  .layout.menu-aberto .menu-aulas { display: block; }

  .btn-menu-mobile {
    display: inline-flex; align-items: center; gap: 6px;
    background: none; border: 1px solid var(--borda);
    color: var(--texto-nav); border-radius: var(--raio-sm);
    padding: 7px 12px; font-size: 0.82rem; font-weight: 600;
  }
  .btn-menu-mobile[aria-expanded="true"] { border-color: var(--azul-1); color: var(--branco); background: var(--selecao-bg); }

  .conteudo { padding: 24px 20px 48px; }
  .topo .marca span { display: none; }

  /* Celular: recorte maior e overlay mais forte, priorizando vídeo e leitura */
  .conteudo::before,
  .conteudo::after { width: 900px; right: -40px; }
  .conteudo::after {
    background: linear-gradient(180deg, rgba(4, 10, 28, 0.70) 0%, rgba(4, 10, 28, 0.86) 45%, rgb(4, 10, 28) 100%);
  }
}

/* Tablet em pé: mais cenário que no celular, ainda com texto protegido */
@media (min-width: 600px) and (max-width: 920px) {
  .conteudo::before,
  .conteudo::after { width: 1200px; right: -90px; }
  .conteudo::after {
    background:
      linear-gradient(180deg, rgba(4, 10, 28, 0.30) 0%, rgba(4, 10, 28, 0.62) 50%, rgba(4, 10, 28, 0.94) 85%, rgb(4, 10, 28) 100%),
      linear-gradient(90deg, rgba(4, 10, 28, 0.78) 0%, rgba(4, 10, 28, 0.45) 100%);
  }
}

@media (max-width: 600px) {
  :root { --h-topo: 56px; }
  .topo { padding: 0 14px; gap: 8px; }
  .topo .logo { height: 24px; }
  .topo .usuario { gap: 8px; }
  #email-usuario { display: none; }

  /* Conclusão em cima; anterior/próxima lado a lado embaixo */
  .navegacao { gap: 10px; }
  #btn-concluir { order: 1; flex: 1 1 100%; }
  .status-concluida { order: 1; flex: 1 1 auto; justify-content: center; }
  #btn-desfazer { order: 2; }
  #btn-anterior { order: 3; flex: 1 1 calc(50% - 5px); }
  #btn-proxima { order: 4; flex: 1 1 calc(50% - 5px); }
}