:root {
  --tinta: #15161d;
  --tinta-2: #23252f;
  --papel: #faf8f4;
  --cartao: #ffffff;
  --linha: #e7e2d9;
  --texto: #1d1f27;
  --texto-suave: #6b6a72;
  --destaque: #c8792a;
  --destaque-escuro: #a05f1c;
  --destaque-claro: #fbeedd;
  --ok: #2e8b57;
  --ok-claro: #e3f3ea;
  --erro: #c0392b;
  --erro-claro: #fbe7e4;
  --aviso-claro: #fff4d6;
  --raio: 14px;
  --sombra: 0 1px 2px rgba(20, 20, 30, .05), 0 8px 24px rgba(20, 20, 30, .06);
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--sans); color: var(--texto); background: var(--papel); line-height: 1.55; }
img { max-width: 100%; display: block; }
a { color: var(--destaque-escuro); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }
.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.estreito { max-width: 560px; }
.suave { color: var(--texto-suave); }
.pequeno { font-size: .875rem; }

/* ---- topo ---- */
.topo { background: var(--tinta); color: #fff; position: sticky; top: 0; z-index: 10; }
.topo .container { display: flex; align-items: center; gap: 24px; min-height: 64px; flex-wrap: wrap; }
.marca { font-family: var(--serif); font-size: 1.55rem; font-weight: 700; color: #fff; text-decoration: none; letter-spacing: .01em; }
.marca span { color: var(--destaque); }
.nav { display: flex; gap: 6px; align-items: center; margin-left: auto; flex-wrap: wrap; }
.nav a, .nav button { color: #d9d8de; text-decoration: none; font: inherit; font-size: .93rem; padding: 8px 12px; border-radius: 8px; background: none; border: 0; cursor: pointer; }
.nav a:hover, .nav button:hover { background: var(--tinta-2); color: #fff; }
.nav form { margin: 0; }
.nav .btn { color: #fff; }
.aviso-simulado { background: var(--aviso-claro); color: #6b4d00; text-align: center; font-size: .85rem; padding: 6px 12px; }

main { padding: 36px 0 64px; min-height: 70vh; }
.rodape { border-top: 1px solid var(--linha); padding: 28px 0; color: var(--texto-suave); font-size: .875rem; }

/* ---- botoes ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; border-radius: 10px; border: 1px solid transparent; font: inherit; font-weight: 600; font-size: .95rem; cursor: pointer; text-decoration: none; background: var(--destaque); color: #fff; transition: background .15s; }
.btn:hover { background: var(--destaque-escuro); }
.btn-sec { background: var(--cartao); color: var(--texto); border-color: var(--linha); }
.btn-sec:hover { background: #f2eee7; }
.btn-perigo { background: var(--cartao); color: var(--erro); border-color: #efc9c3; }
.btn-perigo:hover { background: var(--erro-claro); }
.btn-grande { padding: 14px 26px; font-size: 1.05rem; }
.btn-bloco { width: 100%; }
.btn-peq { padding: 6px 12px; font-size: .85rem; }
.acoes { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* ---- mensagens ---- */
.mensagens { margin-bottom: 24px; display: grid; gap: 8px; }
.msg { padding: 12px 16px; border-radius: 10px; background: var(--cartao); border: 1px solid var(--linha); }
.msg.success { background: var(--ok-claro); border-color: #bfe3cc; }
.msg.error { background: var(--erro-claro); border-color: #efc9c3; }
.msg.info, .msg.warning { background: var(--aviso-claro); border-color: #f1dd9c; }

/* ---- cartoes ---- */
.cartao { background: var(--cartao); border: 1px solid var(--linha); border-radius: var(--raio); box-shadow: var(--sombra); padding: 24px; }
.grade { display: grid; gap: 24px; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }
.curso-card { background: var(--cartao); border: 1px solid var(--linha); border-radius: var(--raio); overflow: hidden; box-shadow: var(--sombra); display: flex; flex-direction: column; text-decoration: none; color: inherit; transition: transform .15s, box-shadow .15s; }
.curso-card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(20, 20, 30, .12); }
.capa { aspect-ratio: 16 / 9; background: linear-gradient(135deg, var(--tinta) 0%, #3a2c1e 100%); display: grid; place-items: center; color: var(--destaque); font-family: var(--serif); font-size: 2.6rem; overflow: hidden; }
.capa img { width: 100%; height: 100%; object-fit: cover; }
.curso-card .corpo { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.curso-card h3 { margin: 0; }
.curso-card .rodape-card { margin-top: auto; padding-top: 12px; display: flex; justify-content: space-between; align-items: baseline; }
.preco { font-weight: 700; font-size: 1.15rem; }
.preco small { font-weight: 400; color: var(--texto-suave); font-size: .8rem; }
.selo { display: inline-block; font-size: .75rem; font-weight: 600; padding: 3px 9px; border-radius: 999px; background: #efece6; color: var(--texto-suave); }
.selo.ok { background: var(--ok-claro); color: var(--ok); }
.selo.alerta { background: var(--aviso-claro); color: #8a6500; }
.selo.erro { background: var(--erro-claro); color: var(--erro); }
.selo.destaque { background: var(--destaque-claro); color: var(--destaque-escuro); }

/* ---- heroi ---- */
.heroi { padding: 12px 0 36px; }
.heroi p { font-size: 1.1rem; color: var(--texto-suave); max-width: 620px; }
.vazio { text-align: center; padding: 56px 24px; color: var(--texto-suave); }

/* ---- pagina do curso ---- */
.curso-topo { display: grid; grid-template-columns: 1.4fr 1fr; gap: 36px; align-items: start; }
.caixa-compra { position: sticky; top: 88px; }
.caixa-compra .preco { font-size: 2rem; font-family: var(--serif); }
.descricao { white-space: pre-line; }
.lista-aulas { list-style: none; margin: 0; padding: 0; border: 1px solid var(--linha); border-radius: var(--raio); background: var(--cartao); overflow: hidden; }
.lista-aulas li + li { border-top: 1px solid var(--linha); }
.lista-aulas a, .lista-aulas .item { display: flex; gap: 14px; align-items: center; padding: 14px 18px; color: inherit; text-decoration: none; }
.lista-aulas a:hover { background: #fbf8f3; }
.lista-aulas .num { width: 30px; height: 30px; border-radius: 50%; background: #f1ede6; display: grid; place-items: center; font-size: .82rem; font-weight: 600; flex: none; }
.lista-aulas .atual { background: var(--destaque-claro); }
.lista-aulas .atual .num { background: var(--destaque); color: #fff; }
.lista-aulas .titulo { flex: 1; min-width: 0; }
.lista-aulas .bloqueada { color: var(--texto-suave); }
.materiais { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.materiais a { display: flex; gap: 12px; align-items: center; padding: 12px 14px; border: 1px solid var(--linha); border-radius: 10px; text-decoration: none; color: inherit; background: var(--cartao); }
.materiais a:hover { border-color: var(--destaque); }
.ext { font-size: .7rem; font-weight: 700; background: var(--destaque-claro); color: var(--destaque-escuro); padding: 4px 6px; border-radius: 6px; min-width: 42px; text-align: center; }

/* ---- aula ---- */
.aula-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; align-items: start; }
.player { background: #000; border-radius: var(--raio); overflow: hidden; aspect-ratio: 16 / 9; }
.player video, .player iframe { width: 100%; height: 100%; border: 0; display: block; }
.navegacao-aula { display: flex; justify-content: space-between; gap: 12px; margin: 18px 0; flex-wrap: wrap; }
.migalha { font-size: .9rem; margin-bottom: 14px; }
.migalha a { text-decoration: none; }

/* ---- formularios ---- */
.form { display: grid; gap: 18px; }
.campo label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 6px; }
.campo input[type=text], .campo input[type=email], .campo input[type=password], .campo input[type=number], .campo input[type=url], .campo textarea, .campo select {
  width: 100%; padding: 11px 13px; border: 1px solid #d8d2c7; border-radius: 10px; font: inherit; background: #fff; color: var(--texto);
}
.campo input:focus, .campo textarea:focus, .campo select:focus { outline: 2px solid var(--destaque-claro); border-color: var(--destaque); }
.campo input[type=file] { font: inherit; font-size: .9rem; max-width: 100%; }
.campo .ajuda { font-size: .82rem; color: var(--texto-suave); margin-top: 5px; }
.campo .erros { color: var(--erro); font-size: .85rem; margin-top: 5px; }
.campo.check { display: flex; gap: 10px; align-items: flex-start; }
.campo.check label { margin: 0; }
.campo.check input { margin-top: 5px; width: 18px; height: 18px; accent-color: var(--destaque); }
.erros-gerais { background: var(--erro-claro); color: var(--erro); padding: 12px 14px; border-radius: 10px; }
.opcoes-pagamento { display: grid; gap: 10px; }
.opcoes-pagamento > div { display: contents; }
.opcoes-pagamento label { display: flex; gap: 12px; align-items: center; padding: 14px 16px; border: 1.5px solid var(--linha); border-radius: 12px; cursor: pointer; font-weight: 600; background: #fff; }
.opcoes-pagamento label:has(input:checked) { border-color: var(--destaque); background: var(--destaque-claro); }
.opcoes-pagamento input { accent-color: var(--destaque); width: 18px; height: 18px; }
.progresso-upload { display: none; margin-top: 8px; }
.progresso-upload.ativo { display: block; }
.barra { height: 8px; background: #eee7dc; border-radius: 99px; overflow: hidden; }
.barra div { height: 100%; width: 0; background: var(--destaque); transition: width .2s; }

/* ---- tabelas / painel ---- */
.tabela-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .93rem; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--linha); vertical-align: middle; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--texto-suave); font-weight: 600; }
.numeros { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 28px; }
.numero { background: var(--cartao); border: 1px solid var(--linha); border-radius: var(--raio); padding: 18px 20px; }
.numero strong { display: block; font-family: var(--serif); font-size: 1.9rem; }
.cabecalho { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.cabecalho h1 { margin: 0; }
.secao { margin-top: 36px; }
.secao-topo { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.secao-topo h2 { margin: 0; }
.inline { display: inline; margin: 0; }

/* ---- fatura ---- */
.pix-qr { width: 230px; height: 230px; margin: 12px auto; border: 1px solid var(--linha); border-radius: 12px; padding: 8px; background: #fff; }
.copia-cola { display: flex; gap: 8px; }
.copia-cola input { flex: 1; min-width: 0; padding: 10px; border: 1px solid var(--linha); border-radius: 8px; font-family: monospace; font-size: .8rem; }
.aguardando { display: flex; align-items: center; gap: 10px; justify-content: center; color: var(--texto-suave); font-size: .9rem; margin-top: 18px; }
.ponto { width: 9px; height: 9px; border-radius: 50%; background: var(--destaque); animation: pulso 1.2s infinite; }
@keyframes pulso { 50% { opacity: .25; } }

@media (max-width: 860px) {
  .curso-topo, .aula-layout { grid-template-columns: 1fr; }
  .caixa-compra { position: static; }
}
@media (max-width: 560px) {
  .container { padding: 0 16px; }
  main { padding-top: 24px; }
  .topo .container { gap: 8px; padding-top: 8px; padding-bottom: 8px; }
  .nav { margin-left: 0; width: 100%; }
  .cartao { padding: 18px; }
}