/* Estilo neutro e limpo. O designer da landing substitui as variáveis e o
   resto do visual; as classes ck-* são do componente de checkout. */
:root {
  --fundo: #f6f6f7;
  --cartao: #ffffff;
  --texto: #18181b;
  --texto-suave: #52525b;
  --borda: #e4e4e7;
  --destaque: #18181b;
  --destaque-texto: #ffffff;
  --sucesso: #15803d;
  --erro: #b91c1c;
  --bump: #fffbeb;
  --bump-borda: #f59e0b;
  --raio: 12px;
  --fonte: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--fundo); color: var(--texto); font-family: var(--fonte); font-size: 16px; line-height: 1.5; }
a { color: inherit; }
h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 .75rem; }
h2 { font-size: 1.15rem; margin: 0 0 .75rem; }
[hidden] { display: none !important; }

.topo { padding: 16px; text-align: center; font-weight: 700; letter-spacing: .02em; }
.conteudo { max-width: 640px; margin: 0 auto; padding: 0 16px 48px; }
.rodape { text-align: center; font-size: .85rem; color: var(--texto-suave); padding: 24px 16px 40px; }
.rodape a { color: var(--texto-suave); }

.cartao { background: var(--cartao); border: 1px solid var(--borda); border-radius: var(--raio); padding: 24px 20px; }
.cartao.estreito { max-width: 440px; margin: 0 auto; }
.cartao + .cartao { margin-top: 16px; }
.discreto { color: var(--texto-suave); font-size: .9rem; }
.aviso { background: #fef2f2; color: var(--erro); padding: 10px 12px; border-radius: 8px; }
.selo { display: inline-block; background: #ecfdf5; color: var(--sucesso); font-weight: 600; font-size: .85rem; padding: 4px 10px; border-radius: 999px; margin: 0 0 12px; }

.botao { display: inline-block; appearance: none; border: 0; background: var(--destaque); color: var(--destaque-texto); font: inherit; font-weight: 700; padding: 13px 20px; border-radius: 10px; cursor: pointer; text-decoration: none; text-align: center; }
.botao:hover { filter: brightness(1.15); }
.botao:disabled { opacity: .6; cursor: wait; }
.botao-grande { width: 100%; padding: 16px 20px; font-size: 1.05rem; }
.botao-secundario { background: var(--cartao); color: var(--texto); border: 1px solid var(--texto); }
.link { appearance: none; background: none; border: 0; padding: 4px 0; font: inherit; color: var(--texto-suave); text-decoration: underline; cursor: pointer; }

.formulario label, .ck-campo label { display: block; font-weight: 600; font-size: .95rem; margin: 12px 0 6px; }
input[type="text"], input[type="email"], input[type="tel"], input:not([type]), .formulario input { width: 100%; font: inherit; padding: 12px; border: 1px solid var(--borda); border-radius: 8px; background: #fff; }
input[aria-invalid] { border-color: var(--erro); }
.formulario .botao { margin-top: 16px; width: 100%; }

/* ---------- checkout ---------- */
.ck { display: grid; gap: 16px; }
.ck-bloco { background: var(--cartao); border: 1px solid var(--borda); border-radius: var(--raio); padding: 20px; }
.ck-carregando { color: var(--texto-suave); text-align: center; padding: 24px 0; }
.ck-linha { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.ck-bumps { display: grid; gap: 10px; margin: 14px 0; }
.ck-bump { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: start; padding: 12px; border: 2px dashed var(--bump-borda); background: var(--bump); border-radius: 10px; cursor: pointer; }
.ck-bump.marcado { border-style: solid; }
.ck-bump input { width: 20px; height: 20px; margin: 2px 0 0; }
.ck-bump-texto { display: grid; gap: 2px; }
.ck-bump-texto span { color: var(--texto-suave); font-size: .9rem; }
.ck-bump-preco { font-weight: 700; white-space: nowrap; }
.ck-total { display: flex; justify-content: space-between; align-items: baseline; border-top: 1px solid var(--borda); padding-top: 12px; margin-top: 12px; font-size: 1.1rem; }
.ck-total-valor { font-size: 1.4rem; }
.ck-parcelas { margin: 4px 0 0; text-align: right; color: var(--texto-suave); font-size: .9rem; }
.ck-campo small { display: block; color: var(--texto-suave); font-size: .82rem; margin-top: 4px; }
.ck-erro { display: block; color: var(--erro); font-size: .85rem; min-height: 1em; margin-top: 4px; }
.ck-lgpd { font-size: .85rem; color: var(--texto-suave); margin: 16px 0; }
.ck-msg { color: var(--erro); font-weight: 600; min-height: 1em; margin: 12px 0 0; }
.ck-msg:empty { display: none; }
.ck-resumo-dados { margin: 0; color: var(--texto-suave); font-size: .9rem; overflow-wrap: anywhere; }
.ck-brick { margin-top: 12px; min-height: 120px; }
.ck-salvar-cartao { display: flex; gap: 8px; align-items: flex-start; font-size: .85rem; color: var(--texto-suave); margin-top: 12px; }
.ck-selo { font-size: .8rem; color: var(--texto-suave); text-align: center; margin: 14px 0 0; }

.ck-pix { text-align: center; }
.ck-pix-valor { font-size: 1.6rem; font-weight: 800; margin: 0 0 12px; }
.ck-qr { display: block; margin: 0 auto 12px; width: 220px; height: 220px; image-rendering: pixelated; border: 1px solid var(--borda); border-radius: 8px; }
.ck-passos { text-align: left; color: var(--texto-suave); font-size: .92rem; padding-left: 20px; }
.ck-copiacola { width: 100%; font: 13px/1.4 ui-monospace, Menlo, monospace; padding: 10px; border: 1px solid var(--borda); border-radius: 8px; resize: none; margin-bottom: 10px; background: #fafafa; }
.ck-pix .botao { width: 100%; }
.ck-tempo { color: var(--texto-suave); }
.ck-aguardando { display: flex; gap: 8px; align-items: center; justify-content: center; color: var(--texto-suave); font-size: .92rem; }
.ck-girando { width: 14px; height: 14px; border: 2px solid var(--borda); border-top-color: var(--destaque); border-radius: 50%; animation: ck-gira 1s linear infinite; }
@keyframes ck-gira { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .ck-girando { animation: none; } }
.ck-expirado { background: #fef2f2; border-radius: 8px; padding: 12px; margin-top: 12px; }

/* ---------- oferta e área do aluno ---------- */
.oferta h2 { font-size: 1.3rem; }
.preco { font-size: 1.5rem; font-weight: 800; }
.acoes { display: grid; gap: 8px; margin: 18px 0; }
.ck-opcoes { display: grid; gap: 10px; margin: 12px 0; }
.ck-oferta-total { font-size: 1.1rem; }
.cartao.largo { max-width: 860px; margin: 0 auto; }
.pagina-aluno .conteudo { max-width: 900px; }
.cabecalho-aluno { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.item { border-top: 1px solid var(--borda); padding: 18px 0; }
.item video { width: 100%; border-radius: 10px; background: #000; aspect-ratio: 16 / 9; }

.texto-legal { line-height: 1.65; }
.texto-legal h2 { margin-top: 1.6rem; }

@media (min-width: 720px) {
  .acoes, .ck-opcoes { grid-template-columns: 1fr 1fr; }
}

/* ---------- revisão de segurança: avisos e estados ---------- */
.ck-garantia { margin: 8px 0 0; text-align: right; color: var(--sucesso); font-size: .85rem; }
.ck-termos { font-size: .82rem; color: var(--texto-suave); margin: 14px 0 0; }
.ck-turnstile:empty { display: none; }
.ck-turnstile { margin: 12px 0; }
.ck-sugestao { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline; font-size: .88rem; background: var(--bump); border-radius: 8px; padding: 8px 10px; margin-top: 6px; }
.ck-analise { text-align: center; }
.ck-cookies { position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 50; max-width: 560px; margin: 0 auto; background: var(--cartao); color: var(--texto); border: 1px solid var(--borda); border-radius: var(--raio); box-shadow: 0 8px 30px rgba(0, 0, 0, .12); padding: 14px 16px; font-size: .9rem; }
.ck-cookies p { margin: 0 0 10px; }
.ck-cookies-acoes { display: flex; flex-wrap: wrap; gap: 8px; }
.ck-cookies-acoes .botao { padding: 10px 16px; }
.rodape p { margin: 4px 0; }

/* Última chance do checkout (janela por cima) */
.ck-uc-fundo { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 16px; background: rgba(3, 5, 10, .72); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); animation: ck-uc-entra .2s ease-out; }
.ck-uc { width: min(440px, 100%); display: grid; gap: 10px; padding: 26px 22px 18px; border-radius: 20px; text-align: center; color: #F2F4F8; background: #11161F; border: 1px solid rgba(255, 122, 0, .55); box-shadow: 0 30px 90px rgba(0, 0, 0, .6), 0 0 60px rgba(255, 106, 0, .18); animation: ck-uc-sobe .28s cubic-bezier(.2, .8, .2, 1); }
.ck-uc-chip { justify-self: center; margin: 0; padding: 5px 12px; border-radius: 99px; background: linear-gradient(90deg, #FF4D00, #FF7A00); color: #fff; font-weight: 800; font-size: 12px; letter-spacing: .05em; text-transform: uppercase; }
.ck-uc h2 { margin: 4px 0 0; font-size: 22px; line-height: 1.2; letter-spacing: -.02em; }
.ck-uc-de { margin: 0; font-size: 15px; color: #A9B0BF; }
.ck-uc-de s { color: #7E8696; }
.ck-uc-de strong { color: #FFB27A; font-size: 18px; }
.ck-uc-desc { margin: 0 0 6px; font-size: 14px; line-height: 1.5; color: #A9B0BF; }
.ck-uc .botao { width: 100%; min-height: 52px; }
.ck-uc-nao { justify-self: center; margin-top: 2px; padding: 8px; background: none; border: 0; color: #A9B0BF; font-size: 14px; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
@keyframes ck-uc-entra { from { opacity: 0; } }
@keyframes ck-uc-sobe { from { opacity: 0; transform: translateY(24px) scale(.97); filter: blur(4px); } }
@media (prefers-reduced-motion: reduce) { .ck-uc-fundo, .ck-uc { animation: none; } }
.ck-uc .botao { display: inline-flex; align-items: center; justify-content: center; border: 0; border-radius: 14px; cursor: pointer; font: 700 16px/1.2 inherit; font-family: inherit; color: #fff; background: linear-gradient(90deg, #FF4D00, #FF7A00); box-shadow: 0 14px 34px -10px rgba(255, 106, 0, .8), inset 0 1px 0 rgba(255, 255, 255, .25); }
.ck-uc .botao:hover { filter: brightness(1.06); }