:root {
  --ink: #1b1d26;
  --ink-soft: #4a4f5e;
  --line: #e4e2dc;
  --paper: #faf8f4;
  --card: #ffffff;
  --accent: #e2553f;
  --accent-ink: #ffffff;
  --accent-soft: #fbe6e1;
  --bubble-in: #ffffff;
  --bubble-out: #e7f3e9;
  --radius: 14px;
  --max: 1080px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }

body { margin: 0; line-height: 1.55; font-size: 17px; }

a { color: inherit; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Topo */
.topo { border-bottom: 1px solid var(--line); background: var(--paper); }
.topo .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.marca { font-weight: 800; font-size: 20px; letter-spacing: -0.02em; text-decoration: none; display: inline-flex; align-items: center; gap: 10px; }
.marca img { width: 36px; height: 36px; border-radius: 9px; display: block; }
.marca em { font-style: normal; color: var(--accent); }
.topo nav a { margin-left: 22px; text-decoration: none; color: var(--ink-soft); font-size: 15px; }
.topo nav a:hover { color: var(--ink); }

/* Botões */
.botao {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  padding: 14px 24px; border-radius: 999px; font-weight: 700; text-decoration: none;
  font-size: 16px; border: 0; cursor: pointer;
}
.botao:hover { filter: brightness(0.95); }
.botao.secundario { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }

/* Hero */
.hero { padding: 72px 0 56px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero h1 { font-size: 56px; line-height: 1.05; letter-spacing: -0.03em; margin: 0 0 20px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p.lead { font-size: 20px; color: var(--ink-soft); margin: 0 0 28px; max-width: 34em; }
.hero .acoes { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .nota { margin-top: 18px; font-size: 14px; color: var(--ink-soft); }

/* Conversa de exemplo */
.celular {
  background: #efe9e0; border-radius: 28px; padding: 18px 14px; border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(27, 29, 38, 0.08); max-width: 380px; justify-self: center; width: 100%;
}
.celular .cab { display: flex; align-items: center; gap: 10px; padding: 0 6px 14px; border-bottom: 1px solid rgba(0,0,0,0.06); margin-bottom: 12px; }
.celular .avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 14px; }
.celular .cab strong { display: block; font-size: 15px; }
.celular .cab small { color: var(--ink-soft); font-size: 12px; }
.msg { max-width: 82%; padding: 9px 12px; border-radius: 12px; margin: 6px 0; font-size: 14.5px; line-height: 1.4; }
.msg.cliente { background: var(--bubble-in); margin-right: auto; border-top-left-radius: 4px; }
.msg.ia { background: var(--bubble-out); margin-left: auto; border-top-right-radius: 4px; }
.msg time { display: block; text-align: right; font-size: 11px; color: var(--ink-soft); margin-top: 2px; }

/* Abas de exemplos */
.exemplos { justify-self: center; width: 100%; max-width: 380px; }
.abas { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; justify-content: center; }
.abas button {
  font: inherit; font-size: 14px; font-weight: 600; padding: 7px 14px; border-radius: 999px;
  border: 1.5px solid var(--line); background: var(--card); color: var(--ink-soft); cursor: pointer;
}
.abas button[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.conversa { display: none; }
.conversa.ativa { display: block; }

/* Seções */
section { padding: 64px 0; }
section.alt { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: 36px; letter-spacing: -0.02em; line-height: 1.15; margin: 0 0 12px; }
.sub { color: var(--ink-soft); font-size: 18px; margin: 0 0 36px; max-width: 40em; }

.grade { display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr); }
.cartao { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
section.alt .cartao { background: var(--paper); }
.cartao h3 { margin: 0 0 8px; font-size: 19px; }
.cartao p { margin: 0; color: var(--ink-soft); font-size: 16px; }
.passo { font-size: 13px; font-weight: 800; color: var(--accent); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 10px; display: block; }

/* Planos */
.planos { display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr); }
.plano { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.plano.destaque { border: 2px solid var(--accent); }
.plano h3 { margin: 0; font-size: 22px; }
.plano .quem { color: var(--ink-soft); margin: 4px 0 18px; }
.plano .preco { font-size: 40px; font-weight: 800; letter-spacing: -0.02em; }
.plano .preco small { font-size: 16px; font-weight: 500; color: var(--ink-soft); }
.plano ul { padding-left: 20px; margin: 18px 0 0; color: var(--ink-soft); }
.plano li { margin: 6px 0; }
.fundador {
  margin-top: 24px; background: var(--accent-soft); border-radius: var(--radius);
  padding: 18px 22px; font-size: 16px;
}

/* FAQ */
.faq { max-width: 760px; }
.faq details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.faq summary { font-weight: 700; cursor: pointer; font-size: 18px; }
.faq details p { color: var(--ink-soft); margin: 10px 0 0; }

/* Inscrição */
.inscricao { text-align: center; }
.inscricao .sub { margin-left: auto; margin-right: auto; }

/* Rodapé */
footer { padding: 32px 0; color: var(--ink-soft); font-size: 14px; border-top: 1px solid var(--line); }
footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.rodape-marca { display: inline-flex; align-items: center; gap: 14px; }
.rodape-marca img { height: 60px; width: auto; display: block; }

/* Páginas de texto (política) */
.texto { max-width: 760px; padding: 48px 20px 72px; margin: 0 auto; }
.texto h1 { font-size: 40px; letter-spacing: -0.02em; margin: 0 0 8px; }
.texto h2 { font-size: 24px; margin: 36px 0 10px; }
.texto p, .texto li { color: var(--ink-soft); }
.texto .data { color: var(--ink-soft); font-size: 15px; margin-bottom: 28px; }
.texto table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 12px 0; }
.texto th, .texto td { text-align: left; border-bottom: 1px solid var(--line); padding: 8px 10px 8px 0; vertical-align: top; }
.texto th { color: var(--ink); }

@media (max-width: 860px) {
  body { font-size: 16px; }
  .hero { padding: 44px 0 36px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 36px; }
  .hero h1 { font-size: 40px; }
  .hero p.lead { font-size: 18px; }
  h2 { font-size: 28px; }
  .grade, .planos { grid-template-columns: 1fr; }
  .topo nav a:not(.botao-topo) { display: none; }
  section { padding: 48px 0; }
  .texto h1 { font-size: 32px; }
}