:root {
  --brand: #ea580c;
  --brand-escuro: #c2410c;
  --brand-claro: #fff7ed;
  --texto: #0f172a;
  --suave: #475569;
  --borda: #e2e8f0;
  --fundo: #f8fafc;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--texto);
  line-height: 1.6;
  background: #fff;
}
a { color: var(--brand-escuro); }
img { max-width: 100%; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

header.topo {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, .92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--borda);
}
.topo .container { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 18px; color: var(--texto); text-decoration: none; }
.logo span.marca { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--brand); color: #fff; }
.topo nav { display: flex; gap: 20px; margin-left: auto; align-items: center; }
.topo nav a { color: var(--suave); text-decoration: none; font-size: 15px; }
.topo nav a:hover { color: var(--texto); }
@media (max-width: 760px) { .topo nav a.secao { display: none; } }

.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 600; text-decoration: none;
  background: var(--brand); color: #fff !important; border: 0; cursor: pointer; font-size: 16px;
  transition: background .15s;
}
.btn:hover { background: var(--brand-escuro); }
.btn.secundario { background: #fff; color: var(--texto) !important; border: 1px solid var(--borda); }
.btn.secundario:hover { background: var(--fundo); }
.btn.pequeno { padding: 8px 14px; font-size: 14px; }

.hero { background: linear-gradient(180deg, var(--brand-claro), #fff); padding: 72px 0 56px; }
.hero .container { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
@media (max-width: 900px) { .hero .container { grid-template-columns: 1fr; } }
.selo { display: inline-block; background: #fff; border: 1px solid #fed7aa; color: var(--brand-escuro); border-radius: 999px; padding: 4px 12px; font-size: 13px; font-weight: 600; }
.hero h1 { font-size: clamp(32px, 5vw, 50px); line-height: 1.1; margin: 16px 0; letter-spacing: -.02em; }
.hero p.sub { font-size: 19px; color: var(--suave); margin: 0 0 28px; }
.hero .acoes { display: flex; gap: 12px; flex-wrap: wrap; }
.hero small { display: block; margin-top: 12px; color: var(--suave); }

.chat {
  background: #e5ddd5; border-radius: 20px; padding: 18px; box-shadow: 0 20px 50px rgba(15, 23, 42, .15);
  display: flex; flex-direction: column; gap: 8px; font-size: 14.5px; max-width: 420px; margin: 0 auto; width: 100%;
}
.msg { max-width: 82%; padding: 8px 12px; border-radius: 10px; box-shadow: 0 1px 1px rgba(0, 0, 0, .08); }
.msg.cliente { align-self: flex-end; background: #dcf8c6; }
.msg.bot { align-self: flex-start; background: #fff; }
.msg b { color: var(--brand-escuro); }

section { padding: 72px 0; }
section.cinza { background: var(--fundo); }
h2.titulo { font-size: clamp(26px, 3.5vw, 36px); text-align: center; margin: 0 0 12px; letter-spacing: -.01em; }
p.lead { text-align: center; color: var(--suave); max-width: 680px; margin: 0 auto 40px; font-size: 17px; }

.grade { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .grade { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grade { grid-template-columns: 1fr; } }
.cartao { background: #fff; border: 1px solid var(--borda); border-radius: 16px; padding: 24px; }
.cartao .icone { font-size: 28px; }
.cartao h3 { margin: 10px 0 6px; font-size: 18px; }
.cartao p { margin: 0; color: var(--suave); font-size: 15px; }

.passos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: passo; }
@media (max-width: 760px) { .passos { grid-template-columns: 1fr; } }
.passos div { text-align: center; }
.passos div::before {
  counter-increment: passo; content: counter(passo);
  display: grid; place-items: center; width: 44px; height: 44px; margin: 0 auto 12px; border-radius: 50%;
  background: var(--brand); color: #fff; font-weight: 700; font-size: 18px;
}
.passos h3 { margin: 0 0 6px; }
.passos p { margin: 0; color: var(--suave); }

.planos { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; max-width: 980px; margin: 0 auto; }
.plano { position: relative; background: #fff; border: 2px solid var(--borda); border-radius: 18px; padding: 28px; display: flex; flex-direction: column; }
.plano.destaque { border-color: var(--brand); box-shadow: 0 12px 30px rgba(234, 88, 12, .15); }
.plano .fita { position: absolute; top: -12px; right: 20px; background: var(--brand); color: #fff; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.plano h3 { margin: 0; font-size: 20px; }
.plano .preco { font-size: 36px; font-weight: 800; margin: 8px 0 4px; }
.plano .preco small { font-size: 15px; font-weight: 400; color: var(--suave); }
.plano p.desc { color: var(--suave); margin: 0 0 12px; font-size: 15px; }
.plano ul { list-style: none; padding: 0; margin: 0 0 20px; flex: 1; }
.plano li { padding: 4px 0 4px 24px; position: relative; font-size: 15px; }
.plano li::before { content: "✓"; position: absolute; left: 0; color: #16a34a; font-weight: 700; }
.plano .btn { text-align: center; }
.carregando { text-align: center; color: var(--suave); }

.faq { max-width: 760px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--borda); padding: 16px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 17px; }
.faq p { color: var(--suave); margin: 10px 0 0; }

.cta-final { background: var(--texto); color: #fff; text-align: center; }
.cta-final h2 { color: #fff; }
.cta-final p { color: #cbd5e1; }

footer { border-top: 1px solid var(--borda); padding: 28px 0; font-size: 14px; color: var(--suave); }
footer .container { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; }
footer a { color: var(--suave); }

.documento { max-width: 820px; margin: 0 auto; padding: 48px 20px 72px; }
.documento h1 { font-size: 32px; margin-bottom: 4px; }
.documento .versao { color: var(--suave); margin-top: 0; }
.documento h2 { font-size: 21px; margin-top: 36px; }
.documento li { margin: 6px 0; }
.documento table { border-collapse: collapse; width: 100%; font-size: 15px; }
.documento th, .documento td { border: 1px solid var(--borda); padding: 8px 10px; text-align: left; vertical-align: top; }
.documento th { background: var(--fundo); }