:root {
  --tinta: #101528;
  --azul: #2F5BFF;
  --profundo: #1A3BC4;
  --gelo: #DCE5FF;
  --nuvem: #F6F8FC;
  --branco: #FFFFFF;
  --texto-2: #3A4257;
  --borda: #DDE2EC;
  --raio: 16px;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  font-weight: 500;
  color: var(--tinta);
  background: var(--branco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; }
a { color: var(--profundo); }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -0.03em; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.rotulo { font-size: 13px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--profundo); }
.escuro .rotulo { color: var(--gelo); }

/* Botões */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 26px; border-radius: 999px;
  font: inherit; font-weight: 700; font-size: 16px; text-decoration: none;
  transition: transform .15s ease, background-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--azul); outline-offset: 3px; }
.btn-primario { background: var(--profundo); color: var(--branco); }
.btn-primario:hover { background: #142fa0; }
.escuro .btn-primario { background: var(--azul); }
.escuro .btn-primario:hover { background: #2049e6; }
.btn-secundario { color: var(--tinta); border: 2px solid var(--tinta); }
.escuro .btn-secundario { color: var(--branco); border-color: rgba(255,255,255,.5); }
.btn svg { width: 20px; height: 20px; flex-shrink: 0; }

/* Cabeçalho */
.topo { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--borda); }
.topo .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; }
.marca { display: flex; align-items: center; color: var(--tinta); }
.marca svg { height: 30px; width: auto; }
.menu { display: flex; align-items: center; gap: 28px; }
.menu a:not(.btn) { color: var(--tinta); text-decoration: none; font-weight: 600; font-size: 15px; }
.menu a:not(.btn):hover { color: var(--profundo); }
.menu .btn { min-height: 44px; padding: 0 20px; font-size: 15px; }

/* Hero */
.escuro { background: var(--tinta); color: var(--branco); }
.hero { position: relative; overflow: hidden; padding: 96px 0 120px; }
.hero .container { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 24px; }
.hero h1 { font-size: clamp(44px, 8vw, 92px); font-weight: 800; max-width: 11ch; }
.hero p { font-size: clamp(18px, 2.2vw, 21px); color: var(--gelo); max-width: 560px; }
.acoes { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.fio-hero { position: absolute; left: 0; right: 0; bottom: 56px; width: 100%; height: 120px; }

/* Seções */
.secao { padding: 96px 0; }
.secao-nuvem { background: var(--nuvem); }
.cabecalho-secao { display: flex; flex-direction: column; gap: 12px; max-width: 720px; margin-bottom: 48px; }
.cabecalho-secao h2 { font-size: clamp(32px, 4.5vw, 48px); font-weight: 800; }
.cabecalho-secao p { font-size: 18px; color: var(--texto-2); }
.sublinha { display: block; width: 120px; height: 10px; }

.grade { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--branco); border: 1px solid var(--borda); border-radius: var(--raio); padding: 28px; display: flex; flex-direction: column; gap: 10px; }
.secao-nuvem .card { border-color: transparent; }
.card h3 { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; }
.card p { color: var(--texto-2); font-size: 16px; }
.traco { width: 40px; height: 10px; }

/* Passos */
.passos { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); counter-reset: passo; list-style: none; margin: 0; padding: 0; }
.passos li { position: relative; padding: 28px; border-radius: var(--raio); background: var(--nuvem); display: flex; flex-direction: column; gap: 8px; }
.passos li::before { counter-increment: passo; content: counter(passo, decimal-leading-zero); font-size: 40px; font-weight: 800; color: var(--azul); letter-spacing: -0.04em; line-height: 1; }
.passos h3 { font-size: 20px; font-weight: 800; letter-spacing: -0.02em; }
.passos p { color: var(--texto-2); font-size: 15px; }

/* Planos */
.plano { gap: 16px; }
.plano .icone { width: 52px; height: 52px; border-radius: 14px; background: var(--gelo); display: flex; align-items: center; justify-content: center; }
.plano .icone svg { width: 26px; height: 26px; color: var(--profundo); }
.plano ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; color: var(--texto-2); font-size: 15px; }
.plano li { display: flex; gap: 10px; align-items: flex-start; }
.plano li::before { content: ""; flex-shrink: 0; width: 14px; height: 6px; margin-top: 10px; border-radius: 3px; background: var(--azul); }
.plano .preco { font-size: 15px; font-weight: 700; color: var(--tinta); padding: 12px 14px; border-radius: 10px; background: var(--nuvem); }
.plano .btn { margin-top: auto; }
.plano-destaque { background: var(--tinta); color: var(--branco); border-color: var(--tinta); }
.plano-destaque p, .plano-destaque ul { color: var(--gelo); }
.plano-destaque .preco { background: rgba(255,255,255,.08); color: var(--branco); }
.plano-destaque .btn-primario { background: var(--azul); }

/* Atendimento */
.duas-colunas { display: grid; gap: 48px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); align-items: center; }
.chat { background: var(--nuvem); border-radius: 20px; padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.chat-topo { display: flex; align-items: center; gap: 12px; font-weight: 800; }
.chat-topo .avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--azul); display: flex; align-items: center; justify-content: center; }
.balao { align-self: flex-start; max-width: 360px; background: var(--branco); border: 1px solid var(--borda); border-radius: 16px 16px 16px 4px; padding: 12px 16px; font-size: 15px; line-height: 1.5; }
.balao-cliente { align-self: flex-end; background: var(--gelo); border-color: var(--gelo); border-radius: 16px 16px 4px 16px; }

/* FAQ */
.faq { display: flex; flex-direction: column; gap: 12px; max-width: 820px; }
.faq details { background: var(--branco); border: 1px solid var(--borda); border-radius: 14px; padding: 0 22px; }
.faq summary { cursor: pointer; list-style: none; padding: 20px 0; font-weight: 700; font-size: 17px; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 24px; line-height: 1; color: var(--profundo); }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 0 20px; color: var(--texto-2); }

/* CTA final */
.cta-final { padding: 96px 0; }
.cta-final .container { display: flex; flex-direction: column; align-items: flex-start; gap: 24px; }
.cta-final h2 { font-size: clamp(34px, 5vw, 56px); font-weight: 800; max-width: 16ch; }

/* Rodapé */
.rodape { background: var(--tinta); color: var(--gelo); padding: 48px 0 32px; border-top: 1px solid rgba(255,255,255,.08); }
.rodape .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; align-items: flex-end; }
.rodape .marca { color: var(--branco); }
.rodape .marca svg { height: 34px; }
.rodape p { font-size: 14px; }
.rodape a { color: var(--branco); font-weight: 700; text-decoration: none; }

/* WhatsApp flutuante */
.whats-flutuante {
  position: fixed; right: 18px; bottom: 18px; z-index: 30;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--azul); color: var(--branco);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(16, 21, 40, .25);
}
.whats-flutuante svg { width: 28px; height: 28px; }
.whats-flutuante:focus-visible { outline: 3px solid var(--tinta); outline-offset: 3px; }

/* Cabeçalho de página interna */
.pagina-topo { padding: 80px 0 72px; }
.pagina-topo .container { display: flex; flex-direction: column; gap: 18px; }
.pagina-topo h1 { font-size: clamp(40px, 6.5vw, 72px); font-weight: 800; max-width: 14ch; }
.pagina-topo p { font-size: 19px; color: var(--gelo); max-width: 600px; }

@media (max-width: 760px) {
  .menu a:not(.btn) { display: none; }
  .menu .btn { padding: 0 16px; }
  .menu .btn span { display: none; }
  .hero { padding: 64px 0 120px; }
  .fio-hero { bottom: 24px; height: 64px; }
  .secao, .cta-final { padding: 64px 0; }
  .acoes .btn { width: 100%; }
}