:root {
  --navy: #0f2a4a;
  --navy-2: #173a63;
  --texto: #1c2733;
  --suave: #5b6876;
  --borda: #dfe4ea;
  --fundo: #f5f7fa;
  --branco: #ffffff;
  --alerta: #b42318;
  --alerta-fundo: #fef3f2;
  --ok: #0b7a55;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--texto);
  background: var(--fundo);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--navy-2); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

/* topo */
.topo { background: var(--branco); border-bottom: 1px solid var(--borda); }
.topo .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.marca { font-weight: 700; font-size: 18px; color: var(--navy); text-decoration: none; }
.marca small { font-weight: 500; color: var(--suave); font-size: 14px; margin-left: 6px; }
.topo nav a { margin-left: 18px; text-decoration: none; font-size: 15px; }

/* botões */
.btn {
  display: inline-block; border: 1px solid var(--navy); background: var(--navy); color: #fff;
  padding: 11px 20px; border-radius: 6px; font-size: 15px; font-weight: 600; text-decoration: none;
  cursor: pointer; font-family: inherit;
}
.btn:hover { background: var(--navy-2); box-shadow: 0 2px 8px rgba(15, 42, 74, .15); }
.btn.sec { background: var(--branco); color: var(--navy); }
.btn.sec:hover { background: #eef2f7; }
.btn[disabled] { opacity: .55; cursor: default; }

/* início */
.hero { background: var(--branco); border-bottom: 1px solid var(--borda); }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; padding: 64px 16px; align-items: center; }
.hero h1 { font-size: 38px; line-height: 1.2; margin: 0 0 16px; color: var(--navy); }
.hero p { font-size: 18px; color: var(--suave); margin: 0 0 28px; max-width: 520px; }
.hero .acoes .btn { margin-right: 10px; margin-bottom: 10px; }
.hero figure { margin: 0; border: 1px solid var(--borda); border-radius: 8px; overflow: hidden; background: #0d1117; aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center; color: #9aa7b4; font-size: 14px; }
.hero figure img { width: 100%; height: 100%; object-fit: cover; display: block; }

.secao { padding: 56px 16px; }
.secao h2 { font-size: 24px; color: var(--navy); margin: 0 0 24px; }
.passos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.passo { background: var(--branco); border: 1px solid var(--borda); border-radius: 8px; padding: 20px; }
.passo b { display: block; margin-bottom: 6px; color: var(--navy); }
.passo p { margin: 0; color: var(--suave); font-size: 15px; }

.aviso { background: var(--branco); border: 1px solid var(--borda); border-left: 4px solid var(--navy); border-radius: 6px; padding: 18px 20px; font-size: 15px; color: var(--suave); }
.aviso b { color: var(--texto); }

.rodape { background: var(--navy); color: #c9d4e0; font-size: 14px; padding: 28px 0; margin-top: 40px; }
.rodape a { color: #fff; }

/* formulários */
.cartao { max-width: 420px; margin: 48px auto; background: var(--branco); border: 1px solid var(--borda); border-radius: 8px; padding: 28px; }
.cartao h1 { font-size: 22px; margin: 0 0 6px; color: var(--navy); }
.cartao .sub { color: var(--suave); margin: 0 0 22px; font-size: 15px; }
label { display: block; font-size: 14px; font-weight: 600; margin: 14px 0 6px; }
input[type=text], input[type=email], input[type=password], input[type=number] {
  width: 100%; padding: 11px 12px; border: 1px solid #c8d0d9; border-radius: 6px; font-size: 16px; font-family: inherit; background: #fff;
}
input:focus { outline: 2px solid #9db6d3; border-color: var(--navy-2); }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 14px; color: var(--suave); margin: 14px 0 0; }
.check input { margin-top: 3px; }
.cartao .btn { width: 100%; margin-top: 22px; }
.erro { background: var(--alerta-fundo); color: var(--alerta); border: 1px solid #fecdca; border-radius: 6px; padding: 10px 12px; font-size: 14px; }
.troca { text-align: center; font-size: 14px; color: var(--suave); margin-top: 18px; }

@media (max-width: 760px) {
  .hero .wrap { grid-template-columns: 1fr; padding: 36px 16px; gap: 28px; }
  .hero h1 { font-size: 29px; }
  .passos { grid-template-columns: 1fr; }
  .topo nav a { margin-left: 12px; font-size: 14px; }
  .marca small { display: none; }
  .cartao { margin: 24px 16px; padding: 22px; }
}

/* seletor de idioma */
.idioma { display: inline-flex; border: 1px solid var(--borda); border-radius: 6px; overflow: hidden; vertical-align: middle; }
.topo nav .idioma a { margin: 0; padding: 3px 9px; font-size: 13px; color: var(--suave); }
.topo nav .idioma a.atual { background: var(--navy); color: #fff; }
.topo nav .idioma + a { margin-left: 14px; }