:root {
  --azul: #171844;
  --azul-escuro: #0d1427;
  --ciano: #00b1eb;
  --campo: #eaecf1;
  --texto: #0d1427;
  --suave: #5b6275;
  --erro: #c62828;
  --ok: #1b8a4b;
  --raio: 10px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; color: var(--texto);
  font-family: "Red Hat Text", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; font-size: 16px; line-height: 1.5;
  background: var(--azul) url("bg.jpg") center top / cover fixed no-repeat;
}
.so-leitor, .armadilha { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.pagina { max-width: 780px; margin: 0 auto; padding: 28px 16px 24px; }
.cartao { background: #fff; border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,.45); padding: 28px 28px 32px; }
.topo { display: flex; justify-content: center; margin-bottom: 20px; }
.logo { height: 56px; width: auto; }
.intro { background: var(--azul); color: #fff; border-radius: 12px; padding: 18px 22px; margin: 0 0 22px; font-size: 18px; line-height: 1.55; }

fieldset { border: 0; margin: 0 0 20px; padding: 0; min-width: 0; }
.grade { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
.campo { display: flex; flex-direction: column; min-width: 0; }
.campo-largo { grid-column: 1 / -1; }
.titulo-bloco { grid-column: 1 / -1; font-weight: 700; font-size: 17px; color: var(--azul); padding: 0; margin-bottom: 4px; float: left; width: 100%; }
.titulo-bloco + * { clear: both; }
label { font-size: 15px; font-weight: 500; margin-bottom: 6px; }
.obr { color: var(--erro); }
.opcional { font-weight: 400; font-size: 12px; color: var(--suave); background: var(--campo); padding: 1px 8px; border-radius: 99px; margin-left: 6px; vertical-align: middle; }

input[type=text], input[type=email], input[type=tel], input[type=number], select, textarea {
  width: 100%; font: inherit; color: var(--texto); background: var(--campo); border: 2px solid transparent;
  border-radius: var(--raio); padding: 12px 14px; min-height: 48px; outline: none; transition: border-color .15s, background .15s, box-shadow .15s;
}
textarea { resize: vertical; min-height: 110px; }
input:focus, select:focus, textarea:focus { background: #fff; border-color: var(--ciano); box-shadow: 0 0 0 4px rgba(0,177,235,.18); }
input[aria-invalid=true], select[aria-invalid=true] { border-color: var(--erro); background: #fff5f5; }
input.ok { border-color: rgba(27,138,75,.55); }
.dica { font-size: 13px; color: var(--suave); margin: 6px 0 0; }
.erro { font-size: 13px; color: var(--erro); margin: 6px 0 0; font-weight: 500; }
.erro::before { content: "⚠ "; }
.ok-texto { color: var(--ok); }

.stepper { display: flex; align-items: stretch; background: var(--campo); border-radius: var(--raio); overflow: hidden; }
.stepper button { width: 48px; border: 0; background: transparent; font-size: 22px; color: var(--azul); cursor: pointer; }
.stepper button:hover { background: rgba(23,24,68,.08); }
.stepper button:focus-visible { outline: 3px solid var(--ciano); outline-offset: -3px; }
.stepper input { text-align: center; border-radius: 0; background: transparent; -moz-appearance: textfield; padding-inline: 4px; }
.stepper input::-webkit-outer-spin-button, .stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.stepper input:focus { background: #fff; box-shadow: none; }

.bloco-pesquisa { background: #f6f7fb; border: 1px solid #e2e5ee; border-radius: 12px; padding: 18px 18px 6px; }
.pergunta { font-weight: 500; margin: 14px 0 8px; }
.opcoes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-bottom: 8px; }
.opcoes-curtas { grid-template-columns: repeat(2, minmax(0, 160px)); }
.opcao { position: relative; }
.opcao input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; cursor: pointer; margin: 0; }
.opcao span { display: flex; align-items: center; gap: 10px; background: #fff; border: 2px solid #dfe3ee; border-radius: var(--raio); padding: 10px 12px; min-height: 46px; font-size: 15px; transition: border-color .15s, background .15s; }
.opcao span::before { content: ""; flex: none; width: 18px; height: 18px; border-radius: 50%; border: 2px solid #aab1c4; background: #fff; transition: all .15s; }
.opcao input:checked + span { border-color: var(--ciano); background: #eaf8fe; }
.opcao input:checked + span::before { border-color: var(--ciano); background: var(--ciano); box-shadow: inset 0 0 0 3px #fff; }
.opcao input:focus-visible + span { box-shadow: 0 0 0 4px rgba(0,177,235,.3); }
.opcao input:hover + span { border-color: var(--ciano); }

.alerta { border-radius: var(--raio); padding: 12px 16px; margin: 0 0 18px; font-size: 15px; }
.alerta-erro { background: #fdecec; color: #8c1d1d; border: 1px solid #f3b9b9; }
.alerta-erro ul { margin: 6px 0 0; padding-left: 20px; }

.botao {
  position: relative; width: 100%; min-height: 54px; margin-top: 8px; border: 0; border-radius: var(--raio); cursor: pointer;
  font: inherit; font-weight: 700; font-size: 16px; letter-spacing: .06em; text-transform: uppercase; color: #fff; background: var(--azul);
  transition: background .15s, transform .05s;
}
.botao:hover { background: #22246a; }
.botao:active { transform: translateY(1px); }
.botao:focus-visible { outline: 4px solid rgba(0,177,235,.55); outline-offset: 2px; }
.botao[disabled] { cursor: progress; opacity: .85; }
.botao-claro { background: var(--campo); color: var(--azul); }
.botao-claro:hover { background: #dde0ea; }
.giro { display: none; width: 20px; height: 20px; border: 3px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: gira .8s linear infinite; position: absolute; right: 18px; top: 50%; margin-top: -10px; }
.botao.carregando .giro { display: block; }
@keyframes gira { to { transform: rotate(360deg); } }
.privacidade { text-align: center; font-size: 13px; color: var(--suave); margin: 14px 0 0; }

.sucesso { text-align: center; padding: 18px 6px 6px; }
.sucesso:focus { outline: none; }
.selo { width: 76px; height: 76px; margin: 0 auto 14px; border-radius: 50%; background: var(--ok); color: #fff; display: grid; place-items: center; animation: surge .4s ease-out; }
@keyframes surge { from { transform: scale(.6); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.sucesso h1 { margin: 0 0 8px; font-size: 26px; color: var(--azul); }
.sucesso p { color: var(--suave); max-width: 460px; margin: 0 auto 22px; }
.rodape { text-align: center; color: rgba(255,255,255,.7); font-size: 13px; margin: 18px 0 0; }

@media (max-width: 620px) {
  .pagina { padding: 12px 10px 18px; }
  .cartao { padding: 20px 16px 24px; border-radius: 14px; }
  .grade { grid-template-columns: 1fr; }
  .intro { font-size: 16px; padding: 14px 16px; }
  .opcoes { grid-template-columns: 1fr; }
  .opcoes-curtas { grid-template-columns: 1fr 1fr; }
  .logo { height: 48px; }
  input, select, textarea { font-size: 16px; } /* evita zoom automático no iPhone */
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }