*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --azul-gov: #071D41;
  --azul-footer: #0C326F;
  --azul-primario: #1351B4;
  --azul-hover: #0C326F;
  --azul-claro: #D4E5FF;
  --azul-fundo-card: #E1E7F1;
  --fundo-pagina: #F8F8F8;
  --cinza-claro: #F0F0F0;
  --branco: #FFFFFF;
  --texto: #333333;
  --texto-body: rgba(0, 0, 0, 0.87);
  --texto-leve: #666666;
  --sucesso: #168821;
  --alerta: #E8590C;
  --erro: #E52207;
}

html {
  font-size: 14px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Raleway', Arial, Helvetica, sans-serif;
  background-color: var(--fundo-pagina);
  color: var(--texto-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ── Barra Gov.BR ─────────────────────────────────────── */

.gov-bar {
  background-color: var(--azul-gov);
  width: 100%;
  overflow: hidden;
}

.gov-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  height: 32px;
  gap: 24px;
}

.gov-logo {
  height: 16px;
  filter: brightness(0) invert(1);
}

.gov-links {
  display: flex;
  gap: 16px;
  overflow: hidden;
}

.gov-links li a {
  font-size: 11px;
  color: var(--branco);
  white-space: nowrap;
  opacity: 0.85;
  transition: opacity 0.2s;
}

.gov-links li a:hover {
  opacity: 1;
}

/* ── Header ───────────────────────────────────────────── */

.header {
  background-color: var(--branco);
  border-bottom: 1px solid var(--cinza-claro);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 52px;
  height: auto;
}

.brand-text h1 {
  font-size: 20px;
  font-weight: 700;
  color: var(--texto);
  line-height: 1.2;
}

.subtitle {
  font-size: 12px;
  font-weight: 300;
  color: var(--texto-leve);
}

/* ── Main Content ─────────────────────────────────────── */

.main-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
}

.screen {
  display: none;
  width: 100%;
  max-width: 480px;
  animation: fadeIn 0.4s ease;
}

.screen.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Cards ────────────────────────────────────────────── */

.card {
  background: var(--branco);
  border-radius: 8px;
  padding: 40px 32px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.card-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--azul-primario);
  color: var(--branco);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 24px;
}

.card-icon.icon-warning {
  background-color: var(--alerta);
}

.card-icon.icon-success {
  background-color: var(--sucesso);
}

.card h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--texto);
  margin-bottom: 8px;
}

.card-description {
  font-size: 14px;
  color: var(--texto-leve);
  line-height: 1.5;
  margin-bottom: 28px;
}

/* ── Formulário CPF ───────────────────────────────────── */

.input-group {
  text-align: left;
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--texto);
  margin-bottom: 6px;
}

.input-group input {
  width: 100%;
  height: 48px;
  border: 1px solid #ccc;
  border-radius: 6px;
  padding: 0 16px;
  font-size: 18px;
  font-family: 'Raleway', Arial, sans-serif;
  color: var(--texto);
  background: var(--branco);
  transition: border-color 0.2s;
  letter-spacing: 1px;
}

.input-group input:focus {
  outline: none;
  border-color: var(--azul-primario);
  box-shadow: 0 0 0 3px rgba(19, 81, 180, 0.15);
}

.input-group input.invalid {
  border-color: var(--erro);
}

.error-msg {
  display: block;
  font-size: 12px;
  color: var(--erro);
  margin-top: 4px;
  min-height: 18px;
}

/* ── Botões ───────────────────────────────────────────── */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 48px;
  background-color: var(--azul-primario);
  color: var(--branco);
  border: none;
  border-radius: 100px;
  font-size: 16px;
  font-weight: 600;
  font-family: 'Raleway', Arial, sans-serif;
  cursor: pointer;
  transition: background-color 0.2s;
  padding: 0 24px;
}

.btn-primary:hover {
  background-color: var(--azul-hover);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-download {
  text-decoration: none;
}

.helper-text {
  font-size: 12px;
  color: var(--texto-leve);
  margin-top: 16px;
}

/* ── Footer ───────────────────────────────────────────── */

.footer {
  background-color: var(--azul-footer);
  color: var(--branco);
  padding: 32px 16px;
  margin-top: auto;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.footer-col h3 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.footer-col ul li {
  margin-bottom: 6px;
}

.footer-col ul li a {
  font-size: 12px;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.footer-col ul li a:hover {
  opacity: 1;
}

/* ── Responsivo ───────────────────────────────────────── */

@media (max-width: 768px) {
  .gov-links {
    display: none;
  }

  .header-inner {
    padding: 10px 16px;
  }

  .brand-text h1 {
    font-size: 18px;
  }

  .logo {
    width: 44px;
  }

  .main-content {
    padding: 24px 16px;
  }

  .card {
    padding: 32px 20px;
  }

  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .card {
    padding: 28px 16px;
  }

  .card h2 {
    font-size: 16px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}