:root {
  /* Paleta: branco, azul, amarelo */
  --primary: #1e3a5f;
  --primary-dark: #0f2744;
  --ml-yellow: #ffe600;
  --ml-yellow-hover: #e6cf00;
  --accent: var(--ml-yellow);
  --accent-hover: var(--ml-yellow-hover);
  --surface-soft: #f8fafc;
  --branco: #ffffff;
  --cinza-claro: #f5f7fa;
  --cinza-medio: #e8ecf1;
  --cinza: #64748b;
  --texto: #1e293b;
  --sucesso: #2e7d32;
  --erro: #c62828;
  /* Coluna de conteúdo (landing e demais páginas) */
  --content-max: 56rem;
  --content-pad-x: clamp(1.5rem, 5vw, 3rem);
}

.content-column {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--content-pad-x);
  box-sizing: border-box;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 6.5rem;
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--branco);
  color: var(--texto);
  line-height: 1.6;
  min-height: 100vh;
}

/* Header global — barra full width; conteúdo na mesma coluna da landing */
.site-header {
  background: var(--branco);
  border-bottom: 1px solid var(--cinza-medio);
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  box-shadow: none;
}

.site-header-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0.65rem var(--content-pad-x);
  min-height: 5.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  box-sizing: border-box;
}

.site-header .logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

/* Logo horizontal — prioriza largura legível */
.site-header .logo img {
  display: block;
  height: clamp(3.25rem, 10vw, 4.75rem);
  width: auto;
  max-width: min(22rem, 78vw);
  object-fit: contain;
  object-position: left center;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.site-nav a {
  color: var(--texto);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

.site-nav a:hover {
  color: var(--primary);
}

.site-nav .nav-cta {
  background: var(--ml-yellow);
  color: var(--primary-dark);
  padding: 0.5rem 1rem;
  border-radius: 8px;
}

.site-nav .nav-cta:hover {
  background: var(--ml-yellow-hover);
  color: var(--primary-dark);
}

.site-nav .nav-fale-conosco {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.875rem;
  color: #fff !important;
  background: #25d366;
  border: none;
}

.site-nav .nav-fale-conosco:hover {
  background: #20bd5a;
  color: #fff !important;
  text-decoration: none;
}

.site-nav .nav-link--muted {
  color: var(--cinza);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 2px solid var(--cinza-medio);
  border-radius: 8px;
  background: var(--branco);
  color: var(--primary);
  font-size: 1.25rem;
  cursor: pointer;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .site-header-inner {
    position: relative;
    flex-wrap: nowrap;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--branco);
    border-bottom: 1px solid var(--cinza-medio);
    padding: 0.75rem var(--content-pad-x) 1rem;
    box-shadow: 0 8px 24px rgba(15, 39, 68, 0.08);
    z-index: 50;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 0.85rem 0;
    min-height: 44px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--cinza-medio);
  }

  .site-nav a:last-child {
    border-bottom: none;
  }

  .site-nav .nav-cta {
    margin-top: 0.5rem;
    text-align: center;
  }

  .site-nav .nav-fale-conosco {
    margin: 0.35rem 0;
    text-align: center;
    justify-content: center;
  }
}

/* Páginas internas (login, validar público, dashboard cards) */
.site-page {
  background: var(--branco);
}

.site-page .card,
.dashboard-page .card {
  border: 1px solid var(--cinza-medio);
  border-top: 4px solid var(--primary);
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(30, 58, 95, 0.07);
}

.site-page .page-intro {
  margin-bottom: 1.5rem;
}

.site-page .page-intro h1 {
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.site-page .page-intro .lead {
  color: var(--cinza);
  margin: 0;
  line-height: 1.6;
}

/* Páginas internas (login, validar público) */
.page-main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 2.5rem var(--content-pad-x) 3rem;
  box-sizing: border-box;
}

.card {
  background: var(--branco);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(30, 58, 95, 0.06);
  border: 1px solid var(--cinza-medio);
  border-top: 4px solid var(--primary);
}

.card h1,
.card h2 {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.35rem;
}

.card .lead {
  margin-bottom: 1.5rem;
  color: var(--cinza);
}

.form-group {
  margin-bottom: 1.25rem;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

input[type='text'],
input[type='email'],
input[type='password'],
input[type='tel'],
input[type='file'],
textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--cinza-medio);
  border-radius: 8px;
  font-size: 16px;
  transition: border-color 0.2s;
  font-family: inherit;
}

textarea {
  resize: vertical;
  min-height: 4.5rem;
}

input[type='text']:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group .field-hint {
  display: block;
  font-size: 0.8rem;
  color: var(--cinza);
  margin-top: 0.35rem;
}

.preview {
  margin-top: 1rem;
  text-align: center;
}

.preview img {
  max-width: 100%;
  max-height: 200px;
  border-radius: 8px;
  border: 2px solid var(--accent);
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: var(--branco);
  border: none;
  padding: 0.9rem 2rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn:hover:not(:disabled) {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(30, 58, 95, 0.25);
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-accent {
  background: var(--ml-yellow);
  color: var(--primary-dark);
}

.btn-accent:hover:not(:disabled) {
  background: var(--ml-yellow-hover);
  color: var(--primary-dark);
  box-shadow: 0 4px 16px rgba(255, 230, 0, 0.35);
}

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  padding: 0.85rem 1.35rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: background 0.15s, color 0.15s;
}

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

.aviso {
  background: var(--surface-soft);
  border-left: 4px solid var(--accent);
  padding: 1rem;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  border-radius: 0 8px 8px 0;
}

.aviso strong {
  color: var(--primary);
}

.aviso-legal {
  line-height: 1.6;
  color: #475569;
}

.mensagem {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
}

.mensagem.erro {
  background: #ffebee;
  color: var(--erro);
}

.mensagem.sucesso {
  background: #e8f5e9;
  color: var(--sucesso);
}

.resultado-validacao {
  margin-top: 1.5rem;
}

.resultado-validacao.valido {
  border: 2px solid #4caf50;
  border-radius: 8px;
  padding: 1.5rem;
  background: #f1f8e9;
}

.resultado-validacao.invalido {
  border: 2px solid var(--erro);
  border-radius: 8px;
  padding: 1.5rem;
  background: #ffebee;
}

.hash-box {
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 0.75rem;
  word-break: break-all;
  background: var(--cinza-claro);
  padding: 0.75rem;
  border-radius: 6px;
  margin-top: 0.5rem;
}

.campo-resultado {
  margin-bottom: 1rem;
}

.campo-resultado dt {
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--cinza);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.campo-resultado dd {
  margin-top: 0.25rem;
  font-size: 1rem;
}

.site-footer {
  text-align: left;
  padding: 2rem 0 3rem;
  font-size: 0.8rem;
  color: var(--cinza);
  border-top: 1px solid var(--cinza-medio);
  background: var(--branco);
}

.site-footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--content-pad-x);
  box-sizing: border-box;
}

.site-footer a {
  color: var(--primary);
}

.auth-card {
  max-width: 28rem;
  margin: 0;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.auth-form .form-field {
  margin-bottom: 1.1rem;
}

.auth-form .form-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary);
  margin-bottom: 0.45rem;
}

.auth-form .field-input {
  display: block;
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--texto);
  background: var(--branco);
  border: 2px solid var(--cinza-medio);
  border-radius: 10px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.auth-form .field-input::placeholder {
  color: #94a3b8;
  font-size: 0.95rem;
}

.auth-form .field-input:hover {
  border-color: #cbd5e1;
}

.auth-form .field-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.12);
}

.auth-form .field-hint {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--cinza);
}

.auth-form .btn-block {
  margin-top: 0.5rem;
  padding: 0.95rem 1.25rem;
}

.auth-panel-title {
  font-size: 1.05rem;
  color: var(--primary);
  margin-bottom: 1rem;
  font-weight: 700;
}

.auth-switch {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--cinza);
}

.auth-switch-btn {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  text-decoration: underline;
}

.auth-switch-btn:hover {
  color: var(--primary-dark);
}

.auth-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.auth-tab {
  flex: 1;
  padding: 0.6rem 1rem;
  border: 2px solid var(--cinza-medio);
  background: var(--branco);
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--cinza);
  cursor: pointer;
}

.auth-tab.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--surface-soft);
}

.auth-hint {
  font-size: 0.8rem;
  color: var(--cinza);
  margin-top: 0.75rem;
  text-align: center;
}

.auth-loading {
  text-align: center;
  color: var(--cinza);
  padding: 2rem;
}

.user-badge {
  font-size: 0.85rem;
  color: var(--cinza);
  margin-bottom: 1rem;
  padding: 0.5rem 0.75rem;
  background: var(--surface-soft);
  border-radius: 6px;
}

.user-badge strong {
  color: var(--primary);
}