/* ============================================================
   NATO ASSESSMENT — Varejo & Co
   Tema: Azul Marinho #0F172A + Âmbar #F59E0B + Branco
   ============================================================ */

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

:root {
  --navy:        #0F172A;
  --navy-soft:   #1E293B;
  --amber:       #F59E0B;
  --amber-light: #FCD34D;
  --white:       #ffffff;
  --light:       #F8FAFC;
  --light-dark:  #F1F5F9;
  --border:      #E2E8F0;
  --border-soft: #EFF2F7;
  --text:        #0F172A;
  --text-mid:    #475569;
  --text-light:  #94A3B8;

  --radius:      4px;
  --shadow:      0 2px 16px rgba(0,0,0,0.08);
  --shadow-hover: 0 6px 24px rgba(0,0,0,0.14);

  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--light);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3 { font-weight: 700; }

/* ============================================================
   LAYOUT
   ============================================================ */
.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  background: var(--navy);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-link { display: block; text-decoration: none; }
.logo-img { height: 36px; width: auto; display: block; }
.logo-fallback {
  color: var(--white);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 3px;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 60px 0;
}

.hero-content {
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background: var(--navy);
  color: var(--amber);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 2px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(28px, 5vw, 42px);
  line-height: 1.2;
  color: var(--navy);
  margin-bottom: 16px;
}

.hero h1 .accent { color: var(--amber); }

.hero-description {
  color: var(--text-mid);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   FORMULÁRIO
   ============================================================ */
.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

.form-card .form-title {
  font-size: 20px;
  margin-bottom: 6px;
  text-align: center;
  color: var(--navy);
}

.form-card .form-subtitle {
  color: var(--text-light);
  font-size: 13px;
  text-align: center;
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-mid);
  margin-bottom: 6px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--text);
  background: var(--light);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--navy);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(15,23,42,0.06);
}

.form-group input::placeholder { color: #B0BEC5; }

.privacy-note {
  color: var(--text-light);
  font-size: 12px;
  line-height: 1.5;
  margin-bottom: 24px;
  text-align: center;
}

/* ============================================================
   BOTÕES
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 15px 32px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  width: 100%;
}

.btn-primary:hover {
  background: var(--navy-soft);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.btn-primary:active { transform: translateY(0); }

.btn-primary.btn-amber {
  background: var(--amber);
  color: var(--navy);
}
.btn-primary.btn-amber:hover { background: var(--amber-light); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--text-mid);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding: 12px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-secondary:hover {
  border-color: var(--navy);
  color: var(--navy);
  background: var(--light);
}

/* ============================================================
   QUIZ
   ============================================================ */
.quiz-main {
  flex: 1;
  padding: 40px 0 60px;
}

.placeholder-box {
  background: var(--white);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 60px 32px;
  text-align: center;
}

.placeholder-box .placeholder-icon {
  width: 48px;
  height: 48px;
  background: var(--amber);
  color: var(--navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
  margin: 0 auto 16px;
}

.placeholder-box h2 {
  font-size: 18px;
  color: var(--navy);
  margin-bottom: 8px;
}

.placeholder-box p {
  color: var(--text-mid);
  font-size: 14px;
  line-height: 1.6;
}

.placeholder-box code {
  background: var(--light-dark);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 12px;
}

/* Cards de questão */
.question-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.question-header {
  background: var(--navy);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.question-num {
  background: var(--amber);
  color: var(--navy);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.question-dim {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber);
}

.question-body {
  padding: 24px;
}

.question-text {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 20px;
  line-height: 1.6;
}

/* Likert 5 */
.likert-scale {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.likert-btn {
  background: var(--light);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 8px;
  cursor: pointer;
  text-align: center;
  transition: all 0.18s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.likert-btn:hover {
  border-color: var(--navy);
  background: var(--light-dark);
}

.likert-btn.selected {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.likert-btn.selected .likert-num { color: var(--amber); }

.likert-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}

.likert-label {
  font-size: 10px;
  color: var(--text-light);
  line-height: 1.2;
}

.likert-btn.selected .likert-label { color: rgba(255,255,255,0.7); }

/* Múltipla escolha */
.options-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.option-btn {
  background: var(--light);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  text-align: left;
  font-size: 14px;
  color: var(--text);
  transition: all 0.18s;
}

.option-btn:hover {
  border-color: var(--navy);
  background: var(--light-dark);
}

.option-btn.selected {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

/* Sim/Não */
.simnao-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.simnao-btn {
  background: var(--light);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-mid);
  transition: all 0.18s;
}

.simnao-btn:hover { border-color: var(--navy); }

.simnao-btn.selected {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

/* Navegação quiz */
.quiz-nav {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  align-items: center;
}

.quiz-nav .btn-primary { flex: 1; }

.validation-message {
  background: #FFF7ED;
  border: 1px solid #FDE68A;
  border-radius: var(--radius);
  color: #92400E;
  font-size: 13px;
  padding: 10px 16px;
  margin-top: 12px;
  text-align: center;
}

.error-message {
  background: #FEF2F2;
  border: 1px solid #FCA5A5;
  border-radius: var(--radius);
  color: #991B1B;
  font-size: 13px;
  padding: 10px 16px;
  margin-top: 12px;
  text-align: center;
}

/* Loading */
.loading-state {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 60px 32px;
  text-align: center;
  box-shadow: var(--shadow);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--navy);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-text {
  font-size: 17px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}

.loading-sub { font-size: 13px; color: var(--text-light); }

/* ============================================================
   RESULTADO
   ============================================================ */
.resultado-main {
  flex: 1;
  padding: 16px 0 60px;
}

.result-hero {
  text-align: center;
  margin-bottom: 32px;
}

.result-congrats {
  display: inline-block;
  color: var(--amber);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.result-hero h1 {
  font-size: clamp(22px, 4vw, 32px);
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.3;
}

.result-hero .result-subtitle {
  color: var(--text-light);
  font-size: 14px;
}

.result-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--navy);
  padding: 20px 0;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-copy {
  color: rgba(255,255,255,0.3);
  font-size: 11px;
}

/* ============================================================
   UTILS
   ============================================================ */
.text-center { text-align: center; }
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .form-card { padding: 28px 20px; }
  .hero { padding: 40px 0; }
  .hero h1 { font-size: 26px; }
  .likert-scale { gap: 4px; }
  .likert-btn { padding: 12px 4px; }
  .likert-num { font-size: 16px; }
  .likert-label { font-size: 9px; }
}

/* ---- Opcoes A-E com badge de letra ---- */
.option-btn {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.option-letra {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  transition: background 0.18s;
}

.option-btn.selected .option-letra {
  background: var(--amber);
  color: var(--navy);
}

.option-texto {
  flex: 1;
  line-height: 1.5;
  padding-top: 3px;
}