/* =============================================================
   Quiz Tampico y Ciudad Madero — Estilos
   Identidad visual: la Aduana Marítima de Tampico (1827–1902),
   el río Pánuco y el golfo. Paleta de "petróleo" y latón de
   herrería, con un sello de aduana como elemento de feedback.
   ============================================================= */

.qtm-quiz {
  --qtm-teal-deep: #025393;
  --qtm-teal-bright: #f6ce46;
  --qtm-sand: #E8C77E;
  --qtm-terracotta: #eb539f;
  --qtm-cream: #F6EFE3;
  --qtm-ink: #1A1A1A;

  --qtm-font-display: 'Playfair Display', Georgia, serif;
  --qtm-font-body: 'Work Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --qtm-font-mono: 'JetBrains Mono', 'Courier New', monospace;

  box-sizing: border-box;
  max-width: 640px;
  margin: 2.5rem auto;
  background: var(--qtm-cream);
  color: var(--qtm-ink);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 18px 40px -20px rgba(11, 79, 74, 0.45);
  font-family: var(--qtm-font-body);
  line-height: 1.5;
}

.qtm-quiz *,
.qtm-quiz *::before,
.qtm-quiz *::after {
  box-sizing: inherit;
}

/* ---------- Encabezado tipo "registro de aduana" ---------- */
.qtm-header {
  background: linear-gradient(135deg, var(--qtm-teal-deep), #0d6862);
  color: var(--qtm-cream);
  padding: 1.75rem 1.75rem 1.25rem;
  position: relative;
  border-bottom: 4px solid var(--qtm-sand);
}

.qtm-eyebrow {
  font-family: var(--qtm-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--qtm-sand);
  margin: 0 0 0.35rem;
}

.qtm-title {
  font-family: var(--qtm-font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 5vw, 1.9rem);
  margin: 0;
  line-height: 1.15;
}

/* ---------- Barra de progreso (muelle numerado) ---------- */
.qtm-progress-track {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1rem;
}

.qtm-progress-bar {
  flex: 1;
  height: 8px;
  border-radius: 999px;
  background: rgba(246, 239, 227, 0.25);
  overflow: hidden;
}

.qtm-progress-fill {
  height: 100%;
  background: var(--qtm-sand);
  border-radius: 999px;
  transition: width 0.35s ease;
}

.qtm-progress-label {
  font-family: var(--qtm-font-mono);
  font-size: 0.78rem;
  color: var(--qtm-cream);
  white-space: nowrap;
}

/* ---------- Cuerpo ---------- */
.qtm-body {
  padding: 1.75rem;
}

.qtm-question {
  font-family: var(--qtm-font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0 0 1.25rem;
}

.qtm-options {
  display: grid;
  gap: 0.65rem;
}

.qtm-option {
  text-align: left;
  width: 100%;
  border: 2px solid rgba(11, 79, 74, 0.18);
  background: #ffffff;
  color: var(--qtm-ink);
  font-family: var(--qtm-font-body);
  font-size: 0.98rem;
  font-weight: 500;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.1s ease, background 0.15s ease;
}

.qtm-option:hover:not(:disabled) {
  border-color: var(--qtm-teal-bright);
  transform: translateY(-1px);
}

.qtm-option:focus-visible {
  outline: 3px solid var(--qtm-teal-bright);
  outline-offset: 2px;
}

.qtm-option:disabled {
  cursor: default;
}

.qtm-option.is-correct {
  border-color: var(--qtm-teal-bright);
  background: rgba(63, 182, 168, 0.14);
}

.qtm-option.is-wrong {
  border-color: var(--qtm-terracotta);
  background: rgba(199, 93, 61, 0.1);
}

/* ---------- Sello de retroalimentación (estilo aduana) ---------- */
.qtm-stamp-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 1.1rem;
  border-top: 1px dashed rgba(11, 79, 74, 0.25);
}

.qtm-stamp {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 3px double currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--qtm-font-mono);
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-align: center;
  text-transform: uppercase;
  transform: rotate(-9deg);
}

.qtm-stamp.is-correct { color: var(--qtm-teal-deep); }
.qtm-stamp.is-wrong { color: var(--qtm-terracotta); }

.qtm-fact {
  font-size: 0.92rem;
  margin: 0;
}

.qtm-fact strong {
  display: block;
  font-family: var(--qtm-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--qtm-teal-deep);
  margin-bottom: 0.25rem;
}

/* ---------- Botones de acción ---------- */
.qtm-btn {
  display: inline-block;
  font-family: var(--qtm-font-body);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  background: var(--qtm-teal-deep);
  color: var(--qtm-cream);
  transition: transform 0.1s ease, background 0.15s ease;
}

.qtm-btn:hover {
  background: #0d6862;
  transform: translateY(-1px);
}

.qtm-btn:focus-visible {
  outline: 3px solid var(--qtm-teal-bright);
  outline-offset: 2px;
}

.qtm-btn-row {
  margin-top: 1.25rem;
  display: flex;
  justify-content: flex-end;
}

/* ---------- Pantalla de inicio ---------- */
.qtm-intro p {
  margin: 0 0 1.25rem;
  font-size: 0.98rem;
}

.qtm-intro .qtm-btn-row {
  justify-content: flex-start;
}

/* ---------- Pantalla de resultados (estilo "diploma") ---------- */
.qtm-results {
  text-align: center;
}

.qtm-results-score {
  font-family: var(--qtm-font-mono);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--qtm-teal-deep);
  margin: 0.25rem 0 0.1rem;
}

.qtm-results-rank {
  font-family: var(--qtm-font-display);
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0 0 0.75rem;
}

.qtm-results-best {
  font-family: var(--qtm-font-mono);
  font-size: 0.78rem;
  color: rgba(26, 26, 26, 0.6);
  margin: 0 0 1.25rem;
}

.qtm-results .qtm-btn-row {
  justify-content: center;
}

/* ---------- Responsivo ---------- */
@media (max-width: 480px) {
  .qtm-quiz {
    margin: 1.25rem 0;
    border-radius: 10px;
  }
  .qtm-header,
  .qtm-body {
    padding: 1.25rem;
  }
}

/* ---------- Respeto a "reducir movimiento" ---------- */
@media (prefers-reduced-motion: reduce) {
  .qtm-quiz * {
    transition: none !important;
  }
}