/* ==========================================================================
   PERES & CO LTDA — COMPONENTES DE DESIGN SYSTEM
   Engenharia de interface com foco tátil, precisão de telemetria e acabamento
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Barra de Navegação Compacta e Flutuante
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), padding var(--transition-normal);
}

.site-header.is-scrolled {
  background-color: var(--bg-dark-overlay);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-3) 0;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: var(--text-base);
}

.brand-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--signal-blue-600), var(--signal-blue-800));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 12px var(--signal-blue-subtle);
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-left: var(--space-1);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
}

.header-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  background-color: rgba(255, 255, 255, 0.04);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: var(--status-active);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--status-active-glow);
  animation: pulse-dot 2.5s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

/* --------------------------------------------------------------------------
   2. Botões com Feedback Tátil e Micro-Reflexos
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  user-select: none;
}

.btn:active {
  transform: translateY(1px) scale(0.99);
}

.btn-primary {
  background-color: var(--signal-blue-600);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn-primary:hover {
  background-color: var(--signal-blue-500);
  box-shadow: 0 4px 16px var(--signal-blue-glow), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-light {
  background-color: var(--text-light-primary);
  color: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.btn-light:hover {
  background-color: #1E293B;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: var(--text-xs);
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: var(--text-base);
}

/* --------------------------------------------------------------------------
   3. Badges Técnicas de Telemetria
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
  width: fit-content;
}

.badge-blue {
  background-color: var(--signal-blue-subtle);
  color: var(--signal-blue-300);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-dark {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.badge-light {
  background-color: #E2E8F0;
  color: var(--text-light-secondary);
  border: 1px solid #CBD5E1;
}

/* --------------------------------------------------------------------------
   4. Hero Operational Simulator Map (Fluxo Interativo de Engenharia)
   -------------------------------------------------------------------------- */
.operational-system-map {
  background-color: var(--bg-dark-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: relative;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.system-map-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
}

.map-telemetry {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.flow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 900px) {
  .flow-grid {
    grid-template-columns: 1fr auto 1fr auto 1.15fr;
    align-items: center;
  }
}

.flow-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-ghost);
  padding: var(--space-2) 0;
}

.connector-pulse {
  width: 100%;
  height: 2px;
  background-color: var(--border-subtle);
  position: relative;
  overflow: hidden;
}

@media (min-width: 900px) {
  .connector-pulse {
    width: 28px;
  }
}

.connector-pulse::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--signal-blue-400), transparent);
  animation: signal-stream 2.2s infinite ease-in-out;
}

@keyframes signal-stream {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Nós do Simulador */
.flow-node {
  background-color: var(--bg-dark-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  position: relative;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.flow-node.is-active {
  border-color: var(--signal-blue-500);
  box-shadow: 0 0 16px rgba(37, 99, 235, 0.2);
}

.node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.node-title {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.node-content {
  font-size: var(--text-sm);
}

/* Detalhe do canal WhatsApp simulado */
.chat-bubble {
  background-color: #122117;
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  font-size: var(--text-xs);
  color: #D1FAE5;
  margin-bottom: var(--space-2);
}

.audio-preview {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid rgba(34, 197, 94, 0.15);
}

.audio-wave {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 14px;
}

.wave-bar {
  width: 2px;
  background-color: #34D399;
  border-radius: 1px;
  animation: wave-bounce 1.2s infinite ease-in-out alternate;
}

.wave-bar:nth-child(2) { animation-delay: 0.2s; height: 12px; }
.wave-bar:nth-child(3) { animation-delay: 0.4s; height: 8px; }
.wave-bar:nth-child(4) { animation-delay: 0.1s; height: 14px; }
.wave-bar:nth-child(5) { animation-delay: 0.3s; height: 10px; }

@keyframes wave-bounce {
  0% { transform: scaleY(0.4); }
  100% { transform: scaleY(1); }
}

/* Detalhe do Gateway de IA */
.ai-processing-tag {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--signal-blue-300);
  background-color: var(--signal-blue-subtle);
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

/* Detalhe do Painel Web */
.dashboard-mini-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: var(--text-xs);
}

.dashboard-mini-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.map-controls {
  margin-top: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
}

.sim-output-note {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   5. Cards Assimétricos e Fichas Técnicas
   -------------------------------------------------------------------------- */
.tech-card {
  background-color: var(--bg-soft-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: relative;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.tech-card:hover {
  border-color: var(--border-medium);
  background-color: var(--bg-soft-card-hover);
}

.card-numeral {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--signal-blue-400);
  margin-bottom: var(--space-3);
  display: block;
}

.card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.card-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   6. Acordeão do FAQ Acessível
   -------------------------------------------------------------------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background-color: var(--bg-soft-card);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.is-open {
  border-color: rgba(96, 165, 250, 0.35);
  background-color: var(--bg-soft-card-hover);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  text-align: left;
  color: var(--text-primary);
  font-size: var(--text-base);
  font-weight: 600;
  gap: var(--space-4);
  transition: color var(--transition-fast);
}

.faq-trigger:hover {
  color: var(--signal-blue-300);
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
  color: var(--signal-blue-400);
}

.faq-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 250ms cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.is-open .faq-panel {
  grid-template-rows: 1fr;
}

.faq-content {
  overflow: hidden;
}

.faq-body {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   7. Briefing Interativo & Painel de Prontidão
   -------------------------------------------------------------------------- */
.briefing-widget {
  background-color: var(--bg-dark-base);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-2xl);
  padding: clamp(1.5rem, 5vw, 3rem);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.briefing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 960px) {
  .briefing-grid {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }
}

.briefing-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-group-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.selection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-2);
}

.choice-chip {
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-dark-surface);
  color: var(--text-secondary);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  text-align: center;
  transition: all var(--transition-fast);
  cursor: pointer;
  user-select: none;
}

.choice-chip:hover {
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.choice-chip.is-selected {
  border-color: var(--signal-blue-500);
  background-color: var(--signal-blue-subtle);
  color: #FFFFFF;
  font-weight: 600;
}

.briefing-card-summary {
  background-color: var(--bg-dark-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: relative;
}

.readiness-score-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}

.score-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--signal-blue-300);
}

.summary-preformatted {
  background-color: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  white-space: pre-wrap;
  margin-bottom: var(--space-5);
  line-height: 1.5;
  min-height: 120px;
}