/**
 * Zenttaix - Main Stylesheet
 * Modulos, Reset, Componentes Interativos (Calculadora ROI, Simulador de Fluxos, Métricas, FAQ) e Scrollbar
 */

/* Import de Fontes Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

/* Imports dos Módulos Especializados */
@import url("./variables.css");
@import url("./header.css");
@import url("./hero.css");
@import url("./buttons.css");
@import url("./waves.css");
@import url("./animations.css");
@import url("./responsive.css");

/* CSS Reset Avançado */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 10px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-background);
  color: var(--color-text-primary);
  font-family: var(--font-family-primary);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* Custom Scrollbar com Gradiente */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #03070d;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-green), var(--color-teal), var(--color-blue));
  border-radius: 5px;
  border: 2px solid #03070d;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gradient-brand-vertical);
}

/* Seções Gerais da Página */
.content-section {
  position: relative;
  padding: 6.5rem 0;
  background-color: var(--color-background-section);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.content-section:nth-child(even) {
  background-color: var(--color-background-soft);
}

.section-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-teal);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  padding: 0.35rem 1rem;
  background: rgba(53, 185, 165, 0.08);
  border-radius: var(--radius-full);
  border: 1px solid rgba(53, 185, 165, 0.2);
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Card Grid & Glass Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.glass-card {
  position: relative;
  background: var(--gradient-card-glass);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  backdrop-filter: var(--glass-backdrop-filter);
  -webkit-backdrop-filter: var(--glass-backdrop-filter);
  transition: transform var(--transition-normal),
              border-color var(--transition-normal),
              box-shadow var(--transition-normal);
  overflow: hidden;
  transform-style: preserve-3d;
}

.glass-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card), 0 0 25px rgba(53, 185, 165, 0.15);
}

.glass-card:hover::before {
  opacity: 1;
}

.card-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(53, 185, 165, 0.1);
  border: 1px solid rgba(53, 185, 165, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-teal);
}

.card-icon-box svg {
  width: 28px;
  height: 28px;
}

.card-title {
  font-size: 1.35rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
}

.card-text {
  font-size: 0.975rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* Banner de Métricas Animadas */
.metrics-banner {
  padding: 3rem 0;
  background: rgba(10, 19, 32, 0.8);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.metric-number {
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.metric-label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

/* Calculadora Interativa de ROI */
.roi-calculator-card {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 3rem;
}

.roi-inputs {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.slider-title {
  font-size: 0.95rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.slider-value-badge {
  font-size: 1rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-teal);
  background: rgba(53, 185, 165, 0.12);
  padding: 0.2rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(53, 185, 165, 0.3);
}

.range-slider {
  width: 100%;
  height: 8px;
  -webkit-appearance: none;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  outline: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gradient-brand);
  cursor: pointer;
  box-shadow: 0 0 12px rgba(53, 185, 165, 0.6);
  transition: transform 0.15s ease;
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.roi-results-box {
  background: rgba(5, 11, 20, 0.8);
  border: 1px solid rgba(53, 185, 165, 0.3);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), inset 0 0 20px rgba(53, 185, 165, 0.08);
}

.roi-result-tag {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-green);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 0.5rem;
}

.roi-hours-display {
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.roi-hours-display span {
  font-size: 1.5rem;
  color: var(--color-teal);
}

.roi-money-estimate {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.roi-money-estimate strong {
  color: var(--color-green);
}

/* Simulador de Fluxos */
.simulator-container {
  max-width: 1000px;
  margin: 0 auto;
}

.simulator-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.sim-tab-btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-semibold);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.sim-tab-btn:hover,
.sim-tab-btn.active {
  background: rgba(53, 185, 165, 0.15);
  border-color: var(--color-teal);
  color: var(--color-text-primary);
  box-shadow: 0 0 15px rgba(53, 185, 165, 0.2);
}

.sim-display-card {
  background: rgba(8, 17, 30, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(16px);
}

.flow-nodes-wrapper {
  display: grid;
  grid-template-columns: 1fr auto 1.2fr auto 1fr;
  align-items: center;
  gap: 1.25rem;
}

.flow-node {
  background: rgba(5, 11, 20, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  text-align: center;
  position: relative;
  transition: border-color 0.3s ease;
}

.flow-node.active-node {
  border-color: var(--color-green);
  box-shadow: 0 0 20px rgba(143, 209, 79, 0.2);
}

.node-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(53, 185, 165, 0.15);
  color: var(--color-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem auto;
}

.node-title {
  font-size: 0.9rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.node-sub {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.flow-arrow {
  color: var(--color-teal);
  font-size: 1.5rem;
  animation: pulseArrow 1.5s infinite ease-in-out;
}

/* FAQ Accordion */
.faq-wrapper {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  background: var(--gradient-card-glass);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq-item.is-open {
  border-color: rgba(53, 185, 165, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(53, 185, 165, 0.15);
}

.faq-question {
  width: 100%;
  padding: 1.5rem 1.75rem;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-family: var(--font-family-primary);
  font-size: 1.1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  cursor: pointer;
  outline: none;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-teal);
  transition: transform var(--transition-normal), background-color var(--transition-normal);
  flex-shrink: 0;
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
  background: rgba(53, 185, 165, 0.2);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s ease;
  padding: 0 1.75rem;
}

.faq-item.is-open .faq-answer {
  max-height: 300px;
  padding: 0 1.75rem 1.5rem 1.75rem;
}

.faq-answer p {
  font-size: 0.975rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* Contact / Form Styles */
.form-card {
  max-width: 640px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.85rem 1.25rem;
  background: rgba(5, 11, 20, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-family-primary);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(53, 185, 165, 0.2);
}

/* Form Alert Statuses - OCULTOS POR PADRÃO (Oculta caixas vazias no formulário) */
.form-alert {
  display: none !important;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  transition: opacity var(--transition-fast);
}

.form-alert.is-visible {
  display: block !important;
}

.form-alert.is-success {
  background: rgba(143, 209, 79, 0.15);
  border: 1px solid rgba(143, 209, 79, 0.4);
  color: #a3e662;
}

.form-alert.is-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

/* Footer Styles */
.footer {
  background-color: #03070d;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 4rem 0 2rem 0;
  margin-top: auto;
}

.footer-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand-desc {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-column-title {
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-teal);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}