/* ==========================================================================
   I-GO CONTABILIDADE INTEGRADA LTDA
   Componentes Reutilizáveis - Identidade Visual: Preto + Vermelho + Branco + Cinza
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Header & Navegação
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

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

.brand-logo img {
  display: block;
  height: 52px;
  width: auto;
  max-height: 52px;
}

.brand-logo-text {
  font-size: 1.5rem;
  font-weight: var(--font-weight-extrabold);
  letter-spacing: -0.03em;
  color: var(--color-text-title);
  line-height: 1.1;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.brand-logo-text .accent-red {
  color: var(--color-red-primary);
}

.brand-tagline {
  font-size: 0.625rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.brand-provisional-tag {
  display: inline-block;
  font-size: 0.6rem;
  color: #F59E0B;
  background: rgba(245, 158, 11, 0.1);
  padding: 1px 4px;
  border-radius: 2px;
  margin-top: 2px;
  max-width: fit-content;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  padding: var(--spacing-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-text-title);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-red-primary);
  border-radius: 2px;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Menu Mobile */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-title);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.mobile-menu-toggle:hover {
  background-color: var(--color-bg-elevated);
  border-color: var(--color-border-light);
}

/* --------------------------------------------------------------------------
   2. Botões & CTAs
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-red-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-red);
}

.btn-primary:hover {
  background-color: var(--color-red-hover);
  color: #FFFFFF;
  box-shadow: var(--shadow-red-hover);
  transform: translateY(-2px);
}

.btn-primary:active {
  background-color: var(--color-red-active);
  transform: translateY(0);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-text-title);
  border-color: var(--color-border-light);
}

.btn-outline:hover {
  background-color: var(--color-bg-elevated);
  border-color: var(--color-red-accent);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

/* --------------------------------------------------------------------------
   3. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding-top: calc(var(--spacing-4xl) * 0.8);
  padding-bottom: var(--spacing-4xl);
  background: radial-gradient(circle at 85% 15%, rgba(229, 9, 20, 0.12) 0%, transparent 55%),
              radial-gradient(circle at 10% 90%, rgba(229, 9, 20, 0.05) 0%, transparent 45%),
              var(--color-bg-base);
  border-bottom: 1px solid var(--color-border-subtle);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge-container {
  margin-bottom: var(--spacing-md);
}

.hero-title {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-title);
  line-height: 1.15;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.025em;
}

.hero-title .highlight {
  color: var(--color-red-accent);
  position: relative;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
  max-width: 620px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.hero-trust-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-subtle);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.trust-item svg {
  color: var(--color-red-primary);
  flex-shrink: 0;
}

.hero-card-preview {
  position: relative;
  z-index: 2;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
}

.hero-card-preview::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 20%;
  right: 20%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-red-primary), transparent);
}

/* --------------------------------------------------------------------------
   4. Cards e Grids de Serviços
   -------------------------------------------------------------------------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(229, 9, 20, 0.4);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.8), 0 0 20px rgba(229, 9, 20, 0.1);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--color-red-subtle);
  border: 1px solid rgba(229, 9, 20, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-red-primary);
  margin-bottom: var(--spacing-lg);
  flex-shrink: 0;
}

.card-title {
  font-size: 1.25rem;
  color: var(--color-text-title);
  margin-bottom: var(--spacing-sm);
}

.card-text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-red-accent);
  margin-top: auto;
}

.card-link:hover {
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   5. Formulários de Lead & Contato
   -------------------------------------------------------------------------- */
.form-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-title);
  margin-bottom: var(--spacing-xs);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-text-title);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-red-primary);
  box-shadow: 0 0 0 3px rgba(229, 9, 20, 0.2);
  outline: none;
}

.form-control::placeholder {
  color: var(--color-text-muted);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  line-height: 1.45;
}

.form-checkbox {
  margin-top: 0.2rem;
  accent-color: var(--color-red-primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.form-feedback {
  display: none;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-md);
  font-size: 0.9rem;
}

.form-feedback.success {
  display: block;
  background-color: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34D399;
}

.form-feedback.error {
  display: block;
  background-color: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #F87171;
}

/* Campo Honeypot para evitar spam automatizado */
.sr-only-honeypot {
  position: absolute !important;
  left: -9999px !important;
  top: -9999px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* --------------------------------------------------------------------------
   6. FAQ Accordion
   -------------------------------------------------------------------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

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

.faq-item.active {
  border-color: var(--color-border-light);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  background: transparent;
  border: none;
  color: var(--color-text-title);
  font-size: 1.05rem;
  font-weight: var(--font-weight-semibold);
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  width: 24px;
  height: 24px;
  color: var(--color-red-primary);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out;
  padding: 0 var(--spacing-lg);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-bottom: var(--spacing-lg);
}

.faq-answer p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin: 0;
}

/* --------------------------------------------------------------------------
   7. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: #050505;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--spacing-3xl);
  padding-bottom: var(--spacing-2xl);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-col h4 {
  font-size: 1rem;
  color: var(--color-text-title);
  margin-bottom: var(--spacing-lg);
  position: relative;
  padding-bottom: var(--spacing-xs);
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background-color: var(--color-red-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-link {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-red-accent);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.footer-contact-item svg {
  color: var(--color-red-primary);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.footer-legal-links {
  display: flex;
  gap: var(--spacing-md);
}

/* --------------------------------------------------------------------------
   8. Banner e Modal de Cookies (LGPD)
   -------------------------------------------------------------------------- */
.cookie-banner {
  position: fixed;
  bottom: var(--spacing-lg);
  left: var(--spacing-lg);
  right: var(--spacing-lg);
  max-width: 520px;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-light);
  border-left: 4px solid var(--color-red-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  z-index: 9990;
  display: none;
  animation: slideUp 0.3s ease-out forwards;
}

.cookie-banner.visible {
  display: block;
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.cookie-banner-title {
  font-size: 1rem;
  color: var(--color-text-title);
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cookie-banner-text {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
}

.cookie-banner-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   9. Responsividade
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-lg {
    width: 100%;
  }

  .cookie-banner {
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    bottom: var(--spacing-sm);
  }
}