/* ===== LAYOUT E ESTRUTURA - GRUPO AC ===== */

/* Container principal */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-sm);
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Grid system */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Flexbox utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-start {
  justify-content: flex-start;
}

.justify-end {
  justify-content: flex-end;
}

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Header fixo */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--branco);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all var(--transition-fast);
}

.header.scrolled {
  box-shadow: var(--shadow-subtle);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  min-height: 80px;
  gap: var(--spacing-lg);
}

.logo-container {
  flex-shrink: 0;
}

.logo {
  height: 50px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}

/* Navegação principal */
.nav-main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-xs);
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--preto-texto);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  white-space: nowrap;
  height: 44px;
  box-sizing: border-box;
}

.nav-link:hover {
  background-color: rgba(48, 96, 152, 0.05);
  color: var(--azul-primario);
}

.nav-link.active {
  color: var(--azul-primario);
  background-color: rgba(48, 96, 152, 0.1);
}

/* Mega menu */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--branco);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-card);
  box-shadow: var(--shadow-elevated);
  padding: var(--spacing-md);
  min-width: 400px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
}

.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.mega-menu-item {
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast);
}

.mega-menu-item:hover {
  background-color: rgba(48, 96, 152, 0.05);
}

.mega-menu-title {
  font-weight: 600;
  color: var(--azul-primario);
  margin-bottom: var(--spacing-xs);
}

.mega-menu-desc {
  font-size: 0.875rem;
  color: #666;
}

/* CTAs do header */
.header-ctas {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.header-ctas .btn {
  height: 44px;
  padding: 0 var(--spacing-md);
  font-size: 0.95rem;
  font-weight: 500;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.header-ctas .btn svg {
  width: 16px;
  height: 16px;
}

/* Menu mobile */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--spacing-xs);
  cursor: pointer;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--branco);
  z-index: 999;
  padding: var(--spacing-md);
  overflow-y: auto;
}

.mobile-menu.active {
  display: block;
}

.mobile-nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav-item {
  border-bottom: 1px solid var(--border-color);
}

.mobile-nav-link {
  display: block;
  padding: var(--spacing-sm) 0;
  color: var(--preto-texto);
  font-weight: 500;
  text-decoration: none;
}

/* Main content */
.main {
  margin-top: 80px; /* Altura do header fixo */
  min-height: calc(100vh - 80px);
}

/* Seções */
.section {
  padding: var(--spacing-xxl) 0;
}

.section-sm {
  padding: var(--spacing-xl) 0;
}

.section-lg {
  padding: 120px 0;
}

.section-hero {
  padding: 120px 0 var(--spacing-xxl) 0;
  background: linear-gradient(135deg, rgba(48, 96, 152, 0.05) 0%, rgba(240, 176, 72, 0.05) 100%);
}

/* Footer */
.footer {
  background: var(--preto-texto);
  color: var(--branco);
  padding: var(--spacing-xxl) 0 var(--spacing-md) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
  color: var(--branco);
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: #ccc;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--dourado-acento);
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: var(--spacing-md);
  text-align: center;
  color: #999;
  font-size: 0.875rem;
}

/* Breadcrumb */
.breadcrumb {
  padding: var(--spacing-sm) 0;
  background: rgba(48, 96, 152, 0.02);
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-xs);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.breadcrumb-item:not(:last-child)::after {
  content: '/';
  color: #999;
}

.breadcrumb-link {
  color: var(--azul-primario);
  text-decoration: none;
  font-size: 0.875rem;
}

.breadcrumb-current {
  color: #666;
  font-size: 0.875rem;
}

/* Responsividade */
@media (max-width: 1024px) {
  .container {
    max-width: 100%;
    padding: 0 var(--spacing-md);
  }
  
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .nav-menu {
    gap: var(--spacing-sm);
  }
}

@media (max-width: 768px) {
  .header-content {
    min-height: 70px;
  }
  
  .main {
    margin-top: 70px;
  }
  
  .nav-main {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .mobile-menu {
    top: 70px;
  }
  
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .section-hero {
    padding: var(--spacing-xxl) 0;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .container, .container-fluid, .container-wide {
    padding: 0 var(--spacing-sm);
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
  
  .section-hero {
    padding: var(--spacing-xl) 0;
  }
}