/**
 * Aurum Blog - Header & Top Bar Navigation
 * Coerente com a identidade visual de imoveisaurum.com, gerencial e administrativo
 */

.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background-color: #0F1014; /* Escuro oficial conforme as referências Aurum */
  border-bottom: 1px solid rgba(197, 160, 89, 0.25);
  z-index: 900;
  transition: all var(--transition-fast);
}

.site-header.scrolled {
  background-color: rgba(15, 16, 20, 0.98);
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.4);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1.25rem;
}

/* Zone 1: Logo Oficial Aurum Blog */
.brand-zone {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #FFFFFF;
}

.brand-logo-lockup {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.aurum-official-symbol {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.45));
}

.brand-text-block {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-aurum-title {
  font-family: var(--font-brand, 'Cinzel', serif);
  font-size: 1.38rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 0.95;
  color: #C9A24D;
  background: linear-gradient(135deg, #F5E4B3 0%, #C9A24D 50%, #9E782F 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

.brand-subtitle-line-wrapper {
  display: flex;
  align-items: center;
  width: 100%;
  margin-top: 0.32rem;
  gap: 0.35rem;
}

.brand-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(160, 121, 45, 0.6), #C9A24D);
  opacity: 0.9;
}

.brand-line:last-child {
  background: linear-gradient(90deg, #C9A24D, rgba(160, 121, 45, 0.6));
}

.brand-blog-subtitle {
  font-family: var(--font-sans);
  font-size: 0.56rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: #E2E8F0; /* Apenas o texto BLOG em prata */
  text-shadow: 0 0 6px rgba(226, 232, 240, 0.25);
  line-height: 1;
  padding-left: 0.28em;
  white-space: nowrap;
  display: block;
}

/* Zone 2: Navigation Links */
.nav-zone {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: #D1D5DB;
  position: relative;
  padding: 0.5rem 0;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: #FFFFFF;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-gold);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Zone 3: Actions */
.action-zone {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}

.search-trigger-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #D1D5DB;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-fast);
}

.search-trigger-btn:hover {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.12);
  border-color: var(--color-gold);
}

.btn-header-cta {
  font-size: var(--text-xs);
  padding: 0.65rem 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background-color: var(--color-gold);
  color: #121316;
  border: 1px solid var(--color-gold);
}

.btn-header-cta:hover {
  background-color: #E2CE9F;
  border-color: #E2CE9F;
  color: #0F1014;
}

/* Mobile Menu Toggle Button */
.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.05);
}

/* Mobile Navigation Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(10, 11, 14, 0.75);
  backdrop-filter: blur(6px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition-normal);
}

.mobile-drawer.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-drawer-content {
  position: absolute;
  top: 0;
  right: 0;
  width: min(85vw, 360px);
  height: 100%;
  background-color: #131419;
  border-left: 1px solid rgba(197, 160, 89, 0.25);
  box-shadow: var(--shadow-xl);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
}

.mobile-drawer.open .mobile-drawer-content {
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 1.25rem;
}

.mobile-drawer-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9CA3AF;
  border-radius: var(--radius-sm);
}

.mobile-search-input {
  width: 100%;
  padding: 0.65rem 2.2rem 0.65rem 0.85rem;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  font-size: var(--text-sm);
  outline: none;
}

.mobile-search-input:focus {
  border-color: var(--color-gold);
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-nav-link {
  display: block;
  padding: 0.65rem 0.5rem;
  font-size: var(--text-base);
  font-weight: 500;
  color: #E5E7EB;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--color-gold);
  background-color: rgba(255, 255, 255, 0.03);
}