/* ==========================================================================
   EEI - En-tête & Menu Navigation (header.css)
   ========================================================================== */

/* Header Wrapper */
.site-header {
  width: 100%;
  background-color: var(--primary-navy);
  position: sticky;
  top: 0;
  z-index: 900;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.main-header {
  padding: 14px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* Brand Logo (Circular Icon + Text) */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-img {
  height: 68px;
  width: auto;
  flex-shrink: 0;
}

.logo-text-wrapper {
  display: flex;
  flex-direction: column;
}

.brand-name {
  color: #FFFFFF;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.5px;
}

.brand-tagline {
  color: var(--accent-gold);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  line-height: 1.2;
}

/* Navigation Links Desktop */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  padding: 6px 0;
  position: relative;
  transition: color 0.25s ease;
  text-decoration: none;
}

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

.nav-link.active {
  color: var(--accent-gold);
  font-weight: 600;
}

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

/* Header Actions Right (Language & Search) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.lang-selector {
  display: flex;
  align-items: center;
  gap: 4px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: color 0.2s ease;
}

.lang-selector:hover {
  color: #FFFFFF;
}

.lang-active {
  color: #FFFFFF;
  font-weight: 700;
}

.lang-divider {
  color: rgba(255, 255, 255, 0.3);
}

.lang-option {
  color: rgba(255, 255, 255, 0.6);
}

.search-btn {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.search-btn:hover {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.1);
}

/* Hamburger Toggle Button (Mobile) */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px;
  flex-direction: column;
  gap: 5px;
  z-index: 950;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #FFFFFF;
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer Menu */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(6, 19, 41, 0.7);
  backdrop-filter: blur(4px);
  z-index: 920;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100vh;
  background-color: var(--primary-navy);
  z-index: 930;
  padding: 80px 24px 30px;
  box-shadow: var(--shadow-lg);
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.mobile-drawer.active {
  right: 0;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav-link {
  font-size: 1.05rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: color 0.2s ease;
  text-decoration: none;
}

.mobile-nav-link.active,
.mobile-nav-link:hover {
  color: var(--accent-gold);
  border-bottom-color: var(--accent-gold);
}

/* Search Overlay Modal */
.search-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(6, 19, 41, 0.9);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.search-modal.active {
  opacity: 1;
  visibility: visible;
}

.search-box {
  width: 90%;
  max-width: 550px;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 16px 50px 16px 22px;
  font-size: 1.1rem;
  border: 2px solid var(--accent-gold);
  border-radius: 20px;
  outline: none;
  background-color: #FFFFFF;
  color: var(--primary-navy);
  font-family: var(--font-main);
}

.search-box-close {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
}

/* Responsive Media Queries */
@media (max-width: 900px) {
  .nav-menu {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .brand-tagline {
    font-size: 0.5rem;
  }
}