/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-gold);
  color: var(--color-bg-primary);
  padding: 8px 16px;
  z-index: 10000;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

/* Header Layout */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

/* Logo Styling */
.site-logo {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: color var(--transition-fast);
}

.site-logo:hover {
  color: var(--color-gold);
}

.logo-text {
  position: relative;
}

.logo-text::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

.site-logo:hover .logo-text::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Primary Navigation */
.primary-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: var(--space-8);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-gold);
}

.nav-link:hover::after,
.nav-link:focus::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-base);
  transform-origin: center;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .primary-nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-6);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    flex-direction: column;
  }
  
  .primary-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-list {
    flex-direction: column;
    gap: var(--space-4);
    width: 100%;
  }
  
  .nav-link {
    display: block;
    padding: var(--space-3) 0;
    font-size: var(--text-lg);
  }
  
  /* Hamburger Animation */
  .mobile-menu-toggle[aria-expanded="true"] .hamburger:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .mobile-menu-toggle[aria-expanded="true"] .hamburger:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-toggle[aria-expanded="true"] .hamburger:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* Focus States for Accessibility */
.mobile-menu-toggle:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}