/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-secondary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  z-index: 100;
  transition: top var(--duration-fast);
  font-weight: 500;
}

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

/* Header Layout */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

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

/* Logo */
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: opacity var(--duration-fast);
}

.logo:hover {
  opacity: 0.9;
}

.logo__text {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation */
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-secondary-light));
  transition: width var(--duration-base);
}

.nav-list a:hover,
.nav-list a:focus {
  color: var(--color-text);
}

.nav-list a:hover::after,
.nav-list a:focus::after {
  width: 100%;
}

.nav-cta {
  background-color: transparent;
  border: 1px solid var(--color-secondary);
  color: var(--color-secondary) !important;
  padding: var(--space-2) var(--space-4) !important;
  border-radius: var(--radius-md);
  transition: all var(--duration-base) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover,
.nav-cta:focus {
  background-color: var(--color-secondary);
  color: var(--color-bg) !important;
  box-shadow: var(--shadow-gold);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 60;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  position: relative;
  transition: background-color var(--duration-fast);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--duration-base);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  top: 8px;
}

/* Mobile Styles */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--color-bg-elevated);
    flex-direction: column;
    align-items: flex-start;
    padding: calc(80px + var(--space-8)) var(--space-6) var(--space-6);
    gap: 0;
    transition: right var(--duration-base) var(--ease-out);
    border-left: 1px solid rgba(212, 175, 55, 0.1);
  }
  
  .nav-list[data-open="true"] {
    right: 0;
  }
  
  .nav-list li {
    width: 100%;
    border-bottom: 1px solid var(--color-neutral-800);
  }
  
  .nav-list a {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--text-lg);
  }
  
  .nav-cta {
    margin-top: var(--space-4);
    text-align: center;
    width: 100%;
  }
  
  .mobile-menu-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
  }
  
  .mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg);
    top: 0;
  }
  
  .mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg);
    top: 0;
  }
}