/* Header Styles */
#header-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  width: 100%;
  background: var(--bg-secondary);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.site-header {
  padding: var(--spacing-md) 0;
  width: 100%;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo {
  height: 60px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  margin: 0;
  padding: 0;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  height: auto;
}

.nav-list li {
  display: flex;
  align-items: center;
  height: auto;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.nav-link:hover {
  color: var(--color-accent);
  background: rgba(0, 212, 255, 0.1);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

@media (max-width: 1200px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .nav-list {
    position: fixed;
    top: 93px;
    left: 0;
    right: 0;
    height: calc(100vh - 93px);
    background: var(--bg-primary);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--spacing-2xl);
    gap: var(--spacing-lg);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: var(--z-mobile-nav);
    align-items: flex-start;
    justify-content: flex-start;
    overflow-y: auto;
  }
  
  .nav-list.active {
    transform: translateX(0);
  }
  
  .nav-link {
    font-size: var(--font-size-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    display: block;
    transition: all var(--transition-base);
  }
  
  .nav-link:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--border-color-hover);
    color: var(--color-accent);
  }
}