/* ============================================
   NETMAX - Navigation & Header Styles
   ============================================ */

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  transition: all var(--transition-base);
  padding: var(--space-4) 0;
}

.site-header.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  padding: var(--space-2) 0;
}

.site-header.dark-header {
  background: transparent;
}

.site-header.dark-header.scrolled {
  background: var(--bg-glass-dark);
}

/* Header Container */
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (min-width: 640px) {
  .header-container {
    padding: 0 var(--space-8);
  }
}

@media (min-width: 1024px) {
  .header-container {
    padding: 0 var(--space-12);
  }
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.logo img {
  height: 48px;
  width: auto;
  transition: transform var(--transition-fast);
}

.logo:hover img {
  transform: scale(1.05);
}

.logo-text {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.dark-header .logo-text {
  color: var(--text-light);
}

.logo-text span {
  color: var(--primary-500);
}

/* Desktop Navigation */
.desktop-nav {
  display: none;
}

@media (min-width: 1024px) {
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }
}

.nav-link {
  position: relative;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.dark-header .nav-link {
  color: var(--text-muted);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-600);
  background: rgba(0, 96, 245, 0.08);
}

.dark-header .nav-link:hover,
.dark-header .nav-link.active {
  color: var(--primary-400);
  background: rgba(0, 96, 245, 0.15);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-500);
  transition: all var(--transition-base);
  transform: translateX(-50%);
  border-radius: var(--radius-full);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 60%;
}

/* Header CTA */
.header-cta {
  display: none;
}

@media (min-width: 1024px) {
  .header-cta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
  }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.dark-header .mobile-menu-toggle {
  color: var(--text-light);
}

.mobile-menu-toggle:hover {
  background: rgba(0, 96, 245, 0.1);
  color: var(--primary-600);
}

@media (min-width: 1024px) {
  .mobile-menu-toggle {
    display: none;
  }
}

/* Hamburger Icon */
.hamburger {
  width: 24px;
  height: 18px;
  position: relative;
  cursor: pointer;
}

.hamburger span {
  display: block;
  position: absolute;
  height: 2px;
  width: 100%;
  background: currentColor;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  left: 0;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 8px; }
.hamburger span:nth-child(3) { top: 16px; }

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
  top: 8px;
  transform: rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
  top: 8px;
  transform: rotate(-45deg);
}

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--white);
  z-index: var(--z-modal);
  padding: var(--space-24) var(--space-8) var(--space-8);
  transition: right var(--transition-slow);
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.mobile-nav-link {
  display: block;
  padding: var(--space-4) 0;
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--primary-600);
  padding-left: var(--space-4);
}

.mobile-nav-cta {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Breadcrumbs */
.breadcrumbs {
  padding: var(--space-4) 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
}

.breadcrumbs-container {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.breadcrumbs a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: var(--primary-600);
}

.breadcrumbs-separator {
  color: var(--gray-400);
}

.breadcrumbs-current {
  color: var(--text-primary);
  font-weight: var(--font-medium);
}

/* Page Header */
.page-header {
  padding: calc(var(--space-32) + 60px) 0 var(--space-16);
  background: var(--gradient-secondary);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 96, 245, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.page-header-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.page-header-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--text-light);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .page-header-title {
    font-size: var(--text-5xl);
  }
}

.page-header-description {
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}