:root {
  /* -- 2026 Light Theme Color Palette -- */
  --color-primary: #0a192f;       /* Deep Space Navy */
  --color-primary-dark: #071223;
  --color-primary-light: #112240;
  --color-accent: #c8982b;        /* Quantum Gold */
  --color-accent-dark: #a87c1f;
  --color-accent-glow: #ffd166;
  
  --color-neon-blue: #00a8ff;     /* Modern Blue */
  --color-neon-purple: #9d4edd;   /* Quantum Purple */
  --color-hologram: rgba(255, 255, 255, 0.8);
  
  --color-bg: #ffffff;            /* White Background */
  --color-bg-alt: #f8fafc;        /* Light Gray */
  --color-bg-dark: #0a192f;       /* Navy for contrast sections */
  --color-bg-glass: rgba(255, 255, 255, 0.7);
  --color-text: #1e293b;          /* Dark text for contrast */
  --color-text-muted: #64748b;
  --color-border: rgba(0, 0, 0, 0.1);
  --color-border-glow: rgba(200, 152, 43, 0.3);
  --color-shadow: rgba(0, 0, 0, 0.08);

  /* -- Typography -- */
  --font-heading: 'Montserrat', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  /* -- Layout -- */
  --max-width: 1400px;

  /* -- Glassmorphism Effects -- */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  --glass-blur: blur(20px);
  
  /* -- Glow Effects -- */
  --glow-accent: 0 0 20px rgba(200, 152, 43, 0.3);
  --glow-blue: 0 0 20px rgba(0, 168, 255, 0.2);
  --glow-purple: 0 0 20px rgba(157, 78, 221, 0.2);

  /* -- Standard Tokens (auto-injected) -- */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --radius-default: 8px;
  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);
}

/* -- 2026 Navigation -- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--glass-shadow);
  border-bottom: 1px solid rgba(200, 152, 43, 0.1);
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.nav-inner {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding: 1rem 2rem;
}

.nav-desktop {
  display: none;
}
@media (min-width: 768px) {
  .nav-desktop {
    display: block;
  }
}

.nav-toggle {
  background: transparent;
  border: 0;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  color: var(--color-text);
}

.nav-toggle:hover {
  background: rgba(0, 0, 0, 0.05);
}

.nav-logo {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.75rem;
  letter-spacing: -0.025em;
  color: var(--color-primary);
}

.nav-logo span {
  color: var(--color-accent);
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-neon-blue));
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: var(--color-accent);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link[aria-current="page"] {
  color: var(--color-accent);
}

.nav-link[aria-current="page"]::after {
  width: 100%;
}

/* -- 2026 Mobile Menu -- */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-20px);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 6rem 2rem 2rem;
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-nav-link {
  display: block;
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  font-weight: 600;
  color: var(--color-text);
  padding: 1rem 0;
  transition: all 0.3s ease;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav-link:hover {
  color: var(--color-accent);
  padding-left: 1rem;
}

.mobile-nav-link[aria-current="page"] {
  color: var(--color-accent);
  border-left: 4px solid var(--color-accent);
  padding-left: 1rem;
}

/* -- Icon Sizing -- */
.icon {
  display: inline-block;
  width: 1.25em;
  height: 1.25em;
  vertical-align: -0.15em;
  flex-shrink: 0;
}
.icon.hidden { display: none; }

.icon-sm { width: 1em; height: 1em; }
.icon-lg { width: 1.5em; height: 1.5em; }
.icon-xl { width: 2em; height: 2em; }

/* -- 2026 Scroll Reveal Animations -- */
[data-reveal] {
  opacity: 0;
  transform: translateY(40px) scale(0.98);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal-stagger].is-visible > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-stagger].is-visible > *:nth-child(2) { transition-delay: 100ms; }
[data-reveal-stagger].is-visible > *:nth-child(3) { transition-delay: 200ms; }
[data-reveal-stagger].is-visible > *:nth-child(4) { transition-delay: 300ms; }
[data-reveal-stagger].is-visible > *:nth-child(5) { transition-delay: 400ms; }
[data-reveal-stagger].is-visible > *:nth-child(6) { transition-delay: 500ms; }
[data-reveal-stagger].is-visible > * { opacity: 1; transform: translateY(0); }

/* -- 2026 Glassmorphism Cards -- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-border-glow);
  box-shadow: var(--glass-shadow), var(--glow-accent);
}

/* -- 2026 Progress Bars -- */
.progress-bar {
  height: 8px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-neon-blue));
  border-radius: var(--radius-full);
  position: relative;
  transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shimmer 2s infinite;
}

/* -- 2026 Status Badges -- */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.status-badge.online {
  background: rgba(72, 187, 120, 0.1);
  color: #059669;
  border: 1px solid rgba(72, 187, 120, 0.3);
}

.status-badge.warning {
  background: rgba(246, 173, 85, 0.1);
  color: #d97706;
  border: 1px solid rgba(246, 173, 85, 0.3);
}

.status-badge.critical {
  background: rgba(245, 101, 101, 0.1);
  color: #dc2626;
  border: 1px solid rgba(245, 101, 101, 0.3);
  animation: pulse 2s infinite;
}

/* -- 2026 Animations -- */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(200, 152, 43, 0.3); }
  50% { box-shadow: 0 0 40px rgba(200, 152, 43, 0.5); }
}

/* -- 2026 Particle Background -- */
.particle-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  background: var(--color-accent);
  border-radius: 50%;
  opacity: 0.1;
  animation: float 20s infinite linear;
}

/* -- 2026 Data Visualization -- */
.data-meter {
  position: relative;
  height: 120px;
  width: 120px;
}

.meter-circle {
  fill: none;
  stroke-width: 8;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
}

.meter-bg {
  stroke: var(--color-bg-alt);
}

.meter-fill {
  stroke: url(#meter-gradient);
  stroke-linecap: round;
  transition: stroke-dasharray 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* -- 2026 Form Enhancements -- */
.form-input-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: all 0.3s ease;
}

.form-input-glass:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(200, 152, 43, 0.1);
}

/* -- Reduced Motion -- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* -- Utility Classes for 2026 Design -- */
.glow-text {
  text-shadow: 0 0 30px rgba(200, 152, 43, 0.3);
}

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

.hologram-effect {
  background: linear-gradient(135deg, 
    rgba(200, 152, 43, 0.05) 0%, 
    rgba(0, 168, 255, 0.05) 50%, 
    rgba(157, 78, 221, 0.05) 100%);
  position: relative;
  overflow: hidden;
}

.hologram-effect::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  right: -50%;
  bottom: -50%;
  background: linear-gradient(45deg, 
    transparent 30%, 
    rgba(255, 255, 255, 0.2) 50%, 
    transparent 70%);
  animation: shimmer 3s infinite linear;
}

.floating {
  animation: float 6s ease-in-out infinite;
}

.pulse-glow {
  animation: glow 3s ease-in-out infinite;
}

.animated-gradient {
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
}

/* -- 2026 Section Styles -- */
.section-dark {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
}

.section-light {
  background: var(--color-bg);
  color: var(--color-text);
}

.section-alt {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

/* -- 2026 Button Styles -- */
.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  padding: 0.75rem 2rem;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--glow-accent);
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: 0.75rem 2rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: var(--color-accent);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* -- 2026 Card Hover Effects -- */
.card-hover {
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-hover:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl), 0 20px 40px rgba(200, 152, 43, 0.1);
}

/* -- 2026 Typography Enhancements -- */
.display-1 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(3rem, 8vw, 5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.display-2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.lead {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* -- 2026 Grid Layouts -- */
.grid-feature {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-stats {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* -- 2026 Dashboard Elements -- */
.dashboard-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.dashboard-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
}

.metric-value {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2.5rem;
  color: var(--color-accent);
  line-height: 1;
}

.metric-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}body { margin: 0; }

.mobile-menu-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  border: 0;
  cursor: pointer;
  color: inherit;
  padding: 0.5rem;
  line-height: 1;
  z-index: 1;
}