:root {
  color-scheme: dark;
}

body.system-ui-page {
  background:
    radial-gradient(circle at top left, rgba(165, 200, 255, 0.08), transparent 32%),
    radial-gradient(circle at bottom right, rgba(74, 225, 118, 0.05), transparent 28%),
    #101419;
  color: #e0e2ea;
  overflow-x: hidden;
}

#site-scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  z-index: 9999;
  background: linear-gradient(90deg, #a5c8ff, #4f9cf9, #4ae176);
  transition: width 0.1s;
}

#site-cursor-glow {
  position: fixed;
  width: 540px;
  height: 540px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(165, 200, 255, 0.045) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 0;
}

.site-grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(65, 71, 82, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(65, 71, 82, 0.14) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, black 24%, transparent 78%);
  opacity: 0.4;
  animation: site-grid-drift 22s linear infinite;
}

@keyframes site-grid-drift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-40px, -40px, 0); }
}

.site-main {
  position: relative;
  z-index: 10;
}

.system-kicker {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: #8b919d;
}

.glass-surface {
  background: rgba(28, 32, 37, 0.56);
  backdrop-filter: blur(20px);
}

.glow-panel {
  border: 1px solid rgba(65, 71, 82, 0.18);
  box-shadow: 0 18px 70px rgba(0, 0, 0, 0.14);
}

.glow-panel:hover {
  border-color: rgba(165, 200, 255, 0.24);
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.22);
}

.site-divider {
  position: relative;
  overflow: hidden;
}

.site-divider::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(165, 200, 255, 0.28), transparent);
  animation: site-divider-scan 6s linear infinite;
  opacity: 0.35;
}

@keyframes site-divider-scan {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}

.reveal-stage {
  opacity: 0;
  transform: translateY(34px);
  transition:
    opacity 0.78s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.78s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-stage.visible {
  opacity: 1;
  transform: none;
}

.reveal-left {
  transform: translateX(-38px);
}

.reveal-right {
  transform: translateX(38px);
}

.reveal-scale {
  transform: scale(0.95);
}

.reveal-stage.visible.reveal-left,
.reveal-stage.visible.reveal-right,
.reveal-stage.visible.reveal-scale {
  transform: none;
}

.delay-1 { transition-delay: 0.08s !important; }
.delay-2 { transition-delay: 0.16s !important; }
.delay-3 { transition-delay: 0.24s !important; }
.delay-4 { transition-delay: 0.32s !important; }

.site-tilt {
  transition:
    transform 0.18s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
  transform-style: preserve-3d;
}

.site-chip {
  position: relative;
  overflow: hidden;
  transition:
    transform 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease,
    color 0.18s ease;
}

.site-chip::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 10%, rgba(165, 200, 255, 0.14) 50%, transparent 90%);
  transform: translateX(-120%);
}

.site-chip:hover::before,
.site-chip.active::before {
  animation: site-chip-sweep 0.7s ease;
}

.site-chip:hover,
.site-chip.active {
  transform: translateY(-2px);
}

@keyframes site-chip-sweep {
  from { transform: translateX(-120%); }
  to { transform: translateX(120%); }
}

.site-metric-bar {
  width: 0;
  transition: width 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-counter {
  font-variant-numeric: tabular-nums;
}

.hero-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(65, 71, 82, 0.22);
  background: rgba(10, 14, 19, 0.82);
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: #8b919d;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.hero-status-pill .dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #4ae176;
  animation: hero-dot-blink 1.8s ease-in-out infinite;
}

@keyframes hero-dot-blink {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.7); }
}

.image-system-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(65, 71, 82, 0.18);
  background: #0a0e13;
}

.image-system-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(165, 200, 255, 0.16);
  pointer-events: none;
}

@media (max-width: 768px) {
  #site-cursor-glow {
    display: none;
  }
  .site-grid-bg {
    background-size: 32px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-grid-bg,
  .site-divider::after,
  .hero-status-pill .dot,
  .site-chip::before {
    animation: none !important;
  }
  .reveal-stage,
  .site-tilt,
  .site-chip,
  .site-metric-bar {
    transition: none !important;
  }
}