@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes countPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.12); }
  100% { transform: scale(1); }
}

@keyframes revealLine {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* ========== Ticker marquee ========== */
@keyframes tickerScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ========== Diff line pulse ========== */
@keyframes diffPulse {
  0% { box-shadow: inset 3px 0 0 transparent; }
  50% { box-shadow: inset 3px 0 0 var(--accent-primary); }
  100% { box-shadow: inset 3px 0 0 transparent; }
}

/* ========== Panel slide in ========== */
@keyframes panelIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== Brand gradient flow (for text/borders) ========== */
@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ========== Tool call line cascade ========== */
@keyframes toolCascade {
  from { opacity: 0; transform: translateX(-8px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ========== Ambient parallax drift ========== */
@keyframes ambientDrift {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -24px, 0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-reveal) var(--ease-smooth),
              transform var(--duration-reveal) var(--ease-smooth);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity var(--duration-reveal) var(--ease-smooth),
              transform var(--duration-reveal) var(--ease-smooth);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity var(--duration-reveal) var(--ease-smooth),
              transform var(--duration-reveal) var(--ease-smooth);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity var(--duration-reveal) var(--ease-smooth),
              transform var(--duration-reveal) var(--ease-smooth);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-smooth),
              transform 0.6s var(--ease-smooth);
}

.stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

.stagger > *:nth-child(1) { transition-delay: 0ms; }
.stagger > *:nth-child(2) { transition-delay: 80ms; }
.stagger > *:nth-child(3) { transition-delay: 160ms; }
.stagger > *:nth-child(4) { transition-delay: 240ms; }
.stagger > *:nth-child(5) { transition-delay: 320ms; }
.stagger > *:nth-child(6) { transition-delay: 400ms; }
.stagger > *:nth-child(7) { transition-delay: 480ms; }
.stagger > *:nth-child(8) { transition-delay: 560ms; }

.hover-lift {
  transition: transform var(--duration-slow) var(--ease-out),
              box-shadow var(--duration-slow) var(--ease-out);
}

.hover-lift:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.hover-glow {
  transition: box-shadow var(--duration-base) var(--ease-out);
}

.hover-glow:hover {
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

.typing-cursor::after {
  content: '|';
  display: inline-block;
  animation: blink 1s step-end infinite;
  color: var(--accent-primary);
  margin-left: 2px;
  font-weight: var(--weight-light);
}

body {
  animation: fadeIn 0.5s var(--ease-out) both;
}

@keyframes progressPulse {
  0% { opacity: 0.6; }
  50% { opacity: 1; }
  100% { opacity: 0.6; }
}

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

/* ========== Background System Keyframes ========== */

@keyframes lcMeshShift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  33% { transform: translate3d(2%, -1.5%, 0) scale(1.03); }
  66% { transform: translate3d(-1.5%, 1%, 0) scale(0.98); }
}

@keyframes lcAuroraFlow1 {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(-12deg); opacity: 0.5; }
  50% { transform: translate3d(8%, 3%, 0) rotate(-8deg); opacity: 0.65; }
}

@keyframes lcAuroraFlow2 {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(8deg); opacity: 0.45; }
  50% { transform: translate3d(-6%, -2%, 0) rotate(12deg); opacity: 0.6; }
}

@keyframes lcAuroraFlow3 {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(-6deg); opacity: 0.4; }
  50% { transform: translate3d(5%, -4%, 0) rotate(-2deg); opacity: 0.55; }
}

@keyframes lcGridBreathe {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.7; }
}

/* ========== Section Background Keyframes ========== */

@keyframes lcStreamFlow {
  0% { transform: translateX(-120%); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateX(350%); opacity: 0; }
}

@keyframes lcScanline {
  0%, 100% { transform: translateY(0); opacity: 0; }
  10% { opacity: 0.8; }
  90% { opacity: 0.8; }
  100% { transform: translateY(calc(100vh)); opacity: 0; }
}

@keyframes lcBeaconPulse {
  0% {
    width: 100px;
    height: 100px;
    opacity: 0.8;
    border-width: 2px;
  }
  100% {
    width: 700px;
    height: 700px;
    opacity: 0;
    border-width: 1px;
  }
}

@keyframes lcBeaconGlow {
  0%, 100% {
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
  }
}

@keyframes lcBlueprintShift {
  0% { background-position: 0 0; }
  100% { background-position: 48px 48px; }
}