/**
 * SUCCESS MARK - Animation System
 * PREMIUM SYSTEM INTERFACE - Alive, Technical, Impressive
 * ========================================================
 */

/* ============================================
   ALIVE BACKGROUND SYSTEM - BALANCED
   ============================================ */

.system-background {
  position: fixed;
  inset: 0;
  z-index: var(--z-background);
  overflow: hidden;
  pointer-events: none;
  background: var(--color-bg-primary);
}

/* ============================================
   GRID LINES - SUBTLE BREATHING
   ============================================ */

.grid-lines {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridPulse 6s ease-in-out infinite;
}

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

/* Secondary grid - disabled */
.grid-lines-fine {
  display: none;
}

/* ============================================
   GRADIENT OVERLAYS - Subtle
   ============================================ */

.grid-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 100% 80% at 50% 50%,
    transparent 0%,
    transparent 50%,
    rgba(10, 10, 10, 0.4) 100%
  );
}

.grid-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 50% 50%,
    transparent 0%,
    transparent 60%,
    rgba(0, 0, 0, 0.25) 100%
  );
}

/* ============================================
   GLOW ORBS - DISABLED (too busy)
   Keep markup for potential future use
   ============================================ */

.glow-orb {
  display: none;
}

/* ============================================
   SYSTEM DOTS - DISABLED (too busy)
   Keep for potential future use
   ============================================ */

.system-dots {
  display: none;
}

/* ============================================
   SCAN LINE - THE ONE AMBIENT ELEMENT
   Slow, subtle, barely noticeable
   ============================================ */

.scan-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(0, 255, 136, 0.15) 30%,
    rgba(0, 255, 136, 0.25) 50%,
    rgba(0, 255, 136, 0.15) 70%,
    transparent 100%
  );
  animation: scanMove 10s ease-in-out infinite;
}

@keyframes scanMove {
  0% { 
    top: -1px; 
    opacity: 0;
  }
  3% {
    opacity: 1;
  }
  97% {
    opacity: 1;
  }
  100% { 
    top: 100%; 
    opacity: 0;
  }
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */

[data-animate] {
  opacity: 0;
  transform: translateY(40px);
  transition: 
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out);
}

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

/* Slide from left */
[data-animate="slide-left"] {
  transform: translateX(60px);
}

[data-animate="slide-left"].is-visible {
  transform: translateX(0);
}

/* Slide from right */
[data-animate="slide-right"] {
  transform: translateX(-60px);
}

[data-animate="slide-right"].is-visible {
  transform: translateX(0);
}

/* Scale up */
[data-animate="scale"] {
  transform: scale(0.9);
}

[data-animate="scale"].is-visible {
  transform: scale(1);
}

/* Fade only */
[data-animate="fade"] {
  transform: none;
}

/* Stagger delays */
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }
[data-delay="5"] { transition-delay: 0.5s; }
[data-delay="6"] { transition-delay: 0.6s; }

/* ============================================
   STAGGER ANIMATIONS FOR CHILDREN
   ============================================ */

[data-stagger] > * {
  opacity: 0;
  transform: translateY(30px);
  transition: 
    opacity 0.6s var(--ease-out),
    transform 0.6s var(--ease-out);
}

[data-stagger].is-visible > *:nth-child(1) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
[data-stagger].is-visible > *:nth-child(2) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
[data-stagger].is-visible > *:nth-child(3) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
[data-stagger].is-visible > *:nth-child(4) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
[data-stagger].is-visible > *:nth-child(5) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }
[data-stagger].is-visible > *:nth-child(6) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }

/* ============================================
   HERO ENTRANCE ANIMATION
   ============================================ */

.hero-content > * {
  opacity: 0;
  transform: translateY(30px);
}

.page-loaded .hero-content > *:nth-child(1) {
  animation: heroReveal 1s var(--ease-out) 0.2s forwards;
}

.page-loaded .hero-content > *:nth-child(2) {
  animation: heroReveal 1s var(--ease-out) 0.4s forwards;
}

.page-loaded .hero-content > *:nth-child(3) {
  animation: heroReveal 1s var(--ease-out) 0.6s forwards;
}

/* CTA waits for terminal + silence */
.hero__cta {
  opacity: 0;
  transition: opacity 0.8s ease;
}

.hero__cta.is-visible {
  opacity: 1;
}

@keyframes heroReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   BUTTON RIPPLE EFFECT
   ============================================ */

.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
  width: 400px;
  height: 400px;
}

/* Button glow on hover */
.btn--primary:hover {
  box-shadow: var(--glow-accent-lg);
  transform: translateY(-3px);
}

.btn--secondary:hover {
  border-color: var(--color-accent);
  box-shadow: var(--glow-accent);
}

/* ============================================
   MODULE/CARD HOVER EFFECTS
   ============================================ */

.module {
  position: relative;
  overflow: hidden;
  transition: 
    transform 0.4s var(--ease-smooth),
    border-color 0.4s var(--ease-smooth),
    box-shadow 0.4s var(--ease-smooth);
}

/* Top sweep line */
.module::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, 
    transparent, 
    var(--color-accent), 
    transparent
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.module:hover::before {
  transform: translateX(100%);
}

/* Corner glow */
.module::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(
    circle at top left,
    var(--color-accent-dim),
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
}

.module:hover::after {
  opacity: 1;
}

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

/* Icon animation on hover */
.module:hover .module__icon {
  background: var(--color-accent);
  color: var(--color-bg-primary);
  transform: scale(1.1);
}

/* ============================================
   STATUS INDICATOR PULSE
   ============================================ */

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  position: relative;
  animation: statusPulse 2s ease-in-out infinite;
}

.status-dot::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  opacity: 0;
  animation: statusRing 2s ease-out infinite;
}

@keyframes statusPulse {
  0%, 100% { 
    box-shadow: 0 0 0 0 var(--color-accent-glow); 
  }
  50% { 
    box-shadow: 0 0 20px 5px var(--color-accent-glow); 
  }
}

@keyframes statusRing {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

/* ============================================
   COUNTER ANIMATION
   ============================================ */

.counter {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ============================================
   PROGRESS BAR FILL
   ============================================ */

.progress__fill {
  transform-origin: left;
  animation: progressGrow 1.5s var(--ease-out) forwards;
}

@keyframes progressGrow {
  from { transform: scaleX(0); }
}

/* ============================================
   CHART BAR ANIMATION
   ============================================ */

.chart__bar {
  transform-origin: bottom;
  animation: chartGrow 0.8s var(--ease-out) forwards;
  animation-delay: calc(var(--bar-index, 0) * 0.1s);
}

@keyframes chartGrow {
  from { transform: scaleY(0); }
}

/* ============================================
   PAGE LOADER
   ============================================ */

.loader {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-primary);
  z-index: var(--z-max);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.loader__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.loader__text {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.loader__spinner {
  width: 48px;
  height: 48px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ============================================
   SCROLL PROGRESS BAR
   ============================================ */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  z-index: calc(var(--z-header) + 1);
  transform-origin: left;
  transition: width 50ms linear;
  box-shadow: 0 0 10px var(--color-accent-glow);
}

/* ============================================
   SCROLL INDICATOR - Fades on scroll
   ============================================ */

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  animation: scrollBounce 2s ease-in-out infinite;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.4s ease, visibility 0.4s ease, transform 0.4s ease;
}

/* Hide on scroll - JS will add this class AND inline styles */
.scroll-indicator.is-hidden {
  opacity: 0 !important;
  pointer-events: none !important;
  visibility: hidden !important;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   FLOATING ANIMATION
   ============================================ */

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ============================================
   TEXT GLOW EFFECT
   ============================================ */

.text-glow {
  text-shadow: 0 0 20px var(--color-accent-glow);
}

/* ============================================
   LINK HOVER UNDERLINE
   ============================================ */

.link-hover {
  position: relative;
}

.link-hover::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

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

/* ============================================
   REDUCED MOTION
   ============================================ */

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

  [data-animate] {
    opacity: 1;
    transform: none;
  }

  .glow-orb,
  .system-dot,
  .scan-line {
    display: none;
  }
}