/* ==========================================================================
   SCPL Animation System
   ========================================================================== */

/* Keyframe Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

@keyframes pulseGlow {
  0%, 100% {
    opacity: 0.35;
    transform: scale(1);
  }
  50% {
    opacity: 0.65;
    transform: scale(1.08);
  }
}

@keyframes marquee {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(-50%);
  }
}

@keyframes lineDraw {
  from {
    width: 0%;
  }
  to {
    width: 100%;
  }
}

@keyframes loaderProgress {
  0% {
    width: 0%;
  }
  50% {
    width: 70%;
  }
  100% {
    width: 100%;
  }
}

/* Observer-Driven Scroll Reveal Classes */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger Delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* Subtle Ambient Float */
.animate-float {
  animation: subtleFloat 6s ease-in-out infinite;
}

.animate-pulse-glow {
  animation: pulseGlow 8s ease-in-out infinite;
}

/* Marquee / Ticker Track */
.marquee-wrapper {
  overflow: hidden;
  user-select: none;
  display: flex;
  position: relative;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-content {
  display: flex;
  flex-shrink: 0;
  gap: var(--space-8);
  animation: marquee 35s linear infinite;
  align-items: center;
}

.marquee-wrapper:hover .marquee-content {
  animation-play-state: paused;
}

/* Interactive Hover States */
.hover-lift {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-5px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
}

/* Architectural Grid Pulse */
.grid-node {
  position: relative;
}

.grid-node::after {
  content: "";
  position: absolute;
  top: -3px;
  left: -3px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent);
}

/* Preloader Specific Styles */
#scpl-loader {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#scpl-loader.loader-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-brand {
  text-align: center;
  margin-bottom: var(--space-6);
}

.loader-logo-text {
  font-family: var(--font-primary);
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

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

.loader-tagline {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.loader-progress-track {
  width: 180px;
  height: 2px;
  background-color: var(--color-surface-elevated);
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-full);
}

.loader-progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  animation: loaderProgress 1.4s ease-in-out infinite;
}

/* Reduced Motion Override */
@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .animate-float,
  .animate-pulse-glow,
  .marquee-content,
  .loader-progress-bar {
    animation: none !important;
  }
}