/* ==========================================================================
   DREMORA IT — ANIMATIONS
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. KEYFRAME DEFINITIONS
   -------------------------------------------------------------------------- */

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

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fade-in-scale {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

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

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

@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 var(--accent-glow); }
  70%  { box-shadow: 0 0 0 10px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

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

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

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

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

@keyframes timeline-fill {
  from { height: 0; }
  to   { height: 100%; }
}

@keyframes count-up {
  from { opacity: 0; }
  to   { opacity: 1; }
}

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

/* --------------------------------------------------------------------------
   2. REVEAL ANIMATION CLASSES
   These are set to initial hidden state and animated by JS IntersectionObserver
   -------------------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(28px) translateZ(0);
  will-change: transform, opacity;
  transition:
    opacity var(--duration-reveal) var(--ease-out),
    transform var(--duration-reveal) var(--ease-out);
}

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

/* Staggered children — JS adds delay via CSS variable */
.stagger-children > * {
  opacity: 0;
  transform: translateY(24px) translateZ(0);
  will-change: transform, opacity;
  transition:
    opacity var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out);
  transition-delay: calc(var(--stagger-index, 0) * 80ms);
}

.stagger-children.revealed > * {
  opacity: 1;
  transform: translateY(0) translateZ(0);
}

/* From left */
.reveal-left {
  opacity: 0;
  transform: translateX(-28px) translateZ(0);
  will-change: transform, opacity;
  transition:
    opacity var(--duration-reveal) var(--ease-out),
    transform var(--duration-reveal) var(--ease-out);
}
.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0) translateZ(0);
}

/* From right */
.reveal-right {
  opacity: 0;
  transform: translateX(28px) translateZ(0);
  will-change: transform, opacity;
  transition:
    opacity var(--duration-reveal) var(--ease-out),
    transform var(--duration-reveal) var(--ease-out);
}
.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0) translateZ(0);
}

/* Scale in */
.reveal-scale {
  opacity: 0;
  transform: scale(0.95) translateZ(0);
  will-change: transform, opacity;
  transition:
    opacity var(--duration-reveal) var(--ease-out),
    transform var(--duration-reveal) var(--ease-out);
}
.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1) translateZ(0);
}

/* --------------------------------------------------------------------------
   3. MARQUEE / INFINITE SCROLL
   -------------------------------------------------------------------------- */
.marquee-wrapper {
  overflow: hidden;
  -webkit-mask: linear-gradient(90deg, transparent 0%, black 8%, black 92%, transparent 100%);
  mask: linear-gradient(90deg, transparent 0%, black 8%, black 92%, transparent 100%);
}

.marquee-track {
  display: flex;
  gap: var(--space-6);
  width: max-content;
  animation: marquee 32s linear infinite;
}

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

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  flex-shrink: 0;
  transition: border-color var(--duration-base) var(--ease-out),
              color var(--duration-base) var(--ease-out);
}

.marquee-item:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.marquee-item svg,
.marquee-item i {
  font-size: 1em;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   4. FLOATING ANIMATION
   -------------------------------------------------------------------------- */
.float {
  animation: float 4s ease-in-out infinite;
}

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

.float-delay {
  animation: float 5s ease-in-out 1s infinite;
}

/* --------------------------------------------------------------------------
   5. GRADIENT TEXT
   -------------------------------------------------------------------------- */
.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-bright) 50%, #93C5FD 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: gradient-shift 4s ease infinite;
}

/* --------------------------------------------------------------------------
   6. SHIMMER LOADING EFFECT
   -------------------------------------------------------------------------- */
.shimmer {
  background: linear-gradient(90deg,
    var(--bg-card) 0%,
    var(--bg-card-hover) 50%,
    var(--bg-card) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease infinite;
}

/* --------------------------------------------------------------------------
   7. PROGRESS LINE (Timeline)
   -------------------------------------------------------------------------- */
.timeline-line-fill {
  animation: timeline-fill 1.2s var(--ease-out) forwards;
  animation-play-state: paused;
}

.timeline-line-fill.revealed {
  animation-play-state: running;
}

/* --------------------------------------------------------------------------
   8. PULSE RING (CTA button)
   -------------------------------------------------------------------------- */
.pulse-ring {
  animation: pulse-ring 2s cubic-bezier(0.455, 0.03, 0.515, 0.955) infinite;
}

/* --------------------------------------------------------------------------
   9. SPIN (loading states)
   -------------------------------------------------------------------------- */
.spin {
  animation: spin 0.8s linear infinite;
}

/* --------------------------------------------------------------------------
   10. PAGE TRANSITION OVERLAY
   -------------------------------------------------------------------------- */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
}

.page-transition-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* --------------------------------------------------------------------------
   11. HERO ORBITAL ANIMATIONS (Sparkle system + Hero visual)
   -------------------------------------------------------------------------- */

/* Orbit clockwise — outer ring (99px radius) */
@keyframes drm-orbit-cw {
  from { transform: rotate(0deg)   translateX(-99px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(-99px) rotate(-360deg); }
}

/* Orbit counter-clockwise — inner ring (62px radius) */
@keyframes drm-orbit-ccw {
  from { transform: rotate(0deg)    translateX(-62px) rotate(0deg); }
  to   { transform: rotate(-360deg) translateX(-62px) rotate(360deg); }
}

/* Orbit mid — offset starting angle, mid ring (80px radius) */
@keyframes drm-orbit-mid {
  from { transform: rotate(40deg)  translateX(-80px) rotate(-40deg); }
  to   { transform: rotate(400deg) translateX(-80px) rotate(-400deg); }
}

/* Pulsing halo rings */
@keyframes drm-pulse-ring {
  0%, 100% { opacity: 0.14; transform: translate(-50%, -50%) scale(1); }
  50%       { opacity: 0.38; transform: translate(-50%, -50%) scale(1.05); }
}

/* Pulsing dot glow */
@keyframes drm-pulse-dot {
  0%, 100% { opacity: 0.55; }
  50%       { opacity: 1; }
}

/* --------------------------------------------------------------------------
   12. HERO ORBITAL SATELLITE ANIMATIONS (reference-image style)
   -------------------------------------------------------------------------- */

/* Arm rotates CW — badge at left:170px; top:-20px orbits at ~190px radius */
@keyframes hero-orbit-arm-cw {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Counter-rotation keeps badge upright while arm spins CW */
@keyframes hero-cnt-cw {
  from { transform: rotate(0deg); }
  to   { transform: rotate(-360deg); }
}

/* Arm rotates CCW */
@keyframes hero-orbit-arm-ccw {
  from { transform: rotate(0deg); }
  to   { transform: rotate(-360deg); }
}

/* Counter-rotation keeps badge upright while arm spins CCW */
@keyframes hero-cnt-ccw {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}