/* ============================================
   ANIMATION SYSTEM
   Scroll-triggered reveals and effects
   ============================================ */

/* ============================================
   SCROLL-TRIGGERED ANIMATIONS
   ============================================ */

[data-animate] {
  opacity: 0;
  will-change: transform, opacity;
}

[data-animate="fade-up"] {
  transform: translateY(60px);
}

[data-animate="fade-up"].is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

[data-animate="fade-down"] {
  transform: translateY(-40px);
}

[data-animate="fade-down"].is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

[data-animate="fade-left"] {
  transform: translateX(60px);
}

[data-animate="fade-left"].is-visible {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

[data-animate="fade-right"] {
  transform: translateX(-60px);
}

[data-animate="fade-right"].is-visible {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

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

[data-animate="scale-up"].is-visible {
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-spring);
}

[data-animate="blur-in"] {
  filter: blur(10px);
  transform: translateY(20px);
}

[data-animate="blur-in"].is-visible {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
  transition: opacity 0.8s var(--ease-out-expo), filter 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

[data-animate="pop"] {
  transform: scale(0.8);
}

[data-animate="pop"].is-visible {
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.5s var(--ease-out-expo), transform 0.6s var(--ease-out-back);
}

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

/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */

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

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pop {
  from { transform: scale(0); }
  to { transform: scale(1); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.05); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(2deg); }
}

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

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

/* ============================================
   AMBIENT EFFECTS
   ============================================ */

.ambient-glow {
  position: fixed;
  pointer-events: none;
  z-index: 0;
  transition: transform 0.3s ease-out;
}

.glow-accent {
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(var(--color-accent-rgb), 0.1) 0%, transparent 70%);
  filter: blur(100px);
  animation: pulseGlow 8s ease-in-out infinite;
}

.glow-purple {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(191, 90, 242, 0.08) 0%, transparent 70%);
  filter: blur(80px);
  animation: pulseGlow 10s ease-in-out infinite reverse;
}

.glow-blue {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(10, 132, 255, 0.06) 0%, transparent 70%);
  filter: blur(70px);
  animation: pulseGlow 12s ease-in-out infinite;
}

/* Rotating Orb */
.orb {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--color-accent), var(--color-purple), var(--color-blue), var(--color-accent));
  filter: blur(120px);
  opacity: 0.08;
  animation: rotate 20s linear infinite;
  pointer-events: none;
  z-index: 0;
}

/* Noise Overlay */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* Dot Pattern */
.dot-pattern {
  position: absolute;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.4;
  background-image: radial-gradient(rgba(255, 255, 255, 0.15) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 50% at 50% 50%, black 40%, transparent 100%);
}

/* Gradient Line */
.gradient-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transform: scaleX(0);
  transition: transform 1s var(--ease-out-expo);
}

.gradient-line.is-visible {
  transform: scaleX(1);
}

/* ============================================
   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;
    filter: none;
  }
}