/* ============================================
   ANIMATIONS — Scroll reveals, 3D, effects
   ============================================ */

/* ── Scroll Reveal Base ── */
[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity var(--duration-crawl) var(--ease-out-expo),
    transform var(--duration-crawl) var(--ease-out-expo);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="fade-up"]          { transform: translateY(40px); }
[data-reveal="fade-down"]        { transform: translateY(-40px); }
[data-reveal="fade-left"]        { transform: translateX(60px); }
[data-reveal="fade-right"]       { transform: translateX(-60px); }
[data-reveal="fade-scale"]       { transform: scale(0.9); }
[data-reveal="fade-scale-up"]    { transform: scale(0.92) translateY(30px); }

[data-reveal="fade-up"].revealed,
[data-reveal="fade-down"].revealed   { transform: translateY(0); }
[data-reveal="fade-left"].revealed,
[data-reveal="fade-right"].revealed  { transform: translateX(0); }
[data-reveal="fade-scale"].revealed  { transform: scale(1); }
[data-reveal="fade-scale-up"].revealed { transform: scale(1) translateY(0); }

/* Stagger children */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity var(--duration-slow) var(--ease-out-expo),
    transform var(--duration-slow) var(--ease-out-expo);
}

[data-reveal-stagger].revealed > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-stagger].revealed > *:nth-child(2) { transition-delay: 80ms; }
[data-reveal-stagger].revealed > *:nth-child(3) { transition-delay: 160ms; }
[data-reveal-stagger].revealed > *:nth-child(4) { transition-delay: 240ms; }
[data-reveal-stagger].revealed > *:nth-child(5) { transition-delay: 320ms; }
[data-reveal-stagger].revealed > *:nth-child(6) { transition-delay: 400ms; }

[data-reveal-stagger].revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* ── Hero Entry ── */
.hero__content {
  animation: hero-enter 1.4s var(--ease-out-expo) 0.3s both;
}

@keyframes hero-enter {
  from {
    opacity: 0;
    transform: translateY(50px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.hero__chip {
  animation: chip-enter 1s var(--ease-out-expo) 0.1s both;
}

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

.hero__actions {
  animation: actions-enter 1.2s var(--ease-out-expo) 0.8s both;
}

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

/* ── Floating effect ── */
.float {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-10px) rotate(1deg); }
  66% { transform: translateY(-5px) rotate(-1deg); }
}

/* ── Shimmer / Shine sweep ── */
.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.06),
    transparent
  );
  animation: shimmer-sweep 4s ease-in-out infinite;
}

@keyframes shimmer-sweep {
  0%   { left: -100%; }
  100% { left: 200%; }
}

/* ── Glow Pulse ── */
.glow-pulse {
  animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 30px rgba(41,151,255,0.05); }
  50%      { box-shadow: 0 0 60px rgba(41,151,255,0.12); }
}

/* ── 3D Tilt on hover (applied via JS for mouse tracking) ── */
.tilt-3d {
  transition: transform var(--duration-base) var(--ease-out-expo);
  transform-style: preserve-3d;
  will-change: transform;
}

/* ── Parallax layers ── */
.parallax-layer {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* ── Text gradient animation ── */
.text-gradient-animate {
  background: linear-gradient(
    90deg,
    var(--color-accent),
    #66b8ff,
    #a78bfa,
    var(--color-accent)
  );
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 6s ease infinite;
}

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

/* ── Noise Overlay ── */
.noise-overlay::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  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");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* ── Counter Animation ── */
.counter-animate {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}