/* ==========================================================================
   Animations & motion utilities
   ========================================================================== */

/* Generic reveal classes — toggled by IntersectionObserver / GSAP in js/animations.js */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s var(--ease-premium), transform 0.9s var(--ease-premium);
}
[data-reveal].is-revealed { opacity: 1; transform: translateY(0); }

[data-reveal="fade"] { transform: none; }
[data-reveal="scale"] { transform: scale(0.94); }
[data-reveal="scale"].is-revealed { transform: scale(1); }
[data-reveal="left"] { transform: translateX(-40px); }
[data-reveal="left"].is-revealed { transform: translateX(0); }
[data-reveal="right"] { transform: translateX(40px); }
[data-reveal="right"].is-revealed { transform: translateX(0); }
[data-reveal="mask"] { opacity: 1; transform: none; clip-path: inset(0 0 100% 0); transition: clip-path 1s var(--ease-premium); }
[data-reveal="mask"].is-revealed { clip-path: inset(0 0 0% 0); }

[data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal-delay="3"] { transition-delay: 0.24s; }
[data-reveal-delay="4"] { transition-delay: 0.32s; }
[data-reveal-delay="5"] { transition-delay: 0.4s; }
[data-reveal-delay="6"] { transition-delay: 0.48s; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; clip-path: none !important; transition: none !important; }
}

/* Particle canvas layers */
.particles-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; }
.particles-canvas.in-flow { position: fixed; inset: 0; z-index: 0; opacity: 0.55; }

/* Keyframes library */
@keyframes pulse-ring {
  0% { transform: scale(0.92); opacity: 1; }
  70% { transform: scale(1.35); opacity: 0; }
  100% { opacity: 0; }
}

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
.float { animation: float-y 5s ease-in-out infinite; }

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 0px rgba(164,255,24,0); }
  50% { box-shadow: 0 0 36px rgba(164,255,24,0.35); }
}

@keyframes marquee-x {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-x 28s linear infinite;
}
.marquee-wrap { overflow: hidden; }
.marquee-wrap:hover .marquee-track { animation-play-state: paused; }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.fade-in { animation: fade-in 0.6s var(--ease-soft) both; }

@keyframes counter-pop {
  0% { transform: scale(0.9); opacity: 0.4; }
  100% { transform: scale(1); opacity: 1; }
}
[data-counter] { display: inline-block; }

/* Hover tilt card (JS sets custom properties --rx/--ry) */
.tilt-card {
  --rx: 0deg; --ry: 0deg;
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));
  transition: transform 0.2s var(--ease-soft);
  will-change: transform;
}

/* grain overlay for cinematic feel */
.grain-overlay {
  position: fixed; inset: 0; z-index: 5;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* line draw underline for headings */
.underline-draw { position: relative; display: inline-block; }
.underline-draw::after {
  content: ''; position: absolute; left: 0; bottom: -4px; height: 3px; width: 100%;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.6s var(--ease-premium);
}
.underline-draw.is-revealed::after, [data-reveal].is-revealed .underline-draw::after { transform: scaleX(1); }