/* =========================================================================
   ANIMATIONS — Scroll reveals, keyframes, motion presets.
   Scope: actual @keyframes + .reveal classes that JS toggles.
   ========================================================================= */

/* ----- Reveal on scroll (driven by IntersectionObserver in main.js) -- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 700ms var(--ease-out),
    transform 700ms var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Variant: reveal + scale (for cards, badges, hero) */
.reveal-scale {
  opacity: 0;
  transform: translateY(20px) scale(0.96);
  transition:
    opacity 700ms var(--ease-out),
    transform 700ms var(--ease-spring);
}
.reveal-scale.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Variant: slide from left (alternating layouts) */
.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
.reveal-left.is-visible { opacity: 1; transform: translateX(0); }

/* Variant: slide from right */
.reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
.reveal-right.is-visible { opacity: 1; transform: translateX(0); }

/* Variant: blur-in for headlines */
.reveal-blur {
  opacity: 0;
  filter: blur(12px);
  transform: translateY(20px);
  transition: opacity 900ms var(--ease-out), filter 900ms var(--ease-out), transform 900ms var(--ease-out);
}
.reveal-blur.is-visible {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

/* ----- Stagger delays (apply with .stagger-1, .stagger-2, etc.) ------ */
.stagger-1 { transition-delay: 80ms; }
.stagger-2 { transition-delay: 160ms; }
.stagger-3 { transition-delay: 240ms; }
.stagger-4 { transition-delay: 320ms; }
.stagger-5 { transition-delay: 400ms; }
.stagger-6 { transition-delay: 480ms; }

/* ----- Floating animation (already used by badges, reused) ----------- */
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ----- Aurora drift (referenced in base.css, declared here too) ------ */
@keyframes drift-1 {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(8vw, 6vh, 0) scale(1.15); }
}
@keyframes drift-2 {
  from { transform: translate3d(0, 0, 0) scale(1.1); }
  to   { transform: translate3d(-6vw, -4vh, 0) scale(1); }
}

/* ----- Shimmer (used in btn--primary) -------------------------------- */
@keyframes shimmer { to { left: 130%; } }

/* ----- FAQ open animation ------------------------------------------- */
@keyframes faq-open {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ----- Gradient text shimmer for hero title -------------------------- */
@keyframes gradient-pan {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

/* ----- Fade-in on page load (hero) ---------------------------------- */
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
  animation: fade-in-up 900ms var(--ease-out) both;
}
.delay-1 { animation-delay: 120ms; }
.delay-2 { animation-delay: 240ms; }
.delay-3 { animation-delay: 360ms; }
.delay-4 { animation-delay: 480ms; }
.delay-5 { animation-delay: 600ms; }

/* ----- Parallax target (driven by JS pointer/scroll) ---------------- */
.parallax {
  will-change: transform;
  transition: transform 600ms var(--ease-out);
}

/* ----- Magnetic glow (cards on hover, driven by JS) ----------------- */
.card-spotlight {
  background:
    radial-gradient(
      500px circle at var(--mx, 50%) var(--my, 50%),
      rgba(255, 255, 255, 0.55) 0%,
      transparent 45%
    ),
    var(--glass-bg);
}

/* ----- Reduced motion override --------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-scale, .reveal-left, .reveal-right, .reveal-blur {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
  }
  .fade-in-up { animation: none !important; opacity: 1; }
  .parallax { transform: none !important; }
}