/* animations.css — Shared landing animations */

/* --- Fade in on scroll (legacy name, kept for compat) --- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Reveal on scroll (IntersectionObserver) ---
   Use with shared-web/js/effects/reveal-on-scroll.js.
   Source: AuraBuild Trading Masterclass (2026-04-15)
   Add class .reveal-on-scroll, optional .reveal-delay-* for stagger,
   optional variants .reveal-fade / .reveal-slide-left / .reveal-slide-right / .reveal-scale */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* Variants — add these as additional classes */
.reveal-on-scroll.reveal-fade { transform: none; }
.reveal-on-scroll.reveal-slide-left { transform: translateX(40px); }
.reveal-on-scroll.reveal-slide-right { transform: translateX(-40px); }
.reveal-on-scroll.reveal-scale { transform: scale(0.92); }

/* Stagger delays (apply to later elements to sequence reveals) */
.reveal-delay-100 { transition-delay: 100ms; }
.reveal-delay-200 { transition-delay: 200ms; }
.reveal-delay-300 { transition-delay: 300ms; }
.reveal-delay-400 { transition-delay: 400ms; }
.reveal-delay-500 { transition-delay: 500ms; }

/* Word-by-word + line-by-line reveal (source: Stillpoint Recovery)
   Wrap each word in <span class="reveal-word"> with incremental transition-delay.
   Parent must have .reveal-trigger class for IntersectionObserver.
   Works with reveal-on-scroll.js (the .is-visible class triggers children). */
.reveal-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.5em);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-trigger.is-visible .reveal-word,
.reveal-trigger.is-revealed .reveal-word {
  opacity: 1;
  transform: translateY(0);
}

.reveal-line {
  display: block;
  opacity: 0;
  transform: translateY(0.8em);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-trigger.is-visible .reveal-line,
.reveal-trigger.is-revealed .reveal-line {
  opacity: 1;
  transform: translateY(0);
}

/* Cursor glow (source: Stillpoint Recovery)
   Pair with shared-web/js/effects/cursor-glow.js.
   Add .cursor-glow to any card/panel. Add .cursor-glow--border for border glow. */
.cursor-glow {
  position: relative;
  overflow: hidden;
}
.cursor-glow::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(500px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(255, 255, 255, 0.15), transparent 40%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 2;
}
.cursor-glow:hover::before { opacity: 1; }

.cursor-glow--border::after {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: radial-gradient(380px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    var(--cursor-glow-color, rgba(168, 138, 109, 0.26)), transparent 42%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 3;
}
.cursor-glow--border:hover::after { opacity: 1; }

/* Sonar ring (source: Stillpoint Recovery) — pulsing ring around icons */
.sonar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid currentColor;
  animation: sonar 2s cubic-bezier(0, 0, 0.2, 1) infinite;
  pointer-events: none;
}
@keyframes sonar {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(2.5); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll,
  .reveal-word,
  .reveal-line {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .sonar-ring { animation: none !important; }
}

/* Variants */
.animate-fade-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-fade-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-fade-left.visible,
.animate-fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale in */
.animate-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.animate-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.stagger-children.visible > *:nth-child(1) { transition-delay: 0s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }

/* --- Pulse glow (for CTAs) --- */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 15px rgba(20, 107, 255, 0.3); }
  50% { box-shadow: 0 0 30px rgba(20, 107, 255, 0.5); }
}
.pulse-glow { animation: pulse-glow 2s ease-in-out infinite; }

/* --- Counter animation --- */
@keyframes count-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* --- Floating --- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.float { animation: float 3s ease-in-out infinite; }

/* --- Gradient shift (for backgrounds) --- */
@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.gradient-bg {
  background-size: 200% 200%;
  animation: gradient-shift 8s ease infinite;
}