/* =====================================================
   Saste Tools — Animations
   Load after variables.css.
   ===================================================== */

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

@keyframes floatSoft {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(1.5deg); }
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50% { opacity: 0.9; transform: scale(1.06); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

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

@keyframes particleDrift {
  0%   { transform: translate(0, 0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translate(var(--dx, 30px), -220px); opacity: 0; }
}

/* Utility classes */
.animate-fade-up {
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}
.animate-fade {
  animation: fadeIn 0.5s ease both;
}
.animate-float {
  animation: float 4s ease-in-out infinite;
}

/* Staggered reveal helper: add [data-reveal] to a section wrapper and
   toggle .in-view via IntersectionObserver in animations.js */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
[data-reveal].in-view {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
[data-reveal-stagger].in-view > * {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-stagger].in-view > *:nth-child(1) { transition-delay: 0.05s; }
[data-reveal-stagger].in-view > *:nth-child(2) { transition-delay: 0.1s; }
[data-reveal-stagger].in-view > *:nth-child(3) { transition-delay: 0.15s; }
[data-reveal-stagger].in-view > *:nth-child(4) { transition-delay: 0.2s; }
[data-reveal-stagger].in-view > *:nth-child(5) { transition-delay: 0.25s; }
[data-reveal-stagger].in-view > *:nth-child(6) { transition-delay: 0.3s; }

/* Golden particle (used in hero background) */
.gold-particle {
  position: absolute;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--gold-light);
  box-shadow: 0 0 6px 1px var(--gold-glow);
  animation: particleDrift linear infinite;
}