/* ============================================================
   ANIMATIONS — Keyframes, scroll-reveal, stagger classes
   ============================================================ */

/* ── Scroll Reveal Base ──────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity  var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Variants */
.reveal--left {
  transform: translateX(-32px);
}
.reveal--left.visible { transform: translateX(0); }

.reveal--right {
  transform: translateX(32px);
}
.reveal--right.visible { transform: translateX(0); }

.reveal--scale {
  transform: scale(0.94);
  opacity: 0;
}
.reveal--scale.visible {
  transform: scale(1);
  opacity: 1;
}

/* ── Stagger delays ──────────────────────────────────────── */
.stagger-1  { transition-delay: 0.05s; }
.stagger-2  { transition-delay: 0.12s; }
.stagger-3  { transition-delay: 0.19s; }
.stagger-4  { transition-delay: 0.26s; }
.stagger-5  { transition-delay: 0.33s; }
.stagger-6  { transition-delay: 0.40s; }

/* ── Keyframes ───────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

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

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0);     }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.88); }
  to   { opacity: 1; transform: scale(1);    }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-32px); }
  to   { opacity: 1; transform: translateX(0);     }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0);    }
}

/* Counter number pulse */
@keyframes countPulse {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.06); }
  100% { transform: scale(1); }
}

.count-pulse { animation: countPulse 0.5s var(--ease-spring); }

/* Shimmer loader */
@keyframes shimmer {
  0%   { background-position: -600px 0; }
  100% { background-position:  600px 0; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface) 25%,
    var(--color-surface-2) 50%,
    var(--color-surface) 75%
  );
  background-size: 1200px 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

/* Spin */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spin { animation: spin 1s linear infinite; }

/* Gold line draw */
@keyframes drawLine {
  from { width: 0; }
  to   { width: 48px; }
}

.divider--animated {
  width: 0;
  animation: drawLine 0.8s var(--ease-out) forwards;
}

/* Page loader */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s var(--ease-out),
              visibility 0.5s var(--ease-out);
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.page-loader__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: loaderBounce 0.9s ease-in-out infinite;
  margin: 0 4px;
}

.page-loader__dot:nth-child(2) { animation-delay: 0.15s; }
.page-loader__dot:nth-child(3) { animation-delay: 0.30s; }

@keyframes loaderBounce {
  0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
  40%            { transform: scale(1.3); opacity: 1;   }
}