/* ========================================
   GEMIMPRESSION® - Animations
   Scroll reveals, keyframes, micro-interactions
   NOTE: No body { animation } — avoids black screen bug
   ======================================== */

/* === SCROLL REVEAL ANIMATIONS === */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* === STAGGERED CHILDREN === */
.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.stagger.visible > *:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0s; }
.stagger.visible > *:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.08s; }
.stagger.visible > *:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.16s; }
.stagger.visible > *:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.24s; }
.stagger.visible > *:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.32s; }
.stagger.visible > *:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.40s; }

/* === KEYFRAMES === */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

@keyframes rippleEffect {
  to { transform: scale(4); opacity: 0; }
}

/* === SKELETON LOADING === */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--cream-dark) 25%,
    var(--cream) 50%,
    var(--cream-dark) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* === LOADING SPINNER === */
.spinner {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid rgba(196,129,58,0.2);
  border-top-color: var(--rose-gold);
  animation: spin 0.8s linear infinite;
}

/* === RIPPLE === */
.ripple-container {
  position: relative;
  overflow: hidden;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transform: scale(0);
  animation: rippleEffect 0.6s linear;
  pointer-events: none;
}

/* === HOVER TILT (subtle) === */
.hover-tilt {
  transition: transform 0.3s ease;
}

.hover-tilt:hover {
  transform: perspective(800px) rotateY(2deg) rotateX(-1deg);
}

/* === PAGE CONTENT FADE (safe — only on .page-content, NOT body) === */
.page-content {
  animation: fadeIn 0.35s ease;
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .page-content {
    animation: none;
  }
}