/* ═══════════════════════════════════════
   KEYFRAMES & ANIMATION UTILITIES
═══════════════════════════════════════ */
@keyframes title-exit {
  from { transform: translateY(0);     opacity: 1; }
  to   { transform: translateY(-130%); opacity: 0; }
}
@keyframes title-enter {
  from { transform: translateY(130%);  opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); filter: blur(4px); }
  to   { opacity: 1; transform: none; filter: none; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 30px -5px var(--accent-glow); }
  50%       { box-shadow: 0 0 50px 5px var(--accent-glow); }
}
@keyframes slide-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}
@keyframes orb-drift-a {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(12%, 14%) scale(1.12); }
}
@keyframes orb-drift-b {
  from { transform: translate(0, 0) scale(1.05); }
  to   { transform: translate(-10%, 10%) scale(.92); }
}
@keyframes phase-dot-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(251,113,133,.25); }
  50%       { box-shadow: 0 0 0 8px rgba(251,113,133,.08); }
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .45; transform: scale(.7); }
}

@keyframes card-spin-reveal {
  0%   { transform: rotateY(0deg); }
  7%   { transform: rotateY(360deg); }   /* 빠른 가속 */
  16%  { transform: rotateY(900deg); }   /* 풀스피드 */
  28%  { transform: rotateY(1440deg); }
  42%  { transform: rotateY(1980deg); }  /* 최고속 유지 */
  56%  { transform: rotateY(2340deg); }  /* 감속 시작 */
  68%  { transform: rotateY(2520deg); }
  77%  { transform: rotateY(2610deg); }  /* 급격히 느려짐 */
  84%  { transform: rotateY(2640deg); }  /* 거의 멈춤 — 긴장 최고조 */
  88%  { transform: rotateY(2648deg); }  /* 멈추는 척 */
  91%  { transform: rotateY(2638deg); }  /* 살짝 역방향 당김 */
  100% { transform: rotateY(2700deg); }  /* 최종 공개 (7.5회전 = 뒷면 정면) */
}

.anim-up   { animation: fadeUp .6s var(--spring) both; }
.anim-up-1 { animation: fadeUp .6s .08s var(--spring) both; }
.anim-up-2 { animation: fadeUp .6s .16s var(--spring) both; }
.anim-up-3 { animation: fadeUp .6s .24s var(--spring) both; }
.anim-up-4 { animation: fadeUp .6s .32s var(--spring) both; }
.float     { animation: float 6s ease-in-out infinite; }