/* ============================================
   Perlart 手作理想国 — 动画效果
   ============================================ */

/* === Floating Particles === */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-20px) rotate(5deg); }
  75% { transform: translateY(10px) rotate(-3deg); }
}

/* === Shimmer / Shine === */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.shimmer {
  background: linear-gradient(
    90deg,
    var(--color-gold) 0%,
    var(--color-gold-light) 50%,
    var(--color-gold) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s ease-in-out infinite;
}

/* === Parallax-like depth === */
@keyframes gentleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.gentle-float {
  animation: gentleFloat 4s ease-in-out infinite;
}

/* === Stitch decoration animation === */
@keyframes stitchDraw {
  from { width: 0; }
  to { width: 100%; }
}

/* === Image reveal === */
@keyframes imageReveal {
  from {
    clip-path: inset(0 100% 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

.image-reveal {
  animation: imageReveal 1s ease-out forwards;
}

/* === Counter animation helper === */
.counter {
  display: inline-block;
  transition: all 0.3s ease;
}

/* === Grain overlay for artistic touch === */
.grain-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}

/* === Hover glow === */
.hover-glow {
  position: relative;
}

.hover-glow::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: var(--gradient-gold);
  opacity: 0;
  z-index: -1;
  filter: blur(12px);
  transition: opacity var(--transition-base);
}

.hover-glow:hover::after {
  opacity: 0.3;
}

/* === Text typing cursor === */
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}