/* === Animations — v5.0 === */

body { animation: page-enter 0.7s var(--ease-out) both; }
@keyframes page-enter { from { opacity: 0; } to { opacity: 1; } }

/* Blob entrance + float */
@keyframes blob-enter {
  from { opacity: 0; transform: scale(0.8); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes blob-float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(-4%, 5%) scale(1.04); }
  66%       { transform: translate(5%, -4%) scale(0.97); }
}
@keyframes blob-float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  40%       { transform: translate(5%, -6%) scale(1.05); }
  70%       { transform: translate(-4%, 4%) scale(0.96); }
}
@keyframes blob-float-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(4%, 6%) scale(1.04); }
}

/* Scroll reveals */
.fade-in-up {
  opacity: 0; transform: translateY(20px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.fade-in-up.visible { opacity: 1; transform: translateY(0); }

.fade-in { opacity: 0; transition: opacity var(--dur-slow) var(--ease-out); }
.fade-in.visible { opacity: 1; }

/* Stagger */
.stagger-children > * {
  opacity: 0; transform: translateY(14px);
  transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out);
}
.stagger-children.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.07s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.14s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.21s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.28s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.35s; }
.stagger-children.visible > * { opacity: 1; transform: translateY(0); }

/* Hero content stagger */
.hero-content > * {
  opacity: 0;
  animation: hero-enter 0.8s var(--ease-out) forwards;
}
.hero-content > *:nth-child(1) { animation-delay: 0.15s; }
.hero-content > *:nth-child(2) { animation-delay: 0.25s; }
.hero-content > *:nth-child(3) { animation-delay: 0.35s; }
.hero-content > *:nth-child(4) { animation-delay: 0.45s; }
.hero-content > *:nth-child(5) { animation-delay: 0.55s; }

@keyframes hero-enter {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Shimmer placeholder */
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.img-placeholder {
  background: linear-gradient(90deg, var(--bg-tint) 25%, var(--surface-hover) 50%, var(--bg-tint) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

/* Hover lift */
.hover-lift {
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.hover-lift:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

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