/* ═══════════════════════════════════════════════════════
   ESTRELLAS DEL MILENIO — Animation System v2
   animations.css
   ═══════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════════
   KEYFRAMES
   ═══════════════════════════════════════════════════════ */

@keyframes heroUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes heroRight {
  from { opacity: 0; transform: translateX(52px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes heroLeft {
  from { opacity: 0; transform: translateX(-52px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes badgePop {
  from { opacity: 0; transform: scale(0.6) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}
@keyframes floatSlow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33%       { transform: translateY(-9px) rotate(2.5deg); }
  66%       { transform: translateY(-4px) rotate(-1.5deg); }
}
@keyframes goldPulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50%       { opacity: 0.95; transform: scale(1.1); }
}
@keyframes navSlide {
  from { opacity: 0; transform: translateY(-14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes counterUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes shimmerSlide {
  from { background-position: -200% 0; }
  to   { background-position: 200% 0; }
}
@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 0 rgba(255,195,41,0); }
  50%       { box-shadow: 0 0 40px rgba(255,195,41,0.4), 0 0 80px rgba(255,195,41,0.15); }
}
@keyframes borderGlow {
  0%, 100% { border-color: rgba(255,195,41,0.2); }
  50%       { border-color: rgba(255,195,41,0.6); }
}
@keyframes menuSlide {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes lineGrow {
  from { width: 0; opacity: 0; }
  to   { width: 2.5rem; opacity: 1; }
}
@keyframes revealUp {
  from { clip-path: inset(100% 0 0 0); opacity: 0; }
  to   { clip-path: inset(0% 0 0 0); opacity: 1; }
}
@keyframes dotPulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50%       { transform: scale(1.5); opacity: 1; }
}
@keyframes progressBar {
  from { width: 0; }
  to   { width: var(--target-width, 100%); }
}

/* ═══════════════════════════════════════════════════════
   HERO ENTRANCE CLASSES (CSS-driven, no JS needed)
   ═══════════════════════════════════════════════════════ */

.hero-animate-1 { animation: heroUp    0.78s cubic-bezier(0.16,1,0.3,1) 0.04s  both; }
.hero-animate-2 { animation: heroUp    0.78s cubic-bezier(0.16,1,0.3,1) 0.17s  both; }
.hero-animate-3 { animation: heroUp    0.78s cubic-bezier(0.16,1,0.3,1) 0.30s  both; }
.hero-animate-4 { animation: heroUp    0.78s cubic-bezier(0.16,1,0.3,1) 0.44s  both; }
.hero-animate-5 { animation: heroUp    0.78s cubic-bezier(0.16,1,0.3,1) 0.58s  both; }
.hero-animate-r { animation: heroRight 0.92s cubic-bezier(0.16,1,0.3,1) 0.22s  both; }
.hero-animate-l { animation: heroLeft  0.92s cubic-bezier(0.16,1,0.3,1) 0.22s  both; }
.hero-img       { animation: heroRight 0.92s cubic-bezier(0.16,1,0.3,1) 0.22s  both; }
.hero-badge     { animation: badgePop  0.65s cubic-bezier(0.34,1.56,0.64,1) 0.96s both,
                             float     5.5s  ease-in-out 1.65s infinite; }
.hero-accent    { animation: badgePop  0.55s cubic-bezier(0.34,1.56,0.64,1) 1.1s both,
                             goldPulse 3.8s  ease-in-out 1.75s infinite; }
.nav-enter      { animation: navSlide  0.55s cubic-bezier(0.16,1,0.3,1) 0s    both; }
.stat-num-anim  { animation: counterUp 0.55s cubic-bezier(0.16,1,0.3,1) 0.1s  both; }

/* ── Perpetual motion ── */
.float-anim  { animation: float     5.5s ease-in-out infinite; }
.float-slow  { animation: floatSlow 7.5s ease-in-out infinite; }
.glow-pulse  { animation: glowPulse 3.5s ease-in-out infinite; }
.spin-slow   { animation: spinSlow  12s  linear       infinite; }
.border-glow { animation: borderGlow 2.8s ease-in-out infinite; }
.dot-pulse   { animation: dotPulse  2s   ease-in-out  infinite; }

/* ── Shimmer on button hover ── */
.shimmer {
  background: linear-gradient(90deg, transparent 25%, rgba(255,255,255,0.2) 50%, transparent 75%);
  background-size: 200% 100%;
  animation: shimmerSlide 2s infinite;
}

/* ═══════════════════════════════════════════════════════
   SCROLL-TRIGGERED SYSTEM (IntersectionObserver + JS)
   ═══════════════════════════════════════════════════════ */

[data-anim] {
  opacity: 0;
  will-change: transform, opacity;
  transition: opacity  0.72s cubic-bezier(0.16,1,0.3,1),
              transform 0.72s cubic-bezier(0.16,1,0.3,1);
}

[data-anim="fade-up"]    { transform: translateY(36px); }
[data-anim="fade-left"]  { transform: translateX(-44px); }
[data-anim="fade-right"] { transform: translateX(44px); }
[data-anim="scale-up"]   { transform: scale(0.9) translateY(22px); }
[data-anim="fade-in"]    { /* opacity only — no transform */ }
[data-anim="slide-up"]   { transform: translateY(60px); }

[data-anim].anim-done { opacity: 1; transform: none; }

/* Stagger delay classes (applied alongside data-anim) */
.anim-d1 { transition-delay: 80ms; }
.anim-d2 { transition-delay: 160ms; }
.anim-d3 { transition-delay: 240ms; }
.anim-d4 { transition-delay: 320ms; }
.anim-d5 { transition-delay: 400ms; }

/* data-delay attribute support (used inline in HTML) */
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="300"] { transition-delay: 300ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="500"] { transition-delay: 500ms; }

/* ═══════════════════════════════════════════════════════
   REDUCED MOTION — accessibility first
   ═══════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-anim] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .hero-animate-1,
  .hero-animate-2,
  .hero-animate-3,
  .hero-animate-4,
  .hero-animate-5,
  .hero-animate-r,
  .hero-animate-l,
  .hero-img,
  .hero-badge,
  .hero-accent,
  .nav-enter,
  .stat-num-anim { animation: none !important; opacity: 1 !important; transform: none !important; }
}