/* ====================================================
   NODUS & CO — ANIMACIONES
   ==================================================== */

/* ── Keyframes ── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0);     }
}

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

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0);    }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0);     }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1);    }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.05); }
}

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
  50%       { box-shadow: 0 4px 30px rgba(37,211,102,0.7); }
}

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

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-10px); }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(201,169,110,0.2); }
  50%       { box-shadow: 0 0 40px rgba(201,169,110,0.5); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes borderFlow {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── Utility Animation Classes ── */
.animate-fadeIn     { animation: fadeIn 0.5s ease forwards; }
.animate-fadeInUp   { animation: fadeInUp 0.6s ease forwards; }
.animate-fadeInDown { animation: fadeInDown 0.5s ease forwards; }
.animate-scaleIn    { animation: scaleIn 0.4s ease forwards; }
.animate-float      { animation: float 4s ease-in-out infinite; }
.animate-pulse      { animation: pulse 2s ease-in-out infinite; }
.animate-glow       { animation: glow-pulse 3s ease-in-out infinite; }

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* Delay utilities */
.delay-1 { transition-delay: 0.1s !important; }
.delay-2 { transition-delay: 0.2s !important; }
.delay-3 { transition-delay: 0.3s !important; }
.delay-4 { transition-delay: 0.4s !important; }
.delay-5 { transition-delay: 0.5s !important; }

/* ── Skeleton Loader ── */
.skeleton {
  background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-card) 50%, var(--bg-elevated) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ── Hero Particles ── */
.particles-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.particle {
  position: absolute;
  border-radius: var(--radius-full);
  background: var(--gold);
  opacity: 0;
  animation: particle-float linear infinite;
}

@keyframes particle-float {
  0%   { opacity: 0; transform: translateY(100%) scale(0); }
  10%  { opacity: 0.6; }
  90%  { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(-100vh) scale(1.5); }
}

/* ── Gradient Border animated ── */
.gradient-border {
  position: relative;
  border-radius: var(--radius-lg);
}
.gradient-border::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--gold), var(--violet), var(--gold));
  background-size: 300% 300%;
  animation: borderFlow 4s ease infinite;
  z-index: -1;
}

/* ── Number Counter ── */
.counter { animation: countUp 0.8s ease forwards; }

/* ── Music icon spin ── */
.music-spinning {
  animation: spin-slow 2s linear infinite;
}

/* ── Hover shimmer on cards ── */
.card-shimmer {
  position: relative;
  overflow: hidden;
}
.card-shimmer::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -75%;
  width: 50%;
  height: 200%;
  background: linear-gradient(
    to right,
    rgba(255,255,255,0) 0%,
    rgba(255,255,255,0.05) 50%,
    rgba(255,255,255,0) 100%
  );
  transform: skewX(-20deg);
  transition: none;
}
.card-shimmer:hover::after {
  animation: shimmer-pass 0.8s ease forwards;
}

@keyframes shimmer-pass {
  0%   { left: -75%; }
  100% { left: 125%; }
}