/* =============================================
   ANIMATIONS — Keyframes + Scroll Reveal
   ============================================= */

/* ─── KEYFRAMES ──────────────────────────────── */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

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

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}

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

/* Gradient Mesh Background — pulsa suavemente */
@keyframes meshFloat1 {
  0%, 100% { transform: translate(0%, 0%) scale(1); }
  33%   { transform: translate(4%, -6%) scale(1.06); }
  66%   { transform: translate(-3%, 4%) scale(0.96); }
}
@keyframes meshFloat2 {
  0%, 100% { transform: translate(0%, 0%) scale(1); }
  33%   { transform: translate(-5%, 5%) scale(1.08); }
  66%   { transform: translate(4%, -3%) scale(0.94); }
}
@keyframes meshFloat3 {
  0%, 100% { transform: translate(0%, 0%) scale(1); }
  50%   { transform: translate(3%, 6%) scale(1.05); }
}

/* Typing cursor blink */
@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Glow pulse en botones */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 16px rgba(0, 229, 255, 0.30); }
  50%       { box-shadow: 0 0 32px rgba(0, 229, 255, 0.55), 0 0 64px rgba(0, 229, 255, 0.15); }
}

/* Shimmer para skeleton/loading */
@keyframes shimmer {
  0%   { background-position: -600px 0; }
  100% { background-position: 600px 0; }
}

/* Orbit de partículas decorativas */
@keyframes orbit {
  from { transform: rotate(0deg) translateX(120px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(120px) rotate(-360deg); }
}

/* Float suave para mockups */
@keyframes floatY {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-14px); }
}

/* Spin lento para iconos de tecnología */
@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Draw line para el timeline */
@keyframes drawLine {
  from { height: 0; }
  to   { height: 100%; }
}

/* Counter flicker al entrar */
@keyframes numberFlicker {
  0%   { opacity: 0.4; }
  50%  { opacity: 1; }
  100% { opacity: 1; }
}

/* Border flow en cards hover */
@keyframes borderFlow {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ─── CLASES SCROLL REVEAL ───────────────────── */
/* Estado inicial oculto */
.reveal {
  opacity: 0;
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.fade-up    { transform: translateY(40px); }
.reveal.fade-left  { transform: translateX(-40px); }
.reveal.fade-right { transform: translateX(40px); }
.reveal.scale-in   { transform: scale(0.92); }
.reveal.fade-only  { transform: none; }

/* Estado visible — agregado por JS via IntersectionObserver */
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Stagger — delays para children */
.stagger-children > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.15s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.25s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.35s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.45s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.55s; }

/* ─── EFECTOS UTILITARIOS ────────────────────── */

/* Float para imágenes hero */
.float-anim {
  animation: floatY 5s ease-in-out infinite;
}

/* Glow pulse en CTA buttons */
.glow-pulse {
  animation: glowPulse 2.5s ease-in-out infinite;
}

/* Gradient Mesh — blobs de fondo */
.mesh-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.mesh-blob--1 {
  width: clamp(300px, 40vw, 600px);
  height: clamp(300px, 40vw, 600px);
  background: var(--gradient-mesh-1);
  animation: meshFloat1 14s ease-in-out infinite;
}

.mesh-blob--2 {
  width: clamp(250px, 35vw, 500px);
  height: clamp(250px, 35vw, 500px);
  background: var(--gradient-mesh-2);
  animation: meshFloat2 18s ease-in-out infinite;
}

.mesh-blob--3 {
  width: clamp(200px, 30vw, 400px);
  height: clamp(200px, 30vw, 400px);
  background: var(--gradient-mesh-3);
  animation: meshFloat3 22s ease-in-out infinite;
}

/* Hero inner content animations */
.hero-anim-1 { animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) both; animation-delay: 0.1s; }
.hero-anim-2 { animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) both; animation-delay: 0.25s; }
.hero-anim-3 { animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) both; animation-delay: 0.4s; }
.hero-anim-4 { animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) both; animation-delay: 0.55s; }
.hero-anim-5 { animation: scaleIn  0.9s cubic-bezier(0.4, 0, 0.2, 1) both; animation-delay: 0.65s; }

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
}