/* ========================================
   ANIMACIONES
   ======================================== */

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

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

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

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 var(--c-red-glow); }
  50% { box-shadow: 0 0 40px 8px var(--c-red-glow); }
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.5); }
}

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

@keyframes rotate {
  to { transform: rotate(360deg); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

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

@keyframes loaderBar {
  0% { width: 0; }
  60% { width: 80%; }
  100% { width: 100%; }
}

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

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }
.reveal-delay-4 { transition-delay: 320ms; }
.reveal-delay-5 { transition-delay: 400ms; }

/* Aplicaciones específicas */
.float-y {
  animation: float 4s ease-in-out infinite;
}

.glow-pulse {
  animation: pulseGlow 2.4s ease-in-out infinite;
}

.shimmer-text {
  background: linear-gradient(
    90deg,
    var(--c-snow) 0%,
    var(--c-gold) 50%,
    var(--c-snow) 100%
  );
  background-size: 200% auto;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 4s linear infinite;
}

.gradient-animated {
  background: linear-gradient(
    120deg,
    var(--c-red-deep),
    var(--c-gold-deep),
    var(--c-red),
    var(--c-gold)
  );
  background-size: 300% 300%;
  animation: gradientShift 8s ease infinite;
}

/* Loader inicial cinematográfico */
.loader {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  background: var(--c-black);
  display: grid;
  place-items: center;
  transition: opacity 600ms var(--ease-out), visibility 600ms;
}

.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-5);
}

.loader__logo-wrap {
  position: relative;
  width: min(200px, 50vw);
  height: min(200px, 50vw);
  border-radius: 50%;
  animation: float 3s ease-in-out infinite;
}

.loader__logo-wrap::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: conic-gradient(var(--c-gold), var(--c-red), var(--c-gold));
  animation: rotate 3s linear infinite;
  opacity: 0.7;
}

.loader__logo-wrap::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  background: var(--c-black);
}

.loader__logo {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.loader__bar {
  width: min(320px, 60vw);
  height: 2px;
  background: var(--c-charcoal);
  border-radius: var(--r-pill);
  overflow: hidden;
}

.loader__bar::after {
  content: '';
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--c-red), var(--c-gold));
  animation: loaderBar 1.2s var(--ease-out) forwards;
}

.loader__text {
  font-family: var(--f-display);
  font-size: var(--fs-md);
  letter-spacing: 0.5em;
  color: var(--c-mist);
}