/* =====================================================
   Animaciones — scroll reveal y microinteracciones
   ===================================================== */

/* Reveal al hacer scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(0.2, 0.7, 0.2, 1),
              transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.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-left { opacity: 0; transform: translateX(-30px); transition: opacity .9s ease, transform .9s ease; }
.reveal-left.is-visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(30px); transition: opacity .9s ease, transform .9s ease; }
.reveal-right.is-visible { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(0.94); transition: opacity .9s ease, transform .9s ease; }
.reveal-scale.is-visible { opacity: 1; transform: scale(1); }

/* Animaciones nombradas */
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.4); opacity: 0.4; }
}

@keyframes ping {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.6); opacity: 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

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

/* Texto con shimmer dorado */
.shimmer-text {
  background: linear-gradient(
    90deg,
    var(--text) 0%,
    var(--accent) 50%,
    var(--text) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 8s linear infinite;
}

/* Hover tilt */
.tilt {
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
  transform-style: preserve-3d;
}
.tilt:hover { transform: perspective(800px) rotateX(2deg) rotateY(-2deg) translateY(-4px); }

/* Marquee horizontal */
.marquee {
  display: flex;
  gap: var(--sp-5);
  animation: marquee 35s linear infinite;
  width: max-content;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}