/* ============================================
   ESPORA — Animaciones
   ============================================ */

/* --- Scroll Reveal Base States --- */
[data-reveal] {
  opacity: 0;
  will-change: transform, opacity;
}

[data-reveal="up"] {
  transform: translateY(24px);
}

[data-reveal="left"] {
  transform: translateX(-24px);
}

[data-reveal="right"] {
  transform: translateX(24px);
}

[data-reveal="scale"] {
  transform: scale(0.96);
}

[data-reveal="fade"] {
  transform: none;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

/* --- Retardos escalonados (30-80ms) --- */
[data-delay="1"] { transition-delay: 50ms !important; }
[data-delay="2"] { transition-delay: 100ms !important; }
[data-delay="3"] { transition-delay: 150ms !important; }
[data-delay="4"] { transition-delay: 200ms !important; }
[data-delay="5"] { transition-delay: 250ms !important; }
[data-delay="6"] { transition-delay: 300ms !important; }

/* --- Hero Entrance (orchestrated stagger) --- */
@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-anim {
  opacity: 0;
  animation: heroFadeUp var(--duration-hero) var(--ease-out) forwards;
}

.hero-anim--1 { animation-delay: 100ms; }
.hero-anim--2 { animation-delay: 200ms; }
.hero-anim--3 { animation-delay: 350ms; }
.hero-anim--4 { animation-delay: 500ms; }
.hero-anim--5 { animation-delay: 650ms; }

/* --- Counter Animation (numbers) --- */
.counter {
  font-variant-numeric: tabular-nums;
}

/* --- Card Hover Lift --- */
@media (hover: hover) and (pointer: fine) {
  .hover-lift {
    transition: transform var(--duration-base) var(--ease-out),
                box-shadow var(--duration-base) var(--ease-out);
  }
  .hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  }
}

/* --- Line Draw (decorative borders that animate in) --- */
@keyframes lineGrow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.line-draw {
  transform-origin: left;
  transform: scaleX(0);
}

.line-draw.is-visible {
  animation: lineGrow var(--duration-slow) var(--ease-out) forwards;
}

/* --- Glow Pulse (hero decorative) --- */
@keyframes glowPulse {
  0%, 100% { opacity: 0.08; transform: scale(1); }
  50% { opacity: 0.12; transform: scale(1.05); }
}

.hero__glow {
  animation: glowPulse 6s ease-in-out infinite;
}

/* --- Nav link underline --- */
@keyframes navUnderline {
  from { width: 0; }
  to { width: 100%; }
}

/* --- Metric number shimmer (subtle) --- */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* --- Page transition base --- */
.page-transition {
  opacity: 0;
  transform: translateY(12px);
  animation: heroFadeUp 600ms var(--ease-out) forwards;
  animation-delay: 50ms;
}