/* ==========================================================================
   ANIMATIONS.CSS — Keyframes y animaciones de scroll reveal
   ========================================================================== */

/* ── Scroll Reveal Base ────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 80ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 160ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 240ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 320ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 480ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(8) { transition-delay: 560ms; opacity: 1; transform: translateY(0); }

/* ── Hero Entrance ─────────────────────────────────────────────── */
.hero__badge {
  animation: fadeSlideUp 0.6s var(--ease-out) 0.2s both;
}

.hero__title {
  animation: fadeSlideUp 0.6s var(--ease-out) 0.4s both;
}

.hero__subtitle {
  animation: fadeSlideUp 0.6s var(--ease-out) 0.6s both;
}

.hero__cta {
  animation: fadeSlideUp 0.6s var(--ease-out) 0.8s both;
}

.hero__stats {
  animation: fadeSlideUp 0.6s var(--ease-out) 1s both;
}

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

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

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ── Floating Animation (decorative elements) ──────────────────── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* ── Typing Cursor ─────────────────────────────────────────────── */
.typing-cursor::after {
  content: '|';
  color: var(--accent);
  animation: blink 1s step-end infinite;
  margin-left: 2px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ── Card Shimmer (loading state) ──────────────────────────────── */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.shimmer {
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 25%,
    var(--bg-elevated) 37%,
    var(--bg-tertiary) 63%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

/* ── Gradient Border Animation ─────────────────────────────────── */
@keyframes rotateBorder {
  0% { --angle: 0deg; }
  100% { --angle: 360deg; }
}

/* ── 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,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
  }

  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}