/* src/css/animations.css */

/* ── Scroll reveal ───────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity var(--duration-slow) var(--ease-out-expo),
    transform var(--duration-slow) var(--ease-out-expo);
}

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

/* Stagger delay via CSS custom property */
.reveal[data-delay="1"] { transition-delay: 80ms; }
.reveal[data-delay="2"] { transition-delay: 160ms; }
.reveal[data-delay="3"] { transition-delay: 240ms; }
.reveal[data-delay="4"] { transition-delay: 320ms; }
.reveal[data-delay="5"] { transition-delay: 400ms; }

/* ── Carrusel de logos ───────────────────── */

.carousel-track {
  display: flex;
  gap: var(--space-12);
  align-items: center;
  width: max-content;
  animation: carousel-scroll 30s linear infinite;
}

.carousel-track:hover {
  animation-play-state: paused;
}

@keyframes carousel-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.carousel-logo {
  flex-shrink: 0;
  height: 48px;
  width: auto;
  max-width: 160px;
  opacity: 0.7;
  transition: opacity var(--duration-base) var(--ease-out-expo);
}

.carousel-logo:hover {
  opacity: 1;
}

/* Placeholder de logo mientras no hay assets */
.carousel-logo-placeholder {
  flex-shrink: 0;
  height: 36px;
  padding: 0 var(--space-4);
  background: var(--color-border-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted-dk);
  letter-spacing: 0.04em;
  opacity: 0.6;
  white-space: nowrap;
}

/* ── Scroll dot ─────────────────────────── */

@keyframes scrollBounce {
  0%   { transform: translateY(0);    opacity: 1;   }
  60%  { transform: translateY(20px); opacity: 0.4; }
  100% { transform: translateY(0);    opacity: 1;   }
}

.hero-scroll-dot {
  animation: scrollBounce 1.8s ease-in-out 1.5s infinite;
}

/* ── Hero entrance ───────────────────────── */
/* Sin IntersectionObserver — el hero es lo primero visible */

@keyframes heroIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge    { animation: heroIn 0.6s var(--ease-out-expo) 0.10s both; }
.hero-headline { animation: heroIn 0.7s var(--ease-out-expo) 0.25s both; }
.hero-sub      { animation: heroIn 0.7s var(--ease-out-expo) 0.40s both; }
.hero-actions  { animation: heroIn 0.7s var(--ease-out-expo) 0.55s both; }

/* ── Prefers reduced motion ──────────────── */
/*
  Usuarios con sensibilidad al movimiento: deshabilitar
  todas las animaciones y transiciones no esenciales.
  Se mantiene visibility/display para no romper
  elementos que dependen de ellas para mostrarse.
*/

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .reveal[data-delay="1"],
  .reveal[data-delay="2"],
  .reveal[data-delay="3"],
  .reveal[data-delay="4"],
  .reveal[data-delay="5"] {
    transition-delay: 0ms;
  }

  /* Hero: cancelar delay + animación para evitar invisibilidad */
  .hero-badge,
  .hero-headline,
  .hero-sub,
  .hero-actions,
  .hero-scroll-dot {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .carousel-track {
    animation: none;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}