/* ============================================================
   GLOBAL TECH — ANIMATIONS
   Keyframes, scroll reveals y micro-interacciones.
   Todas respetan prefers-reduced-motion (ver reset).
   ============================================================ */

@layer sections {

  /* ----------------------------------------------------------
     KEYFRAMES
     ---------------------------------------------------------- */
  @keyframes spin { to { transform: rotate(360deg); } }

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

  @keyframes loaderPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.75; transform: scale(0.97); }
  }

  @keyframes loaderBar {
    0%   { transform: translateX(-110%); }
    100% { transform: translateX(260%); }
  }

  @keyframes badgeBump {
    0%   { transform: scale(1); }
    40%  { transform: scale(1.45); }
    100% { transform: scale(1); }
  }

  @keyframes marquee {
    to { transform: translateX(-50%); }
  }

  @keyframes scrollHint {
    0%   { transform: translateY(-100%); }
    60%, 100% { transform: translateY(100%); }
  }

  @keyframes waPulse {
    0%, 100% { box-shadow: 0 8px 28px rgba(37, 211, 102, 0.35), 0 0 0 0 rgba(37, 211, 102, 0.35); }
    50%      { box-shadow: 0 8px 28px rgba(37, 211, 102, 0.35), 0 0 0 14px rgba(37, 211, 102, 0); }
  }

  @keyframes toastIn {
    from { opacity: 0; transform: translateY(16px) scale(0.96); }
    to   { opacity: 1; transform: none; }
  }

  @keyframes toastOut {
    to { opacity: 0; transform: translateY(10px) scale(0.97); }
  }

  @keyframes successPop {
    0%   { transform: scale(0.4); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
  }

  /* Anillo que emana del check de confirmación */
  @keyframes successRing {
    0%   { transform: scale(1);   opacity: 0.7; }
    100% { transform: scale(1.6); opacity: 0; }
  }

  @keyframes heroWordUp {
    from { opacity: 0; transform: translateY(38px); }
    to   { opacity: 1; transform: none; }
  }

  @keyframes goldBorderFlow {
    to { background-position: 200% center; }
  }

  /* ----------------------------------------------------------
     HERO — entrada escalonada
     ---------------------------------------------------------- */
  .hero__content > * {
    opacity: 0;
    animation: heroWordUp 800ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
  }

  .hero__content > *:nth-child(1) { animation-delay: 250ms; }
  .hero__content > *:nth-child(2) { animation-delay: 420ms; }
  .hero__content > *:nth-child(3) { animation-delay: 620ms; }
  .hero__content > *:nth-child(4) { animation-delay: 800ms; }
  .hero__content > *:nth-child(5) { animation-delay: 960ms; }

  .hero__scroll {
    opacity: 0;
    animation: heroWordUp 700ms ease 1300ms forwards;
  }

  /* ----------------------------------------------------------
     SCROLL REVEALS (activados por Intersection Observer)
     ---------------------------------------------------------- */
  .reveal {
    opacity: 0;
    transform: translateY(34px);
    transition: opacity 700ms cubic-bezier(0.22, 1, 0.36, 1),
                transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--reveal-delay, 0ms);
  }

  .reveal--left  { transform: translateX(-40px); }
  .reveal--right { transform: translateX(40px); }
  .reveal--scale { transform: scale(0.92); }

  .reveal.in-view {
    opacity: 1;
    transform: none;
  }

  /* Scroll-driven nativo donde esté soportado (progresivo) */
  @supports (animation-timeline: view()) {
    @media (prefers-reduced-motion: no-preference) {
      .sda-fade {
        animation: heroWordUp linear both;
        animation-timeline: view();
        animation-range: entry 0% entry 55%;
      }
    }
  }

  /* Borde dorado animado (acento premium) */
  .gold-border-flow {
    position: relative;
  }

  .gold-border-flow::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: var(--g-gold-h);
    background-size: 200% auto;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: goldBorderFlow 5s linear infinite;
    pointer-events: none;
    opacity: 0.7;
  }

  @media (prefers-reduced-motion: reduce) {
    .reveal {
      opacity: 1;
      transform: none;
    }
    .hero__content > *, .hero__scroll {
      opacity: 1;
      animation: none;
    }
    .marquee { animation: none; flex-wrap: wrap; }
    .gold-border-flow::before { animation: none; }
  }
}