/* ================================================================
    MCT4SD 2026 — ANIMATION KEYFRAMES & UTILITIES
    ================================================================ */

  /* 1. Core fade-up */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(40px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  /* 2. Fade in */
  @keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
  }

  /* 3. Scale in */
  @keyframes scaleIn {
    from { opacity: 0; transform: scale(0.88); }
    to   { opacity: 1; transform: scale(1); }
  }

  /* 4. Slide from left */
  @keyframes slideLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to   { opacity: 1; transform: translateX(0); }
  }

  /* 5. Slide from right */
  @keyframes slideRight {
    from { opacity: 0; transform: translateX(40px); }
    to   { opacity: 1; transform: translateX(0); }
  }

  /* 6. Pulse (for badge dot) */
  @keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.5; transform: scale(1.5); }
  }

  /* 7. Gold pulse (Register button) */
  @keyframes pulseGold {
    0%, 100% { box-shadow: 0 0 0 0 rgba(26,139,173,0.55); }
    50%      { box-shadow: 0 0 0 14px rgba(26,139,173,0); }
  }

  /* 8. Shimmer (gradient text) */
  @keyframes shimmer {
    0%   { background-position: -200% center; }
    100% { background-position: 200% center; }
  }

  /* 9. Float (decorative elements) */
  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-18px); }
  }

  /* 10. Scroll line (hero indicator) */
  @keyframes scrollLine {
    0%   { transform: scaleY(0); transform-origin: top; }
    49%  { transform: scaleY(1); transform-origin: top; }
    50%  { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
  }

  /* 11. Rotate slow (decorative rings) */
  @keyframes rotateSlow {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
  }

  /* 12. Gradient border animation */
  @keyframes gradientBorder {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }

  /* 13. Marquee (partner logos) */
  @keyframes marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
  }

  /* 14. Curtain reveal (page transition) */
  @keyframes curtainIn {
    from { transform: translateX(-100%); }
    to   { transform: translateX(0); }
  }

  @keyframes curtainOut {
    from { transform: translateX(0); }
    to   { transform: translateX(100%); }
  }

  /* 15. Countdown flip */
  @keyframes flipTop {
    0%   { transform: rotateX(0deg); }
    100% { transform: rotateX(-90deg); }
  }

  @keyframes flipBottom {
    0%   { transform: rotateX(90deg); }
    100% { transform: rotateX(0deg); }
  }

  /* ============================================================
    ANIMATION UTILITY CLASSES
    ============================================================ */

  /* Reveal on scroll — initial hidden state (GSAP triggers these) */
  .reveal-up {
    opacity: 0;
    transform: translateY(50px);
  }

  .reveal-left {
    opacity: 0;
    transform: translateX(-40px);
  }

  .reveal-right {
    opacity: 0;
    transform: translateX(40px);
  }

  .reveal-scale {
    opacity: 0;
    transform: scale(0.88);
  }

  .reveal-stagger > * {
    opacity: 0;
    transform: translateY(40px);
  }

  /* Inline animation utilities (for elements that should animate without GSAP) */
  .animate-fade-up {
    animation: fadeUp 0.8s var(--ease-out) both;
  }

  .animate-fade-in {
    animation: fadeIn 0.6s var(--ease-out) both;
  }

  .animate-scale-in {
    animation: scaleIn 0.6s var(--ease-out) both;
  }

  .animate-slide-left {
    animation: slideLeft 0.8s var(--ease-out) both;
  }

  .animate-slide-right {
    animation: slideRight 0.8s var(--ease-out) both;
  }

  .animate-float {
    animation: float 4s ease-in-out infinite;
  }

  .animate-rotate-slow {
    animation: rotateSlow 20s linear infinite;
  }

  .animate-pulse-dot {
    animation: pulseDot 2s infinite;
  }

  .animate-shimmer {
    animation: shimmer 4s linear infinite;
  }

  /* Stagger delay utilities */
  .delay-100 { animation-delay: 0.1s; }
  .delay-200 { animation-delay: 0.2s; }
  .delay-300 { animation-delay: 0.3s; }
  .delay-400 { animation-delay: 0.4s; }
  .delay-500 { animation-delay: 0.5s; }
  .delay-600 { animation-delay: 0.6s; }
  .delay-700 { animation-delay: 0.7s; }
  .delay-800 { animation-delay: 0.8s; }
  .delay-900 { animation-delay: 0.9s; }
  .delay-1000 { animation-delay: 1.0s; }

  /* Fallback: if JS is disabled or GSAP fails, show all reveal elements */
  .no-js .reveal-up,
  .no-js .reveal-left,
  .no-js .reveal-right,
  .no-js .reveal-scale,
  .no-js .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }

  /* Reduced motion preference */
  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }

    .reveal-up,
    .reveal-left,
    .reveal-right,
    .reveal-scale,
    .reveal-stagger > * {
      opacity: 1;
      transform: none;
    }

    .marquee-track {
      animation: none;
    }

    .hero-scroll__line {
      animation: none;
    }
  }