/* ================================================
   REVEAL ANIMATIONS
================================================ */

    .reveal-on-scroll {
      opacity: 0;
      transform: translateY(36px);
      transition-property: opacity, transform;
      transition-duration: var(--duration-reveal);
      transition-timing-function: var(--ease-smooth);
    }
    .reveal-on-scroll.animate-in {
      opacity: 1;
      transform: translateY(0);
    }
    .reveal-from-left {
      opacity: 0;
      transform: translateX(-40px);
      transition-property: opacity, transform;
      transition-duration: var(--duration-reveal);
      transition-timing-function: var(--ease-smooth);
    }
    .reveal-from-left.animate-in {
      opacity: 1;
      transform: translateX(0);
    }
    .reveal-scale {
      opacity: 0;
      transform: scale(0.92);
      transition-property: opacity, transform;
      transition-duration: var(--duration-reveal);
      transition-timing-function: var(--ease-smooth);
    }
    .reveal-scale.animate-in {
      opacity: 1;
      transform: scale(1);
    }

    /* Stagger Delays */
    .delay-100 { transition-delay: 50ms; }
    .delay-200 { transition-delay: 100ms; }
    .delay-300 { transition-delay: 150ms; }
    .delay-400 { transition-delay: 200ms; }
    .delay-500 { transition-delay: 250ms; }
    .delay-600 { transition-delay: 300ms; }
    .delay-700 { transition-delay: 350ms; }

    @media (prefers-reduced-motion: reduce) {
      .reveal-on-scroll, .reveal-from-left, .reveal-scale {
        transition: none; opacity: 1; transform: none;
      }
    }

    
/* ================================================
   ANIMATION DEMO
================================================ */

    .anim-demo {
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }
    .anim-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
      background: var(--surface-2);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-lg);
      padding: 1.125rem 1.5rem;
    }
    .anim-info { flex: 1; }
    .anim-name { font-size: 0.9rem; font-weight: 600; margin-bottom: 0.25rem; }
    .anim-code { font-size: 0.75rem; color: var(--color-blue-primary); font-family: var(--font-mono); }
    .anim-preview { width: 100px; display: flex; justify-content: flex-end; }

    /* --- pulse-glow --- */
    @keyframes pulse-glow {
      0%, 100% { box-shadow: 0 0 10px rgba(15,112,183,0.3); }
      50%       { box-shadow: 0 0 30px rgba(15,112,183,0.7), 0 0 60px rgba(15,112,183,0.3); }
    }
    .anim-pulse-glow {
      width: 44px; height: 44px;
      background: var(--color-blue-primary);
      border-radius: 50%;
      animation: pulse-glow 2s ease-in-out infinite;
    }

    /* --- spin-slow --- */
    @keyframes spin-slow {
      to { transform: rotate(360deg); }
    }
    .anim-spin-slow {
      width: 40px; height: 40px;
      border: 2.5px solid var(--border-soft);
      border-top-color: var(--color-blue-primary);
      border-radius: 50%;
      animation: spin-slow 1.2s linear infinite;
    }

    /* --- float --- */
    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50%       { transform: translateY(-10px); }
    }
    .anim-float {
      width: 44px; height: 44px;
      background: var(--gradient-primary);
      border-radius: var(--radius-md);
      animation: float 3s ease-in-out infinite;
      box-shadow: var(--shadow-glow-sm);
    }

    /* --- slide-in-up --- */
    @keyframes slide-in-up {
      from { opacity: 0; transform: translateY(20px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .anim-slide-in-up {
      height: 44px;
      background: var(--gradient-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      width: 80px;
      animation: slide-in-up 0.8s var(--ease-smooth) infinite alternate;
    }

    /* --- gradient-shift --- */
    @keyframes gradient-shift {
      0%   { background-position: 0% 50%; }
      50%  { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }
    .anim-gradient-shift {
      width: 80px; height: 44px;
      background: linear-gradient(270deg, #0f70b7, #89a4d6, #dae0f3, #0f70b7);
      background-size: 300% 300%;
      border-radius: var(--radius-md);
      animation: gradient-shift 3s ease infinite;
    }

    /* --- breadth --- */
    @keyframes breadth {
      0%, 100% { transform: scaleX(1); }
      50%       { transform: scaleX(1.08); }
    }
    .anim-breadth {
      width: 80px; height: 44px;
      background: var(--primary-20);
      border: 1.5px solid var(--color-blue-primary);
      border-radius: var(--radius-md);
      animation: breadth 2s ease-in-out infinite;
    }