/* ==========================================================================
   animations.css — Avocado Technology
   Keyframes and animation utility classes
   Read DESIGN.md before editing anything in this file.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Scroll-reveal base state (no-motion: visible immediately)
   -------------------------------------------------------------------------- */
.scroll-reveal {
  opacity: 0;
  transform: translateY(20px);
}

.scroll-reveal.visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* --------------------------------------------------------------------------
   All animations wrapped in prefers-reduced-motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {

  /* --------------------------------------------------------------------------
     @keyframes — content entrances
     -------------------------------------------------------------------------- */
  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(24px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes slideUp {
    from {
      opacity: 0;
      transform: translateY(32px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* --------------------------------------------------------------------------
     @keyframes — UI micro-animations
     -------------------------------------------------------------------------- */
  @keyframes bounce {
    0%, 80%, 100% { transform: translateY(0); }
    40%           { transform: translateY(-6px); }
  }

  @keyframes pulse {
    0%, 100% { opacity: 1;   transform: scale(1); }
    50%      { opacity: 0.6; transform: scale(0.85); }
  }

  /* --------------------------------------------------------------------------
     @keyframes — device showcase float
     -------------------------------------------------------------------------- */
  @keyframes deviceFloat {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-8px); }
  }

  /* --------------------------------------------------------------------------
     @keyframes — clients marquee
     -------------------------------------------------------------------------- */
  @keyframes marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
  }

  /* --------------------------------------------------------------------------
     @keyframes — typewriter cursor blink
     -------------------------------------------------------------------------- */
  @keyframes blink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0; }
  }

  /* --------------------------------------------------------------------------
     Animation utility classes
     -------------------------------------------------------------------------- */

  /* Entrance animations */
  .anim-fade-up  { animation: fadeUp  0.6s ease both; }
  .anim-slide-up { animation: slideUp 0.7s ease both; }

  /* Animation delay helpers (used for staggered sequences) */
  .anim-delay-1 { animation-delay: 0.12s; }
  .anim-delay-2 { animation-delay: 0.24s; }
  .anim-delay-3 { animation-delay: 0.36s; }
  .anim-delay-4 { animation-delay: 0.48s; }
  .anim-delay-5 { animation-delay: 0.60s; }
  .anim-delay-6 { animation-delay: 0.72s; }

  /* Typing indicator dots */
  .typing-dot:nth-child(1) { animation: bounce 1.2s ease-in-out infinite; }
  .typing-dot:nth-child(2) { animation: bounce 1.2s ease-in-out 0.2s infinite; }
  .typing-dot:nth-child(3) { animation: bounce 1.2s ease-in-out 0.4s infinite; }

  /* Pulsing dot on live badge and chat header */
  .pulse-dot { animation: pulse 2s ease-in-out infinite; }

  /* Marquee track */
  .marquee-track { animation: marquee 28s linear infinite; }

  /* Scroll-reveal transition (only when motion is OK) */
  .scroll-reveal {
    transition: opacity 0.5s ease, transform 0.5s ease;
  }

  /* Staggered card reveals inside a grid */
  .scroll-reveal-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
  }

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

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

  /* --------------------------------------------------------------------------
     Testimonial pop — chat-message entrance variant of scroll-reveal-stagger
     Overrides the plain translateY with a combined Y + scale for a subtle
     "message bubble appearing" feel. Per-card delays (150 ms apart) override
     the generic 80 ms stagger so each card visibly finishes before the next
     one starts — like chat messages arriving in sequence.
     -------------------------------------------------------------------------- */
  .scroll-reveal-stagger > .testimonial-pop {
    transform: translateY(18px) scale(0.96);
    transition: opacity 0.55s ease, transform 0.55s ease;
  }

  .scroll-reveal-stagger.visible > .testimonial-pop {
    transform: none; /* resolves to translateY(0) scale(1) */
  }

  /* Per-card delays — 150 ms apart, higher specificity beats > *:nth-child */
  .scroll-reveal-stagger.visible > .testimonial-pop:nth-child(1) { transition-delay:   0ms; }
  .scroll-reveal-stagger.visible > .testimonial-pop:nth-child(2) { transition-delay: 150ms; }
  .scroll-reveal-stagger.visible > .testimonial-pop:nth-child(3) { transition-delay: 300ms; }
  .scroll-reveal-stagger.visible > .testimonial-pop:nth-child(4) { transition-delay: 450ms; }
  .scroll-reveal-stagger.visible > .testimonial-pop:nth-child(5) { transition-delay: 600ms; }
  .scroll-reveal-stagger.visible > .testimonial-pop:nth-child(6) { transition-delay: 750ms; }

}

/* --------------------------------------------------------------------------
   Typewriter cursor
   -------------------------------------------------------------------------- */
.tw-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--muted);
  margin-left: 1px;
  vertical-align: middle;
}

@media (prefers-reduced-motion: no-preference) {
  .tw-cursor {
    animation: blink 1s infinite;
  }
}