/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* ============================================================
   Ambient background drift
   ============================================================ */
@keyframes drift-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-30px, 40px) scale(1.08); }
}

@keyframes drift-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -30px) scale(1.05); }
}

.blob--amber { animation: drift-1 22s ease-in-out infinite; }
.blob--moss { animation: drift-2 26s ease-in-out infinite; }
.blob--rose { animation: drift-1 24s ease-in-out infinite reverse; }

/* ============================================================
   Hero floating cards
   ============================================================ */
@keyframes float-1 {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-16px) rotate(-1deg); }
}

@keyframes float-2 {
  0%, 100% { transform: translateY(0) rotate(2deg); }
  50% { transform: translateY(-22px) rotate(3deg); }
}

@keyframes float-3 {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-12px) rotate(0deg); }
}

/* ============================================================
   AI scan section
   ============================================================ */
@keyframes scan-sweep {
  0% { top: 8%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { top: 92%; opacity: 0; }
}

@keyframes tag-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.scan-tag {
  animation-play-state: paused;
}

.ai-section.is-visible .scan-tag {
  animation-play-state: running;
}

/* ============================================================
   Logo mark gentle pulse (used sparingly)
   ============================================================ */
@keyframes pulse-soft {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@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 {
    opacity: 1;
    transform: none;
  }

  .scan-line {
    display: none;
  }

  .scan-tag {
    opacity: 1;
    transform: none;
  }
}