@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(var(--space-md));
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(var(--space-md));
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* Slow, restrained ambient drift for the obsidian hero/CTA glow */
@keyframes ambient-drift {
  0%, 100% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.9;
  }
  50% {
    transform: translate3d(-2.5%, 1.5%, 0) scale(1.06);
    opacity: 1;
  }
}

.hero::before {
  animation: ambient-drift 22s ease-in-out infinite;
}

/* Independent, organic drift paths for the hero aurora light blooms */
@keyframes aurora-a {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  33%      { transform: translate3d(-26%, 20%, 0) scale(1.25); }
  66%      { transform: translate3d(14%, -16%, 0) scale(0.85); }
}

@keyframes aurora-b {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50%      { transform: translate3d(32%, -24%, 0) scale(1.3); }
}

@keyframes aurora-c {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  40%      { transform: translate3d(28%, 22%, 0) scale(1.22); }
  75%      { transform: translate3d(-22%, -14%, 0) scale(0.82); }
}

@keyframes aurora-d {
  0%, 100% { transform: translate3d(0, 0, 0) scale(0.9); }
  50%      { transform: translate3d(-24%, 26%, 0) scale(1.32); }
}

/* "Our approach" flow card — staggered entrance + gentle icon pulse */
@keyframes approach-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

@keyframes approach-ic-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(75, 147, 206, 0); }
  50%      { box-shadow: 0 0 16px 0 rgba(75, 147, 206, 0.4); }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}