/* ML ATLAS — Cinematic Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 18px rgba(108, 99, 255, 0.14); }
  50% { box-shadow: 0 0 30px rgba(0, 212, 255, 0.22); }
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.animate-fade { animation: fadeIn 0.4s ease forwards; }
.animate-up { animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards; opacity: 0; }
.glow-pulse { animation: pulseGlow 3s ease-in-out infinite; }
.float { animation: floatY 6s ease-in-out infinite; }

/* Reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* A quiet entrance gives the long-form pages a sense of place without slowing reading. */
.model-hero { animation: hero-arrive 850ms cubic-bezier(.16, 1, .3, 1) both; }
.model-dna-card { animation: card-arrive 900ms 120ms cubic-bezier(.16, 1, .3, 1) both; }
.section-block { animation: section-arrive 700ms both; animation-timeline: view(); animation-range: entry 0% cover 18%; }
@keyframes hero-arrive { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes card-arrive { from { opacity: 0; transform: translateX(20px) rotate(1deg); } to { opacity: 1; transform: translateX(0) rotate(0); } }
@keyframes section-arrive { from { opacity: .2; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* Stagger helper */
.stagger > * { opacity: 0; transform: translateY(20px); transition: opacity 0.5s ease, transform 0.5s ease; }
.stagger.visible > * { opacity: 1; transform: translateY(0); }
.stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger.visible > *:nth-child(2) { transition-delay: 0.12s; }
.stagger.visible > *:nth-child(3) { transition-delay: 0.19s; }
.stagger.visible > *:nth-child(4) { transition-delay: 0.26s; }
.stagger.visible > *:nth-child(5) { transition-delay: 0.33s; }
.stagger.visible > *:nth-child(6) { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal, .animate-up, .stagger > * { opacity: 1 !important; transform: none !important; }
}