/* Osiris One — homepage. Layout/visuals are inline on the markup (baked
   faithfully from the Osiris Home design); this file holds only globals,
   keyframes, the grain texture, and reduced-motion handling. */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: inherit; }

@keyframes osFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(7px); } }
@keyframes osPulse { 0%, 100% { opacity: .5; transform: scale(1); } 50% { opacity: .95; transform: scale(1.12); } }

[data-grain] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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