:root{--os-bg:#f8fafc;--os-fg:#0a0a0a;--os-primary:#7c3aed;--os-primary-600:#6d28d9;--os-accent:#00aef4}.bg-os-bg{background:var(--os-bg)}.text-os-fg{color:var(--os-fg)}.os-cta{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,rgba(124,58,237,.96),rgba(124,58,237,.82));color:white;border:1px solid rgba(0,0,0,.08);border-radius:.875rem;padding:.5rem .875rem;box-shadow:0 10px 30px rgba(124,58,237,.18);transition:filter .15s ease,transform .15s ease,box-shadow .15s ease}.os-cta:hover{filter:brightness(1.02);box-shadow:0 12px 36px rgba(124,58,237,.24)}.os-cta:active{transform:translateY(.5px)}