:root{--kw-accent:hsl(230,55%,45%);--kw-bg:#f8fafc;--kw-text:#0f172a;} h1,h2{color:var(--kw-accent);} a{color:var(--kw-accent);} .kw-hero{background:linear-gradient(135deg,hsla(230,70%,96%,1),#fff);padding:1.5rem;border-radius:12px;}