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button:hover::after{background:#fff}@media(prefers-reduced-motion:no-preference){.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease-out,transform .6s ease-out}.reveal.is-visible{opacity:1;transform:none}}.stack-lg>:first-child{margin-top:0}.stack-lg h2{margin-top:0}.value-grid-ink{margin-top:var(--space-5);text-align:center}.value-grid-ink .icon{color:#5ed6d6}.value-grid-ink h3{color:var(--color-on-ink)}.value-grid-ink p{color:var(--color-on-ink-muted);font-size:.9rem}.eyebrow-accent-ink{color:#7fe0e0}.radon-tool{background:var(--color-surface);border-radius:var(--radius);padding:var(--space-3);margin:var(--space-3)0;max-width:var(--prose-width)}.tool-row{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2)}.tool-row label{font-weight:600}.tool-row input,.tool-row select{font:inherit;padding:.6rem .75rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-bg);min-height:44px}.tool-row input{width:8rem}.tool-result{font-size:1.35rem;font-weight:700;color:var(--color-accent);margin:var(--space-2)0 .25rem}.tool-note{font-size:.85rem;color:var(--color-muted);margin:.35rem 0 0}