/* V2.8: an expandable public roadmap with explicit maturity states. */
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strong{border-color:rgba(136,120,255,.32);color:#c1b9ff;background:rgba(136,120,255,.07)}.chapter-card--future:before{background:#8995a8}.chapter-card--future .chapter-meta strong{border-style:dashed;color:#b4bece}.chapter-card--reference:before{background:#dce7f4;box-shadow:0 0 0 5px rgba(220,231,244,.08),0 0 14px rgba(220,231,244,.34)}.chapter-card--reference .chapter-meta strong{border-color:rgba(220,231,244,.33);color:#e1e8f4;background:rgba(220,231,244,.06)}@media(prefers-reduced-motion:no-preference){.chapter-card:nth-child(2n){animation:chapterBreath 5.2s ease-in-out 1.3s infinite}.chapter-card:nth-child(3n){animation-delay:2.4s}}@keyframes chapterBreath{50%{box-shadow:inset 0 1px rgba(255,255,255,.06),0 16px 38px rgba(22,25,52,.16)}}@media(max-width:860px){.chapter-grid{gap:14px}.chapter-card{padding:22px 20px 18px}.chapter-card details ul{grid-template-columns:1fr}.chapter-card 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