/* Product history and roadmap reuse the site's receipt tokens in both themes. */
.evolution { padding: 116px 0 80px; }
.evolution h1 { font: 700 clamp(30px, 5vw, 56px)/1.15 var(--display); letter-spacing: -.035em; margin: 20px 0; }
.evolution .lead-p { max-width: 720px; font-size: 19px; color: var(--muted); }
.evo-nav { display: flex; flex-wrap: wrap; gap: 8px; }
.evo-nav a { padding: 8px 14px; border: 1px solid var(--line); border-radius: 6px; text-decoration: none; font-size: 14px; }
.evo-nav a[aria-current="page"] { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.evo-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 64px; margin-top: 52px; align-items: start; }
.evo-aside { position: sticky; top: 100px; border-top: 1px dashed var(--rule); padding-top: 24px; }
.evo-aside h2 { font-size: 20px; margin: 0 0 12px; }
.evo-aside p { font-size: 14px; color: var(--muted); margin-bottom: 20px; }
.evo-aside .btn { width: 100%; margin-bottom: 10px; }
.evo-aside .aside-block + .aside-block { border-top: 1px dashed var(--rule); margin-top: 24px; padding-top: 24px; }
.evo-search { display: grid; gap: 8px; color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.evo-search input { width: 100%; padding: 12px 14px; border: 1px solid var(--rule); border-radius: 6px; background: var(--surface); color: var(--fg); font: inherit; }
.release { display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 24px; padding: 28px 0; border-top: 1px dashed var(--rule); scroll-margin-top: 90px; }
.release-date { display: flex; align-items: baseline; gap: 10px; font: 12px/1.8 var(--mono); color: var(--muted); }
.release-date a { color: var(--muted); }
.release h2 { font-size: 23px; line-height: 1.35; margin-bottom: 22px; text-wrap: pretty; }
.release ul, .road-branch ul { padding: 0; margin: 0; list-style: none; }
.release li + li { margin-top: 18px; }
.release li p { margin-top: 6px; font-size: 15px; text-wrap: pretty; }
.release-tag, .road-status { display: inline-block; color: var(--muted); font: 11px/1.6 var(--mono); text-transform: uppercase; letter-spacing: .04em; }
.evo-note { color: var(--muted); font-size: 14px; margin-top: 20px; max-width: 720px; }
.evo-empty { padding: 32px 0; color: var(--muted); }
.road-root { display: inline-block; border: 1px solid var(--fg); border-radius: 6px; padding: 16px 24px; font: 600 18px var(--display); }
.road-map { margin-top: 40px; max-width: 950px; }
.road-trunk { border-left: 1px dashed var(--rule); margin-left: 30px; padding: 32px 0 0 38px; }
.road-branch { position: relative; margin-bottom: 24px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.road-branch::before { content: ""; position: absolute; left: -39px; top: 35px; width: 38px; border-top: 1px dashed var(--rule); }
.road-branch summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; list-style: none; cursor: pointer; padding: 24px; }
.road-branch summary::-webkit-details-marker { display: none; }
.road-branch summary b { font-size: 23px; }
.road-branch summary small { display: block; color: var(--muted); font-size: 14px; margin-top: 4px; }
.road-count { white-space: nowrap; color: var(--muted); font: 14px var(--mono); }
.road-count span { display: inline-block; font-size: 22px; margin-left: 12px; }
.road-branch[open] .road-count span { transform: rotate(45deg); }
.road-branch ul { padding: 0 24px 24px; display: grid; gap: 24px; }
.road-branch li { padding-top: 20px; border-top: 1px dashed var(--rule); }
.road-branch h3 { margin: 6px 0; font-size: 18px; }
.road-branch li p { color: var(--muted); max-width: 680px; font-size: 15px; text-wrap: pretty; }
.road-status.building { color: var(--blue); }
.road-status.planned { color: var(--amber); }
.road-links { margin: 32px 0; display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 900px) {
  .evo-layout { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .evo-aside { position: static; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .evo-aside .aside-block + .aside-block { margin: 0; padding: 0; border: 0; }
}
@media (max-width: 600px) {
  .evolution { padding-top: 96px; }
  .release { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .release h2 { font-size: 21px; }
  .evo-aside { grid-template-columns: minmax(0, 1fr); }
  .road-trunk { margin-left: 10px; padding-left: 18px; }
  .road-branch::before { width: 18px; left: -19px; }
  .road-branch summary { padding: 18px; gap: 10px; }
  .road-branch summary b { font-size: 20px; }
  .road-branch ul { padding: 0 18px 18px; }
}