/* Data repository, round 3: "Where this dataset is used" (src/features/data/usedby.js),
   each link an archive request slip. Prefix: du-. */
.du { border-top: 1px solid var(--line); }
.du-kicker { margin: 0 0 0.2rem; color: var(--accent-dark); font-family: var(--font-serif); font-variant-caps: all-small-caps; letter-spacing: 0.16em; font-size: 1rem; }
.du-lede, .du-none { margin: 0.4rem 0 0; color: var(--muted); }
.du-none { font-style: italic; }
.du-groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--s-3); margin-top: var(--s-3); }
.du-h3 { display: flex; align-items: center; gap: 0.5rem; margin: 0; font-family: var(--font-serif); font-weight: 560; font-size: 1.25rem; color: var(--ink); }
.du-n { display: inline-grid; place-items: center; min-width: 1.6rem; height: 1.6rem; padding: 0 0.35rem; border-radius: 999px; background: var(--ink); color: #F2C14E; font: 700 0.76rem var(--font); }
.du-sub { margin: 0.15rem 0 0.7rem; font-size: 0.84rem; color: var(--muted); }
.du-list { display: grid; gap: 0.55rem; margin: 0; padding: 0; list-style: none; }
.du-list a {
  position: relative; display: grid; gap: 0.15rem; padding: 0.7rem 0.9rem 0.75rem 1.4rem; text-decoration: none; color: var(--text);
  background: #FBF6EA; border: 1px solid #E6DCC4; border-radius: 2px;
  box-shadow: 0 6px 14px -12px rgba(42, 27, 69, 0.5); transition: transform 0.2s ease;
}
.du-list a::before { /* the slip's punched hole */
  content: ""; position: absolute; left: 0.5rem; top: 50%; width: 0.42rem; height: 0.42rem; margin-top: -0.21rem; border-radius: 50%;
  background: var(--paper, #fff); box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.25);
}
.du-list a:hover, .du-list a:focus-visible { transform: translateX(3px); }
.du-kind { font: 600 0.66rem ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: 0.12em; text-transform: uppercase; color: #8A6A1E; }
.du-title { font-family: var(--font-serif); font-size: 1.04rem; line-height: 1.3; color: var(--ink); }
@media (prefers-reduced-motion: reduce) { .du-list a { transition: none; } .du-list a:hover { transform: none; } }