.paper { max-width: 940px; }
.nav a[aria-current="true"] { color: var(--ink); }
.breadcrumb { margin: 0 0 28px; font-size: .9rem; }
.paper-header h1 { max-width: 880px; font-size: clamp(2.1rem, 4.4vw, 3.3rem); line-height: 1.12; }
.paper-header .lede { margin-top: 26px; }
.byline { margin-bottom: 8px; }
.paper-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; margin: 26px 0; }
.paper-link { display: inline-block; padding: 10px 18px; border: 1px solid var(--accent); background: var(--accent); color: var(--bg); text-decoration: none; }
.paper-link:hover { background: var(--ink); }
.paper-contents { display: flex; gap: 10px 24px; flex-wrap: wrap; font-size: .9rem; margin-top: 28px; }
.paper p, .paper li { max-width: 78ch; }
.paper .section { scroll-margin-top: 24px; }
.process { margin: 28px 0; }
.process ol { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; padding: 0; margin: 0; list-style: none; }
.process li { border-top: 3px solid var(--accent); background: var(--panel); padding: 18px; }
.process .step { display: block; color: var(--muted); font: 700 .75rem Arial, Helvetica, sans-serif; margin-bottom: 12px; }
.process strong { display: block; font-size: 1.05rem; line-height: 1.25; margin-bottom: 10px; }
.process li p { font-size: .92rem; line-height: 1.5; margin: 0; }
.process figcaption { font-size: .85rem; color: var(--muted); margin-top: 12px; }
.results-scroll { overflow-x: auto; margin: 24px 0; }
.results { border-collapse: collapse; width: 100%; font-size: .9rem; font-variant-numeric: tabular-nums; }
.results caption { text-align: left; font-weight: bold; margin-bottom: 12px; }
.results th, .results td { text-align: left; vertical-align: top; padding: 12px 14px; border-bottom: 1px solid var(--rule); }
.results thead { background: var(--panel); }
.results th:first-child, .results td:first-child { padding-left: 12px; }
.results .highlight { background: var(--panel); font-weight: bold; }
.source-note { font-size: .87rem; color: var(--muted); }
.equation { padding: 18px 22px; background: var(--panel); border-left: 3px solid var(--accent); }
.equation code { white-space: normal; font-size: 1rem; }
.citation { overflow-wrap: anywhere; }
a:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
@media (max-width: 760px) {
  .process ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .results th, .results td { padding: 10px; }
}
@media (max-width: 440px) {
  .process ol { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  .site-header, .paper-contents, .paper-actions, .breadcrumb { display: none; }
  main.paper { padding: 0; }
  .process ol { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .results-scroll { overflow: visible; }
}