@charset "UTF-8";
:root {
  --ink: #202827;
  --muted: #586461;
  --line: #d8dedb;
  --accent: #24584b;
  --panel: #f5f7f6;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 20px; }
body { margin: 0; background: #fff; color: var(--ink); font: 15px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }
a { color: var(--accent); text-underline-offset: 3px; }
button, select { font: inherit; }
button { cursor: pointer; }
button:focus-visible, a:focus-visible, select:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.skip-link { position: absolute; top: -100px; left: 16px; background: white; padding: 10px; z-index: 2; }
.skip-link:focus { top: 10px; }
.site-header, main, footer { max-width: 1200px; margin: auto; padding-left: 28px; padding-right: 28px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.brand { color: var(--ink); font-size: 15px; font-weight: 600; text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 20px; font-size: 13px; }
nav a { color: var(--muted); }
.page-intro { padding: 24px 0 20px; }
h1 { font-size: 26px; line-height: 1.3; font-weight: 600; margin: 0 0 5px; }
.page-intro p { margin: 0; font-size: 13px; color: var(--muted); }
h2 { font-size: 20px; line-height: 1.4; font-weight: 600; margin: 0; }
h3 { font-size: 15px; font-weight: 600; margin: 0 0 5px; }
section { margin-bottom: 40px; }
section + section { border-top: 1px solid var(--line); padding-top: 26px; }
.section-heading { margin-bottom: 14px; }
.section-heading p { margin: 4px 0 0; font-size: 13px; color: var(--muted); }
.player-shell { border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.player-toolbar { background: var(--panel); display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 14px; }
.player-label { font-size: 14px; font-weight: 600; }
.view-switch { display: flex; flex-shrink: 0; gap: 4px; }
.view-switch button { color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 3px; padding: 5px 10px; font-size: 12px; }
.view-switch button[aria-pressed=true] { color: white; background: var(--accent); border-color: var(--accent); }
video { width: 100%; display: block; aspect-ratio: 16/9; object-fit: contain; background: #111; }
.player-caption { background: var(--panel); display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; padding: 10px 14px; }
.player-caption p { margin: 0; color: var(--muted); font-size: 12px; }
.outcome { white-space: nowrap; font-size: 12px; font-weight: 600; }
.contact { color: #a23727; }
.goal { color: var(--accent); }
.method-note { margin: 12px 0; padding-left: 12px; border-left: 2px solid var(--line); font-size: 13px; color: var(--muted); }
.reference-comparison { border: 1px solid var(--line); border-radius: 6px; margin: 22px 0; overflow: hidden; }
.comparison-heading { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; padding: 18px 20px 12px; }
.comparison-heading h3 { font-size: 16px; margin: 0; }
.comparison-heading p { margin: 5px 0 0; font-size: 13px; color: var(--muted); }
.comparison-legend { display: flex; gap: 8px; flex-shrink: 0; font-size: 11px; }
.comparison-legend > span { padding: 4px 8px; border-radius: 3px; white-space: nowrap; }
.success-key { background: #e7f3eb; color: #205a3b; }
.contact-key { background: #fbefea; color: #913d2a; }
.comparison-scroll { padding: 0 18px; }
.table-hint { display: none; }
.comparison-table { min-width: 760px; width: 100%; border-spacing: 5px; border-collapse: separate; table-layout: fixed; margin: 0; }
.comparison-table caption { text-align: left; font-size: 12px; color: var(--muted); padding: 0 2px 10px; }
.comparison-table th, .comparison-table td { border: 0; text-align: left; padding: 0; }
.comparison-table thead th { height: 39px; padding: 0 8px 8px; vertical-align: bottom; font-size: 12px; text-align: center; }
.comparison-table th:first-child { width: 230px; text-align: left; }
.comparison-table tbody th { padding: 8px; font-size: 12px; color: var(--ink); font-weight: 550; }
.comparison-table tbody th span, .comparison-table tbody th small { display: block; }
.comparison-table tbody th small { color: var(--muted); font-size: 10px; font-weight: 400; margin-top: 3px; }
.comparison-table .current-encounter { color: #254f7b; box-shadow: inset 0 -2px #678db4; }
.comparison-cell { background: var(--panel); border-radius: 4px; }
.comparison-cell.success-cell { background: #e7f3eb; color: #205a3b; }
.comparison-cell.contact-cell { background: #fbefea; color: #913d2a; }
.comparison-cell button { width: 100%; min-height: 64px; color: inherit; border: 1px solid transparent; background: transparent; border-radius: 4px; padding: 8px 5px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
.comparison-cell button:hover { border-color: currentColor; }
.comparison-cell.selected-cell button { outline: 2px solid #346aa0; outline-offset: -2px; }
.cell-outcome { font-size: 12px; font-weight: 600; display: flex; align-items: center; gap: 5px; }
.comparison-cell small { font-size: 10px; font-variant-numeric: tabular-nums; }
.comparison-group-start > th, .comparison-group-start > td { border-top: 6px solid white; }
.comparison-selection { margin: 12px 20px 0; color: #254f7b; font-size: 12px; }
.reference-comparison > .quiet-note { margin: 8px 20px 18px; }
.demo-playlist { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 16px; }
.demo-card { color: var(--ink); text-align: left; border: 2px solid transparent; border-radius: 4px; padding: 0; background: var(--panel); overflow: hidden; }
.demo-card[aria-pressed=true] { border-color: var(--accent); }
.demo-card img { display: block; width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.card-copy { display: block; padding: 8px 10px; }
.demo-card strong { display: block; font-size: 12px; line-height: 1.5; font-weight: 600; }
.demo-card small { display: block; font-size: 11px; margin-top: 3px; color: var(--muted); }
.case-list { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0 18px; }
.case-button { background: #fff; color: var(--muted); border: 1px solid var(--line); border-radius: 3px; padding: 6px 12px; font-size: 13px; }
.case-button[aria-pressed=true] { background: var(--accent); color: #fff; border-color: var(--accent); }
.case-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 28px; margin-bottom: 12px; }
.case-header > p { margin: 0; font-size: 13px; color: var(--muted); max-width: 520px; }
.case-kicker { font-size: 12px; color: var(--muted); margin: 0 0 3px; }
.condition-label { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 12px; }
.condition-label select { color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 3px; padding: 6px 8px; font-size: 12px; max-width: 280px; }
.case-reading { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin: 20px 0; padding: 16px 18px; border-radius: 5px; background: var(--panel); }
.case-reading p { font-size: 13px; color: var(--muted); margin: 0; }
.results-details { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 10px 0; }
.results-details summary { cursor: pointer; font-size: 13px; font-weight: 600; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12px; margin-top: 10px; }
th { text-align: left; color: var(--muted); font-weight: 600; }
th, td { border-bottom: 1px solid var(--line); padding: 9px 12px 9px 0; }
th:last-child, td:last-child { text-align: right; }
.quiet-note { font-size: 12px; color: var(--muted); margin: 12px 0 0; }
.section-note { color: var(--muted); font-size: 13px; margin: 6px 0 18px; }
.method-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; align-items: start; }
.method-detail { border: 1px solid var(--line); border-radius: 5px; background: #fff; }
.method-detail summary { padding: 13px 16px; cursor: pointer; font-size: 13px; }
.method-detail summary > span { font-weight: 600; }
.method-detail summary small { display: block; margin: 2px 0 0 16px; color: var(--muted); font-size: 12px; }
.method-detail[open] summary { border-bottom: 1px solid var(--line); background: var(--panel); }
.method-detail p { color: var(--muted); font-size: 13px; margin: 0; padding: 13px 16px; }
.downloads { display: flex; flex-wrap: wrap; gap: 10px 24px; font-size: 13px; margin-top: 20px; }
footer { border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 18px; padding-bottom: 24px; font-size: 12px; color: var(--muted); }
.no-script { padding: 20px; }
@media (max-width: 850px) {
  .site-header { align-items: flex-start; }
  .player-toolbar { flex-wrap: wrap; gap: 10px; }
  .case-header { display: block; }
  .case-header > p { max-width: none; margin-top: 6px; }
  .comparison-heading { flex-direction: column; gap: 10px; }
}
@media (max-width: 560px) {
  .site-header, main, footer { padding-left: 16px; padding-right: 16px; }
  .site-header { flex-direction: column; gap: 10px; padding-top: 14px; padding-bottom: 14px; }
  nav { font-size: 12px; gap: 14px; }
  h1 { font-size: 23px; }
  h2 { font-size: 18px; }
  .page-intro { padding: 20px 0 18px; }
  .player-toolbar { padding: 10px; }
  .view-switch { width: 100%; }
  .view-switch button { flex: 1; font-size: 11px; padding: 6px; }
  .player-caption { display: block; padding: 10px; }
  .player-caption .outcome { display: block; margin-top: 6px; }
  .demo-playlist { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .case-reading { grid-template-columns: 1fr; gap: 14px; }
  .comparison-heading { padding: 14px; }
  .comparison-scroll { padding: 0 8px; }
  .table-hint { display: block; margin: 0 14px 10px; font-size: 12px; color: var(--muted); }
  .comparison-table th:first-child { width: 175px; }
  .comparison-table th:first-child { position: sticky; left: 0; z-index: 1; background: #fff; box-shadow: 2px 0 #fff; }
  .comparison-selection { margin-left: 14px; margin-right: 14px; }
  .reference-comparison > .quiet-note { margin-left: 14px; margin-right: 14px; }
  .case-reading { padding: 14px; }
  .condition-label { width: 100%; }
  .condition-label select { width: 100%; max-width: 100%; }
  .method-grid { grid-template-columns: 1fr; }
  table { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }