/* Compatibility layer for existing resources. The public site's shared CSS
   supplies the identity; the tools retain their form and document layouts. */
.resource-page {
  --font-sans: General, Arial, sans-serif;
  --font-cond: General, Arial, sans-serif;
  --font-mono: PlexMono, ui-monospace, SFMono-Regular, Menlo, monospace;
  --dykem: var(--blue);
  --fill: #e9eadf;
  --fill-soft: #f8f7f0;
  --line-soft: #e2e4da;
  --line-strong: #87968b;
  --hatch: none;
  --muted-on-ink: #c7d0c4;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
}
.resource-page .skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 12px 18px; background: var(--accent); color: var(--ink); transform: translateY(calc(-100% - 20px)); }
.resource-page .skip-link:focus { transform: none; }
.resource-page .kicker { display: block; color: var(--muted); font: 11px/1.55 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 22px; }
.resource-page .textlink { display: inline-block; font-size: 15px; font-weight: 500; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.resource-page main .btn { background: transparent; color: var(--ink); border-color: var(--line-strong); white-space: normal; }
.resource-page main .btn.primary { background: var(--accent); color: var(--ink); border-color: var(--accent); }
.resource-page main .btn:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.resource-page .fineprint { font-size: 13px; color: var(--muted); }
.resource-page .hero { padding: 76px 0 52px; overflow: visible; }
.resource-page .hero h1 { max-width: 23ch; font-size: clamp(40px, 4.6vw, 66px); line-height: 1.08; letter-spacing: -.045em; }
.resource-page .sub { max-width: 56ch; font-size: clamp(18px, 1.8vw, 21px); line-height: 1.6; color: var(--muted); margin-top: 24px; }
.resource-page .section { padding: 64px 0; border-top: 1px solid var(--line); }
.resource-page .section.alt { background: var(--fill-soft); }
.resource-page .article { max-width: 800px; overflow-wrap: anywhere; }
.resource-page .article h2 { font-size: clamp(28px, 3vw, 36px); line-height: 1.18; letter-spacing: -.035em; margin: 48px 0 20px; }
.resource-page .article h3 { font-size: 23px; line-height: 1.3; margin: 32px 0 14px; }
.resource-page .article > h2:first-child, .resource-page .article > h3:first-child { margin-top: 0; }
.resource-page .article p, .resource-page .article li { font-size: 17px; line-height: 1.75; }
.resource-page .article p { margin: 18px 0; }
.resource-page .article .sub { font-size: clamp(18px, 1.8vw, 21px); margin: 24px 0 0; }
.resource-page .article ul, .resource-page .article ol { display: grid; gap: 12px; padding-left: 24px; margin: 22px 0; }
.resource-page .article li { padding-left: 4px; }
.resource-page .article a:not(.btn) { text-decoration-color: #8b9d8c; }
.resource-page .article a:not(.btn):hover { text-decoration-color: currentColor; }
.resource-page .article .summary { margin: 0 0 32px; padding: 24px 28px; background: var(--fill-soft); border: 1px solid var(--line); border-left: 4px solid var(--accent); }
.resource-page .article .summary p { margin: 10px 0 0; }
.resource-page .article .summary ul { margin-bottom: 0; }
.resource-page .article .table-hint { font-size: 13px; color: var(--muted); }
.resource-page .table-scroll { max-width: 100%; overflow-x: auto; overscroll-behavior-x: contain; border: 1px solid var(--line); margin: 24px 0 32px; background: #fffef9; }
.resource-page .table-scroll:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
.resource-page .table-scroll table { min-width: 760px; margin: 0; width: 100%; border-collapse: collapse; }
.resource-page .table-scroll th, .resource-page .table-scroll td { padding: 16px 20px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); font-size: 15px; line-height: 1.65; }
.resource-page .table-scroll th { background: var(--fill); font-weight: 600; }
.resource-page .table-scroll th:first-child, .resource-page .table-scroll td:first-child { width: 22%; min-width: 140px; overflow-wrap: normal; }
.resource-page .table-scroll td:first-child { font-weight: 500; }
.resource-page .table-scroll tr:last-child td { border-bottom: 0; }
.resource-page .report { background: #fffef9; border: 1px solid var(--line); border-top: 3px solid var(--ink); padding: 28px 32px; margin: 32px 0; }
.resource-page .report h3 { padding-top: 22px; border-top: 1px solid var(--line); }
.resource-page .report dl { display: grid; grid-template-columns: 138px minmax(0, 1fr); gap: 12px 22px; margin: 20px 0 0; }
.resource-page .report dt { font: 500 13px/1.6 var(--font-sans); text-transform: none; letter-spacing: 0; color: var(--muted); }
.resource-page .report dd { margin: 0; font-size: 15px; line-height: 1.65; }
.resource-page .resource-cta { border-top: 0; }
.resource-page .resource-cta .btn { margin: 10px 12px 8px 0; }

/* Hub: an actual report first, then links organised around the reader's work. */
.resource-page .resource-intro { max-width: 710px; }
.resource-page .resource-jumps { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 28px; }
.resource-page .resource-jumps a { padding: 5px 0; font-size: 14px; font-weight: 500; }
.resource-page .resource-group { scroll-margin-top: 0; }
.resource-page .resource-group-title { font-size: clamp(28px, 3.5vw, 42px); margin-bottom: 38px; }
.resource-page .resource-feature { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 64px; align-items: center; padding-bottom: 56px; }
.resource-page .resource-feature h3 { font-size: clamp(30px, 3.3vw, 46px); max-width: 18ch; line-height: 1.13; }
.resource-page .resource-feature p { margin: 22px 0; max-width: 47ch; }
.resource-page .resource-feature .resource-note { color: var(--muted); font-size: 14px; margin: 14px 0 22px; }
.resource-page .resource-example { display: block; width: fit-content; justify-self: center; text-decoration: none; }
.resource-page .resource-example img { width: 294px; height: auto; border: 1px solid var(--line); box-shadow: 9px 10px 0 #1825220b; }
.resource-page .resource-example span { display: block; margin-top: 18px; font-size: 13px; text-decoration: underline; }
.resource-page .resource-downloads { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 20px; font-size: 14px; }
.resource-page .resource-list > a { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 10px 56px; text-decoration: none; border-top: 1px solid var(--line); padding: 26px 0; }
.resource-page .resource-list > a:last-child { border-bottom: 1px solid var(--line); }
.resource-page .resource-list h3 { font-size: 24px; line-height: 1.25; max-width: 27ch; }
.resource-page .resource-list p { color: var(--muted); font-size: 16px; line-height: 1.6; margin: 0; }
.resource-page .resource-list span { grid-column: 2; font-size: 13px; font-weight: 500; color: var(--blue); }
.resource-page .resource-list > a:hover h3 { text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1px; }
.resource-page .resource-list > a:focus-visible { outline-offset: 7px; }

/* Tool density and browser-local behaviour stay intact. */
.resource-page .equipment-heading h1 { font-size: clamp(40px, 4.5vw, 64px); }
.resource-page .equipment-bottom h2 { font-size: clamp(30px, 3.4vw, 42px); }
.resource-page .equipment-family-row, .resource-page .equipment-family-row:last-child { border-color: var(--line); }
.resource-page .tool-intro, .resource-page .equipment-intro { padding-top: 34px; }
.resource-page:has(#report-editor) .site-header { position: static; }
.resource-page .preview-register > div { overflow-wrap: anywhere; }
.resource-page.duct-page { --paper: #f3f0e5; --blue: #275447; color: var(--ink); }
.resource-page .instrument button[aria-pressed="true"] { background: var(--blue); border-color: var(--blue); }
.resource-page .instrument button:hover { background: var(--blue-soft); }
.resource-page .instrument button[aria-pressed="true"]:hover { background: var(--ink); color: var(--paper); }
.resource-page .control-panel .fit-button { background: var(--blue-soft); border-color: var(--line); color: var(--blue); }
.resource-page #duct-status { color: var(--blue); }

@media (max-width: 760px) {
  .resource-page .hero { padding: 48px 0 38px; }
  .resource-page .hero h1 { font-size: clamp(36px, 7vw, 50px); }
  .resource-page .section { padding: 42px 0; }
  .resource-page .kicker { margin-bottom: 18px; }
  .resource-page .article h2 { margin-top: 36px; }
  .resource-page .article .summary { padding: 20px; }
  .resource-page .report { padding: 20px; }
  .resource-page .report dl { grid-template-columns: 1fr; gap: 4px; }
  .resource-page .report dd { margin-bottom: 12px; }
  .resource-page .resource-jumps { flex-direction: column; align-items: flex-start; gap: 4px; margin-top: 22px; }
  .resource-page .resource-jumps a { padding: 9px 0; }
  .resource-page .resource-group-title { margin-bottom: 30px; }
  .resource-page .resource-feature { grid-template-columns: 1fr; gap: 32px; padding-bottom: 38px; }
  .resource-page .resource-feature h3 { max-width: 20ch; }
  .resource-page .resource-example { justify-self: start; }
  .resource-page .resource-example img { width: 238px; }
  .resource-page .resource-list > a { grid-template-columns: 1fr; gap: 12px; padding: 24px 0; }
  .resource-page .resource-list span { grid-column: 1; }
  .resource-page .preview-register > div { grid-template-columns: 1fr; gap: 6px; }
}
@media print {
  .resource-page { background: white; }
  .resource-page .hero { padding: 24px 0; }
  .resource-page .section { padding: 24px 0; }
  .resource-page .article { width: 100%; }
  .resource-page .table-scroll { overflow: visible; }
  .resource-page .table-scroll table { min-width: 0; }
  .resource-page .table-scroll th, .resource-page .table-scroll td { font-size: 10px; padding: 8px; }
  .resource-page .resource-cta { display: none; }
  .resource-page .report { break-inside: auto; }
}