.safety-article .safety-intro { padding-bottom: 34px; }
.safety-intro h1 { max-width: 1000px; }
.safety-intro .lead { max-width: 760px; }
.safety-meta { display: flex; flex-wrap: wrap; gap: 10px 24px; color: var(--muted); font-size: .78rem; margin-top: 24px; }
.safety-intro-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.safety-article .btn { font-family: inherit; min-height: 44px; cursor: pointer; touch-action: manipulation; }
.safety-intro-links .btn { font-size: .85rem; }
.safety-now { margin-top: 24px; padding: 18px 22px; border-left: 3px solid var(--accent); background: var(--card); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: .88rem; }
.safety-now strong { display: block; margin-bottom: 5px; }
.safety-now a { text-decoration: underline; text-underline-offset: 4px; }
.safety-overview { margin: 34px auto 0; padding: 28px; background: var(--ink); color: var(--card); border-radius: var(--radius); scroll-margin-top: 100px; }
.safety-overview .eyebrow { color: var(--card); opacity: .72; font-size: .73rem; }
.safety-overview h2 { font-size: clamp(1.7rem, 3.2vw, 2.6rem); margin-top: 10px; letter-spacing: -.035em; }
.safety-map-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: center; }
.safety-map-layout > div { min-width: 0; }
.safety-diagram { width: 100%; height: auto; display: block; margin: 24px 0 6px; }
.safety-frame { fill: var(--bg-alt); stroke: var(--card); stroke-width: 2; }
.safety-chamber { fill: var(--ink); stroke: var(--muted); stroke-width: 3; }
.safety-coils { fill: none; stroke: var(--accent); stroke-width: 5; stroke-linecap: round; }
.safety-duct { fill: none; stroke: var(--card); stroke-width: 14; opacity: .4; }
.safety-airflow { fill: none; stroke: var(--accent-2); stroke-width: 3; stroke-dasharray: 5 8; }
.safety-ground { fill: none; stroke: var(--card); opacity: .25; }
.safety-area { fill: var(--accent-3); opacity: .08; }
.safety-zone-marker circle { fill: var(--ink); stroke: var(--card); stroke-width: 2; }
.safety-zone-marker text { fill: var(--card); font: 600 15px "IBM Plex Sans", sans-serif; text-anchor: middle; }
.safety-diagram [data-map-area] { opacity: .45; }
[data-zone="power"] [data-map-area="power"], [data-zone="heat"] [data-map-area="heat"], [data-zone="air"] [data-map-area="air"], [data-zone="load"] [data-map-area="load"] { opacity: 1; }
[data-zone="power"] [data-marker="power"] circle, [data-zone="heat"] [data-marker="heat"] circle, [data-zone="air"] [data-marker="air"] circle, [data-zone="load"] [data-marker="load"] circle { fill: var(--accent-3); stroke: var(--accent-3); }
[data-zone="power"] [data-marker="power"] text, [data-zone="heat"] [data-marker="heat"] text, [data-zone="air"] [data-marker="air"] text, [data-zone="load"] [data-marker="load"] text { fill: var(--ink); }
.safety-map-caption { font-size: .72rem; color: var(--card); opacity: .7; }
.safety-zone-choices { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin: 18px 0 0; }
.safety-zone-choices button { min-height: 62px; padding: 10px 8px; background: transparent; border: 1px solid color-mix(in srgb, var(--card) 30%, transparent); color: var(--card); border-radius: var(--radius-sm); font: inherit; font-size: .8rem; cursor: pointer; touch-action: manipulation; }
.safety-zone-choices button span { display: block; font-size: .65rem; opacity: .65; }
.safety-zone-choices button[aria-pressed="true"] { background: var(--card); border-color: var(--card); color: var(--ink); }
.safety-zone-description { padding: 16px 0; }
.safety-zone-description h3 { font-size: clamp(1.5rem, 2.8vw, 2rem); line-height: 1.2; letter-spacing: -.025em; margin: 14px 0 20px; }
.safety-zone-description p { font-size: .92rem; }
.safety-zone-description ol { padding-left: 21px; margin: 18px 0; font-size: .86rem; }
.safety-zone-description li { padding: 4px 0 4px 4px; }
.safety-zone-description a { display: inline-block; color: var(--accent-3); text-decoration: underline; text-underline-offset: 5px; font-size: .85rem; min-height: 44px; padding-top: 10px; }
.safety-reading { margin-top: 16px; }
.safety-article .article-body section { padding: 42px 0; }
.safety-article .article-body p, .safety-article .article-body li { max-width: 780px; }
.safety-source { color: var(--muted); font-size: .76rem; }
.safety-source a { display: inline-block; padding: 5px 0; }
.safety-principle { border-left: 3px solid var(--accent-2); padding: 6px 0 6px 20px; margin: 24px 0; }
.safety-principle p { margin: 0; }
.safety-table-wrap { overflow-x: auto; margin: 24px 0; }
.safety-table { width: 100%; border-collapse: collapse; font-size: .85rem; min-width: 550px; }
.safety-table th, .safety-table td { border-bottom: 1px solid var(--stroke); text-align: left; padding: 15px 18px 15px 0; vertical-align: top; }
.safety-table th { width: 23%; }
.safety-table caption { text-align: left; color: var(--muted); font-size: .78rem; padding-bottom: 12px; }
.safety-roles { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 24px 0; }
.safety-roles > div { border-top: 3px solid var(--ink); padding-top: 18px; }
.safety-roles h3 { font-size: 1rem; }
.safety-roles p { font-size: .86rem; }
.safety-emergency { scroll-margin-top: 100px; }
.safety-emergency > p { font-size: 1rem; }
.safety-emergency details { border-top: 1px solid var(--stroke); padding: 12px 0; }
.safety-emergency summary { font-weight: 600; min-height: 44px; cursor: pointer; padding: 10px 0; }
.safety-emergency details p { font-size: .9rem; }
.safety-checklist { border: 1px solid var(--stroke); padding: 28px; border-radius: var(--radius); background: var(--card); margin: 28px 0; }
.safety-checklist header { display: flex; gap: 24px; justify-content: space-between; align-items: baseline; }
.safety-checklist h3 { font-size: 1.15rem; }
.safety-checklist output { white-space: nowrap; font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.safety-checklist progress { width: 100%; height: 7px; accent-color: var(--accent-2); margin-bottom: 18px; }
.safety-check-row { display: flex; align-items: start; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--stroke); cursor: pointer; min-height: 44px; }
.safety-check-row input { flex-shrink: 0; width: 19px; height: 19px; accent-color: var(--accent-2); margin: 3px 0 0; }
.safety-check-row b { font-weight: 600; font-size: .9rem; display: block; }
.safety-check-row small { display: block; color: var(--muted); font-size: .78rem; margin-top: 6px; }
.safety-checklist .tool-note { font-size: .78rem; }
.safety-checklist .tool-text-button { font-size: .8rem; margin-top: 12px; }
.safety-preflight-status { border-left: 3px solid var(--accent-2); padding: 6px 0 6px 16px; font-size: .86rem; margin-top: 22px !important; }
.safety-sources { padding-left: 20px; font-size: .85rem; }
.safety-sources li { margin-bottom: 13px !important; scroll-margin-top: 110px; }
.safety-article .control-footer nav { flex-wrap: wrap; }
.safety-article [hidden] { display: none !important; }
@media (max-width: 900px) {
  .safety-map-layout { grid-template-columns: 1fr; gap: 16px; }
  .safety-diagram { max-width: 620px; margin-left: auto; margin-right: auto; }
  .safety-zone-description { border-top: 1px solid color-mix(in srgb, var(--card) 25%, transparent); padding-top: 24px; }
  .safety-zone-description ol { max-width: 650px; }
}
@media (max-width: 560px) {
  .safety-overview { padding: 24px 16px; }
  .safety-intro-links .btn { width: 100%; }
  .safety-meta { display: grid; gap: 5px; }
  .safety-zone-choices { grid-template-columns: 1fr 1fr; }
  .safety-zone-choices button { min-height: 52px; }
  .safety-diagram { margin-top: 12px; }
  .safety-checklist { padding: 20px 14px; }
  .safety-checklist header { gap: 16px; align-items: start; }
  .safety-checklist output { font-size: 1.2rem; }
  .safety-roles { grid-template-columns: 1fr; gap: 16px; }
  .safety-now { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .safety-article .btn { transition: none; }
  .safety-article .btn:hover { transform: none; }
}
@media print {
  .safety-overview, .safety-intro-links, .safety-checklist .tool-text-button, .safety-checklist progress { display: none; }
  .safety-checklist { break-inside: avoid; border-color: var(--ink); }
  .safety-check-row { padding: 10px 0; }
}