.lab-mono {
  font: 700 .7rem/1.35 Inter, Arial, sans-serif;
  letter-spacing: .08em;
}
.lab-badge {
  flex: 0 0 auto;
  border: 1px solid #c6e5da;
  border-radius: 30px;
  background: #e8f7f0;
  color: #116257;
  padding: 4px 10px;
  font-size: .75rem;
  font-weight: 700;
}
.rescue-lab [hidden], .builder-lab [hidden] { display: none !important; }
.rescue-lab :focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
.rescue-lab {
  margin-top: 32px;
  padding: clamp(15px, 3.2vw, 36px);
  border-radius: 18px;
  background: var(--navy);
  color: white;
}
.lab-intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin-bottom: 20px;
}
.lab-intro .eyebrow { color: #a7f3d0; margin-bottom: 10px; }
.lab-intro h3 { font-size: clamp(1.55rem, 3.25vw, 2.65rem); }
.lab-intro p { max-width: 65ch; color: #d1e2e7; margin-bottom: 0; }
.lab-intro .demo-link { color: #a7f3d0; margin-top: 5px; }
.lab-intro .demo-link:focus-visible { outline-color: #a7f3d0; }
.rescue-console {
  background: #fff;
  color: var(--ink);
  border-radius: 12px;
  padding: clamp(12px, 2.5vw, 25px);
}
.rescue-toolbar, .builder-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px 12px; }
.rescue-toolbar .lab-mono, .builder-heading .lab-mono { color: #365969; }
.rescue-control { margin-top: 8px; }
.rescue-control input { display: block; width: 100%; height: 27px; accent-color: var(--teal); margin: 0 0 7px; cursor: pointer; }
.rescue-stages { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.rescue-stages button {
  min-width: 0;
  min-height: 44px;
  border: 1px solid #d4e2e1;
  border-radius: 7px;
  padding: 4px;
  color: #365969;
  background: white;
  font: 700 .75rem/1.25 Inter, Arial, sans-serif;
}
.rescue-stages button[aria-pressed="true"] { background: #e5f5ee; color: #0c625a; border-color: var(--teal); }
.rescue-stages button span { display: inline-block; }
.rescue-readout { margin: 11px 0; padding: 8px 10px; border-left: 3px solid var(--mint); background: #edf8f3; color: #10594f; font-size: .88rem; }
.rescue-sheet-wrap { min-width: 0; overflow-x: auto; border: 1px solid #dce7e8; border-radius: 8px; }
.rescue-sheet { width: 100%; min-width: 455px; border-collapse: collapse; font-size: .82rem; font-variant-numeric: tabular-nums; }
.rescue-sheet th, .rescue-sheet td { border-bottom: 1px solid #dce7e8; padding: 6px 8px; text-align: left; }
.rescue-sheet td:last-child, .rescue-sheet thead th:last-child { text-align: right; white-space: nowrap; }
.rescue-sheet thead, .rescue-sheet tfoot { background: #edf4f5; }
.rescue-sheet tfoot td, .rescue-sheet tfoot th { border-bottom: 0; font-weight: 750; }
.rescue-sheet code { display: inline-block; margin-left: 4px; color: #365969; }
.rescue-sheet .demo-flag { background: #fff1dc; color: #774318; }
.rescue-sheet .demo-normalized { background: #eef9f4; }
.rescue-sheet .demo-overdue { color: #9b3e28; font-weight: 700; }
.rescue-insights { display: grid; gap: 12px; margin-top: 13px; }
.rescue-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.rescue-kpis div, .rescue-aging, .rescue-actions { border: 1px solid #dce7e8; border-radius: 8px; padding: 9px; }
.rescue-kpis div { background: #f6faf9; }
.rescue-kpis span { display: block; color: var(--slate); font-size: .74rem; line-height: 1.3; }
.rescue-kpis strong { font-size: clamp(.95rem, 2.35vw, 1.55rem); font-variant-numeric: tabular-nums; }
.rescue-kpis .rescue-urgent { background: #fff3e9; color: #9b3e28; border-color: #efd5c5; }
.rescue-aging-bar { height: 11px; display: flex; gap: 2px; overflow: hidden; border-radius: 8px; }
.rescue-aging-bar span { background: var(--teal); }
.rescue-aging-bar .aging-open { background: #547587; }
.rescue-aging-bar .aging-overdue { background: #ba562d; }
.rescue-aging-labels { display: flex; flex-wrap: wrap; gap: 2px 13px; margin-top: 6px; color: #365969; font-size: .78rem; }
.rescue-actions { background: #f2f9f6; font-size: .85rem; }
.rescue-actions ol { margin: 4px 0 0; padding-left: 20px; }
.builder-lab { grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); }
.builder-choices { min-width: 0; padding: 0; margin: 0 0 12px; border: 0; }
.builder-choices legend { font-weight: 700; }
.builder-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; margin-top: 6px; }
.builder-options label {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 39px;
  padding: 5px 8px;
  border: 1px solid #cbdedb;
  border-radius: 7px;
  background: white;
  font-size: .84rem;
  line-height: 1.22;
  cursor: pointer;
}
.builder-options label:has(:checked) { background: #e0f5ec; border-color: var(--teal); }
.builder-options label:has(:disabled) { color: #526468; background: #f4f7f6; cursor: default; }
.builder-options input { margin: 0; accent-color: var(--teal); }
.builder-choices #builderCount { font-size: .8rem; margin: 5px 0 0; }
.builder-heading { border-bottom: 1px solid #dce7e8; padding-bottom: 9px; }
.builder-heading strong { display: block; margin-top: 2px; font-size: 1.08rem; }
.builder-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 84px), 1fr)); gap: 5px; margin: 10px 0; }
.builder-kpi {
  min-width: 0;
  padding: 6px;
  border: 1px solid #dce7e8;
  border-radius: 7px;
  background: #f6faf9;
  color: var(--ink);
  text-align: left;
  line-height: 1.2;
}
.builder-kpi[aria-pressed="true"] { border-color: var(--teal); background: #e5f5ee; }
.builder-kpi span { display: block; min-height: 2.35em; font-size: .71rem; color: #365969; }
.builder-kpi strong { display: block; font-size: clamp(.9rem, 1.8vw, 1.24rem); font-variant-numeric: tabular-nums; }
.builder-trend { border: 1px solid #dce7e8; border-radius: 8px; padding: 8px; }
.builder-trend h4 { margin: 0; font-size: .9rem; }
.builder-trend p { margin: 4px 0; font-size: .83rem; color: #365969; }
.builder-bars {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 3px;
  list-style: none;
  margin: 7px 0 0;
  padding: 0;
}
.builder-bars li { display: grid; grid-template-rows: 17px 72px 16px; align-items: end; justify-items: center; font-size: .69rem; color: #365969; }
.builder-bars .trend-value { font-size: clamp(.57rem, 1.25vw, .71rem); white-space: nowrap; font-weight: 700; }
.builder-bars .trend-bar { display: block; width: min(80%, 25px); background: #18887b; border-radius: 4px 4px 0 0; }
.builder-bars li:last-child .trend-bar { background: #34d399; }
@media (max-width: 760px) { .builder-lab { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 480px) { .rescue-stages { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Feature one demo and let visitors expand the others in context. */
.builder-lab { margin-top: 0; margin-bottom: 22px; }
.portfolio-grid { align-items: start; }
.demo-disclosure { min-width: 0; }
.demo-disclosure > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 46px;
  cursor: pointer;
  list-style: none;
}
.demo-disclosure > summary::-webkit-details-marker { display: none; }
.demo-disclosure > summary::after {
  content: '';
  flex: 0 0 9px;
  height: 9px;
  border: solid currentColor;
  border-width: 0 2px 2px 0;
  transform: translateY(-2px) rotate(45deg);
}
.demo-disclosure[open] > summary::after { transform: translateY(2px) rotate(225deg); }
.demo-disclosure > summary:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
.demo-disclosure > summary small { display: block; color: var(--slate); font-size: .82rem; }
.rescue-disclosure {
  grid-column: 1 / -1;
  border: 1px solid #cbdedb;
  border-radius: 12px;
  background: #f3f9f6;
}
.rescue-disclosure > summary { padding: 10px 18px; color: var(--teal); }
.rescue-disclosure .rescue-lab { margin: 0 7px 7px; }
.hvac-disclosure { margin-top: 10px; border-top: 1px solid #e1e9ea; }
.hvac-disclosure > summary { color: var(--teal); font-size: .88rem; padding: 0 4px 0 0; }
.hvac-disclosure .leak-lab {
  grid-template-columns: minmax(0, 1fr);
  margin-top: 2px;
  gap: 14px;
  padding: clamp(12px, 2.2vw, 22px);
}
.hvac-disclosure .leak-lab h3 { font-size: 1.4rem; }
.hvac-disclosure .leak-lab .demo-lab-copy p { color: #d3e3e7; }
.hvac-disclosure .leak-evidence p { margin-bottom: 0; }

@media (max-width: 760px) {
  .builder-lab { padding: 14px; gap: 14px; margin-bottom: 14px; }
  .builder-lab .demo-lab-copy p { margin-bottom: 9px; }
  .builder-options label { min-height: 44px; }
  .rescue-disclosure > summary { padding: 8px 12px; }
}

/* Section location on desktop, page progress on phones. */
@media (min-width: 761px) {
  .navlinks { position: relative; }
  .navlinks::after {
    content: '';
    position: absolute;
    bottom: 7px;
    left: 0;
    width: var(--section-indicator-width, 0);
    height: 2px;
    border-radius: 2px;
    background: var(--mint);
    opacity: 0;
    transform: translateX(var(--section-indicator-x, 0));
    pointer-events: none;
    transition: transform 200ms ease, width 200ms ease, opacity 160ms ease;
  }
  .navlinks.has-section-indicator::after { opacity: 1; }
}
@media (max-width: 760px) {
  header::after {
    content: '';
    position: absolute;
    inset: auto 0 0;
    height: 2px;
    background: var(--mint);
    transform: scaleX(var(--reading-progress, 0));
    transform-origin: left;
    pointer-events: none;
  }
  .navlinks a[aria-current="location"]:not(.btn) { color: var(--teal); }
}

.builder-bars .trend-bar {
  height: 100%;
  transform: scaleY(var(--bar-ratio, 0));
  transform-origin: center bottom;
}

@media (prefers-reduced-motion: no-preference) {
  .builder-bars .trend-bar { transition: transform 280ms cubic-bezier(.2, .75, .35, 1); }
  .hero .play-chart-intro span {
    transform-origin: center bottom;
    animation: hero-chart-rise 560ms cubic-bezier(.2, .75, .35, 1) both;
  }
  .hero .play-chart-intro span:nth-child(3n + 2) { animation-delay: 45ms; }
  .hero .play-chart-intro span:nth-child(3n) { animation-delay: 90ms; }
}
@keyframes hero-chart-rise {
  from { transform: scaleY(.16); }
  to { transform: scaleY(1); }
}