/* Features page — lab layout (real demos, dense) */
.lab-page-hero { padding-bottom: 1.25rem; }
.lab-toc {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 1.25rem;
}
.lab-toc a {
  font-size: 12px; font-weight: 550;
  padding: 6px 11px; border-radius: 8px;
  border: 1px solid var(--line);
  color: var(--fg-2);
  background: rgba(255,255,255,.03);
}
.lab-toc a:hover {
  color: var(--fg);
  border-color: color-mix(in srgb, var(--fg-3) 40%, var(--line));
  background: rgba(255,255,255,.05);
}

.lab {
  padding: clamp(2rem, 4vw, 3.25rem) 0;
  border-top: 1px solid var(--line);
}
.lab.alt {
  background: color-mix(in srgb, var(--panel) 45%, transparent);
}
.lab-head {
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 1rem 1.5rem;
  align-items: start;
  margin-bottom: 1rem;
}
.lab-head .section-title { margin-bottom: 0.4rem; }
.lab-head .section-sub { margin-bottom: 0; }
.lab-meta {
  display: flex; flex-wrap: wrap; gap: 6px;
  justify-content: flex-end;
  max-width: 22rem;
}
.lab-meta code {
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 8px;
  border: 1px solid var(--line);
  color: var(--fg-2);
  background: rgba(0,0,0,.25);
  white-space: nowrap;
}

.lab-stage {
  border-radius: 18px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 90%, #000);
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
  overflow: hidden;
}
.lab-stage--depth {
  height: min(48vh, 420px);
  min-height: 300px;
  position: relative;
}
.lab-stage-host {
  min-height: min(48vh, 380px) !important;
  margin-bottom: 0.75rem;
}
.lab-slide {
  min-height: inherit;
  justify-content: center;
}
.lab-canvas {
  height: min(48vh, 440px) !important;
  min-height: 320px !important;
}

.lab-impl {
  margin: 0.85rem 0 0;
  padding: 1rem 1.15rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.35);
  color: var(--fg-2);
  font-size: 12.5px;
  line-height: 1.55;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.lab-impl--fill { min-height: 100%; }
.lab-impl-label {
  display: block;
  color: var(--accent);
  font-weight: 800;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0.65rem 0 0.25rem;
}
.lab-impl-label:first-child { margin-top: 0; }

.lab-actions {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin: 0.25rem 0 0.5rem;
}
.lab-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.lab-scene-box {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--line);
  padding: 1.75rem 1.5rem;
  min-height: 180px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  margin-bottom: 0.75rem;
}
.lab-scene-eyebrow {
  margin: 0 0 0.35rem;
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent);
}
.lab-scene-title {
  margin: 0 0 0.4rem;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  letter-spacing: -0.03em;
}
.lab-scene-body {
  margin: 0 0 0.85rem;
  color: var(--fg-2);
}
.lab-scene-pills { display: flex; flex-wrap: wrap; gap: 8px; }

@media (max-width: 800px) {
  .lab-head { grid-template-columns: 1fr; }
  .lab-meta { justify-content: flex-start; max-width: none; }
  .lab-split { grid-template-columns: 1fr; }
}