/* QXR research portal - production (assets/css/research-lab.css) */

body.research-lab {
  --border-active: rgba(29, 184, 158, 0.5);
  --text-muted-mono: var(--qxr-fog);
  --matrix-viz-w: 240px;
  --matrix-pad-x: clamp(1.25rem, 4vw, 2rem);
  --matrix-pad-y: 1.75rem;
  --matrix-surface: var(--qxr-deep);
  --matrix-panel: var(--qxr-plum);
  --matrix-elevated: var(--qxr-surface);
  --matrix-inset: var(--qxr-ink);
  --research-ticker-h: 1.75rem;
  background: var(--qxr-ink);
  background-image:
    radial-gradient(ellipse 80% 50% at 15% -5%, rgba(68, 39, 110, 0.22), transparent 55%),
    radial-gradient(ellipse 55% 45% at 92% 8%, rgba(47, 59, 158, 0.14), transparent 50%),
    radial-gradient(ellipse 70% 40% at 50% 100%, rgba(29, 184, 158, 0.06), transparent 60%);
  background-attachment: fixed;
  color: var(--qxr-ghost);
  font-family: var(--font-sans);
}

.research-lab h1,
.research-lab h2,
.research-lab h3 {
  font-family: var(--font-sans);
  font-weight: 500;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.research-lab .lab-meta-label,
.research-lab .lab-registry__id,
.research-lab .lab-registry__status,
.research-lab .lab-experiment__label,
.research-lab .lab-experiment__status,
.research-lab .lab-hero__metric-label,
.research-lab .lab-status-panel__key,
.research-lab .lab-status-panel__val,
.research-lab .lab-status-panel__state,
.research-lab .patent-card__tag,
.research-lab .patent-card__filing,
.research-lab .patent-card__date,
.research-lab .patent-card__app,
.research-lab .patent-card__type,
.research-lab .timeline-item__date,
.research-lab .lab-cta__tag,
.research-lab .lab-eyebrow,
.research-lab .lab-section__index,
.research-lab .research-filter__pill,
.research-lab .lab-ticker__track span,
.research-lab .cta-band__email {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.research-lab main,
.research-lab .site-footer {
  position: relative;
  z-index: 1;
}

.research-lab .lab-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.research-lab .lab-bg__wash {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 20% 0%, rgba(68, 39, 110, 0.18), transparent 60%),
    radial-gradient(ellipse 50% 40% at 85% 10%, rgba(47, 59, 158, 0.1), transparent 55%),
    radial-gradient(ellipse 60% 35% at 50% 95%, rgba(29, 184, 158, 0.05), transparent 50%);
}

.research-lab .lab-bg__noise {
  position: absolute;
  inset: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.research-lab a:focus-visible,
.research-lab .research-filter__pill:focus-visible {
  outline: 2px solid var(--qxr-teal);
  outline-offset: 2px;
}

.research-lab .lab-ticker {
  position: relative;
  z-index: 1;
  width: 100%;
  overflow: hidden;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(17, 14, 30, 0.94);
  padding: 0.45rem 0;
  min-height: var(--research-ticker-h);
}

.research-lab .lab-ticker__track {
  display: flex;
  gap: 2rem;
  width: max-content;
  white-space: nowrap;
  animation: lab-ticker-scroll 40s linear infinite;
}

.research-lab .lab-ticker__track span {
  font-size: 9px;
  color: var(--text-muted-mono);
}

.research-lab .lab-ticker__dot {
  color: var(--qxr-teal);
  opacity: 0.5;
}

.research-lab main {
  padding: 0 var(--matrix-pad-x) 2rem;
  scroll-margin-top: calc(var(--nav-h) + var(--research-ticker-h));
}

.research-lab .mock-flow.lab-matrix {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: var(--max-w);
  margin: 0 auto;
  border: 1px solid var(--border-subtle);
  background: rgba(17, 14, 30, 0.88);
}

.research-lab .lab-matrix__panel {
  position: relative;
  border-bottom: 1px solid var(--border-subtle);
}

.research-lab .lab-matrix__panel:last-child {
  border-bottom: none;
}

.research-lab .lab-matrix__inner {
  padding: var(--matrix-pad-y) var(--matrix-pad-x);
}

.research-lab .lab-crosshair {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 9px;
  color: rgba(113, 100, 181, 0.38);
  pointer-events: none;
  line-height: 1;
  z-index: 5;
}

.research-lab .lab-crosshair--tl { top: 3px; left: 5px; }
.research-lab .lab-crosshair--tr { top: 3px; right: 5px; }
.research-lab .lab-crosshair--bl { bottom: 3px; left: 5px; }
.research-lab .lab-crosshair--br { bottom: 3px; right: 5px; }

.research-lab .lab-console-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.65rem;
  margin-bottom: 1.5rem;
}

.research-lab .lab-meta-label {
  font-size: 9px;
  color: var(--text-muted-mono);
}

.research-lab .lab-hero {
  padding: 0;
  border-bottom: none;
}

.research-lab .lab-hero__ref {
  margin-bottom: 0.65rem;
}

.research-lab .lab-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(220px, 0.85fr);
  gap: 0;
  align-items: stretch;
  border: 1px solid var(--border-subtle);
}

.research-lab .lab-hero__copy {
  padding: 1.25rem 1.5rem;
  border-right: 1px solid var(--border-subtle);
}

.research-lab .lab-hero h1 {
  font-size: clamp(1.75rem, 4.5vw, 2.5rem);
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--qxr-ghost);
  margin-bottom: 0.75rem;
}

.research-lab .lab-hero__lead {
  font-size: 14px;
  color: var(--qxr-fog);
  max-width: 40rem;
  line-height: 1.65;
  letter-spacing: normal;
  text-transform: none;
}

.research-lab .lab-hero__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.research-lab .lab-hero__metric {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.research-lab .lab-hero__metric-label {
  font-size: 9px;
  color: var(--text-muted-mono);
}

.research-lab .lab-hero__metric-value {
  font-size: 13px;
  font-weight: 500;
  color: var(--qxr-ghost);
  text-transform: none;
  letter-spacing: 0.04em;
}

.research-lab .lab-status-panel {
  position: relative;
  background: var(--matrix-panel);
  padding: 1rem 1.1rem;
  min-height: 100%;
}

.research-lab .lab-status-panel__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.55rem;
  margin-bottom: 0.55rem;
  border-bottom: 1px solid var(--border-subtle);
}

.research-lab .lab-status-panel__state {
  font-size: 9px;
  color: var(--qxr-teal);
}

.research-lab .lab-status-panel__rows {
  display: grid;
  gap: 0.35rem;
}

.research-lab .lab-status-panel__row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 10px;
}

.research-lab .lab-status-panel__key {
  color: var(--text-muted-mono);
  font-size: 9px;
}

.research-lab .lab-status-panel__val {
  color: var(--qxr-ghost);
  font-size: 10px;
  text-align: right;
}

.research-lab .lab-section__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  margin-bottom: 1.25rem;
}

.research-lab .lab-section__index {
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  line-height: 1;
  color: rgba(113, 100, 181, 0.28);
  font-weight: 500;
  padding-top: 0.1rem;
}

.research-lab .section-head h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  letter-spacing: -0.01em;
  color: var(--qxr-ghost);
  margin-bottom: 0.35rem;
  text-transform: none;
}

.research-lab .lab-eyebrow {
  color: var(--qxr-teal);
  opacity: 0.9;
  margin-bottom: 0.35rem;
  font-size: 9px;
}

.research-lab .section-head p:not(.lab-eyebrow) {
  font-family: var(--font-sans);
  font-size: 13px;
  text-transform: none;
  letter-spacing: normal;
  color: var(--qxr-fog);
  max-width: 38rem;
  line-height: 1.6;
}

.research-lab .lab-registry-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 0;
  border-top: 1px solid var(--border-subtle);
}

.research-lab .lab-registry-entry {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--border-subtle);
}

.research-lab .lab-registry-entry:last-child {
  border-bottom: none;
}

.research-lab .patent-card {
  background: var(--matrix-panel);
  border: none;
  border-radius: 0;
  box-shadow: none;
  transition: background 0.2s ease;
  position: relative;
  overflow: hidden;
}

.research-lab .patent-card:hover {
  background: var(--matrix-elevated);
}

.research-lab .patent-card--optical:hover {
  background: rgba(29, 184, 158, 0.06);
}

.research-lab .patent-card--ai:hover {
  background: rgba(80, 129, 209, 0.06);
}

.research-lab .lab-registry__plate {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.55rem 1rem;
  background: rgba(47, 59, 158, 0.08);
  border-bottom: 1px solid var(--border-subtle);
}

.research-lab .lab-registry__id {
  font-size: 10px;
  font-weight: 500;
  color: var(--qxr-ghost);
}

.research-lab .lab-registry__status {
  font-size: 9px;
  color: var(--qxr-teal);
}

.research-lab .patent-card__inner {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

@media (min-width: 768px) {
  .research-lab .patent-card__inner {
    display: grid;
    grid-template-columns: var(--matrix-viz-w) minmax(0, 1fr);
  }
}

.research-lab .patent-card__vis {
  width: 100%;
  min-height: 140px;
  height: 100%;
  background: var(--matrix-inset);
  border-right: none;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.research-lab .patent-card--optical .patent-card__vis {
  background:
    radial-gradient(ellipse 80% 70% at 50% 50%, rgba(29, 184, 158, 0.08), transparent 65%),
    var(--matrix-inset);
}

.research-lab .patent-card--ai .patent-card__vis {
  background:
    radial-gradient(ellipse 80% 70% at 50% 50%, rgba(80, 129, 209, 0.1), transparent 65%),
    var(--matrix-inset);
}

@media (min-width: 768px) {
  .research-lab .patent-card__vis {
    border-right: 1px solid var(--border-subtle);
    border-bottom: none;
    min-height: 168px;
  }
}

.research-lab .registry-viz {
  width: 88%;
  height: 88%;
  max-width: 200px;
  max-height: 200px;
}

.research-lab .registry-stroke-muted {
  stroke: rgba(113, 100, 181, 0.22);
}

.research-lab .registry-stroke-optical {
  stroke: rgba(29, 184, 158, 0.45);
}

.research-lab .registry-stroke-ai {
  stroke: rgba(80, 129, 209, 0.5);
}

.research-lab .registry-fill-teal {
  fill: var(--qxr-teal);
}

.research-lab .registry-fill-blue {
  fill: var(--qxr-blue);
}

.research-lab .vector-sweep-line {
  stroke-dasharray: 6 5;
  animation: vector-sweep 3.5s linear infinite;
}

.research-lab .vector-rotate-center {
  transform-box: fill-box;
  transform-origin: center;
  animation: vector-rotate 28s linear infinite;
}

.research-lab .vector-pulse-node {
  transform-box: fill-box;
  transform-origin: center;
  animation: vector-pulse 2.2s ease-in-out infinite;
}

.research-lab .patent-card__body {
  padding: 1.35rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-width: 0;
}

.research-lab .patent-card__tag {
  font-size: 9px;
  color: var(--qxr-teal);
  margin-bottom: 0.15rem;
}

.research-lab .patent-card--ai .patent-card__tag {
  color: var(--qxr-blue);
}

.research-lab .patent-card__filing {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-size: 10px;
  color: var(--text-muted-mono);
  margin-bottom: 0.5rem;
  border-bottom: 1px dashed rgba(113, 100, 181, 0.2);
  padding-bottom: 0.45rem;
}

.research-lab .patent-card__body h3 {
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--qxr-ghost);
  margin-bottom: 0.35rem;
  line-height: 1.35;
  text-transform: none;
}

.research-lab .patent-card__summary {
  font-size: 13px;
  line-height: 1.6;
  color: var(--qxr-fog);
  letter-spacing: normal;
  text-transform: none;
}

.research-lab .lab-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border-mid);
  background: rgba(47, 59, 158, 0.06);
}

.research-lab .lab-contact p {
  font-size: 13px;
  color: var(--qxr-fog);
  margin: 0;
  letter-spacing: normal;
  text-transform: none;
}

.research-lab .lab-contact a {
  font-size: 11px;
  color: var(--qxr-teal);
  text-decoration: none;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border-subtle);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.research-lab .lab-contact a:hover {
  border-color: var(--border-active);
  color: var(--qxr-ghost);
  background: rgba(29, 184, 158, 0.08);
}

.research-lab .research-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin: 0 0 1.25rem;
}

.research-lab .research-filter__pill {
  font-size: 9px;
  padding: 0.35rem 0.65rem;
  border-radius: 0;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted-mono);
  background: transparent;
  cursor: default;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.research-lab .research-filter__pill--active {
  border-color: var(--border-active);
  color: var(--qxr-ghost);
  background: rgba(29, 184, 158, 0.1);
}

.research-lab .lab-experiment-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
}

.research-lab .lab-experiment {
  position: relative;
  background: var(--matrix-panel);
  padding: 1.15rem 1.25rem;
  transition: background 0.2s ease;
  border-radius: 0;
  min-width: 0;
}

.research-lab .lab-experiment:hover {
  background: var(--matrix-elevated);
}

.research-lab .lab-experiment--aud:hover {
  background: rgba(29, 184, 158, 0.06);
}

.research-lab .lab-experiment--gam:hover {
  background: rgba(68, 39, 110, 0.12);
}

.research-lab .lab-experiment--sec:hover {
  background: rgba(47, 59, 158, 0.1);
}

.research-lab .lab-experiment--hsq:hover {
  background: rgba(80, 129, 209, 0.08);
}

.research-lab .lab-experiment__label {
  font-size: 9px;
  color: var(--text-muted-mono);
  margin-bottom: 0.65rem;
}

.research-lab .lab-experiment__status {
  font-size: 9px;
  color: var(--text-muted-mono);
  margin-bottom: 0.4rem;
}

.research-lab .lab-experiment__title,
.research-lab .lab-experiment h3 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--qxr-ghost);
  margin-bottom: 0.4rem;
  letter-spacing: 0.06em;
  text-transform: none;
}

.research-lab .lab-experiment__copy {
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.55;
  color: var(--qxr-fog);
  letter-spacing: normal;
  text-transform: none;
}

.research-lab .lab-experiment--aud .lab-experiment__label {
  color: var(--qxr-teal);
}

.research-lab .lab-experiment--gam .lab-experiment__label {
  color: var(--qxr-lavender);
}

.research-lab .lab-experiment--sec .lab-experiment__label {
  color: var(--qxr-indigo);
}

.research-lab .lab-experiment--hsq .lab-experiment__label {
  color: var(--qxr-blue);
}

.research-lab .scene-audio-dsp {
  background: var(--matrix-inset);
  height: 52px;
  margin: 0 0 0.85rem;
  display: flex;
  align-items: flex-end;
  gap: 2px;
  padding: 0.4rem;
  border: 1px solid rgba(113, 100, 181, 0.15);
}

.research-lab .scene-audio-dsp__bar {
  flex: 1;
  background: linear-gradient(to top, var(--qxr-teal), var(--qxr-lime));
  opacity: 0.88;
  height: 22%;
  border-radius: 0;
  animation: dsp-stream 2s ease-in-out infinite alternate;
  will-change: height;
  transform: translateZ(0);
}

.research-lab .scene-audio-dsp__bar:nth-child(1) { animation-duration: 1.05s; animation-delay: 0.02s; }
.research-lab .scene-audio-dsp__bar:nth-child(2) { animation-duration: 1.55s; animation-delay: 0.18s; }
.research-lab .scene-audio-dsp__bar:nth-child(3) { animation-duration: 0.95s; animation-delay: 0.08s; }
.research-lab .scene-audio-dsp__bar:nth-child(4) { animation-duration: 1.75s; animation-delay: 0.32s; }
.research-lab .scene-audio-dsp__bar:nth-child(5) { animation-duration: 1.25s; animation-delay: 0.12s; }
.research-lab .scene-audio-dsp__bar:nth-child(6) { animation-duration: 1.9s; animation-delay: 0.42s; }
.research-lab .scene-audio-dsp__bar:nth-child(7) { animation-duration: 1.15s; animation-delay: 0.22s; }
.research-lab .scene-audio-dsp__bar:nth-child(8) { animation-duration: 1.65s; animation-delay: 0.28s; }

.research-lab .lab-log {
  padding: 1rem 1rem 1rem 1.25rem;
  border: 1px solid var(--border-subtle);
  background: var(--matrix-panel);
  border-radius: 0;
}

.research-lab .lab-log .timeline-item::before {
  box-shadow: none;
  background: var(--qxr-teal);
}

.research-lab .research-timeline {
  border-left-color: var(--border-subtle);
  gap: 1.35rem;
}

.research-lab .timeline-item h3 {
  font-size: 0.95rem;
  color: var(--qxr-ghost);
  margin-bottom: 0.3rem;
  text-transform: none;
}

.research-lab .timeline-item p {
  font-size: 12px;
  color: var(--qxr-fog);
  line-height: 1.6;
}

.research-lab .timeline-item__date {
  font-size: 9px;
  margin-bottom: 0.2rem;
  color: var(--qxr-lavender);
}

.research-lab .lab-cta {
  text-align: left;
  padding: 1.5rem 0 0;
  border: none;
  background: transparent;
}

.research-lab .lab-cta__tag {
  font-size: 9px;
  color: var(--text-muted-mono);
  margin-bottom: 0.4rem;
}

.research-lab .lab-cta h2 {
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  color: var(--qxr-ghost);
  margin-bottom: 0.4rem;
  text-transform: none;
}

.research-lab .lab-cta__lead {
  color: var(--qxr-fog);
  max-width: 32rem;
  font-size: 13px;
  line-height: 1.6;
  margin: 0 0 0.85rem;
  letter-spacing: normal;
  text-transform: none;
}

.research-lab .cta-band__email {
  font-size: 12px;
  color: var(--qxr-teal);
  text-decoration: none;
  letter-spacing: 0.08em;
}

.research-lab .cta-band__email:hover {
  color: var(--qxr-lime);
}

@keyframes lab-ticker-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes vector-sweep {
  to { stroke-dashoffset: -22; }
}

@keyframes vector-rotate {
  to { transform: rotate(360deg); }
}

@keyframes vector-pulse {
  0%, 100% { opacity: 0.35; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}

@keyframes dsp-stream {
  0% { height: 8%; opacity: 0.45; }
  50% { height: 78%; opacity: 0.95; }
  100% { height: 22%; opacity: 0.55; }
}

@media (max-width: 900px) {
  .research-lab .lab-hero__grid {
    grid-template-columns: 1fr;
  }

  .research-lab .lab-hero__copy {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }

  .research-lab .lab-experiment-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .research-lab .patent-card__inner {
    display: flex;
    flex-direction: column;
  }

  .research-lab .patent-card__vis {
    min-height: 120px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .research-lab .lab-ticker__track,
  .research-lab .vector-sweep-line,
  .research-lab .vector-rotate-center,
  .research-lab .vector-pulse-node,
  .research-lab .scene-audio-dsp__bar {
    animation: none !important;
  }

  .research-lab .scene-audio-dsp__bar {
    height: 32%;
  }
}

/* _qxr.web: nav + ticker share one sticky header; ticker is not independently sticky */
.research-lab .site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: auto;
  min-height: var(--nav-h);
  background: rgba(11, 10, 18, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.research-lab .site-header__inner {
  height: var(--nav-h);
}

.research-lab .site-nav a[aria-current="page"] {
  color: var(--qxr-teal);
}

.research-lab .site-footer {
  border-top: 1px solid var(--border-subtle);
  margin-top: 0;
  background: rgba(11, 10, 18, 0.72);
}

.research-lab .research-timeline {
  position: relative;
  padding-left: 1.5rem;
  border-left: 2px solid var(--border-subtle);
  display: grid;
  gap: 1.75rem;
}

.research-lab .timeline-item {
  position: relative;
  padding-left: 0.5rem;
}

.research-lab .timeline-item::before {
  content: "";
  position: absolute;
  left: -1.85rem;
  top: 0.35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--qxr-teal);
}

.research-lab .lab-contact a {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.research-lab .lab-proprietary {
  font-size: 12px;
  color: var(--qxr-fog);
  margin-top: 0.75rem;
  line-height: 1.55;
}

/* Desktop: institutional matrix (sans headings, flat grid) */
@media (min-width: 1024px) {
  .research-lab h1,
  .research-lab .section-head h2,
  .research-lab .patent-card__body h3 {
    font-family: var(--font-sans);
    font-weight: 500;
  }

  .research-lab main {
    padding: 1.75rem var(--matrix-pad-x) 3.5rem;
  }
}

/* Tablet: softened shell, two-column experiments where space allows */
@media (min-width: 768px) and (max-width: 1023px) {
  .research-lab main {
    padding: 1.25rem 1.25rem 2.75rem;
  }

  .research-lab .mock-flow.lab-matrix {
    border-radius: var(--radius-md);
  }

  .research-lab .lab-experiment-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Mobile: editorial card stack, touch-first filters, reduced chrome */
@media (max-width: 767px) {
  body.research-lab {
    --research-ticker-h: 0px;
  }

  .research-lab .site-header--research .lab-ticker {
    display: none;
  }

  .research-lab .lab-crosshair {
    display: none;
  }

  .research-lab main {
    padding: 1rem 0.75rem 2.5rem;
  }

  .research-lab .mock-flow.lab-matrix {
    margin: 0;
    border-left: none;
    border-right: none;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 36px rgba(11, 10, 18, 0.42);
  }

  .research-lab .lab-matrix__inner {
    padding: 1.25rem 1rem;
  }

  .research-lab .lab-hero h1,
  .research-lab .patent-card__body h3,
  .research-lab .lab-cta h2 {
    font-family: var(--font-display);
    letter-spacing: -0.02em;
  }

  .research-lab .lab-hero__lead {
    font-size: 15px;
    line-height: 1.7;
  }

  .research-lab .research-filter {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-right: -0.25rem;
    padding-bottom: 0.35rem;
  }

  .research-lab .research-filter::-webkit-scrollbar {
    display: none;
  }

  .research-lab .research-filter__pill {
    flex: 0 0 auto;
  }

  .research-lab .lab-contact {
    flex-direction: column;
    align-items: flex-start;
  }

  .research-lab .lab-contact a {
    width: 100%;
    text-align: center;
  }
}

/* Legacy WebKit animation prefixes */
.research-lab .vector-rotate-center {
  -webkit-transform-box: fill-box;
  -webkit-transform-origin: center;
}

.research-lab .vector-pulse-node {
  -webkit-transform-box: fill-box;
  -webkit-transform-origin: center;
}

@supports not (background-attachment: fixed) {
  .research-lab {
    background-attachment: scroll;
  }
}