:root {
  --ink: #edf7ff;
  --ink-strong: #ffffff;
  --muted: #9eb2c8;
  --paper: #08111d;
  --panel: rgba(13, 25, 42, 0.78);
  --panel-solid: #101d2e;
  --line: rgba(159, 190, 222, 0.18);
  --cyan: #4df0ff;
  --mint: #49f2b4;
  --rose: #ff5f95;
  --amber: #ffd166;
  --violet: #9f8cff;
  --red: #ff6f7d;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.36);
}

:root[data-theme="light"] {
  --ink: #162234;
  --ink-strong: #061120;
  --muted: #536579;
  --paper: #f6f9fc;
  --panel: rgba(255, 255, 255, 0.86);
  --panel-solid: #ffffff;
  --line: rgba(14, 36, 62, 0.16);
  --cyan: #006f86;
  --mint: #087a60;
  --rose: #c9366c;
  --amber: #9b5700;
  --violet: #5c55c8;
  --red: #b52f45;
  --shadow: 0 24px 70px rgba(20, 41, 70, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(77, 240, 255, 0.14), transparent 24rem),
    radial-gradient(circle at 82% 0%, rgba(255, 95, 149, 0.12), transparent 25rem),
    linear-gradient(180deg, #08111d 0%, #0b1421 48%, #0d1725 100%);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(20px, 4vw, 56px);
  color: var(--ink);
  background: rgba(8, 17, 29, 0.75);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
}

.brand {
  color: var(--ink-strong);
  font-weight: 900;
  font-size: 0.92rem;
}

.nav-links {
  display: flex;
  gap: clamp(12px, 2vw, 28px);
  align-items: center;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.nav-links a:hover {
  color: var(--cyan);
}

.theme-toggle {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 900;
  cursor: pointer;
}

.theme-toggle-track {
  position: relative;
  width: 34px;
  height: 18px;
  border-radius: 999px;
  background: rgba(159, 190, 222, 0.24);
}

.theme-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  transition: transform 180ms ease;
}

:root[data-theme="light"] .theme-toggle-thumb {
  transform: translateX(16px);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 88px clamp(16px, 3.5vw, 52px) 24px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(159, 190, 222, 0.065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159, 190, 222, 0.065) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
}

.hero-shell {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(360px, 0.54fr) minmax(620px, 1fr);
  gap: clamp(20px, 3vw, 42px);
  align-items: start;
  max-width: 1520px;
  margin: 0 auto;
}

.hero-copy-block {
  min-width: 0;
  padding-top: clamp(8px, 2vh, 28px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--amber);
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: min(100%, 500px);
  margin: 0;
  color: var(--ink-strong);
  font-size: clamp(2.7rem, 3.35vw, 4.75rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.subtitle {
  margin: 22px 0 0;
  color: var(--cyan);
  font-size: clamp(1.15rem, 1.45vw, 1.5rem);
  font-weight: 900;
}

.hero-copy {
  max-width: 520px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.1vw, 1.13rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 900;
}

.button.primary {
  color: #06101b;
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 14px 34px rgba(77, 240, 255, 0.22);
}

.button.ghost {
  color: var(--ink-strong);
  background: rgba(255, 255, 255, 0.08);
}

.button.text-link {
  color: var(--muted);
  border-color: transparent;
  background: transparent;
}

.teleport-lab {
  min-width: 0;
  padding: clamp(11px, 1.35vw, 16px);
  padding-top: clamp(22px, 2.25vw, 30px);
  border: 1px solid rgba(159, 190, 222, 0.24);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(14, 28, 47, 0.92), rgba(8, 17, 29, 0.86)),
    rgba(13, 25, 42, 0.78);
  box-shadow: var(--shadow);
}

.lab-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 10px;
}

.lab-header h2 {
  color: var(--ink-strong);
  font-size: clamp(1.35rem, 2.05vw, 2.15rem);
}

.lab-status {
  min-width: 210px;
  padding: 10px 12px;
  border: 1px solid rgba(77, 240, 255, 0.24);
  border-radius: 8px;
  background: rgba(77, 240, 255, 0.08);
  text-align: right;
}

.lab-status span,
.lab-status strong {
  display: block;
}

.lab-status span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 900;
}

.lab-status strong {
  margin-top: 4px;
  color: var(--mint);
  font-size: 1rem;
}

.lab-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 340px);
  gap: 12px;
  align-items: start;
}

.map-panel,
.sweep-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(4, 10, 18, 0.42);
}

.map-panel {
  display: grid;
  grid-template-rows: 1fr auto;
  overflow: hidden;
}

.transfer-map {
  width: 100%;
  aspect-ratio: 1040 / 340;
  background:
    linear-gradient(135deg, rgba(10, 22, 38, 0.98), rgba(13, 25, 42, 0.9));
}

.space rect {
  fill: rgba(255, 255, 255, 0.055);
  stroke: rgba(159, 190, 222, 0.24);
  stroke-width: 2;
}

.space-title {
  fill: var(--ink-strong);
  font-size: 21px;
  font-weight: 950;
}

.space-subtitle,
.vector-caption {
  fill: var(--muted);
  font-size: 15px;
  font-weight: 800;
}

.unsafe-dot {
  fill: var(--rose);
  opacity: 0.95;
}

.safe-dot {
  fill: var(--mint);
  opacity: 0.95;
}

.safety-vector {
  stroke: var(--amber);
  stroke-width: 5;
  stroke-linecap: round;
  filter: drop-shadow(0 0 10px rgba(255, 209, 102, 0.44));
  transition: all 220ms ease;
}

#arrowhead path {
  fill: var(--amber);
}

.bridge path {
  fill: none;
  stroke: url("#beam");
  stroke-width: 5;
  stroke-dasharray: 12 12;
  stroke-linecap: round;
  filter: drop-shadow(0 0 14px rgba(77, 240, 255, 0.26));
}

.bridge text {
  fill: var(--muted);
  font-size: 14px;
  font-weight: 950;
  text-anchor: middle;
}

.teleport-core text {
  text-anchor: middle;
  font-weight: 950;
}

.teleport-core circle {
  fill: rgba(77, 240, 255, 0.12);
  stroke: rgba(77, 240, 255, 0.5);
  stroke-width: 2;
}

.teleport-core text {
  fill: var(--cyan);
  font-size: 18px;
}

.teleport-core text:first-of-type {
  fill: var(--ink-strong);
  font-size: 20px;
}

.control-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 8px;
  border-top: 1px solid var(--line);
}

.control-group {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
}

.control-group span {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 950;
  text-transform: uppercase;
}

.source-button,
.target-button,
.sweep-tick {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 950;
  cursor: pointer;
}

.source-button.active,
.target-button.active,
.sweep-tick.active {
  color: #06101b;
  background: var(--cyan);
  border-color: var(--cyan);
}

.sweep-panel {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 10px;
  position: relative;
}

.sweep-panel::before {
  content: "";
  position: absolute;
  top: 10px;
  right: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 16px rgba(255, 209, 102, 0.55);
}

.sweep-topline span,
.sweep-topline strong {
  display: block;
}

.sweep-topline span {
  color: var(--amber);
  font-size: 0.72rem;
  font-weight: 950;
  text-transform: uppercase;
}

.sweep-topline strong {
  color: var(--ink-strong);
  font-size: 1.05rem;
}

.sweep-body {
  display: grid;
  grid-template-columns: minmax(104px, 0.82fr) minmax(0, 1fr);
  gap: 8px;
  align-items: start;
}

.sweep-controls {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.sweep-stage {
  overflow: hidden;
  width: 100%;
  max-width: 172px;
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: #142235;
}

.sweep-stage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sweep-caption {
  margin: 0;
  color: var(--muted);
  overflow: hidden;
  font-size: 0.7rem;
  font-weight: 850;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sweep-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.sweep-metrics div {
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
}

.sweep-metrics span,
.sweep-metrics strong {
  display: block;
}

.sweep-metrics span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 950;
}

.sweep-metrics strong {
  margin-top: 2px;
  color: var(--mint);
  font-size: 1rem;
  line-height: 1;
}

.sweep-slider {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  margin: 2px 0 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan) var(--sweep-progress), rgba(159, 190, 222, 0.18) var(--sweep-progress));
  outline: none;
}

.sweep-slider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 3px solid #06101b;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 20px rgba(77, 240, 255, 0.45);
  cursor: pointer;
}

.sweep-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border: 3px solid #06101b;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 20px rgba(77, 240, 255, 0.45);
  cursor: pointer;
}

.sweep-ticks {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 4px;
}

.lab-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.lab-proof p {
  margin: 0;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.055);
  font-size: 0.8rem;
  line-height: 1.32;
}

.lab-proof strong {
  color: var(--ink-strong);
}

.section-grid,
.section-full,
.pipeline,
.citation {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.authors {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  position: relative;
  z-index: 3;
  padding: 14px 0 18px;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.author-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 24px;
  color: var(--ink-strong);
  font-size: clamp(0.95rem, 1.15vw, 1.08rem);
  font-weight: 950;
  line-height: 1.35;
}

.author-list span {
  white-space: nowrap;
}

.author-list sup,
.institution-list sup {
  margin-left: 2px;
  color: var(--amber);
  font-size: 0.66em;
  font-weight: 950;
  line-height: 0;
}

.institution-list sup {
  margin-right: 4px;
  margin-left: 0;
}

.institution-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 34px;
  margin-top: 8px;
}

.institution-list span {
  color: var(--cyan);
  font-size: clamp(0.88rem, 1vw, 1rem);
  font-weight: 850;
  line-height: 1.25;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(24px, 5vw, 70px);
  padding: clamp(56px, 7vw, 88px) 0;
}

.question {
  padding-top: clamp(34px, 4vw, 48px);
}

h2 {
  margin: 0;
  color: var(--ink-strong);
  font-size: clamp(1.75rem, 3vw, 3rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.body-copy p,
.section-heading p,
.takeaway-list p {
  color: var(--muted);
  font-size: 1.04rem;
}

.body-copy p:first-child,
.takeaway-list p:first-child {
  margin-top: 0;
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.pipeline-step {
  min-height: 210px;
  padding: clamp(22px, 4vw, 34px);
  background: var(--panel-solid);
}

.step-index {
  display: block;
  margin-bottom: 34px;
  color: var(--rose);
  font-size: 0.82rem;
  font-weight: 950;
}

.pipeline-step strong {
  display: block;
  color: var(--ink-strong);
  font-size: 1.25rem;
}

.pipeline-step p {
  margin-bottom: 0;
  color: var(--muted);
}

.section-full {
  padding: clamp(58px, 8vw, 96px) 0 0;
}

.section-heading {
  max-width: 860px;
  margin-bottom: 28px;
}

.section-heading h2 {
  max-width: 940px;
}

.figure-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.figure-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
}

.method-figure {
  aspect-ratio: 15043 / 4229;
}

.results-figure {
  aspect-ratio: 11249 / 7207;
}

.video-figure {
  aspect-ratio: 8930 / 3175;
}

.qualitative-figure {
  aspect-ratio: 4843 / 1315;
}

figcaption {
  padding: 16px 18px 18px;
  color: var(--muted);
  font-size: 0.95rem;
  border-top: 1px solid var(--line);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 32px 0;
}

.metric-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(77, 240, 255, 0.08), rgba(255, 255, 255, 0.035)),
    var(--panel-solid);
}

.metric-card span {
  display: block;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 950;
}

.metric-card strong {
  display: block;
  margin-top: 18px;
  color: var(--ink-strong);
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  line-height: 1;
}

.metric-card p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.video .section-heading {
  margin-left: auto;
}

.examples {
  padding-top: clamp(60px, 8vw, 96px);
}

.example-details {
  border: 1px solid rgba(255, 111, 125, 0.34);
  border-radius: 8px;
  background: rgba(255, 111, 125, 0.08);
}

.example-details + .example-details {
  margin-top: 16px;
}

.example-details summary {
  cursor: pointer;
  padding: 18px 20px;
  color: var(--red);
  font-weight: 950;
}

.example-details .figure-frame {
  border-right: 0;
  border-bottom: 0;
  border-left: 0;
  border-radius: 0 0 8px 8px;
  box-shadow: none;
}

.video-gate {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-top: 1px solid rgba(255, 111, 125, 0.24);
}

.video-gate-toolbar {
  order: 1;
  display: flex;
  justify-content: flex-end;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255, 111, 125, 0.24);
}

.video-gate-content {
  order: 2;
  transition: opacity 180ms ease;
}

.video-warning {
  position: absolute;
  inset: 0;
  z-index: 10;
  order: 3;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 16px;
  padding: 26px clamp(18px, 4vw, 54px);
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 95, 149, 0.18), transparent 28rem),
    rgba(5, 11, 20, 0.86);
  backdrop-filter: blur(8px);
  text-align: center;
}

.video-gate[data-warning="false"] .video-warning {
  display: none;
}

.video-gate[data-warning="true"] .video-gate-content {
  opacity: 0.16;
  pointer-events: none;
}

.video-warning p {
  max-width: 840px;
  margin: 0;
  padding: 18px clamp(18px, 3vw, 30px);
  border: 1px solid rgba(255, 111, 125, 0.36);
  border-radius: 8px;
  color: #fff7f9;
  background: rgba(17, 25, 38, 0.88);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
  font-size: clamp(0.98rem, 1.25vw, 1.16rem);
  font-weight: 900;
  line-height: 1.45;
}

.video-warning p span {
  display: inline-grid;
  width: 1.35em;
  height: 1.35em;
  margin-right: 10px;
  place-items: center;
  border: 1px solid rgba(255, 209, 102, 0.7);
  border-radius: 50%;
  color: #06101b;
  background: var(--amber);
  font-size: 0.78em;
  font-weight: 950;
  line-height: 1;
}

.video-warning-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.content-warning-button {
  min-height: 48px;
  padding: 10px 22px;
  border: 1px solid rgba(255, 95, 149, 0.78);
  border-radius: 8px;
  color: #ffffff;
  background: #b42f57;
  font: inherit;
  font-size: 1rem;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 16px 34px rgba(180, 47, 87, 0.28);
}

.content-warning-button.secondary {
  color: #fff7f9;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: none;
}

.video-gate-toolbar .content-warning-button.secondary {
  min-height: 34px;
  padding: 7px 12px;
  border-color: rgba(255, 111, 125, 0.42);
  color: var(--ink-strong);
  background: rgba(255, 111, 125, 0.1);
  font-size: 0.82rem;
}

.video-sweep-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) repeat(5, minmax(150px, 1fr));
  gap: 10px;
  padding: 14px;
  overflow-x: auto;
}

.video-sweep-heading,
.video-sweep-label {
  display: grid;
  align-items: center;
  min-height: 34px;
  color: var(--amber);
  font-size: 0.74rem;
  font-weight: 950;
  text-transform: uppercase;
}

.video-sweep-heading {
  justify-items: center;
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-solid);
}

.video-sweep-label {
  position: sticky;
  left: 0;
  z-index: 3;
  align-items: start;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink-strong);
  background: var(--panel-solid);
  font-size: 0.76rem;
  line-height: 1.3;
  text-transform: none;
}

.video-sweep-grid img {
  width: 100%;
  min-width: 150px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(4, 10, 18, 0.42);
  object-fit: contain;
}

.takeaways {
  align-items: start;
}

.takeaway-list {
  display: grid;
  gap: 14px;
}

.takeaway-list p {
  margin: 0;
  padding: 20px;
  border-left: 4px solid var(--cyan);
  border-radius: 0 8px 8px 0;
  background: var(--panel-solid);
}

.citation {
  padding: 0 0 clamp(80px, 10vw, 128px);
}

.citation h2 {
  margin-bottom: 22px;
}

pre {
  margin: 0;
  overflow-x: auto;
  padding: 22px;
  color: #dffdf8;
  background: #06101b;
  border: 1px solid var(--line);
  border-radius: 8px;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.9rem;
}

:root[data-theme="light"] body {
  background:
    radial-gradient(circle at 10% 8%, rgba(0, 111, 134, 0.12), transparent 24rem),
    radial-gradient(circle at 84% 2%, rgba(201, 54, 108, 0.09), transparent 24rem),
    linear-gradient(180deg, #f8fbff 0%, #eef6fb 52%, #f8faf6 100%);
}

:root[data-theme="light"] .site-header {
  background: rgba(248, 251, 255, 0.9);
}

:root[data-theme="light"] .hero::before {
  background-image:
    linear-gradient(rgba(21, 38, 60, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 38, 60, 0.06) 1px, transparent 1px);
}

:root[data-theme="light"] .button.primary,
:root[data-theme="light"] .source-button.active,
:root[data-theme="light"] .target-button.active,
:root[data-theme="light"] .sweep-tick.active {
  color: #ffffff;
  background: #006f86;
  border-color: #006f86;
}

:root[data-theme="light"] .button.ghost,
:root[data-theme="light"] .theme-toggle,
:root[data-theme="light"] .source-button,
:root[data-theme="light"] .target-button,
:root[data-theme="light"] .sweep-tick {
  color: #162234;
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(14, 36, 62, 0.18);
}

:root[data-theme="light"] .teleport-lab {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(239, 247, 251, 0.96)),
    var(--panel);
  border-color: rgba(14, 36, 62, 0.18);
}

:root[data-theme="light"] .map-panel,
:root[data-theme="light"] .sweep-panel {
  background: rgba(255, 255, 255, 0.96);
}

:root[data-theme="light"] .transfer-map {
  background:
    linear-gradient(135deg, #ffffff, #eaf5f8);
}

:root[data-theme="light"] .space rect {
  fill: rgba(255, 255, 255, 0.82);
  stroke: rgba(14, 36, 62, 0.18);
}

:root[data-theme="light"] .space-title,
:root[data-theme="light"] .teleport-core text:first-of-type {
  fill: #061120;
}

:root[data-theme="light"] .space-subtitle,
:root[data-theme="light"] .vector-caption,
:root[data-theme="light"] .bridge text {
  fill: #536579;
}

:root[data-theme="light"] .teleport-core circle {
  fill: rgba(0, 111, 134, 0.11);
  stroke: rgba(0, 111, 134, 0.42);
}

:root[data-theme="light"] .teleport-core text {
  fill: #006f86;
}

:root[data-theme="light"] .sweep-metrics div,
:root[data-theme="light"] .lab-proof p,
:root[data-theme="light"] .video-sweep-heading,
:root[data-theme="light"] .video-sweep-label,
:root[data-theme="light"] .video-sweep-grid img {
  background: rgba(255, 255, 255, 0.72);
}

:root[data-theme="light"] .sweep-stage {
  background: #eaf3f7;
}

:root[data-theme="light"] .pipeline-step,
:root[data-theme="light"] .metric-card,
:root[data-theme="light"] .takeaway-list p {
  background: #ffffff;
  border-color: rgba(14, 36, 62, 0.14);
}

:root[data-theme="light"] .metric-card {
  background:
    linear-gradient(180deg, rgba(0, 111, 134, 0.06), rgba(255, 255, 255, 0.98)),
    #ffffff;
}

:root[data-theme="light"] .example-details {
  background: rgba(255, 111, 125, 0.07);
}

:root[data-theme="light"] pre {
  color: #dffdf8;
  background: #07111f;
}

@media (max-width: 1300px) {
  .hero-shell {
    grid-template-columns: 1fr;
  }

  .hero-copy-block {
    display: grid;
    grid-template-columns: minmax(300px, 0.92fr) minmax(260px, 1fr);
    gap: 20px 28px;
    align-items: end;
    padding-top: 0;
  }

  .hero-copy-block .eyebrow,
  .hero-copy-block h1,
  .subtitle {
    grid-column: 1;
  }

  .hero-copy,
  .hero-actions {
    grid-column: 2;
  }
}

@media (max-width: 920px) {
  .site-header {
    position: absolute;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding-top: 82px;
  }

  .hero-copy-block,
  .lab-grid,
  .lab-proof,
  .section-grid,
  .pipeline,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy-block .eyebrow,
  .hero-copy-block h1,
  .subtitle,
  .hero-copy,
  .hero-actions {
    grid-column: auto;
  }

  .lab-header {
    display: grid;
  }

  .lab-status {
    min-width: 0;
    text-align: left;
  }

  .video-gate[data-warning="true"] .video-warning {
    display: grid;
    align-items: start;
  }

  .sweep-body {
    grid-template-columns: minmax(150px, 220px) minmax(0, 1fr);
  }

  .pipeline-step {
    min-height: auto;
  }

  .video-sweep-grid {
    grid-template-columns: minmax(190px, 0.62fr) repeat(5, minmax(132px, 1fr));
  }

  .video-sweep-grid img {
    min-width: 132px;
  }

  .step-index {
    margin-bottom: 22px;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-right: 14px;
    padding-left: 14px;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 12vw, 3.7rem);
  }

  .button {
    width: 100%;
  }

  .control-strip,
  .control-group {
    grid-template-columns: 1fr;
  }

  .sweep-body {
    grid-template-columns: 1fr;
  }

  .sweep-stage {
    max-width: 240px;
  }

  .section-grid,
  .section-full,
  .pipeline,
  .citation,
  .authors {
    width: min(100% - 28px, 1180px);
  }

  .method-figure,
  .results-figure,
  .video-figure,
  .qualitative-figure {
    aspect-ratio: auto;
  }

  .figure-frame img {
    height: auto;
  }

  .video-sweep-grid {
    grid-template-columns: minmax(170px, 0.58fr) repeat(5, minmax(118px, 1fr));
  }

  .video-sweep-grid img {
    min-width: 118px;
  }

  .video-warning {
    padding: 22px 14px;
  }

  .video-warning p {
    font-size: 0.95rem;
  }

  .content-warning-button {
    width: 100%;
  }

  .author-list span {
    white-space: normal;
  }

  pre {
    padding: 16px;
  }
}