/* science.css — scoped port of the Science & Evidence page styles.
   Every rule is nested under `.sci` so the lw2 site shell is untouched.
   Source: Lunawake-wiki/artifacts/ks-science-evidence-page.html (sha256 9c176f1d…).
   Regenerate with scope-science-css.py; hand edits go in the block at the end. */
.sci {

      --ink: #171719;
      --body: #4e4e53;
      --muted: #74747b;
      --paper: #fff;
      --wash: #f5f5f2;
      --night: #0b0d12;
      --night-2: #151924;
      --line: rgba(23,23,25,.13);
      --line-dark: rgba(255,255,255,.16);
      --blue: #4e5d9b;
      --blue-dark: #303a68;
      --blue-soft: #eef0f8;
      --green: #567267;
      --green-soft: #edf3f0;
      --amber: #916f39;
      --amber-soft: #f7f1e7;
      --serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
      --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      --ease: cubic-bezier(.2,.75,.25,1);
}
.sci * {
 box-sizing: border-box;
}
.sci {
 scroll-behavior: smooth;
}
.sci {
 margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); line-height: 1.58; -webkit-font-smoothing: antialiased;
}
.sci img, .sci video {
 display: block; max-width: 100%;
}
.sci a {
 color: inherit;
}
.sci h1, .sci h2, .sci h3, .sci p {
 margin-top: 0;
}
.sci h1, .sci h2 {
 font-family: var(--serif); font-weight: 400; letter-spacing: -.035em; line-height: 1.02;
}
.sci h1 {
 max-width: 930px; margin-bottom: 28px; font-size: clamp(50px, 7.3vw, 104px);
}
.sci h2 {
 max-width: 780px; margin-bottom: 0; font-size: clamp(40px, 5vw, 70px);
}
.sci h3 {
 margin-bottom: 10px; font-size: 20px; line-height: 1.25;
}
.sci p {
 color: var(--body);
}
.sci .container {
 width: min(1180px, calc(100% - 64px)); margin: 0 auto;
}
.sci .section {
 padding: 112px 0; scroll-margin-top: 64px;
}
.sci .section.wash {
 background: var(--wash);
}
.sci .section.night {
 color: #f7f7f4; background: var(--night);
}
.sci .section.night p {
 color: rgba(255,255,255,.7);
}
.sci .kicker {
 margin-bottom: 18px; color: var(--blue); font-size: 11px; font-weight: 650; letter-spacing: .18em; text-transform: uppercase;
}
.sci .night .kicker {
 color: #b8c0ef;
}
.sci .lead {
 max-width: 740px; font-size: clamp(18px, 2vw, 23px); line-height: 1.55;
}
.sci .small {
 color: var(--muted); font-size: 13px; line-height: 1.65;
}
.sci .section-head {
 display: grid; grid-template-columns: 1.35fr .65fr; gap: 56px; align-items: end; margin-bottom: 56px;
}
.sci .section-head > p {
 margin-bottom: 4px;
}
.sci .rule {
 height: 1px; background: var(--line);
}
.sci .status {
 display: inline-flex; align-items: center; width: fit-content; min-height: 25px; padding: 4px 9px; border: 1px solid currentColor; border-radius: 99px; font-size: 9px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
}
.sci .rhythm-loop > .status {
 margin-bottom: 16px;
}
.sci .closing-ledger {
 display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 28px; margin-top: 76px; padding-top: 36px; border-top: 1px solid var(--line);
}
.sci .closing-ledger p {
 margin: 12px 0 0; color: var(--body); font-size: 12.5px; line-height: 1.6;
}
.sci-legal-wrap .legal a {
 color: inherit; text-decoration: underline; text-underline-offset: 2px;
}
.sci .status.output {
 color: var(--blue-dark); background: var(--blue-soft);
}
.sci .status.validated {
 color: var(--green); background: var(--green-soft);
}
.sci .status.observed {
 color: var(--blue); background: #f3f4fa;
}
.sci .status.validation {
 color: var(--amber); background: var(--amber-soft);
}
.sci .status.not-output {
 color: #696970; background: #f3f3f3;
}
.sci .status.requires {
 color: #765c31; background: #fbf4e8;
}
.sci .sci-hero {
 position: relative; min-height: 760px; display: flex; align-items: flex-end; color: #fff; background: #090a0d; overflow: hidden;
}
.sci .hero-media {
 position: absolute; inset: 0;
}
.sci .hero-media img {
 width: 100%; height: 100%; object-fit: cover; object-position: center 48%;
}
.sci .hero-media::after {
 content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,6,8,.88) 0%, rgba(5,6,8,.6) 48%, rgba(5,6,8,.18) 100%), linear-gradient(0deg, rgba(5,6,8,.7), transparent 55%);
}
.sci .hero-copy {
 position: relative; z-index: 2; padding: 160px 0 76px;
}
.sci .sci-hero h1 em {
 color: #d9cbb8; font-weight: 400;
}
.sci .sci-hero .lead {
 max-width: 690px; margin-bottom: 0; color: rgba(255,255,255,.78);
}
.sci .system-map {
 position: relative; padding: 48px 54px 54px; border: 1px solid var(--line); background: #ebebe7; overflow: hidden;
}
.sci .system-map::before {
 content: ""; position: absolute; inset: 0; opacity: .52; background-image: linear-gradient(rgba(23,23,25,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(23,23,25,.045) 1px, transparent 1px); background-size: 28px 28px;
}
.sci .system-stack {
 position: relative; z-index: 1;
}
.sci .system-layer {
 position: relative; display: grid; grid-template-columns: 155px minmax(0,1fr) auto; gap: 28px; align-items: center; margin-inline: auto; padding: 24px 30px; border: 1px solid rgba(23,23,25,.16); background: rgba(255,255,255,.94); box-shadow: 0 8px 0 rgba(23,23,25,.07);
}
.sci .system-layer.interaction {
 width: 78%;
}
.sci .system-layer.engine {
 width: 92%; min-height: 250px; padding-block: 36px; color: #fff; border-color: #28305a; background: var(--blue-dark); box-shadow: 0 11px 0 #252d52, 0 28px 48px rgba(42,50,89,.2);
}
.sci .system-layer.sensor {
 width: 100%;
}
.sci .layer-num {
 display: block; color: var(--muted); font-size: 9px; font-weight: 650; letter-spacing: .16em; line-height: 1.45; text-transform: uppercase;
}
.sci .system-layer.engine .layer-num {
 color: rgba(255,255,255,.48);
}
.sci .system-layer h3 {
 margin: 7px 0 0; font-family: var(--serif); font-size: clamp(29px,3vw,42px); font-weight: 400; letter-spacing: -.025em;
}
.sci .system-layer p {
 max-width: 470px; margin: 0; font-size: 13px; line-height: 1.6;
}
.sci .system-layer.engine p {
 color: rgba(255,255,255,.7);
}
.sci .token-list {
 display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; max-width: 310px;
}
.sci .token {
 padding: 6px 9px; color: var(--muted); border: 1px solid var(--line); background: rgba(255,255,255,.56); font-size: 9px; white-space: nowrap;
}
.sci .system-flow {
 position: relative; z-index: 2; display: flex; align-items: center; justify-content: center; width: 92%; height: 68px; margin: 0 auto;
}
.sci .system-flow::before {
 content: ""; position: absolute; left: 50%; top: 10px; bottom: 8px; width: 1px; background: rgba(23,23,25,.36);
}
.sci .system-flow::after {
 content: ""; position: absolute; left: calc(50% - 4px); top: 8px; width: 7px; height: 7px; border-top: 1px solid rgba(23,23,25,.48); border-left: 1px solid rgba(23,23,25,.48); transform: rotate(45deg);
}
.sci .system-flow span {
 position: relative; z-index: 1; margin-left: 190px; padding: 4px 8px; color: var(--muted); background: #ebebe7; font-size: 8px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
}
.sci .engine-logic {
 display: grid; grid-template-columns: 1fr 24px 1fr 24px 1.18fr; align-items: stretch; margin-top: 28px; border: 1px solid rgba(255,255,255,.18);
}
.sci .engine-step {
 min-height: 76px; padding: 14px; background: rgba(255,255,255,.035);
}
.sci .engine-step span {
 display: block; color: rgba(255,255,255,.43); font-size: 8px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase;
}
.sci .engine-step strong {
 display: block; margin-top: 9px; color: rgba(255,255,255,.9); font-size: 11px; font-weight: 550; line-height: 1.4;
}
.sci .engine-op {
 display: grid; place-items: center; color: rgba(255,255,255,.38); border-left: 1px solid rgba(255,255,255,.14); border-right: 1px solid rgba(255,255,255,.14); font-size: 13px;
}
.sci .engine-outputs {
 display: flex; flex-wrap: wrap; align-content: center; gap: 5px;
}
.sci .engine-outputs b {
 padding: 5px 7px; color: rgba(255,255,255,.84); border: 1px solid rgba(255,255,255,.2); font-size: 9px; font-weight: 550;
}
.sci .system-caption {
 position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 38px; color: var(--muted); font-size: 9px; letter-spacing: .12em; text-align: center; text-transform: uppercase;
}
.sci .system-caption span:nth-child(2) {
 color: var(--ink); font-weight: 700;
}
.sci .input-grid, .sci .roadmap, .sci .science-grid, .sci .boundary-grid {
 display: grid; gap: 16px;
}
.sci .input-grid {
 grid-template-columns: repeat(3, 1fr);
}
.sci .input-card, .sci .road-card, .sci .science-card, .sci .boundary-card {
 padding: 25px; border: 1px solid var(--line); background: var(--paper);
}
.sci .input-card h3 {
 margin-top: 24px;
}
.sci .input-card p, .sci .road-card p, .sci .science-card p, .sci .boundary-card p {
 margin-bottom: 0; font-size: 13px;
}
.sci .contactless {
 display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; margin: 64px 0; padding: 42px; background: var(--night);
}
.sci .contactless h3 {
 color: #fff; font-family: var(--serif); font-size: 34px; font-weight: 400;
}
.sci .contactless p {
 color: rgba(255,255,255,.68);
}
.sci .zero-friction {
 display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line-dark);
}
.sci .zero-friction div {
 padding: 26px 18px; color: #fff; text-align: center;
}
.sci .zero-friction div + div {
 border-left: 1px solid var(--line-dark);
}
.sci .zero-friction strong {
 display: block; margin-bottom: 5px; font-family: var(--serif); font-size: 23px; font-weight: 400;
}
.sci .zero-friction span {
 color: rgba(255,255,255,.5); font-size: 10px;
}
.sci .benchmark {
 display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start;
}
.sci .photo-triptych {
 display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.sci .photo-triptych .wide {
 grid-column: 1 / -1;
}
.sci .photo-triptych img {
 width: 100%; height: 100%; object-fit: cover;
}
.sci .photo-atlas {
 display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start;
}
.sci .annotated-photo {
 position: relative; margin: 0; overflow: hidden; background: var(--wash);
}
.sci .annotated-photo img {
 width: 100%; height: 100%; object-fit: cover;
}
.sci .atlas-setup, .sci .atlas-chest, .sci .atlas-head, .sci .atlas-leg {
 aspect-ratio: 4 / 3;
}
.sci .atlas-leg img {
 object-position: center 40%;
}
.sci .photo-callout {
 position: absolute; z-index: 2; padding: 7px 9px; color: #fffdf8; border: 1px solid rgba(255,253,248,.22); background: rgba(26,23,22,.78); font-size: 9px; font-weight: 600; letter-spacing: .07em; line-height: 1.3; text-transform: uppercase; backdrop-filter: blur(8px);
}
.sci .callout-head {
 top: 10%; left: 56%;
}
.sci .callout-chest {
 top: 52%; left: 61%;
}
.sci .callout-detail {
 left: 14px; bottom: 14px;
}
.sci .callout-leg {
 top: 14px; left: 14px;
}
.sci .callout-room {
 right: 14px; bottom: 14px;
}
.sci .protocol-video {
 position: relative; margin-top: 16px; overflow: hidden; aspect-ratio: 16/9; background: #090a0d;
}
.sci .protocol-video video {
 width: 100%; height: 100%; object-fit: cover;
}
.sci .real-sleep-note {
 display: grid; grid-template-columns: minmax(0,1.15fr) minmax(300px,.85fr); gap: 34px; align-items: start; margin-top: 24px; padding: 28px 0; border-top: 1px solid var(--line);
}
.sci .real-sleep-figure {
 min-width: 0;
}
.sci .real-sleep-frame {
 position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--wash);
}
.sci .real-sleep-frame img {
 display: block; width: 100%; height: 100%; object-fit: cover;
}
.sci .condition-anchor {
 position: absolute; z-index: 2; display: grid; width: 26px; height: 26px; place-items: center; color: var(--ink); border: 1px solid rgba(32,33,36,.5); border-radius: 50%; background: rgba(255,255,255,.94); box-shadow: 0 0 0 4px rgba(255,255,255,.35); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 8px; font-weight: 700;
}
.sci .condition-anchor::after {
 content: ""; position: absolute; top: 50%; left: 100%; width: 22px; border-top: 1px solid rgba(255,255,255,.92);
}
.sci .condition-anchor.placement {
 top: 18%; left: 54%;
}
.sci .condition-anchor.sensing {
 top: 42%; left: 56%;
}
.sci .condition-anchor.condition {
 top: 70%; left: 68%;
}
.sci .condition-anchor.reference {
 top: 43%; left: 32%;
}
.sci .real-sleep-figure figcaption {
 padding-top: 9px;
}
.sci .real-sleep-copy > span {
 display: block; color: var(--blue); font-size: 9px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
}
.sci .real-sleep-copy > strong {
 display: block; max-width: 420px; margin-top: 8px; color: var(--ink); font-size: 24px; font-weight: 420; line-height: 1.25;
}
.sci .real-sleep-copy > p {
 max-width: 520px; margin: 14px 0 0; color: var(--body); font-size: 13px; line-height: 1.65;
}
.sci .real-sleep-legend {
 margin: 20px 0 0; padding: 0; border-top: 1px solid var(--line); list-style: none;
}
.sci .real-sleep-legend li {
 display: grid; grid-template-columns: 28px minmax(0,1fr); gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line);
}
.sci .real-sleep-legend b {
 color: var(--blue); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 9px;
}
.sci .real-sleep-legend .condition-name {
 display: block; color: var(--ink); font-size: 11px; font-weight: 650; line-height: 1.35;
}
.sci .real-sleep-legend small {
 display: block; margin-top: 2px; color: var(--muted); font-size: 10px; line-height: 1.45;
}
.sci .evidence-block {
 margin-top: 72px;
}
.sci .evidence-head {
 display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; align-items: end; margin-bottom: 24px;
}
.sci .evidence-head h3 {
 margin: 8px 0 0; font-family: var(--serif); font-size: 34px; font-weight: 400;
}
.sci .chart-sub {
 margin-bottom: 13px; color: var(--muted); font-size: 13px;
}
.sci .stat-lede {
 display: flex; align-items: baseline; gap: 20px; max-width: 720px; margin: 24px 0 10px;
}
.sci .stat-lede strong {
 flex: 0 0 auto; font-family: var(--serif); font-size: clamp(44px, 4vw, 56px); font-weight: 400; line-height: 1; letter-spacing: -.02em;
}
.sci .stat-lede p {
 margin: 0; color: var(--body); font-size: 15px; line-height: 1.55;
}
.sci .stat-detail {
 max-width: 720px; margin: 0 0 16px; color: var(--muted); font-size: 11px; line-height: 1.6;
}
.sci .chart-frame {
 position: relative;
}
.sci .chart-scroll {
 position: relative; border: 1px solid var(--line); background: #fff; overflow-x: auto; overscroll-behavior-x: contain;
}
.sci .chart-scroll:focus-visible {
 outline: 2px solid var(--blue); outline-offset: 3px;
}
.sci .chart-swipe {
 display: none;
}
.sci .chart-row {
 display: flex; width: max-content;
}
.sci .chart-axis {
 position: sticky; z-index: 2; left: 0; flex: 0 0 82px; padding-left: 16px; background: #fff;
}
.sci .chart-axis img {
 width: 66px; height: auto;
}
.sci .chart-plot {
 flex: 0 0 1054px;
}
.sci .chart-plot img {
 width: 1054px; height: auto;
}
.sci figure {
 margin: 0;
}
.sci .chart-mobile {
 display: none;
}
.sci figcaption {
 padding-top: 11px; color: var(--muted); font-size: 11px; line-height: 1.6;
}
.sci figcaption .src {
 display: block; margin-top: 5px;
}
.sci .engine-contract {
 display: grid; grid-template-columns: .8fr 1.35fr .8fr; gap: 18px; align-items: center;
}
.sci .contract-side {
 padding: 26px; border: 1px solid var(--line-dark);
}
.sci .contract-side h3 {
 color: #fff;
}
.sci .contract-side ul {
 margin: 22px 0 0; padding: 0; list-style: none;
}
.sci .contract-side li {
 padding: 8px 0; color: rgba(255,255,255,.65); border-top: 1px solid var(--line-dark); font-size: 12px;
}
.sci .contract-core {
 padding: 44px 34px; color: var(--ink); background: #f6f4ee;
}
.sci .contract-core h3 {
 font-family: var(--serif); font-size: 38px; font-weight: 400;
}
.sci .night .contract-core p {
 margin-bottom: 28px; color: var(--body);
}
.sci .state-output {
 display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(23,23,25,.13); border: 1px solid rgba(23,23,25,.13);
}
.sci .state-output div {
 padding: 17px; background: #fff;
}
.sci .state-output span {
 display: block; color: var(--muted); font-size: 9px; letter-spacing: .1em;
}
.sci .state-output strong {
 display: block; margin-top: 4px; font-size: 13px;
}
.sci .unknown {
 margin-top: 18px; padding: 18px; border: 1px solid rgba(145,111,57,.45); background: rgba(145,111,57,.13);
}
.sci .unknown strong {
 color: #e6d4b7;
}
.sci .unknown p {
 margin: 6px 0 0; font-size: 12px;
}
.sci .moments {
 margin: 70px 0 0;
}
.sci .moments-line {
 display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; margin-top: 28px; border-top: 1px solid var(--line-dark);
}
.sci .moment {
 position: relative; padding: 28px 16px 0 0;
}
.sci .moment::before {
 content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border: 1px solid #bec5ed; border-radius: 50%; background: var(--night);
}
.sci .moment b {
 display: block; color: #fff; font-size: 12px;
}
.sci .moment span {
 display: block; margin-top: 6px; color: rgba(255,255,255,.48); font-size: 10px;
}
.sci .moment-note {
 margin-top: 24px; color: rgba(255,255,255,.5); font-size: 11px;
}
.sci .night .evidence-block {
 padding-top: 66px; border-top: 1px solid var(--line-dark);
}
.sci .night .evidence-head p, .sci .night figcaption {
 color: rgba(255,255,255,.58);
}
.sci .night .stat-lede strong {
 color: #fff;
}
.sci .night .stat-lede p {
 color: rgba(255,255,255,.75);
}
.sci .night .stat-detail {
 color: rgba(255,255,255,.48);
}
.sci .roadmap {
 grid-template-columns: repeat(4, 1fr); margin-top: 70px;
}
.sci .road-card {
 color: var(--ink);
}
.sci .night .road-card p {
 color: var(--body);
}
.sci .road-card .status {
 margin-bottom: 34px;
}
.sci .context-band {
 display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-bottom: 70px; background: var(--line); border: 1px solid var(--line);
}
.sci .context-band > div {
 padding: 30px; background: #fff;
}
.sci .context-band strong {
 display: block; font-family: var(--serif); font-size: 34px; font-weight: 400;
}
.sci .context-band span {
 display: block; margin-top: 5px; color: var(--muted); font-size: 12px;
}
.sci .night-experience {
 margin: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff;
}
.sci .night-experience ol {
 display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); margin: 0; padding: 0; list-style: none;
}
.sci .night-moment {
 position: relative; min-width: 0; padding: 24px 22px 28px;
}
.sci .night-moment + .night-moment {
 border-left: 1px solid var(--line);
}
.sci .night-moment:not(:last-child)::after {
 content: "\2192"; position: absolute; z-index: 2; top: 25px; right: -10px; width: 20px; color: var(--blue); background: #fff; font-size: 11px; line-height: 18px; text-align: center;
}
.sci .night-moment-num {
 display: block; color: var(--blue); font-size: 10px; font-weight: 700; letter-spacing: .15em;
}
.sci .night-moment-visual {
 display: grid; height: 112px; align-items: center; margin: 12px 0 20px; color: var(--blue);
}
.sci .night-moment-visual svg {
 display: block; width: 100%; height: 100%;
}
.sci .mini-light {
 fill: none; stroke: var(--blue); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke;
}
.sci .mini-sound {
 fill: none; stroke: rgba(78,93,155,.45); stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke;
}
.sci .mini-axis {
 fill: none; stroke: rgba(36,33,31,.16); stroke-width: 1; stroke-linecap: round; vector-effect: non-scaling-stroke;
}
.sci .mini-night {
 fill: none; stroke: rgba(78,93,155,.32); stroke-width: 1.5; stroke-linecap: round; vector-effect: non-scaling-stroke;
}
.sci .mini-event {
 fill: none; stroke: rgba(78,93,155,.62); stroke-width: 1.2; stroke-dasharray: 4 4; stroke-linecap: round; vector-effect: non-scaling-stroke;
}
.sci .mini-tick {
 fill: none; stroke: var(--blue); stroke-width: 1.5; stroke-linecap: round; vector-effect: non-scaling-stroke;
}
.sci .mini-fill {
 fill: rgba(78,93,155,.06);
}
.sci .mini-label {
 fill: var(--muted); font-family: var(--sans); font-size: 8px; font-weight: 650; letter-spacing: .06em;
}
.sci .night-moment h3 {
 margin: 0; font-size: 20px; font-weight: 400; line-height: 1.2;
}
.sci .night-moment p {
 margin: 9px 0 0; color: var(--body); font-size: 13px; line-height: 1.55;
}
.sci .night-control-rail {
 display: flex; min-height: 54px; align-items: center; justify-content: center; padding: 12px 22px; color: #fff; background: var(--night); font-size: 11px; font-weight: 650; letter-spacing: .08em; text-align: center; text-transform: uppercase;
}
.sci .night-experience > figcaption {
 padding: 12px 0; color: var(--muted); font-size: 9px; letter-spacing: .1em; text-transform: uppercase;
}
.sci .fallback {
 margin-top: 22px; padding: 22px; border-left: 3px solid var(--amber); background: var(--amber-soft); font-size: 13px;
}
.sci .science-grid {
 grid-template-columns: repeat(3, 1fr); margin-top: 26px;
}
.sci .science-card b {
 display: block; margin-bottom: 18px; color: var(--blue); font-size: 10px; letter-spacing: .1em;
}
.sci .loop {
 display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 50px; background: var(--line-dark); border: 1px solid var(--line-dark);
}
.sci .loop-step {
 min-height: 240px; padding: 30px; background: var(--night-2);
}
.sci .loop-step span {
 color: #aab4ef; font-size: 10px; letter-spacing: .12em;
}
.sci .loop-step h3 {
 margin-top: 64px; color: #fff; font-family: var(--serif); font-size: 29px; font-weight: 400;
}
.sci .loop-step p {
 margin-bottom: 0; font-size: 12px;
}
.sci .baseline {
 margin-top: 30px; padding: 28px; border: 1px solid var(--line-dark);
}
.sci .baseline h3 {
 color: #fff;
}
.sci .baseline p {
 max-width: 760px; margin-bottom: 0;
}
.sci .boundary-grid {
 grid-template-columns: repeat(3, 1fr);
}
.sci .boundary-card {
 border-top: 2px solid var(--blue);
}
.sci .boundary-card ul {
 margin: 20px 0 0; padding-left: 18px; color: var(--body); font-size: 13px;
}
.sci .boundary-card li {
 margin-top: 10px;
}
.sci-legal-wrap {
 padding: 80px 0 46px; color: #fff; background: #07080a;
}
.sci-legal-wrap h2 {
 font-size: clamp(38px, 4.5vw, 62px);
}
.sci-legal-wrap > .container > p {
 max-width: 760px; color: rgba(255,255,255,.65); font-size: 17px;
}
.sci .legal {
 margin-top: 46px; padding-top: 22px; color: rgba(255,255,255,.58); border-top: 1px solid var(--line-dark); font-size: 11px; line-height: 1.65;
}
.sci .footer-meta {
 display: flex; justify-content: space-between; gap: 20px; margin-top: 24px; color: rgba(255,255,255,.54); font-size: 10px; line-height: 1.5;
}
.sci .reveal {
 opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.sci .reveal.visible {
 opacity: 1; transform: none;
}
@media (max-width: 1020px) {
.sci .engine-contract {
 grid-template-columns: 1fr;
}
.sci .system-map {
 padding-inline: 38px;
}
.sci .system-layer {
 grid-template-columns: 138px minmax(0,1fr);
}
.sci .system-layer.interaction {
 width: 84%;
}
.sci .system-layer.engine {
 width: 94%;
}
.sci .system-layer .token-list {
 grid-column: 2; justify-content: flex-start; max-width: none;
}
.sci .roadmap {
 grid-template-columns: 1fr 1fr;
}
.sci .loop {
 grid-template-columns: 1fr 1fr;
}
}
@media (max-width: 800px) {
.sci .container {
 width: min(100% - 32px, 1180px);
}
.sci .section {
 padding: 82px 0;
}
.sci .section-head, .sci .benchmark, .sci .contactless, .sci .evidence-head {
 grid-template-columns: 1fr; gap: 24px;
}
.sci .system-map {
 padding: 32px 18px 36px;
}
.sci .system-layer, .sci .system-layer.interaction, .sci .system-layer.engine, .sci .system-layer.sensor {
 width: 100%;
}
.sci .system-layer {
 grid-template-columns: 1fr; gap: 14px; padding: 22px; box-shadow: 0 7px 0 rgba(23,23,25,.07);
}
.sci .system-layer.engine {
 min-height: 0; padding-block: 28px; box-shadow: 0 9px 0 #252d52, 0 22px 36px rgba(42,50,89,.18);
}
.sci .system-layer .token-list {
 grid-column: auto;
}
.sci .system-flow {
 height: 58px;
}
.sci .system-flow span {
 margin-left: 150px;
}
.sci .system-caption {
 grid-template-columns: 1fr; gap: 6px; margin-top: 30px; text-align: left;
}
.sci .sci-hero {
 min-height: 690px;
}
.sci .hero-copy {
 padding-bottom: 54px;
}
.sci .input-grid, .sci .science-grid, .sci .boundary-grid {
 grid-template-columns: 1fr;
}
.sci .zero-friction {
 grid-template-columns: 1fr;
}
.sci .zero-friction div + div {
 border-left: 0; border-top: 1px solid var(--line-dark);
}
.sci .moments-line {
 grid-template-columns: 1fr; border-top: 0; border-left: 1px solid var(--line-dark);
}
.sci .moment {
 padding: 0 0 24px 24px;
}
.sci .moment::before {
 top: 3px; left: -5px;
}
.sci .state-output {
 grid-template-columns: 1fr;
}
.sci .roadmap, .sci .loop {
 grid-template-columns: 1fr;
}
.sci .chart-frame::after {
 content: ""; position: absolute; z-index: 4; top: 1px; right: 1px; bottom: 20px; width: 30px; pointer-events: none; background: linear-gradient(90deg, transparent, rgba(255,255,255,.94)); transition: opacity .2s;
}
.sci .chart-frame.at-end::after {
 opacity: 0;
}
.sci .chart-swipe {
 display: block; margin-top: 9px; color: var(--blue); font-size: 9px; font-weight: 700; letter-spacing: .1em; text-align: right; text-transform: uppercase;
}
.sci .context-band {
 grid-template-columns: 1fr;
}
.sci .footer-meta {
 flex-direction: column;
}
}
@media (min-width: 768px) and (max-width: 900px) {
.sci .night-moment {
 padding-right: 14px; padding-left: 14px;
}
.sci .night-moment-visual {
 height: 94px; margin-bottom: 16px;
}
.sci .night-moment h3 {
 font-size: 18px;
}
.sci .night-moment p {
 font-size: 12.5px;
}
}
@media (max-width: 767px) {
.sci .night-experience {
 border-bottom: 0;
}
.sci .night-experience ol {
 position: relative; display: block; padding-left: 28px;
}
.sci .night-experience ol::before {
 content: ""; position: absolute; top: 30px; bottom: 30px; left: 4px; width: 1px; background: rgba(77,87,136,.26);
}
.sci .night-moment {
 padding: 24px 0 28px 14px;
}
.sci .night-moment + .night-moment {
 border-top: 1px solid var(--line); border-left: 0;
}
.sci .night-moment::before {
 content: ""; position: absolute; z-index: 2; top: 28px; left: -27px; width: 7px; height: 7px; border: 1px solid var(--blue); border-radius: 50%; background: #fff;
}
.sci .night-moment:last-child::before {
 background: var(--blue);
}
.sci .night-moment:not(:last-child)::after {
 display: none;
}
.sci .night-moment-visual {
 width: 100%; max-width: 250px; height: 80px; margin: 8px 0 16px;
}
.sci .night-moment h3 {
 font-size: 21px;
}
.sci .night-moment p {
 max-width: 330px;
}
.sci .night-control-rail {
 min-height: 52px; margin-top: 0; font-size: 10px;
}
.sci .night-experience > figcaption {
 padding-left: 42px;
}
}
@media (max-width: 480px) {
.sci .sci-hero {
 min-height: 650px;
}
.sci .contactless, .sci .contract-core, .sci .contract-side {
 padding: 24px;
}
.sci .engine-logic {
 grid-template-columns: 1fr 18px 1fr;
}
.sci .engine-logic > .engine-op:nth-child(4) {
 display: none;
}
.sci .engine-step:last-child {
 grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.14);
}
.sci .system-flow span {
 margin-left: 112px; font-size: 7px;
}
.sci .stat-lede {
 flex-direction: column; gap: 8px;
}
.sci .stat-lede strong {
 font-size: 38px;
}
.sci .stat-lede p {
 font-size: 13.5px;
}
.sci .closing-ledger {
 grid-template-columns: 1fr; gap: 22px;
}
}
@media (prefers-reduced-motion: reduce) {
.sci {
 scroll-behavior: auto;
}
.sci .reveal {
 opacity: 1; transform: none; transition: none;
}
}
/* 2026 brand realignment: warm editorial surfaces, flat evidence hierarchy. */
.sci {

      --ink: #24211f;
      --body: #5f5952;
      --muted: #7b746b;
      --paper: #fffdf8;
      --wash: #f0ede7;
      --night: #1a1716;
      --night-2: #24211f;
      --line: rgba(36,33,31,.13);
      --line-dark: rgba(255,253,248,.16);
      --blue: #4d5788;
      --blue-dark: #363f6d;
      --blue-soft: #ececf3;
      --green: #4f695d;
      --green-soft: transparent;
      --amber: #8a6737;
      --amber-soft: #eee4d3;
      --cta: #e7c99a;
      --serif: "Iowan Old Style", Iowan, Baskerville, Georgia, "Times New Roman", serif;
      --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", "Segoe UI", Roboto, Arial, sans-serif;
}
.sci {
 background: #f7f5f0;
}
.sci h1 {
 font-family: var(--serif); font-weight: 400;
}
.sci h2, .sci h3 {
 font-family: var(--sans); letter-spacing: -.035em;
}
.sci h2 {
 max-width: 850px; font-weight: 300; line-height: 1.05;
}
.sci h3 {
 font-weight: 450;
}
.sci p {
 color: var(--body);
}
.sci .container {
 width: min(1200px, calc(100% - 80px));
}
.sci .section {
 padding: 124px 0;
}
.sci .section.wash {
 background: var(--wash);
}
.sci .section.night {
 background: var(--night);
}
.sci .section-head {
 grid-template-columns: minmax(0,1.4fr) minmax(260px,.6fr); gap: 72px; margin-bottom: 70px;
}
.sci .kicker {
 margin-bottom: 16px; color: var(--blue); font-size: 10px; font-weight: 650; letter-spacing: .16em;
}
.sci .lead {
 font-size: clamp(17px,1.55vw,21px);
}
.sci .status {
 position: relative; min-height: 0; padding: 0 0 0 14px; border: 0; border-radius: 0; background: transparent !important; font-size: 9px; line-height: 1.4;
}
.sci .status::before {
 content: ""; position: absolute; top: .36em; left: 0; width: 6px; height: 6px; border-radius: 50%; background: currentColor;
}
.sci .sci-hero {
 min-height: 0; display: block; padding-top: 72px; color: var(--ink); background: #f7f5f0; overflow: hidden;
}
.sci .hero-shell {
 display: grid; grid-template-columns: minmax(0,.82fr) minmax(0,1.18fr); gap: clamp(42px,6vw,92px); align-items: stretch; min-height: 690px; padding-top: 76px; padding-bottom: 64px;
}
.sci .hero-copy {
 position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; min-height: 0; padding: 32px 0;
}
.sci .hero-index {
 display: flex; align-items: center; justify-content: space-between; max-width: 560px; margin-bottom: clamp(56px,8vh,96px); padding-bottom: 14px; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 9px; font-weight: 650; letter-spacing: .14em; text-transform: uppercase;
}
.sci .sci-hero h1 {
 max-width: 620px; margin-bottom: 26px; color: var(--ink); font-size: clamp(54px,5.25vw,78px); line-height: .99;
}
.sci .sci-hero h1 em {
 color: var(--blue);
}
.sci .sci-hero .lead {
 max-width: 580px; color: var(--body); font-size: clamp(17px,1.55vw,20px);
}
.sci .hero-actions {
 display: flex; flex-wrap: wrap; align-items: center; gap: 20px; margin-top: 32px;
}
.sci .cta {
 display: inline-flex; min-height: 45px; align-items: center; justify-content: center; padding: 0 20px; color: var(--ink); border: 1px solid var(--cta); border-radius: 3px; background: var(--cta); font-size: 12px; font-weight: 550; text-decoration: none; transition: background .18s, border-color .18s, transform .18s;
}
.sci .cta:hover {
 border-color: #f0d9b4; background: #f0d9b4; transform: translateY(-1px);
}
.sci .cta:focus-visible, .sci .text-link:focus-visible {
 outline: 2px solid #fffdf8; outline-offset: 4px;
}
.sci .sci-hero .cta {
 color: #fffdf8; border-color: var(--ink); background: var(--ink);
}
.sci .sci-hero .cta:hover {
 border-color: var(--blue-dark); background: var(--blue-dark);
}
.sci .sci-hero .cta:focus-visible, .sci .sci-hero .text-link:focus-visible {
 outline-color: var(--blue);
}
.sci .text-link {
 color: var(--body); font-size: 12px; text-underline-offset: 4px;
}
.sci .hero-media {
 position: relative; inset: auto; min-height: 600px; overflow: hidden; background: #d8d0c1;
}
.sci .hero-media img {
 width: 100%; height: 100%; object-fit: cover; object-position: 40% center;
}
.sci .hero-media::after {
 content: ""; position: absolute; inset: auto 0 0; height: 28%; background: linear-gradient(0deg, rgba(18,16,15,.54), transparent);
}
.sci .hero-media figcaption {
 position: absolute; z-index: 1; right: 22px; bottom: 18px; left: 22px; padding: 0; color: rgba(255,253,248,.78); font-size: 9px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
}
.sci .sci-hero .proof-strip {
 margin-top: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper);
}
.sci .sci-hero .proof-grid {
 width: 100%;
}
.sci .sci-hero .proof {
 min-height: 112px; padding: 25px 24px 26px 0;
}
.sci .sci-hero .proof + .proof {
 border-color: var(--line);
}
.sci .sci-hero .proof strong {
 color: var(--ink); font-size: 12px; font-weight: 550;
}
.sci .sci-hero .proof span {
 color: var(--muted);
}
.sci .system-map {
 padding: 0; border: 0; background: transparent;
}
.sci .system-map::before {
 display: none;
}
.sci .system-layer, .sci .system-layer.interaction, .sci .system-layer.engine, .sci .system-layer.sensor {
 width: 100%; padding: 32px 34px; border: 1px solid var(--line); box-shadow: none;
}
.sci .system-layer {
 grid-template-columns: 190px minmax(0,1fr) auto; background: rgba(255,253,248,.48);
}
.sci .system-layer.engine {
 min-height: 0; padding-block: 42px; border-color: var(--night); background: var(--night); box-shadow: none;
}
.sci .system-layer h3 {
 font-family: var(--sans); font-size: clamp(26px,2.4vw,35px); font-weight: 350;
}
.sci .system-layer.engine .layer-num {
 color: rgba(255,253,248,.45);
}
.sci .token-list {
 gap: 8px 16px;
}
.sci .token {
 padding: 0; border: 0; background: transparent; font-size: 9px;
}
.sci .token + .token::before {
 content: "·"; margin-right: 16px; color: rgba(36,33,31,.28);
}
.sci .system-flow {
 height: 54px;
}
.sci .system-flow span {
 background: var(--wash);
}
.sci .engine-logic {
 border-color: rgba(255,253,248,.18);
}
.sci .engine-step {
 background: transparent;
}
.sci .system-caption {
 border-top: 1px solid var(--line); padding-top: 18px;
}
.sci .loop-intro {
 display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: end; margin-top: 96px; padding-top: 30px; border-top: 1px solid var(--line);
}
.sci .loop-intro h3 {
 max-width: 620px; margin: 0; font-size: clamp(29px,3vw,44px); font-weight: 300; line-height: 1.12;
}
.sci .loop-intro p {
 margin: 0;
}
.sci .loop {
 gap: 0; margin-top: 34px; border: 0; border-top: 1px solid var(--line); background: transparent;
}
.sci .loop-step {
 min-height: 210px; padding: 28px 30px 24px 0; border-right: 1px solid var(--line); background: transparent;
}
.sci .loop-step + .loop-step {
 padding-left: 30px;
}
.sci .loop-step:last-child {
 border-right: 0;
}
.sci .loop-step span {
 color: var(--blue);
}
.sci .loop-step h3 {
 margin-top: 52px; color: var(--ink); font-family: var(--sans); font-size: 26px; font-weight: 350;
}
.sci .loop-step p {
 color: var(--body);
}
.sci .input-grid, .sci .roadmap, .sci .science-grid, .sci .boundary-grid {
 gap: 0;
}
.sci .input-card, .sci .road-card, .sci .science-card, .sci .boundary-card {
 padding: 26px 28px 26px 0; border: 0; border-top: 1px solid var(--line); background: transparent;
}
.sci .input-card + .input-card, .sci .road-card + .road-card, .sci .science-card + .science-card, .sci .boundary-card + .boundary-card {
 padding-left: 28px; border-left: 1px solid var(--line);
}
.sci .contactless {
 margin: 76px 0 96px; padding: 48px; background: var(--night);
}
.sci .contactless h3, .sci .evidence-head h3, .sci .benchmark h3 {
 font-family: var(--sans) !important; font-weight: 350 !important; letter-spacing: -.035em;
}
.sci .zero-friction strong {
 font-family: var(--sans); font-weight: 350;
}
.sci .benchmark {
 gap: 0; border: 1px solid var(--line); background: var(--paper);
}
.sci .benchmark > div, .sci .benchmark > figure {
 padding: 38px;
}
.sci .benchmark > figure {
 border-left: 1px solid var(--line);
}
.sci .protocol-video {
 margin-top: 28px;
}
.sci .evidence-block {
 margin-top: 96px;
}
.sci .evidence-head {
 margin-bottom: 30px;
}
.sci .chart-scroll {
 background: var(--paper);
}
.sci .chart-axis {
 background: var(--paper);
}
.sci .engine-contract {
 gap: 0; border: 1px solid var(--line-dark);
}
.sci .contract-side {
 height: 100%; border: 0;
}
.sci .contract-side:first-child {
 border-right: 1px solid var(--line-dark);
}
.sci .contract-side:last-child {
 border-left: 1px solid var(--line-dark);
}
.sci .contract-core {
 background: var(--paper);
}
.sci .contract-core h3 {
 font-family: var(--sans); font-weight: 300;
}
.sci .state-output div {
 background: #f7f5f0;
}
.sci .unknown {
 border: 0; border-left: 2px solid #c9a976; background: rgba(231,201,154,.1);
}
.sci .roadmap {
 margin-top: 0;
}
.sci .context-band {
 border: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: transparent;
}
.sci .context-band > div {
 padding: 28px 32px 28px 0; background: transparent;
}
.sci .context-band > div + div {
 padding-left: 32px; border-left: 1px solid var(--line);
}
.sci .context-band strong {
 font-family: var(--sans); font-weight: 300;
}
.sci .fallback {
 border-left: 2px solid var(--amber); background: #e9dfce;
}
.sci .profile-head {
 display: grid; grid-template-columns: 1.35fr .65fr; gap: 56px; align-items: end; margin-bottom: 46px;
}
.sci .profile-head h2 {
 max-width: 850px;
}
.sci .profile-head p {
 margin-bottom: 4px;
}
.sci .rhythm-loop {
 margin: -8px 0 52px;
}
.sci .rhythm-loop ol {
 display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); margin: 0; padding: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); list-style: none;
}
.sci .rhythm-loop li {
 position: relative; min-width: 0; padding: 20px 30px 18px;
}
.sci .rhythm-loop li:first-child {
 padding-left: 0;
}
.sci .rhythm-loop li:last-child {
 padding-right: 0;
}
.sci .rhythm-loop li + li {
 border-left: 1px solid var(--line);
}
.sci .rhythm-loop li:not(:last-child)::after {
 content: "→"; position: absolute; z-index: 2; top: 19px; right: -10px; width: 20px; color: var(--blue); background: #fff; font-size: 10px; line-height: 16px; text-align: center;
}
.sci .rhythm-loop b {
 display: block; color: var(--blue); font-size: 9px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
}
.sci .rhythm-loop span {
 display: block; margin-top: 7px; color: var(--body); font-size: 12px; line-height: 1.45;
}
.sci .rhythm-loop figcaption {
 padding-top: 12px; color: var(--muted); font-size: 9px; letter-spacing: .1em; text-transform: uppercase;
}
.sci .story-figure {
 margin: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.sci .story-title {
 display: flex; align-items: baseline; justify-content: space-between; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line);
}
.sci .story-title h3 {
 margin: 0; font-size: 24px; font-weight: 400;
}
.sci .story-title > span, .sci .story-figure > figcaption {
 color: var(--muted); font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
}
.sci .profile-stages {
 position: relative; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: clamp(42px,6vw,84px); padding: 36px 0 38px;
}
.sci .profile-stages::after {
 content: ""; position: absolute; z-index: 0; right: 0; bottom: 76px; left: 0; height: 1px; background: rgba(78,93,155,.2);
}
.sci .profile-stage {
 position: relative; z-index: 1; min-width: 0; display: flex; flex-direction: column; padding: 0;
}
.sci .profile-stage::after {
 content: ""; position: absolute; z-index: 2; bottom: 33px; left: 50%; width: 9px; height: 9px; border: 1px solid var(--blue); border-radius: 50%; background: #fff; transform: translateX(-50%);
}
.sci .profile-stage:last-child::after {
 background: var(--blue);
}
.sci .profile-stage b, .sci .restraint-node b {
 display: block; color: var(--blue); font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
}
.sci .profile-stage h4, .sci .restraint-node h4 {
 margin: 12px 0 0; font-size: 20px; font-weight: 420; line-height: 1.25;
}
.sci .profile-stage p, .sci .restraint-node p {
 margin: 9px 0 0; color: var(--body); font-size: 13px;
}
.sci .profile-stage p {
 max-width: 300px;
}
.sci .profile-chart {
 position: relative; z-index: 1; display: block; width: 100%; height: 180px; margin-top: 24px; overflow: visible;
}
.sci .profile-chart text {
 fill: var(--muted); font-family: var(--sans); font-size: 8px; font-weight: 650; letter-spacing: .06em;
}
.sci .profile-chart .chart-track {
 fill: none; stroke: rgba(36,33,31,.16); stroke-width: 1; vector-effect: non-scaling-stroke;
}
.sci .profile-chart .data-line {
 fill: none; stroke: var(--blue); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke;
}
.sci .profile-chart .data-soft {
 fill: none; stroke: rgba(78,93,155,.3); stroke-width: 1; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke;
}
.sci .profile-chart .data-block {
 fill: rgba(78,93,155,.14); stroke: var(--blue); stroke-width: 1; vector-effect: non-scaling-stroke;
}
.sci .profile-chart .data-mark {
 fill: var(--blue);
}
.sci .profile-chart .quality-valid {
 fill: rgba(78,93,155,.6);
}
.sci .profile-chart .quality-gap {
 fill: #fff; stroke: rgba(78,93,155,.48); stroke-width: 1; stroke-dasharray: 3 3; vector-effect: non-scaling-stroke;
}
.sci .profile-chart .intended-line {
 fill: none; stroke: rgba(78,93,155,.62); stroke-width: 1.2; stroke-dasharray: 4 4; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke;
}
.sci .profile-chart .repeat-zone {
 fill: rgba(78,93,155,.05); stroke: rgba(78,93,155,.52); stroke-width: 1; stroke-dasharray: 4 4; vector-effect: non-scaling-stroke;
}
.sci .profile-chart .outcome-line {
 stroke: var(--blue); stroke-width: 1.25; vector-effect: non-scaling-stroke;
}
.sci .profile-chart .outcome-line.quiet {
 stroke: rgba(78,93,155,.4);
}
.sci .profile-chart .outcome-label {
 fill: var(--blue-dark); font-size: 9px;
}
.sci .profile-figure > figcaption {
 color: var(--muted); font-size: 10px; letter-spacing: .01em; line-height: 1.55; text-transform: none;
}
.sci .restraint-chart .axis {
 stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke;
}
.sci .restraint-chart .trace {
 fill: none; stroke: var(--blue); stroke-width: 2; vector-effect: non-scaling-stroke;
}
.sci .restraint-chart .mark {
 fill: var(--blue);
}
.sci .restraint-chart .mark-soft {
 fill: rgba(78,93,155,.18); stroke: var(--blue); stroke-width: 1; vector-effect: non-scaling-stroke;
}
.sci .story-figure > figcaption {
 padding: 14px 0; border-top: 1px solid var(--line);
}
.sci .restraint-figure {
 margin-top: 72px;
}
.sci .restraint-flow {
 display: grid; grid-template-columns: minmax(0,1fr) 44px minmax(0,1fr) 44px minmax(0,1fr); align-items: stretch;
}
.sci .restraint-node {
 display: flex; flex-direction: column; min-width: 0; padding: 28px; border-left: 1px solid var(--line);
}
.sci .restraint-node:first-child {
 padding-left: 0; border-left: 0;
}
.sci .restraint-node:last-of-type {
 padding-right: 0; padding-bottom: 0;
}
.sci .restraint-chart {
 display: block; width: 100%; height: auto; margin-top: auto; padding-top: 22px;
}
.sci .restraint-chart .gate {
 fill: rgba(78,93,155,.08); stroke: var(--blue); stroke-width: 1; vector-effect: non-scaling-stroke;
}
.sci .restraint-chart .hold {
 fill: #fff; stroke: var(--muted); stroke-width: 1; vector-effect: non-scaling-stroke;
}
.sci .restraint-chart .decision {
 fill: #fff; stroke: var(--blue); stroke-width: 1.25; vector-effect: non-scaling-stroke;
}
.sci .restraint-chart .chart-label {
 fill: var(--body); font-family: var(--sans); font-size: 8px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase;
}
.sci .restraint-chart .chart-label.muted {
 fill: var(--muted);
}
.sci .flow-arrow {
 position: relative; color: var(--blue); border-left: 1px solid var(--line); border-right: 1px solid var(--line); font-size: 14px;
}
.sci .flow-arrow span {
 position: absolute; right: 0; bottom: 94px; left: 0; text-align: center;
}
.sci .control-rail {
 position: relative; display: flex; align-items: center; justify-content: center; min-height: 52px; color: #fff; background: var(--blue-dark); font-size: 9px; font-weight: 650; letter-spacing: .13em; text-transform: uppercase;
}
.sci .control-rail span {
 display: flex; align-items: center; justify-content: center; gap: 12px;
}
.sci .control-rail span::before {
 content: ""; width: 28px; height: 1px; background: rgba(255,255,255,.55);
}
.sci .final-cta {
 display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px; align-items: end; margin-top: 96px; padding: 54px; background: #d8d0c1;
}
.sci .final-cta h3 {
 max-width: 680px; margin: 0; font-size: clamp(36px,4vw,58px); font-weight: 300; line-height: 1.05;
}
.sci .final-cta-copy {
 justify-self: end; max-width: 370px;
}
.sci .final-cta-copy p {
 margin-bottom: 24px; color: #4f4943;
}
.sci .final-cta .cta:focus-visible {
 outline-color: var(--ink);
}
.sci-legal-wrap {
 padding: 46px 0 38px; background: var(--night);
}
.sci-legal-wrap h2, .sci-legal-wrap > .container > p {
 display: none;
}
.sci-legal-wrap .kicker {
 color: rgba(255,253,248,.55);
}
.sci .legal {
 margin-top: 26px; padding-top: 22px;
}
@media (max-width: 1020px) {
.sci .container {
 width: min(100% - 48px,1200px);
}
.sci .system-layer {
 grid-template-columns: 150px minmax(0,1fr);
}
.sci .loop {
 grid-template-columns: 1fr 1fr;
}
.sci .loop-step:nth-child(2) {
 border-right: 0;
}
.sci .loop-step:nth-child(n+3) {
 border-top: 1px solid var(--line);
}
.sci .roadmap {
 grid-template-columns: 1fr 1fr;
}
.sci .road-card:nth-child(3) {
 padding-left: 0; border-left: 0;
}
.sci .road-card:nth-child(n+3) {
 border-top: 1px solid var(--line);
}
.sci .restraint-flow {
 grid-template-columns: minmax(0,1fr) 34px minmax(0,1fr) 34px minmax(0,1fr);
}
.sci .restraint-node {
 padding-inline: 20px;
}
}
@media (max-width: 800px) {
.sci .container {
 width: min(100% - 32px,1200px);
}
.sci .section {
 padding: 88px 0;
}
.sci .section-head, .sci .loop-intro, .sci .profile-head, .sci .final-cta {
 grid-template-columns: 1fr; gap: 26px;
}
.sci .section-head {
 margin-bottom: 48px;
}
.sci .sci-hero {
 min-height: 0; padding-top: 60px;
}
.sci .hero-shell {
 grid-template-columns: 1fr; gap: 0; min-height: 0; padding-top: 58px; padding-bottom: 0;
}
.sci .hero-copy {
 min-height: 0; padding: 0 0 54px;
}
.sci .hero-index {
 margin-bottom: 48px;
}
.sci .hero-media {
 min-height: 0; aspect-ratio: 4 / 3;
}
.sci .hero-media img {
 object-position: 40% center;
}
.sci .sci-hero .proof-strip {
 margin-top: 0;
}
.sci .system-layer {
 grid-template-columns: 1fr; padding: 26px; box-shadow: none;
}
.sci .system-layer.engine {
 box-shadow: none;
}
.sci .system-layer .token-list {
 grid-column: auto;
}
.sci .token-list {
 justify-content: flex-start;
}
.sci .system-flow span {
 margin-left: 134px;
}
.sci .loop-intro {
 margin-top: 72px;
}
.sci .input-grid, .sci .science-grid, .sci .boundary-grid {
 grid-template-columns: 1fr;
}
.sci .input-card + .input-card, .sci .science-card + .science-card, .sci .boundary-card + .boundary-card {
 padding-left: 0; border-left: 0;
}
.sci .contactless {
 padding: 32px;
}
.sci .benchmark > div, .sci .benchmark > figure {
 padding: 26px;
}
.sci .benchmark > figure {
 border-top: 1px solid var(--line); border-left: 0;
}
.sci .photo-callout {
 font-size: 8px;
}
.sci .contract-side:first-child, .sci .contract-side:last-child {
 border: 0;
}
.sci .contract-side:first-child {
 border-bottom: 1px solid var(--line-dark);
}
.sci .contract-side:last-child {
 border-top: 1px solid var(--line-dark);
}
.sci .context-band > div + div {
 border-top: 1px solid var(--line); border-left: 0;
}
.sci .final-cta {
 padding: 38px 30px;
}
.sci .final-cta-copy {
 justify-self: start;
}
}
@media (max-width: 480px) {
.sci .sci-hero {
 min-height: 0;
}
.sci .sci-hero h1 {
 font-size: clamp(46px,13vw,58px);
}
.sci .hero-index {
 margin-bottom: 40px;
}
.sci .hero-media {
 aspect-ratio: 1 / 1;
}
.sci .sci-hero .proof-grid {
 grid-template-columns: 1fr 1fr;
}
.sci .sci-hero .proof {
 min-height: 100px; padding: 18px 14px 18px 0;
}
.sci .sci-hero .proof + .proof {
 padding-left: 14px; border-left: 1px solid var(--line);
}
.sci .sci-hero .proof:nth-child(3) {
 padding-left: 0; border-left: 0; border-top: 1px solid var(--line);
}
.sci .sci-hero .proof:nth-child(4) {
 border-top: 1px solid var(--line);
}
.sci .system-map {
 padding: 0;
}
.sci .loop {
 grid-template-columns: 1fr;
}
.sci .loop-step, .sci .loop-step + .loop-step {
 min-height: 0; padding: 24px 0; border-right: 0; border-top: 1px solid var(--line);
}
.sci .loop-step h3 {
 margin-top: 26px;
}
.sci .roadmap {
 grid-template-columns: 1fr;
}
.sci .road-card + .road-card, .sci .road-card:nth-child(3) {
 padding-left: 0; border-left: 0;
}
.sci .final-cta {
 margin-top: 72px; padding: 32px 24px;
}
.sci .photo-callout {
 padding: 6px 7px; font-size: 7.5px;
}
.sci .callout-head {
 right: 10px; left: auto; max-width: 55%;
}
.sci .callout-detail {
 right: 10px; bottom: 10px; left: 10px; width: max-content; max-width: calc(100% - 20px);
}
.sci .callout-leg {
 top: 8px; right: 8px; left: auto; padding: 5px 6px; font-size: 7px;
}
.sci .callout-room {
 right: 10px; bottom: 10px;
}
}
/* 2026-08 research publication pass: white laboratory field, scoped claims. */
.sci {

      --ink: #202124;
      --body: #4f5459;
      --muted: #6f7479;
      --paper: #ffffff;
      --wash: #f6f7f8;
      --night: #17191d;
      --night-2: #202329;
      --line: #dadce0;
      --line-dark: rgba(255,255,255,.17);
      --blue: #4f5b8d;
      --blue-dark: #3f496f;
      --blue-soft: #f0f2f8;
      --green: #4f6d61;
      --amber: #876530;
      --amber-soft: #fbf5ea;
      --cta: #e7c99a;
}
.sci {
 background: var(--paper);
}
.sci h2 {
 max-width: 820px; font-family: var(--sans); font-size: clamp(36px,3.9vw,58px); font-weight: 360; letter-spacing: -.045em; line-height: 1.04;
}
.sci .container {
 width: min(1200px, calc(100% - 80px));
}
.sci .section {
 padding: 88px 0;
}
.sci .section.wash {
 background: var(--wash);
}
.sci .section-head {
 grid-template-columns: minmax(0,1.2fr) minmax(260px,.8fr); gap: 64px; margin-bottom: 46px;
}
.sci .small {
 color: var(--muted);
}
.sci .sci-hero {
 padding-top: 72px; background: var(--paper);
}
.sci .hero-shell {
 grid-template-columns: minmax(0,.9fr) minmax(420px,1.1fr); gap: clamp(48px,6vw,88px); min-height: 650px; padding-top: 68px; padding-bottom: 64px;
}
.sci .hero-copy {
 padding: 0;
}
.sci .hero-index {
 max-width: none; margin-bottom: 40px;
}
.sci .sci-hero .kicker {
 margin-bottom: 24px;
}
.sci .sci-hero h1 {
 max-width: 650px; margin-bottom: 28px; color: var(--ink); font-family: var(--sans); font-size: clamp(44px,4.35vw,64px); font-weight: 380; letter-spacing: -.048em; line-height: 1.02;
}
.sci .sci-hero h1 em {
 color: var(--blue); font-style: normal; font-weight: inherit;
}
.sci .sci-hero .lead {
 max-width: 620px; font-size: clamp(17px,1.4vw,20px);
}
.sci .sci-hero .cta {
 color: #fff; border-color: var(--ink); background: var(--ink);
}
.sci .hero-media {
 align-self: stretch; min-height: 540px; margin: 0;
}
.sci .hero-media img {
 object-position: 48% center;
}
.sci #system {
 background: var(--paper);
}
.sci .system-map {
 border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.sci .system-layer, .sci .system-layer.interaction, .sci .system-layer.sensor {
 border-width: 0 1px 1px; background: #fff;
}
.sci .system-layer.engine {
 border: 0; background: var(--night);
}
.sci .system-flow span {
 background: #fff;
}
.sci .system-caption {
 margin: 0; padding: 18px 0;
}
.sci .system-note {
 max-width: 760px; margin: 22px 0 0; color: var(--muted); font-size: 12px;
}
.sci .input-card, .sci .road-card, .sci .science-card, .sci .boundary-card {
 padding-top: 23px;
}
.sci .input-card h3 {
 margin-top: 36px;
}
.sci .benchmark {
 grid-template-columns: minmax(0,1.3fr) minmax(330px,.7fr); margin-top: 0; background: #fff;
}
.sci .benchmark > div {
 padding: 38px;
}
.sci .benchmark > figure {
 padding: 24px;
}
.sci .protocol-video {
 border: 1px solid var(--line);
}
.sci .photo-atlas {
 gap: 10px;
}
.sci .annotated-photo {
 background: var(--wash);
}
.sci .photo-anchor {
 position: absolute; z-index: 2; display: grid; place-items: center; width: 30px; height: 30px; color: var(--ink); border: 1px solid rgba(32,33,36,.48); border-radius: 50%; background: rgba(255,255,255,.92); box-shadow: 0 0 0 4px rgba(255,255,255,.42); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 9px; font-weight: 700;
}
.sci .photo-anchor::after {
 content: ""; position: absolute; top: 50%; left: 100%; width: 30px; border-top: 1px solid rgba(255,255,255,.9);
}
.sci .anchor-setup {
 top: 48%; left: 49%;
}
.sci .anchor-chest {
 top: 55%; left: 61%;
}
.sci .anchor-detail {
 right: 18px; bottom: 18px;
}
.sci .anchor-detail::after {
 right: 100%; left: auto;
}
.sci .anchor-leg {
 top: 20%; left: 48%;
}
.sci .photo-legend {
 display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; margin: 18px 0 0; padding: 0; border-top: 1px solid var(--line); list-style: none;
}
.sci .photo-legend li {
 display: grid; grid-template-columns: 30px 1fr; gap: 10px; padding: 9px 0; color: var(--body); border-bottom: 1px solid var(--line); font-size: 10px;
}
.sci .photo-legend b {
 color: var(--blue); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 9px;
}
.sci .multi-center-note {
 max-width: 880px; margin: 24px 0 0; color: var(--muted); font-size: 13px;
}
.sci .evidence-block {
 margin-top: 72px;
}
.sci .study-context {
 margin: -2px 0 16px; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 10px; letter-spacing: .015em;
}
.sci .state-section {
 color: var(--ink); background: var(--paper);
}
.sci .state-section p {
 color: var(--body);
}
.sci .state-section .section-head {
 margin-bottom: 48px;
}
.sci .engine-contract {
 padding: 18px; border: 0; background: var(--night);
}
.sci .contract-side {
 padding: 26px 24px;
}
.sci .contract-side h3 {
 color: #fff; font-weight: 400;
}
.sci .contract-side li {
 color: rgba(255,255,255,.64);
}
.sci .contract-core {
 padding: 38px 32px; background: #fff;
}
.sci .contract-core h3 {
 font-size: 34px;
}
.sci .contract-core p {
 color: var(--body);
}
.sci .state-output div {
 background: var(--wash);
}
.sci .unknown {
 max-width: 900px; margin-top: 0; color: var(--ink); border-left-color: var(--amber); background: var(--amber-soft);
}
.sci .unknown strong {
 color: var(--ink);
}
.sci .state-restraint {
 max-width: 760px; margin: 20px 0 0; color: var(--body);
}
.sci .moments {
 margin-top: 58px;
}
.sci .moments-line {
 border-color: var(--line);
}
.sci .moment::before {
 border-color: var(--blue); background: #fff;
}
.sci .moment b {
 color: var(--ink);
}
.sci .moment span, .sci .moment-note {
 color: var(--muted);
}
.sci .state-section .evidence-block {
 padding-top: 64px; border-top: 1px solid var(--line);
}
.sci .state-section .stat-lede strong {
 color: var(--ink);
}
.sci #interaction {
 background: var(--wash);
}
.sci .fallback {
 background: #fffaf1;
}
.sci .policy-rationale {
 margin-top: 54px;
}
.sci .policy-rationale h3 {
 max-width: 760px; margin-bottom: 18px; font-size: clamp(30px,3vw,42px); font-weight: 350; line-height: 1.12;
}
.sci .science-grid {
 border-bottom: 1px solid var(--line);
}
.sci #boundaries {
 background: #fff;
}
.sci .roadmap, .sci .boundary-grid {
 background: #fff;
}
.sci .final-cta {
 margin-top: 82px; background: var(--wash); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.sci-legal-wrap {
 background: var(--night);
}
@media (max-width: 1020px) {
.sci .hero-shell {
 grid-template-columns: 1fr; gap: 58px;
}
.sci .hero-media {
 width: 100%; min-height: 0; align-self: start; aspect-ratio: 16 / 10;
}
.sci .system-layer {
 grid-template-columns: 160px minmax(0,1fr);
}
}
@media (max-width: 900px) {
.sci .profile-stages {
 grid-template-columns: 1fr; gap: 0; padding: 0 0 0 28px;
}
.sci .profile-stages::after {
 top: 22px; right: auto; bottom: 22px; left: 4px; width: 1px; height: auto;
}
.sci .profile-stage {
 display: grid; grid-template-rows: auto auto 1fr; grid-template-columns: minmax(0,1fr) 320px; column-gap: 32px; padding: 32px 0;
}
.sci .profile-stage::after, .sci .profile-stage:last-child::after {
 top: 50%; bottom: auto; left: -24px; transform: translate(-50%,-50%);
}
.sci .profile-stage b {
 grid-area: 1 / 1;
}
.sci .profile-stage h4 {
 grid-area: 2 / 1;
}
.sci .profile-stage p {
 grid-area: 3 / 1;
}
.sci .profile-chart {
 grid-area: 1 / 2 / 4; margin-top: 0;
}
}
@media (max-width: 800px) {
.sci .container {
 width: min(100% - 32px,1200px);
}
.sci .section {
 padding: 82px 0;
}
.sci .section-head {
 grid-template-columns: 1fr; gap: 24px; margin-bottom: 48px;
}
.sci .sci-hero {
 padding-top: 60px;
}
.sci .hero-shell {
 gap: 42px; padding-top: 54px; padding-bottom: 52px;
}
.sci .hero-index {
 margin-bottom: 48px;
}
.sci .sci-hero h1 {
 font-size: clamp(48px,11vw,70px);
}
.sci .hero-media {
 aspect-ratio: 4 / 3;
}
.sci .benchmark {
 grid-template-columns: 1fr; margin-top: 56px;
}
.sci .photo-atlas {
 grid-template-columns: 1fr;
}
.sci .atlas-setup {
 grid-column: auto; aspect-ratio: 1600 / 933;
}
.sci .atlas-head {
 aspect-ratio: 1516 / 1038;
}
.sci .atlas-chest {
 aspect-ratio: 1571 / 1001;
}
.sci .atlas-leg {
 aspect-ratio: 3 / 4;
}
.sci .photo-legend {
 grid-template-columns: 1fr;
}
.sci .real-sleep-note {
 grid-template-columns: 1fr; gap: 22px;
}
.sci .profile-figure .story-title {
 align-items: flex-start; flex-direction: column;
}
.sci .rhythm-loop {
 margin: 0 0 44px;
}
.sci .rhythm-loop ol {
 position: relative; display: block; padding-left: 28px; border: 0;
}
.sci .rhythm-loop ol::before {
 content: ""; position: absolute; top: 18px; bottom: 18px; left: 4px; width: 1px; background: rgba(78,93,155,.24);
}
.sci .rhythm-loop li, .sci .rhythm-loop li:first-child, .sci .rhythm-loop li:last-child {
 padding: 15px 0 15px 12px;
}
.sci .rhythm-loop li + li {
 border-top: 1px solid var(--line); border-left: 0;
}
.sci .rhythm-loop li::before {
 content: ""; position: absolute; z-index: 2; top: 20px; left: -27px; width: 7px; height: 7px; border: 1px solid var(--blue); border-radius: 50%; background: #fff;
}
.sci .rhythm-loop li:not(:last-child)::after {
 display: none;
}
.sci .rhythm-loop figcaption {
 padding: 12px 0 0 40px;
}
.sci .engine-contract {
 grid-template-columns: 1fr 1fr; padding: 12px;
}
.sci .contract-core {
 grid-column: 1 / -1; order: 1;
}
.sci .contract-side {
 order: 2;
}
.sci .contract-side:first-child, .sci .contract-side:last-child {
 border: 0; border-top: 1px solid var(--line-dark);
}
.sci .moments-line {
 border-color: var(--line);
}
.sci .final-cta {
 padding: 38px 30px;
}
.sci .restraint-figure {
 margin-top: 54px;
}
.sci .restraint-flow {
 grid-template-columns: 1fr;
}
.sci .restraint-node, .sci .restraint-node:first-child, .sci .restraint-node:last-of-type {
 padding: 24px 0; border-left: 0; border-top: 1px solid var(--line);
}
.sci .restraint-node:first-child {
 border-top: 0;
}
.sci .restraint-node:last-of-type {
 padding-bottom: 0;
}
.sci .flow-arrow {
 display: grid; min-height: 38px; place-items: center; border: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.sci .flow-arrow span {
 position: static; transform: rotate(90deg);
}
.sci .restraint-chart {
 max-width: 300px; height: auto; margin-right: auto; margin-left: auto;
}
.sci .control-rail {
 min-height: 48px; padding-inline: 18px; text-align: center;
}
}
@media (max-width: 640px) {
.sci .story-title {
 display: block;
}
.sci .story-title > span {
 display: block; margin-top: 8px;
}
}
@media (max-width: 560px) {
.sci .profile-stages {
 padding-left: 24px;
}
.sci .profile-stages::after {
 left: 3px;
}
.sci .profile-stage {
 display: flex; padding: 30px 0 36px;
}
.sci .profile-stage::after, .sci .profile-stage:last-child::after {
 top: 38px; left: -21px;
}
.sci .profile-stage p {
 max-width: 320px;
}
.sci .profile-chart {
 width: 100%; max-width: 320px; height: 168px; margin-top: 20px;
}
}
@media (max-width: 480px) {
.sci .sci-hero {
 min-height: 0;
}
.sci .sci-hero h1 {
 font-size: clamp(44px,12.5vw,56px);
}
.sci .hero-media {
 aspect-ratio: 1 / 1;
}
.sci .sci-hero .proof-grid {
 grid-template-columns: 1fr 1fr;
}
.sci .sci-hero .proof {
 min-height: 112px; padding-right: 12px;
}
.sci .sci-hero .proof + .proof {
 padding-left: 12px;
}
.sci .sci-hero .proof:nth-child(3) {
 padding-left: 0; border-left: 0; border-top: 1px solid var(--line);
}
.sci .sci-hero .proof:nth-child(4) {
 border-top: 1px solid var(--line);
}
.sci .benchmark > div, .sci .benchmark > figure {
 padding: 22px;
}
.sci .photo-anchor {
 width: 26px; height: 26px; font-size: 8px;
}
.sci .final-cta {
 padding: 30px 22px;
}
}
/* Chronological index for the three signal windows. */
.sci .signal-index {
 display: grid; grid-template-columns: auto repeat(3,minmax(0,1fr)); align-items: stretch; margin: 72px 0 30px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff;
}
.sci .signal-index-label {
 display: flex; align-items: center; padding: 14px 22px 14px 0; color: var(--muted); font-size: 8px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
}
.sci .signal-index a {
 display: flex; min-height: 48px; align-items: center; justify-content: center; padding: 12px 18px; color: var(--body); border-left: 1px solid var(--line); font-size: 10px; font-weight: 600; letter-spacing: .02em; text-align: center; text-decoration: none;
}
.sci .signal-index a:hover, .sci .signal-index a:focus-visible {
 color: var(--ink); background: var(--wash);
}
.sci .signal-index a:focus-visible {
 position: relative; z-index: 1; outline: 2px solid var(--blue); outline-offset: -2px;
}
.sci .signal-index a[aria-current="location"] {
 color: var(--blue-dark); background: var(--blue-soft);
}
.sci .signal-index + .evidence-block {
 margin-top: 0;
}
.sci #signal-overnight, .sci #signal-sleep-onset, .sci #signal-final-wake {
 scroll-margin-top: 160px;
}
/* System overview: one visual language, no simulated measurement traces. */
.sci .system-map.system-flow-map {
 padding: 0; border: 0; background: transparent; overflow: visible;
}
.sci .system-flow-map .system-map-body {
 display: grid; grid-template-columns: minmax(0,.94fr) 62px minmax(0,1.12fr) 62px minmax(0,1fr); align-items: center;
}
.sci .system-flow-map .system-card {
 position: relative; min-width: 0; padding: 30px; border: 1px solid var(--line); background: var(--paper); overflow: hidden;
}
.sci .system-flow-map .system-card-head {
 margin-bottom: 24px;
}
.sci .system-flow-map .system-card-head span {
 color: var(--blue); font-size: 10.5px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
}
.sci .system-flow-map h3 {
 margin: 0 0 10px; color: var(--ink); font-size: clamp(25px,2.2vw,34px); font-weight: 350; letter-spacing: -.025em;
}
.sci .system-flow-map .system-card-copy {
 max-width: 360px; margin-bottom: 24px; color: var(--body); font-size: 13.5px; line-height: 1.6;
}
.sci .system-flow-map .system-arrow {
 position: relative; z-index: 3; display: grid; place-items: center; color: var(--blue);
}
.sci .system-flow-map .system-arrow::before {
 content: ""; width: 100%; height: 1px; background: rgba(77,87,136,.42);
}
.sci .system-flow-map .system-arrow::after {
 content: ""; position: absolute; right: 1px; width: 7px; height: 7px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; transform: rotate(45deg);
}
.sci .system-flow-map .system-arrow span {
 position: absolute; bottom: calc(50% + 12px); width: 100%; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .05em; line-height: 1.25; text-align: center; text-transform: uppercase;
}
.sci .system-icon {
 flex: 0 0 auto; width: 22px; height: 22px; color: var(--blue); fill: none; stroke: currentColor; stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round;
}
.sci .sensor-visual {
 margin-top: 28px;
}
.sci .sensor-source {
 display: flex; min-height: 104px; align-items: center; gap: 16px; padding: 10px 14px; border: 1px solid var(--line); background: var(--wash);
}
.sci .sensor-product {
 display: block; flex: 0 0 auto; width: 66px; height: 82px; object-fit: contain;
}
.sci .sensor-source span {
 color: var(--ink); font-size: 12.5px; font-weight: 550;
}
.sci .observation-grid {
 display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px;
}
.sci .observation-item {
 display: flex; min-height: 54px; align-items: center; gap: 9px; padding: 9px 10px; color: var(--body); border: 1px solid var(--line); background: #fff; font-size: 11px; line-height: 1.25;
}
.sci .observation-item .system-icon {
 width: 18px; height: 18px;
}
.sci .system-flow-map .sensor-card {
 border-color: #dcd9d2; background: radial-gradient(130% 95% at 50% 6%, #fbfaf8 0%, #f1efea 55%, #e8e5de 100%);
}
.sci .system-flow-map .sensor-card .system-card-head span {
 color: #6d6a62;
}
.sci .system-flow-map .sensor-card .sensor-source {
 border-color: #d8d4cb; background: rgba(255,255,255,.62);
}
.sci .system-flow-map .sensor-card .observation-item {
 border-color: #d8d4cb; background: rgba(255,255,255,.82);
}
.sci .system-flow-map .sensor-card .system-icon {
 color: #7d7869;
}
.sci .system-flow-map .engine-card {
 color: #3c4258; border-color: #bcc7e3; background: radial-gradient(130% 95% at 50% 6%, #f4f6fc 0%, #e5eaf7 52%, #d6def0 100%); box-shadow: 0 22px 48px rgba(48,58,104,.14); padding: 36px 32px 40px;
}
.sci .system-flow-map .engine-card .system-card-head span {
 color: var(--blue);
}
.sci .system-flow-map .engine-card h3 {
 color: var(--ink);
}
.sci .system-flow-map .engine-card .system-card-copy {
 color: #545b74;
}
.sci .engine-visual {
 display: flex; flex-direction: column; margin-top: 26px;
}
.sci .engine-input {
 display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.sci .logic-node {
 display: flex; min-height: 62px; align-items: center; gap: 10px; padding: 11px 12px; color: #3c4258; border: 1px solid rgba(78,93,155,.26); background: rgba(255,255,255,.66); font-size: 11px; line-height: 1.35;
}
.sci .logic-node .system-icon {
 width: 20px; height: 20px; color: var(--blue);
}
.sci .logic-node span {
 display: block;
}
.sci .logic-node small {
 display: block; margin-top: 3px; color: rgba(60,66,88,.55); font-size: 8.5px; letter-spacing: .06em; text-transform: uppercase;
}
.sci .engine-route {
 position: relative; height: 32px; color: rgba(60,66,88,.5); font-size: 0;
}
.sci .engine-route::before, .sci .engine-route::after {
 content: "\2193"; position: absolute; top: 50%; transform: translate(-50%,-50%); font-size: 15px;
}
.sci .engine-route::before {
 left: 25%;
}
.sci .engine-route::after {
 left: 75%;
}
.sci .estimate-panel {
 display: flex; flex-direction: column; justify-content: center; padding: 16px 18px; border: 1px solid rgba(78,93,155,.34); background: rgba(255,255,255,.72);
}
.sci .estimate-panel > small {
 display: block; margin-bottom: 9px; color: var(--blue); font-size: 8.5px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase;
}
.sci .estimate-panel strong {
 display: block; color: var(--ink); font-size: 17px; font-weight: 450; line-height: 1.3;
}
.sci .estimate-outputs {
 display: grid; grid-template-columns: 1fr; gap: 5px; margin-top: 14px;
}
.sci .estimate-outputs span {
 display: flex; flex-direction: column; gap: 4px; padding: 9px 12px; border: 1px solid rgba(78,93,155,.24); border-left: 2px solid rgba(78,93,155,.5); background: rgba(255,255,255,.5);
}
.sci .estimate-outputs b {
 color: var(--blue); font-size: 8.5px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase;
}
.sci .estimate-outputs small {
 color: var(--ink); font-size: 11px; line-height: 1.4;
}
.sci .estimate-note {
 margin: 11px 0 0; color: rgba(60,66,88,.55); font-size: 9.5px; line-height: 1.5;
}
.sci .policy-gate {
 position: relative; width: fit-content; margin: 30px auto 20px; padding: 8px 14px; color: var(--blue-dark); border: 1px solid rgba(77,87,136,.35); background: var(--blue-soft); font-size: 9.5px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase;
}
.sci .policy-gate::after {
 content: ""; position: absolute; top: 100%; left: 50%; width: 1px; height: 14px; background: rgba(77,87,136,.32);
}
.sci .action-grid {
 display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; padding-top: 8px;
}
.sci .action-token {
 display: flex; min-height: 76px; flex: 0 0 calc((100% - 16px) / 3); flex-direction: column; align-items: center; justify-content: center; gap: 7px; padding: 9px 6px; color: var(--body); border: 1px solid var(--line); background: #fff; font-size: 10px; line-height: 1.15; text-align: center;
}
.sci .action-token .token-icon {
 width: 22px; height: 22px; color: var(--blue); fill: none; stroke: currentColor; stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round;
}
.sci .action-token.restraint {
 color: var(--blue-dark); border-color: rgba(77,87,136,.3); background: var(--blue-soft);
}
.sci .action-token.restraint .token-icon {
 color: var(--blue-dark);
}
.sci .system-flow-map .respond-card {
 border-color: #ecdfc8; background: radial-gradient(130% 95% at 50% 6%, #fffdf9 0%, #fbf5ea 55%, #f6eedd 100%);
}
.sci .system-flow-map .respond-card .system-card-head span {
 color: #8a672f;
}
.sci .system-flow-map .respond-card .action-token .token-icon {
 color: #8a672f;
}
.sci .system-flow-map .respond-card .policy-gate {
 color: #6e5223; border-color: rgba(138,103,47,.4); background: rgba(231,201,154,.32);
}
.sci .system-flow-map .respond-card .policy-gate::after {
 background: rgba(138,103,47,.35);
}
.sci .system-flow-map .respond-card .action-token.restraint {
 color: #6e5223; border-color: rgba(138,103,47,.45); background: rgba(231,201,154,.3);
}
.sci .system-flow-map .respond-card .action-token.restraint .token-icon {
 color: #6e5223;
}
.sci .architecture-note {
 display: flex; justify-content: space-between; gap: 24px; margin-top: 16px; padding-top: 12px; color: var(--muted); border-top: 1px solid var(--line); font-size: 9px; letter-spacing: .08em; text-transform: uppercase;
}
.sci .architecture-note strong {
 color: var(--ink); font-weight: 650;
}
@media (max-width: 1020px) {
.sci .system-map.system-flow-map {
 padding: 0;
}
.sci .system-flow-map .system-map-body {
 grid-template-columns: 1fr;
}
.sci .system-flow-map .system-card {
 min-height: 0;
}
.sci .system-flow-map .system-arrow {
 height: 56px;
}
.sci .system-flow-map .system-arrow::before {
 width: 1px; height: 100%;
}
.sci .system-flow-map .system-arrow::after {
 right: auto; bottom: 1px; transform: rotate(135deg);
}
.sci .system-flow-map .system-arrow span {
 right: calc(50% + 14px); bottom: auto; width: auto;
}
}
@media (max-width: 560px) {
.sci .signal-index {
 position: static; grid-template-columns: repeat(3,minmax(0,1fr)); margin-top: 54px;
}
.sci .signal-index-label {
 grid-column: 1 / -1; padding: 11px 0; border-bottom: 1px solid var(--line);
}
.sci .signal-index a {
 min-height: 58px; padding: 10px 8px; font-size: 9px; line-height: 1.25;
}
.sci .signal-index a:first-of-type {
 border-left: 0;
}
.sci .system-flow-map .system-card {
 padding: 24px 20px;
}
.sci .system-flow-map .system-card-head span {
 font-size: 10px;
}
.sci .system-flow-map .system-card-copy {
 font-size: 13px;
}
.sci .system-flow-map .system-arrow span {
 font-size: 10px;
}
.sci .observation-grid {
 grid-template-columns: 1fr 1fr;
}
.sci .observation-item {
 min-height: 56px; font-size: 11px;
}
.sci .engine-input {
 grid-template-columns: 1fr;
}
.sci .engine-route {
 height: 26px;
}
.sci .engine-route::before {
 left: 50%;
}
.sci .engine-route::after {
 display: none;
}
.sci .logic-node {
 font-size: 11px;
}
.sci .logic-node small {
 font-size: 10.5px;
}
.sci .estimate-panel > small {
 font-size: 10.5px;
}
.sci .estimate-outputs b {
 font-size: 12px;
}
.sci .estimate-outputs small {
 font-size: 10.5px;
}
.sci .estimate-note {
 font-size: 11px;
}
.sci .policy-gate {
 font-size: 10.5px;
}
.sci .action-grid {
 gap: 6px;
}
.sci .action-token {
 min-height: 72px; flex-basis: calc((100% - 12px) / 3); font-size: 11px;
}
.sci .architecture-note {
 flex-direction: column; gap: 6px; font-size: 10.5px; line-height: 1.45; letter-spacing: .06em;
}
}
/* 移动端横滑轨道：同一 section 的同类卡组改横向 snap 滑动，压缩页高（五时刻主图按裁决 33 保持纵向） */
@media (max-width: 700px) {
.sci .snapable {
 display: flex; gap: 12px; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; margin-inline: -16px; padding: 4px 16px 16px; scrollbar-width: none;
}
.sci .snapable::-webkit-scrollbar {
 display: none;
}
.sci .system-flow-map .system-map-body {
 display: flex; gap: 8px; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; margin-inline: -16px; padding: 4px 16px 16px; scrollbar-width: none; align-items: stretch;
}
.sci .system-flow-map .system-map-body::-webkit-scrollbar {
 display: none;
}
.sci .system-flow-map .system-card {
 flex: 0 0 86%; scroll-snap-align: center;
}
.sci .system-flow-map .system-arrow {
 flex: 0 0 30px; height: auto;
}
.sci .system-flow-map .system-arrow::before {
 width: 100%; height: 1px;
}
.sci .system-flow-map .system-arrow::after {
 right: 1px; bottom: auto; transform: rotate(45deg);
}
.sci .system-flow-map .system-arrow span {
 display: none;
}
.sci .profile-stages {
 display: flex; gap: 14px; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; margin-inline: -16px; padding: 4px 16px 16px; scrollbar-width: none;
}
.sci .profile-stages::-webkit-scrollbar {
 display: none;
}
.sci .profile-stages::after {
 display: none;
}
.sci .profile-stage {
 display: flex; flex-direction: column; flex: 0 0 86%; padding: 0; scroll-snap-align: center;
}
.sci .profile-stage::after, .sci .profile-stage:last-child::after {
 display: none;
}
.sci .restraint-flow {
 display: flex; gap: 10px; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; margin-inline: -16px; padding: 4px 16px 16px; scrollbar-width: none;
}
.sci .restraint-flow::-webkit-scrollbar {
 display: none;
}
.sci .restraint-node {
 flex: 0 0 84%; scroll-snap-align: center;
}
.sci .flow-arrow {
 display: grid; flex: 0 0 26px; min-height: 0; place-items: center; border: 0;
}
.sci .flow-arrow span {
 position: static; transform: none;
}
.sci .photo-atlas {
 display: flex; gap: 10px; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; margin-inline: -16px; padding: 4px 16px 16px; scrollbar-width: none;
}
.sci .photo-atlas::-webkit-scrollbar {
 display: none;
}
.sci .photo-atlas .annotated-photo {
 flex: 0 0 88%; scroll-snap-align: center;
}
.sci .photo-atlas .annotated-photo img {
 width: 100%; height: auto;
}
/* 证据图表移动端专版：整宽入屏，图表不超出页面（作废原生宽横滑方案的移动端部分） */
.sci .chart-frame, .sci .chart-swipe {
 display: none !important;
}
.sci .chart-mobile {
 display: block; width: 100%; height: auto; border: 1px solid var(--line); background: #fff;
}
.sci .science-grid {
 display: flex; gap: 0; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; margin-inline: -16px; padding: 0 16px; scrollbar-width: none;
}
.sci .science-grid::-webkit-scrollbar {
 display: none;
}
.sci .science-card {
 flex: 0 0 84%; scroll-snap-align: start;
}
.sci .science-card + .science-card {
 padding-left: 20px; border-left: 1px solid var(--line);
}
.sci .science-card {
 padding-right: 20px;
}
}
/* Folded signal windows */
.sci .signal-fold {
 border: 1px solid var(--line); background: #fff;
}
.sci .signal-fold summary {
 display: block; padding: 24px 28px; cursor: pointer; list-style: none;
}
.sci .signal-fold summary::-webkit-details-marker {
 display: none;
}
.sci .signal-fold summary:hover {
 background: var(--wash);
}
.sci .fold-kicker {
 display: block; margin-bottom: 8px; color: var(--blue); font-size: 10px; font-weight: 650; letter-spacing: .16em; text-transform: uppercase;
}
.sci .fold-line {
 display: block; max-width: 720px; color: var(--body); font-size: 15px; line-height: 1.55;
}
.sci .fold-hint {
 display: inline-block; margin-top: 12px; color: var(--blue-dark); font-size: 11px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase;
}
.sci .fold-hint::after {
 content: ' \2193';
}
.sci .signal-fold[open] .fold-hint {
 display: none;
}
.sci .signal-fold[open] summary {
 border-bottom: 1px solid var(--line);
}
.sci .fold-body {
 padding: 10px 28px 28px;
}
.sci .fold-context {
 max-width: 720px; color: var(--muted); font-size: 13.5px; line-height: 1.6;
}
/* ---- site-integration overrides (hand-written) ---- */
.sci { overflow-x: clip; }
.sci .sci-hero { padding-top: 0; }
.sci .hero-shell { padding-top: 132px; }
.sci .sci-legal-wrap { padding: 56px 0 64px; color: var(--ink); background: var(--wash); }
.sci .sci-legal-wrap .legal { margin-top: 0; padding-top: 22px; color: var(--muted); border-top: 1px solid var(--line); }
.sci .sci-legal-wrap .legal a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.sci .sci-legal-wrap .kicker { color: var(--blue); }
@media (max-width: 800px) {
  .sci .hero-shell { padding-top: 104px; }
}