@font-face {
  font-family: "AktivGrotesk";
  src: url(AktivGrotesk-Regular.woff2) format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "AktivGrotesk";
  src: url(AktivGrotesk-Medium.woff2) format("woff2");
  font-weight: 500 650;
  font-display: swap;
}
@font-face {
  font-family: "AktivGrotesk";
  src: url(AktivGrotesk-Bold.woff2) format("woff2");
  font-weight: 700 900;
  font-display: swap;
}
:root {
  --ink:#071b34;
  --ink-2:#233c57;
  --ink-3:#60768d;
  --paper:#ffffff;
  --mbzuai-navy:#002554;
  --paper-2:#eaf1f8;
  --white:#fff;
  --green:#210eca;
  --blue:var(--green);
  --green-deep:#071b34;
  --mint:#aab5ff;
  --mint-soft:#e9ecff;
  --sand:#69b9d8;
  --coral:#b0322a;
  --amber:#8a6410;
  --line:rgba(7,27,52,.16);
  --line-light:rgba(255,255,255,.22);
  --shadow:0 22px 64px rgba(7,27,52,.15);
  --sans:"AktivGrotesk","Helvetica Neue",Arial,sans-serif;
  --fs-h1:70px;
  --fs-h2:46px;
  --fs-h2-min:38px;
  --fs-h3:28px;
  --fs-body:23px;
  --fs-sub:20px;
  --fs-cap:18px;
  --fs-label:16px;
  --mono:"SFMono-Regular",Consolas,monospace;
  --W:1600px;
  --H:900px;
  --pad-x:84px;
  --pad-t:50px;
  --footer-h:46px;
  --band-head:106px;
  --gap:22px;
  --fig-h:530px;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
  margin: 0;
}
body {
  overflow: hidden;
  background: #06172d;
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}
#deck {
  position: fixed;
  inset: 0;
  overflow: hidden;
}
.stage {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--W);
  height: var(--H);
  overflow: hidden;
  background: var(--paper);
  transform: translate(-50%, -50%) scale(var(--fit,1));
  transform-origin: center;
}
.slide {
  position: absolute;
  inset: 0;
  display: none;
  overflow: hidden;
  background: var(--paper);
}
.slide.is-active {
  display: block;
}
.canvas {
  position: relative;
  display: grid;
  grid-template-rows: var(--band-head) minmax(0, 1fr) auto;
  row-gap: var(--gap);
  width: 100%;
  height: 100%;
  padding: var(--pad-t) var(--pad-x) calc(var(--footer-h) + 20px);
}
.canvas::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 7px;
  height: 100%;
  background: var(--spine,var(--green));
}
.slide-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 208px;
  align-items: start;
  gap: 34px;
  min-width: 0;
  overflow: hidden;
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: .18em;
  line-height: 1;
  text-transform: uppercase;
}
.slide-head h2 {
  max-width: none;
  margin: 0;
  font-size: var(--fs-h2);
  font-weight: 600;
  letter-spacing: -.03em;
  line-height: 1.06;
  white-space: nowrap;
}
.brand-logo {
  justify-self: end;
  width: 208px;
  height: auto;
}
.brand-logo-inverse {
  filter: brightness(0) invert(1);
}
.body {
  min-width: 0;
  min-height: 0;
  align-content: space-evenly;
}
h1,
h2,
h3,
p,
ul,
ol,
figure,
table {
  margin: 0;
}
h3 {
  font-size: var(--fs-h3);
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: -.012em;
}
p,
li {
  font-size: var(--fs-body);
  line-height: 1.4;
}
.lead {
  color: var(--ink-2);
  font-size: 26px;
  line-height: 1.32;
}
.muted {
  color: var(--ink-3);
}
.mono {
  font-family: var(--mono);
}
strong,
b {
  font-weight: 700;
}
a {
  color: #1550a8;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.takeaway {
  align-self: end;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  text-align: center;
}
.takeaway p {
  margin: 0;
  color: var(--ink);
  font-size: 25px;
  font-weight: 650;
  line-height: 1.25;
}
.footer {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: max-content max-content minmax(0, 1fr) max-content;
  align-items: center;
  gap: 24px;
  height: var(--footer-h);
  padding: 0 var(--pad-x);
  background: var(--mbzuai-navy);
  color: #fff;
  font-size: 12px;
  letter-spacing: .02em;
}
.footer b {
  margin-right: 7px;
  color: rgba(255, 255, 255, .6);
  font-size: .84em;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.footer > span:not(.citation) {
  white-space: nowrap;
}
.footer .page {
  grid-column: 4;
  font-family: var(--mono);
  color: #fff;
}
.footer .citation {
  grid-column: 3;
  display: flex;
  gap: 20px;
  min-width: 0;
  font-size: 12px;
  line-height: 1.15;
}
.footer .citation a {
  overflow: hidden;
  color: #cdd6ff;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.footer .citation a:hover {
  color: #fff;
  text-decoration: underline;
}
.on-deep {
  background: var(--mbzuai-navy) url(mbzuai-nodes-navy.jpg) right center/cover no-repeat;
  color: #fff;
}
.on-deep .canvas::before {
  background: var(--coral);
}
.on-deep h1,
.on-deep h2,
.on-deep h3,
.on-deep strong {
  color: #fff;
}
.on-deep p,
.on-deep li {
  color: #c9d5e5;
}
.on-deep .eyebrow {
  color: var(--mint);
}
.on-deep .brand-logo {
  filter: brightness(0) invert(1);
}
.fig {
  display: grid;
  justify-items: center;
  gap: 12px;
  min-width: 0;
}
.fig-box {
  position: relative;
  display: inline-block;
  max-width: 100%;
  line-height: 0;
}
.fig-box > img,
.fig-box > video {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: var(--fig-h);
  object-fit: contain;
}
.fig-box:has(> svg):not(:has(> img)):not(:has(> video)) {
  display: block;
  width: 100%;
}
.fig-box:has(> svg):has(> img),
.fig-box:has(> svg):has(> video) {
  display: inline-block;
  width: auto;
}
.fig-box > svg {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: var(--fig-h);
}
.figcap {
  color: var(--ink-3);
  font-size: var(--fs-cap);
  font-style: italic;
  line-height: 1.35;
  text-align: center;
}
.figcap b {
  color: var(--ink-2);
  font-style: normal;
}
.has-takeaway {
  --fig-h:448px;
}
.anno {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}
.anno text {
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: .04em;
  paint-order: stroke;
  stroke: rgba(255, 255, 255, .95);
  stroke-width: 10px;
  stroke-linejoin: round;
}
.arrow {
  opacity: 0;
  transition: opacity .18s ease;
}
.arrow path {
  fill: none;
  stroke: var(--coral);
  stroke-width: 11;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}
.arrow text {
  fill: var(--coral);
}
.arrow.is-revealed {
  opacity: 1;
}
.arrow.is-revealed path {
  animation: draw .48s cubic-bezier(.4, 0, .2, 1) forwards;
}
@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}
.ring {
  opacity: 0;
  transition: opacity .18s ease;
}
.ring path {
  fill: none;
  stroke: var(--green);
  stroke-width: 9;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}
.ring.is-revealed path {
  animation: draw .62s cubic-bezier(.4, 0, .2, 1) forwards;
}
.ring ellipse,
.ring rect {
  fill: none;
  stroke: var(--green);
  stroke-width: 9;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}
.ring text {
  fill: var(--green);
}
.ring.is-revealed {
  opacity: 1;
}
.ring.is-revealed ellipse,
.ring.is-revealed rect {
  animation: draw .55s cubic-bezier(.4, 0, .2, 1) forwards;
}
.spot {
  opacity: 0;
  transition: opacity .3s ease;
}
.spot.is-revealed {
  opacity: 1;
}
.once {
  opacity: 0 !important;
}
.once.is-now {
  opacity: 1 !important;
}
.spot .veil {
  fill: var(--paper);
}
.spot .edge {
  fill: none;
  stroke: var(--green);
  stroke-width: 5;
}
.spot text {
  fill: var(--green);
}
.hl {
  padding: 0 .12em;
  background-image: linear-gradient(rgba(255, 207, 72, .66), rgba(255, 207, 72, .66));
  background-repeat: no-repeat;
  background-size: 0 88%;
  background-position: 0 96%;
  transition: background-size .42s cubic-bezier(.4, 0, .2, 1);
}
.hl.is-revealed {
  background-size: 100% 88%;
}
[data-focus-step] {
  opacity: 0;
  visibility: hidden;
  transition: opacity .22s ease;
}
[data-focus-step].is-lit {
  opacity: 1;
  visibility: visible;
  transform: none;
}
[data-reveal-step].veiled {
  visibility: hidden;
}
[data-reveal-step].veiled.is-revealed {
  visibility: visible;
}
.title-slide .canvas {
  grid-template-rows: 1fr;
  padding: var(--pad-t) var(--pad-x) calc(var(--footer-h) + 20px);
}
.title-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 64px;
  align-items: center;
  height: 100%;
}
.title-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0;
}
.title-copy h1 {
  margin: 0 0 24px;
  font-size: var(--fs-h1);
  font-weight: 620;
  letter-spacing: -.04em;
  line-height: 1.02;
}
.title-copy h1 em {
  color: var(--green);
  font-style: normal;
}
.title-copy .dek {
  max-width: 34ch;
  color: var(--ink-2);
  font-size: 27px;
  line-height: 1.36;
}
.title-logo {
  position: absolute;
  top: var(--pad-t);
  right: var(--pad-x);
  left: auto;
  width: 208px;
}
.title-meta {
  display: grid;
  grid-template-columns: repeat(3, max-content);
  gap: 52px;
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-cap);
  line-height: 1.4;
}
.title-meta b {
  display: block;
  color: var(--green-deep);
}
.title-meta span {
  color: var(--ink-2);
}
.signal {
  position: relative;
  display: grid;
  align-content: center;
  padding: 24px 0 0;
  border-top: 6px solid var(--green);
  color: var(--ink);
}
.signal::after {
  content: none;
}
.signal .k {
  color: var(--green);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.signal .num {
  margin-top: 8px;
  font-size: 116px;
  font-weight: 620;
  letter-spacing: -.07em;
  line-height: .88;
}
.signal .ghost {
  display: none;
}
.divider,
.divider.on-deep {
  background: var(--paper);
  color: var(--ink);
}
.divider .canvas,
.divider.on-deep .canvas {
  grid-template-rows: auto 1fr;
  align-content: center;
}
.divider .canvas::before,
.divider.on-deep .canvas::before {
  background: var(--blue);
}
.divider .brand-logo,
.divider.on-deep .brand-logo {
  filter: none;
}
.divider .divider-copy {
  align-self: center;
  max-width: 34ch;
}
.divider .secnum,
.divider.on-deep .secnum {
  color: var(--blue);
  font-family: var(--mono);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: .14em;
}
.divider .rule {
  width: 76px;
  height: 6px;
  margin: 20px 0 24px;
  background: var(--coral);
}
.divider h1,
.divider.on-deep h1 {
  margin: 0 0 20px;
  color: var(--ink);
  font-size: var(--fs-h1);
  font-weight: 620;
  letter-spacing: -.04em;
  line-height: 1.02;
}
.divider p,
.divider.on-deep p {
  max-width: 34ch;
  color: var(--ink-2);
  font-size: 26px;
  line-height: 1.3;
}
.divider .ghost {
  display: none;
}
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 52px;
  align-items: center;
  height: 100%;
}
.split.fig-left > *:first-child {
  order: 2;
}
.split.fig-left > *:last-child {
  order: 1;
}
.split.wide-fig {
  grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
}
.split.wide-copy {
  grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
}
.body:not(.split):has(> .split:not(:only-child)) {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.body:not(.split):has(> .split:not(:only-child)) > .split {
  flex: 1 1 auto;
  height: auto;
  min-height: 0;
}
.visual {
  height: 100%;
  min-height: 0;
  overflow: hidden;
  background: var(--green-deep);
  box-shadow: var(--shadow);
}
.visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.visual.contain img {
  object-fit: contain;
  background: #edf3f9;
}
.big-claim {
  max-width: 13ch;
  font-size: 60px;
  font-weight: 620;
  letter-spacing: -.045em;
  line-height: 1.02;
}
.subclaim {
  max-width: 34ch;
  margin-top: 20px;
  color: var(--ink-2);
  font-size: 25px;
  line-height: 1.34;
}
.plainly {
  margin-top: auto;
  padding: 11px 18px;
  background: #eef2ff;
  border-left: 5px solid var(--green);
  color: var(--ink-2);
  font-size: var(--fs-sub);
  line-height: 1.32;
}
.plainly b {
  color: var(--green);
  font-weight: 700;
}
.points {
  margin: 0;
  padding: 0;
  list-style: none;
}
.points li {
  position: relative;
  margin-bottom: 14px;
  padding-left: 26px;
  color: var(--ink-2);
  line-height: 1.32;
}
.points li::before {
  content: "";
  position: absolute;
  top: .6em;
  left: 2px;
  width: 11px;
  height: 2px;
  background: var(--green);
}
.points li:last-child {
  margin-bottom: 0;
}
.points.num {
  counter-reset: p;
}
.points.num li {
  padding-left: 36px;
}
.points.num li::before {
  content: counter(p, decimal-leading-zero);
  counter-increment: p;
  top: 0;
  width: auto;
  height: auto;
  background: none;
  color: var(--green);
  font-family: var(--mono);
  font-size: var(--fs-label);
  font-weight: 700;
}
.note {
  padding: 16px 22px;
  background: var(--white);
  border-left: 5px solid var(--green);
  color: var(--ink-2);
  font-size: var(--fs-body);
  line-height: 1.34;
  box-shadow: 0 1px 0 var(--line);
}
.note b {
  color: var(--ink);
}
.note.attack {
  border-left-color: var(--coral);
}
.note.attack b {
  color: var(--coral);
}
.note.open {
  border-left-color: var(--amber);
  background: #fdf9f0;
}
.note.open b {
  color: var(--amber);
}
.mark {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-weight: 700;
  white-space: nowrap;
}
.mark::before {
  font-size: .8em;
}
.mark.attack {
  color: var(--coral);
}
.mark.attack::before {
  content: "▲";
}
.mark.defense {
  color: #0e6a61;
}
.mark.defense::before {
  content: "■";
}
.mark.open {
  color: var(--amber);
}
.mark.open::before {
  content: "●";
}
.flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 18px;
  align-items: center;
}
.e-node {
  padding: 22px 0 0;
  border-top: 4px solid var(--green);
}
.e-node:nth-of-type(2) {
  border-color: var(--coral);
}
.e-node .id {
  color: var(--green);
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: .08em;
}
.e-node strong {
  display: block;
  margin: 10px 0 8px;
  font-size: var(--fs-h3);
  line-height: 1.16;
}
.e-node small {
  color: var(--ink-3);
  font-size: var(--fs-sub);
}
.flow .arrowhead {
  color: var(--green);
  font-size: 30px;
}
.insight {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.insight b {
  display: block;
  margin-bottom: 8px;
  color: var(--coral);
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: .09em;
}
.insight .cmp {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: var(--fs-h3);
  font-weight: 700;
}
.insight .cmp span {
  color: var(--coral);
}
.insight small {
  display: block;
  margin-top: 8px;
  color: var(--ink-3);
  font-size: var(--fs-label);
}
.ledger {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}
.ledger th {
  padding: 13px 18px;
  background: var(--green-deep);
  color: #fff;
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: .06em;
  text-align: left;
}
.ledger td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
  font-size: var(--fs-body);
  line-height: 1.24;
  vertical-align: middle;
}
.ledger tbody tr:nth-child(even) td {
  background: rgba(233, 240, 248, .55);
}
.ledger td:first-child {
  color: var(--ink);
  font-weight: 650;
}
.ledger td.n {
  font-family: var(--mono);
  text-align: right;
}
.ledger tr.hi td {
  background: rgba(176, 50, 42, .07);
}
.ledger + .fineprint {
  margin-top: 12px;
}
.fineprint {
  color: var(--ink-3);
  font-size: var(--fs-cap);
  font-style: italic;
  line-height: 1.35;
}
.map {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}
.map th {
  padding: 0 12px 9px;
  color: #63778a;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .12em;
  text-align: left;
  text-transform: uppercase;
}
.map td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
  font-size: var(--fs-cap);
  line-height: 1.18;
}
.body:has(> .split > .map) .map th {
  padding: 0 9px 6px;
}
.body:has(> .split > .map) .map td {
  padding: 5px 9px;
  font-size: 17px;
  line-height: 1.1;
}
.body:has(> .split > .map) .map th:nth-child(1) {
  width: 9%;
}
.body:has(> .split > .map) .map th:nth-child(2) {
  width: 16%;
}
.body:has(> .split > .map) .map th:nth-child(3) {
  width: 21%;
}
.body:has(> .split > .map) .map th:nth-child(4) {
  width: 54%;
}
.map td:first-child {
  color: var(--green);
  font-family: var(--mono);
  font-weight: 700;
}
.map td:nth-child(2) {
  color: var(--ink);
  font-weight: 650;
}
.map tr.chapter-start td {
  border-top: 2px solid var(--green);
}
.map tr.presentation td {
  background: rgba(176, 50, 42, .055);
}
.map tr.pause td {
  color: #8493a5;
}
.math-slide .body {
  display: grid;
  grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr);
  gap: 46px;
  align-items: start;
  height: 100%;
}
.math-slide.single .body {
  grid-template-columns: minmax(0, 1fr);
}
.math-slide .body > .seq:only-child {
  grid-column: 1/-1;
}
.math-slide .body > .split:only-child {
  grid-column: 1/-1;
}
.math-slide .body > .split > div:only-child {
  grid-column: 1/-1;
  justify-self: center;
  width: min(100%, 1040px);
}
.math-slide .body > .split > div:only-child > svg {
  display: block;
  width: 100%;
  height: 480px;
  max-height: var(--fig-h);
}
.thm {
  padding: 20px 26px;
  background: var(--white);
  border-left: 6px solid var(--green);
  box-shadow: var(--shadow);
}
.thm .kind {
  display: block;
  margin-bottom: 10px;
  color: var(--green);
  font-family: var(--mono);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.thm p {
  color: var(--ink-2);
  font-size: var(--fs-sub);
  line-height: 1.36;
}
.thm .katex-display {
  margin: 14px 0 4px;
}
.setup {
  margin-top: 20px;
  color: var(--ink-2);
  font-size: var(--fs-body);
  line-height: 1.36;
}
.setup .katex {
  font-size: 1.02em;
}
.steps {
  display: grid;
  gap: 16px;
}
.step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}
.step > .n {
  margin-top: 3px;
  color: var(--green);
  font-family: var(--mono);
  font-size: var(--fs-label);
  font-weight: 700;
}
.step .why {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font-size: var(--fs-sub);
  font-weight: 700;
}
.step .eq {
  color: var(--ink);
  font-size: var(--fs-body);
}
.step .eq .katex-display {
  margin: 0;
}
.step .rem {
  margin-top: 7px;
  color: var(--ink-3);
  font-size: var(--fs-cap);
  line-height: 1.32;
}
.step.is-now > .n {
  color: var(--coral);
}
.qed {
  margin-top: 6px;
  color: var(--green);
  font-family: var(--mono);
  font-size: var(--fs-label);
  font-weight: 700;
  text-align: right;
}
.gloss {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px 26px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-cap);
}
.gloss span {
  display: block;
  color: var(--ink-2);
}
.gloss span .katex {
  margin-right: 9px;
}
.gloss .katex {
  color: var(--green);
  font-size: 1.06em;
}
.board {
  margin-top: 16px;
  padding: 12px 18px;
  background: #fdf9f0;
  border-left: 5px solid var(--amber);
  color: var(--amber);
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: .03em;
}
.question {
  background: var(--paper-2);
}
.question .format {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--green);
  font-family: var(--mono);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 56px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.choices li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  color: var(--ink-2);
  font-size: var(--fs-body);
  line-height: 1.3;
}
.choices .ltr {
  color: var(--green);
  font-family: var(--mono);
  font-weight: 700;
}
.choices li.is-lit {
  color: var(--ink);
  font-weight: 700;
}
.answer {
  min-height: 96px;
  margin-top: 22px;
  padding: 18px 22px;
  background: var(--green-deep);
  border-left: 5px solid var(--coral);
  color: #fff;
}
.answer b {
  display: block;
  margin-bottom: 5px;
  color: var(--mint);
  font-size: var(--fs-label);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.answer p {
  color: #fff;
  font-size: var(--fs-body);
}
.question .fig-box > img,
.question .fig-box > video,
.question .fig-box > svg {
  max-height: 340px;
}
.slide.route-terminal.on-deep {
  background: var(--green-deep);
}
.route-terminal.on-deep .format,
.route-terminal.on-deep .choices .ltr {
  color: var(--mint);
}
.route-terminal.on-deep .choices li {
  color: #c9d5e5;
}
.route-terminal.on-deep .choices li.is-lit {
  color: #fff;
}
.route-terminal.on-deep .ledger th {
  background: rgba(255, 255, 255, .12);
  color: #fff;
}
.route-terminal.on-deep .ledger td {
  border-color: var(--line-light);
  background: transparent;
  color: #c9d5e5;
}
.route-terminal.on-deep .ledger tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, .045);
}
.route-terminal.on-deep .ledger td:first-child {
  color: #fff;
}
.route-terminal.on-deep .figcap,
.route-terminal.on-deep .fineprint {
  color: #c9d5e5;
}
.codewrap {
  max-width: 100%;
}
pre.code {
  margin: 0;
  padding: 22px 0;
  overflow: hidden;
  background: var(--green-deep);
  color: #eef3fb;
  border-left: 6px solid var(--coral);
  font-family: var(--mono);
  font-size: var(--fs-cap);
  line-height: 1.6;
  tab-size: 2;
}
pre.code .kw {
  color: var(--mint);
}
pre.code .st {
  color: #ffc9a8;
}
pre.code .ln {
  display: inline-block;
  width: 30px;
  color: #5b7391;
  user-select: none;
}
pre.code .cl {
  display: block;
  padding: 0 26px;
}
pre.code .grp {
  position: relative;
  display: block;
  padding: 2px 26px;
  background-image: linear-gradient(rgba(255, 207, 72, .15), rgba(255, 207, 72, .15));
  background-repeat: no-repeat;
  background-size: 0 100%;
  box-shadow: inset 4px 0 0 rgba(255, 207, 72, 0);
  transition: background-size .4s cubic-bezier(.4, 0, .2, 1), box-shadow .4s;
}
pre.code .grp.is-revealed {
  background-size: 100% 100%;
  box-shadow: inset 4px 0 0 #ffcf48;
}
pre.code .grp::after {
  content: attr(data-tag);
  position: absolute;
  top: 50%;
  right: 22px;
  transform: translateY(-50%);
  opacity: 0;
  color: #ffcf48;
  font-family: var(--sans);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: .09em;
  transition: opacity .3s .12s;
}
pre.code .grp.is-revealed::after {
  opacity: 1;
}
.seq {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
}
.seq > div {
  padding-right: 32px;
}
.seq > div + div {
  padding-left: 32px;
  border-left: 1px solid var(--line);
}
.seq .n {
  display: block;
  margin-bottom: 16px;
  color: var(--green);
  font-family: var(--mono);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: .09em;
}
.seq p {
  margin-top: 9px;
  color: var(--ink-2);
  font-size: var(--fs-sub);
  line-height: 1.3;
}
.closing .canvas {
  grid-template-rows: auto 1fr;
  align-content: center;
}
.closing .cwrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 520px;
  gap: 75px;
  align-items: center;
  align-self: center;
}
.closing h1 {
  max-width: 12ch;
  margin: 0 0 20px;
  font-size: var(--fs-h1);
  font-weight: 620;
  letter-spacing: -.04em;
  line-height: 1.02;
}
.closing .contact {
  display: grid;
  border-top: 1px solid var(--line-light);
}
.closing .contact div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-light);
}
.closing .contact b {
  display: block;
  margin-bottom: 4px;
  color: var(--mint);
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.closing .contact span {
  font-size: var(--fs-body);
}
.controls {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  display: flex;
  gap: 6px;
  padding: 6px;
  background: rgba(7, 27, 52, .94);
  opacity: 0;
  transition: opacity .16s;
}
.controls:hover,
.controls:focus-within {
  opacity: 1;
}
.controls button {
  min-width: 42px;
  height: 36px;
  padding: 0 12px;
  border: 0;
  background: transparent;
  color: #fff;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.controls button:hover:not(:disabled) {
  background: rgba(255, 255, 255, .14);
}
.controls button:disabled {
  color: rgba(255, 255, 255, .3);
  cursor: default;
}
.controls .count {
  display: none;
}
button:focus-visible {
  outline: 3px solid var(--sand);
  outline-offset: 2px;
}
.notes {
  position: fixed;
  right: 20px;
  bottom: 68px;
  z-index: 40;
  display: none;
  width: 540px;
  max-height: 65vh;
  overflow: auto;
  padding: 20px 22px;
  background: rgba(7, 27, 52, .98);
  color: #e7edf6;
  font-size: 15px;
  line-height: 1.48;
  box-shadow: var(--shadow);
}
.notes.is-open {
  display: block;
}
.notes b {
  display: block;
  margin-bottom: 8px;
  color: var(--mint);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.overview {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  overflow: auto;
  padding: 32px 40px;
  background: rgba(7, 27, 52, .98);
  color: #fff;
}
.overview.is-open {
  display: block;
}
.overview-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
}
.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
  gap: 12px;
}
.overview .thumb {
  display: grid;
  gap: 6px;
  min-height: 80px;
  padding: 13px 15px;
  background: rgba(255, 255, 255, .07);
  border: 0;
  color: #fff;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.overview .thumb:hover {
  background: rgba(255, 255, 255, .15);
}
.overview .thumb small {
  color: var(--mint);
  font-family: var(--mono);
  font-size: 11px;
}
.overview .thumb strong {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.25;
}
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}
@page {
  size: 16.666667in 9.375in;
  margin: 0;
}
@media print {
  html,
  body {
    height: auto;
    overflow: visible;
    background: #fff;
  }
  body {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  #deck {
    position: static;
  }
  .stage {
    position: static;
    top: auto;
    left: auto;
    width: auto;
    height: auto;
    overflow: visible;
    transform: none;
    line-height: 0;
    font-size: 0;
  }
  .canvas {
    line-height: normal;
    font-size: var(--fs-body);
  }
  .slide {
    position: relative;
    inset: auto;
    display: block !important;
    width: var(--W);
    height: var(--H);
    break-after: page;
    break-inside: avoid;
  }
  .slide:last-of-type {
    break-after: auto;
  }
  [data-focus-step],
  [data-reveal-step],
  .arrow,
  .ring {
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
  }
  .spot {
    display: none !important;
  }
  .arrow path,
  .ring path,
  .ring ellipse,
  .ring rect {
    stroke-dashoffset: 0 !important;
    animation: none !important;
  }
  .hl {
    background-size: 100% 88% !important;
  }
  .codewrap .band {
    transform: none !important;
  }
  .controls,
  .notes,
  .overview {
    display: none !important;
  }
}
[data-explain] {
  position: relative;
  border-bottom: 1.6px dotted var(--green);
  cursor: help;
}
[data-explain]::after {
  content: attr(data-explain);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 12px);
  z-index: 30;
  width: max-content;
  max-width: 360px;
  padding: 12px 15px;
  transform: translateX(-50%) translateY(5px);
  background: var(--ink);
  color: #fff;
  font-size: var(--fs-label);
  font-weight: 400;
  font-style: normal;
  line-height: 1.38;
  letter-spacing: 0;
  text-align: left;
  white-space: normal;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transition: opacity .15s ease, transform .15s ease;
  pointer-events: none;
}
[data-explain]::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: calc(100% + 5px);
  z-index: 31;
  width: 0;
  height: 0;
  transform: translateX(-50%) translateY(5px);
  border: 7px solid transparent;
  border-top-color: var(--ink);
  opacity: 0;
  visibility: hidden;
  transition: opacity .15s ease, transform .15s ease;
  pointer-events: none;
}
[data-explain]:hover::after,
[data-explain]:focus-visible::after,
[data-explain]:hover::before,
[data-explain]:focus-visible::before {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
@media print {
  [data-explain] {
    border-bottom: 0;
  }
  [data-explain]::after,
  [data-explain]::before {
    display: none;
  }
}
.anno .lbl {
  font-size: 46px;
  font-weight: 700;
}
.step-cue {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 26px;
}
.step-cue > div {
  padding: 0 26px;
  border-left: 1px solid var(--line);
}
.step-cue > div:first-child {
  padding-left: 0;
  border-left: 0;
}
.step-cue b {
  display: block;
  margin-bottom: 6px;
  color: var(--green);
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: .08em;
}
.step-cue p {
  color: var(--ink-2);
  font-size: var(--fs-sub);
  line-height: 1.28;
}
.slide::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(
      58% 48% at 18% 22%,
      rgba(33, 14, 202, .035),
      transparent 70%),
    radial-gradient(
      52% 46% at 82% 78%,
      rgba(105, 185, 216, .045),
      transparent 72%),
    radial-gradient(
      44% 38% at 64% 10%,
      rgba(33, 14, 202, .022),
      transparent 70%);
  background-size: 132% 132%;
  background-repeat: no-repeat;
  animation: drift 96s ease-in-out infinite alternate;
}
@keyframes drift {
  from {
    background-position: 0% 0%;
  }
  to {
    background-position: 100% 100%;
  }
}
.canvas {
  z-index: 1;
}
@media print {
  .slide::before {
    display: none;
  }
}
.fgsm {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 30px;
}
.fgsm .fp {
  margin: 0;
  text-align: center;
}
.fgsm .fp img {
  display: block;
  width: 252px;
  height: 252px;
  object-fit: cover;
  border: 1px solid var(--line);
}
.fgsm figcaption {
  display: grid;
  gap: 3px;
  margin-top: 11px;
}
.fgsm .sym {
  color: var(--ink);
  font-size: var(--fs-cap);
}
.fgsm .cls {
  color: var(--ink-2);
  font-size: var(--fs-sub);
  font-weight: 650;
}
.fgsm .conf {
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: var(--fs-label);
}
.fgsm .op {
  align-self: center;
  margin-top: -46px;
  color: var(--ink-2);
  font-size: 26px;
  white-space: nowrap;
}
.fgsm-read {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 26px;
}
.fgsm-read > div {
  padding: 0 24px;
  border-left: 1px solid var(--line);
}
.fgsm-read > div:first-child {
  padding-left: 0;
  border-left: 0;
}
.fgsm-read b {
  display: block;
  margin-bottom: 5px;
  color: var(--green);
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: .08em;
}
.fgsm-read p {
  color: var(--ink-2);
  font-size: var(--fs-sub);
  line-height: 1.3;
}
.fgsm + .fgsm-read + .fineprint {
  margin-top: 14px;
}
[data-reveal-step]:not(.arrow):not(.ring):not(.hl):not(.spot) {
  opacity: 0;
  transform: translateY(5px);
  transition: opacity .24s ease, transform .24s ease;
}
[data-reveal-step]:not(.arrow):not(.ring):not(.hl):not(.spot).is-revealed {
  opacity: 1;
  transform: none;
}
@media print {
  [data-reveal-step] {
    opacity: 1 !important;
    transform: none !important;
  }
}
.title-art {
  grid-column: 1 / -1;
  margin: 0;
  justify-self: center;
  min-height: 0;
  max-width: 900px;
}
.title-art img {
  display: block;
  width: 100%;
  max-height: 300px;
  height: auto;
  object-fit: contain;
}
.title-slide .title-grid {
  min-height: 0;
  align-content: center;
}
.title-slide:has(.title-art) .title-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, .94fr);
  gap: 56px;
  align-content: stretch;
  align-items: stretch;
}
.title-slide:has(.title-art) .title-copy {
  justify-content: space-between;
  padding: 6px 0;
}
.title-slide:has(.title-art) .title-art {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
  justify-self: stretch;
  max-width: none;
}
.title-slide:has(.title-art) .title-art img {
  width: 100%;
  max-height: 520px;
}
.title-slide:has(.title-art) .title-art .figcap {
  max-width: 44ch;
  margin: 0 auto;
  text-align: center;
}
.cast-key {
  display: grid;
  gap: 16px;
  margin: 28px 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.cast-key > div {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 20px;
  align-items: baseline;
}
.cast-key .mark {
  font-size: var(--fs-sub);
  letter-spacing: .02em;
}
.cast-key p {
  color: var(--ink-2);
  font-size: var(--fs-sub);
  line-height: 1.3;
}
.cast-mark {
  position: absolute;
  right: calc(var(--pad-x) - 34px);
  bottom: calc(var(--footer-h) + 18px);
  width: 150px;
  height: auto;
  opacity: .92;
  pointer-events: none;
  z-index: 1;
}
@media print {
  .cast-mark {
    opacity: .92;
  }
}
.body.admin {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 22px;
  align-content: stretch;
}
.admin-cols {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1.02fr) minmax(0, .96fr);
  gap: 44px;
  align-content: start;
}
.admin-cols > div + div {
  padding-left: 44px;
  border-left: 1px solid var(--line);
  margin-left: -44px;
}
.admin-cols h3 {
  margin-bottom: 12px;
  color: var(--green);
}
.admin-cols .points li {
  margin-bottom: 9px;
  font-size: var(--fs-sub);
  line-height: 1.28;
}
.admin-cols .points li b {
  color: var(--ink);
}
.admin-cols .note {
  padding: 12px 18px;
  font-size: var(--fs-sub);
}
.admin-cols .note p {
  font-size: var(--fs-sub);
  line-height: 1.3;
}
.admin-cols .fineprint {
  margin-top: 12px;
}
.ledger.tight td {
  padding: 7px 14px;
  font-size: var(--fs-sub);
  line-height: 1.18;
  white-space: nowrap;
}
.ledger.tight td:first-child {
  width: 27%;
}
.ledger.tight td:nth-child(2) {
  width: 50%;
}
.ledger.tight td.rm {
  width: 23%;
  color: var(--green);
  font-family: var(--mono);
  font-weight: 700;
  text-align: right;
}
.body:has(> .flow):has(> .seq) {
  display: flex;
  flex-direction: column;
  gap: 34px;
}
.body:has(> .flow):has(> .seq) > .flow {
  flex: 1 1 0;
  min-height: 0;
  align-items: center;
}
.body:has(> .flow):has(> .seq) > .seq {
  flex: 1 1 0;
  min-height: 0;
  margin-top: 0 !important;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  align-content: center;
}
.body > .seq:only-child {
  height: 100%;
  align-content: stretch;
}
.body > .seq:only-child > div {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.question .body > div:only-child {
  display: grid;
  height: 100%;
  align-content: space-between;
}
.question .body > .split {
  align-items: stretch;
}
.question .body > .split > div {
  display: grid;
  align-content: space-between;
  gap: 20px;
}
.cycle {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
}
.cycle > div {
  padding: 0 24px;
  border-left: 1px solid var(--line);
}
.cycle > div:first-child {
  padding-left: 0;
  border-left: 0;
}
.cycle .id {
  color: var(--green);
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: .08em;
}
.cycle strong {
  display: block;
  margin: 7px 0 6px;
  font-size: var(--fs-body);
  line-height: 1.15;
}
.cycle small {
  color: var(--ink-3);
  font-size: var(--fs-cap);
  line-height: 1.3;
}
.cycle + .fineprint {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.stack-nav {
  position: absolute;
  right: 24px;
  bottom: calc(var(--footer-h) + 6px);
  display: flex;
  align-items: flex-end;
  gap: 14px;
  z-index: 6;
  pointer-events: none;
}
.sn-pills {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  margin-bottom: 8px;
}
.sn-pill {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 13px;
  box-shadow: 0 6px 16px rgba(7, 27, 52, .14), 0 1px 2px rgba(7, 27, 52, .10);
  animation: sn-float 3.2s ease-in-out infinite;
}
.sn-pill.up {
  color: #8a6410;
  border-color: #e6cf8f;
}
.sn-pill.down {
  color: var(--green);
  border-color: #c9d0f5;
}
.sn-pill.back {
  color: var(--ink-2);
}
.sn-pill + .sn-pill {
  animation-delay: .6s;
}
@keyframes sn-float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .sn-pill {
    animation: none;
  }
}
.sn-map {
  display: block;
  overflow: visible;
}
.sn-map .sn-line {
  fill: none;
  stroke: var(--ink-3);
  stroke-width: 2;
}
.sn-map .sn-branch {
  fill: none;
  stroke: var(--ink-3);
  stroke-width: 1.6;
  stroke-dasharray: 4 4;
}
.sn-map circle {
  fill: #fff;
  stroke: var(--ink-3);
  stroke-width: 2;
}
.sn-map .sn-parent {
  fill: var(--ink);
  stroke: var(--ink);
}
.sn-map .sn-ex {
  stroke: #8a6410;
}
.sn-map .sn-mo {
  stroke: var(--green);
}
.sn-map .sn-here {
  fill: var(--coral);
  stroke: var(--coral);
}
.sn-map.sn-exit .sn-ex,
.sn-map.sn-exit .sn-mo {
  stroke: var(--ink-3);
}
.sn-map.sn-exit .sn-parent {
  fill: var(--ink-3);
  stroke: var(--ink-3);
}
.sn-pill.quiet {
  animation: none;
  color: var(--ink-3);
  box-shadow: 0 2px 6px rgba(7, 27, 52, .08);
}
.slide.stacked .canvas::after {
  position: absolute;
  top: 0;
  right: 0;
  padding: 5px 12px;
  color: #fff;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  z-index: 5;
}
.slide.stack-more .canvas::after {
  content: "MORE";
  background: var(--green);
}
.slide.stack-exercise .canvas::after {
  content: "EXERCISE";
  background: var(--amber);
}
.overview .thumb-stack {
  opacity: .72;
  margin-left: 12px;
}
.slide:has(.stack-nav) .legendrow {
  padding-right: 330px;
}
.slide:has(.stack-nav) .takeaway p {
  padding-right: 330px;
}
@media print {
  .stack-nav {
    display: none;
  }
}