/* Feedback revision: a consistent light canvas and concrete teaching demos. */
.slide.dark,
.slide.blue,
.roadmap,
.cinema {
  background: var(--paper);
  color: var(--ink);
  --muted: #62717a;
  --line: #d5d8d4;
  --pale: #e5ecfb;
}
.map-title .section-num {
  color: var(--blue);
}
.map-subtitle {
  color: var(--muted);
}
.map-row {
  color: #7b858b;
  border-color: var(--line);
}
.map-row.done {
  color: #67776d;
}
.map-row.current {
  color: var(--ink);
  border-color: var(--blue);
  background: var(--pale);
}
.map-row .map-num {
  color: #74808c;
}
.map-row.current .map-num,
.map-parents span.current {
  color: var(--blue);
}
.map-parents span {
  color: var(--muted);
}
.cinema {
  padding: 75px 90px 70px;
}
.cinema:after {
  display: none;
}
.cinema-layout {
  height: 100%;
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  align-items: center;
  gap: 65px;
}
.cinema .cinema-copy {
  position: static;
  width: auto;
  color: var(--ink);
}
.cinema .cinema-copy h2 {
  font-size: 59px;
}
.cinema .cinema-copy p {
  font-size: 27px;
  color: var(--muted);
}
.cinema .eyebrow {
  font-size: 15px;
  color: var(--blue);
}
.cinema figure {
  margin: 0;
  overflow: hidden;
}
.cinema .cinema-image {
  position: static;
  width: 100%;
  height: 470px;
  object-fit: cover;
  border-radius: 8px;
  animation: none;
  scale: 1;
}
.slide[data-source-id="117"] .cinema-image {
  scale: 1;
}
.cinema .image-caption {
  position: static;
  color: var(--muted);
  font-size: 13px;
  margin-top: 15px;
  text-align: left;
}
.cinema .slide-footer {
  color: var(--muted);
}
.human-figure circle {
  fill: var(--blue);
}
.end-layout:after {
  border-color: #2159dd24;
  box-shadow:
    0 0 0 85px #2159dd05,
    0 0 0 170px #2159dd03;
}
.end-layout .eyebrow {
  color: var(--blue);
}
.code-block {
  background: #e8edf3;
  color: var(--ink);
}
.code-block .key {
  color: var(--blue);
}
.test-output {
  background: #e5ede7;
  color: #215a41;
}
.test-output span {
  color: var(--ink) !important;
}
.advice-layout {
  height: 100%;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 85px;
  align-items: center;
}
.advice-conversation {
  display: flex;
  flex-direction: column;
  gap: 25px;
}
.advice-conversation .bubble {
  font-size: 27px;
  padding: 23px 28px;
  line-height: 1.9;
}
.advice-result {
  padding-right: 20px;
}
.empty-ticket {
  border: 2px dashed #bec6c8;
  background: #fffdf8;
  border-radius: 8px;
  padding: 35px 30px;
  transform: rotate(-3deg);
  margin-bottom: 35px;
}
.empty-ticket span {
  display: block;
  font-size: 18px;
  color: var(--muted);
}
.empty-ticket strong {
  display: block;
  font-size: 36px;
  margin-top: 18px;
  color: #73808a;
}
.travel-content {
  margin-top: 0;
}
.travel-layout {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 70px;
  align-items: center;
}
.travel-phone {
  height: 650px;
  width: 455px;
  border-radius: 36px;
}
.travel-phone .phone-top {
  background: #e5ecfb;
  color: var(--ink);
  border-bottom: 1px solid #cbd6e7;
}
.travel-phone .phone-top small {
  margin-right: auto;
  font-size: 12px;
  color: var(--muted);
}
.travel-phone .conversation {
  padding: 22px 18px;
  gap: 16px;
}
.travel-phone .bubble {
  font-size: 22px;
  line-height: 1.85;
  padding: 17px 20px;
}
.travel-explainer h2 {
  font-size: 58px;
  line-height: 1.6;
}
.travel-explainer h3 {
  font-size: 34px;
  line-height: 1.8;
  max-width: 620px;
}
.travel-explainer .lead {
  font-size: 25px;
  max-width: 610px;
  margin-top: 20px;
}
.travel-explainer .caption {
  font-size: 16px;
  margin-top: 35px;
}
.travel-explainer .state-label {
  margin-top: 35px;
}
.trip-options {
  display: grid;
  gap: 12px;
}
.trip-option {
  display: grid;
  text-align: right;
  gap: 6px;
  padding: 16px 18px;
  background: #fffdfa;
  border: 1px solid #c4cfdf;
  border-radius: 9px;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.8;
}
.trip-option b {
  color: var(--blue);
  font-size: 20px;
}
.trip-option small {
  font-size: 15px;
  color: var(--blue);
  margin-top: 8px;
}
.trip-option:not(:disabled):hover {
  background: var(--pale);
  border-color: var(--blue);
}
.trip-option:disabled {
  cursor: default;
}
.travel-approve {
  background: var(--green);
  color: white;
  border: 0;
  border-radius: 6px;
  padding: 16px;
  font-size: 23px;
}
.trip-downloads {
  display: grid;
  gap: 9px;
}
.trip-downloads a {
  display: block;
  background: #e5ede7;
  border: 1px solid #bfd0c4;
  color: #205f45;
  border-radius: 6px;
  padding: 13px 18px;
  font-size: 22px;
  text-decoration: none;
}
.trip-downloads a:hover {
  background: #d9e8df;
}
.early-ai {
  height: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  align-items: center;
}
.early-example {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.early-symbol {
  font-size: 100px;
  font-weight: 900;
  color: var(--blue);
  height: 155px;
}
.early-example h3 {
  font-size: 31px;
}
.early-example p {
  font-size: 25px;
  line-height: 1.9;
  color: var(--muted);
  margin-top: 18px;
}
.pixel-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  width: 175px;
  height: 175px;
  gap: 4px;
  background: #e4e6e1;
  padding: 7px;
  border-radius: 5px;
  direction: ltr;
}
.pixel {
  display: block;
  min-width: 0;
  padding: 0;
  background: #fffef9;
  border: 1px solid #d5d8d2;
  border-radius: 2px;
}
.pixel.filled {
  background: var(--ink);
  border-color: var(--ink);
}
button.pixel:hover {
  outline: 2px solid var(--gold);
}
.digit-example {
  height: calc(100% - 65px);
  display: grid;
  grid-template-columns: 1fr 50px 1fr 50px 1fr;
  gap: 20px;
  align-items: center;
  text-align: center;
}
.digit-example .pixel-grid {
  width: 230px;
  height: 230px;
  margin: 25px auto;
}
.digit-machine h3 {
  margin-top: 25px;
}
.big-arrow {
  font-size: 50px;
  color: var(--blue);
}
.digit-answer {
  font-size: 140px;
  font-weight: 900;
  color: var(--blue);
  line-height: 1.4;
}
.digit-bottom {
  text-align: center;
  margin-top: 10px;
  font-size: 21px;
}
.learning-slide {
  padding: 55px 80px 65px;
}
.learning-slide .slide-header h2 {
  font-size: 48px;
}
.learning-slide .slide-header .eyebrow {
  margin-bottom: 12px;
}
.learning-slide .slide-header .lead {
  font-size: 23px;
  line-height: 1.8;
  max-width: 1360px;
}
.learning-slide .content {
  margin-top: 18px;
}
.learning-demo {
  height: 100%;
  position: relative;
}
.nn-main {
  display: grid;
  grid-template-columns: 215px 1fr 235px;
  gap: 25px;
  align-items: center;
  height: 330px;
}
.nn-input {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.nn-input .state-label {
  font-size: 17px;
  margin-bottom: 15px;
}
.nn-input .caption {
  font-size: 13px;
  margin-top: 9px;
  max-width: 205px;
  text-align: center;
}
.digit-select {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}
.digit-select button {
  font-size: 15px;
  padding: 6px 12px;
  background: #fffdf8;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 5px;
}
.nn-diagram svg {
  width: 100%;
  height: 330px;
  overflow: visible;
}
.nn-node-value {
  font:
    11px ui-monospace,
    monospace;
  text-anchor: middle;
  fill: var(--ink);
}
.nn-output-label {
  font: 800 30px Estedad;
  text-anchor: middle;
}
.nn-layer-label {
  font: 15px Estedad;
  text-anchor: middle;
  fill: var(--muted);
}
.nn-result {
  border-right: 1px solid var(--line);
  padding-right: 22px;
}
.nn-result .state-label {
  font-size: 17px;
  margin-bottom: 3px;
}
.nn-guess {
  font-size: 77px;
  font-weight: 900;
  line-height: 1.3;
}
.nn-guess.correct {
  color: var(--green);
}
.nn-guess.wrong {
  color: var(--red);
}
.nn-prob {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  align-items: center;
  margin: 14px 0;
  font-size: 18px;
}
.nn-prob strong {
  text-align: left;
}
.nn-prob > i {
  grid-column: 1/-1;
  background: linear-gradient(
    to left,
    var(--blue) var(--value),
    #dde2e6 var(--value)
  );
  height: 8px;
  border-radius: 4px;
}
.nn-result .caption {
  font-size: 16px;
}
.nn-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin: 13px 0;
  padding: 12px 0;
}
.nn-metrics > div {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
}
.nn-metrics span {
  font-size: 16px;
  color: var(--muted);
}
.nn-metrics b {
  font-size: 27px;
}
.learning-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 17px;
}
.learning-controls button,
.temperature-controls button {
  border: 0;
  background: var(--blue);
  color: white;
  padding: 12px 20px;
  border-radius: 6px;
  font-size: 18px;
}
.learning-controls button.secondary {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  margin-right: auto;
}
.learning-controls button:disabled {
  opacity: 0.5;
  cursor: default;
}
.learning-controls .caption {
  font-size: 16px;
}
.manual-weight {
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 19px;
}
.manual-weight input {
  width: 255px;
  accent-color: var(--gold);
}
.nn-footnote {
  font-size: 14px;
  margin-top: 13px;
}
.training .nn-diagram line {
  transition:
    stroke-width 0.12s,
    opacity 0.12s;
}
.probability-demo {
  max-width: 1160px;
  margin: auto;
}
.sentence-prompt {
  font-size: 39px;
  font-weight: 800;
  margin-bottom: 20px;
}
.sentence-prompt > span {
  border-bottom: 3px solid var(--blue);
  padding: 0 22px;
  color: var(--blue);
}
.candidate-row {
  display: grid;
  grid-template-columns: 145px 1fr 95px;
  gap: 20px;
  align-items: center;
  height: 57px;
  font-size: 26px;
}
.candidate-row b {
  text-align: left;
  font-size: 23px;
}
.candidate-track {
  background: #e1e5e5;
  height: 20px;
  border-radius: 3px;
  overflow: hidden;
}
.candidate-track i {
  display: block;
  height: 100%;
  background: var(--blue);
  transition: width 0.2s;
}
.temperature-controls {
  display: flex;
  gap: 30px;
  align-items: center;
  margin: 26px 0 15px;
}
.temperature-controls label {
  display: flex;
  gap: 17px;
  align-items: center;
  font-size: 23px;
}
.temperature-controls input {
  accent-color: var(--blue);
  width: 245px;
}
.temperature-controls label b {
  font-size: 21px;
  min-width: 48px;
}
.sample-output {
  font-size: 23px;
  color: var(--blue);
}
.sample-history {
  display: flex;
  gap: 8px;
  min-height: 35px;
  margin-bottom: 10px;
}
.sample-history span {
  font-size: 16px;
  border-bottom: 2px solid var(--blue);
  padding: 2px 10px;
  background: var(--pale);
}
.probability-demo > .caption {
  font-size: 16px;
}
@media (prefers-reduced-motion: reduce) {
  .candidate-track i,
  .training .nn-diagram line {
    transition: none;
  }
}
.network-structure {
  height: 100%;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 50px;
  align-items: center;
}
.network-structure > div:first-child {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 25px;
}
.network-structure .pixel-grid {
  width: 225px;
  height: 225px;
}
.network-structure svg {
  width: 100%;
  height: 350px;
}
.network-structure > p {
  grid-column: 1/-1;
  text-align: center;
  font-size: 24px;
}
.network-structure .caption {
  line-height: 1.9;
}
.candidate-row {
  height: 52px;
}
.temperature-controls {
  margin-top: 18px;
}
.sample-history {
  min-height: 30px;
}
.mechanical-test {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 55px;
  align-items: center;
  height: 100%;
}
.mechanical-test .timeline-row {
  font-size: 21px;
}
.mechanical-controls {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 25px;
}
.mechanical-controls button {
  background: var(--blue);
  color: white;
  border: 0;
  border-radius: 6px;
  padding: 14px 20px;
  font-size: 20px;
}
.mechanical-controls label {
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.mechanical-controls input {
  accent-color: var(--blue);
  width: 18px;
  height: 18px;
}
.mechanical-output {
  background: #e8edf3;
  padding: 26px 30px;
  border-right: 4px solid var(--line);
  font-size: 23px;
  line-height: 1.9;
  min-height: 180px;
}
.mechanical-output.pass {
  border-color: var(--green);
  background: #e5ede7;
}
.mechanical-output.fail {
  border-color: var(--red);
  background: #f3e8e3;
}
.mechanical-output .test-label {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 16px;
}
.mechanical-output .test-conclusion {
  font-size: 28px;
  font-weight: 800;
  margin-top: 12px;
}
.mechanical-output.pass .test-conclusion {
  color: var(--green);
}
.mechanical-output.fail .test-conclusion {
  color: var(--red);
}