/* Keep native hidden state authoritative for overlays. */
.mobile-gate[hidden],
.overview[hidden] {
  display: none;
}

.is-light-chrome .topbar {
  color: var(--ink);
  border-bottom-color: rgba(23, 33, 40, .16);
}

.is-light-chrome .topbar__context {
  color: rgba(23, 33, 40, .62);
}

.is-light-chrome .chapter-nav__item {
  color: rgba(23, 33, 40, .48);
}

.is-light-chrome .chapter-nav__item.is-active {
  color: var(--ink);
}

.slide--atlas * {
  letter-spacing: 0;
}

.atlas__top {
  display: block;
  top: 104px;
}

.atlas__top h2 {
  max-width: 100%;
  margin-top: 24px;
  font-size: 44px;
  line-height: 1.2;
}

.atlas__note {
  position: absolute;
  top: 0;
  right: 0;
}

.atlas__bottom {
  bottom: 72px;
}

.slide--atlas .hotspot--garden {
  bottom: 36%;
}

.slide--atlas .hotspot--road {
  bottom: 34%;
}

.hotspot button[aria-expanded="true"] {
  background: var(--coral);
  border-color: #fff;
}

.hotspot-panel {
  bottom: 124px;
  max-width: 340px;
  padding: 17px 20px;
}

.hotspot-panel strong {
  font-size: 20px;
  line-height: 1.4;
}

.hotspot-panel p {
  font-size: 12px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .86);
}

.slide--impact .impact-layout {
  top: 74px;
  height: calc(100% - 140px);
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  align-content: safe center;
  gap: 64px;
  padding-top: 24px;
  padding-bottom: 24px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.impact-copy h2 {
  font-size: 46px;
  line-height: 1.25;
  letter-spacing: 0;
  margin: 18px 0 22px;
}

.community-entry {
  margin-top: 28px;
}

.community-entry .button {
  max-width: 100%;
  text-decoration: none;
  letter-spacing: 0;
  font-size: 13px;
  gap: 24px;
}

.community-entry p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.7;
}

@media (max-width: 900px) {
  .atlas__top h2 {
    font-size: 36px;
  }

  .slide--impact .impact-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .impact-copy h2 {
    font-size: 42px;
  }
}

@media (max-width: 620px) {
  .atlas__top {
    top: 85px;
  }

  .atlas__top h2 {
    margin-top: 18px;
    font-size: 28px;
    line-height: 1.25;
  }

  .slide--atlas .hotspot--road {
    bottom: 42%;
  }

  .slide--atlas .hotspot--garden {
    bottom: 40%;
  }

  .hotspot-panel {
    bottom: 134px;
  }

  .hotspot-panel strong {
    font-size: 18px;
  }

  .hotspot-panel p {
    font-size: 11px;
  }

  .atlas__bottom {
    bottom: 66px;
    font-size: 10px;
  }

  .atlas__bottom .text-button {
    margin-top: 10px;
  }

  .slide--impact .impact-layout {
    top: 60px;
    height: calc(100% - 112px);
    align-content: start;
    padding-top: 26px;
    padding-bottom: 24px;
    gap: 28px;
  }

  .impact-copy h2 {
    font-size: 32px;
  }

  .community-entry {
    margin-top: 22px;
  }
}

.slide--why {
  background: #f0f4f2;
}

.slide--why * {
  letter-spacing: 0;
}

.slide--why .why-layout {
  top: 74px;
  height: calc(100% - 140px);
  display: flex;
  flex-direction: column;
  justify-content: safe center;
  gap: 22px;
  padding-top: 24px;
  padding-bottom: 24px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.why-layout > * {
  flex: none;
  min-width: 0;
}

.why-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 28px;
}

.why-heading h2 {
  margin-top: 12px;
  font-size: 38px;
  line-height: 1.25;
}

.why-heading p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.why-models {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}

.why-model--atlas {
  border-left: 1px solid var(--line);
  padding-left: 36px;
}

.why-model__source {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.why-model h3 {
  margin: 8px 0;
  font-size: 38px;
  font-weight: 800;
  line-height: 1.2;
}

.why-model a {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.why-model mark {
  color: #b7472e;
  background: transparent;
  box-shadow: inset 0 -.17em rgba(226, 107, 77, .13);
}

.why-model--atlas mark {
  color: #146f72;
  box-shadow: inset 0 -.17em rgba(31, 120, 124, .13);
}

.why-model__subtitle {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 600;
}

.why-model__arrow {
  color: var(--muted);
  font-size: 20px;
  transition: transform .2s ease;
}

.why-model a:hover .why-model__arrow {
  transform: translate(2px, -2px);
}

.why-model p {
  max-width: 480px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.why-role {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px;
  align-items: center;
  gap: 30px;
}

.why-role h3 {
  margin: 9px 0;
  font-family: var(--display);
  font-size: 25px;
  font-weight: 600;
  line-height: 1.4;
}

.why-role h3 br {
  display: none;
}

.why-role strong {
  color: #146f72;
  font-weight: 600;
}

.why-role__phrase {
  display: inline-block;
}

.why-role p {
  max-width: 790px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}

.why-role figure {
  margin: 0;
}

.why-role img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
}

.why-role figcaption {
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
}

.why-values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.why-values h3 {
  margin-bottom: 7px;
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
}

.why-values h3 span {
  margin-right: 10px;
  color: #b7472e;
  font-family: var(--sans);
  font-size: 11px;
}

.why-values p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.why-sources {
  border-top: 1px solid var(--line);
  padding-top: 12px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.7;
}

.why-sources > div {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.why-sources a {
  color: #146f72;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.why-sources a:hover {
  color: #b7472e;
}

.why-sources p {
  margin-top: 6px;
}

@media (min-width: 901px) and (max-height: 800px) {
  .slide--why .why-layout {
    gap: 14px;
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .why-heading h2 {
    font-size: 34px;
  }

  .why-models {
    padding: 12px 0;
  }

  .why-model h3 {
    font-size: 32px;
  }

  .why-role {
    grid-template-columns: minmax(0, 1fr) 120px;
  }

  .why-role h3 {
    font-size: 22px;
  }
}

@media (max-width: 900px) {
  .why-heading {
    display: block;
  }

  .why-heading p {
    margin-top: 12px;
  }

  .why-models {
    gap: 22px;
  }

  .why-model--atlas {
    padding-left: 22px;
  }

  .why-model h3 {
    font-size: 30px;
  }

  .why-role h3 {
    font-size: 23px;
  }

  .why-values {
    gap: 18px;
  }
}

@media (max-width: 620px) {
  .slide--why .why-layout {
    top: 60px;
    height: calc(100% - 112px);
    justify-content: flex-start;
    gap: 24px;
    padding-top: 26px;
    padding-bottom: 24px;
  }

  .why-heading h2 {
    font-size: 30px;
    line-height: 1.35;
  }

  .why-heading h2 strong {
    display: block;
  }

  .why-models,
  .why-values {
    grid-template-columns: minmax(0, 1fr);
  }

  .why-model--atlas {
    padding-left: 0;
    padding-top: 22px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .why-model h3 {
    font-size: 31px;
  }

  .why-model__subtitle {
    font-size: 17px;
  }

  .why-role {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .why-role h3 br {
    display: inline;
  }

  .why-role figure {
    max-width: 210px;
  }
}

@media (max-width: 620px) {
  .slide__inner {
    overflow-y: auto;
    overscroll-behavior: contain;
  }
}

.source-footer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: #899391;
  font-size: 10px;
}

.source-footer a,
.source-card {
  color: inherit;
  text-decoration: none;
}

.source-footer a {
  color: var(--sea-deep);
  border-bottom: 1px solid rgba(31, 120, 124, .28);
}

.source-footer a:hover,
.source-footer a:focus-visible {
  color: var(--coral);
}

.slide--proof .slide__inner {
  top: 74px;
  height: calc(100% - 140px);
  display: flex;
  flex-direction: column;
  justify-content: safe center;
  gap: 22px;
  padding-top: 24px;
  padding-bottom: 24px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.slide--proof * {
  letter-spacing: 0;
}

.proof__heading {
  flex: none;
  gap: 32px;
  margin-bottom: 0;
}

.proof__heading h2 {
  margin-top: 12px;
  font-size: 46px;
  line-height: 1.2;
}

.proof__heading > p {
  flex: 0 1 330px;
  max-width: 330px;
}

.proof-stage {
  display: grid;
  flex: none;
  grid-template-columns: minmax(0, 1fr) 116px minmax(0, 1fr);
  gap: 38px;
  height: auto;
  align-items: center;
}

.proof-item {
  width: min(100%, 45vh, 420px);
  min-width: 0;
  margin: 0;
  justify-self: center;
  text-align: left;
}

.proof-image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: contain;
}

.proof-item figcaption {
  display: grid;
  gap: 5px;
  padding-top: 12px;
}

.proof-item figcaption strong {
  font-family: var(--display);
  font-size: 19px;
  font-weight: 600;
}

.proof-item figcaption span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.proof-core {
  width: 116px;
  height: 116px;
  margin-bottom: 58px;
  justify-self: center;
  box-shadow: 0 0 0 10px rgba(23, 33, 40, .06);
}

.proof-core span {
  padding-bottom: 12px;
  font-size: 32px;
}

.proof-core small {
  bottom: 24px;
  font-size: 10px;
}

.proof-disclaimer {
  margin-top: -8px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
  text-align: center;
}

.proof-metrics {
  flex: none;
  margin-top: 0;
}

.proof-metrics div {
  padding-top: 14px;
}

.proof-metrics b {
  margin-bottom: 4px;
  font-size: 23px;
}

@media (min-width: 901px) and (max-height: 780px) {
  .slide--proof .slide__inner {
    gap: 18px;
  }

  .proof-item {
    width: min(100%, 40vh, 420px);
  }
}

@media (max-width: 900px) {
  .proof__heading h2 {
    font-size: 38px;
  }

  .proof__heading > p {
    max-width: 580px;
    margin-top: 12px;
  }

  .proof-stage {
    grid-template-columns: minmax(0, 1fr) 88px minmax(0, 1fr);
    gap: 24px;
  }

  .proof-core {
    width: 88px;
    height: 88px;
  }

  .proof-core span {
    font-size: 26px;
  }

  .proof-core small {
    bottom: 17px;
    font-size: 9px;
  }
}

@media (max-width: 620px) {
  .slide--proof .slide__inner {
    top: 60px;
    height: calc(100% - 112px);
    justify-content: flex-start;
    padding-top: 26px;
    padding-bottom: 24px;
    gap: 24px;
  }

  .proof__heading h2 {
    font-size: 30px;
    line-height: 1.3;
  }

  .proof-stage {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .proof-item {
    width: 100%;
  }

  .proof-core {
    width: 70px;
    height: 70px;
    margin: 0;
  }

  .proof-core small {
    bottom: 12px;
    font-size: 8px;
  }

  .proof-metrics div,
  .proof-metrics div:first-child {
    padding: 12px;
  }

  .proof-metrics b {
    font-size: 20px;
  }

  .proof-metrics span {
    font-size: 11px;
  }
}

.slide--sources {
  background: #e8eee9;
}

.sources-layout {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  align-content: center;
  gap: clamp(40px, 7vw, 100px);
}

.sources-layout .section-copy h2 {
  margin: 20px 0 25px;
}

.sources-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.source-card {
  min-height: 190px;
  padding: 22px 23px;
  background: rgba(255, 255, 255, .62);
  border: 1px solid rgba(31, 120, 124, .16);
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}

.source-card:hover,
.source-card:focus-visible {
  transform: translateY(-3px);
  background: #fff;
  border-color: var(--coral);
}

.source-card span {
  display: block;
  color: var(--coral);
  font-size: 9px;
  letter-spacing: .12em;
}

.source-card h3 {
  margin: 15px 0 8px;
  color: var(--ink);
  font-family: var(--display);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
}

.source-card p {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.75;
}

.source-card b {
  display: block;
  margin-top: 14px;
  color: var(--sea-deep);
  font-size: 10px;
}

.source-legend {
  display: flex;
  gap: 18px;
  margin-top: 33px;
  color: var(--muted);
  font-size: 10px;
}

.source-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.legend-dot {
  width: 7px;
  height: 7px;
  display: inline-block;
  border-radius: 50%;
  background: var(--coral);
}

.legend-dot--plan {
  background: var(--sea-deep);
}

.sources-foot {
  grid-column: 2;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(31, 120, 124, .18);
  color: var(--muted);
  font-size: 10px;
  line-height: 1.75;
}

.sources-foot span {
  color: var(--coral);
  letter-spacing: .1em;
}

@media (max-width: 900px) {
  .sources-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .sources-foot {
    grid-column: 1;
  }
}

@media (max-width: 620px) {
  .source-footer {
    gap: 8px 12px;
    margin-top: 18px;
  }

  .sources-grid {
    grid-template-columns: 1fr;
  }

  .source-card {
    min-height: 0;
    padding: 17px 18px;
  }

  .source-card h3 {
    margin-top: 9px;
    font-size: 18px;
  }

  .source-card b {
    margin-top: 9px;
  }

  .source-legend {
    margin-top: 22px;
  }
}