@font-face {
  font-family: Inter;
  src: url("./assets/inter.woff2") format("woff2");
  font-display: swap;
}
@font-face {
  font-family: Newsreader;
  src: url("./assets/newsreader.woff2") format("woff2");
  font-display: swap;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}
body {
  margin: 0;
  background: #f7f5ef;
  color: #182630;
  font-family: Inter, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.6;
}
button,
input,
select {
  font: inherit;
}
button,
a,
input,
select,
summary {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
  border: 1px solid #b8c0be;
  background: transparent;
  padding: 9px 15px;
  border-radius: 4px;
  color: inherit;
}
button:hover {
  background: #e8ece5;
}
button:disabled {
  opacity: 0.4;
  cursor: default;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
a:hover {
  color: #a24420;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid #ce663b;
  outline-offset: 4px;
}
input[type="search"],
select {
  border: 1px solid #bdc4c0;
  border-radius: 4px;
  padding: 11px 12px;
  background: #fffdf7;
  color: #24333b;
  max-width: 100%;
}
input[type="checkbox"] {
  accent-color: #b54c27;
}
label {
  display: flex;
  gap: 5px;
  flex-direction: column;
  font-size: 12px;
  font-weight: 600;
}
h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}
h1,
h2,
h3 {
  font-family: Newsreader, Georgia, serif;
  font-weight: 450;
  line-height: 1.03;
  letter-spacing: -0.035em;
}
h1 {
  font-size: clamp(64px, 6.9vw, 104px);
}
h1 em,
h2 em {
  font-style: normal;
  color: #b94e2b;
}
h2 {
  font-size: clamp(40px, 4.5vw, 65px);
}
h3 {
  font-size: 32px;
}
h4 {
  font-size: 16px;
  line-height: 1.4;
}
p + p {
  margin-top: 14px;
}
.wrap {
  max-width: 1280px;
  padding-left: 48px;
  padding-right: 48px;
  margin: auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #f7f5eff2;
  backdrop-filter: blur(12px);
  height: 76px;
  padding: 0 36px;
  border-bottom: 1px solid #d6d9d1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  font-size: 14px;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-decoration: none;
  white-space: nowrap;
}
.brand-icon {
  color: #b85230;
  font-size: 25px;
  vertical-align: -2px;
  margin-right: 7px;
}
.site-header nav {
  display: flex;
  gap: 26px;
  font-size: 12px;
}
.site-header nav a,
.byline {
  text-decoration: none;
}
.byline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  min-height: 40px;
  padding: 9px 14px;
  border-radius: 4px;
  background: #a44325;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.byline:hover {
  background: #80351e;
  color: #fff;
}
.hero {
  display: grid;
  grid-template-columns: 1fr 1.12fr;
  gap: 30px;
  align-items: center;
  padding-top: 70px;
  padding-bottom: 65px;
  min-height: 710px;
}
.eyebrow {
  font-size: 10px;
  letter-spacing: 0.15em;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 20px;
}
.live-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #b94e2b;
  border-radius: 50%;
  margin-right: 8px;
}
.hero-deck {
  font-size: 21px;
  line-height: 1.55;
  margin-top: 25px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  width: fit-content;
  max-width: 100%;
  margin-top: 24px;
}
.hero-actions a {
  display: inline-flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  padding: 14px 16px;
  border: 1px solid #29473b;
  border-radius: 4px;
  color: #29473b;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
}
.hero-actions .hero-explore {
  background: #29473b;
  color: #fffef9;
}
.hero-actions .hero-explore:hover {
  background: #1e382e;
}
.hero-learn:hover {
  background: #e6ebe1;
}
.hero-actions a:focus-visible {
  outline: 3px solid #b9633d;
  outline-offset: 4px;
}
.hero-text .snapshot {
  margin-top: 28px;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  gap: 40px;
  border-bottom: 1px solid #283a43;
  margin-top: 28px;
  padding-bottom: 10px;
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}
.snapshot {
  margin-top: 43px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 10px;
  letter-spacing: 0;
  color: #687279;
}
.snapshot strong {
  color: #283840;
}
.snapshot span {
  flex-basis: 100%;
  font-size: 10px;
  letter-spacing: 0;
}
.hero-figure {
  border-radius: 4px;
  background: #101c29;
  color: #b7c5ce;
  min-width: 0;
  padding: 22px 24px 24px;
  position: relative;
}
.figure-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: #8ea3b1;
}
.figure-top button {
  padding: 4px 8px;
  border-color: #405866;
  color: #c7d6df;
  font-size: 11px;
  letter-spacing: 0;
  white-space: nowrap;
}
.figure-top button:hover {
  background: #263d4c;
}
.hero-figure #hero-machine {
  margin: 22px -15px 5px;
  min-height: 275px;
  display: flex;
  align-items: center;
}
.hero-figure svg {
  width: 100%;
  height: auto;
}
.hero-figure figcaption {
  border-top: 1px solid #314251;
  padding-top: 18px;
  font-size: 11px;
  line-height: 1.8;
  max-width: 100%;
}
.section {
  padding-top: 100px;
  padding-bottom: 100px;
}
.section-heading {
  max-width: none;
  margin-bottom: 42px;
}
.section-heading > p:not(.eyebrow) {
  font-size: 16px;
  color: #52665c;
  margin-top: 22px;
  max-width: none;
}
.reaction-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  border: 1px solid #cbd2cc;
  background: #fcfbf7;
  border-radius: 5px;
  overflow: hidden;
}
.reaction-visual {
  padding: 25px;
  min-width: 0;
}
.panel-label {
  font-size: 10px;
  letter-spacing: 0.08em;
  display: flex;
  justify-content: space-between;
  color: #62716e;
}
.panel-label span {
  font-size: 10px;
}
.reaction-visual svg {
  width: 100%;
  height: auto;
}
.reaction-caption {
  font-size: 12px;
  min-height: 60px;
  color: #566b6c;
  max-width: none;
}
.reaction-caption strong {
  color: #253c43;
}
.step-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 17px;
}
.step-controls > button {
  padding: 5px 12px;
}
.step-controls > span {
  font-size: 10px;
  letter-spacing: 0.08em;
}
.step-controls .play {
  margin-left: auto;
  font-size: 11px;
}
.reaction-navigation > #reaction-progress {
  flex: 0 0 44px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.reaction-navigation {
  grid-column: 1 / -1;
  margin-top: 0;
  padding: 14px 25px;
  border-bottom: 1px solid #cbd2cc;
}
@media (max-width: 700px) {
  .reaction-navigation {
    padding: 12px 18px;
  }
}
.reaction-steps {
  display: grid;
  border-left: 1px solid #cbd2cc;
}
.reaction-step {
  border: 0;
  border-radius: 0;
  border-bottom: 1px solid #d9ddd5;
  text-align: left;
  padding: 17px 22px;
  display: grid;
  grid-template-columns: 25px 1fr;
  gap: 12px;
}
.reaction-step:last-child {
  border-bottom: 0;
}
.reaction-step .number {
  font-size: 10px;
  color: #52665c;
  padding-top: 2px;
}
.reaction-step .step-title {
  font-size: 13px;
}
.reaction-step .step-description {
  font-size: 11px;
  color: #52665c;
  line-height: 1.6;
  margin-top: 3px;
}
.reaction-step.active {
  background: #e6ede5;
  box-shadow: inset 3px 0 #416958;
}
.fusion-fuels {
  margin-top: 34px;
  padding: 26px;
  border: 1px solid #c6d0c1;
  border-radius: 6px;
  background: #eef1e7;
}
.fusion-fuels h3 {
  font-size: 32px;
}
.learning-actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.learning-actions button {
  min-height: 44px;
  border-color: #718371;
  background: #f9faf3;
  font-size: 12px;
}
.fusion-fuels .learning-actions button {
  border-color: #29473b;
  background: #29473b;
  color: #fffef9;
}
.fusion-fuels .learning-actions button:hover {
  border-color: #162e25;
  background: #162e25;
}
.learning-actions .timeline-cta {
  min-height: 48px;
  padding: 12px 18px;
  border-color: #29473b;
  background: #29473b;
  color: #fffef9;
  font-size: 14px;
  font-weight: 650;
}
.learning-actions .timeline-cta:hover {
  border-color: #162e25;
  background: #162e25;
  box-shadow: 0 3px 10px #193c3130;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.learning-actions .timeline-cta:active {
  box-shadow: inset 0 2px 4px #0003;
}
.fusion-fuels > p {
  font-size: 14px;
  line-height: 1.8;
  color: #3b5148;
}
.fusion-fuels .fuel-alternatives {
  margin-top: 12px;
  font-size: 13px;
  color: #58695e;
}
.machines-section {
  background: #e9ede7;
  border-top: 1px solid #d8ded4;
  border-bottom: 1px solid #d8ded4;
}
.machine-workbench {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  border-radius: 5px;
  overflow: hidden;
  background: #f9faf5;
  border: 1px solid #c8d1c7;
}
.machine-main {
  background: #101c29;
  color: #cbd8df;
  min-width: 0;
  padding: 20px;
}
.machine-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  letter-spacing: 0.1em;
}
.machine-topline label {
  display: flex;
  flex-direction: row;
  gap: 7px;
  align-items: center;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0;
}
.machine-main svg {
  width: 100%;
  height: auto;
  min-height: 300px;
}
.machine-explanation {
  padding: 30px;
}
.machine-explanation h3 {
  font-size: 34px;
  margin-bottom: 16px;
}
.machine-explanation > p {
  font-size: 13px;
  color: #53676b;
}
.machine-explanation > .eyebrow {
  font-size: 10px;
  margin-bottom: 12px;
}
.stage-explainer {
  border-top: 1px solid #ced7cc;
  padding-top: 20px;
  margin-top: 24px;
  min-height: 115px;
}
.stage-explainer .eyebrow {
  margin-bottom: 8px;
  font-size: 10px;
  color: #9b4829;
}
.stage-explainer > p:last-child {
  font-size: 12px;
  line-height: 1.75;
}
.constraint {
  border-left: 2px solid #bd694c;
  padding-left: 14px;
  margin: 20px 0;
}
.constraint > span {
  font-size: 10px;
  letter-spacing: 0.1em;
  font-weight: 700;
}
.constraint p {
  font-size: 11px;
  color: #52665c;
  margin-top: 5px;
}
.dark-controls button {
  border-color: #4b606f;
  color: #b9d0dd;
}
.dark-controls button:hover {
  background: #263d4c;
}
.dark-controls {
  border-top: 1px solid #304350;
  padding-top: 12px;
  margin-top: 0;
  gap: 8px;
}
#machine-stage-buttons {
  display: flex;
  gap: 5px;
}
#machine-stage-buttons button {
  padding: 4px 9px;
  font-size: 10px;
}
#machine-stage-buttons button.active {
  background: #ff925c;
  color: #101c29;
  border-color: #ff925c;
}
.entity-chips {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.entity-chips button {
  padding: 3px 8px;
  font-size: 10px;
}
.quiet {
  font-size: 10px;
  color: #52665c;
  margin-top: 17px;
}
.machine-compare-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  background: #101c29;
  color: #cad8e1;
  margin-top: 15px;
  border-radius: 4px;
  align-items: center;
}
.machine-compare-grid svg {
  width: 100%;
  height: auto;
}
.machine-compare-grid > div:last-child {
  padding: 25px;
}
.machine-compare-grid p {
  font-size: 13px;
  margin-top: 15px;
}
.boundaries {
  background: #f0eee6;
  border: 1px solid #c7cec1;
  border-radius: 6px;
}
.boundaries > summary {
  padding: 26px;
}
.boundaries.section-disclosure[open] > summary {
  margin-bottom: 0;
}
#boundary-panel {
  padding: 26px;
}
#boundary-panel:focus-visible {
  outline: 3px solid #ce663b;
  outline-offset: 3px;
}
.boundary-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  padding: 0 18px;
  background: #e5e9df;
  border-top: 1px solid #c7cec1;
  border-bottom: 1px solid #c7cec1;
}
.boundary-tabs button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 54px;
  padding: 12px 10px;
  font-size: 13px;
  font-weight: 500;
  border: 0;
  border-bottom: 3px solid transparent;
  border-radius: 0;
}
.boundary-tab-number {
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  color: #253e32;
}
.boundary-tabs button:hover {
  background: #dce3d5;
}
.boundary-tabs .active {
  background: #f0eee6;
  color: #253e32;
  border-bottom-color: #975236;
}
#boundary-visual {
  overflow: auto;
  margin-bottom: 24px;
}
#boundary-visual svg {
  width: 100%;
  min-width: 550px;
  height: auto;
  display: block;
}
.boundary-caption {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 30px;
  align-items: start;
  border-top: 1px solid #cbd0c6;
  padding-top: 20px;
  font-size: 13px;
}
.boundary-caption h3 {
  font-size: 26px;
}
.boundary-caveat {
  padding-left: 14px;
  border-left: 3px solid #975236;
}
.boundary-example {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 30px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid #cbd0c6;
  font-size: 13px;
  line-height: 1.8;
}
.boundary-example h4 {
  margin-top: 14px;
  font-family: Newsreader, Georgia, serif;
  font-size: 27px;
  font-weight: 500;
}
.boundary-example p {
  margin: 10px 0 0;
}
.boundary-example > div > p:first-child {
  margin-top: 0;
}
.boundary-example .example-equation {
  font-size: 17px;
  font-variant-numeric: tabular-nums;
  color: #93482e;
}
.boundaries + .calculator {
  margin-top: 36px;
}
.badge {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.06em;
  font-weight: 650;
  border: 1px solid #aab9b2;
  border-radius: 3px;
  padding: 3px 6px;
  line-height: 1.5;
  color: #426252;
  vertical-align: middle;
}
.badge.model {
  border-color: #a4acb9;
  color: #565f79;
}
.badge.target {
  border-style: dashed;
  border-color: #b99875;
  color: #83562b;
}
.citation {
  font-size: 9px !important;
  margin-top: 12px;
}
.source-link {
  display: inline-flex;
  margin: 2px 4px 2px 0;
  text-decoration: none;
  border-bottom: 1px dotted #8d9c9e;
  color: #526e76;
  font-size: 10px;
}
.source-info {
  border: 0;
  padding: 0 3px;
  color: #52665c;
  font-size: 10px;
}
.calculator,
.experimental-results {
  background: #fffef9;
  border: 1px solid #c9d2c8;
  border-radius: 5px;
  padding: 30px;
  box-shadow: 0 10px 45px #193c3110;
}
.calculator-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid #d5dcd2;
}
.calculator > summary h3 {
  font-size: 31px;
}
.segmented {
  display: flex;
  gap: 3px;
  background: #e9ede6;
  padding: 4px;
  border-radius: 5px;
}
.segmented button {
  border: 0;
  font-size: 10px;
  line-height: 1.4;
  padding: 9px 11px;
  border-radius: 3px;
}
.segmented button.active {
  background: #fffef9;
  box-shadow: 0 1px 4px #1c322525;
}
#calc-context {
  font-size: 11px;
  line-height: 1.7;
  padding: 16px 0;
  color: #687979;
}
.published-scenario {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 18px;
  font-size: 12px;
  color: #52645b;
}
.published-scenario button {
  font-size: 12px;
}
.published-scenario button.active {
  background: #29473b;
  color: #fffef9;
}
#calc-context p {
  margin: 7px 0;
}
.scenario-background,
.record-background {
  margin-top: 12px;
}
.scenario-background > summary,
.record-background > summary {
  padding: 8px 0;
  color: #36533f;
}
.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  padding: 15px 0 20px;
}
.calc-controls {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.slider-row {
  display: grid;
  grid-template-columns: 1fr 80px;
  align-items: center;
  gap: 6px;
}
.slider-row label {
  font-size: 11px;
  font-weight: 500;
}
.slider-row output {
  text-align: right;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.slider-row input {
  grid-column: 1 / -1;
  width: 100%;
  height: 5px;
  accent-color: #426c5a;
  cursor: pointer;
}
.calc-result {
  background: #edf1e9;
  border-radius: 5px;
  padding: 25px;
  align-self: start;
}
.calc-result .eyebrow {
  font-size: 10px;
  margin-bottom: 14px;
}
#net-number {
  font-family: Newsreader, Georgia, serif;
  font-size: 65px;
  line-height: 1.1;
  color: #2e6451;
  letter-spacing: -0.05em;
}
#net-number.negative {
  color: #b15130;
}
#net-number small {
  font-family: Inter, sans-serif;
  font-size: 12px;
  letter-spacing: 0;
  margin-left: 7px;
}
#net-number span {
  display: block;
  font-family: Inter, sans-serif;
  font-size: 10px;
  letter-spacing: 0;
  margin-top: 7px;
}
#power-flow {
  margin-top: 25px;
}
.power-row {
  margin-bottom: 12px;
}
.power-row > div:first-child {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  gap: 10px;
}
.power-bar-track {
  height: 6px;
  background: #d6dfd3;
  margin-top: 5px;
}
.power-bar {
  height: 6px;
  background: #5d8870;
}
.power-bar.demand {
  background: #c78d6c;
}
.power-bar.fusion {
  background: #8c9eaa;
}
.signed-axis {
  margin-top: 25px;
  border-top: 1px solid #b2beb2;
  position: relative;
  height: 38px;
  font-size: 10px;
  color: #52665c;
}
.axis-zero {
  position: absolute;
  left: 50%;
  top: -7px;
  border-left: 1px solid #758b79;
  height: 13px;
  padding-top: 15px;
}
.axis-dot {
  position: absolute;
  top: -5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #2f6c53;
}
.axis-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
}
#threshold {
  font-size: 10px;
  margin: 12px 0;
}
.calc-result details {
  font-size: 11px;
  border-top: 1px solid #cbd5c8;
  padding-top: 14px;
}
summary {
  cursor: pointer;
  line-height: 1.6;
  font-size: 12px;
}
.calc-result code {
  display: block;
  white-space: normal;
  font-size: 10px;
  margin-top: 10px;
  line-height: 1.8;
}
.calc-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid #d0d8ce;
  padding-top: 20px;
}
.calc-footer p {
  font-size: 10px;
  color: #52665c;
  flex: 1;
}
.calc-footer button {
  font-size: 10px;
  white-space: nowrap;
}
.model-notes {
  margin-top: 18px;
  font-size: 11px;
  color: #66776d;
}
.model-notes p {
  margin-top: 12px;
}
.experimental-results {
  margin-top: 36px;
}
.records-intro {
  font-size: 13px;
  color: #52665c;
  margin: 0 0 26px;
}
.record-layout {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 50px;
}
.record-layout > div > label {
  max-width: 350px;
}
.record-layout aside {
  border-left: 1px solid #d0d6ce;
  padding-left: 28px;
}
.record-layout aside p {
  font-size: 12px;
  margin-top: 15px;
}
.record-layout aside button {
  font-size: 11px;
  margin-top: 20px;
}
#record-chart svg {
  width: 100%;
  height: auto;
}
#record-chart .record-context {
  margin-top: 18px;
  font-size: 14px;
  color: #42564c;
}
.data-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 11px;
  line-height: 1.6;
}
.data-table th {
  text-align: left;
  font-size: 10px;
  letter-spacing: 0.05em;
  font-weight: 600;
  background: #e8eee6;
  padding: 12px;
  vertical-align: top;
}
.data-table .table-sort {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  margin: -6px 0;
  padding: 6px 0;
  border: 0;
  border-radius: 2px;
  font: inherit;
  letter-spacing: inherit;
  text-align: left;
  color: #294b3a;
}
.data-table .table-sort:hover:not(:disabled) {
  background: #d7e3d3;
  color: #142f22;
}
.sort-arrow {
  font-size: 15px;
  line-height: 1;
}
.data-table th[aria-sort] {
  background: #d7e3d3;
  box-shadow: inset 0 -2px #526f5a;
}
.data-table .table-sort:disabled {
  cursor: default;
  color: #617168;
  opacity: 1;
}
.table-sort:disabled .sort-arrow { opacity: .4; }
.table-sort-note {
  margin: -4px 0 16px;
  color: #52665c;
  font-size: 12px;
}
.funding-table .fund-date { white-space: nowrap; }
.data-table td {
  border-bottom: 1px solid #d1d9d0;
  padding: 13px 12px;
  vertical-align: top;
}
.data-table td p {
  margin-top: 8px;
}
.data-table td button {
  padding: 0;
  border: 0;
  text-align: left;
  font-weight: 600;
}
.table-scroll {
  overflow: auto;
}
.landscape-section {
  background: #e9ede7;
  border-block: 1px solid #d5ddd2;
}
.atlas-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 30px;
}
#atlas-stats {
  display: flex;
  gap: 25px;
  font-size: 10px;
  color: #52665c;
}
#atlas-stats b {
  font-family: Newsreader, Georgia, serif;
  font-size: 33px;
  color: #2e453e;
  margin-right: 6px;
  font-weight: 450;
}
.filters {
  display: grid;
  grid-template-columns: 2fr 1.25fr 0.8fr 1.1fr 1.1fr 1.2fr;
  gap: 12px;
}
.filters label {
  font-size: 10px;
  font-weight: 500;
}
.filters select,
.filters input {
  font-size: 11px;
  min-width: 0;
  width: 100%;
  padding: 10px;
}
.results-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 18px 0;
  color: #52665c;
  font-size: 10px;
}
.results-line button {
  font-size: 10px;
  border: 0;
  text-decoration: underline;
}
.entity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.entity-card {
  background: #fafbf6;
  border: 1px solid #c7d1c5;
  border-radius: 4px;
  padding: 23px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.entity-card .card-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 8px;
}
.entity-card .card-top > span {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: #52665c;
  text-transform: uppercase;
}
.entity-card label {
  flex-direction: row;
  align-items: center;
  font-size: 10px;
  font-weight: 400;
  white-space: nowrap;
}
.entity-card h3 {
  font-size: 26px;
  line-height: 1.1;
  margin-top: 20px;
  margin-bottom: 10px;
}
.entity-card h3 button {
  font: inherit;
  letter-spacing: inherit;
  padding: 0;
  border: 0;
  text-align: left;
}
.entity-card h3 button:hover {
  background: none;
  color: #a54a2e;
}
.entity-card > p {
  font-size: 11px;
  color: #65766f;
  min-height: 50px;
}
.card-evidence {
  border-top: 1px solid #d7dfd2;
  margin-top: 18px;
  padding-top: 17px;
  flex: 1;
}
.card-evidence p {
  font-size: 11px;
  line-height: 1.7;
  margin-top: 9px;
}
.evidence-labels {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin-bottom: 9px;
}
.evidence-provenance {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
}
.source-type {
  display: inline-block;
  padding: 4px 7px;
  border: 1px solid #bcc9bf;
  border-radius: 3px;
  background: #f2f5ee;
  color: #40574a;
  font-size: 10px;
  font-weight: 550;
  line-height: 1.4;
}
.card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding-top: 15px;
  border-top: 1px solid #d7dfd2;
  font-size: 10px;
}
.card-bottom button {
  padding: 0;
  border: 0;
  font-size: 10px;
}
.empty {
  padding: 60px 20px;
  text-align: center;
  background: #f8faf3;
}
.empty h3 {
  margin-bottom: 15px;
}
.empty p {
  font-size: 13px;
}
.funding-note,
.site-note {
  font-size: 12px;
  margin: 0 0 24px;
  max-width: 790px;
}
.funding-filters {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}
.funding-filters label {
  min-width: 180px;
}
#comparison-tray {
  position: sticky;
  bottom: 16px;
  background: #1b3431;
  color: #e5eee5;
  border-radius: 5px;
  box-shadow: 0 4px 25px #17302540;
  margin-top: 25px;
  padding: 15px 20px;
  font-size: 11px;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  z-index: 10;
}
#comparison-tray:not([hidden]) {
  display: flex;
}
#comparison-tray button {
  border-color: #80998c;
  font-size: 11px;
}
#comparison-tray button:hover {
  background: #34534b;
}
.risk-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 35px;
}
.risk-heading {
  grid-column: var(--risk-column);
  grid-row: 1;
  margin: 0;
}
.risk-toggle {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) 18px;
  align-items: center;
  gap: 10px;
  width: 100%;
  height: 100%;
  min-height: 88px;
  border: 0;
  border-top: 1px solid #cbd3c8;
  border-radius: 0;
  padding: 20px 0;
  text-align: left;
  font-family: Newsreader, Georgia, serif;
  font-size: 26px;
  font-weight: 450;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.risk-toggle::after {
  content: "+";
  font-family: Inter, sans-serif;
  font-size: 17px;
  text-align: right;
}
.risk-toggle[aria-expanded="true"] {
  color: #234b3c;
  background: #dce8dc;
  box-shadow: inset 4px 0 #416958;
  padding-inline: 14px;
  border-top-color: #628371;
}
.risk-toggle[aria-expanded="true"]::after {
  content: "−";
}
.risk-toggle .number {
  font-family: Inter, sans-serif;
  font-size: 10px;
  color: #9b563b;
  letter-spacing: 0;
}
.risk-panel {
  grid-column: 1 / -1;
  grid-row: 2;
  margin: 0 0 24px;
  padding: 28px 32px;
  background: #fffdf8;
  border: 1px solid #bac9bd;
  border-radius: 6px;
}
.risk-panel > * {
  max-width: none;
}
/* Engineering stories: visual anchors, worked examples and mechanisms. */
.engineering-story {
  display: grid;
  gap: 32px;
  align-items: start;
}
.engineering-aside {
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
}
.engineering-wide { grid-template-columns: minmax(0, 1fr); }
.engineering-copy { min-width: 0; max-width: 78ch; }
.engineering-wide .engineering-copy { max-width: none; }
.engineering-copy h4 {
  font: 450 clamp(27px, 2.6vw, 34px)/1.15 Newsreader, Georgia, serif;
  letter-spacing: -.02em;
  color: #233f35;
  margin: 0 0 16px;
}
.engineering-copy p {
  color: #4c6255;
  font-size: 14px;
  line-height: 1.8;
  margin: 14px 0 0;
}
.engineering-copy .engineering-lead {
  font-size: 17px;
  line-height: 1.65;
  color: #29483a;
}
.engineering-copy .engineering-point {
  border-left: 3px solid #aabda9;
  padding-left: 14px;
  color: #304e3d;
}
.engineering-art { margin: 0; min-width: 0; }
.engineering-art svg { display: block; width: 100%; height: auto; }
.engineering-art figcaption,
.engineering-figure-note {
  font-size: 11px;
  line-height: 1.65;
  color: #627369;
  margin: 12px 0 0;
}
.engineering-example {
  margin: 0;
  padding: 22px;
  border: 1px solid #d2ddce;
  border-radius: 6px;
  background: #f1f4eb;
  min-width: 0;
}
.engineering-example > figcaption {
  font-size: 14px;
  font-weight: 650;
  color: #29463a;
  margin-bottom: 20px;
}
.efficiency-cases {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}
.efficiency-case + .efficiency-case {
  padding-left: 28px;
  border-left: 1px solid #c8d4c3;
}
.efficiency-case h5 { margin: 0 0 20px; font-size: 16px; color: #29463a; }
.engineering-meter { margin-top: 16px; }
.engineering-meter > span {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 4px 12px;
  font-size: 12px;
  color: #435b4b;
}
.engineering-meter > i {
  display: block;
  height: 9px;
  background: #dbe3d6;
  border-radius: 2px;
  margin-top: 7px;
}
.engineering-meter em { display: block; height: 100%; background: #5c8368; border-radius: 2px; }
.engineering-meter.demand em { background: #b87957; }
.efficiency-loads { font-size: 11px; color: #5c7162; margin-top: 10px; }
.efficiency-result { margin: 22px 0 0; color: #34674c; }
.efficiency-result strong { display: block; font: 450 38px/1.15 Newsreader, Georgia, serif; }
.efficiency-result span { display: block; font-size: 12px; margin-top: 5px; }
.efficiency-result.negative { color: #a34f31; }
.pulse-turnaround {
  display: grid;
  grid-template-columns: 1fr 2.3fr 1fr;
  align-items: stretch;
  gap: 28px;
}
.pulse-shot {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  background: #ece0cd;
  border-radius: 5px;
  color: #835232;
  text-align: center;
  padding: 18px 12px;
  font-size: 13px;
}
.pulse-shot > span { font-size: 36px; line-height: 1; color: #b57445; }
.pulse-reset {
  position: relative;
  padding: 16px 20px;
  background: #fffdf7;
  border: 1px solid #cbd6c4;
  border-radius: 5px;
  color: #3d5b47;
  font-size: 13px;
}
.pulse-reset::before,
.pulse-reset::after { position: absolute; top: 50%; transform: translateY(-50%); width: 28px; text-align: center; content: "→"; font-size: 20px; }
.pulse-reset::before { right: 100%; }
.pulse-reset::after { left: 100%; }
.pulse-reset ul { margin: 10px 0 0; padding-left: 18px; line-height: 1.8; }
.inventory-key { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 11px; line-height: 1.5; color: #3f5b49; }
.inventory-key span { display: flex; align-items: center; gap: 6px; }
.inventory-key i { width: 18px; border-top: 3px solid #477f63; }
.inventory-key span + span i { border-color: #ac593b; border-top-style: dashed; }
.fuel-inventory svg { display: block; width: 100%; height: auto; margin-top: 10px; }
.engineering-proof {
  border-top: 1px solid #d0dace;
  padding-top: 16px;
  margin-top: 28px;
}
.engineering-proof > summary { font-size: 13px; font-weight: 600; color: #36533f; }
@media (max-width: 900px) {
  .engineering-aside { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .engineering-art { width: 100%; max-width: 480px; }
}
@media (max-width: 600px) {
  .engineering-example { padding: 16px 12px; }
  .fuel-inventory svg text { font-size: 20px; }
  .efficiency-cases { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .efficiency-case + .efficiency-case { padding: 22px 0 0; border-left: 0; border-top: 1px solid #c8d4c3; }
  .pulse-turnaround { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .pulse-shot { padding: 12px; flex-direction: row; }
  .pulse-shot > span { font-size: 27px; }
  .pulse-reset::before,
  .pulse-reset::after { content: "↓"; top: auto; left: 50%; right: auto; transform: translateX(-50%); height: 24px; line-height: 24px; }
  .pulse-reset::before { bottom: 100%; }
  .pulse-reset::after { top: 100%; }
}
.risk-check {
  margin-top: 24px;
}
.risk-check + .risk-check {
  border-top: 1px solid #dce2d8;
  padding-top: 22px;
}
.risk-check h5 {
  font-family: Inter, sans-serif;
  font-size: 14px;
  font-weight: 650;
  margin: 0 0 8px;
}
.risk-check p {
  font-size: 14px;
  line-height: 1.8;
  color: #52665c;
  margin: 0;
}
.risk-references {
  margin-top: 22px;
}
.risk-references summary {
  cursor: pointer;
  width: fit-content;
  font-size: 12px;
  color: #52665c;
  padding: 8px 0;
}
.risk-references .citation {
  margin-top: 8px;
}
.section.sources-section {
  padding-top: 36px;
  padding-bottom: 36px;
  background: #e9ede7;
  border-top: 1px solid #d1dacd;
}
.sources-disclosure > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 60px;
  cursor: pointer;
  list-style: none;
}
.sources-disclosure > summary::-webkit-details-marker {
  display: none;
}
.sources-disclosure > summary h2 {
  font-size: clamp(28px, 3.2vw, 40px);
}
.disclosure-mark {
  flex-shrink: 0;
  font-size: 24px;
  color: #52665c;
}
.disclosure-mark::before {
  content: "+";
}
.sources-disclosure[open] .disclosure-mark::before {
  content: "−";
}
.section-disclosure > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 44px;
  list-style: none;
  border-radius: 3px;
}
.section-disclosure > summary::-webkit-details-marker {
  display: none;
}
.section-disclosure > summary h3 {
  margin: 0;
  font-size: clamp(28px, 3vw, 32px);
  line-height: 1.2;
}
.section-disclosure[open] > summary {
  margin-bottom: 20px;
}
.section-disclosure > summary .disclosure-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid #a5b5a9;
  border-radius: 50%;
  color: #365544;
  font-size: 22px;
  line-height: 1;
}
.section-disclosure[open] > summary .disclosure-mark::before {
  content: "−";
}
.section-disclosure > summary:hover .disclosure-mark {
  background: #dfe8dc;
  border-color: #526d5b;
}
.history-teaser.section-disclosure {
  padding: 26px;
  border: 1px solid #cbd5c7;
  border-radius: 6px;
  background: #fffef9;
}
.sources-content {
  padding-top: 24px;
}
.sources-content > p {
  font-size: 14px;
  line-height: 1.8;
  color: #52665c;
}
.sources-content .sources-snapshot {
  font-size: 12px;
}
.sources-content h3 {
  font-size: 25px;
  margin: 32px 0 16px;
}
.sources-downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 20px;
  font-size: 13px;
}
.methodology-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 65px;
  margin-bottom: 40px;
}
.methodology-grid h3 {
  font-size: 26px;
  margin-bottom: 20px;
}
.methodology-grid p {
  font-size: 12px;
  color: #52665c;
}
.methodology-grid .badge {
  margin-right: 6px;
}
.text-link {
  display: inline-block;
  margin: 20px 22px 0 0;
  font-size: 12px;
}
.source-search {
  margin-bottom: 24px;
}
.source-search input {
  margin-top: 6px;
}
#source-list {
  border-top: 1px solid #c9d4c4;
}
#source-list > .quiet {
  padding: 14px 0;
  font-size: 12px;
}
.source-row {
  border-bottom: 1px solid #d2dbce;
  padding: 16px 0;
  overflow-wrap: anywhere;
}
.source-row .source-meta {
  display: block;
  margin-bottom: 5px;
  font-size: 11px;
  color: #52665c;
}
.source-row a {
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}
.source-row button {
  border: 0;
  border-radius: 0;
  padding: 0 6px;
  margin-left: 6px;
  min-height: 32px;
  font-size: 12px;
  color: #52665c;
  text-decoration: underline;
  text-underline-offset: 3px;
}
#show-all-sources {
  margin-top: 20px;
}

footer {
  padding-top: 35px;
  padding-bottom: 35px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
footer p,
footer > span {
  font-size: 10px;
  color: #52665c;
}
dialog {
  border: 1px solid #9bada1;
  padding: 0;
  background: #f9faf5;
  color: #233b38;
  border-radius: 6px;
  width: min(900px, 94vw);
  max-height: 89vh;
  box-shadow: 0 20px 120px #0005;
}
dialog::backdrop {
  background: #101c29aa;
  backdrop-filter: blur(3px);
}
.dialog-toolbar {
  position: sticky;
  top: 0;
  background: #f9faf5;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  padding: 15px 25px;
  border-bottom: 1px solid #d1d9cd;
  align-items: center;
}
.dialog-toolbar > span {
  font-size: 10px;
  letter-spacing: 0.1em;
}
.dialog-toolbar button {
  background: #29473b;
  border-color: #29473b;
  color: #fffef9;
  font-size: 12px;
  font-weight: 650;
}
.dialog-toolbar button:hover {
  background: #1e382e;
  border-color: #1e382e;
}
:is(#dialog-content, #source-content) {
  padding: 30px;
}
:is(#dialog-content, #source-content) h2 {
  font-size: 43px;
  margin-bottom: 20px;
}
:is(#dialog-content, #source-content) h3 {
  font-size: 27px;
  margin: 30px 0 15px;
}
:is(#dialog-content, #source-content) p {
  font-size: 13px;
  line-height: 1.8;
}
:is(#dialog-content, #source-content) ul {
  padding-left: 20px;
  font-size: 13px;
}
:is(#dialog-content, #source-content) li {
  margin-bottom: 15px;
}
:is(#dialog-content, #source-content) .ledger {
  padding: 18px 0;
  border-bottom: 1px solid #cdd8c9;
}
:is(#dialog-content, #source-content) .ledger p {
  margin: 8px 0;
}
.detail-meta {
  font-size: 10px;
  color: #52665c;
  margin-bottom: 15px;
}
.entity-reactor-type {
  display: inline-flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 10px;
  margin: 0 0 16px;
  padding: 6px 10px;
  border: 1px solid #ccd7c9;
  border-radius: 4px;
  background: #e7ece3;
  color: #253e32;
}
.entity-reactor-type span {
  color: #52665c;
  font-size: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.entity-reactor-type strong {
  font-size: 14px;
}
.fuel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.fuel-name {
  font-family: Inter, Arial, sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: normal;
}
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(var(--columns, 3), minmax(0, 1fr));
  gap: 20px;
}
.comparison-grid h3 {
  font-size: 23px !important;
}
.comparison-grid p {
  font-size: 11px !important;
}
.comparison-grid .ledger {
  font-size: 11px;
}
.comparison-grid h4 {
  margin-top: 20px;
  font-size: 11px;
}
.history-event {
  border-left: 1px solid #b3c5b3;
  padding: 0 0 25px 25px;
  margin-left: 8px;
  position: relative;
}
.history-event:before {
  content: "";
  width: 7px;
  height: 7px;
  position: absolute;
  top: 7px;
  left: -4px;
  border-radius: 50%;
  background: #617e68;
}
.history-event > strong {
  font-size: 11px;
  color: #976044;
}
.history-event h4 {
  margin-top: 5px;
}
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #1a3730;
  color: #fff;
  padding: 12px 20px;
  border-radius: 5px;
  z-index: 100;
  font-size: 12px;
  box-shadow: 0 5px 20px #0003;
  display: none;
}
.skip {
  position: fixed;
  left: 20px;
  top: -100px;
  background: #fff;
  padding: 12px;
  z-index: 100;
}
.skip:focus {
  top: 10px;
}
.world-map {
  background: #142431;
  border-radius: 5px;
  margin-bottom: 20px;
  padding: 15px;
  color: #c4d5dc;
}
.world-map > svg {
  width: 100%;
  height: auto;
}
.map-canvas {
  display: block;
  aspect-ratio: 900 / 390;
  overflow: hidden;
  touch-action: none;
  user-select: none;
}
.map-canvas.is-zoomed {
  cursor: grab;
  touch-action: none;
}
.map-canvas.is-dragging,
.map-canvas.is-dragging .map-marker {
  cursor: grabbing;
}
.map-canvas:focus-visible {
  outline: 2px solid #a5d7bd;
  outline-offset: 3px;
}
.map-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin: 14px 0;
}
.map-toolbar p {
  margin: 0;
  color: #b6cad4;
  font-size: 12px;
}
.map-toolbar p span {
  display: block;
  margin-top: 3px;
  font-size: 11px;
}
.map-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}
.map-controls button {
  min-width: 44px;
  min-height: 44px;
  padding: 7px 12px;
  background: #1b3342;
  border-color: #597581;
  color: #edf2ef;
  font-size: 22px;
  line-height: 1;
}
.map-controls [data-map-reset] {
  margin-left: 6px;
  font-size: 12px;
}
.map-controls button:hover:not(:disabled) {
  background: #2e4c5d;
}
.map-controls button:disabled {
  opacity: .4;
  cursor: default;
}
.map-zoom-level {
  min-width: 3em;
  color: #edf2ef;
  font-size: 12px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.world-map > .quiet {
  color: #a8bbc5;
}
.map-marker {
  cursor: pointer;
}
.map-marker:focus {
  outline: none;
  stroke: #fff;
  stroke-width: 3;
}
.map-key {
  padding: 14px 16px;
  margin-bottom: 10px;
  border: 1px solid #4b6470;
  border-radius: 5px;
  background: #1b3342;
  color: #edf2ef;
}
.map-key-items {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}
.map-key-items > span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  line-height: 1.4;
}
.map-key-items svg {
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
}
.map-key-count { font-variant-numeric: tabular-nums; }
.map-key-empty { color: #9bafb9; }
.map-key-empty svg { opacity: .5; }
.map-key-note {
  margin: 12px 0 0;
  color: #b5c6cf;
  font-size: 11px;
  line-height: 1.6;
}
.site-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-height: 450px;
  overflow: auto;
}
.site-row {
  background: #f9faf5;
  padding: 17px;
  font-size: 11px;
  border: 1px solid #cad4c5;
  border-radius: 4px;
}
.site-row button {
  border: 0;
  padding: 0;
  text-align: left;
  font-weight: 600;
}
.site-row p {
  font-size: 10px;
  color: #66786c;
}
.site-row.selected {
  outline: 2px solid #b15c35;
  outline-offset: -2px;
}
.map-popup {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px;
  font-size: 12px;
  padding: 10px;
  min-height: 40px;
}
.map-popup > p {
  flex-basis: 100%;
  margin: 0;
}
.map-popup > button {
  max-width: 100%;
  white-space: normal;
  text-align: left;
}
.table-scroll .data-table {
  min-width: 680px;
}
body:has(dialog[open]) {
  overflow: hidden;
}
[hidden] {
  display: none !important;
}
/* Compact the desktop chapter layout without scaling its contents. */
@media (min-width: 1051px) {
  main > .section:not(.sources-section) {
    padding-top: 80px;
    padding-bottom: 80px;
  }
  .hero {
    padding-top: 50px;
    padding-bottom: 50px;
    min-height: 640px;
  }
  .section-heading h2 {
    font-size: clamp(36px, 4.05vw, 58.5px);
  }
}
@media (min-width: 1450px) {
  .wrap {
    max-width: 1400px;
  }
  .hero {
    min-height: 700px;
  }
  .hero-figure #hero-machine {
    min-height: 370px;
  }
}
@media (max-width: 1050px) {
  .wrap {
    padding-left: 30px;
    padding-right: 30px;
  }
  .site-header {
    height: auto;
    padding: 10px 25px 0;
    gap: 4px 24px;
    flex-wrap: wrap;
  }
  .site-header nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }
  .site-header nav a {
    padding: 10px 0 12px;
  }
  html {
    scroll-padding-top: 140px;
  }
  .hero {
    min-height: 640px;
    gap: 20px;
  }
  .hero-figure {
    padding: 20px 15px;
  }
  h1 {
    font-size: clamp(48px, 6.4vw, 66px);
  }
  .hero-deck {
    font-size: 18px;
  }
  .calculator-heading {
    align-items: start;
    flex-direction: column;
  }
  .calculator-grid {
    gap: 35px;
  }
  .filters {
    grid-template-columns: repeat(3, 1fr);
  }
  .entity-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .machine-workbench {
    grid-template-columns: 1.4fr 1fr;
  }
  .machine-explanation {
    padding: 23px;
  }
  .machine-main {
    padding: 15px;
  }
  .machine-main svg {
    min-height: 260px;
  }
  .machine-topline {
    align-items: start;
    gap: 10px;
  }
  .section {
    padding-top: 75px;
    padding-bottom: 75px;
  }
  .atlas-topline {
    align-items: start;
    flex-direction: column;
    gap: 20px;
  }
  .site-list {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 700px) {
  html {
    scroll-padding-top: 140px;
  }
  .site-header {
    height: auto;
    padding: 10px 18px 0;
    gap: 4px;
    flex-wrap: wrap;
  }
  .brand {
    font-size: 11px;
    letter-spacing: 0.06em;
  }
  .brand-icon {
    font-size: 20px;
    margin-right: 3px;
  }
  .site-header nav {
    order: 3;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0 12px;
    font-size: 12px;
    white-space: nowrap;
  }
  .site-header nav a {
    padding: 10px 0 12px;
  }

  .wrap {
    padding-left: 22px;
    padding-right: 22px;
  }
  .hero {
    padding-top: 45px;
    padding-bottom: 35px;
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .hero .eyebrow {
    font-size: 10px;
    margin-bottom: 20px;
  }
  h1 {
    font-size: clamp(48px, 16vw, 72px);
  }
  .hero-deck {
    font-size: 19px;
    margin-top: 20px;
  }

  .snapshot {
    margin-top: 30px;
  }
  .hero-figure #hero-machine {
    min-height: 200px;
    margin: 12px -10px 0;
  }
  .hero-figure figcaption {
    font-size: 10px;
  }
  .hero-figure {
    padding: 18px;
  }
  .figure-top {
    font-size: 7px;
  }
  .section {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  .section-heading {
    margin-bottom: 30px;
  }
  .section-heading > p:not(.eyebrow) {
    font-size: 14px;
    margin-top: 18px;
  }
  .eyebrow {
    font-size: 10px;
    margin-bottom: 15px;
  }
  h2 {
    font-size: 44px;
  }
  .reaction-layout {
    grid-template-columns: 1fr;
  }
  .reaction-visual {
    padding: 18px;
  }
  .reaction-steps {
    border-left: 0;
    border-top: 1px solid #cbd2cc;
    grid-template-columns: 1fr 1fr;
  }
  .reaction-step {
    padding: 12px;
    gap: 6px;
    grid-template-columns: 16px 1fr;
    border-right: 1px solid #d8ded4;
  }
  .reaction-step .step-title {
    font-size: 13px;
  }
  .reaction-step .step-description {
    display: none;
  }
  .reaction-step.active {
    box-shadow: inset 0 3px #416958;
  }
  .reaction-caption {
    font-size: 14px;
    min-height: 125px;
  }
  .fusion-fuels {
    padding: 20px;
  }
  .fusion-fuels h3 {
    font-size: 30px;
  }
  .machine-workbench {
    grid-template-columns: 1fr;
  }
  .machine-main {
    padding: 16px 10px;
  }
  .machine-main svg {
    min-height: 220px;
  }
  .machine-explanation {
    padding: 23px;
  }
  .machine-explanation h3 {
    font-size: 34px;
  }
  .machine-compare-grid {
    grid-template-columns: 1fr;
  }
  .machine-compare-grid > div:last-child {
    padding-top: 0;
  }
  .machine-compare-grid svg {
    min-height: 220px;
  }
  .boundaries > summary,
  #boundary-panel {
    padding: 20px 15px;
  }
  .boundary-tabs {
    padding: 0 10px;
  }
  .boundary-tabs button {
    font-size: 10px;
    padding: 7px 10px;
  }
  #boundary-visual svg {
    min-width: 0;
  }
  .boundary-caption {
    grid-template-columns: 1fr;
    gap: 10px;
    font-size: 12px;
  }
  .boundary-caption h3 {
    font-size: 25px;
  }
  .boundary-example {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .boundary-example h4 {
    font-size: 24px;
  }
  .calculator,
  .experimental-results {
    padding: 20px 16px;
  }
  .calculator > summary h3 {
    font-size: 29px;
  }
  .segmented {
    width: 100%;
  }
  .segmented button {
    flex: 1;
    min-height: 44px;
    padding: 8px 6px;
    font-size: 11px;
  }
  .calculator-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .calc-controls {
    gap: 20px;
  }
  .calc-result {
    padding: 22px;
  }
  #net-number {
    font-size: 66px;
  }
  .calc-footer {
    flex-wrap: wrap;
  }
  .calc-footer p {
    flex-basis: 100%;
    font-size: 10px;
  }
  .calc-footer button {
    font-size: 10px;
  }
  .record-layout {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .record-layout aside {
    border-left: 0;
    border-top: 1px solid #cbd4c9;
    padding: 25px 0 0;
  }
  .record-layout aside p {
    font-size: 12px;
  }
  .data-table {
    font-size: 10px;
  }
  .data-table td,
  .data-table th {
    padding: 10px 7px;
  }
  .experimental-results > summary h3 {
    font-size: 30px;
  }
  .atlas-topline {
    gap: 17px;
  }
  #atlas-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    width: 100%;
    font-size: 11px;
  }
  #atlas-stats > span {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  #atlas-stats b {
    margin: 0;
    font-size: 28px;
    line-height: 1;
  }
  .filters {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .filters .search-label {
    grid-column: 1 / -1;
  }
  .filters label {
    font-size: 10px;
  }
  .entity-grid {
    grid-template-columns: 1fr;
  }
  .entity-card {
    padding: 22px;
  }
  .entity-card > p {
    min-height: 0;
  }
  .entity-card h3 {
    margin-top: 17px;
  }
  .entity-card .card-evidence p {
    font-size: 12px;
  }
  .entity-card .card-bottom {
    font-size: 10px;
  }
  .risk-group {
    grid-template-columns: minmax(0, 1fr);
  }
  .risk-heading,
  .risk-panel {
    grid-column: 1;
    grid-row: auto;
  }
  .risk-toggle {
    font-size: 25px;
    min-height: 80px;
  }
  .risk-panel {
    padding: 22px 20px;
  }
  .risk-panel .risk-question {
    font-size: 17px;
  }
  .risk-references summary {
    min-height: 44px;
  }
  .methodology-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  footer {
    flex-wrap: wrap;
    gap: 12px;
  }
  footer > span {
    width: 100%;
    font-size: 10px;
  }
  :is(#dialog-content, #source-content) {
    padding: 23px 18px;
  }
  :is(#dialog-content, #source-content) h2 {
    font-size: 35px;
  }
  .dialog-toolbar {
    padding: 12px 18px;
  }
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  .comparison-grid > article {
    border-bottom: 1px solid #bdcdb9;
    padding-bottom: 25px;
  }
  .fuel-grid {
    grid-template-columns: 1fr;
  }
  #comparison-tray {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .site-list {
    grid-template-columns: 1fr;
  }
  .map-key {
    gap: 10px;
    font-size: 10px;
  }
  .funding-filters {
    flex-wrap: wrap;
  }
  .funding-filters label {
    min-width: 130px;
    flex: 1;
  }
  .world-map {
    padding: 8px;
  }
  .map-popup {
    font-size: 11px;
  }
  .step-controls {
    gap: 8px;
  }
  .step-controls .play {
    font-size: 10px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
}
.badge.neutral {
  color: #63716c;
  border-color: #adb9ae;
  background: #eef1eb;
}
.entity-card .detail-meta {
  font-size: 10px;
  margin-top: 7px;
}
@media (max-width: 700px) {
  h1 {
    font-size: 58px;
  }
  .hero .hero-deck {
    font-size: 18px;
  }
  .hero-figure {
    margin-top: 0;
  }
  .dark-controls {
    gap: 5px;
  }
  .dark-controls > button {
    padding: 5px 9px;
  }
}
.history-teaser {
  margin-top: 40px;
}
#history-milestones {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid #bdcaba;
}
#history-milestones article {
  padding: 20px 17px 0 0;
  position: relative;
}
#history-milestones article:before {
  content: "";
  position: absolute;
  left: 0;
  top: -4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #69856c;
}
#history-milestones span {
  font-family: Newsreader, Georgia, serif;
  font-size: 25px;
  color: #8f4c33;
}
#history-milestones h4 {
  font-size: 11px;
  font-weight: 550;
  line-height: 1.7;
  margin-top: 8px;
}
#history-milestones p {
  font-size: 10px;
  color: #52665c;
  margin-top: 6px;
}
.history-event.planned {
  border-left-style: dashed;
}
.snapshot-divider {
  border-top: 2px dashed #b4bca7;
  padding-top: 25px;
}
@media (max-width: 700px) {
  .history-teaser.section-disclosure {
    padding: 20px 16px;
  }
  #history-milestones {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 22px;
  }
  #history-milestones h4 {
    font-size: 12px;
  }
}

/* Reading and keyboard navigation across the full atlas. */
.site-header nav a {
  border-bottom: 2px solid transparent;
}
.site-header nav a[aria-current="location"] {
  color: #95472a;
  border-bottom-color: #95472a;
}
.reference {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  margin: 2px 8px 2px 0;
  gap: 3px;
}
.reference .source-link {
  font-size: 11px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}
.reference .source-info {
  min-width: 28px;
  min-height: 28px;
  padding: 3px;
  font-size: 13px;
  flex-shrink: 0;
}
#source-dialog {
  width: min(720px, 94vw);
}
#source-content {
  overflow-wrap: anywhere;
}
input[type="range"] {
  min-height: 28px;
}
.table-scroll:focus-visible,
canvas:focus-visible {
  outline: 3px solid #ce663b;
  outline-offset: -3px;
}
#reaction-scene svg,
#machine-diagram svg {
  animation: diagram-enter 240ms ease-out;
}
@keyframes diagram-enter {
  from {
    opacity: 0.4;
  }
  to {
    opacity: 1;
  }
}
@media (prefers-reduced-motion: reduce) {
  #reaction-scene svg,
  #machine-diagram svg {
    animation: none;
  }
}
@media (max-width: 700px) {
  .site-header .byline {
    padding: 8px;
    font-size: 10px;
  }
  .reference .source-link {
    font-size: 11px;
  }
  .step-controls button,
  .source-row button,
  .entity-chips button {
    min-height: 44px;
  }
  .snapshot,
  .snapshot > span,
  .hero .eyebrow,
  .eyebrow {
    font-size: 10px;
  }
  .calc-footer p,
  .model-notes p,
  .funding-note,
  .site-note {
    font-size: 12px;
  }
  .slider-row label,
  .slider-row output {
    font-size: 12px;
  }
  input[type="range"] {
    min-height: 36px;
  }
  input[type="search"],
  select {
    font-size: 16px;
  }
}
/* One plant context, with the measured input and output highlighted per tab. */
.energy-overview {
  border: 1px solid #c6d0c3;
  border-radius: 8px;
  padding: 18px;
  background: #fbfbf5;
}
.energy-overview-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 24px;
  color: #304c45;
  font-size: 13px;
}
.energy-key {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 11px;
}
.energy-key span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.energy-key i {
  display: inline-block;
  width: 18px;
  border-top: 4px solid currentColor;
}
.energy-key .gain-context i { border-top-width: 2px; }
.gain-input { color: #a45330; }
.gain-output { color: #176344; }
.gain-context { color: #68716d; }
#boundary-visual .energy-scene {
  display: block;
  width: 100%;
  min-width: 0;
  height: auto;
  font-family: Inter, Arial, sans-serif;
  fill: #304c45;
}
#boundary-visual .energy-scene-mobile { display: none; }
.energy-path {
  fill: none;
  stroke: currentColor;
  stroke-width: 4.75;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.energy-path.gain-context {
  stroke-width: 2;
  stroke: #929896;
}
.energy-loss { stroke-dasharray: 4 5; }
.energy-callout {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-dasharray: 3 3;
}
.energy-component { font-size: 16px; font-weight: 600; }
.energy-flow-label { fill: currentColor; font-size: 14px; font-weight: 550; }
.energy-small { fill: #617468; font-size: 13px; }
.energy-art-label { fill: #703f23; font-size: 12px; font-weight: 650; }
.energy-measurement {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.energy-measurement > span {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-left: 3px solid currentColor;
  background: #f3e8de;
  font-size: 13px;
  line-height: 1.5;
}
.energy-measurement > .gain-output { background: #e5eee6; }
.energy-measurement b { font-size: 10px; letter-spacing: .06em; }
.energy-overview figcaption {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.65;
  color: #465d50;
}
.energy-overview .energy-schematic-note {
  margin-top: 8px;
  font-size: 11px;
  line-height: 1.6;
  color: #617468;
}
@media (max-width: 700px) {
  .boundary-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .boundary-tabs button {
    font-size: 12px;
    min-height: 44px;
  }
  .boundary-tabs button:last-child {
    grid-column: 1 / -1;
  }
  .energy-overview { padding: 12px 8px; }
  .energy-overview-heading { gap: 12px; }
  .energy-key { gap: 8px 12px; }
  #boundary-visual .energy-scene-wide { display: none; }
  #boundary-visual .energy-scene-mobile { display: block; }
  .energy-measurement { grid-template-columns: 1fr; }

}

.reaction-step .step-title,
.reaction-step .step-description {
  display: block;
}
@media (max-width: 700px) {
  .reaction-step .step-description {
    display: none;
  }
}
.glossary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 30px;
}
@media (max-width: 700px) {
  .glossary-grid {
    grid-template-columns: 1fr;
  }
}

.record-layout > div {
  min-width: 0;
}

.expanded-cycle {
  background: #101c29;
  border-radius: 6px;
  margin: 24px 0;
  padding: 12px;
}
.expanded-cycle svg {
  display: block;
  width: 100%;
  max-height: 65vh;
}
dialog:has(.expanded-overview) {
  width: min(1140px, 94vw);
}
.expanded-overview {
  overflow-x: auto;
}
.expanded-overview svg {
  min-width: 760px;
  max-height: none;
}
.overview-scroll-hint {
  display: none;
}
@media (max-width: 850px) {
  .overview-scroll-hint {
    display: block;
    font-size: 12px;
    color: #53676b;
  }
}

.quiet {
  font-size: 12px;
}
.reactor-citations button.source-info {
  color: #b8ced9;
}

/* Headings use the available width and wrap only when the viewport requires it. */
h1 {
  max-width: none;
  text-wrap: wrap;
}
h2 {
  text-wrap: wrap;
}
.hero-deck {
  max-width: none;
}
.reaction-caption h3 {
  font-family: inherit;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.4;
  margin: 0 0 8px;
}
.reaction-caption p {
  margin: 0;
}

/* Motion describes energy transfer; machine symbols remain mechanically stable. */
@keyframes cycle-transfer {
  to {
    stroke-dashoffset: -24;
  }
}
#reaction-scene.playing .cycle-flow {
  stroke-dasharray: 7 5;
  animation: cycle-transfer 1.4s linear infinite;
}
@media (prefers-reduced-motion: reduce) {
  #reaction-scene.playing .cycle-flow {
    animation: none;
    stroke-dasharray: none;
  }
}

/* Keep the main task visible; secondary explanation and filters open on request. */
#learn {
  border-top: 1px solid #d6d9d1;
}
.reaction-step {
  align-items: center;
  min-height: 66px;
}
.reaction-step .step-title {
  font-size: 14px;
  font-weight: 600;
}
.reaction-step .number {
  padding: 0;
}
.reaction-caption {
  font-size: 14px;
  line-height: 1.75;
}
#calc-context > strong {
  display: block;
  margin-bottom: 5px;
}
.record-layout:has(#nif-record-note[hidden]) {
  grid-template-columns: minmax(0, 1fr);
}
#record-table {
  margin-top: 24px;
  min-width: 0;
}
.atlas-primary-filters {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 16px;
}
.atlas-primary-filters label,
.atlas-primary-filters select,
.atlas-primary-filters input {
  min-width: 0;
  width: 100%;
}
.atlas-primary-filters select:disabled {
  color: #647168;
  background: #e5eae1;
  cursor: default;
}
#atlas-more-filters {
  margin-top: 10px;
}
#atlas-more-filters > summary {
  width: fit-content;
  cursor: pointer;
  font-size: 12px;
  color: #405a4c;
  padding: 10px 0;
}
#atlas-more-filters .filters {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 10px 0 0;
}
@media (max-width: 700px) {
  .atlas-primary-filters {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }
  #atlas-more-filters .filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  #atlas-more-filters > summary {
    min-height: 44px;
  }
  .reaction-step .step-title {
    font-size: 13px;
  }
}

.mass-calculation {
  margin-top: 16px;
  font-size: 12px;
  line-height: 1.7;
}
.mass-calculation summary {
  cursor: pointer;
  color: #3d614e;
}
.mass-calculation p {
  margin: 12px 0;
  font-size: 12px;
}
.source-context {
  margin: 24px 0;
  padding: 20px;
  background: #eef2e7;
  border-radius: 5px;
}
.source-context h3 {
  font-size: 22px;
  margin-bottom: 12px;
}
.source-context p {
  margin: 0;
}

.boundary-caption p {
  margin-top: 14px;
  line-height: 1.8;
}

/* A compact overview leads into the four ways to explore the same records. */
.approach-overview {
  margin-bottom: 30px;
  padding: 24px;
  background: #eef1e7;
  border: 1px solid #c6d0c1;
  border-radius: 6px;
}
.approach-overview h3 {
  font-size: 30px;
}
#approach-overview-count,
.approach-overview-note {
  font-size: 12px;
  color: #52655a;
}
#approach-overview-count {
  margin-bottom: 16px;
}
.approach-overview-note {
  margin-top: 18px;
  line-height: 1.7;
}
.approach-chart {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px 24px;
}
.approach-chart button {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(36px, 1fr) 20px;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 6px 8px;
  border: 1px solid transparent;
  text-align: left;
  font-size: 12px;
  line-height: 1.35;
}
.approach-chart button:hover,
.approach-chart button[aria-pressed="true"] {
  background: #dce8dc;
  border-color: #8da492;
}
.approach-bar-track {
  height: 8px;
  background: #d6dfd1;
  border-radius: 2px;
}
.approach-bar-track > span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: #547b66;
}
.approach-chart strong {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.atlas-views {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 22px;
}
.atlas-views button {
  min-height: 78px;
  padding: 15px 18px;
  border: 1px solid #aabbad;
  background: #f8f8f0;
  text-align: left;
}
.atlas-views strong {
  display: block;
  font-size: 15px;
  font-weight: 500;
}
.atlas-views span {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: #54665c;
  line-height: 1.5;
}
.atlas-views button:hover {
  background: #e3ebde;
  border-color: #67856f;
}
.atlas-views button.active {
  background: #294b3c;
  border-color: #294b3c;
  color: #fffdf5;
}
.atlas-views button.active span {
  color: #d5e2d6;
}
.atlas-controls {
  scroll-margin-top: 90px;
}
@media (max-width: 1000px) {
  .approach-chart {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 680px) {
  .approach-overview {
    padding: 20px 14px;
  }
  .approach-chart {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
  .approach-chart button {
    font-size: 13px;
  }
  .atlas-views {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
  .atlas-views button {
    padding: 12px;
  }
  .atlas-views strong {
    font-size: 14px;
  }
  .atlas-controls {
    scroll-margin-top: 145px;
  }
}

.energy-context {
  margin-top: 40px;
  padding: 28px;
  border: 1px solid #c6d0c1;
  border-radius: 6px;
  background: #fcfbf7;
}
.energy-context p {
  font-size: 14px;
  line-height: 1.8;
  color: #465e51;
}
.energy-demand {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  align-items: center;
  gap: 32px;
  padding-top: 28px;
  border-top: 1px solid #d4dccf;
}
.energy-context h4 {
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 600;
}
.energy-context .nuclear-comparison-intro {
  margin: 0 0 22px;
  color: #263f34;
  max-width: 850px;
}
.nuclear-comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.nuclear-comparison article {
  min-width: 0;
  border: 1px solid #d4dccf;
  border-radius: 4px;
  padding: 20px;
  background: #f1f4ed;
}
.nuclear-status {
  display: inline-block;
  margin-bottom: 12px;
  color: #355c47;
  font-size: 11px;
  font-weight: 600;
}
.nuclear-status-future {
  color: #994723;
}
.nuclear-reaction {
  display: block;
  width: 100%;
  height: auto;
  margin: 12px 0 6px;
}
.nuclear-reaction-labels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 12px;
  margin-bottom: 20px;
  color: #304f3d;
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
}
.energy-context .nuclear-caveat {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid #d4dccf;
  font-size: 12px;
}
.energy-context .nuclear-shared-route {
  margin-top: 18px;
  font-size: 13px;
}
.fusion-benefits {
  margin-top: 26px;
}
.fusion-benefits > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.fusion-benefits p + p {
  margin-top: 0;
}
.electricity-mix {
  margin: 28px 0;
  padding: 26px 0;
  border-top: 1px solid #d4dccf;
}
.electricity-mix figcaption p {
  font-size: 12px;
}
.mix-coal {
  --mix-color: #53616a;
}
.mix-gas {
  --mix-color: #b77b4c;
}
.mix-renewables {
  --mix-color: #5b8068;
}
.mix-fission {
  --mix-color: #637fa6;
}
.mix-other {
  --mix-color: #a99783;
}
.electricity-mix-bar {
  display: flex;
  height: 38px;
  overflow: hidden;
  margin: 20px 0 18px;
  border-radius: 3px;
}
.electricity-mix-bar > span {
  position: relative;
  min-width: 0;
  background: var(--mix-color);
  cursor: pointer;
}
.electricity-mix-bar > span + span {
  border-left: 2px solid #fcfbf7;
}
.electricity-mix-legend {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.electricity-mix-legend button {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  height: 100%;
  padding: 8px 10px 10px 38px;
  border: 0;
  text-align: left;
  font-size: 12px;
  color: #304f3d;
}
.electricity-mix-legend button::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 10px;
  width: 18px;
  height: 18px;
  border-radius: 3px;
  background: var(--mix-color);
}
.electricity-mix.is-highlighting .electricity-mix-bar > span:not(.is-active) {
  opacity: 0.25;
}
.electricity-mix-bar > span.is-active {
  outline: 2px solid #263f34;
  outline-offset: -2px;
}
.electricity-mix-legend button.is-active {
  background: #e7ede2;
  box-shadow: inset 0 0 0 2px var(--mix-color);
}
.electricity-mix-legend strong,
.electricity-mix-legend span,
.electricity-mix-legend small {
  display: block;
}
.electricity-mix-legend strong {
  font-size: 22px;
  line-height: 1.3;
  font-weight: 550;
  margin-bottom: 5px;
  font-variant-numeric: tabular-nums;
}
.electricity-mix-legend small {
  margin-top: 4px;
  font-size: 11px;
  color: #576c60;
}
.renewable-hydro {
  --renewable-color: #4f86a0;
}
.renewable-wind {
  --renewable-color: #66977e;
}
.renewable-solar {
  --renewable-color: #c49643;
}
.renewable-other {
  --renewable-color: #817d9b;
}
.renewables-segments {
  position: absolute;
  inset: 0;
  display: flex;
  opacity: 0;
  pointer-events: none;
}
.mix-renewables.is-active .renewables-segments {
  opacity: 1;
}
.renewables-segments > span {
  background: var(--renewable-color);
}
.renewables-segments > span + span {
  border-left: 1px solid #fcfbf7;
}
.renewables-breakdown {
  margin-top: 14px;
  padding: 16px 18px;
  border: 1px solid #b9cbb6;
  border-radius: 4px;
  background: #f1f4ed;
}
.renewables-breakdown > p:first-child {
  font-size: 12px;
}
.renewables-breakdown ul {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 14px 0;
}
.renewables-breakdown li {
  border-left: 4px solid var(--renewable-color);
  padding-left: 10px;
  font-size: 12px;
  color: #304f3d;
}
.renewables-breakdown li strong {
  display: block;
  font-size: 20px;
  font-weight: 550;
  font-variant-numeric: tabular-nums;
}
.energy-context .fusion-mix-note {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin: 20px 0 12px;
  padding: 12px 16px;
  border: 1px dashed #acbca7;
  border-radius: 3px;
  font-size: 12px;
}
.fusion-mix-note strong {
  font-size: 14px;
  color: #304f3d;
}
.energy-context .energy-chart-source {
  font-size: 11px;
  line-height: 1.8;
  color: #576c60;
}
.energy-demand-chart {
  padding: 22px;
  border: 1px solid #d4dccf;
  border-radius: 4px;
  background: #f1f4ed;
}
.energy-demand-chart figcaption {
  font-size: 12px;
  font-weight: 600;
  color: #304f3d;
  margin-bottom: 20px;
}
.energy-demand-row + .energy-demand-row {
  margin-top: 18px;
}
.energy-demand-label {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 7px;
  font-size: 12px;
  color: #304f3d;
}
.energy-demand-label > span {
  font-size: 11px;
  color: #576c60;
}
.energy-demand-label > b {
  margin-left: auto;
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.energy-demand-label small {
  font-size: 10px;
  font-weight: 400;
}
.energy-demand-track {
  height: 22px;
  background: #e1e7db;
  border-left: 1px solid #71846e;
  border-right: 1px solid #acbca7;
}
.energy-demand-track > span {
  display: block;
  height: 100%;
  background: #5b8068;
}
.energy-demand-projection .energy-demand-track > span {
  border: 1px solid #5b8068;
  background: repeating-linear-gradient(135deg, #c4d4c4 0 4px, #edf2e8 4px 8px);
}
.energy-demand-axis {
  display: flex;
  justify-content: space-between;
  margin: 6px 0 16px;
  font-size: 10px;
  color: #576c60;
}
.energy-comparison {
  margin-top: 26px;
  border-top: 1px solid #d4dccf;
}
.energy-comparison > summary,
.energy-context-sources > summary {
  min-height: 48px;
  padding: 14px 0;
  cursor: pointer;
  color: #304f3d;
  font-size: 14px;
}
.energy-comparison > p {
  margin: 0 0 18px;
}
.energy-comparison-table {
  width: 100%;
  min-width: 650px;
  border-collapse: collapse;
  font-size: 13px;
  line-height: 1.65;
}
.energy-comparison-table caption {
  text-align: left;
  padding: 0 0 14px;
  color: #53695b;
  font-size: 12px;
}
.energy-table-hint {
  display: none;
}
.energy-comparison-table th,
.energy-comparison-table td {
  padding: 14px 16px;
  border-bottom: 1px solid #d6ddd1;
  text-align: left;
  vertical-align: top;
}
.energy-comparison-table thead {
  background: #e7ede2;
}
.energy-comparison-table thead th {
  font-size: 11px;
  font-weight: 600;
}
.energy-comparison-table tbody th {
  width: 17%;
  font-weight: 600;
  color: #2a4d3a;
}
.energy-comparison-table td {
  width: 41.5%;
  color: #465e51;
}
.energy-comparison-table tbody tr:first-child {
  background: #f0f4eb;
}
.energy-context-sources {
  border-top: 1px solid #d4dccf;
}
.energy-context-sources > summary {
  font-size: 12px;
}
.energy-context-sources p,
.energy-context-sources li {
  font-size: 12px;
  line-height: 1.8;
}
.energy-context-sources ul {
  padding-left: 18px;
  margin: 16px 0 0;
}
.energy-context-sources li + li {
  margin-top: 9px;
}
.energy-context-sources a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
@media (max-width: 760px) {
  .energy-table-hint {
    display: block;
    margin-top: 6px;
    color: #365840;
  }
  .energy-comparison-table tbody th {
    position: sticky;
    left: 0;
    background: #fcfbf7;
    box-shadow: 1px 0 #d6ddd1;
  }
  .energy-comparison-table tbody tr:first-child th {
    background: #f0f4eb;
  }
  .energy-context {
    padding: 22px 18px;
  }
  .energy-demand {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .nuclear-comparison {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .fusion-benefits > div {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .nuclear-comparison article,
  .energy-demand-chart {
    padding: 16px;
  }
  .electricity-mix-legend {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .renewables-breakdown ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .electricity-mix-bar {
    height: 30px;
  }
  .energy-context h3 {
    font-size: 30px;
  }
}