/* Original: Basisstil */
:root {
  --ink:#112d43;
  --navy:#062238;
  --blue:#008fde;
  --blue-dark:#006da9;
  --cyan:#70d0ff;
  --paper:#f3f8fc;
  --muted:#536b7a;
  --line:#d6e2eb;
  --mint:#e8f4fc;
  --warm:#f5eee4;
  --green:#176746;
  --amber:#825311;
  --radius:18px;
  --max:1320px;
  --head:100px;
  --bar:58px
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:180px
}
body {
  margin:0;
  background:#fff;
  color:var(--ink);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:18px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased
}
a {
  color:var(--blue-dark);
  text-underline-offset:4px;
  text-decoration-thickness:1px
}
a:hover {
  text-decoration-thickness:2px
}
button,input,select,textarea {
  font:inherit
}
button,a {
  touch-action:manipulation
}
button {
  cursor:pointer
}
button:disabled {
  cursor:default
}
button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible,textarea:focus-visible {
  outline:3px solid var(--blue);
  outline-offset:4px
}
button {
  border:0
}
img {
  max-width:100%;
  height:auto
}
h1,h2,h3,h4 {
  line-height:1.12;
  letter-spacing:-.035em;
  margin:0 0 22px
}
h1 {
  font-size:clamp(49px,5.4vw,82px);
  font-weight:850;
  max-width:1000px
}
h2 {
  font-size:clamp(32px,3.2vw,47px);
  font-weight:800
}
h3 {
  font-size:27px;
  margin-top:32px;
  margin-bottom:15px
}
h4 {
  font-size:21px;
  letter-spacing:-.01em
}
p {
  margin:0 0 20px
}
strong {
  font-weight:750
}
sub,sup {
  line-height:0
}
small {
  font-size:14px
}
.wrap {
  max-width:var(--max);
  margin:auto;
  padding:0 32px
}
.skip {
  position:fixed;
  top:-100px;
  left:15px;
  z-index:999;
  background:#fff;
  padding:12px
}
.skip:focus {
  top:10px
}
.site-header {
  height:var(--head);
  position:sticky;
  top:0;
  z-index:70;
  background:#fffffff5;
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)
}
.header-inner {
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px
}
.brand {
  display:block;
  line-height:0;
  flex-shrink:0
}
.brand img {
  width:238px;
  height:74px;
  object-fit:contain
}
.header-nav {
  display:flex;
  align-items:center;
  gap:28px;
  font-size:15px;
  font-weight:700;
  line-height:1.4
}
.header-nav a {
  text-decoration:none;
  color:var(--ink)
}
.header-nav .btn {
  color:#fff
}
.btn {
  display:inline-flex;
  justify-content:center;
  align-items:center;
  gap:12px;
  min-height:49px;
  background:var(--blue-dark);
  color:#fff;
  border-radius:7px;
  padding:12px 20px;
  border:1px solid var(--blue-dark);
  font-size:15px;
  font-weight:750;
  line-height:1.35;
  text-decoration:none!important;
  transition:background .18s,transform .18s
}
.btn:hover {
  background:#055c87;
  transform:translateY(-1px)
}
.btn.outline {
  color:var(--ink);
  background:transparent;
  border-color:#a8bfcd
}
.btn.outline:hover {
  background:var(--paper)
}
.btn.small {
  font-size:13px;
  min-height:39px;
  padding:9px 14px
}
.btn.light {
  background:#fff;
  color:var(--navy);
  border-color:#fff
}
.btn.light-outline {
  color:#fff;
  border-color:#ffffff80;
  background:#06223888
}
.btn.light-outline:hover {
  background:#0c3855
}
.actions {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin:28px 0 10px
}
.eyebrow {
  font-size:12px;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.16em;
  color:var(--blue-dark);
  margin:0 0 19px;
  display:block
}
.hero {
  position:relative;
  isolation:isolate;
  background:var(--navy);
  color:#fff;
  min-height:660px;
  display:flex;
  align-items:center;
  overflow:hidden
}
.hero-bg {
  position:absolute;
  z-index:-2;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:60% 50%
}
.hero:after {
  content:'';
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(90deg,rgba(3,25,44,.96) 0%,rgba(3,25,44,.80) 47%,rgba(3,25,44,.20) 100%),linear-gradient(0deg,#062238b3,transparent 50%)
}
.hero .wrap {
  width:100%;
  padding-top:65px;
  padding-bottom:55px
}
.breadcrumbs {
  font-size:12px;
  letter-spacing:.015em;
  color:#c2d8e7;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:35px
}
.breadcrumbs a {
  color:#c2d8e7;
  text-decoration:none
}
.hero .eyebrow {
  color:var(--cyan)
}
.hero h1 .blue {
  color:var(--cyan)
}
.hero .lead {
  font-size:21px;
  line-height:1.65;
  max-width:780px;
  color:#dbe9f2;
  margin-top:25px
}
.hero-meta {
  display:flex;
  gap:12px 26px;
  flex-wrap:wrap;
  font-size:12px;
  color:#c9dce8;
  margin-top:35px
}
.hero-meta span {
  display:inline-flex;
  align-items:center;
  gap:8px
}
.hero-meta i {
  width:5px;
  height:5px;
  background:var(--cyan);
  border-radius:50%;
  display:inline-block
}
.toolbar {
  position:sticky;
  top:var(--head);
  z-index:60;
  height:var(--bar);
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 15px #06223808
}
.toolbar-inner {
  display:flex;
  height:100%;
  align-items:center;
  justify-content:space-between;
  gap:15px
}
.toolbar-links {
  display:flex;
  gap:22px;
  align-items:center;
  font-size:13px;
  font-weight:750
}
.toolbar a {
  text-decoration:none;
  color:var(--ink)
}
.toolbar button {
  color:var(--ink);
  background:transparent;
  padding:8px 10px;
  font-size:13px;
  min-height:40px
}
.toolbar-tools {
  display:flex;
  align-items:center;
  gap:8px
}
.progress {
  height:3px;
  position:absolute;
  bottom:-1px;
  left:0;
  background:var(--blue);
  width:0;
  transition:width .1s linear
}
.summary {
  background:var(--paper);
  padding:68px 0 65px;
  border-bottom:1px solid var(--line)
}
.summary-intro {
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:60px;
  align-items:start;
  margin-bottom:34px
}
.summary-intro h2 {
  font-size:40px
}
.summary-intro p {
  font-size:18px
}
.summary-cards {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px
}
.summary-card {
  background:#fff;
  border:1px solid var(--line);
  padding:26px;
  border-radius:var(--radius);
  box-shadow:0 10px 24px #112d4305
}
.summary-card .num {
  display:block;
  color:var(--blue-dark);
  font-size:12px;
  font-weight:800;
  letter-spacing:.12em;
  margin-bottom:18px
}
.summary-card h3 {
  font-size:24px;
  margin:0 0 16px
}
.summary-card p {
  font-size:15px;
  line-height:1.75;
  margin:0
}
.summary-card a {
  display:inline-block;
  margin-top:18px;
  font-size:13px;
  font-weight:750
}
.reader-layout {
  display:grid;
  grid-template-columns:245px minmax(0,1fr);
  gap:62px;
  padding-top:50px;
  padding-bottom:65px;
  align-items:start
}
.toc {
  position:sticky;
  top:185px;
  max-height:calc(100vh - 205px);
  overflow:auto;
  padding-right:13px;
  scrollbar-width:thin;
  font-size:13px;
  line-height:1.4
}
.toc .toc-title {
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
  font-weight:800;
  margin:0 0 20px
}
.toc a {
  display:flex;
  gap:10px;
  text-decoration:none;
  color:var(--muted);
  padding:10px 8px;
  border-left:2px solid transparent;
  margin:1px 0;
  border-radius:0 5px 5px 0
}
.toc a span {
  color:#8a9da9;
  min-width:22px;
  font-variant-numeric:tabular-nums
}
.toc a.active,.toc a:hover {
  color:var(--blue-dark);
  background:var(--paper);
  border-left-color:var(--blue)
}
.toc .toc-group {
  font-size:10px;
  text-transform:uppercase;
  font-weight:800;
  letter-spacing:.10em;
  color:#647a89;
  margin:23px 0 8px 8px
}
.toc .reading-tip {
  border-top:1px solid var(--line);
  margin-top:20px;
  padding:18px 8px;
  font-size:12px;
  line-height:1.65
}
.article {
  min-width:0
}
.chapter {
  padding:27px 0 54px;
  margin-bottom:26px;
  border-bottom:1px solid var(--line)
}
.chapter:last-child {
  border-bottom:0
}
.chapter .kicker {
  font-size:12px;
  letter-spacing:.13em;
  text-transform:uppercase;
  font-weight:800;
  color:var(--blue-dark);
  margin-bottom:16px;
  display:block
}
.intro {
  font-size:21px;
  line-height:1.65;
  color:#355267;
  margin-bottom:26px
}
.callout {
  padding:24px 27px;
  background:var(--paper);
  border-left:4px solid var(--blue);
  border-radius:0 12px 12px 0;
  margin:27px 0
}
.callout>p:last-child {
  margin-bottom:0
}
.callout .label {
  font-size:11px;
  letter-spacing:.11em;
  text-transform:uppercase;
  font-weight:850;
  margin-bottom:10px;
  display:block;
  color:var(--blue-dark)
}
.callout.warm {
  background:var(--warm);
  border-left-color:#a8732d
}
.callout.warm .label {
  color:var(--amber)
}
.callout.green {
  background:#eff7f2;
  border-left-color:var(--green)
}
.callout.green .label {
  color:var(--green)
}
.dark-box {
  background:var(--navy);
  color:#fff;
  padding:34px;
  border-radius:var(--radius);
  margin:30px 0
}
.dark-box h3 {
  margin-top:0;
  color:#fff
}
.dark-box p {
  color:#d2e4ef
}
.dark-box a {
  color:#86d6ff
}
.dark-box .kicker {
  color:var(--cyan)
}
.dark-box .equation {
  background:#ffffff0b;
  border-color:#ffffff35;
  color:#fff
}
.dark-box p:last-child {
  margin-bottom:0
}
.two-col {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  margin:26px 0
}
.mini-card {
  border:1px solid var(--line);
  border-radius:14px;
  padding:24px;
  min-width:0;
  background:#fff
}
.mini-card h3,.mini-card h4 {
  margin:0 0 14px;
  font-size:22px
}
.mini-card p {
  font-size:16px;
  line-height:1.75
}
.mini-card p:last-child {
  margin-bottom:0
}
.mini-card .tag {
  margin-bottom:13px
}
.q {
  white-space:nowrap;
  display:inline-block;
  background:#e8f3fa;
  color:#065a89;
  text-decoration:none;
  font-size:11px;
  font-weight:800;
  line-height:1.9;
  padding:0 6px;
  border-radius:4px;
  vertical-align:2px;
  margin:0 1px;
  letter-spacing:0
}
.q:hover {
  background:#d5eaf6
}
.tag {
  display:inline-block;
  font-size:10px;
  line-height:1.6;
  padding:4px 8px;
  border-radius:5px;
  letter-spacing:.055em;
  text-transform:uppercase;
  font-weight:800;
  background:#e8f4fc;
  color:#0c5d85
}
.tag.source {
  background:#f1e9da;
  color:#704e1b
}
.tag.known {
  background:#e7f1eb;
  color:#1c6145
}
.tag.problem {
  background:#f6e9e3;
  color:#7e4224
}
.tag.logic {
  background:#eaeaf6;
  color:#4a4a82
}
.table-wrap {
  overflow:auto;
  border:1px solid var(--line);
  border-radius:13px;
  margin:25px 0;
  background:#fff
}
.table-wrap:focus {
  outline:2px solid var(--blue)
}
table {
  width:100%;
  border-collapse:collapse;
  font-size:14px;
  line-height:1.6
}
th {
  text-align:left;
  background:#eaf3f9;
  color:#193f58;
  padding:15px 16px;
  font-size:12px;
  font-weight:800
}
td {
  padding:15px 16px;
  vertical-align:top;
  border-top:1px solid #e0e9ef
}
td p {
  margin-bottom:8px
}
tr:nth-child(even) td {
  background:#fafcfd
}
.num-table {
  font-variant-numeric:tabular-nums
}
.num-table td,.num-table th {
  text-align:right;
  white-space:nowrap
}
.num-table td:first-child,.num-table th:first-child {
  text-align:left
}
.table-note,.fine {
  font-size:13px;
  line-height:1.65;
  color:var(--muted)
}
.equation {
  font-size:19px;
  line-height:1.65;
  border:1px solid var(--line);
  padding:20px 23px;
  background:#fff;
  border-radius:10px;
  margin:22px 0;
  font-weight:650;
  overflow-wrap:anywhere
}
.eq-lines {
  display:grid;
  gap:7px
}
.eq-caption {
  font-size:12px;
  font-weight:450;
  color:var(--muted);
  display:block;
  margin-top:10px
}
.process-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin:25px 0
}
.process {
  padding:22px;
  background:var(--paper);
  border-radius:13px;
  border:1px solid var(--line)
}
.process h3 {
  margin:0 0 10px;
  font-size:22px
}
.process p {
  font-size:15px;
  margin-bottom:12px
}
.process .flow {
  font-size:13px;
  line-height:1.6;
  font-weight:750;
  color:#174e6f
}
.measurement-pair {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  margin:26px 0
}
.measurement {
  border:1px solid var(--line);
  border-radius:14px;
  background:#f8fbfd;
  overflow:hidden
}
.measurement figure {
  margin:0
}
.measurement img {
  width:100%;
  height:190px;
  object-fit:contain;
  background:#e8edf0;
  padding:12px;
  display:block
}
.measurement .body {
  padding:22px
}
.measurement strong {
  font-size:35px;
  letter-spacing:-.04em;
  display:block;
  line-height:1.2
}
.measurement span {
  font-size:12px;
  color:var(--muted)
}
.measurement figcaption {
  font-size:12px;
  line-height:1.6;
  margin-top:12px;
  color:var(--muted)
}
.chart-box {
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px;
  margin:25px 0
}
.chart-box svg {
  display:block;
  width:100%;
  height:auto
}
.chart-legend {
  display:flex;
  gap:22px;
  flex-wrap:wrap;
  font-size:12px;
  font-weight:750;
  margin-bottom:16px
}
.legend-line {
  display:inline-block;
  width:22px;
  vertical-align:middle;
  border-top:3px solid #0078b5;
  margin-right:6px
}
.legend-line.co2 {
  border-color:#965c25;
  border-top-style:dashed
}
.chart-box figcaption {
  font-size:12px;
  line-height:1.6;
  color:var(--muted);
  margin-top:15px
}
.calc {
  border:1px solid #b9d3e3;
  border-radius:16px;
  overflow:hidden;
  margin:29px 0;
  background:#f7fbfd
}
.calc-heading {
  padding:22px 26px;
  background:#e6f2fa;
  border-bottom:1px solid #c8dde9
}
.calc-heading h3 {
  font-size:23px;
  margin:0 0 10px
}
.calc-heading p {
  font-size:14px;
  margin:0
}
.calc-body {
  padding:26px
}
.calc-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:17px 22px
}
.field label {
  display:block;
  font-size:13px;
  font-weight:750;
  margin-bottom:7px
}
.field input[type=number] {
  width:100%;
  min-height:48px;
  border-radius:7px;
  padding:9px 12px;
  border:1px solid #99b4c5;
  background:#fff;
  color:var(--ink)
}
.result {
  padding:22px;
  margin-top:23px;
  background:var(--navy);
  border-radius:12px;
  color:#fff
}
.result .big {
  font-size:43px;
  line-height:1.1;
  letter-spacing:-.045em;
  font-weight:800;
  color:#84d8ff;
  display:block
}
.result .unit {
  font-size:18px;
  font-weight:550;
  letter-spacing:0
}
.result p {
  font-size:14px;
  margin:12px 0 0;
  color:#dfedf4
}
.error {
  font-size:13px;
  color:#973919;
  font-weight:750;
  margin-top:12px
}
.range-field {
  margin-bottom:22px
}
.range-head {
  display:flex;
  gap:15px;
  align-items:baseline;
  justify-content:space-between;
  font-size:14px;
  font-weight:750;
  margin-bottom:8px
}
.range-head output {
  white-space:nowrap;
  color:var(--blue-dark)
}
input[type=range] {
  width:100%;
  accent-color:#0078b5;
  min-height:25px
}
.model-presets {
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin:12px 0 22px
}
.model-presets button {
  background:#fff;
  border:1px solid #b2c9d8;
  border-radius:6px;
  color:#124969;
  font-size:12px;
  font-weight:650;
  padding:8px 10px;
  min-height:37px
}
.model-presets button:hover {
  background:#e9f4fb
}
.chart-note {
  margin:8px 0 0
}
.detail {
  border:1px solid var(--line);
  border-radius:12px;
  margin:18px 0;
  background:#fff;
  overflow:hidden
}
.detail summary {
  cursor:pointer;
  list-style:none;
  font-size:16px;
  line-height:1.55;
  font-weight:750;
  padding:19px 22px;
  display:flex;
  justify-content:space-between;
  gap:18px;
  background:#f7fafc
}
.detail summary::-webkit-details-marker {
  display:none
}
.detail summary:after {
  content:'+';
  color:var(--blue-dark);
  font-size:22px;
  line-height:1.1;
  font-weight:400
}
.detail[open] summary:after {
  content:'-';
  font-size:23px
}
.detail[open] summary {
  border-bottom:1px solid var(--line)
}
.detail-body {
  padding:22px
}
.detail-body p {
  font-size:16px
}
.detail-body p:last-child {
  margin:0
}
.timeline {
  border-left:2px solid #b8d5e7;
  margin:28px 0 26px 7px;
  padding-left:25px
}
.timeline-item {
  position:relative;
  padding:0 0 26px
}
.timeline-item:before {
  content:'';
  position:absolute;
  left:-33px;
  top:5px;
  width:13px;
  height:13px;
  border-radius:50%;
  background:#0078b5;
  border:3px solid #e7f4fb
}
.timeline-item:last-child {
  padding:0
}
.timeline-item .year {
  font-size:11px;
  color:var(--blue-dark);
  font-weight:850;
  letter-spacing:.08em
}
.timeline-item h3 {
  font-size:23px;
  margin:8px 0 12px
}
.timeline-item p {
  font-size:16px
}
.check-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:15px;
  margin:25px 0
}
.check-item {
  padding:19px;
  border:1px solid var(--line);
  border-radius:12px;
  font-size:14px;
  background:#fff
}
.check-item strong {
  display:block;
  font-size:16px;
  margin-bottom:9px
}
.check-item .n {
  font-size:11px;
  display:block;
  color:var(--blue-dark);
  margin-bottom:8px;
  font-weight:800;
  letter-spacing:.08em
}
.check-item p {
  font-size:14px;
  margin:0
}
.letter {
  width:100%;
  border:1px solid #b9cbd6;
  padding:23px;
  border-radius:12px;
  min-height:430px;
  color:var(--ink);
  background:#fff;
  font-family:inherit;
  font-size:15px;
  line-height:1.75;
  resize:vertical
}
.status {
  font-size:12px;
  min-height:24px;
  color:var(--blue-dark);
  margin-top:10px;
  line-height:1.6
}
.glossary {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px 26px
}
.glossary div {
  border-bottom:1px solid var(--line);
  padding-bottom:18px
}
.glossary dt {
  font-size:16px;
  font-weight:800;
  margin-bottom:8px
}
.glossary dd {
  font-size:14px;
  margin:0;
  color:var(--muted)
}
.source-search {
  width:100%;
  padding:12px 15px;
  min-height:48px;
  border:1px solid #a8c0d0;
  border-radius:8px;
  background:#fff;
  color:var(--ink);
  margin:8px 0 25px
}
.source-list {
  display:grid;
  gap:14px
}
.source-item {
  padding:22px;
  border:1px solid var(--line);
  border-radius:12px;
  scroll-margin-top:185px;
  background:#fff
}
.source-item:target {
  border:2px solid var(--blue);
  background:#f1f9fe
}
.source-item h3 {
  font-size:18px;
  margin:10px 0 13px;
  line-height:1.4;
  letter-spacing:-.015em
}
.source-item p {
  font-size:13px;
  line-height:1.7;
  margin-bottom:9px
}
.source-item .source-url {
  font-size:12px;
  overflow-wrap:anywhere;
  display:inline-block
}
.source-id {
  display:inline-block;
  background:var(--navy);
  color:#fff;
  font-size:10px;
  font-weight:850;
  border-radius:4px;
  padding:2px 7px;
  margin-right:9px
}
.source-item[hidden] {
  display:none
}
.no-results {
  display:none;
  padding:20px;
  background:var(--paper);
  border-radius:10px
}
.conclusion {
  background:var(--navy);
  color:#fff;
  padding:55px 0
}
.conclusion .wrap {
  max-width:1060px
}
.conclusion h2 {
  font-size:39px;
  max-width:850px
}
.conclusion p {
  color:#d1e2ed;
  font-size:19px
}
.conclusion .eyebrow {
  color:var(--cyan)
}
.site-footer {
  padding:45px 0;
  background:#f4f8fb;
  border-top:1px solid var(--line)
}
.footer-inner {
  display:flex;
  justify-content:space-between;
  gap:40px;
  align-items:start
}
.footer-brand {
  width:210px;
  display:block
}
.footer-copy {
  max-width:660px;
  font-size:13px;
  line-height:1.7
}
.footer-links {
  display:flex;
  gap:22px;
  flex-wrap:wrap;
  font-size:13px;
  margin-top:16px
}
.bottom-meta {
  font-size:11px;
  color:var(--muted);
  margin-top:30px;
  border-top:1px solid var(--line);
  padding-top:18px
}
.mobile-menu-btn {
  display:none
}
.drawer {
  border:0;
  border-radius:17px;
  max-width:530px;
  width:calc(100% - 28px);
  max-height:85vh;
  padding:24px;
  color:var(--ink);
  box-shadow:0 20px 80px #0005
}
.drawer::backdrop {
  background:#062238aa;
  backdrop-filter:blur(3px)
}
.drawer-head {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:15px;
  margin-bottom:15px
}
.drawer-head strong {
  font-size:21px
}
.drawer-head button {
  font-size:24px;
  background:var(--paper);
  border-radius:50%;
  height:42px;
  width:42px
}
.drawer-nav a {
  display:block;
  font-size:14px;
  padding:12px 7px;
  border-bottom:1px solid var(--line);
  text-decoration:none
}
.noscript {
  padding:18px;
  background:var(--warm);
  font-size:14px
}
.print-only {
  display:none
}
.orig-link {
  font-size:12px;
  font-weight:750
}
.section-note {
  background:#f9fbfd;
  border:1px dashed #b9cdd9;
  border-radius:10px;
  padding:18px 22px;
  font-size:13px;
  line-height:1.7;
  margin:23px 0
}
.section-note p {
  font-size:13px;
  margin:0
}
.numbers-strip {
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:18px;
  margin:26px 0
}
.numbers-strip>div {
  background:var(--paper);
  border-radius:12px;
  padding:20px;
  min-width:0
}
.numbers-strip strong {
  display:block;
  font-size:31px;
  letter-spacing:-.04em;
  line-height:1.2;
  color:#0b5c89
}
.numbers-strip span {
  display:block;
  font-size:12px;
  line-height:1.6;
  color:var(--muted);
  margin-top:9px
}
.tight p {
  margin-bottom:13px
}
.footnote-list {
  font-size:14px;
  line-height:1.75
}
.claim-summary {
  padding:18px 0;
  border-bottom:1px solid var(--line)
}
.claim-summary h3 {
  font-size:21px;
  margin:10px 0 12px
}
.claim-summary p {
  font-size:16px
}
.claim-summary:last-child {
  border:0
}
#dossier-title {
  scroll-margin-top:185px
}
[hidden] {
  display:none!important
}
@media(min-width:1600px) {
  body {
    font-size:19px
  }
  .reader-layout {
    gap:74px
  }
  
}
@media(max-width:1150px) {
  .header-nav {
    gap:17px;
    font-size:13px
  }
  .reader-layout {
    grid-template-columns:205px minmax(0,1fr);
    gap:36px
  }
  .wrap {
    padding-left:26px;
    padding-right:26px
  }
  .brand img {
    width:212px
  }
  .summary-intro {
    gap:35px
  }
  .toolbar-links {
    gap:15px
  }
  
}
@media(max-width:930px) {
  :root {
    --head:86px
  }
  .header-nav>a:not(.btn) {
    display:none
  }
  .reader-layout {
    display:block;
    max-width:860px
  }
  .toc {
    display:none
  }
  .mobile-menu-btn {
    display:inline-flex
  }
  .toolbar-links a:nth-child(4) {
    display:none
  }
  .summary-intro {
    grid-template-columns:1fr;
    gap:10px
  }
  .summary-intro h2 {
    max-width:660px
  }
  .hero {
    min-height:630px
  }
  .hero:after {
    background:linear-gradient(90deg,#03192ced,#03192cbb 65%,#03192c77)
  }
  .summary-cards {
    gap:14px
  }
  .summary-card {
    padding:22px
  }
  .hero h1 {
    font-size:66px
  }
  
}
@media(max-width:640px) {
  :root {
    --head:78px;
    --bar:53px
  }
  html {
    scroll-padding-top:148px
  }
  body {
    font-size:17px;
    line-height:1.8
  }
  .wrap {
    padding:0 20px
  }
  .brand img {
    width:182px;
    height:59px
  }
  .header-inner {
    gap:15px
  }
  .header-nav .btn {
    font-size:11px;
    min-height:39px;
    padding:9px 12px
  }
  .header-nav {
    gap:0
  }
  h1,.hero h1 {
    font-size:47px;
    line-height:1.04;
    letter-spacing:-.045em
  }
  h2 {
    font-size:34px
  }
  h3 {
    font-size:25px
  }
  .hero {
    min-height:620px
  }
  .hero .wrap {
    padding-top:32px;
    padding-bottom:38px
  }
  .breadcrumbs {
    margin-bottom:30px;
    font-size:11px
  }
  .hero .eyebrow {
    font-size:10px;
    letter-spacing:.14em
  }
  .hero .lead {
    font-size:17px;
    line-height:1.7;
    max-width:100%;
    margin-top:23px
  }
  .hero .actions {
    margin-top:25px;
    gap:10px
  }
  .hero .btn {
    font-size:12px;
    min-height:45px;
    padding:11px 14px
  }
  .hero-meta {
    font-size:10px;
    gap:9px 15px;
    margin-top:24px
  }
  .toolbar-links {
    gap:6px;
    font-size:11px
  }
  .toolbar-links>a {
    display:none
  }
  .toolbar button {
    font-size:12px;
    padding:7px
  }
  .toolbar .wrap {
    padding:0 13px
  }
  .toolbar-tools {
    gap:0
  }
  .toolbar-tools #share-button {
    display:none
  }
  .summary {
    padding:43px 0
  }
  .summary-intro {
    margin-bottom:20px
  }
  .summary-intro h2 {
    font-size:31px
  }
  .summary-intro p {
    font-size:16px
  }
  .summary-cards {
    grid-template-columns:1fr
  }
  .summary-card {
    padding:22px
  }
  .summary-card .num {
    margin-bottom:10px
  }
  .summary-card h3 {
    font-size:23px;
    margin-bottom:10px
  }
  .summary-card a {
    margin-top:13px
  }
  .reader-layout {
    padding-top:23px;
    padding-bottom:25px
  }
  .chapter {
    padding-top:26px;
    padding-bottom:35px;
    margin-bottom:14px
  }
  .chapter .kicker {
    font-size:10px;
    letter-spacing:.12em
  }
  .intro {
    font-size:19px
  }
  .two-col,.process-grid,.check-grid {
    grid-template-columns:1fr;
    gap:14px
  }
  .callout {
    padding:21px 21px;
    margin:24px 0
  }
  .dark-box {
    padding:26px 23px;
    border-radius:14px
  }
  .equation {
    font-size:17px;
    padding:18px
  }
  .mini-card {
    padding:22px
  }
  .numbers-strip {
    grid-template-columns:1fr;
    gap:12px
  }
  .numbers-strip>div {
    display:grid;
    grid-template-columns:115px 1fr;
    gap:13px;
    align-items:center;
    padding:18px
  }
  .numbers-strip strong {
    font-size:28px
  }
  .numbers-strip span {
    margin:0
  }
  .measurement-pair {
    gap:11px
  }
  .measurement img {
    height:135px;
    padding:7px
  }
  .measurement .body {
    padding:15px 12px
  }
  .measurement strong {
    font-size:27px
  }
  .measurement figcaption {
    font-size:11px
  }
  .measurement span {
    font-size:10px
  }
  .table-wrap {
    margin:20px 0
  }
  table {
    font-size:12px;
    line-height:1.7;
    min-width:520px
  }
  .num-table {
    min-width:420px
  }
  td,th {
    padding:12px
  }
  .chart-box {
    padding:13px 10px
  }
  .chart-legend {
    font-size:11px;
    gap:16px
  }
  .chart-box figcaption {
    padding:0 7px
  }
  .calc-heading {
    padding:22px
  }
  .calc-heading h3 {
    font-size:22px
  }
  .calc-body {
    padding:22px
  }
  .calc-grid {
    gap:14px;
    grid-template-columns:1fr 1fr
  }
  .field label {
    font-size:11px
  }
  .field input[type=number] {
    font-size:16px
  }
  .result .big {
    font-size:36px
  }
  .range-head {
    font-size:12px
  }
  .result p {
    font-size:13px
  }
  .detail summary {
    padding:17px;
    font-size:15px
  }
  .detail-body {
    padding:20px 18px
  }
  .glossary {
    grid-template-columns:1fr;
    gap:18px
  }
  .letter {
    padding:17px;
    font-size:14px;
    min-height:470px
  }
  .source-item {
    padding:20px 18px;
    scroll-margin-top:148px
  }
  .source-item h3 {
    font-size:18px
  }
  .footer-inner {
    display:block
  }
  .footer-brand {
    width:190px;
    margin-bottom:28px
  }
  .footer-copy {
    font-size:12px
  }
  .footer-links {
    gap:13px;
    font-size:12px
  }
  .conclusion {
    padding:43px 0
  }
  .conclusion h2 {
    font-size:32px
  }
  .conclusion p {
    font-size:17px
  }
  .fine,.table-note {
    font-size:12px
  }
  .actions .btn {
    font-size:13px
  }
  .timeline {
    padding-left:21px
  }
  .timeline-item:before {
    left:-29px
  }
  
}
@media(max-width:360px) {
  .wrap {
    padding:0 16px
  }
  .hero h1 {
    font-size:42px
  }
  .brand img {
    width:165px
  }
  .header-nav .btn {
    padding:8px;
    font-size:10px
  }
  .measurement-pair {
    grid-template-columns:1fr
  }
  .calc-grid {
    grid-template-columns:1fr
  }
  .toolbar-tools button {
    font-size:11px
  }
  
}

@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto
  }
  *,*:before,*:after {
    transition:none!important;
    animation:none!important
  }
  
}

@media print {
  html {
    scroll-behavior:auto
  }
  body {
    font-size:10.5pt;
    color:#111;
    background:#fff;
    line-height:1.5
  }
  .site-header,.toolbar,.toc,.hero-bg,.hero:after,.actions,.drawer,.source-search,.model-presets,.no-print,.site-footer .footer-links {
    display:none!important
  }
  .hero {
    min-height:0;
    background:#fff;
    color:#111;
    padding:0
  }
  .hero .wrap {
    padding-top:0;
    padding-bottom:20px
  }
  .hero h1,.hero h1 .blue {
    font-size:30pt;
    color:#12324a
  }
  .hero .lead,.hero-meta,.hero .eyebrow,.breadcrumbs,.breadcrumbs a {
    color:#333
  }
  .hero .lead {
    font-size:12pt
  }
  .hero-meta {
    margin-top:15px
  }
  .breadcrumbs {
    margin:0 0 20px
  }
  .wrap,.reader-layout {
    padding:0;
    max-width:none
  }
  .reader-layout {
    display:block
  }
  .summary {
    padding:20px 0;
    background:#fff
  }
  .summary-intro {
    display:block
  }
  .summary-cards {
    display:block
  }
  .summary-card {
    margin:10px 0;
    padding:15px;
    break-inside:avoid
  }
  .summary-intro h2 {
    font-size:23pt
  }
  h2 {
    font-size:23pt
  }
  h3 {
    font-size:17pt
  }
  p {
    margin-bottom:10px
  }
  .chapter {
    padding:20px 0;
    margin:0;
    break-before:auto
  }
  .chapter .intro {
    font-size:12pt
  }
  .chapter .kicker {
    font-size:9pt
  }
  .callout,.mini-card,.check-item,.timeline-item,.source-item,.measurement,.chart-box {
    break-inside:avoid
  }
  .table-wrap {
    overflow:visible
  }
  table {
    font-size:9pt;
    min-width:0
  }
  th,td {
    padding:8px
  }
  .q {
    font-size:8pt;
    border:1px solid #ccc
  }
  .dark-box,.result,.conclusion {
    background:#f4f6f8!important;
    color:#111!important;
    padding:18px
  }
  .dark-box p,.dark-box h3,.dark-box a,.dark-box .equation,.result p,.result .big,.conclusion p,.conclusion .eyebrow {
    color:#12324a!important
  }
  .source-url {
    word-break:break-all
  }
  .print-only {
    display:block
  }
  .letter {
    min-height:0;
    border:0;
    font-size:10pt;
    padding:0
  }
  .letter-print {
    white-space:pre-wrap;
    font-size:10pt
  }
  .calc {
    break-inside:avoid
  }
  .calc input[type=range] {
    display:none
  }
  .detail summary:after {
    display:none
  }
  .summary-card a,.calc .btn {
    display:none
  }
  .source-item {
    padding:12px
  }
  .glossary dd {
    font-size:9pt
  }
  .conclusion h2 {
    font-size:24pt
  }
  .source-list {
    gap:8px
  }
  .hero h1 {
    max-width:none
  }
  .numbers-strip strong {
    font-size:24pt
  }
  .section-note {
    font-size:9pt
  }
  .chapter,.source-item {
    scroll-margin-top:0
  }
  .source-search-label {
    display:none
  }
  .footer-inner {
    font-size:9pt
  }
  .source-item[hidden] {
    display:block!important
  }
  
}