@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700;750;800;900&family=JetBrains+Mono:wght@400;500&display=swap");
:root {
  --ink: #111318;
  --paper: #f6f7f9;
  --white: #fff;
  --gold: #edb978;
  --blue: #37688b;
  --muted: #616772;
  --line: #d5d8de;
  --darkline: #393d45;
  --sans: "DM Sans", Arial, sans-serif;
  --mono: "JetBrains Mono", monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-underline-offset: 5px;
  text-decoration-thickness: 1px;
}
a:hover {
  text-decoration-thickness: 2px;
}
a,
button,
summary {
  -webkit-tap-highlight-color: transparent;
}
button {
  font: inherit;
  cursor: pointer;
}
button,
a,
summary {
  touch-action: manipulation;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid #5997c7;
  outline-offset: 5px;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
h1,
h2,
h3,
p,
figure,
blockquote {
  margin: 0;
}
p + p {
  margin-top: 1.1em;
}
h1,
h2,
h3 {
  line-height: 1.06;
  letter-spacing: -0.055em;
  font-weight: 650;
}
h1 {
  font-size: clamp(3.7rem, 7.4vw, 7.5rem);
}
h2 {
  font-size: clamp(2.4rem, 4.8vw, 4.4rem);
}
h3 {
  font-size: 1.55rem;
  letter-spacing: -0.035em;
  line-height: 1.2;
}
::selection {
  background: var(--gold);
  color: var(--ink);
}
.wrap {
  max-width: 1376px;
  padding-inline: clamp(24px, 4.5vw, 72px);
  margin-inline: auto;
}
.skip {
  position: fixed;
  left: 20px;
  top: -100px;
  z-index: 99;
  background: var(--gold);
  padding: 12px 20px;
}
.skip:focus {
  top: 16px;
}
.review-band {
  background: var(--gold);
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 6px 20px;
  font-family: var(--mono);
}
.mast {
  color: var(--paper);
  background: var(--ink);
  border-bottom: 1px solid var(--darkline);
}
.mast-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 94px;
}
.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  min-height: 44px;
}
.brand img {
  width: 152px;
  max-height: 44px;
  object-fit: contain;
}
.mast nav {
  display: flex;
  gap: 30px;
  align-items: center;
}
.mast nav a {
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}
.mast nav a:hover,
.mast nav a[aria-current="page"] {
  border-color: var(--gold);
}
.external-mark {
  color: var(--gold);
  margin-left: 7px;
}
.eyebrow,
.caption-no,
.chapter-label,
.micro,
.status,
.contents-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.5;
}
.hero {
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}
.hero-meta {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 34px;
  color: #b9bec7;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: end;
  padding-top: 64px;
  padding-bottom: 64px;
}
.hero h1 {
  max-width: 780px;
}
.hero h1 em {
  font-style: normal;
  color: var(--gold);
}
.hero-dek {
  max-width: 500px;
  font-size: 21px;
  line-height: 1.65;
  margin-top: 32px;
  color: #d0d3da;
}
.byline {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-top: 36px;
  font-size: 14px;
}
.byline span + span {
  border-left: 1px solid #50545b;
  padding-left: 18px;
  color: #aeb4bd;
}
.hero-photo {
  position: relative;
}
.hero-photo img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: 37% 50%;
}
.hero-photo figcaption {
  font-size: 12px;
  line-height: 1.6;
  color: #b9bec7;
  padding-top: 15px;
}
.hero-bottom {
  border-top: 1px solid var(--darkline);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  min-height: 88px;
  font-size: 14px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  min-height: 48px;
  font-weight: 550;
}
.hero-bottom a {
  color: var(--gold);
}
.jumpbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246, 247, 249, 0.97);
  border-bottom: 1px solid var(--line);
}
.jump-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 66px;
  overflow: auto;
  scrollbar-width: thin;
}
.jump-inner a {
  font-size: 14px;
  white-space: nowrap;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.jump-inner a:hover {
  text-decoration: underline;
}
.jump-inner .index {
  color: var(--muted);
  margin-right: 14px;
  font: 12px var(--mono);
}
.chapter {
  padding-block: 100px;
  border-bottom: 1px solid var(--line);
}
.chapter-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: clamp(36px, 6vw, 100px);
}
.chapter-side {
  color: var(--muted);
}
.chapter-side .number {
  display: block;
  font-size: 64px;
  line-height: 1;
  color: #b5bbc5;
  letter-spacing: -0.06em;
  margin-bottom: 22px;
  font-weight: 450;
}
.chapter-side p {
  max-width: 170px;
  margin-top: 22px;
  font-size: 14px;
  line-height: 1.6;
}
.chapter-main {
  max-width: 875px;
  min-width: 0;
}
.chapter-main h2 {
  max-width: 800px;
  margin-bottom: 36px;
}
.prose {
  max-width: 690px;
}
.prose p {
  color: #363b44;
}
.lead {
  font-size: clamp(1.25rem, 2.1vw, 1.55rem);
  line-height: 1.6;
}
.credit-list {
  margin-top: 38px;
  border-top: 1px solid var(--line);
}
.credit-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  padding-block: 18px;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  line-height: 1.5;
}
.credit-row dt {
  font-weight: 650;
}
.credit-row dd {
  margin: 0;
  color: #505762;
}
.note {
  border-left: 3px solid var(--gold);
  padding: 6px 0 6px 24px;
  margin-top: 32px;
  font-size: 16px;
  color: var(--muted);
}
.product-panel {
  background: var(--ink);
  color: var(--paper);
  padding-block: 82px;
}
.product-head {
  display: flex;
  gap: 60px;
  justify-content: space-between;
  align-items: flex-end;
}
.product-head h2 {
  max-width: 660px;
}
.product-head p {
  max-width: 320px;
  font-size: 16px;
  color: #b9bec7;
}
.product-screens {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 5vw, 76px);
  margin: 52px auto 0;
  max-width: 1050px;
}
.product-screens figure {
  min-width: 0;
}
.product-screens img {
  border: 1px solid #41454e;
  border-radius: 16px;
  width: 100%;
  background: #111318;
}
.product-screens figcaption {
  padding-top: 20px;
  font-size: 16px;
  line-height: 1.5;
}
.product-screens figcaption span {
  display: block;
  color: #aeb4bd;
  font-size: 14px;
  margin-top: 8px;
}
.panel-footnote {
  margin-top: 36px;
  font-size: 12px;
  color: #aeb4bd;
  text-align: center;
}
.timeline {
  margin-top: 44px;
  list-style: none;
  padding: 0;
}
.timeline li {
  display: grid;
  grid-template-columns: 95px minmax(0, 1fr);
  gap: 28px;
  border-top: 1px solid var(--line);
  padding-block: 27px;
}
.timeline time {
  font: 13px var(--mono);
  color: var(--blue);
  padding-top: 5px;
}
.timeline h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}
.timeline p {
  font-size: 16px;
  color: #505762;
  max-width: 610px;
}
.pull {
  background: var(--gold);
  padding: clamp(32px, 5vw, 70px);
  margin-block: 50px;
}
.pull p {
  font-size: clamp(1.6rem, 3.1vw, 2.7rem);
  font-weight: 550;
  letter-spacing: -0.04em;
  line-height: 1.25;
  max-width: 760px;
}
.pull span {
  display: block;
  font: 12px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-top: 25px;
}
.workflow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 40px;
  border-block: 1px solid var(--line);
}
.workflow div {
  padding: 26px 20px 26px 0;
}
.workflow div + div {
  border-left: 1px solid var(--line);
  padding-left: 20px;
}
.workflow strong {
  display: block;
  font-size: 17px;
  font-weight: 650;
  margin-bottom: 8px;
}
.workflow span {
  font-size: 14px;
  line-height: 1.5;
  display: block;
  color: #616772;
}
.case {
  border-top: 1px solid var(--line);
  padding-top: 30px;
  margin-top: 35px;
}
.case .micro {
  color: var(--blue);
  margin-bottom: 12px;
}
.case h3 {
  margin-bottom: 17px;
}
.case p {
  font-size: 17px;
  color: #363b44;
  max-width: 690px;
}
.business-notes {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}
.business-notes h3 {
  font-size: 1.35rem;
  margin-bottom: 15px;
}
.business-notes p {
  font-size: 16px;
  line-height: 1.7;
  color: #505762;
}
.roadmap-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  border-top: 1px solid var(--ink);
  padding-top: 20px;
  margin-top: 45px;
}
.roadmap-head h3 {
  font-size: 1.5rem;
}
.status {
  font-size: 12px;
  color: var(--muted);
  text-align: right;
}
.roadmap-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.roadmap-list li {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(0, 1.2fr);
  gap: 32px;
  border-bottom: 1px solid var(--line);
  padding-block: 23px;
}
.roadmap-list strong {
  font-size: 17px;
  line-height: 1.5;
  font-weight: 650;
}
.roadmap-list p {
  font-size: 16px;
  color: #505762;
  line-height: 1.6;
}
.roadmap-list small {
  display: block;
  color: var(--blue);
  font: 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 7px;
}
.read-next {
  background: var(--ink);
  color: var(--paper);
  padding-block: 80px;
}
.read-next-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.read-next h2 {
  color: var(--gold);
  max-width: 550px;
}
.read-next p {
  color: #b9bec7;
  max-width: 540px;
}
.read-next .text-link {
  color: var(--gold);
  margin-top: 24px;
}
.footer {
  background: var(--ink);
  color: #aeb4bd;
  border-top: 1px solid var(--darkline);
  font-size: 13px;
  padding-block: 30px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
  flex-wrap: wrap;
}
.footer nav {
  display: flex;
  gap: 28px;
}
.footer a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.paper-hero {
  background: var(--ink);
  color: var(--paper);
  padding-block: 55px 65px;
}
.paper-hero .eyebrow {
  color: var(--gold);
  margin-bottom: 32px;
}
.paper-hero h1 {
  font-size: clamp(3.3rem, 6.5vw, 6.5rem);
  max-width: 1000px;
}
.paper-hero .lead {
  max-width: 820px;
  color: #c4c9d1;
  margin-top: 30px;
}
.paper-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 36px;
  font-size: 13px;
  color: #b9bec7;
  align-items: center;
}
.print-btn {
  border: 1px solid #555b64;
  border-radius: 0;
  min-height: 44px;
  color: var(--gold);
  background: transparent;
  padding: 8px 20px;
}
.print-btn:hover {
  background: #292e36;
}
.paper-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: clamp(40px, 7vw, 105px);
  padding-block: 70px;
}
.contents {
  align-self: start;
  position: sticky;
  top: 30px;
}
.contents-label {
  color: var(--muted);
  margin-bottom: 18px;
}
.contents a {
  display: block;
  padding-block: 11px;
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.contents a:hover {
  color: var(--blue);
}
.paper-body {
  min-width: 0;
  max-width: 880px;
}
.paper-section {
  border-top: 1px solid var(--line);
  padding-top: 28px;
  margin-bottom: 68px;
  scroll-margin-top: 30px;
}
.paper-section:first-child {
  border: 0;
  padding-top: 0;
}
.paper-section .eyebrow {
  color: var(--blue);
  margin-bottom: 19px;
}
.paper-section h2 {
  font-size: clamp(2.2rem, 3.6vw, 3.3rem);
  margin-bottom: 28px;
}
.paper-section h3 {
  margin-top: 35px;
  margin-bottom: 18px;
  font-size: 1.4rem;
}
.paper-section p {
  max-width: 735px;
  color: #363b44;
  font-size: 17px;
}
.paper-section ul,
.paper-section ol {
  padding-left: 22px;
  color: #363b44;
  font-size: 17px;
  max-width: 735px;
}
.paper-section li {
  padding-left: 5px;
  margin-block: 12px;
}
code {
  font-family: var(--mono);
  font-size: 0.8em;
  background: #e6e9ee;
  padding: 2px 5px;
  overflow-wrap: anywhere;
}
.table-wrap {
  margin-block: 28px;
  overflow: auto;
  max-width: 100%;
  border-bottom: 1px solid var(--line);
}
table {
  border-collapse: collapse;
  width: 100%;
  text-align: left;
  font-size: 15px;
  line-height: 1.6;
}
th {
  font-weight: 650;
  color: var(--ink);
  border-block: 1px solid #7b828c;
  background: #e9ecf1;
}
td,
th {
  padding: 17px 16px;
  vertical-align: top;
}
td {
  border-bottom: 1px solid var(--line);
  color: #505762;
}
td:first-child {
  font-weight: 550;
  color: var(--ink);
  min-width: 150px;
}
.diagram {
  background: var(--ink);
  color: var(--paper);
  padding: 30px;
  margin-block: 30px;
}
.diagram-label {
  font: 12px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin-bottom: 20px;
}
.diagram-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  text-align: center;
}
.diagram-box {
  border: 1px solid #505661;
  padding: 16px 12px;
  font-size: 15px;
  line-height: 1.5;
}
.diagram-box span {
  font-size: 12px;
  color: #aeb4bd;
  display: block;
  margin-top: 5px;
}
.diagram-arrow {
  text-align: center;
  padding: 10px;
  color: var(--gold);
  font-size: 20px;
}
.diagram-wide {
  border: 1px solid var(--gold);
  padding: 18px 20px;
  text-align: center;
  font-size: 16px;
}
.diagram-wide span {
  display: block;
  color: #bec3cd;
  font-size: 13px;
  margin-top: 5px;
}
.diagram-note {
  font-size: 13px !important;
  color: #b9bec7 !important;
  margin-top: 20px !important;
}
.evidence-note {
  font-size: 13px !important;
  color: var(--muted) !important;
  margin-top: 22px !important;
  line-height: 1.6;
}
details {
  margin-block: 22px;
  border-block: 1px solid var(--line);
  font-size: 16px;
}
summary {
  cursor: pointer;
  padding: 16px 0;
  min-height: 48px;
  font-weight: 600;
}
details > div {
  padding-bottom: 24px;
}
details p {
  font-size: 16px !important;
}
.paper-section .note {
  font-size: 16px;
}
.references {
  font-size: 14px !important;
  list-style: none;
  padding: 0 !important;
}
.references li {
  border-bottom: 1px solid var(--line);
  padding: 12px 0 !important;
}
.references span {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-top: 5px;
}
@media (min-width: 1600px) {
  .hero-grid {
    gap: 95px;
  }
  .hero-photo img {
    aspect-ratio: 1/1.15;
  }
}
@media (max-width: 1050px) {
  .hero-grid {
    grid-template-columns: 1.1fr 1fr;
    gap: 32px;
  }
  .hero h1 {
    font-size: clamp(3.7rem, 8vw, 5.8rem);
  }
  .hero-dek {
    font-size: 18px;
  }
  .hero-photo img {
    aspect-ratio: 3/4;
  }
  .chapter-layout {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 40px;
  }
  .chapter-side p {
    font-size: 13px;
  }
  .paper-layout {
    grid-template-columns: 175px minmax(0, 1fr);
    gap: 40px;
  }
  .read-next-grid {
    gap: 40px;
  }
}
@media (max-width: 720px) {
  body {
    font-size: 17px;
  }
  .wrap {
    padding-inline: 24px;
  }
  .mast-inner {
    min-height: 80px;
    gap: 14px;
  }
  .brand img {
    width: 95px;
  }
  .mast nav {
    gap: 18px;
  }
  .mast nav a {
    font-size: 14px;
  }
  .mast nav .visit {
    display: none;
  }
  .hero-meta {
    font-size: 11px;
    padding-top: 24px;
  }
  .hero-meta span:last-child {
    display: none;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    padding-top: 35px;
    padding-bottom: 36px;
    gap: 38px;
  }
  .hero h1 {
    font-size: clamp(3.9rem, 12.3vw, 5.7rem);
    max-width: 550px;
  }
  .hero-dek {
    font-size: 19px;
    margin-top: 26px;
    max-width: 530px;
  }
  .byline {
    margin-top: 25px;
  }
  .hero-photo img {
    aspect-ratio: 5/4;
    object-position: center 63%;
  }
  .hero-photo figcaption {
    font-size: 12px;
    max-width: 430px;
  }
  .hero-bottom {
    font-size: 13px;
    min-height: 85px;
    gap: 15px;
  }
  .hero-bottom > span {
    max-width: 130px;
  }
  .hero-bottom a {
    gap: 14px;
  }
  .jump-inner {
    gap: 25px;
    justify-content: flex-start;
    min-height: 60px;
  }
  .jump-inner a {
    font-size: 13px;
  }
  .jump-inner .index {
    display: none;
  }
  .chapter {
    padding-block: 60px;
  }
  .chapter-layout {
    grid-template-columns: 1fr;
    gap: 27px;
  }
  .chapter-side {
    display: flex;
    align-items: center;
    gap: 18px;
  }
  .chapter-side .number {
    font-size: 28px;
    margin: 0;
    color: #7e8591;
  }
  .chapter-side p {
    display: none;
  }
  .chapter-main h2 {
    margin-bottom: 26px;
    font-size: 2.6rem;
  }
  .credit-row {
    grid-template-columns: 100px 1fr;
    gap: 18px;
    font-size: 15px;
  }
  .product-panel {
    padding-block: 56px;
  }
  .product-head {
    display: block;
  }
  .product-head h2 {
    font-size: 2.6rem;
  }
  .product-head p {
    margin-top: 24px;
    max-width: 480px;
  }
  .product-screens {
    gap: 22px;
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 20px;
    margin-top: 35px;
  }
  .product-screens figure {
    flex: 0 0 76%;
    min-width: 0;
    scroll-snap-align: center;
  }
  .product-screens figure {
    flex-basis: 76%;
    flex-shrink: 0;
  }
  .product-screens img {
    width: 100%;
    max-width: 350px;
  }
  .panel-footnote {
    text-align: left;
    font-size: 12px;
    margin-top: 20px;
  }
  .timeline li {
    grid-template-columns: 68px 1fr;
    gap: 20px;
    padding-block: 24px;
  }
  .timeline time {
    font-size: 11px;
  }
  .timeline h3 {
    font-size: 1.18rem;
  }
  .pull {
    margin-block: 35px;
    padding: 30px;
  }
  .workflow {
    grid-template-columns: 1fr 1fr;
  }
  .workflow div {
    padding: 22px 16px !important;
  }
  .workflow div:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .workflow div:nth-child(4) {
    border-top: 1px solid var(--line);
  }
  .business-notes {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .roadmap-list li {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-block: 25px;
  }
  .roadmap-head {
    align-items: center;
  }
  .roadmap-head h3 {
    font-size: 1.3rem;
  }
  .status {
    font-size: 10px;
  }
  .read-next {
    padding-block: 56px;
  }
  .read-next-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .read-next h2 {
    font-size: 2.8rem;
  }
  .footer-inner {
    display: block;
  }
  .footer nav {
    margin-top: 15px;
    gap: 25px;
  }
  .paper-hero {
    padding-block: 40px;
  }
  .paper-hero h1 {
    font-size: 3.7rem;
  }
  .paper-hero .eyebrow {
    font-size: 11px;
  }
  .paper-hero .lead {
    font-size: 19px;
  }
  .paper-meta {
    gap: 16px;
    font-size: 12px;
  }
  .paper-layout {
    display: block;
    padding-block: 35px;
  }
  .contents {
    position: static;
    margin-bottom: 48px;
  }
  .contents nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 20px;
  }
  .contents a {
    font-size: 13px;
  }
  .paper-section h2 {
    font-size: 2.3rem;
  }
  .paper-section p {
    font-size: 17px;
  }
  .diagram {
    padding: 22px 18px;
  }
  .diagram-row {
    gap: 7px;
  }
  .diagram-box {
    padding: 10px 5px;
    font-size: 12px;
  }
  .diagram-box span {
    font-size: 11px;
  }
  .diagram-wide {
    font-size: 15px;
  }
  .table-wrap {
    font-size: 14px;
  }
  th,
  td {
    padding: 12px;
    min-width: 130px;
  }
  .paper-section {
    margin-bottom: 50px;
  }
  details p {
    font-size: 15px !important;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}
@media print {
  @page {
    size: A4;
    margin: 18mm 17mm;
  }
  body {
    font-size: 10pt;
    background: white;
    color: black;
    line-height: 1.55;
  }
  .review-band,
  .mast,
  .jumpbar,
  .contents,
  .print-btn,
  .footer,
  .read-next,
  .skip {
    display: none !important;
  }
  .wrap {
    max-width: none;
    padding: 0;
  }
  .paper-hero {
    background: white;
    color: black;
    padding: 0 0 25px;
    border-bottom: 2px solid black;
  }
  .paper-hero h1 {
    font-size: 32pt;
    max-width: none;
  }
  .paper-hero .lead {
    font-size: 12pt;
    color: #222;
  }
  .paper-hero .eyebrow,
  .paper-meta {
    color: #444;
    font-size: 9pt;
  }
  .paper-layout {
    display: block;
    padding: 25px 0 0;
  }
  .paper-body {
    max-width: none;
  }
  .paper-section {
    margin-bottom: 25px;
    padding-top: 15px;
    break-inside: auto;
  }
  .paper-section h2 {
    font-size: 21pt;
    break-after: avoid;
  }
  .paper-section h3 {
    font-size: 13pt;
    break-after: avoid;
  }
  .paper-section p,
  .paper-section li {
    font-size: 10pt;
  }
  .paper-section .eyebrow {
    font-size: 8pt;
  }
  p {
    orphans: 3;
    widows: 3;
  }
  table {
    font-size: 9pt;
  }
  thead {
    display: table-header-group;
  }
  tr {
    break-inside: avoid;
  }
  th,
  td {
    padding: 9px;
  }
  a {
    color: inherit;
  }
  .table-wrap {
    overflow: visible;
  }
  .diagram {
    break-inside: avoid;
    background: #f0f0f0;
    color: black;
    border: 1px solid #999;
    padding: 18px;
  }
  .diagram * {
    color: black !important;
  }
  .diagram-box,
  .diagram-wide {
    border-color: #999;
  }
  .diagram-label {
    font-size: 8pt;
  }
  .diagram-note {
    font-size: 9pt !important;
    color: black !important;
  }
  details > div {
    display: block;
  }
  details {
    break-inside: avoid;
  }
  .evidence-note {
    font-size: 8pt !important;
  }
  .hero {
    background: white;
    color: black;
  }
  .hero-grid {
    padding-block: 30px;
  }
  .hero h1 {
    font-size: 40pt;
  }
  .hero-dek {
    font-size: 12pt;
    color: black;
  }
  .chapter {
    padding-block: 30px;
  }
  .chapter-layout {
    display: block;
  }
  .chapter-side {
    display: none;
  }
  .chapter h2 {
    font-size: 24pt;
  }
  .prose p {
    font-size: 10pt;
  }
  .product-panel {
    background: white;
    color: black;
  }
  .product-screens img {
    max-height: 100mm;
    width: auto;
  }
  .product-head h2 {
    font-size: 24pt;
  }
  .hero-bottom {
    display: none;
  }
}

.contents a {
  min-height: 44px;
}
.evidence-note a,
.references a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.references li {
  padding-block: 6px;
}

[tabindex="0"]:focus-visible {
  outline: 3px solid #5997c7;
  outline-offset: 5px;
}

/* The second edition shows the entire supplied photograph and Hope's artwork. */
.hero-grid {
  grid-template-columns: 1.5fr 0.65fr;
  align-items: center;
  padding-bottom: 45px;
}
.hero-art {
  max-width: 290px;
  justify-self: end;
  text-align: center;
}
.hero-art img {
  width: 200px;
  height: auto;
  margin: 0 auto 24px;
}
.hero-art p {
  font-size: 14px;
  line-height: 1.65;
  color: #b9bec7;
}
.hero-photo img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  object-position: center;
}
.hero-photo {
  margin-bottom: 32px;
}
.hero-photo figcaption {
  max-width: none;
}
.human-artifacts {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  align-items: center;
  gap: 35px;
  margin-top: 36px;
}
.human-artifacts img {
  width: 100%;
  height: auto;
}
.human-artifacts figure:first-child {
  background: #111318;
}
.human-artifacts figure:first-child figcaption {
  color: #c7cbd3;
  padding: 14px 20px 18px;
}
.human-artifacts figcaption {
  font-size: 13px;
  line-height: 1.6;
  padding-top: 14px;
  color: var(--muted);
}
.scan-sequence {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 25px;
  border-block: 1px solid var(--line);
  padding-block: 28px;
  margin-top: 35px;
}
.scan-sequence span {
  font: 12px var(--mono);
  color: var(--blue);
}
.scan-sequence h3 {
  font-size: 1.35rem;
  margin-block: 10px;
}
.scan-sequence p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.6;
}
@media (max-width: 720px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .hero-art {
    justify-self: start;
    max-width: none;
    display: flex;
    align-items: center;
    gap: 22px;
    text-align: left;
  }
  .hero-art img {
    width: 80px;
    margin: 0;
  }
  .hero-art p {
    font-size: 13px;
  }
  .hero-photo img {
    height: auto;
    aspect-ratio: auto;
    object-fit: contain;
  }
  .human-artifacts {
    gap: 24px;
  }
  .human-artifacts figcaption {
    font-size: 12px;
  }
  .human-artifacts figure:first-child figcaption {
    padding: 12px;
  }
  .scan-sequence {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .scan-sequence div {
    display: grid;
    grid-template-columns: 30px 1fr;
    gap: 0 14px;
  }
  .scan-sequence span {
    grid-row: 1/3;
    padding-top: 4px;
  }
  .scan-sequence h3 {
    margin: 0 0 7px;
  }
}
.practice-notes {
  margin-top: 35px;
  max-width: 735px;
}
.practice-notes h3 {
  margin: 32px 0 15px;
}
.practice-notes p {
  font-size: 17px;
  color: #363b44;
}
.agent-roster {
  margin: 0;
}
.agent-roster div {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 24px;
  padding-block: 15px;
  border-top: 1px solid var(--line);
}
.agent-roster dt {
  font-size: 16px;
  font-weight: 600;
}
.agent-roster dd {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}
.schedule-strip {
  margin-top: 35px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 25px;
  padding-block: 25px;
  border-block: 1px solid var(--line);
}
.schedule-strip h3 {
  font-size: 1.25rem;
  margin-block: 13px;
}
.schedule-strip p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.6;
}
.schedule-strip .micro {
  font-size: 11px;
  color: var(--blue);
}
.metric-targets {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  border-block: 1px solid var(--line);
  padding-block: 28px;
  margin-top: 30px;
}
.metric-targets strong {
  font-size: 38px;
  letter-spacing: -0.05em;
  font-weight: 550;
  color: var(--blue);
}
.metric-targets span {
  display: block;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  margin-top: 6px;
}
.stack-panel {
  background: var(--ink);
  color: var(--paper);
  padding-block: 72px;
}
.stack-panel > .wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.stack-intro .eyebrow {
  color: var(--gold);
  margin-bottom: 20px;
}
.stack-intro h2 {
  font-size: 3rem;
}
.stack-intro > p:last-child {
  font-size: 17px;
  max-width: 500px;
  margin-top: 25px;
  color: #b9bec7;
}
.stack-list {
  margin: 0;
}
.stack-list div {
  padding-block: 18px;
  border-bottom: 1px solid #41454e;
}
.stack-list dt {
  font: 12px var(--mono);
  color: var(--gold);
  margin-bottom: 7px;
}
.stack-list dd {
  font-size: 17px;
  margin: 0;
}
.roadmap-wrap > .chapter-side {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-bottom: 35px;
}
.roadmap-wrap > .chapter-side .number {
  font-size: 38px;
  margin: 0;
}
.roadmap-wrap > .chapter-side p {
  max-width: none;
  margin: 0 0 0 auto;
  text-align: right;
}
.roadmap-main h2 {
  margin-bottom: 28px;
  max-width: 650px;
}
.roadmap-main > .prose {
  max-width: 750px;
}
.roadmap-lanes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 35px;
  margin-top: 10px;
}
.roadmap-lane {
  min-width: 0;
}
.roadmap-head {
  display: block;
  min-height: 90px;
  margin-top: 35px;
}
.roadmap-head .status {
  display: block;
  text-align: left;
  margin-top: 10px;
}
.roadmap-list li {
  display: block;
  padding-block: 22px;
}
.roadmap-list p {
  margin-top: 9px;
}
.roadmap-list strong {
  font-size: 18px;
}
.download-link {
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
  padding: 10px 0;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
}
.paper-meta {
  gap: 20px;
}
.paper-meta .print-btn {
  font-size: 13px;
  border-color: #555b64;
}
@media (max-width: 1050px) {
  .roadmap-lanes {
    gap: 24px;
  }
  .stack-panel > .wrap {
    gap: 40px;
  }
  .agent-roster div {
    grid-template-columns: 170px 1fr;
    gap: 20px;
  }
}
@media (max-width: 720px) {
  .agent-roster div {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .schedule-strip {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .schedule-strip > div {
    border-bottom: 1px solid var(--line);
    padding-bottom: 16px;
  }
  .schedule-strip > div:last-child {
    border: 0;
    padding: 0;
  }
  .schedule-strip h3 {
    margin-block: 8px;
  }
  .metric-targets {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .metric-targets strong {
    font-size: 34px;
  }
  .stack-panel {
    padding-block: 50px;
  }
  .stack-panel > .wrap {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .stack-intro h2 {
    font-size: 2.6rem;
  }
  .stack-list dd {
    font-size: 16px;
  }
  .roadmap-lanes {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .roadmap-wrap > .chapter-side {
    gap: 18px;
    margin-bottom: 25px;
  }
  .roadmap-wrap > .chapter-side p {
    display: none;
  }
  .roadmap-head {
    min-height: 0;
    margin-top: 32px;
    padding-top: 20px;
  }
  .roadmap-list li {
    padding-block: 20px;
  }
  .roadmap-lane {
    border-top: 0;
  }
  .roadmap-main h2 {
    font-size: 2.6rem;
  }
  .paper-meta {
    gap: 15px;
  }
  .download-link {
    font-size: 14px;
  }
}
.code-block {
  max-width: 100%;
  overflow: auto;
  background: #111318;
  color: #e7eaf0;
  padding: 28px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  margin-block: 28px;
  tab-size: 4;
}
.code-block code {
  background: transparent;
  color: inherit;
  padding: 0;
  font-size: inherit;
  white-space: pre;
  overflow-wrap: normal;
}
.contents {
  max-height: calc(100vh - 55px);
  overflow: auto;
  padding-right: 8px;
}
.contents a {
  padding-block: 8px;
  min-height: 44px;
}
.paper-body .table-wrap {
  scroll-margin-top: 20px;
}
@media (max-width: 720px) {
  .contents {
    max-height: none;
    overflow: visible;
  }
  .contents a {
    min-height: 44px;
  }
  .code-block {
    padding: 20px;
    font-size: 11px;
  }
}
@media print {
  .download-link {
    display: none;
  }
  .code-block {
    background: #f0f0f0;
    color: #111;
    font-size: 8pt;
    line-height: 1.45;
    overflow: visible;
    padding: 14px;
    break-inside: avoid;
  }
  .code-block code {
    color: #111;
  }
  .hero-art {
    display: none;
  }
}

/* Reusable material should be easy to return to and copy. */
.prompt-callout {
  margin-block: 38px;
  padding: clamp(22px, 4vw, 36px);
  background: #f1eadc;
  border: 1px solid #cbb68e;
  border-top: 4px solid #9d721d;
  scroll-margin-top: 28px;
}
.prompt-callout h3 {
  margin: 10px 0 18px;
  font-size: 27px;
}
.prompt-callout p {
  max-width: 65ch;
}
.prompt-callout .prompt-code {
  margin: 24px 0 20px;
  padding: 24px;
}
.prompt-code code {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.8;
}
.prompt-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
}
.copy-prompt {
  border: 0;
  border-radius: 0;
  padding: 14px 20px;
  min-height: 48px;
  background: #111318;
  color: #f7ecd6;
  font: 600 14px var(--sans);
  cursor: pointer;
}
.copy-prompt:hover {
  background: #333940;
}
.prompt-actions a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: #624916;
}
.copy-status {
  flex-basis: 100%;
  font-size: 14px;
  line-height: 1.5;
}
.copy-status:empty {
  display: none;
}
.prompt-callout .prompt-note {
  margin-top: 18px;
  font-size: 14px;
  color: #5e5c55;
}
.contents .prompt-jump {
  color: #77561b;
  font-weight: 600;
}
.north-star {
  margin: 30px 0 36px;
  padding: clamp(28px, 4vw, 44px);
  background: #111318;
  border-left: 6px solid #d7ad62;
  color: #ece8e1;
}
.north-star .north-star-label {
  color: #edc98a;
  font: 12px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.13em;
}
.north-star-label span {
  font-size: 22px;
  vertical-align: middle;
  padding-right: 10px;
}
.north-star h3 {
  font-size: clamp(30px, 3.3vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.025em;
  margin: 22px 0;
  color: #f7ecd6;
}
.north-star > p:last-child {
  color: #c3c7ce;
  font-size: 17px;
  line-height: 1.65;
  max-width: 46ch;
  margin: 0;
}
@media print {
  .prompt-actions {
    display: none;
  }
  .prompt-callout {
    break-inside: avoid;
    background: #f6f3ec;
    padding: 18px;
  }
  .prompt-callout h3 {
    font-size: 15pt;
  }
  .north-star {
    background: #f3f1ec;
    color: #111;
    break-inside: avoid;
  }
  .north-star h3,
  .north-star p {
    color: #111 !important;
  }
}

.mobile-doc-links { display: none; }
@media (max-width: 720px) {
  .mast nav { flex-wrap: wrap; justify-content: flex-end; gap: 0 18px; padding-block: 12px; }
  .mast nav .mobile-doc-links { display: flex; gap: 18px; width: 100%; justify-content: flex-end; }
}