:root {
  --studio: #141210;
  --field-2: #1e1b18;
  --reverse: #f2ece0;
  --muted-dk: #9a948a;
  --line-dk: #3a352f;
  --safety: #d96c2c;
  --plate: #f2ece0;
  --plate-ink: #141210;
  --plate-line: #d8d2c6;
  --steelhui: #2a4035;
  --content: 1440px;
  --reading: 760px;
  color-scheme: dark;
  font-family: Inter, Arial, Helvetica, sans-serif;
  font-synthesis: none;
  letter-spacing: 0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--studio);
  color: var(--reverse);
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--safety);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  padding: 0.75rem 1rem;
  background: var(--plate);
  color: var(--plate-ink);
  transform: translateY(-120%);
}

.skip-link:focus {
  transform: translateY(0);
}

.easel-frame {
  position: fixed;
  z-index: 40;
  inset: 16px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 14px;
  padding: 7px 12px;
  border: 1px solid var(--line-dk);
  color: var(--muted-dk);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.62rem;
  pointer-events: none;
}

.site-header {
  border-bottom: 1px solid var(--line-dk);
}

.header-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: center;
  max-width: var(--content);
  min-height: 82px;
  margin: 0 auto;
  padding: 0 40px;
}

.wordmark {
  grid-column: 1 / 4;
  font-family: "Space Grotesk", Arial, sans-serif;
  font-size: 1.45rem;
  font-weight: 700;
}

.header-note,
.header-status,
.header-action,
.eyebrow,
.cover-meta,
.stage-counter,
.camera-combination,
.load-path,
.grease-mark,
.rail-heading,
.frame-rail,
.configuration-register,
.moment-figure,
.lock-sequence,
.interface-matrix,
.comparison-gates,
.stamp-grid,
code {
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.header-note,
.header-status,
.header-action {
  font-size: 0.7rem;
}

.header-note {
  grid-column: 4 / 7;
  color: var(--muted-dk);
}

.header-status {
  grid-column: 7 / 10;
  color: var(--safety);
}

.header-action {
  grid-column: 10 / 13;
  justify-self: end;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--safety);
  color: var(--reverse);
  font-weight: 700;
  text-decoration: none;
}

.article-cover {
  min-height: 760px;
  border-bottom: 1px solid var(--line-dk);
}

.cover-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0 28px;
  max-width: var(--content);
  margin: 0 auto;
  padding: 104px 40px 96px;
}

.cover-copy {
  grid-column: 1 / 7;
  align-self: center;
}

.eyebrow {
  margin: 0 0 1.1rem;
  color: var(--muted-dk);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow span {
  color: var(--safety);
}

h1 {
  margin: 0 0 2rem;
  max-width: 780px;
  font-family: "Space Grotesk", Arial, sans-serif;
  font-size: 3.65rem;
  font-weight: 600;
  line-height: 1.03;
}

.standfirst {
  max-width: 620px;
  margin: 0;
  color: var(--reverse);
  font-size: 1.22rem;
  line-height: 1.55;
}

.cover-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 48px 0 0;
  border-top: 1px solid var(--line-dk);
  border-left: 1px solid var(--line-dk);
}

.cover-meta div {
  padding: 12px;
  border-right: 1px solid var(--line-dk);
  border-bottom: 1px solid var(--line-dk);
}

.cover-meta dt {
  color: var(--muted-dk);
  font-size: 0.65rem;
}

.cover-meta dd {
  margin: 0.4rem 0 0;
  font-size: 0.72rem;
  font-weight: 700;
}

.load-stage {
  position: relative;
  grid-column: 7 / 13;
  min-height: 570px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-dk);
  background: var(--field-2);
}

.stage-counter {
  position: absolute;
  top: 14px;
  left: 16px;
  color: var(--muted-dk);
  font-size: 0.64rem;
}

.camera-combination {
  position: absolute;
  top: 92px;
  left: 50%;
  width: 78%;
  height: 170px;
  transform: translateX(-50%);
}

.camera-body,
.lens-body,
.accessory-body {
  position: absolute;
  display: grid;
  place-items: center;
  border: 1px solid var(--reverse);
  background: var(--studio);
  color: var(--muted-dk);
  font-size: 0.62rem;
}

.camera-body {
  top: 32px;
  left: 26%;
  width: 34%;
  height: 108px;
}

.lens-body {
  top: 52px;
  left: 60%;
  width: 38%;
  height: 68px;
  border-left-color: var(--safety);
}

.accessory-body {
  top: 0;
  left: 34%;
  width: 20%;
  height: 34px;
}

.cog-mark {
  position: absolute;
  top: 132px;
  left: 56%;
  padding: 0.28rem 0.42rem;
  background: var(--safety);
  color: var(--studio);
  font-size: 0.6rem;
  font-weight: 800;
}

.load-path {
  position: absolute;
  top: 280px;
  left: 50%;
  display: grid;
  grid-template-rows: 34px 42px 34px 42px 34px 42px;
  justify-items: center;
  width: 180px;
  transform: translateX(-50%);
}

.path-segment {
  width: 1px;
  height: 100%;
  background: var(--safety);
}

.path-node {
  display: grid;
  place-items: center;
  width: 180px;
  border: 1px solid var(--line-dk);
  background: var(--studio);
  color: var(--reverse);
  font-size: 0.64rem;
}

.grease-mark {
  position: absolute;
  top: 316px;
  right: 32px;
  padding: 8px 10px;
  border: 2px solid var(--safety);
  color: var(--safety);
  font-size: 0.58rem;
  transform: rotate(-5deg);
}

.load-stage figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 12px 16px;
  border-top: 1px solid var(--line-dk);
  color: var(--muted-dk);
  font-size: 0.72rem;
}

.test-strip {
  display: grid;
  grid-template-columns: repeat(6, 34px) 1fr;
  gap: 6px;
  align-items: center;
  max-width: calc(var(--content) - 80px);
  height: 74px;
  margin: 0 auto;
  border-bottom: 1px solid var(--line-dk);
}

.test-strip::after {
  height: 1px;
  background: var(--line-dk);
  content: "";
}

.test-strip i {
  display: block;
  height: 16px;
  background: var(--reverse);
}

.test-strip i:nth-child(1) { opacity: 0.08; }
.test-strip i:nth-child(2) { opacity: 0.14; }
.test-strip i:nth-child(3) { opacity: 0.2; }
.test-strip i:nth-child(4) { opacity: 0.26; }
.test-strip i:nth-child(5) { opacity: 0.33; }
.test-strip i:nth-child(6) { opacity: 0.4; }

.article-toc {
  max-width: calc(var(--content) - 80px);
  margin: 64px auto;
  border-top: 1px solid var(--line-dk);
  border-bottom: 1px solid var(--line-dk);
}

.article-toc summary {
  padding: 16px 0;
  color: var(--reverse);
  cursor: pointer;
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.76rem;
  font-weight: 700;
}

.article-toc ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 1px;
  background: var(--line-dk);
  list-style-position: inside;
}

.article-toc li {
  min-height: 88px;
  padding: 16px;
  background: var(--studio);
  color: var(--muted-dk);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
}

.article-toc a {
  color: var(--reverse);
}

.reading-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0 28px;
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 40px 112px;
}

.frame-rail {
  position: sticky;
  top: 32px;
  align-self: start;
  color: var(--muted-dk);
  font-size: 0.68rem;
}

.rail-left {
  grid-column: 1 / 3;
}

.rail-right {
  grid-column: 11 / 13;
}

.rail-heading {
  margin: 0;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--line-dk);
  color: var(--safety);
}

.rail-left ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.rail-left li {
  display: grid;
  grid-template-columns: 34px 1fr;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line-dk);
}

.rail-left li span,
.rail-right span {
  color: var(--safety);
}

.rail-right div {
  padding: 0.9rem 0;
  border-top: 1px solid var(--line-dk);
}

.rail-right strong,
.rail-right p {
  display: block;
  margin: 0.45rem 0 0;
}

.rail-right strong {
  color: var(--reverse);
}

.article-body {
  grid-column: 3 / 11;
  max-width: var(--reading);
  width: 100%;
  margin: 0 auto;
}

.article-section {
  padding: 72px 0 20px;
  border-top: 1px solid var(--line-dk);
  scroll-margin-top: 32px;
}

.article-section:first-child {
  padding-top: 0;
  border-top: 0;
}

h2,
h3,
p,
li,
td,
th {
  overflow-wrap: break-word;
}

h2 {
  margin: 0 0 1.7rem;
  font-family: "Space Grotesk", Arial, sans-serif;
  font-size: 2.35rem;
  font-weight: 600;
  line-height: 1.12;
}

.article-body p {
  margin: 0 0 1.35rem;
}

.article-body .lead {
  color: var(--reverse);
  font-size: 1.2rem;
  line-height: 1.55;
}

.article-body p:not(.lead):not(.eyebrow) {
  color: #cec7bb;
}

.citation {
  color: var(--safety);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-weight: 700;
  text-decoration: none;
}

code {
  color: var(--reverse);
  font-size: 0.88em;
}

.configuration-register {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 40px 0;
  border-top: 1px solid var(--line-dk);
  border-left: 1px solid var(--line-dk);
}

.configuration-register div {
  min-height: 120px;
  padding: 14px;
  border-right: 1px solid var(--line-dk);
  border-bottom: 1px solid var(--line-dk);
}

.configuration-register span,
.configuration-register strong {
  display: block;
}

.configuration-register span {
  margin-bottom: 1.6rem;
  color: var(--safety);
  font-size: 0.64rem;
}

.configuration-register strong {
  font-size: 0.7rem;
}

.moment-figure {
  display: grid;
  grid-template-columns: 1fr 150px 1fr;
  align-items: center;
  margin: 44px 0;
  border: 1px solid var(--line-dk);
  background: var(--field-2);
}

.moment-rig,
.moment-support {
  display: grid;
  place-items: center;
  min-height: 180px;
  padding: 16px;
  border-right: 1px solid var(--line-dk);
  font-size: 0.7rem;
  text-align: center;
}

.moment-rig b {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-top: 20px;
  border: 2px solid var(--safety);
  color: var(--safety);
}

.moment-offset {
  position: relative;
  min-height: 180px;
  border-right: 1px solid var(--line-dk);
}

.moment-offset::before {
  position: absolute;
  top: 50%;
  right: 18px;
  left: 18px;
  border-top: 2px solid var(--safety);
  content: "";
}

.moment-offset span {
  position: absolute;
  top: calc(50% - 30px);
  left: 50%;
  color: var(--safety);
  font-size: 0.62rem;
  transform: translateX(-50%);
  white-space: nowrap;
}

.moment-support strong {
  margin-top: 20px;
  color: var(--safety);
}

.moment-figure figcaption {
  grid-column: 1 / 4;
  padding: 12px 14px;
  border-top: 1px solid var(--line-dk);
  color: var(--muted-dk);
  font-size: 0.7rem;
}

.section-strip {
  width: 100%;
  height: 64px;
  margin: 34px 0 0;
}

.lock-sequence {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 42px 0;
  padding: 1px;
  background: var(--line-dk);
}

.lock-state {
  position: relative;
  min-height: 180px;
  padding: 14px;
  background: var(--field-2);
}

.lock-state span,
.lock-state strong,
.lock-state p {
  display: block;
}

.lock-state span {
  color: var(--muted-dk);
  font-size: 0.62rem;
}

.lock-state strong {
  margin-top: 2.8rem;
  color: var(--reverse);
  font-size: 0.78rem;
}

.lock-state p {
  margin-top: 0.6rem;
  color: var(--muted-dk) !important;
  font-size: 0.66rem;
}

.lock-state.selected::after {
  position: absolute;
  inset: 10px 8px 12px;
  border: 2px solid var(--safety);
  content: "";
  transform: rotate(-2deg);
}

.table-scroll {
  margin: 42px 0;
  overflow-x: auto;
}

.interface-matrix {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  border: 1px solid var(--line-dk);
  font-size: 0.72rem;
}

.interface-matrix caption {
  padding: 12px 14px;
  border: 1px solid var(--line-dk);
  border-bottom: 0;
  color: var(--safety);
  text-align: left;
}

.interface-matrix th,
.interface-matrix td {
  padding: 13px;
  border-right: 1px solid var(--line-dk);
  border-bottom: 1px solid var(--line-dk);
  text-align: left;
  vertical-align: top;
}

.interface-matrix th {
  color: var(--reverse);
}

.interface-matrix td {
  color: var(--muted-dk);
}

.interface-matrix td:first-child {
  color: var(--safety);
  font-weight: 700;
}

.comparison-gates {
  margin: 42px 0;
  border-top: 1px solid var(--line-dk);
  border-left: 1px solid var(--line-dk);
}

.comparison-gates div {
  display: grid;
  grid-template-columns: 110px 1fr 90px;
  gap: 18px;
  align-items: center;
  min-height: 66px;
  padding: 12px 14px;
  border-right: 1px solid var(--line-dk);
  border-bottom: 1px solid var(--line-dk);
}

.comparison-gates span,
.comparison-gates em {
  color: var(--safety);
  font-size: 0.65rem;
  font-style: normal;
}

.comparison-gates strong {
  font-size: 0.72rem;
}

.comparison-gates em {
  text-align: right;
}

.risk-callout {
  margin: 42px 0;
  padding: 30px;
  border: 1px solid var(--safety);
  background: var(--field-2);
}

.risk-callout strong {
  display: block;
  max-width: 650px;
  font-family: "Space Grotesk", Arial, sans-serif;
  font-size: 1.45rem;
  line-height: 1.35;
}

.takeaways {
  margin-top: 88px;
  padding: 38px;
  border-top: 8px solid var(--safety);
  background: var(--field-2);
}

.takeaways h2 {
  margin-top: 0;
}

.takeaways ul {
  margin: 0;
  padding-left: 1.2rem;
}

.takeaways li {
  margin: 0.7rem 0;
  color: #cec7bb;
}

.references {
  padding: 84px 0 0;
  scroll-margin-top: 32px;
}

.references ol {
  margin: 0;
  padding-left: 1.3rem;
}

.references li {
  margin-bottom: 1.2rem;
  padding-left: 0.4rem;
  color: var(--muted-dk);
  font-size: 0.86rem;
  overflow-wrap: anywhere;
}

.references a {
  color: var(--reverse);
}

.references .reference-note {
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid var(--line-dk);
  color: var(--muted-dk) !important;
  font-size: 0.8rem;
}

.inquiry-band {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 28px;
  align-items: end;
  padding: 84px max(40px, calc((100% - var(--content)) / 2 + 40px));
  border-top: 1px solid var(--line-dk);
  background: var(--field-2);
}

.inquiry-band > div {
  grid-column: 1 / 7;
}

.inquiry-band h2 {
  margin: 0;
}

.inquiry-band > p {
  grid-column: 7 / 11;
  margin: 0;
  color: var(--muted-dk);
}

.inquiry-band > a {
  grid-column: 11 / 13;
  padding: 1rem;
  border: 1px solid var(--safety);
  color: var(--reverse);
  font-weight: 700;
  text-align: center;
  text-decoration: none;
}

.back-stamp {
  background: var(--plate);
  color: var(--plate-ink);
}

.stamp-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 40px 40px;
}

.stamp-grid > div {
  min-height: 118px;
  padding: 18px;
  border-right: 1px solid var(--plate-line);
  border-bottom: 1px solid var(--plate-line);
}

.stamp-grid > div:first-child {
  border-left: 1px solid var(--plate-line);
}

.stamp-grid span,
.stamp-grid strong,
.stamp-grid a {
  display: block;
}

.stamp-grid span {
  margin-bottom: 1.3rem;
  color: #665f56;
  font-size: 0.62rem;
}

.stamp-grid strong,
.stamp-grid a {
  font-size: 0.7rem;
}

.family-stamp a {
  color: var(--steelhui);
  font-family: Georgia, serif;
  font-size: 0.85rem;
  font-style: italic;
  font-weight: 700;
}

@media (max-width: 1080px) {
  .header-status {
    display: none;
  }

  .header-note {
    grid-column: 5 / 9;
  }

  .header-action {
    grid-column: 9 / 13;
  }

  .cover-copy,
  .load-stage {
    grid-column: 1 / 13;
  }

  .load-stage {
    min-height: 540px;
    margin-top: 64px;
  }

  .reading-grid {
    gap: 0;
  }

  .frame-rail {
    display: none;
  }

  .article-body {
    grid-column: 2 / 12;
  }

  .article-toc ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .inquiry-band > div {
    grid-column: 1 / 8;
  }

  .inquiry-band > p {
    grid-column: 8 / 13;
  }

  .inquiry-band > a {
    grid-column: 1 / 4;
    margin-top: 18px;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  .easel-frame {
    right: 0;
    left: 0;
    border-right: 0;
    border-left: 0;
  }

  .header-grid {
    min-height: 76px;
    padding: 12px 24px;
  }

  .wordmark {
    grid-column: 1 / 7;
  }

  .header-note {
    display: none;
  }

  .header-action {
    grid-column: 7 / 13;
    padding: 0.55rem;
    font-size: 0.62rem;
    text-align: center;
  }

  .article-cover {
    min-height: 0;
  }

  .cover-grid {
    padding: 72px 24px 64px;
  }

  h1 {
    font-size: 2.45rem;
  }

  .standfirst {
    font-size: 1.06rem;
  }

  .cover-meta {
    grid-template-columns: 1fr;
  }

  .load-stage {
    min-height: 510px;
    margin-top: 48px;
  }

  .camera-combination {
    width: 90%;
  }

  .grease-mark {
    top: 266px;
    right: 12px;
    font-size: 0.5rem;
  }

  .test-strip,
  .article-toc {
    max-width: calc(100% - 48px);
  }

  .test-strip {
    grid-template-columns: repeat(6, 20px) 1fr;
  }

  .article-toc {
    margin: 48px 24px;
  }

  .article-toc ol {
    grid-template-columns: 1fr;
  }

  .article-toc li {
    min-height: 0;
  }

  .reading-grid {
    padding: 0 24px 80px;
  }

  .article-body {
    grid-column: 1 / 13;
  }

  .article-section {
    padding-top: 58px;
  }

  h2 {
    font-size: 1.78rem;
  }

  .article-body .lead {
    font-size: 1.06rem;
  }

  .configuration-register,
  .lock-sequence {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .moment-figure {
    grid-template-columns: 1fr;
  }

  .moment-rig,
  .moment-offset,
  .moment-support {
    min-height: 130px;
    border-right: 0;
    border-bottom: 1px solid var(--line-dk);
  }

  .moment-figure figcaption {
    grid-column: 1;
  }

  .comparison-gates div {
    grid-template-columns: 72px 1fr;
  }

  .comparison-gates em {
    grid-column: 2;
    text-align: left;
  }

  .risk-callout,
  .takeaways {
    padding: 24px;
  }

  .inquiry-band {
    gap: 22px;
    padding: 64px 24px;
  }

  .inquiry-band > div,
  .inquiry-band > p,
  .inquiry-band > a {
    grid-column: 1 / 13;
  }

  .inquiry-band > a {
    margin: 0;
  }

  .stamp-grid {
    grid-template-columns: 1fr;
    padding: 0 24px 40px;
  }

  .stamp-grid > div {
    min-height: 92px;
    border-left: 1px solid var(--plate-line);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .easel-frame,
  .site-header,
  .article-toc,
  .frame-rail,
  .inquiry-band,
  .back-stamp {
    display: none;
  }

  body {
    background: var(--white, #ffffff);
    color: var(--studio);
  }
}

/* Home, Resources, and renderer-compatible article shell. */
.wordmark {
  color: var(--reverse);
  text-decoration: none;
}

.site-links {
  grid-column: 4 / 7;
  display: flex;
  gap: 24px;
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
}

.site-links a {
  color: var(--muted-dk);
  text-decoration: none;
  text-transform: uppercase;
}

.site-links a:hover,
.site-links a[aria-current="page"] {
  color: var(--reverse);
  border-bottom: 2px solid var(--safety);
}

.site-page-cover {
  min-height: 720px;
  border-bottom: 1px solid var(--line-dk);
}

.site-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.site-actions a,
.featured-field-note > a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.75rem 0.95rem;
  border: 1px solid var(--safety);
  color: var(--reverse);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
}

.site-actions a + a {
  border-color: var(--line-dk);
}

.site-actions a:hover,
.featured-field-note > a:hover {
  color: var(--studio);
  background: var(--safety);
}

.home-contact-sheet {
  grid-column: 7 / 13;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  background: var(--line-dk);
}

.home-contact-sheet > div {
  position: relative;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  padding: 18px;
  background: var(--field-2);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

.home-contact-sheet span,
.home-contact-sheet i {
  color: var(--muted-dk);
  font-size: 0.62rem;
  font-style: normal;
}

.home-contact-sheet strong {
  margin-top: auto;
  color: var(--reverse);
  font-size: 0.8rem;
}

.home-contact-sheet i {
  margin-top: 8px;
}

.home-contact-sheet .selected::after {
  position: absolute;
  inset: 12px;
  border: 2px solid var(--safety);
  content: "";
  transform: rotate(-1deg);
}

.site-reading,
.resource-wall {
  max-width: calc(var(--content) - 80px);
  margin: 0 auto;
  padding: 104px 0 112px;
}

.site-section-head {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 5fr) minmax(16rem, 3fr);
  gap: 28px;
  align-items: end;
}

.site-section-head .eyebrow,
.site-section-head h2,
.site-section-head p {
  margin: 0;
}

.site-section-head > p:last-child {
  color: var(--muted-dk);
}

.boundary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 56px;
  padding: 1px;
  background: var(--line-dk);
}

.boundary-grid article {
  min-height: 260px;
  padding: 24px;
  background: var(--field-2);
}

.boundary-grid span,
.boundary-grid h3 {
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

.boundary-grid span {
  color: var(--safety);
  font-size: 0.65rem;
}

.boundary-grid h3 {
  margin: 64px 0 0;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.boundary-grid p {
  margin: 15px 0 0;
  color: var(--muted-dk);
  font-size: 0.88rem;
}

.featured-field-note {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(16rem, 4fr) auto;
  gap: 28px;
  align-items: end;
  padding: 84px max(40px, calc((100% - var(--content)) / 2 + 40px));
  border-top: 1px solid var(--line-dk);
  background: var(--field-2);
}

.featured-field-note h2,
.featured-field-note p {
  margin: 0;
}

.featured-field-note p {
  color: var(--muted-dk);
}

.resource-cover {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(10rem, 2fr);
  gap: 40px;
  align-items: end;
  max-width: var(--content);
  margin: 0 auto;
  padding: 104px 40px 96px;
  border-bottom: 1px solid var(--line-dk);
}

.resource-cover h1 {
  max-width: 16ch;
}

.resource-counter {
  justify-self: end;
  color: var(--safety);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
}

.resource-wall > .eyebrow {
  margin-bottom: 20px;
}

.resource-frame {
  display: grid;
  grid-template-columns: minmax(10rem, 1fr) minmax(0, 4fr) auto;
  gap: 28px;
  align-items: center;
  padding: 30px 0;
  border-top: 1px solid var(--reverse);
  border-bottom: 1px solid var(--line-dk);
  color: var(--reverse);
  text-decoration: none;
}

.resource-frame > span,
.resource-frame > strong {
  color: var(--safety);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.66rem;
}

.resource-frame h2,
.resource-frame p {
  margin: 0;
}

.resource-frame h2 {
  font-size: 2rem;
}

.resource-frame p {
  margin-top: 14px;
  color: var(--muted-dk);
}

.resource-frame:hover h2 {
  color: var(--safety);
}

.template-stage {
  grid-column: 7 / 13;
  min-height: 420px;
  display: grid;
  align-content: center;
  padding: 24px;
  overflow: hidden;
  border: 1px solid var(--line-dk);
  background: var(--field-2);
}

.template-stage:empty::before {
  color: var(--muted-dk);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  content: "HERO MEDIA / NOT ASSIGNED";
}

.template-stage img,
.template-stage picture {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
}

.template-stage .article-hero-media {
  margin: 0;
}

.template-stage .article-hero-media figcaption {
  padding: 12px 0 0;
  color: var(--muted-dk);
  border-top: 1px solid var(--line-dk);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
}

.template-reading-grid .article-body {
  grid-column: 3 / 11;
}

.template-reading-grid .article-body > h2 {
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid var(--line-dk);
}

.template-reading-grid .article-body > h2:first-child {
  margin-top: 0;
}

.template-reading-grid .article-body h3 {
  margin: 42px 0 14px;
  font-family: "Space Grotesk", Arial, sans-serif;
  font-size: 1.45rem;
}

.template-reading-grid .article-body ul,
.template-reading-grid .article-body ol {
  margin: 0 0 1.5rem;
}

.template-reading-grid .article-body li {
  margin-bottom: 0.75rem;
  color: #cec7bb;
}

.template-reading-grid .article-body table {
  width: 100%;
  margin: 42px 0;
  border-collapse: collapse;
  font-size: 0.76rem;
}

.template-reading-grid .article-body th,
.template-reading-grid .article-body td {
  padding: 13px;
  border: 1px solid var(--line-dk);
  text-align: left;
  vertical-align: top;
}

.template-reading-grid .article-body th {
  color: var(--reverse);
}

.template-reading-grid .article-body td {
  color: var(--muted-dk);
}

@media (max-width: 1080px) {
  .site-links {
    grid-column: 5 / 9;
  }

  .home-contact-sheet,
  .template-stage {
    grid-column: 1 / 13;
    margin-top: 56px;
  }

  .site-section-head,
  .featured-field-note {
    grid-template-columns: 1fr 2fr;
  }

  .site-section-head > p:last-child,
  .featured-field-note > a {
    grid-column: 2;
  }
}

@media (max-width: 720px) {
  .site-links {
    grid-column: 1 / 13;
    grid-row: 2;
    justify-self: start;
    padding-bottom: 12px;
  }

  .header-grid {
    min-height: auto;
  }

  .site-reading,
  .resource-wall {
    max-width: calc(100% - 48px);
    padding: 72px 0 80px;
  }

  .site-section-head,
  .boundary-grid,
  .featured-field-note,
  .resource-cover,
  .resource-frame {
    grid-template-columns: 1fr;
  }

  .site-section-head > p:last-child,
  .featured-field-note > a {
    grid-column: 1;
  }

  .home-contact-sheet {
    grid-template-columns: 1fr;
  }

  .home-contact-sheet > div,
  .boundary-grid article {
    min-height: 190px;
  }

  .featured-field-note,
  .resource-cover {
    padding: 64px 24px;
  }

  .resource-counter {
    justify-self: start;
  }

  .resource-frame {
    gap: 18px;
  }

  .template-stage {
    min-height: 260px;
  }

  .template-reading-grid .article-body {
    grid-column: 1 / 13;
  }
}

@font-face {
  font-family: "SM4 Sans";
  src: url("fonts/manrope-variable.ttf") format("truetype");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
}

@font-face {
  font-family: "SM4 Mono";
  src: url("fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

.sm4-page {
  --sm4-stage: #151412;
  --sm4-paper: #f2eee6;
  --sm4-aluminum: #b7bdc2;
  --sm4-amber: #f2a900;
  --sm4-cyan: #1e9eaa;
  --sm4-cyan-text: #0b6f78;
  --sm4-family: #2a4035;
  --sm4-ink: #151412;
  --sm4-line: #cbc5ba;
  --sm4-soft: #ddd8cf;
  margin: 0;
  color: var(--sm4-ink);
  background: var(--sm4-paper);
  font-family: "SM4 Sans", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.58;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

.sm4-page *,
.sm4-page *::before,
.sm4-page *::after {
  box-sizing: border-box;
}

.sm4-page.sm4-shell {
  display: contents;
}

.sm4-page img {
  display: block;
  width: 100%;
  height: auto;
}

.sm4-page a {
  color: inherit;
}

.sm4-page h1,
.sm4-page h2,
.sm4-page h3,
.sm4-page p {
  margin-top: 0;
}

.sm4-page h1,
.sm4-page h2,
.sm4-page h3 {
  max-width: 22ch;
  line-height: 1.02;
  letter-spacing: 0;
}

.sm4-page h1 {
  margin-bottom: 24px;
  font-size: 66px;
  font-weight: 720;
}

.sm4-page h2 {
  margin-bottom: 22px;
  font-size: 44px;
  font-weight: 700;
}

.sm4-page h3 {
  margin-bottom: 12px;
  font-size: 25px;
  font-weight: 680;
}

.sm4-page .inner {
  width: calc(100% - 64px);
  max-width: 1440px;
  margin: 0 auto;
}

.sm4-page .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sm4-page .skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  color: var(--sm4-stage);
  background: var(--sm4-amber);
  transform: translateY(-160%);
}

.sm4-page .skip-link:focus {
  transform: translateY(0);
}

.sm4-page .site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  color: var(--sm4-paper);
  background: var(--sm4-stage);
  border-bottom: 1px solid rgba(242, 238, 230, 0.18);
}

.sm4-page .site-nav {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) auto auto;
  align-items: center;
  min-height: 70px;
  gap: 24px;
}

.sm4-page .wordmark {
  grid-column: auto;
  font-family: "SM4 Sans", Arial, sans-serif;
  font-size: 24px;
  font-weight: 760;
  text-decoration: none;
}

.sm4-page .wordmark span {
  color: var(--sm4-amber);
}

.sm4-page .nav-links {
  display: flex;
  justify-content: center;
  gap: 26px;
}

.sm4-page .nav-links a,
.sm4-page .nav-panel a {
  font-size: 14px;
  text-decoration: none;
}

.sm4-page .nav-links a[aria-current="page"] {
  color: var(--sm4-amber);
}

.sm4-page .nav-cta,
.sm4-page .button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border: 1px solid currentColor;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.sm4-page .nav-cta {
  color: var(--sm4-stage);
  background: var(--sm4-amber);
  border-color: var(--sm4-amber);
}

.sm4-page .button.amber {
  color: var(--sm4-stage);
  background: var(--sm4-amber);
  border-color: var(--sm4-amber);
}

.sm4-page .button.ink {
  color: var(--sm4-paper);
  background: var(--sm4-stage);
  border-color: var(--sm4-stage);
}

.sm4-page .nav-menu {
  display: none;
  width: 44px;
  height: 44px;
  color: var(--sm4-paper);
  background: transparent;
  border: 1px solid rgba(242, 238, 230, 0.45);
  font-size: 22px;
}

.sm4-page .nav-panel {
  grid-column: 1 / -1;
  padding: 12px 0 22px;
  border-top: 1px solid rgba(242, 238, 230, 0.18);
}

.sm4-page .nav-panel a {
  display: block;
  padding: 10px 0;
}

.sm4-page .nav-panel .nav-cta {
  display: inline-flex;
  margin-top: 8px;
  padding: 10px 16px;
}

.no-js .sm4-page .site-nav > noscript {
  grid-column: 1 / -1;
  display: block;
}

.sm4-page .nav-fallback {
  display: none;
}

.sm4-page .sm4-hero,
.sm4-page .article-v4-hero {
  position: relative;
  min-height: 760px;
  color: var(--sm4-paper);
  background: var(--sm4-stage);
  overflow: hidden;
}

.sm4-page .sm4-hero-media,
.sm4-page .article-v4-hero-media {
  position: absolute;
  inset: 0;
}

.sm4-page .sm4-hero-media img,
.sm4-page .article-v4-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sm4-page .sm4-hero-shade,
.sm4-page .article-v4-hero-shade {
  position: absolute;
  inset: 0;
  background: rgba(21, 20, 18, 0.52);
}

.sm4-page .sm4-hero-copy,
.sm4-page .article-v4-hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 760px;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  padding-top: 120px;
  padding-bottom: 82px;
}

.sm4-page .sm4-hero-copy h1,
.sm4-page .article-v4-hero-copy h1 {
  max-width: 14ch;
  text-wrap: balance;
}

.sm4-page .lede {
  max-width: 700px;
  margin-bottom: 28px;
  font-size: 20px;
}

.sm4-page .eyebrow,
.sm4-page .media-code,
.sm4-page .article-meta,
.sm4-page .form-section-number {
  font-family: "SM4 Mono", monospace;
  font-size: 12px;
  line-height: 1.45;
  letter-spacing: 0;
  text-transform: uppercase;
}

.sm4-page .eyebrow {
  margin-bottom: 16px;
  color: var(--sm4-cyan-text);
}

.sm4-page :is(.sm4-hero, .article-v4-hero, .stage, .split-stage, .green, .site-footer) .eyebrow,
.sm4-page :is(.stage, .split-stage, .green, .site-footer) .media-code {
  color: var(--sm4-cyan);
}

.sm4-page .representative {
  max-width: 760px;
  margin: 24px 0 0;
  color: rgba(242, 238, 230, 0.74);
  font-size: 13px;
}

.sm4-page .representative.inverse {
  color: rgba(242, 238, 230, 0.72);
}

.sm4-page .action-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.sm4-page .text-link {
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.sm4-page .text-link.light {
  color: var(--sm4-paper);
}

.sm4-page .index-rail {
  color: var(--sm4-stage);
  background: var(--sm4-amber);
}

.sm4-page .index-rail-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.sm4-page .index-rail-grid span {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-left: 1px solid rgba(21, 20, 18, 0.35);
  font-family: "SM4 Mono", monospace;
  font-size: 13px;
}

.sm4-page .editorial-band {
  padding: 112px 0;
}

.sm4-page .editorial-band.paper {
  background: var(--sm4-paper);
}

.sm4-page .editorial-band.stage,
.sm4-page .editorial-band.split-stage {
  color: var(--sm4-paper);
  background: var(--sm4-stage);
}

.sm4-page .editorial-band.green {
  color: var(--sm4-paper);
  background: var(--sm4-family);
}

.sm4-page .editorial-band.compact {
  padding: 72px 0;
}

.sm4-page .section-head {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: end;
  gap: 24px;
  margin-bottom: 52px;
}

.sm4-page .section-head > div {
  grid-column: 1 / 8;
}

.sm4-page .section-head > p,
.sm4-page .section-head > a {
  grid-column: 9 / 13;
}

.sm4-page .section-head.inverse {
  color: var(--sm4-paper);
}

.sm4-page .family-grid,
.sm4-page .system-family-list {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.sm4-page .family-item,
.sm4-page .system-family {
  grid-column: span 4;
  display: flex;
  min-width: 0;
  flex-direction: column;
  background: #e4dfd6;
  border-top: 5px solid var(--sm4-stage);
}

.sm4-page .family-item picture,
.sm4-page .system-family picture {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.sm4-page .family-item img,
.sm4-page .system-family img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sm4-page .media-copy,
.sm4-page .application-copy {
  padding: 22px;
}

.sm4-page .media-copy p:last-child,
.sm4-page .application-copy p:last-child {
  margin-bottom: 0;
}

.sm4-page .media-code {
  margin-bottom: 10px;
  color: var(--sm4-cyan-text);
}

.sm4-page .capture-triptych,
.sm4-page .scale-grid,
.sm4-page .engineering-trio,
.sm4-page .process-images {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.sm4-page .capture-item,
.sm4-page .scale-item,
.sm4-page .engineering-item,
.sm4-page .process-image {
  min-width: 0;
  color: var(--sm4-paper);
  background: #201e1b;
  border-bottom: 5px solid var(--sm4-amber);
}

.sm4-page .capture-item picture,
.sm4-page .scale-item picture,
.sm4-page .engineering-item picture,
.sm4-page .process-image picture {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.sm4-page .capture-item img,
.sm4-page .scale-item img,
.sm4-page .engineering-item img,
.sm4-page .process-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sm4-page .editorial-split {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: center;
  gap: 36px;
}

.sm4-page .split-copy {
  grid-column: 1 / 6;
}

.sm4-page .split-media,
.sm4-page .split-stack {
  grid-column: 7 / 13;
}

.sm4-page .editorial-split.reverse .split-media,
.sm4-page .editorial-split.reverse .split-stack {
  grid-column: 1 / 7;
  grid-row: 1;
}

.sm4-page .editorial-split.reverse .split-copy {
  grid-column: 8 / 13;
}

.sm4-page .split-media figcaption,
.sm4-page .split-stack figcaption,
.sm4-page .article-v4-body figcaption {
  padding-top: 10px;
  font-family: "SM4 Mono", monospace;
  font-size: 11px;
}

.sm4-page .split-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.sm4-page .split-stack figure,
.sm4-page .split-media {
  margin: 0;
}

.sm4-page .number-list {
  columns: 2;
  padding-left: 20px;
  margin: 30px 0;
}

.sm4-page .number-list li,
.sm4-page .check-list li {
  margin-bottom: 8px;
}

.sm4-page .package-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 28px 0;
  background: rgba(242, 238, 230, 0.25);
}

.sm4-page .package-list span {
  padding: 14px;
  color: var(--sm4-paper);
  background: var(--sm4-stage);
  border: 1px solid rgba(242, 238, 230, 0.2);
}

.sm4-page .cta-band {
  padding: 70px 0;
  color: var(--sm4-stage);
  background: var(--sm4-amber);
}

.sm4-page .cta-band .inner {
  display: grid;
  grid-template-columns: 2fr 5fr auto;
  align-items: end;
  gap: 28px;
}

.sm4-page .cta-band h2 {
  margin-bottom: 0;
}

.sm4-page .system-family-list {
  row-gap: 46px;
}

.sm4-page .system-family:nth-child(2),
.sm4-page .system-family:nth-child(5) {
  transform: translateY(24px);
}

.sm4-page .scale-grid {
  margin-bottom: 24px;
}

.sm4-page details {
  border-top: 1px solid var(--sm4-line);
  padding: 16px 0;
}

.sm4-page details:last-of-type {
  border-bottom: 1px solid var(--sm4-line);
}

.sm4-page summary {
  font-weight: 720;
  cursor: pointer;
}

.sm4-page details p {
  margin: 14px 0 0;
}

.sm4-page .package-media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 42px;
}

.sm4-page .package-media-item {
  background: #201e1b;
  border-bottom: 5px solid var(--sm4-cyan);
}

.sm4-page .package-table {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(242, 238, 230, 0.3);
  border-bottom: 1px solid rgba(242, 238, 230, 0.3);
}

.sm4-page .package-table article {
  padding: 26px;
  border-left: 1px solid rgba(242, 238, 230, 0.3);
}

.sm4-page .package-table article:first-child {
  border-left: 0;
}

.sm4-page .package-table span {
  color: var(--sm4-amber);
  font-family: "SM4 Mono", monospace;
}

.sm4-page .application-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 38px;
  border: 1px solid var(--sm4-stage);
  width: fit-content;
}

.sm4-page .application-filter button {
  min-height: 44px;
  padding: 10px 18px;
  color: var(--sm4-stage);
  background: transparent;
  border: 0;
  border-left: 1px solid var(--sm4-stage);
  font: inherit;
  cursor: pointer;
}

.sm4-page .application-filter button:first-child {
  border-left: 0;
}

.sm4-page .application-filter button[aria-pressed="true"] {
  color: var(--sm4-paper);
  background: var(--sm4-stage);
}

.sm4-page .application-list {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.sm4-page .application-item {
  grid-column: span 6;
  min-width: 0;
  background: #e4dfd6;
}

.sm4-page .application-item:nth-child(3n + 1) {
  grid-column: span 7;
}

.sm4-page .application-item:nth-child(3n + 2) {
  grid-column: span 5;
}

.sm4-page .application-item picture {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.sm4-page .application-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sm4-page .application-item[hidden],
.sm4-page [data-resource-item][hidden] {
  display: none;
}

.sm4-page .responsibility-line {
  display: grid;
  grid-template-columns: 5fr 4fr auto;
  align-items: center;
  gap: 32px;
}

.sm4-page .responsibility-line h2 {
  margin-bottom: 0;
}

.sm4-page .check-list {
  padding-left: 20px;
  margin: 26px 0 0;
}

.sm4-page .boundary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(242, 238, 230, 0.35);
}

.sm4-page .boundary-grid article {
  padding: 48px;
  background: var(--sm4-family);
}

.sm4-page .project-sequence {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.sm4-page .project-step {
  grid-column: span 6;
  min-width: 0;
  background: #e4dfd6;
  border-top: 5px solid var(--sm4-amber);
}

.sm4-page .project-step:nth-child(3),
.sm4-page .project-step:nth-child(6) {
  grid-column: span 12;
  display: grid;
  grid-template-columns: 2fr 1fr;
  align-items: stretch;
}

.sm4-page .project-step picture {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.sm4-page .project-step img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sm4-page .resource-toolbar {
  display: grid;
  grid-template-columns: 5fr 4fr 2fr;
  align-items: end;
  gap: 28px;
  margin-bottom: 50px;
}

.sm4-page .search-field {
  display: grid;
  gap: 8px;
  font-family: "SM4 Mono", monospace;
  font-size: 12px;
}

.sm4-page input,
.sm4-page select,
.sm4-page textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  color: var(--sm4-stage);
  background: #fbf8f2;
  border: 1px solid #8d887f;
  border-radius: 0;
  font: inherit;
}

.sm4-page textarea {
  min-height: 116px;
  resize: vertical;
}

.sm4-page .featured-resource,
.sm4-page .resource-row {
  display: grid;
  grid-template-columns: 7fr 5fr;
  align-items: stretch;
  gap: 0;
  border-top: 1px solid var(--sm4-stage);
}

.sm4-page .featured-resource {
  margin-bottom: 46px;
  color: var(--sm4-paper);
  background: var(--sm4-stage);
}

.sm4-page .featured-resource > div,
.sm4-page .resource-row > div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 36px;
}

.sm4-page .featured-resource picture,
.sm4-page .resource-row picture {
  min-height: 320px;
}

.sm4-page .featured-resource img,
.sm4-page .resource-row img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sm4-page .resource-row:nth-child(even) {
  grid-template-columns: 5fr 7fr;
}

.sm4-page .resource-row:nth-child(even) picture {
  grid-column: 2;
}

.sm4-page .resource-row:nth-child(even) > div {
  grid-column: 1;
  grid-row: 1;
}

.sm4-page .resource-row.text-only {
  grid-template-columns: 1fr;
  color: var(--sm4-paper);
  background: var(--sm4-family);
}

.sm4-page .article-v4-hero {
  min-height: 680px;
}

.sm4-page .article-v4-hero-copy {
  min-height: 680px;
}

.sm4-page .article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  color: rgba(242, 238, 230, 0.76);
}

.sm4-page .article-layout {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 42px;
  padding-top: 90px;
  padding-bottom: 120px;
}

.sm4-page .article-toc {
  grid-column: 1 / 4;
  position: sticky;
  top: 96px;
  align-self: start;
  max-width: none;
  margin: 0;
  border-top: 5px solid var(--sm4-amber);
  border-bottom: 1px solid var(--sm4-line);
  color: var(--sm4-ink);
  background: transparent;
  padding: 20px 0;
}

.sm4-page .article-toc summary {
  padding: 0 0 16px;
  color: var(--sm4-ink);
  font-family: "SM4 Mono", monospace;
  font-size: 13px;
  line-height: 1.45;
}

.sm4-page .article-toc ol {
  display: block;
  grid-template-columns: none;
  gap: 0;
  margin: 0;
  padding-left: 24px;
  background: transparent;
  list-style-position: outside;
}

.sm4-page .article-toc li {
  min-height: 0;
  padding: 0;
  margin-bottom: 10px;
  color: var(--sm4-ink);
  background: transparent;
  font-family: "SM4 Sans", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

.sm4-page .article-toc a {
  color: inherit;
}

.sm4-page .article-v4-body {
  grid-column: 4 / 11;
  min-width: 0;
}

.sm4-page .article-v4-body section {
  padding: 0 0 70px;
  margin-bottom: 70px;
  border-bottom: 1px solid var(--sm4-line);
  scroll-margin-top: 100px;
}

.sm4-page .article-v4-body p {
  font-size: 18px;
}

.sm4-page .article-v4-body figure {
  margin: 38px 0 0;
}

.sm4-page .source-boundary-list {
  display: grid;
  gap: 16px;
  margin: 30px 0;
  padding-left: 24px;
}

.sm4-page .source-boundary-list li {
  padding: 0 0 16px 8px;
  border-bottom: 1px solid var(--sm4-line);
}

.sm4-page .source-boundary-list strong {
  display: block;
  margin-bottom: 6px;
}

.sm4-page .article-callout {
  margin-top: 36px;
  padding: 30px;
  color: var(--sm4-paper);
  background: var(--sm4-stage);
  border-left: 8px solid var(--sm4-amber);
}

.sm4-page .inquiry-layout {
  display: grid;
  grid-template-columns: 4fr 8fr;
  align-items: start;
  gap: 52px;
}

.sm4-page .brief-rail {
  position: sticky;
  top: 100px;
}

.sm4-page .brief-rail picture {
  display: block;
  margin: 24px 0;
}

.sm4-page .inquiry-form {
  border-top: 5px solid var(--sm4-stage);
}

.sm4-page .form-section {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 24px;
  padding: 38px 0;
  border-bottom: 1px solid var(--sm4-line);
}

.sm4-page .form-section-number {
  color: var(--sm4-cyan-text);
}

.sm4-page .form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.sm4-page .field {
  display: grid;
  align-content: start;
  gap: 7px;
}

.sm4-page .field.full {
  grid-column: 1 / -1;
}

.sm4-page .field label,
.sm4-page .file-list {
  font-size: 13px;
  font-weight: 700;
}

.sm4-page .field-error {
  display: none;
  color: #a43024;
  font-size: 12px;
}

.sm4-page .field.has-error .field-error {
  display: block;
}

.sm4-page .field.has-error input,
.sm4-page .field.has-error textarea {
  border-color: #a43024;
}

.sm4-page .honeypot {
  position: absolute;
  left: -10000px;
}

.sm4-page .form-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 34px 0;
}

.sm4-page .form-actions p {
  margin-bottom: 0;
  font-size: 13px;
}

.sm4-page .form-status {
  grid-column: 2;
  padding: 36px;
  color: var(--sm4-paper);
  background: var(--sm4-family);
  border-left: 8px solid var(--sm4-amber);
}

.sm4-page .form-status textarea {
  min-height: 320px;
  margin: 18px 0;
  color: var(--sm4-stage);
  background: var(--sm4-paper);
}

.sm4-page .site-footer {
  padding: 84px 0 24px;
  color: var(--sm4-paper);
  background: var(--sm4-stage);
}

.sm4-page .footer-grid {
  display: grid;
  grid-template-columns: 5fr 3fr 3fr;
  gap: 48px;
}

.sm4-page .footer-links {
  display: grid;
  align-content: start;
  gap: 10px;
}

.sm4-page .footer-links a,
.sm4-page .footer-contact a {
  color: var(--sm4-paper);
}

.sm4-page .family-signature {
  color: #6da187;
}

.sm4-page .footer-note {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 64px;
  padding-top: 18px;
  border-top: 1px solid rgba(242, 238, 230, 0.18);
  font-family: "SM4 Mono", monospace;
  font-size: 11px;
}

.js .sm4-page .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.js .sm4-page .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .sm4-page h1 {
    font-size: 54px;
  }

  .sm4-page h2 {
    font-size: 38px;
  }

  .sm4-page .nav-links {
    gap: 16px;
  }

  .sm4-page .family-item,
  .sm4-page .system-family {
    grid-column: span 6;
  }

  .sm4-page .package-table {
    grid-template-columns: 1fr 1fr;
  }

  .sm4-page .package-table article:nth-child(3) {
    border-left: 0;
    border-top: 1px solid rgba(242, 238, 230, 0.3);
  }

  .sm4-page .package-table article:nth-child(4) {
    border-top: 1px solid rgba(242, 238, 230, 0.3);
  }
}

@media (max-width: 900px) {
  .sm4-page .inner {
    width: calc(100% - 40px);
  }

  .sm4-page .site-nav {
    grid-template-columns: 1fr auto;
  }

  .sm4-page .nav-links,
  .sm4-page .site-nav > .nav-cta {
    display: none;
  }

  .sm4-page .nav-menu {
    display: block;
  }

  .sm4-page .nav-fallback {
    grid-column: 1 / -1;
    display: grid;
    gap: 2px;
    padding: 12px 0 22px;
    border-top: 1px solid rgba(242, 238, 230, 0.18);
  }

  .sm4-page .nav-fallback a {
    padding: 10px 0;
    font-size: 14px;
    text-decoration: none;
  }

  .sm4-page .nav-fallback .nav-cta {
    justify-self: start;
    margin-top: 8px;
    padding: 10px 16px;
  }

  .sm4-page .sm4-hero,
  .sm4-page .sm4-hero-copy,
  .sm4-page .article-v4-hero,
  .sm4-page .article-v4-hero-copy {
    min-height: 680px;
  }

  .sm4-page .section-head,
  .sm4-page .editorial-split,
  .sm4-page .editorial-split.reverse,
  .sm4-page .cta-band .inner,
  .sm4-page .responsibility-line,
  .sm4-page .resource-toolbar,
  .sm4-page .inquiry-layout,
  .sm4-page .footer-grid {
    grid-template-columns: 1fr;
  }

  .sm4-page .section-head > div,
  .sm4-page .section-head > p,
  .sm4-page .section-head > a,
  .sm4-page .split-copy,
  .sm4-page .split-media,
  .sm4-page .split-stack,
  .sm4-page .editorial-split.reverse .split-copy,
  .sm4-page .editorial-split.reverse .split-media,
  .sm4-page .editorial-split.reverse .split-stack,
  .sm4-page .form-status {
    grid-column: 1;
    grid-row: auto;
  }

  .sm4-page .capture-triptych,
  .sm4-page .scale-grid,
  .sm4-page .engineering-trio,
  .sm4-page .process-images {
    grid-template-columns: 1fr;
  }

  .sm4-page .application-item,
  .sm4-page .application-item:nth-child(3n + 1),
  .sm4-page .application-item:nth-child(3n + 2) {
    grid-column: span 12;
  }

  .sm4-page .article-toc {
    grid-column: 1 / 13;
    position: static;
  }

  .sm4-page .article-v4-body {
    grid-column: 1 / 13;
  }

  .sm4-page .brief-rail {
    position: static;
  }
}

@media (max-width: 680px) {
  .sm4-page h1 {
    font-size: 42px;
  }

  .sm4-page h2 {
    font-size: 32px;
  }

  .sm4-page h3 {
    font-size: 22px;
  }

  .sm4-page .lede {
    font-size: 18px;
  }

  .sm4-page .editorial-band {
    padding: 78px 0;
  }

  .sm4-page .sm4-hero,
  .sm4-page .sm4-hero-copy,
  .sm4-page .article-v4-hero,
  .sm4-page .article-v4-hero-copy {
    min-height: 620px;
  }

  .sm4-page .sm4-hero-copy,
  .sm4-page .article-v4-hero-copy {
    padding-bottom: 54px;
  }

  .sm4-page .index-rail-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sm4-page .family-item,
  .sm4-page .system-family,
  .sm4-page .project-step,
  .sm4-page .project-step:nth-child(3),
  .sm4-page .project-step:nth-child(6) {
    grid-column: span 12;
    display: block;
  }

  .sm4-page .system-family:nth-child(2),
  .sm4-page .system-family:nth-child(5) {
    transform: none;
  }

  .sm4-page .split-stack,
  .sm4-page .package-media,
  .sm4-page .package-list,
  .sm4-page .package-table,
  .sm4-page .boundary-grid,
  .sm4-page .form-grid {
    grid-template-columns: 1fr;
  }

  .sm4-page .package-table article,
  .sm4-page .package-table article:nth-child(3),
  .sm4-page .package-table article:nth-child(4) {
    border-left: 0;
    border-top: 1px solid rgba(242, 238, 230, 0.3);
  }

  .sm4-page .package-table article:first-child {
    border-top: 0;
  }

  .sm4-page .featured-resource,
  .sm4-page .resource-row,
  .sm4-page .resource-row:nth-child(even) {
    grid-template-columns: 1fr;
  }

  .sm4-page .resource-row:nth-child(even) picture,
  .sm4-page .resource-row:nth-child(even) > div {
    grid-column: 1;
    grid-row: auto;
  }

  .sm4-page .form-section {
    grid-template-columns: 1fr;
  }

  .sm4-page .form-actions,
  .sm4-page .footer-note {
    align-items: flex-start;
    flex-direction: column;
  }

  .sm4-page .number-list {
    columns: 1;
  }

  .sm4-page .application-filter {
    width: 100%;
  }

  .sm4-page .application-filter button {
    flex: 1 1 50%;
    border-top: 1px solid var(--sm4-stage);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sm4-page *,
  .sm4-page *::before,
  .sm4-page *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .js .sm4-page .reveal {
    opacity: 1;
    transform: none;
  }
}

/* Dedicated Articles entry below the existing cover. */
[data-articles-entry] { border-top: 1px solid var(--line, var(--hairline, #d5d5d5)); border-bottom: 1px solid var(--line, var(--hairline, #d5d5d5)); }
.articles-entry-inner { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 42px 0; display: flex; align-items: end; justify-content: space-between; gap: 28px; }
.articles-entry-inner h2 { max-width: 620px; margin: 10px 0 0; }
.articles-entry-inner p:not(.eyebrow) { max-width: 620px; margin: 12px 0 0; color: var(--muted, #657078); }
.articles-entry-link { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; border: 1px solid currentColor; padding: 12px 16px; text-decoration: none; }
.articles-entry-link:hover { background: currentColor; color: var(--white, #fff); }
@media (max-width: 720px) { .articles-entry-inner { width: min(100% - 32px, 1180px); align-items: flex-start; flex-direction: column; } }