/* Homepage chapter after the approved hero. All selectors are local to these
   sections: shared navigation, type tokens and the hero remain untouched. */
/* Shared scroll padding already clears the sticky navigation; do not add a
   second offset when linking directly to one of these homepage chapters. */
.home-build, .home-release, .home-engineering { scroll-margin-top: 0; }
.home-chapter { display: flex; justify-content: space-between; gap: 24px; font-size: 10px; line-height: 1.5; font-weight: 500; letter-spacing: .09em; text-transform: uppercase; }
.home-chapter > span:last-child { color: var(--muted); }
.home-build { border-top: 1px solid var(--line); padding-block: 55px 80px; }
.home-build-intro { display: grid; grid-template-columns: 1.65fr 1fr; gap: 9%; align-items: end; margin-top: 42px; }
.home-build-intro h2 { font: 500 clamp(39px, 4.4vw, 62px)/1.08 var(--display); letter-spacing: -.05em; }
.home-build-intro h2 span { color: var(--accent); }
.home-build-intro > p { font-size: 16px; line-height: 1.75; color: var(--muted); max-width: 36ch; padding-bottom: 3px; }
.home-path-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; margin-top: 65px; }
.home-path-heading h3 { font-size: 24px; font-weight: 500; letter-spacing: -.035em; }
.home-path-heading p { font-size: 12px; color: var(--muted); }
.home-build-paths { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 27px; }
.home-build-path { display: flex; flex-direction: column; min-width: 0; padding-inline: 30px; border-left: 1px solid var(--line); }
.home-build-path:first-child { padding-left: 0; border-left: 0; }
.home-build-path:last-child { padding-right: 0; }
.home-path-number { display: flex; justify-content: space-between; align-items: baseline; border-top: 1px solid var(--ink); padding-top: 13px; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.home-path-number > span:first-child { color: var(--accent); font-size: 15px; letter-spacing: 0; }
.home-build-path h3 { font-size: clamp(27px, 2.6vw, 37px); line-height: 1.07; letter-spacing: -.045em; margin-top: 28px; }
.home-path-status { min-height: 20px; margin-top: 17px; font-size: 11px; color: var(--muted); line-height: 1.5; }
.home-path-status > span { white-space: nowrap; }
.home-path-status > span::before { content: '·'; margin: 0 5px; }
.home-path-copy { font-size: 15px; line-height: 1.75; margin-top: 16px; min-height: 10.5em; color: var(--muted); }
.home-path-link { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 46px; margin-top: 15px; font-size: 13px; font-weight: 500; }
.home-path-link > span { font-size: 20px; color: var(--accent); }
.home-path-link:hover { color: var(--accent); }
.home-build-footnote { max-width: none; text-align: center; font-size: 12px; color: var(--muted); margin-top: 39px; }

/* Three typographic diagrams show how each path begins. They deliberately
   avoid simulated product status, customer records or invented tool output. */
.home-path-visual { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 185px; flex-shrink: 0; margin-top: 26px; background: var(--neutral); overflow: hidden; }
.home-skill-source { padding: 8px 15px; border: 1px solid #b9b9b4; background: var(--paper); font-size: 12px; }
.home-skill-connection { position: relative; width: 1px; height: 30px; background: var(--accent); }
.home-skill-connection::after { content: ''; position: absolute; bottom: 0; left: -3px; width: 7px; height: 7px; border-right: 1px solid var(--accent); border-bottom: 1px solid var(--accent); transform: rotate(45deg); }
.home-skill-connection > span { position: absolute; left: 10px; top: 7px; font-size: 9px; letter-spacing: .08em; color: var(--accent); }
.home-skill-destination { text-align: center; margin-top: 8px; }
.home-skill-destination strong { display: block; font: 500 27px/1.1 var(--display); letter-spacing: -.035em; }
.home-skill-destination > span { display: block; font-size: 10px; color: var(--muted); margin-top: 3px; }
.home-own-ai-source { font-size: 12px; }
.home-own-ai-arrow { color: var(--accent); height: 32px; line-height: 32px; font-size: 22px; }
.home-build-sheet { position: relative; display: flex; flex-direction: column; justify-content: space-between; width: 170px; height: 83px; padding: 17px 19px 13px; background: var(--paper); border: 1px solid #b9b9b4; box-shadow: 5px 5px 0 #e1e1dd; }
.home-build-sheet strong { font-size: 12px; font-weight: 500; }
.home-sheet-lines { width: 53px; height: 11px; border-top: 2px solid var(--accent); border-bottom: 2px solid #dededb; }
.home-sheet-corner { position: absolute; right: -1px; top: -1px; width: 17px; height: 17px; border-left: 1px solid #b9b9b4; border-bottom: 1px solid #b9b9b4; background: var(--neutral); }
.home-codesign-partners { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; }
.home-codesign-partners > span:not(.home-codesign-arrow) { display: grid; place-content: center; width: 80px; height: 80px; border: 1px solid #b9b9b4; border-radius: 50%; text-align: center; font-size: 13px; line-height: 1.3; }
.home-codesign-partners > span:last-child { border-color: var(--accent); color: var(--accent); }
.home-codesign-arrow { color: var(--accent); font-size: 22px; }
.home-codesign-result { display: block; margin-top: 19px; color: var(--muted); font-size: 11px; }

/* The darker chapter gathers all three approaches into the same review path.
   The four steps are semantic HTML; connection lines are decorative only. */
.home-release { background: var(--ink); color: var(--paper); padding-block: 58px 52px; }
.home-release .home-chapter > span:last-child { color: #b9babe; }
.home-release-intro { display: grid; grid-template-columns: 1.65fr 1fr; gap: 9%; align-items: end; margin-top: 45px; }
.home-release-intro h2 { font: 500 clamp(37px, 4.4vw, 62px)/1.08 var(--display); letter-spacing: -.048em; }
.home-release-intro h2 > span { color: #f2917e; }
.home-release-intro p { font-size: 15px; line-height: 1.75; color: #c6c7ca; max-width: 35ch; }
.home-release-track { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 27px; list-style: none; margin: 57px 0 0; padding: 0; }
.home-release-track::before { content: ''; position: absolute; top: 13px; left: 13px; width: 75%; height: 1px; background: #626366; }
.home-release-track > li { position: relative; }
.home-release-marker { position: relative; z-index: 1; display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid #929396; border-radius: 50%; background: var(--ink); color: #e9e9e7; font-size: 9px; }
.home-release-track > li:nth-child(2) .home-release-marker { color: var(--ink); background: #f2917e; border-color: #f2917e; }
.home-release-track h3 { font-size: clamp(20px, 1.9vw, 27px); line-height: 1.17; letter-spacing: -.035em; margin-top: 25px; }
.home-release-track p { font-size: 14px; line-height: 1.7; color: #c6c7ca; margin-top: 15px; min-height: 7em; max-width: 29ch; }
.home-release-owner { display: block; font-size: 11px; color: #e3e3e3; margin-top: 16px; }
a.home-release-owner { color: #f2917e; }
a.home-release-owner:hover { text-decoration: underline; text-underline-offset: 4px; }
.home-release-principle { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-top: 43px; padding-top: 25px; border-top: 1px solid #55565a; }
.home-release-principle p { font-size: 13px; line-height: 1.7; color: #c6c7ca; }
.home-release-principle strong { color: var(--paper); font-size: 15px; font-weight: 500; }
.home-release-principle > a { display: inline-flex; align-items: center; gap: 27px; font-size: 12px; min-height: 44px; }
.home-release-principle > a > span { color: #f2917e; font-size: 20px; }
.home-release-principle > a:hover { color: #f2917e; }
.home-release-status { margin-top: 29px; font-size: 11px; line-height: 1.7; color: #b9babe; max-width: none; }
.home-release a:focus-visible { outline-color: #f2917e; }

/* The wider engineering relationship follows the builder's own entry points.
   Examples remain grounded in work, with no claimed client results or metrics. */
.home-engineering { padding-block: 67px 83px; }
.home-engineering-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 11%; margin-top: 52px; }
.home-engineering-intro h2 { font: 500 clamp(38px, 4.4vw, 60px)/1.07 var(--display); letter-spacing: -.045em; }
.home-engineering-intro h2 > span { color: var(--accent); }
.home-engineering-intro > p { max-width: 37ch; margin-top: 25px; color: var(--muted); font-size: 16px; line-height: 1.75; }
.home-engineering-intro > .home-engineering-accountability { color: var(--ink); font-size: 14px; line-height: 1.65; font-weight: 500; margin-top: 28px; }
.home-engineering-link { display: inline-flex; align-items: center; gap: 30px; font-size: 13px; font-weight: 500; min-height: 45px; border-bottom: 1px solid var(--ink); margin-top: 18px; }
.home-engineering-link:hover { color: var(--accent); border-color: var(--accent); }
.home-scope-label { font-size: 10px; color: var(--muted); letter-spacing: .07em; text-transform: uppercase; margin-bottom: 19px; }
.home-engineering-scopes article { display: grid; grid-template-columns: 25px 1fr; gap: 18px; padding: 25px 0; border-top: 1px solid var(--line); }
.home-scope-number { font-size: 11px; color: var(--accent); padding-top: 4px; }
.home-engineering-scopes h3 { font-size: clamp(22px, 2.1vw, 29px); line-height: 1.2; letter-spacing: -.035em; }
.home-engineering-scopes article p { font-size: 14px; line-height: 1.7; color: var(--muted); margin-top: 11px; max-width: 43ch; }
.home-systems-map { margin: 50px 0 0; padding: 27px 33px 30px; border: 1px solid var(--line); }
.home-systems-map figcaption { font-size: 11px; color: var(--muted); }
.home-systems-route { display: grid; grid-template-columns: 1fr 25px 1.35fr 25px 1.1fr; align-items: center; gap: 25px; margin-top: 27px; }
.home-systems-sources { display: flex; flex-direction: column; gap: 9px; }
.home-systems-sources > span { display: block; font-size: 13px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.home-systems-arrow { font-size: 23px; color: var(--accent); }
.home-systems-engineering { padding-block: 17px; border-block: 2px solid var(--accent); }
.home-systems-engineering > span, .home-systems-outcome > span { display: block; font-size: 10px; color: var(--muted); margin-bottom: 8px; }
.home-systems-engineering > strong { font: 500 clamp(18px, 1.9vw, 26px)/1.2 var(--display); letter-spacing: -.035em; }
.home-systems-outcome > strong { display: block; font: 500 clamp(20px, 2.1vw, 29px)/1.15 var(--display); letter-spacing: -.035em; }

@media (max-width: 1100px) {
  .home-build-path { padding-inline: 23px; }
  .home-path-copy { min-height: 12.25em; }
  .home-codesign-partners { gap: 7px; }
  .home-codesign-partners > span:not(.home-codesign-arrow) { width: 70px; height: 70px; font-size: 12px; }
  .home-release-track { gap: 21px; }
  .home-release-track p { min-height: 8em; }
  .home-systems-route { gap: 18px; }
}
@media (max-width: 900px) {
  .home-chapter { font-size: 9px; }
  .home-build-intro, .home-release-intro { grid-template-columns: 1fr; gap: 25px; }
  .home-build-intro > p, .home-release-intro > p { max-width: 54ch; }
  .home-path-heading { margin-top: 43px; }
  .home-build-paths { grid-template-columns: 1fr; }
  .home-build-path, .home-build-path:first-child, .home-build-path:last-child { display: grid; grid-template-columns: 1fr 1fr; column-gap: 36px; padding: 0 0 32px; margin-top: 32px; border-left: 0; }
  .home-build-path:first-child { margin-top: 0; }
  .home-path-number { grid-column: 1 / -1; }
  .home-build-path h3 { grid-column: 1; grid-row: 2; font-size: 34px; margin-top: 22px; }
  .home-path-status { grid-column: 1; grid-row: 3; margin-top: 14px; }
  .home-path-copy { grid-column: 1; grid-row: 4; font-size: 14px; min-height: 0; }
  .home-path-visual { grid-column: 2; grid-row: 2 / 6; align-self: center; height: 215px; margin-top: 22px; }
  .home-path-link { grid-column: 1; grid-row: 5; font-size: 12px; }
  .home-codesign-partners > span:not(.home-codesign-arrow) { width: 80px; height: 80px; font-size: 13px; }
  .home-build-footnote { margin-top: 8px; }
  .home-release-track { grid-template-columns: 1fr 1fr; gap: 36px 50px; margin-top: 38px; }
  .home-release-track::before { display: none; }
  .home-release-track h3 { font-size: 24px; margin-top: 17px; }
  .home-release-track p { min-height: 0; }
  .home-release-owner { margin-top: 15px; }
  .home-engineering-grid { grid-template-columns: 1fr; gap: 37px; margin-top: 40px; }
  .home-engineering-intro > p { max-width: 54ch; }
  .home-engineering-scopes article p { max-width: 60ch; }
  .home-systems-route { gap: 14px; }
  .home-systems-map { padding-inline: 25px; }
}
@media (max-width: 600px) {
  .home-build { padding-block: 35px 47px; }
  .home-chapter { flex-direction: column; gap: 6px; font-size: 9px; }
  .home-build-intro { margin-top: 28px; gap: 22px; }
  .home-build-intro h2 { font-size: clamp(32px, 8.7vw, 44px); line-height: 1.1; }
  .home-build-intro > p { font-size: 15px; }
  .home-path-heading { display: block; margin-top: 38px; }
  .home-path-heading h3 { font-size: 25px; }
  .home-path-heading p { margin-top: 9px; font-size: 12px; }
  .home-build-paths { margin-top: 27px; }
  .home-build-path, .home-build-path:first-child, .home-build-path:last-child { display: block; padding-bottom: 0; margin-top: 42px; }
  .home-build-path:first-child { margin-top: 0; }
  .home-build-path h3 { font-size: 35px; margin-top: 23px; }
  .home-path-status { font-size: 11px; margin-top: 15px; }
  .home-path-copy { margin-top: 13px; font-size: 15px; line-height: 1.75; max-width: 40ch; }
  .home-path-visual { height: 178px; margin-top: 25px; }
  .home-path-link { min-height: 48px; font-size: 13px; }
  .home-build-footnote { text-align: left; border-top: 1px solid var(--line); padding-top: 25px; margin-top: 27px; max-width: 33ch; line-height: 1.7; }
  .home-release { padding-block: 38px 35px; }
  .home-release-intro { margin-top: 30px; gap: 22px; }
  .home-release-intro h2 { font-size: clamp(31px, 8.5vw, 43px); }
  .home-release-intro p { font-size: 15px; }
  .home-release-track { grid-template-columns: 1fr; gap: 29px; margin-top: 34px; }
  .home-release-track > li { display: grid; grid-template-columns: 28px 1fr; column-gap: 18px; }
  .home-release-track > li:not(:last-child)::after { content: ''; position: absolute; width: 1px; background: #626366; top: 28px; bottom: -29px; left: 13px; }
  .home-release-marker { grid-column: 1; grid-row: 1 / 4; }
  .home-release-track h3 { grid-column: 2; grid-row: 1; font-size: 23px; margin-top: 0; padding-top: 1px; }
  .home-release-track p { grid-column: 2; grid-row: 2; margin-top: 11px; font-size: 13px; max-width: none; }
  .home-release-owner { grid-column: 2; grid-row: 3; margin-top: 13px; font-size: 10px; }
  .home-release-principle { align-items: flex-start; flex-direction: column; gap: 14px; margin-top: 30px; padding-top: 23px; }
  .home-release-principle strong { font-size: 14px; }
  .home-release-status { font-size: 10px; margin-top: 21px; }
  .home-engineering { padding-block: 39px 54px; }
  .home-engineering-grid { margin-top: 31px; }
  .home-engineering-intro h2 { font-size: clamp(35px, 9.4vw, 46px); }
  .home-engineering-intro > p { font-size: 15px; margin-top: 22px; }
  .home-engineering-intro > .home-engineering-accountability { margin-top: 24px; }
  .home-engineering-scopes h3 { font-size: 24px; }
  .home-engineering-scopes article { gap: 10px; padding-block: 23px; }
  .home-engineering-scopes article p { font-size: 14px; }
  .home-systems-map { margin-top: 27px; padding: 21px 23px 26px; }
  .home-systems-map figcaption { font-size: 11px; max-width: 27ch; }
  .home-systems-route { grid-template-columns: 1fr; gap: 13px; margin-top: 22px; text-align: center; }
  .home-systems-sources { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
  .home-systems-sources > span { font-size: 11px; }
  .home-systems-arrow { transform: rotate(90deg); justify-self: center; }
  .home-systems-engineering { padding-block: 16px; }
  .home-systems-engineering > strong { font-size: 24px; }
  .home-systems-outcome > strong { font-size: 26px; }
}