.engineering-body { background: #171717; color: #f1eee8; }
.engineering-body nav:where(:not(#site-nav)) { display: flex; position: static; inset: auto; padding: 0; flex-direction: row; align-items: center; background: transparent; border: 0; }
.engineering-body a:focus-visible, .engineering-body button:focus-visible, .engineering-body [tabindex]:focus-visible { outline: 2px solid #e09699; outline-offset: 4px; }
.eng-container { width: min(100%, 1200px); margin-inline: auto; padding-inline: 24px; }
.eng-skip { position: fixed; top: -80px; left: 20px; z-index: 100; padding: 16px; background: #f1eee8; color: #171717; }
.eng-skip:focus { top: 12px; }
.eng-kicker { margin: 0 0 20px; color: #dc999c; font: 500 10px/1.5 var(--mono); letter-spacing: .12em; }
.eng-workspace { background: #f1eee8; color: #171717; padding-block: 30px 0; }
.eng-breadcrumb { display: flex; align-items: center; gap: 12px; margin-bottom: 38px; font: 400 9px/1.6 var(--mono); color: #78726a; }
.eng-breadcrumb a { min-height: 32px; display: inline-flex; align-items: center; }
.eng-breadcrumb a:hover { color: #8e1118; }
.eng-workspace-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.35fr); align-items: center; gap: 66px; padding-bottom: 44px; }
.eng-workspace .eng-kicker { color: #8e1118; margin-bottom: 22px; }
.eng-workspace h1 { font-size: clamp(48px, 5.2vw, 68px); line-height: 1.02; letter-spacing: -.055em; font-weight: 400; margin-bottom: 24px; }
.eng-workspace-intro { max-width: 37ch; color: #68615a; font-size: 15px; line-height: 1.8; margin-bottom: 26px; }
.eng-workspace-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 22px; }
.eng-workspace-button { min-height: 48px; display: inline-flex; align-items: center; justify-content: space-between; gap: 36px; padding: 12px 16px; background: #171717; color: #f1eee8; font-size: 11px; }
.eng-workspace-button:hover { background: #8e1118; }
.eng-workspace-film-link { min-height: 44px; display: inline-flex; align-items: center; gap: 18px; color: #8e1118; font-size: 11px; }
.eng-workspace-note { border-top: 1px solid #cfc9c1; padding-top: 19px; margin-top: 36px; max-width: 340px; }
.eng-workspace-note > span { color: #8e1118; font: 500 8px/1.6 var(--mono); letter-spacing: .09em; }
.eng-workspace-note p { font-size: 12px; color: #68615a; margin: 8px 0 0; }
.eng-desk { min-width: 0; border: 1px solid #cec8bf; background: #fff; }
.eng-desk-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 17px 20px; color: #68615a; font: 400 9px/1.5 var(--mono); letter-spacing: .04em; }
.eng-desk-heading > span:last-child { color: #8e1118; }
.eng-view-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-block: 1px solid #ddd7cf; background: #f8f6f2; }
.eng-view-tabs button { min-height: 45px; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 20px; border: 0; border-right: 1px solid #ddd7cf; box-shadow: inset 0 -2px transparent; font-size: 11px; background: transparent; color: #68615a; text-align: left; cursor: pointer; }
.eng-view-tabs button:last-child { border-right: 0; }
.eng-view-tabs button span { font: 400 8px var(--mono); color: #918a82; }
.eng-view-tabs button[aria-selected="true"] { color: #8e1118; background: #fff; box-shadow: inset 0 -2px #8e1118; }
.eng-view-tabs button:hover { background: #fff; }
.eng-desk-figure { margin: 0; }
.eng-desk-figure > a { display: grid; place-items: center; aspect-ratio: 16 / 11; padding: 25px; overflow: hidden; background: #fff; }
.eng-desk-figure img { width: 100%; height: 100%; min-height: 0; object-fit: contain; }
.eng-desk-figure[data-view="analysis"] > a { background: #292929; padding: 0; }
.eng-desk-figure[data-view="analysis"] img { height: auto; }
.eng-desk-figure figcaption { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 20px; min-height: 57px; border-top: 1px solid #ddd7cf; color: #78726a; font: 400 9px/1.7 var(--mono); }
.eng-desk-figure figcaption a { color: #8e1118; min-height: 24px; display: inline-flex; align-items: center; gap: 12px; white-space: nowrap; }
.eng-workspace-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid #cfc9c1; min-height: 65px; padding-block: 14px; font: 400 8px/1.8 var(--mono); color: #78726a; }
.eng-workspace-footer a { display: inline-flex; align-items: center; gap: 22px; min-height: 32px; color: #8e1118; white-space: nowrap; font-size: 10px; }
.eng-section-nav { position: sticky; top: 82px; z-index: 10; background: #20201f; border-bottom: 1px solid #383735; }
.eng-section-nav nav { display: flex; justify-content: flex-start; flex-wrap: wrap; gap: 44px; min-height: 72px; padding-block: 14px; }
.eng-section-nav a { display: flex; align-items: center; min-height: 44px; color: #bdb8b1; font: 500 10px/1.5 var(--mono); letter-spacing: .02em; text-transform: none; }
.eng-section-nav a:hover, .eng-section-nav a[aria-current="location"] { color: #f1eee8; }
.eng-section-nav a[aria-current="location"] { box-shadow: inset 0 -1px #dc999c; }
.eng-flow, .eng-films { padding-block: 92px; scroll-margin-top: 84px; }
.eng-section-heading { display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px; align-items: end; margin-bottom: 44px; }
.engineering-body h2 { margin: 0; font-size: clamp(34px, 4.2vw, 56px); font-weight: 400; letter-spacing: -.045em; line-height: 1.06; }
.eng-section-heading > p { margin: 0; max-width: 46ch; font-size: 15px; line-height: 1.85; color: #bdb8b1; }
.eng-process { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.5fr); gap: 44px; align-items: start; }
.eng-stage-list { display: grid; border-top: 1px solid #41403d; }
.eng-stage { display: grid; grid-template-columns: 24px minmax(0, 1fr) 20px; gap: 18px; align-items: center; text-align: left; min-height: 92px; border: 0; border-bottom: 1px solid #41403d; background: transparent; padding: 18px 12px; cursor: pointer; }
.eng-stage > span:first-child { color: #99938b; font: 500 10px var(--mono); align-self: start; padding-top: 3px; }
.eng-stage strong { display: block; font-size: 15px; line-height: 1.4; font-weight: 500; }
.eng-stage small { display: block; color: #99938b; font-size: 11px; line-height: 1.5; margin-top: 5px; }
.eng-stage > span:last-child { color: #99938b; }
.eng-stage[aria-selected="true"] { background: #2b2424; box-shadow: inset 3px 0 #c16268; }
.eng-stage[aria-selected="true"] > span:first-child, .eng-stage[aria-selected="true"] > span:last-child { color: #e3a0a3; }
.eng-stage:hover { background: #252423; }
.eng-stage-panel { min-width: 0; }
.eng-process-figure { margin: 0; background: #222; border: 1px solid #41403d; }
.eng-process-media > a { display: grid; place-items: center; aspect-ratio: 16 / 9; overflow: hidden; background: #f6f5f2; }
.eng-process-image-frame { display: block; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; }
.eng-process-figure img { width: 100%; height: 100%; object-fit: contain; }
.eng-process-figure[data-view="scene"] img { object-fit: cover; }
.eng-process-figure[data-view="airflow"] .eng-process-media > a { background: #292929; }
.eng-process-figure[data-view="airflow"] .eng-process-image-frame { position: relative; aspect-ratio: 1920 / 422; }
.eng-process-figure[data-view="airflow"] img { position: absolute; top: 0; height: auto; transform: translateY(-47.381546%); }

.eng-process-media { position: relative; aspect-ratio: 12 / 5; overflow: hidden; background: #27333e; }
.eng-process-media > a { width: 100%; height: 100%; aspect-ratio: auto; }
.eng-process-image-frame { aspect-ratio: auto; height: 100%; }
.eng-process-media video { display: block; width: 100%; height: 100%; object-fit: contain; object-position: 50% 50%; background: #27333e; }
.eng-process-figure[data-view="airflow"] .eng-process-media, .eng-process-figure[data-view="airflow"] video { background: #292929; }
.eng-process-media [hidden] { display: none !important; }
.eng-loop-badge { position: absolute; left: 14px; top: 14px; padding: 7px 9px; background: rgba(13, 17, 21, .8); color: #e0ddd7; font: 400 8px/1.5 var(--mono); letter-spacing: .08em; pointer-events: none; }
.eng-loop-control { position: absolute; right: 12px; bottom: 12px; min-height: 44px; padding: 10px 13px; border: 1px solid rgba(241, 238, 232, .35); background: rgba(13, 17, 21, .8); color: #f1eee8; font-size: 10px; cursor: pointer; }
.eng-loop-control:hover { background: #171717; border-color: #f1eee8; }
.eng-process-figure figcaption a { display: inline-flex; align-items: center; gap: 12px; min-height: 30px; white-space: nowrap; color: #e3a0a3; }
.eng-process-figure[data-motion="true"][data-view="airflow"] .eng-process-image-frame { aspect-ratio: auto; }
.eng-process-figure[data-motion="true"][data-view="airflow"] img { position: static; height: 100%; transform: none; }
.eng-process-figure figcaption { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; min-height: 45px; padding: 14px 18px; color: #bab5ae; font: 400 9px/1.5 var(--mono); }
.eng-stage-copy { padding-top: 28px; }
.eng-stage-copy .eng-kicker { margin-bottom: 12px; font-size: 9px; }
.eng-stage-copy h3 { font-size: 27px; line-height: 1.2; font-weight: 400; letter-spacing: -.035em; margin-bottom: 14px; }
.eng-stage-copy > p:not(.eng-kicker):not(.eng-deliverable) { color: #bdb8b1; font-size: 14px; line-height: 1.8; max-width: 68ch; }
.eng-review-points { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; list-style: none; margin: 24px 0; padding: 0; }
.eng-review-points li { padding-top: 12px; border-top: 1px solid #41403d; color: #ddd8d0; font-size: 11px; line-height: 1.6; }
.eng-deliverable { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 24px; margin-bottom: 0; padding-top: 18px; border-top: 1px solid #41403d; }
.eng-deliverable span { font: 500 9px var(--mono); color: #dc999c; }
.eng-deliverable strong { font-size: 12px; font-weight: 400; line-height: 1.6; }
.eng-process-note { border-top: 1px solid #383735; color: #99938b; font-size: 12px; line-height: 1.7; margin: 44px 0 0; padding-top: 20px; }
.eng-precision { padding-block: 92px; background: #f1eee8; color: #171717; scroll-margin-top: 84px; }
.eng-precision .eng-kicker { color: #8e1118; }
.eng-precision .eng-section-heading > p { color: #686560; }
.eng-precision-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 44px; align-items: start; }
.eng-blueprint { margin: 0; background: #fff; border: 1px solid #d6d1ca; }
.eng-blueprint > a { display: block; padding: 20px; }
.eng-blueprint img { width: 100%; height: auto; }
.eng-blueprint figcaption { border-top: 1px solid #d6d1ca; padding: 16px 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font: 500 9px/1.6 var(--mono); color: #686560; }
.eng-blueprint figcaption a { color: #8e1118; }
.eng-precision-points article { border-top: 1px solid #ccc6bd; padding-block: 22px; }
.eng-precision-points article > span { font: 500 9px var(--mono); color: #8e1118; letter-spacing: .08em; }
.eng-precision-points h3 { font-size: 23px; font-weight: 400; letter-spacing: -.03em; margin: 14px 0 12px; }
.eng-precision-points p { color: #686560; font-size: 13px; line-height: 1.8; margin-bottom: 0; }
.eng-evidence-strip { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 26px; border-top: 1px solid #ccc6bd; padding-top: 26px; margin-top: 44px; align-items: center; }
.eng-evidence-strip p { margin: 0; font-size: 14px; line-height: 1.6; }
.eng-evidence-strip p span { display: block; font: 500 9px var(--mono); color: #8e1118; margin-bottom: 8px; }
.eng-evidence-strip > span { color: #8e1118; }
.eng-film-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
.eng-film { min-width: 0; scroll-margin-top: 84px; }
.eng-film-wide { grid-column: 1 / -1; }
.eng-film-wide .eng-film-caption { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.eng-stage-film-link { display: inline-flex; align-items: center; gap: 20px; min-height: 44px; font-size: 12px; color: #e3a0a3; }
.eng-stage-film-link[hidden] { display: none; }
.eng-film video { display: block; width: 100%; height: auto; background: #090909; border: 1px solid #41403d; }
.eng-film-caption { padding-top: 24px; }
.eng-film-caption .eng-kicker { font-size: 9px; margin-bottom: 12px; }
.eng-film-caption h3 { font-size: 26px; line-height: 1.25; font-weight: 400; letter-spacing: -.035em; margin-bottom: 12px; }
.eng-film-caption p { font-size: 13px; line-height: 1.8; color: #bdb8b1; max-width: 48ch; }
.eng-film-caption a { min-height: 44px; display: inline-flex; align-items: center; gap: 26px; color: #dedad3; font-size: 11px; }
.eng-media-note { margin: 36px 0 12px; border-top: 1px solid #41403d; padding-top: 22px; color: #99938b; font-size: 12px; line-height: 1.8; max-width: 82ch; }
.eng-text-link { display: inline-flex; align-items: center; gap: 28px; min-height: 44px; color: #e3a0a3; font-size: 12px; }
.eng-closing { padding-block: 64px; background: #272221; border-block: 1px solid #41403d; }
.eng-closing-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px; margin-top: 36px; }
.eng-closing-links a { display: flex; justify-content: space-between; gap: 20px; min-height: 60px; align-items: center; border-top: 1px solid #65544f; font-size: 18px; }
.eng-closing-links a:hover { color: #e3a0a3; }
.eng-footer { padding-block: 30px; display: flex; align-items: baseline; justify-content: space-between; gap: 24px; }
.eng-footer p { font-size: 10px; color: #99938b; margin: 0; }
.eng-footer nav { flex-wrap: wrap; gap: 12px 24px; }
.eng-footer nav a { min-height: 44px; display: inline-flex; align-items: center; font-size: 10px; letter-spacing: 0; font-weight: 400; color: #bdb8b1; text-transform: none; }
@media (max-width: 950px) {
  .eng-workspace-layout { gap: 36px; }
  .eng-process { grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 28px; }
  .eng-stage { gap: 12px; }
  .eng-review-points { grid-template-columns: 1fr; gap: 10px; }
  .eng-precision-grid { grid-template-columns: 1.2fr 1fr; gap: 28px; }
}
@media (max-width: 700px) {
  .eng-workspace { padding-top: 18px; }
  .eng-breadcrumb { margin-bottom: 24px; }
  .eng-workspace-layout { grid-template-columns: minmax(0, 1fr); gap: 30px; padding-bottom: 28px; }
  .eng-workspace h1 { font-size: clamp(48px, 11vw, 66px); }
  .eng-workspace-intro { max-width: 44ch; font-size: 14px; }
  .eng-workspace-note { display: none; }
  .eng-desk-heading { padding: 14px; font-size: 8px; }
  .eng-view-tabs button { padding: 12px 14px; font-size: 10px; }
  .eng-desk-figure > a { padding: 12px; }
  .eng-desk-figure figcaption { padding: 12px 14px; font-size: 8px; gap: 10px; }
  .eng-workspace-footer { align-items: flex-start; font-size: 7px; }
  .eng-workspace-footer > span { max-width: 24ch; }
  .eng-workspace-footer a { gap: 10px; font-size: 9px; }
  .eng-section-nav nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; padding-block: 12px; }
  .eng-section-nav a { font-size: 9px; }
  .eng-flow, .eng-films, .eng-precision { padding-block: 54px; }
  .eng-section-heading { grid-template-columns: 1fr; gap: 24px; margin-bottom: 30px; }
  .eng-section-heading > p { font-size: 14px; }
  .eng-process, .eng-precision-grid, .eng-film-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .eng-stage-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .eng-stage { min-height: 100px; grid-template-columns: 20px minmax(0, 1fr); gap: 10px; padding: 14px 10px; }
  .eng-stage strong { font-size: 12px; }
  .eng-stage small { font-size: 10px; }
  .eng-stage > span:last-child { display: none; }
  .eng-review-points { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
  .eng-stage-copy h3 { font-size: 25px; }
  .eng-evidence-strip { gap: 12px; }
  .eng-evidence-strip p { font-size: 11px; }
  .eng-evidence-strip p span { font-size: 8px; }
  .eng-film-grid { gap: 40px; }
  .eng-film-wide .eng-film-caption { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .eng-closing { padding-block: 46px; }
  .eng-closing-links { grid-template-columns: 1fr; gap: 12px; }
  .eng-footer { flex-direction: column; gap: 12px; }
  .eng-footer nav { margin: 0; gap: 8px 20px; }
}
@media (max-width: 380px) { .eng-container { padding-inline: 18px; } .eng-header { padding-inline: 18px; } .eng-review-points { grid-template-columns: 1fr; } .eng-stage { min-height: 110px; } }
@media (prefers-reduced-motion: reduce) { .engineering-body { scroll-behavior: auto; } html:has(.engineering-body) { scroll-behavior: auto; } }


@media (max-width: 600px) {
  .eng-section-nav { top: 70px; }
}
@media (max-width: 430px) { .eng-view-tabs button span { display: none; } .eng-desk-figure figcaption { flex-wrap: wrap; gap: 4px 12px; } }

@media (max-width: 700px) { .eng-process-figure figcaption { flex-wrap: wrap; gap: 4px 16px; } .eng-loop-badge { left: 10px; top: 10px; font-size: 7px; } .eng-loop-control { right: 8px; bottom: 8px; } }