/* Contrast + visual hierarchy, load after all other styles (2026-10-26).
   All image previews are genuine site repository assets. */
.genius-section{
  position:relative;isolation:isolate;
  background:
    radial-gradient(ellipse 58% 59% at 82% 15%,rgba(25,193,165,.20),transparent 78%),
    repeating-linear-gradient(90deg,transparent 0 67px,rgba(103,217,195,.034) 68px),
    linear-gradient(131deg,#092631 0%,#113e4a 59%,#092731 100%)!important;
  border-block:1px solid #376c74;color:#e9fbf4!important
}
.genius-section .genius-copy h2,
.genius-section .genius-copy h2 span{
  color:#f4fff9!important;-webkit-text-fill-color:#f4fff9!important;
  background:none!important;text-shadow:0 5px 24px rgba(3,26,35,.3)
}
.genius-section .genius-copy h2 span{
  color:#78f1d2!important;-webkit-text-fill-color:#78f1d2!important
}
.genius-section .genius-copy .large-body{color:#e1eeed!important}
.genius-section .genius-topline .eyebrow,
.genius-section .genius-technology{color:#7eebcb!important}
.genius-section .genius-tagline{color:#ffc88d!important}
.genius-section .genius-figure figcaption,
.genius-section .genius-trust-note{color:#c1e1df!important}
.genius-section .genius-benefit-bar span{color:#e0f8ec!important}
.genius-section .genius-benefit-bar strong{color:#fac98b!important}
.genius-section .genius-image-button{
  border:1px solid #6bc5b87a;border-radius:13px;
  box-shadow:0 24px 56px #02171ec9;overflow:hidden
}
.genius-section .genius-preview-panel,.genius-section .genius-journey,
.genius-section .genius-journey-grid,.genius-section .genius-case-pickers,
.genius-section .genius-command-cases,.genius-section .genius-deep-dive{
  color:#173e4c
}
.genius-section .genius-journey h3,
.genius-section .genius-journey-heading p{color:#174350!important}
.genius-section .genius-journey .eyebrow{color:#207f81!important}
.genius-section .genius-journey-note{color:#c7e5e3!important}
.genius-section .genius-preview-heading{color:#e2fcf2!important}
.genius-section .genius-case-pickers button{color:#214b58!important}
.genius-section .genius-case-pickers button[aria-pressed="true"]{color:#eafff4!important}
.genius-section .genius-preview-footer{color:#ebfff5!important}
.genius-section .genius-deep-dive>summary{color:#eafaf4!important}
.genius-section .genius-deep-dive[open] .genius-extra-body{color:#183d4b}
.genius-section .genius-deep-dive[open] .genius-extra-body p{color:#3b6670}
.genius-section .genius-hero-layout{position:relative}
.genius-section .genius-hero-layout::before{
 content:"GENIUS / D2";position:absolute;right:2%;top:-15%;
 color:#6cecc40b;pointer-events:none;font-weight:950;
 font-size:clamp(80px,13vw,240px);letter-spacing:-.07em;white-space:nowrap
}
.genius-section .text-link{color:#114b64!important;background:#d9fff1!important;
  border:1px solid #60beaf!important;border-radius:7px!important}
.genius-section .text-link:hover{background:#aaf4d8!important}
.fem-lab-section{
  background:
   radial-gradient(circle at 87% 0,#1e8e8850,transparent 41%),
   linear-gradient(145deg,#0c2836,#124354 73%,#0e2c3c)!important;
  color:#e8f8f5!important
}
.fem-lab-section .fem-lab-heading h2{color:#f5fffa!important}
.fem-lab-section .fem-lab-heading h2 em{color:#86e8e3!important}
.fem-lab-section .fem-lab-heading>p{color:#d4e8e8!important}
.fem-lab-section .fem-lab-heading .eyebrow{color:#71e1ce!important}
.fem-lab-section .lab-scroll-hint{color:#bbdedd!important}
.fem-lab-section .lab-kicker{color:#82d9d5!important}
.fem-lab-section .lab-panel h3{color:#f3faf8!important}
.fem-lab-section .lab-panel-heading p{color:#d1e5e4!important}
.fem-lab-section .lab-scroll-link{
 background:#143e4d!important;border:1px solid #80c3bb55!important;
 color:#effaf5!important
}
.fem-lab-section .lab-scroll-link:hover{
 border-color:#73e3c5!important;background:#1d5560!important
}
.fem-lab-section .lab-scroll-link small{color:#bee1dc!important}
.fem-lab-section .lab-panel{border-color:#88b9b866!important}
.fem-lab-section .lab-controls,.fem-lab-section .lab-model-toolbar{
 color:#234e5b
}
.fem-lab-section .lab-tool,.fem-lab-section .lab-select{
 color:#15566a
}
.fem-lab-section .fem-aliasing-disclaimer{color:#cde9e6!important}
.fem-lab-section .fem-lab-source{color:#e4f7f0!important}
/* Featured editorial path: four intentional chapters, with Genius leading. */
.editorial-hub .engineering-track-item--genius{
 background:
 radial-gradient(circle at 90% 10%,#24d9aa38,transparent 53%),
 linear-gradient(130deg,#124c57,#136f6a)!important;
 border-color:#65e2b59a!important
}
.editorial-hub .engineering-track-item--genius .engineering-track-visual{
 display:grid;grid-template-columns:1.5fr 1fr;gap:8px
}
.editorial-hub .engineering-track-item--genius .engineering-track-visual img{
 width:100%;height:100%;object-fit:cover
}
.editorial-hub .engineering-track-item--genius strong{font-size:clamp(22px,2vw,33px)}
/* Authentic D2 drawings: dark exhibition walls, white printed sheets. */
.production-drawings{
 position:relative;background:
 radial-gradient(circle at 90% -8%,#2cb49a35,transparent 41%),
 repeating-linear-gradient(90deg,transparent 0 73px,#95cfbb10 74px),
 linear-gradient(140deg,#0c2835,#113c49 66%,#0c2b39)!important;
 color:#effaf6!important;padding:clamp(65px,7vw,120px) max(24px,calc((100vw - 1380px)/2));
 border-top:1px solid #5fcfb372;border-bottom:1px solid #5fcfb372
}
.production-drawings-inner{width:100%;margin-inline:auto;max-width:1380px}
.production-drawings-header{
 display:grid;grid-template-columns:1.45fr 1fr;gap:35px;align-items:end;margin:0 0 32px
}
.production-kicker{font:850 10px ui-monospace,SFMono-Regular,monospace;
 letter-spacing:.15em;color:#7eefd0}
.production-drawings-header h2{
 color:#f4fff8!important;font-size:clamp(35px,5vw,72px);
 line-height:1.02;letter-spacing:-.06em;margin:15px 0 0
}
.production-drawings-header h2 em{display:block;color:#8fe7cf;font-style:normal}
.production-drawings-header>p{color:#c8e6e2;font-size:14px;line-height:1.76;max-width:55ch}
.production-headline-stats{
 display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:25px
}
.production-headline-stats>span{
 display:flex;align-items:center;gap:14px;padding:15px 18px;border:1px solid #64abac76;
 background:#163f4ab5;border-radius:9px;color:#b9e2d9;
 font:750 10px ui-monospace,SFMono-Regular,monospace;letter-spacing:.045em
}
.production-headline-stats strong{font-size:27px;line-height:1;color:#88f1c8}
.production-editorial-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:stretch}
.production-discipline{
 border:1px solid #8cb9b479;background:#f7fbf8;min-width:0;border-radius:12px;
 padding:clamp(15px,2vw,26px);display:flex;flex-direction:column;color:#153a46
}
.production-rc{border-top:5px solid #36ba9b}
.production-steel{border-top:5px solid #dc945e}
.production-discipline-head{
 display:flex;gap:8px;align-items:center;justify-content:space-between;
 font:850 10px ui-monospace,SFMono-Regular,monospace;color:#187f78;
 letter-spacing:.07em
}
.production-steel .production-discipline-head{color:#ad6540}
.production-discipline-head>strong{background:#e4f1e9;border:1px solid #c8e3d5;
 border-radius:4px;padding:6px 8px;font-size:9px;white-space:nowrap}
.production-discipline h3{
 font-size:clamp(24px,2.5vw,39px);letter-spacing:-.045em;line-height:1.12;
 margin:15px 0 9px;color:#123846!important
}
.production-discipline>p{
 color:#536d73!important;font-size:12px;line-height:1.72;min-height:80px
}
.production-sheet-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:14px 0 12px}
.production-sheet-tabs button{
 cursor:pointer;min-width:65px;min-height:34px;padding:7px 11px;
 border-radius:6px;border:1px solid #a5cabe;background:#edf6ed;color:#1a606c;
 font:800 10px ui-monospace,SFMono-Regular,monospace
}
.production-sheet-tabs button[aria-pressed="true"]{background:#145d60;color:#fff;border-color:#145d60}
.production-sheet{
 display:block;position:relative;min-height:0;overflow:hidden;
 background:#fff;border:1px solid #a6c7c7;border-radius:8px;padding:7px;
 box-shadow:0 12px 28px #16384617;transition:transform .2s,box-shadow .2s
}
.production-sheet:hover{transform:translateY(-3px);box-shadow:0 18px 35px #16384624}
.production-sheet>img{
 width:100%;height:clamp(205px,24vw,345px);object-fit:contain;background:#fff
}
.production-sheet-action{
 position:absolute;bottom:10px;left:12px;right:12px;
 border-radius:5px;padding:9px 13px;background:#0c3442ed;color:#eafcf5;
 font:800 10px ui-monospace,SFMono-Regular,monospace;
 letter-spacing:.03em;box-shadow:0 3px 9px #02273555
}
.production-sheet--steel .production-sheet-action{background:#965a33ed}
.production-detail-mini{
 display:grid;grid-template-columns:150px 1fr;gap:13px;align-items:center;
 margin:14px 0 0;padding:10px;border:1px solid #cadece;
 background:#eff7f1;border-radius:7px;text-decoration:none!important
}
.production-detail-mini img{
 width:100%;height:92px;object-fit:contain;background:white;border:1px solid #d5e8de
}
.production-detail-mini>span{display:flex;flex-direction:column;gap:7px}
.production-detail-mini strong{font-size:11px;color:#144c5a;line-height:1.38}
.production-detail-mini small{font-size:10px;color:#497178;line-height:1.5}
.production-more{
 display:inline-flex;align-items:center;margin:15px 0 1px;font-size:11px;
 color:#116674!important;font-weight:850;min-height:33px
}
.production-trust{
 display:flex;align-items:center;justify-content:space-between;gap:25px;
 margin:21px 0 0;padding:19px 20px;border:1px solid #7da5a78a;
 background:#082a3b;border-radius:9px
}
.production-trust>span{flex:0 0 33%;font:800 10px ui-monospace,monospace;color:#82ebce;line-height:1.6}
.production-trust p{margin:0;color:#d5ebe8;font-size:11px;line-height:1.72}
/* All technical source captions retain high contrast and correct modelling scope. */
.production-drawings a:focus-visible,.production-sheet-tabs button:focus-visible,
.genius-section button:focus-visible,.genius-section a:focus-visible,
.fem-lab-section button:focus-visible,.fem-lab-section a:focus-visible{
 outline:3px solid #f0ae70!important;outline-offset:3px
}
@media(max-width:900px){
 .production-drawings{padding:66px 22px}
 .production-drawings-header{grid-template-columns:1fr;gap:12px}
 .production-discipline>p{min-height:110px}
}
@media(max-width:650px){
 .production-drawings{padding:52px 13px}
 .production-editorial-grid{grid-template-columns:1fr}
 .production-headline-stats{grid-template-columns:1fr;gap:6px}
 .production-headline-stats>span{padding:10px}
 .production-discipline>p{min-height:0}
 .production-trust{flex-direction:column;align-items:flex-start;gap:8px}
 .production-trust>span{flex:auto}
 .production-discipline{padding:14px}
 .production-sheet>img{height:260px}
 .production-detail-mini{grid-template-columns:108px 1fr}
 .production-detail-mini img{height:77px}
 .editorial-hub .engineering-track-item--genius .engineering-track-visual{grid-template-columns:1fr 1fr}
 .production-drawings-header h2{font-size:40px}
}
@media(prefers-reduced-motion:reduce){
 .production-sheet{transition:none}
 .production-sheet:hover{transform:none}
}