/* DeepMatrix — product and technology folio. */
:root{
  /* Primitives */
  --paper-100:#f5f7fb;--paper-200:#e9eff7;--white:#ffffff;
  --ink-900:#14243a;--ink-700:#57677c;--ink-500:#617088;
  --blue-600:#3370ff;--blue-700:#2458df;--clay-500:#bd6048;--rule-300:#d4dfea;
  --space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--space-8:32px;
  /* Product accents and shared illustration palette */
  --tone-soft:#e5edf8;--tone-paper:#f8fbff;--tone-line:#afc0d6;
  --tone-ink:#365474;--tone-muted:#526b89;--tone-mid:#8da3be;
  --dark-raised:#1d304b;--dark-line:#3b5373;--dark-text:#d7e4f5;--dark-muted:#9eb3d0;--signal:#6cc9df;
  --knowledge-soft:#e1eff3;--knowledge-paper:#f6fcfd;--knowledge-line:#a9c8d2;--knowledge-ink:#336574;--knowledge-muted:#466b78;--knowledge-accent:#14768b;
  --video-paper:#f9e7db;--video-surface:#f2ddd0;--video-line:#d8b4a1;--video-ink:#744c3c;--video-muted:#875b48;
  /* Typography roles stay readable across breakpoints. */
  --text-xs:12px;--text-sm:14px;--text-base:16px;--text-md:18px;--leading-copy:1.9;
  /* Semantic */
  --paper:var(--paper-100);--surface:var(--white);--ink:var(--ink-900);--muted:var(--ink-700);--blue:var(--blue-600);--line:var(--rule-300);
  --gutter:clamp(28px,6vw,104px);--ease:cubic-bezier(.22,1,.36,1);--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  /* Components */
  --button-bg:var(--ink);--button-fg:var(--white);--folio-accent:var(--blue);--section-space:96px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;-webkit-font-smoothing:antialiased;font-size:var(--text-base)}h1,h2,h3,h4,p,figure{margin:0}h1,h2,h3,h4{font-weight:500}h1,h2,h3{letter-spacing:.01em}p{line-height:1.95}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{border:0;background:none;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}img{display:block;max-width:100%}button:disabled{cursor:default}[hidden]{display:none!important}a,button,input,select,textarea{outline-offset:5px}:focus-visible{outline:2px solid var(--blue)}::selection{background:var(--blue);color:white}.wrap{width:calc(100% - var(--gutter)*2);max-width:1296px;margin-inline:auto}section[id],article[id]{scroll-margin-top:100px}.skip-link{position:fixed;top:-80px;left:20px;padding:14px 20px;background:var(--ink);color:white;z-index:100}.skip-link:focus{top:10px}
.header{height:88px;padding:0 var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:25px;border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:30;transition:height .3s}.header.scrolled{height:72px}.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}.brand>span{font-size:19px;letter-spacing:2px;font-weight:600;line-height:1.35}.brand small{display:block;font:var(--text-xs)/1.5 var(--mono);letter-spacing:2.2px;margin-top:3px}.nav{display:flex;gap:30px;align-items:center}.nav a{font-size:var(--text-sm);position:relative;padding:12px 0}.nav a:after{content:"";height:1px;width:100%;background:var(--ink);position:absolute;bottom:4px;left:0;transform:scaleX(0);transform-origin:left;transition:transform .25s}.nav a:hover:after,.nav a.active:after{transform:scaleX(1)}.header-contact{font-size:var(--text-sm);display:flex;gap:23px;align-items:center;padding:12px 0;border-bottom:1px solid var(--ink)}.header-contact span{font-size:20px;color:var(--blue)}.menu-button{display:none}.edge-index{position:fixed;left:22px;top:36%;z-index:15;display:flex;flex-direction:column;gap:20px;font:var(--text-xs) var(--mono);color:var(--ink-500)}.edge-index a{position:relative}.edge-index a.active{color:var(--blue)}.edge-index a.active:before{content:"";position:absolute;left:-9px;top:3px;width:3px;height:3px;background:currentColor}.edge-index>span{writing-mode:vertical-rl;font-size:var(--text-xs);letter-spacing:1.4px;margin-top:15px}.eyebrow{font-size:var(--text-sm);line-height:1.7;letter-spacing:.8px;color:var(--muted);display:flex;gap:10px;align-items:center}.small-cross{font-size:22px;font-weight:300;color:var(--blue)}.inline-link{font-size:var(--text-sm);display:inline-flex;align-items:center;gap:30px;padding:11px 0;border-bottom:1px solid currentColor;transition:color .2s}.inline-link span{font-size:22px;transition:transform .3s var(--ease)}.inline-link:hover{color:var(--blue)}.inline-link:hover span{transform:translate(3px,-3px)}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:32px;background:var(--button-bg);color:var(--button-fg);font-size:var(--text-sm);padding:15px 20px;transition:background .25s}.button:hover{background:var(--blue)}.button>span{font-size:20px}.text-button{display:inline-flex;align-items:center;gap:18px;font-size:var(--text-sm);padding:12px 0}.text-button span{font-size:20px}
.opening{padding-top:22px}.opening-note{display:flex;justify-content:space-between;font-size:var(--text-xs);color:var(--muted);letter-spacing:.5px}.opening-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:7%;align-items:center;margin-top:35px}.opening-copy{padding:16px 0 5px}.opening-copy h1{font-size:clamp(30px,2.7vw,40px);line-height:1.7;font-weight:450;margin-top:21px}.opening-copy>p{max-width:365px;font-size:var(--text-base);color:var(--muted);margin-top:22px;line-height:2.05}.opening-copy>.inline-link{margin-top:28px}.opening-footnote{display:flex;gap:18px;align-items:flex-start;margin-top:42px}.opening-footnote p{font-size:var(--text-sm);color:var(--muted);line-height:1.9}.brand-instrument{position:relative;height:460px;background:transparent;color:var(--ink);overflow:hidden}.instrument-top{position:absolute;left:25px;right:25px;top:22px;display:flex;justify-content:space-between;align-items:center;font:var(--text-xs) var(--mono);color:var(--muted);z-index:1}.instrument-top>span:first-child{display:flex;align-items:center;gap:9px;font-family:inherit}.instrument-top i{width:4px;height:4px;background:var(--blue);border-radius:50%;animation:signal 3s infinite}.brand-instrument canvas{position:absolute;top:52px;bottom:105px;left:0;right:0;width:100%;height:calc(100% - 157px)}.instrument-caption{position:absolute;bottom:67px;left:25px;right:25px;display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:var(--text-sm);color:var(--ink)}.instrument-caption small{font-size:var(--text-xs);color:var(--muted);white-space:nowrap}.scene-controls{position:absolute;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}.scene-controls button{color:var(--muted);font-size:var(--text-sm);text-align:left;padding:19px 0 18px 20px;border-left:1px solid var(--line);transition:background .3s,color .3s}.scene-controls button:first-child{border:0}.scene-controls small{font:var(--text-xs) var(--mono);margin-right:9px;opacity:.6}.scene-controls button[aria-pressed=true]{background:transparent;color:var(--blue);box-shadow:inset 0 -2px var(--blue)}.scene-controls button:hover{color:var(--blue);background:var(--paper-200)}.scene-controls button[aria-pressed=true]:hover{color:var(--blue);background:var(--paper-200)}.opening-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:34px;border-bottom:1px solid var(--line);padding-bottom:20px;color:var(--muted);font:var(--text-xs) var(--mono);letter-spacing:1px}.opening-bottom>a{font-family:inherit;font-size:var(--text-sm);letter-spacing:0;display:flex;gap:25px;align-items:center}.opening-bottom>a span{font-size:18px}
.portfolio{padding-top:var(--section-space);padding-bottom:95px}.section-intro{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:36px}.section-intro h2{font-size:27px;line-height:1.7;margin-top:15px}.section-intro>p{font-size:var(--text-sm);color:var(--muted);line-height:2;max-width:440px}.product-directory{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.product-directory a{padding:24px 20px 24px 0;display:flex;gap:12px;font-size:var(--text-sm);align-items:center}.product-directory a+a{padding-left:20px;border-left:1px solid var(--line)}.product-directory span{font:var(--text-xs) var(--mono);color:var(--muted)}.product-directory i{font-style:normal;margin-left:auto;color:var(--blue)}.product-directory a:hover{color:var(--blue)}.product-story{display:grid;grid-template-columns:38% 1fr;gap:8%;align-items:center;margin-top:80px}.folio{display:flex;align-items:center;gap:18px;margin-bottom:22px}.folio>span{font:italic 28px/1 Georgia,serif;color:var(--folio-accent)}.folio small{font-size:var(--text-xs);letter-spacing:.6px;color:var(--muted)}.story-copy h3,.courseware-title h3,.story-copy h2{font-size:25px;line-height:1.6}.story-lead{font-size:17px;line-height:1.85;margin-top:16px}.story-copy>p:not(.story-lead){font-size:var(--text-base);color:var(--muted);line-height:2.1;margin-top:15px;max-width:430px}.story-facts{list-style:none;margin:25px 0;padding:0;font-size:var(--text-sm)}.story-facts li{padding:9px 0;border-top:1px solid var(--line)}.story-facts li:last-child{border-bottom:1px solid var(--line)}.story-copy>.inline-link{margin-top:5px}.process-sheet{background:var(--paper-200);padding:26px;min-height:470px;position:relative;border:1px solid var(--line)}.sheet-heading,.drawing-head{display:flex;justify-content:space-between;gap:15px;font-size:var(--text-sm);color:var(--muted)}.sheet-heading small,.drawing-head small{font-size:var(--text-xs)}.paper-form{background:var(--surface);width:78%;margin:27px 3% 0 auto;padding:20px 23px;transform:none;box-shadow:4px 9px 0 #c4d0e477;position:relative}.paper-tab{display:block;font-size:var(--text-sm);margin-bottom:17px;color:var(--blue)}.form-line{display:flex;justify-content:space-between;align-items:center;gap:16px;border-top:1px solid var(--line);padding:12px 0;font-size:var(--text-sm)}.form-line small{color:var(--muted);font-size:var(--text-xs)}.form-line b{font-weight:400}.form-line b span{color:var(--blue);padding-left:8px}.process-connector{height:36px;width:1px;background:var(--tone-line);margin-left:62%;position:relative}.process-connector span{position:absolute;left:13px;top:12px;white-space:nowrap;font-size:var(--text-xs);color:var(--muted)}.process-connector i{width:4px;height:4px;background:var(--blue);position:absolute;left:-1.5px;animation:downstream 3s infinite}.approval-path{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--tone-line);border-bottom:1px solid var(--tone-line)}.approval-path>div{position:relative;padding:20px 10px 16px}.approval-path>div+div{border-left:1px solid var(--tone-line)}.approval-path span{font:var(--text-xs) var(--mono);color:var(--blue);display:block}.approval-path b{font-weight:500;font-size:var(--text-sm);display:block;margin-top:10px}.approval-path small{font-size:var(--text-xs);color:var(--muted);display:block;margin-top:6px}.approval-path i{position:absolute;right:12px;top:18px;font-size:var(--text-base);color:var(--blue);font-style:normal}.sheet-footer{display:flex;gap:15px;align-items:center;margin-top:24px;color:var(--muted);font:var(--text-xs) var(--mono);letter-spacing:1px}.sheet-footer i{font-style:normal;color:var(--tone-line)}.knowledge-story{grid-template-columns:1fr 38%;gap:8%;margin-top:95px}.knowledge-drawing{background:var(--tone-soft);min-height:430px;padding:25px;border:1px solid var(--tone-line)}.knowledge-atlas{margin:12px -16px 0;color:var(--tone-muted)}.knowledge-atlas svg{width:100%;display:block;height:310px;overflow:visible}.atlas-node rect{fill:var(--tone-paper);stroke:var(--tone-line);stroke-width:1}.atlas-node text,.atlas-core text{font-size:var(--text-sm);text-anchor:middle;fill:var(--tone-ink);font-family:inherit}.atlas-node .atlas-small,.atlas-core .atlas-small{font-size:var(--text-xs);fill:var(--tone-muted)}.atlas-core rect{fill:var(--blue);stroke:var(--blue)}.atlas-core text,.atlas-core .atlas-small{fill:white}.atlas-flow{stroke:var(--blue);stroke-width:2;stroke-dasharray:3 18;animation:atlasflow 4s linear infinite}.atlas-orbit{opacity:.45;transform-origin:300px 175px;animation:orbit 80s linear infinite}.atlas-foot{display:flex;justify-content:space-between;border-top:1px solid var(--tone-line);padding-top:17px;font-size:var(--text-xs);color:var(--tone-muted)}.courseware-story{margin-top:95px}.courseware-title{display:grid;grid-template-columns:1.1fr 1fr auto;gap:30px;align-items:end;margin-bottom:30px}.courseware-title .folio{margin-bottom:16px;--folio-accent:var(--clay-500)}.courseware-title>p{font-size:var(--text-sm);color:var(--muted);line-height:2}.courseware-title .inline-link{margin-bottom:3px}.courseware-composition{display:grid;grid-template-columns:2.2fr 1fr}.video-board{background:var(--ink);padding:22px;min-width:0}.video-board-top{display:flex;justify-content:space-between;gap:15px;color:var(--dark-text);font:var(--text-xs) var(--mono);margin-bottom:18px;letter-spacing:.8px}.video-board-top small{font-family:inherit;font-size:var(--text-xs);letter-spacing:0}.lecture-frame{position:relative;aspect-ratio:1.95;background:var(--video-paper);overflow:hidden}.lecture-copy{padding:36px 29px;color:var(--video-ink);width:76%;position:relative;z-index:1}.lecture-copy>small{font:var(--text-xs) var(--mono);letter-spacing:1px;color:var(--video-muted)}.lecture-copy h4{font-size:26px;line-height:1.7;margin-top:17px}.lecture-copy p{font-size:var(--text-xs);margin-top:15px;color:var(--video-muted)}.lecture-diagram{display:flex;align-items:center;gap:13px;font-size:var(--text-xs);margin-top:24px}.lecture-diagram>span{padding:5px 8px;border:1px solid var(--video-line)}.lecture-diagram i{font-style:normal;color:var(--video-muted)}.speaker-outline{position:absolute;right:3%;width:31%;bottom:30px;color:var(--video-ink)}.speaker-outline svg{display:block;width:100%;max-height:255px;fill:var(--video-surface);stroke:var(--video-ink);stroke-width:1.25}.speaker-outline>span{position:absolute;top:18px;right:0;writing-mode:vertical-rl;font-size:var(--text-xs);letter-spacing:2px}.lecture-subtitle{position:absolute;bottom:0;left:0;right:0;padding:9px;text-align:center;font-size:var(--text-xs);letter-spacing:.5px;color:var(--video-paper);background:var(--video-ink)}.video-timeline{display:flex;align-items:center;gap:15px;margin-top:17px;color:var(--dark-muted)}.home-video-play{color:var(--dark-text);font-size:20px;width:35px;height:35px}.video-timeline>div{flex:1;position:relative;background:var(--dark-line);height:18px;overflow:hidden}.video-timeline>div>i{position:absolute;inset:0 auto 0 0;width:25%;background:var(--signal)}.video-timeline>div:nth-of-type(2)>i{background:var(--clay-500);width:35%}.video-timeline>div>span{position:relative;font-size:var(--text-xs);line-height:18px;padding-left:8px;z-index:1;color:var(--dark-text)}.video-timeline>small{font-size:var(--text-xs)}.video-board.playing .video-timeline i{animation:videotrack 12s linear infinite}.video-board.playing .speaker-outline svg{animation:speaker 3s ease-in-out infinite}.production-notes{background:var(--video-surface);padding:25px 25px 21px;border:1px solid var(--video-line);display:flex;flex-direction:column}.annotation-label{font-size:var(--text-xs);color:var(--video-muted)}.production-notes ol{list-style:none;margin:17px 0 0;padding:0;flex:1}.production-notes li{display:flex;gap:15px;padding:19px 0;border-top:1px solid var(--video-line)}.production-notes li>span{font:var(--text-xs) var(--mono);color:var(--video-muted);padding-top:3px}.production-notes b{font-size:var(--text-sm);font-weight:500}.production-notes p{font-size:var(--text-sm);color:var(--video-muted);line-height:1.9;margin-top:7px}.production-note-bottom{font-size:var(--text-sm);line-height:2;border-top:1px solid var(--video-line);padding-top:18px;margin-top:12px;color:var(--video-ink)}.production-note-bottom>span{font-size:var(--text-xs);color:var(--video-muted)}
.compute-chapter{background:var(--ink);color:var(--paper);padding:75px 0}.compute-layout{display:grid;grid-template-columns:40% 1fr;gap:10%;align-items:center}.compute-chapter .folio{--folio-accent:var(--dark-muted)}.compute-chapter .folio small,.compute-chapter .story-copy>p:not(.story-lead){color:var(--dark-muted)}.compute-scope{margin:26px 0 20px;font-size:var(--text-sm)}.compute-scope>div{display:flex;gap:28px;padding:13px 0;border-top:1px solid var(--dark-line)}.compute-scope dt{color:var(--dark-muted);font-size:var(--text-sm)}.compute-scope dd{margin:0;color:var(--dark-text);font-size:var(--text-sm)}.compute-chapter .inline-link{color:var(--dark-text);border-color:var(--dark-line)}.compute-chapter .inline-link:hover{color:white}.hardware-drawing{padding:25px 0 25px 25px;position:relative;border-left:1px solid var(--dark-line)}.hardware-caption{display:flex;justify-content:space-between;color:var(--dark-muted);font-size:var(--text-xs);gap:18px}.hardware-caption span:last-child{font:var(--text-xs) var(--mono);letter-spacing:.6px}.hardware-rack{margin:45px 15px 35px 15px;transform:none;transform-origin:center}.rack-cap{font:var(--text-xs) var(--mono);padding:15px;border:1px solid var(--dark-line);background:var(--dark-raised);letter-spacing:1px;color:var(--dark-text)}.rack-blade{display:flex;align-items:center;gap:19px;padding:22px 16px;border:1px solid var(--dark-line);border-top:0;background:var(--dark-raised);position:relative;box-shadow:8px 6px 0 var(--ink)}.rack-blade>b{font:var(--text-xs) var(--mono);color:var(--dark-muted)}.rack-blade>span{font-size:var(--text-sm);white-space:nowrap;color:var(--dark-text)}.rack-blade>div{display:flex;gap:5px;margin-left:auto}.rack-blade i{height:18px;width:2px;background:var(--dark-line)}.rack-blade>em{display:block;width:4px;height:4px;border-radius:50%;background:var(--signal);margin-left:10px;animation:signal 3s infinite}.rack-blade:nth-child(3)>em{animation-delay:-1s}.rack-blade:nth-child(4)>em{animation-delay:-2s}.rack-foundation{display:flex;justify-content:space-between;padding:16px;border:1px solid var(--dark-line);border-top:0;font:var(--text-xs) var(--mono);color:var(--dark-muted);letter-spacing:1px}.hardware-note{font-size:var(--text-sm);color:var(--dark-muted);display:flex;align-items:center;gap:15px}.hardware-note .small-cross{color:var(--dark-muted)}
.clients{padding-top:var(--section-space);padding-bottom:88px}.client-toolbar{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:17px;gap:20px;font-size:var(--text-sm);color:var(--muted)}.client-toolbar>div{display:flex;gap:27px}.client-filter{padding:10px 0;font-size:var(--text-sm);position:relative;color:var(--muted)}.client-filter.active{color:var(--ink)}.client-filter.active:after{content:"";position:absolute;bottom:3px;left:0;right:0;height:1px;background:var(--ink)}.client-wall{display:grid;grid-template-columns:repeat(6,minmax(0,1fr))}.client-tile{height:145px;padding:25px 12px 18px;display:flex;align-items:center;justify-content:center;flex-direction:column;border-bottom:1px solid var(--line);min-width:0}.client-tile img{max-width:90%;width:auto;height:64px;object-fit:contain;filter:none;opacity:1;transition:transform .4s}.client-tile:hover img{transform:translateY(-3px)}.client-tile figcaption{font-size:var(--text-xs);color:var(--muted);margin-top:16px;text-align:center;line-height:1.6}.client-enter{animation:appear .4s both;animation-delay:var(--client-delay,0ms)}
.industries{display:grid;grid-template-columns:32% 1fr;gap:10%;padding-top:42px;padding-bottom:95px;border-top:1px solid var(--line)}.industry-heading h2{font-size:27px;line-height:1.7;margin-top:17px}.industry-heading>p{font-size:var(--text-sm);color:var(--muted);line-height:2;margin-top:22px}.industry-list details{border-bottom:1px solid var(--line)}.industry-list details:first-child{border-top:1px solid var(--line)}summary{cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}.industry-list summary{display:flex;align-items:center;gap:25px;padding:25px 0}.industry-list summary>small{font:var(--text-xs) var(--mono);color:var(--muted)}.industry-list summary>span{font-size:18px}.industry-list summary>i{font-style:normal;margin-left:auto;font-size:21px;color:var(--muted);font-weight:300;transition:transform .3s}.industry-list details[open] summary>i{transform:rotate(45deg);color:var(--blue)}.industry-content{display:grid;grid-template-columns:1fr 1.1fr;gap:20px 30px;padding:0 0 28px 43px}.industry-content>p{font-size:var(--text-sm);color:var(--muted);line-height:2}.industry-content ul{padding:0;margin:0;list-style:none;font-size:var(--text-sm);line-height:2.1}.industry-content li:before{content:"—";margin-right:10px;color:var(--tone-muted)}.industry-content>a{font-size:var(--text-sm);color:var(--blue)}.about{border-top:1px solid var(--line);padding-top:55px;padding-bottom:95px;display:grid;grid-template-columns:32% 1fr;gap:10%;align-items:center}.about-mark{background:var(--tone-soft);min-height:335px;padding:37px;display:flex;flex-direction:column;align-items:flex-start;position:relative}.about-mark img{width:85px;height:85px;margin-left:-8px}.about-mark>span{font-size:26px;line-height:1.8;margin-top:18px}.about-mark>small{font:var(--text-xs) var(--mono);letter-spacing:1.7px;color:var(--muted);margin-top:auto;padding-top:25px}.about-writing h2{font-size:23px;line-height:1.7;margin-top:15px}.about-writing>p{font-size:var(--text-base);color:var(--muted);line-height:2.1;margin-top:18px}.working-method{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:27px}.working-method>div{border-top:1px solid var(--line);padding-top:17px}.working-method small{font-size:var(--text-xs);color:var(--muted)}.working-method span{font-size:var(--text-sm);display:block;margin-top:10px;line-height:1.8}.about-writing>.inline-link{margin-top:25px}
.footer{background:var(--ink);color:var(--paper);padding:0 var(--gutter)}.footer-contact{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--dark-line);padding:43px 0;gap:30px;max-width:1296px;margin:auto}.footer-contact small{font-size:var(--text-sm);color:var(--dark-muted)}.footer-contact h2{font-size:24px;line-height:1.7;margin-top:12px}.round-contact{width:64px;height:64px;border:1px solid var(--dark-line);border-radius:50%;font-size:30px;color:var(--dark-text);transition:background .3s,color .3s}.round-contact:hover{background:var(--paper);color:var(--ink)}.footer-main{max-width:1296px;margin:auto;padding:44px 0 38px;display:grid;grid-template-columns:1.4fr 1fr .8fr 1.4fr;gap:40px}.footer .brand>span{font-size:18px}.footer-brand p{font-size:var(--text-sm);color:var(--dark-muted);margin-top:23px}.footer-brand>span{display:block;font-size:var(--text-xs);color:var(--dark-muted);margin-top:12px}.footer-col{display:flex;flex-direction:column;align-items:flex-start;gap:13px}.footer-col h3{font-size:var(--text-sm);color:var(--dark-muted);margin-bottom:9px;font-weight:400}.footer-col a,.footer-col p,.footer-col>button{font-size:var(--text-sm);line-height:1.8;color:var(--dark-text);padding:0}.footer-col a:hover{color:white}.footer-col .footer-phone{font:18px var(--mono);color:var(--paper);white-space:nowrap}.footer-bottom{max-width:1296px;margin:auto;display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--dark-line);padding:22px 0;font-size:var(--text-xs);color:var(--dark-muted)}.footer-bottom>span:nth-child(2){font:var(--text-xs) var(--mono);letter-spacing:1px}
.dialog{background:var(--paper);color:var(--ink);border:1px solid var(--line);padding:38px;max-width:550px;width:calc(100% - 36px);max-height:90svh;overflow:auto}.dialog::backdrop{background:#14243ac4}.close-dialog{position:absolute;right:18px;top:13px;font-size:26px;width:36px;height:36px}.dialog h2{font-size:24px;line-height:1.6;margin-top:15px}.dialog>p{font-size:var(--text-sm);color:var(--muted);margin-top:10px}.dialog form{display:grid;gap:10px;margin-top:24px}.dialog label{font-size:var(--text-sm);margin-top:7px}.dialog input,.dialog select,.dialog textarea{width:100%;background:var(--surface);border:1px solid var(--line);padding:12px;color:var(--ink);font-size:var(--text-sm);resize:vertical;border-radius:0}.dialog form .button{margin-top:9px}.form-note,.mail-status{font-size:var(--text-sm);color:var(--muted);line-height:1.9}.direct-contact{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:23px;padding-top:20px;font-size:var(--text-sm)}.direct-contact a>b{display:block;font:var(--text-md) var(--mono);margin-top:8px}.direct-contact button{padding:0;font-size:var(--text-sm)}.direct-contact button>span{padding-left:12px}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,15px);background:var(--ink);color:var(--paper);border:1px solid var(--dark-line);padding:13px 20px;max-width:calc(100vw - 36px);font-size:var(--text-sm);line-height:1.8;opacity:0;visibility:hidden;transition:opacity .2s,transform .2s;z-index:80}.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--delay,0ms)}.reveal.in{opacity:1;transform:none}.demo-changing{animation:appear .4s var(--ease)}
@keyframes appear{from{opacity:.2;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes signal{0%,100%{opacity:.35}50%{opacity:1}}@keyframes downstream{from{top:0;opacity:0}20%{opacity:1}to{top:33px;opacity:.3}}@keyframes atlasflow{to{stroke-dashoffset:-126}}@keyframes orbit{to{transform:rotate(360deg)}}@keyframes videotrack{from{width:8%}to{width:100%}}@keyframes speaker{0%,100%{transform:translateY(0)}50%{transform:translateY(-2px)}}
@media(min-width:1600px){.brand-instrument{height:520px}.opening-layout{gap:9%}.opening-copy>p{font-size:var(--text-md);max-width:390px}.product-story{gap:10%}.process-sheet{padding:32px}.knowledge-drawing{min-height:470px}.knowledge-atlas svg{height:345px}.lecture-copy{padding:45px 38px}.lecture-copy h4{font-size:30px}}
@media(max-width:1100px){:root{--gutter:52px;--section-space:76px}.nav{gap:21px}.nav a{font-size:var(--text-sm)}.brand>span{font-size:18px}.header-contact{gap:15px;font-size:var(--text-sm)}.edge-index{left:16px}.opening-layout{gap:6%;grid-template-columns:.9fr 1.1fr}.opening-copy h1{font-size:31px}.opening-copy>p{font-size:var(--text-base)}.brand-instrument{height:420px}.instrument-top{left:19px;right:19px}.instrument-caption{left:19px;right:19px;font-size:var(--text-sm)}.instrument-caption small{font-size:var(--text-xs)}.scene-controls button{padding-left:13px;font-size:var(--text-sm)}.scene-controls small{margin-right:5px}.opening-footnote{margin-top:30px}.product-directory a{font-size:var(--text-sm);gap:9px;padding-right:15px}.product-directory a+a{padding-left:15px}.product-story{gap:6%;grid-template-columns:39% 1fr}.story-copy h3,.courseware-title h3,.story-copy h2{font-size:23px}.story-copy>p:not(.story-lead){font-size:var(--text-sm)}.story-lead{font-size:var(--text-md)}.process-sheet{padding:21px;min-height:450px}.paper-form{width:84%;margin-right:0;padding:17px}.approval-path>div{padding:18px 7px}.approval-path b{font-size:var(--text-sm)}.approval-path small{font-size:var(--text-xs)}.approval-path i{right:8px}.knowledge-story{grid-template-columns:1fr 39%}.knowledge-drawing{padding:22px;min-height:410px}.knowledge-atlas svg{height:295px}.courseware-title{gap:22px;grid-template-columns:1.2fr 1fr auto}.courseware-title>p{font-size:var(--text-sm)}.courseware-title .inline-link{font-size:var(--text-sm);gap:12px}.lecture-copy{padding:27px 23px}.lecture-copy h4{font-size:23px;margin-top:13px}.lecture-copy p{font-size:var(--text-xs)}.lecture-diagram{margin-top:16px;gap:9px}.production-notes{padding:21px 20px}.production-notes li{padding:16px 0;gap:12px}.production-notes p{font-size:var(--text-xs)}.production-note-bottom{font-size:var(--text-xs)}.production-note-bottom span{font-size:var(--text-xs)}.compute-layout{gap:7%;grid-template-columns:43% 1fr}.rack-blade{gap:12px;padding:20px 12px}.hardware-caption span:last-child{display:none}.client-tile{height:135px}.client-tile img{height:57px}.client-tile figcaption{font-size:var(--text-xs)}.industries,.about{grid-template-columns:33% 1fr;gap:7%}.industry-content{grid-template-columns:1fr;padding-left:0;gap:12px}.industry-heading h2{font-size:25px}.about-mark{min-height:340px;padding:27px}.about-writing h2{font-size:21px}.about-writing>p{font-size:var(--text-sm)}.working-method{gap:15px}.working-method span{font-size:var(--text-xs)}.footer-main{gap:25px;grid-template-columns:1.25fr 1fr .9fr 1.3fr}.footer-col a,.footer-col p{font-size:var(--text-xs)}.footer-col .footer-phone{font-size:var(--text-md)}}
@media(max-width:800px){:root{--gutter:30px;--section-space:64px}.edge-index{display:none}.header,.header.scrolled{height:76px}.header{gap:20px}.brand>span{font-size:17px}.brand img{width:31px;height:31px}.brand small{font-size:var(--text-xs)}.nav{gap:17px}.nav a{font-size:var(--text-sm)}.header-contact{gap:12px;font-size:var(--text-sm)}.opening-copy h1{font-size:28px}.opening-copy>p{font-size:var(--text-sm)}.opening-copy .eyebrow{font-size:var(--text-xs)}.opening-layout{gap:5%;margin-top:28px}.brand-instrument{height:390px}.opening-footnote{margin-top:24px}.opening-footnote p{font-size:var(--text-sm)}.opening-copy>.inline-link{margin-top:22px}.instrument-top{font-size:var(--text-xs);left:15px;right:15px}.instrument-caption{font-size:var(--text-xs);left:15px;right:15px;bottom:64px;display:block}.instrument-caption small{display:none}.scene-controls button{font-size:var(--text-xs);padding-left:11px}.scene-controls small{display:block;margin:0 0 6px}.brand-instrument canvas{bottom:117px;height:calc(100% - 169px)}.opening-bottom{font-size:var(--text-xs);letter-spacing:.5px}.section-intro h2{font-size:25px}.section-intro>p{font-size:var(--text-sm)}.product-directory{grid-template-columns:1fr 1fr}.product-directory a{padding:20px 18px 20px 0}.product-directory a:nth-child(3){border-left:0;padding-left:0}.product-directory a:nth-child(n+3){border-top:1px solid var(--line)}.product-story{grid-template-columns:1fr 1.15fr;gap:5%;margin-top:62px}.story-copy h3,.courseware-title h3{font-size:21px}.story-lead{font-size:var(--text-md)}.story-copy>p:not(.story-lead){font-size:var(--text-sm)}.story-facts{font-size:var(--text-sm);margin:19px 0}.folio{gap:14px;margin-bottom:19px}.folio small{font-size:var(--text-xs)}.process-sheet{padding:17px;min-height:400px}.sheet-heading,.drawing-head{font-size:var(--text-xs)}.sheet-heading small,.drawing-head small{font-size:var(--text-xs)}.paper-form{padding:15px;margin-top:23px;width:91%}.form-line{font-size:var(--text-xs);gap:12px;padding:10px 0}.form-line small{font-size:var(--text-xs)}.paper-tab{font-size:var(--text-xs);margin-bottom:12px}.approval-path b{font-size:var(--text-xs)}.approval-path small{font-size:var(--text-xs)}.approval-path>div{padding:16px 6px}.sheet-footer{font-size:var(--text-xs);gap:10px}.knowledge-story{grid-template-columns:1.15fr 1fr}.knowledge-drawing{padding:18px;min-height:370px}.knowledge-atlas svg{height:265px}.atlas-foot{font-size:var(--text-xs)}.courseware-story{margin-top:70px}.courseware-title{grid-template-columns:1fr auto;gap:15px}.courseware-title>p{grid-row:2;font-size:var(--text-sm)}.courseware-title .inline-link{grid-row:1 / span 2;grid-column:2;align-self:end}.courseware-composition{grid-template-columns:1.9fr 1fr}.video-board{padding:17px}.video-board-top{font-size:var(--text-xs);letter-spacing:.3px}.video-board-top small{font-size:var(--text-xs)}.lecture-frame{aspect-ratio:1.5}.lecture-copy{padding:24px 18px;width:80%}.lecture-copy h4{font-size:21px}.lecture-copy>small{font-size:var(--text-xs)}.lecture-copy p{font-size:var(--text-xs);max-width:130px}.lecture-diagram{gap:6px;font-size:var(--text-xs)}.lecture-diagram>span{padding:4px 6px}.lecture-subtitle{font-size:var(--text-xs);padding:8px}.speaker-outline{bottom:26px;width:33%}.speaker-outline>span{font-size:var(--text-xs);top:8px}.production-notes{padding:17px}.annotation-label{font-size:var(--text-xs)}.production-notes ol{margin-top:15px}.production-notes li{gap:9px;padding:16px 0}.production-notes b{font-size:var(--text-sm)}.production-notes p{font-size:var(--text-xs);margin-top:6px}.production-note-bottom{font-size:var(--text-xs);padding-top:14px}.production-note-bottom>span{font-size:var(--text-xs)}.video-timeline{gap:9px}.video-timeline>small{display:none}.compute-chapter{padding:55px 0}.compute-layout{grid-template-columns:1fr 1fr;gap:5%}.story-copy h2{font-size:23px}.compute-scope{font-size:var(--text-sm)}.compute-scope>div{gap:18px}.compute-scope dd{font-size:var(--text-xs)}.hardware-drawing{padding-left:18px}.rack-blade{gap:9px;padding:20px 10px}.rack-blade>span{font-size:var(--text-sm)}.rack-blade>div{gap:4px}.rack-blade i{width:1px}.rack-blade>em{margin-left:2px}.rack-cap{font-size:var(--text-xs);padding:12px}.rack-foundation{padding:13px 10px;font-size:var(--text-xs)}.hardware-rack{margin:40px 7px 30px}.hardware-note{font-size:var(--text-xs);gap:10px}.clients{padding-bottom:65px}.client-wall{grid-template-columns:repeat(4,minmax(0,1fr))}.client-tile{height:130px}.client-tile img{height:57px;max-width:88%}.client-toolbar>div{gap:20px}.industries{padding-top:30px;padding-bottom:65px;grid-template-columns:31% 1fr;gap:8%}.industry-heading h2{font-size:23px}.industry-heading>p{font-size:var(--text-sm)}.industry-list summary>span{font-size:var(--text-md)}.industry-content>p{font-size:var(--text-sm)}.industry-content ul{font-size:var(--text-sm)}.about{grid-template-columns:30% 1fr;gap:8%;padding-top:40px;padding-bottom:65px}.about-mark{padding:22px;min-height:320px}.about-mark>span{font-size:22px}.about-mark img{width:70px;height:70px}.about-writing h2{font-size:20px}.working-method{gap:13px}.working-method small{font-size:var(--text-xs)}.working-method span{font-size:var(--text-xs)}.footer-main{grid-template-columns:1.2fr 1fr;gap:35px 50px}.footer-col a,.footer-col p{font-size:var(--text-sm)}.footer-col .footer-phone{font-size:18px}.footer-bottom>span:nth-child(2){display:none}.footer-contact h2{font-size:22px}}
@media(max-width:600px){:root{--gutter:22px;--section-space:56px}.header{height:72px;padding:0 22px;gap:20px}.header.scrolled{height:72px}.brand>span{font-size:17px}.header-contact{margin-left:auto;gap:10px;font-size:var(--text-sm);border:0;white-space:nowrap}.header-contact span{font-size:19px}.menu-button{display:flex;flex-direction:column;justify-content:center;gap:5px;width:28px;height:44px;padding:0}.menu-button span{height:1px;width:22px;background:var(--ink);transition:transform .3s}.menu-button[aria-expanded=true] span:first-child{transform:translateY(3px) rotate(45deg)}.menu-button[aria-expanded=true] span:last-child{transform:translateY(-3px) rotate(-45deg)}.nav{display:none;position:absolute;top:71px;left:0;right:0;padding:18px 22px 25px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a{padding:15px 0;font-size:var(--text-base);border-bottom:1px solid var(--line)}.nav a:after{display:none}.opening{padding-top:18px}.opening-note{font-size:var(--text-xs)}.opening-note>span:last-child{font-size:var(--text-xs);letter-spacing:0}.opening-layout{grid-template-columns:1fr;gap:28px;margin-top:28px}.opening-copy{padding:0}.opening-copy .eyebrow{font-size:var(--text-sm)}.opening-copy h1{font-size:30px;line-height:1.65;margin-top:18px}.opening-copy>p{font-size:var(--text-base);margin-top:18px;max-width:100%}.opening-copy>.inline-link{margin-top:20px}.opening-footnote{display:none}.brand-instrument{height:360px}.instrument-top{top:19px;left:18px;right:18px;font-size:var(--text-xs)}.instrument-top>span:first-child{font-size:var(--text-xs)}.brand-instrument canvas{top:45px;bottom:105px;height:calc(100% - 150px)}.instrument-caption{bottom:67px;left:18px;right:18px;font-size:var(--text-sm)}.scene-controls button{font-size:var(--text-sm);padding:15px 0 15px 15px}.scene-controls small{display:inline;margin-right:7px;font-size:var(--text-xs)}.opening-bottom{margin-top:22px;padding-bottom:17px;font-size:var(--text-xs);letter-spacing:.4px}.opening-bottom>a{font-size:var(--text-xs);gap:15px}.portfolio{padding-bottom:55px}.section-intro{display:block;margin-bottom:26px}.section-intro h2{font-size:24px;line-height:1.65;margin-top:13px}.section-intro>p{font-size:var(--text-sm);margin-top:17px}.eyebrow{font-size:var(--text-xs)}.product-directory a{font-size:var(--text-sm);gap:10px;padding:20px 13px 20px 0}.product-directory a+a{padding-left:13px}.product-directory a:nth-child(3){padding-left:0}.product-directory span{font-size:var(--text-xs)}.product-story,.knowledge-story{grid-template-columns:1fr;gap:28px;margin-top:45px}.knowledge-story .story-copy{order:-1}.story-copy h3,.courseware-title h3,.story-copy h2{font-size:23px}.folio{margin-bottom:17px;gap:15px}.folio>span{font-size:26px}.folio small{font-size:var(--text-xs)}.story-lead{font-size:var(--text-md);margin-top:12px}.story-copy>p:not(.story-lead){font-size:var(--text-base);margin-top:12px;line-height:2}.story-facts{font-size:var(--text-sm);margin:20px 0}.story-facts li{padding:10px 0}.inline-link{font-size:var(--text-sm);gap:28px}.process-sheet{padding:20px;min-height:416px}.paper-form{width:85%;padding:18px}.paper-tab{font-size:var(--text-sm)}.form-line{font-size:var(--text-xs);padding:11px 0}.form-line small{font-size:var(--text-xs)}.sheet-heading,.drawing-head{font-size:var(--text-sm)}.sheet-heading small,.drawing-head small{font-size:var(--text-xs)}.process-connector{height:35px}.approval-path>div{padding:18px 7px}.approval-path b{font-size:var(--text-sm)}.approval-path small{font-size:var(--text-xs)}.approval-path i{font-size:var(--text-sm);top:17px;right:9px}.sheet-footer{font-size:var(--text-xs);margin-top:22px}.knowledge-drawing{min-height:330px;padding:20px}.knowledge-atlas svg{height:230px}.knowledge-atlas{margin-left:-21px;margin-right:-21px}.atlas-foot{font-size:var(--text-xs);padding-top:16px}.courseware-story{margin-top:47px}.courseware-title{grid-template-columns:1fr;gap:17px;margin-bottom:24px}.courseware-title>p{font-size:var(--text-sm);grid-row:auto}.courseware-title .inline-link{grid-row:auto;grid-column:auto;justify-self:start;font-size:var(--text-sm);gap:28px}.courseware-title .folio{margin-bottom:16px}.courseware-composition{grid-template-columns:1fr}.video-board{padding:17px}.video-board-top{font-size:var(--text-xs);margin-bottom:15px}.video-board-top small{font-size:var(--text-xs)}.lecture-frame{aspect-ratio:1.55}.lecture-copy{padding:22px 17px;width:81%}.lecture-copy h4{font-size:21px;margin-top:13px}.lecture-copy>small{font-size:var(--text-xs)}.lecture-copy p{font-size:var(--text-xs);margin-top:10px}.lecture-diagram{margin-top:15px;gap:7px}.speaker-outline{width:32%;bottom:24px}.speaker-outline svg{max-height:180px}.lecture-subtitle{font-size:var(--text-xs);padding:8px 4px}.lecture-diagram>span{padding:4px 6px}.video-timeline{margin-top:12px;gap:12px}.production-notes{padding:24px 20px 21px}.annotation-label{font-size:var(--text-xs)}.production-notes ol{margin-top:18px}.production-notes li{padding:14px 0;gap:15px}.production-notes b{font-size:var(--text-sm)}.production-notes p{font-size:var(--text-sm);margin-top:5px}.production-notes li>span{font-size:var(--text-xs)}.production-note-bottom{font-size:var(--text-sm);margin-top:4px;padding-top:14px}.production-note-bottom>span{font-size:var(--text-sm)}.compute-chapter{padding:44px 0}.compute-layout{grid-template-columns:1fr;gap:35px}.compute-scope{margin-top:23px}.compute-scope>div{padding:13px 0;gap:30px}.compute-scope dt{font-size:var(--text-sm)}.compute-scope dd{font-size:var(--text-sm)}.hardware-drawing{border:1px solid var(--dark-line);padding:20px 18px}.hardware-caption{font-size:var(--text-xs)}.hardware-rack{margin:28px 7px}.rack-cap{font-size:var(--text-xs)}.rack-blade{padding:18px 12px;gap:15px}.rack-blade>span{font-size:var(--text-sm)}.rack-blade>div{gap:5px}.rack-blade i{height:17px;width:2px}.rack-blade>em{margin-left:8px}.rack-foundation{font-size:var(--text-xs);padding:14px 12px}.hardware-note{font-size:var(--text-sm)}.clients{padding-bottom:50px}.client-toolbar{display:block;padding-bottom:13px}.client-toolbar>span{display:none}.client-toolbar>div{justify-content:space-between;gap:10px}.client-filter{font-size:var(--text-sm)}.client-wall{grid-template-columns:repeat(3,minmax(0,1fr))}.client-tile{height:114px;padding:20px 7px 12px}.client-tile img{height:48px;width:auto;max-width:94%}.client-tile figcaption{font-size:var(--text-xs);margin-top:13px;line-height:1.6}.industries{grid-template-columns:1fr;gap:28px;padding-top:30px;padding-bottom:50px}.industry-heading h2{font-size:24px;margin-top:14px}.industry-heading>p{font-size:var(--text-sm);margin-top:15px}.industry-list summary{gap:20px;padding:22px 0}.industry-list summary>span{font-size:17px}.industry-content{padding:0 0 23px 33px;gap:12px}.industry-content>p{font-size:var(--text-sm)}.industry-content ul{font-size:var(--text-sm)}.industry-content>a{font-size:var(--text-sm);margin-top:5px}.about{grid-template-columns:1fr;gap:29px;padding-top:35px;padding-bottom:52px}.about-mark{display:grid;grid-template-columns:85px 1fr;align-items:center;gap:10px 28px;min-height:180px;padding:25px 27px}.about-mark img{width:83px;height:83px;margin:0}.about-mark>span{font-size:23px;line-height:1.7;margin-top:0}.about-mark>small{grid-column:1 / -1;padding-top:8px;margin-top:0;font-size:var(--text-xs)}.about-writing h2{font-size:21px;margin-top:14px}.about-writing>p{font-size:var(--text-base);line-height:2;margin-top:16px}.working-method{gap:16px;margin-top:23px}.working-method small{font-size:var(--text-xs)}.working-method span{font-size:var(--text-xs);line-height:1.9}.about-writing>.inline-link{margin-top:22px}.footer-contact{padding:30px 0;gap:20px}.footer-contact small{font-size:var(--text-xs)}.footer-contact h2{font-size:20px;max-width:230px;line-height:1.65;margin-top:10px}.round-contact{width:48px;height:48px;flex-shrink:0;font-size:24px}.footer-main{padding:31px 0;grid-template-columns:1fr 1fr;gap:32px 25px}.footer-brand{grid-column:1 / -1}.footer-brand p{margin-top:16px;font-size:var(--text-sm)}.footer-brand>span{font-size:var(--text-sm);margin-top:9px}.footer-col h3{font-size:var(--text-sm);margin-bottom:5px}.footer-col a,.footer-col p{font-size:var(--text-sm)}.contact-col{grid-column:1 / -1;gap:12px}.footer-col .footer-phone{font-size:20px}.footer-bottom{font-size:var(--text-xs);line-height:1.7;gap:16px;padding:19px 0}.footer-bottom a{white-space:nowrap}.dialog{padding:29px 24px}.dialog h2{font-size:22px}.direct-contact{gap:15px}.direct-contact a>b{font-size:var(--text-base)}.direct-contact button{font-size:var(--text-xs)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition-duration:0s!important}.reveal{opacity:1;transform:none}}
@media(min-width:601px) and (max-width:720px){.header-contact{margin-left:auto}.menu-button{display:flex;flex-direction:column;justify-content:center;gap:5px;width:28px;height:44px;padding:0}.menu-button span{height:1px;width:22px;background:var(--ink)}.menu-button[aria-expanded=true] span:first-child{transform:translateY(3px) rotate(45deg)}.menu-button[aria-expanded=true] span:last-child{transform:translateY(-3px) rotate(-45deg)}.nav{display:none;position:absolute;top:75px;left:0;right:0;padding:18px 30px 25px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a{padding:15px 0;font-size:var(--text-base);border-bottom:1px solid var(--line)}.nav a:after{display:none}}
/* Product accents remain subordinate to the shared brand blue. */
.header{background:var(--surface)}
.knowledge-drawing{--tone-soft:var(--knowledge-soft);--tone-paper:var(--knowledge-paper);--tone-line:var(--knowledge-line);--tone-ink:var(--knowledge-ink);--tone-muted:var(--knowledge-muted);background:var(--knowledge-soft);border-color:var(--knowledge-line)}
.knowledge-story .folio{--folio-accent:var(--knowledge-accent)}
.knowledge-drawing .atlas-lines{color:var(--knowledge-accent)}
.knowledge-drawing .atlas-node rect{stroke:var(--knowledge-line)}
.knowledge-drawing .atlas-foot{border-color:var(--knowledge-line)}
.courseware-title .folio{--folio-accent:var(--clay-500)}
.speaker-outline svg{fill:var(--video-surface);stroke:var(--video-ink)}
.lecture-subtitle{background:var(--video-ink);color:var(--video-paper)}
.production-note-bottom{color:var(--video-ink)}

/* Direct platform entry and the separate product introduction. */
.product-entry-links{display:flex;align-items:center;flex-wrap:wrap;gap:8px 26px;margin-top:5px}
.product-entry-links .text-button{font-size:var(--text-sm);color:var(--muted);gap:12px}
.product-entry-links .text-button:hover{color:var(--blue)}
.courseware-title .product-entry-links{flex-direction:column;align-items:flex-start;gap:0;margin-top:0}
@media(min-width:601px) and (max-width:900px){.courseware-title .product-entry-links{grid-row:1 / span 2;grid-column:2;align-self:end}}
@media(max-width:600px){.courseware-title .product-entry-links{flex-direction:row;align-items:center;gap:8px 26px;grid-row:auto;grid-column:auto}}

/* Product destinations have explicit primary and secondary actions. */
.product-entry-links{gap:12px;margin-top:12px}
.platform-entry{background:var(--blue-700);min-height:48px;padding:13px 20px;color:var(--white)}
.platform-entry:hover{background:#1e47bc}
.platform-intro{display:inline-flex;align-items:center;justify-content:space-between;gap:20px;min-height:48px;border:1px solid var(--tone-line);padding:13px 18px;font-size:var(--text-sm);color:var(--ink);background:var(--surface);transition:border-color .2s,color .2s}
.platform-intro span{font-size:20px}
.platform-intro:hover{color:var(--blue-700);border-color:var(--blue-700)}
.courseware-title .product-entry-links{gap:10px}
.contact-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:8px}
.field-group{display:grid;gap:10px;min-width:0}
.contact-method-fields{grid-template-columns:105px minmax(0,1fr)}
.contact-fields label{margin-top:0}
.required-mark{color:var(--blue-700)}
.dialog .contact-consent{display:flex;align-items:flex-start;gap:9px;font-size:var(--text-sm);line-height:1.8;margin-top:7px}
.dialog .contact-consent input{width:15px;height:15px;flex-shrink:0;padding:0;margin:2px 0 0;accent-color:var(--blue-700)}
.form-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.contact-status{font-size:var(--text-sm);line-height:1.8;color:var(--muted)}
.contact-status:empty{display:none}
.contact-status[data-state=error]{color:#a63e30}
.contact-status[data-state=success]{color:var(--knowledge-accent)}
#contact-submit:disabled{opacity:.7;cursor:wait}
@media(max-width:600px){.platform-entry,.platform-intro{font-size:var(--text-sm);min-height:48px}.product-entry-links{gap:12px}.contact-fields{gap:10px}.contact-method-fields{grid-template-columns:90px minmax(0,1fr)}}

/* Contact actions stay visible in navigation and throughout the page. */
.header-contact{background:var(--blue-700);color:var(--white);border:0;padding:12px 18px;min-height:48px;gap:15px;justify-content:center;font-weight:500;transition:background .2s}
.header-contact span{color:inherit}
.header-contact:hover{background:#1e47bc}
.about-writing>.button{margin-top:25px;background:var(--blue-700)}
.about-writing>.button:hover{background:#1e47bc}
.round-contact{background:var(--blue-700);color:var(--white);border-color:var(--blue-700)}
.round-contact:hover{background:#1e47bc;color:var(--white);border-color:#1e47bc}
@media(max-width:600px){.header{gap:12px}.header-contact{font-size:var(--text-sm);min-height:44px;padding:10px 12px;gap:8px}.header-contact span{font-size:18px}.about-writing>.button{margin-top:22px}}

/* Reading hierarchy: prose 16, controls 14, supporting labels 12. */
body{font-size:var(--text-base)}
.opening-copy>p,.section-intro>p,.story-copy>p:not(.story-lead),.courseware-title>p,.industry-heading>p,.industry-content>p,.industry-content ul,.about-writing>p{font-size:var(--text-base);line-height:var(--leading-copy)}
.story-lead{font-size:var(--text-md);line-height:1.7}
.nav a,.header-contact,.inline-link,.button,.text-button,.platform-intro,.product-directory a,.story-facts,.compute-scope dd,.client-filter,.industry-content>a,.footer-col a,.footer-col p,.footer-col>button,.footer-col h3,.footer-brand p,.working-method span{font-size:var(--text-sm);line-height:1.65}
.eyebrow,.folio small,.opening-note,.instrument-top,.scene-controls small,.sheet-footer,.rack-cap,.rack-foundation,.footer-bottom,.footer-brand>span,.working-method small{font-size:var(--text-xs);line-height:1.65}
.scene-controls button,.instrument-caption,.sheet-heading,.drawing-head,.paper-tab,.form-line,.approval-path b,.atlas-foot,.production-notes b,.production-notes p,.production-note-bottom,.hardware-note,.rack-blade>span{font-size:var(--text-sm);line-height:1.7}
.opening-bottom{font-size:var(--text-xs)}
.scene-controls button{padding:17px 14px;min-height:58px}
.scene-controls small{margin-right:7px}
.instrument-caption{align-items:flex-start;bottom:80px}
.brand-instrument{height:480px}
.brand-instrument canvas{height:calc(100% - 180px);bottom:128px}
.instrument-top{top:22px}
.product-directory a{padding-block:22px}
.paper-form{width:90%;margin-right:0}
.form-line{flex-wrap:wrap;gap:8px 18px}
.form-line small,.approval-path small,.process-connector span{font-size:var(--text-xs);line-height:1.6}
.approval-path>div{padding:22px 12px}
.approval-path i{right:10px;top:18px}
.approval-path b{padding-right:8px}
.knowledge-atlas svg{height:340px}
.atlas-node text,.atlas-core text{font-size:17px}
.atlas-node .atlas-small,.atlas-core .atlas-small{font-size:13px}
.lecture-frame{aspect-ratio:auto;min-height:350px}
.lecture-copy{padding:30px 24px 76px;width:75%}
.lecture-copy p{font-size:var(--text-sm);max-width:none}
.lecture-copy>small,.lecture-diagram,.lecture-subtitle,.speaker-outline>span,.video-timeline>div>span,.video-board-top{font-size:var(--text-xs);line-height:1.65}
.lecture-subtitle{padding:10px 14px;min-height:42px}
.speaker-outline{bottom:48px}
.speaker-outline>span{letter-spacing:0}
.production-notes p{margin-top:8px}
.production-note-bottom>span{font-size:var(--text-xs);line-height:1.7}
.client-tile{height:auto;min-height:178px;padding:24px 12px 20px}
.client-tile img{height:64px;flex-shrink:0}
.client-tile figcaption{font-size:var(--text-xs);line-height:1.65;min-height:3.3em;margin-top:16px}
.footer-col a{padding-block:5px;overflow-wrap:anywhere}
.footer-col h3{margin-bottom:12px}
.footer-col .footer-phone{font-size:22px}
.footer-brand>span{font-size:var(--text-sm)}
.footer-bottom{line-height:1.8}
.dialog{max-width:640px}
.dialog>p,.dialog label,.dialog .contact-consent,.contact-status,.direct-contact,.direct-contact button{font-size:var(--text-sm);line-height:1.7}
.dialog input,.dialog select,.dialog textarea{font-size:var(--text-base);line-height:1.6;padding:12px}
.direct-contact a>b{font-size:18px}
.contact-fields{gap:16px}
.contact-method-fields{grid-template-columns:112px minmax(0,1fr)}
.dialog .contact-consent input{width:18px;height:18px;margin-top:3px}
.dialog .contact-consent{gap:10px}
@media(max-width:1100px){
 .product-story,.knowledge-story{gap:6%}
 .footer-main{grid-template-columns:1.2fr 1fr;gap:36px}
}
@media(max-width:1000px){
 .header,.header.scrolled{height:76px}
 .header{gap:18px}
 .header-contact{margin-left:auto}
 .menu-button{display:flex;flex-direction:column;justify-content:center;gap:5px;width:28px;height:44px;padding:0;flex-shrink:0}
 .menu-button span{height:1px;width:22px;background:var(--ink)}
 .menu-button[aria-expanded=true] span:first-child{transform:translateY(3px) rotate(45deg)}
 .menu-button[aria-expanded=true] span:last-child{transform:translateY(-3px) rotate(-45deg)}
 .nav{display:none;position:absolute;top:100%;left:0;right:0;padding:18px var(--gutter) 25px;background:var(--surface);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0}
 .nav.open{display:flex}
 .nav a{padding:15px 0;font-size:var(--text-base);border-bottom:1px solid var(--line)}
 .nav a:after{display:none}
 .product-story,.knowledge-story{grid-template-columns:1fr;gap:30px;max-width:720px;margin-inline:auto}
 .knowledge-story .story-copy{order:-1}
 .courseware-composition{grid-template-columns:1fr}
 .courseware-title{grid-template-columns:1fr auto}
 .courseware-title>p{grid-row:2;max-width:520px}
 .courseware-title .product-entry-links{grid-row:1 / span 2;grid-column:2}
 .compute-layout{grid-template-columns:1fr;gap:38px}
 .hardware-drawing{border-left:0;padding-left:0}
 .process-sheet{min-height:0;padding:26px}
}
@media(max-width:600px){
 .header,.header.scrolled{height:76px}
 .header{gap:12px}
 .header-contact{font-size:var(--text-sm);padding:10px 12px;gap:8px;min-height:44px}
 .header-contact span{font-size:18px}
 .opening-note{flex-wrap:wrap;gap:6px 16px}
 .opening-note>span:last-child{font-size:var(--text-xs)}
 .opening-copy>p{font-size:var(--text-base)}
 .opening-copy h1{font-size:clamp(26px,7.5vw,30px);line-height:1.6}
 .brand-instrument{height:390px}
 .instrument-top,.instrument-top>span:first-child{font-size:var(--text-xs)}
 .instrument-top{left:16px;right:16px}
 .instrument-caption{font-size:var(--text-sm);left:16px;right:16px;bottom:80px}
 .scene-controls button{font-size:var(--text-sm);padding:16px 6px;text-align:center;min-height:58px}
 .scene-controls small{display:none}
 .product-directory{grid-template-columns:repeat(2,minmax(0,1fr))}
 .product-directory a{font-size:var(--text-sm);gap:8px;padding:18px 10px}
 .product-directory a:nth-child(odd){padding-left:0;border-left:0}
 .product-directory a:nth-child(n+3){border-top:1px solid var(--line)}
 .product-directory span{font-size:var(--text-xs)}
 .folio small{font-size:var(--text-xs)}
 .courseware-title{grid-template-columns:1fr;gap:18px}
 .courseware-title>p,.courseware-title .product-entry-links{grid-row:auto;grid-column:auto}
 .courseware-title .product-entry-links{flex-direction:row;align-items:center;gap:12px}
 .paper-form{width:100%;padding:18px;margin-top:22px}
 .process-sheet{padding:20px}
 .approval-path{grid-template-columns:1fr}
 .approval-path>div{padding:16px 14px;display:grid;grid-template-columns:24px 1fr;gap:5px 12px}
 .approval-path>div+div{border-left:0;border-top:1px solid var(--tone-line)}
 .approval-path span{grid-row:1 / 3;padding-top:3px}
 .approval-path b{margin:0;padding-right:20px}
 .approval-path small{margin:0;grid-column:2}
 .approval-path i{right:15px}
 .knowledge-atlas{margin-inline:-18px}
 .knowledge-atlas svg{height:270px}
 .atlas-node text,.atlas-core text{font-size:24px;dominant-baseline:middle;transform:translateY(5px)}
 .atlas-node .atlas-small,.atlas-core .atlas-small{display:none}
 .atlas-foot{flex-wrap:wrap;gap:10px;font-size:var(--text-sm)}
 .lecture-frame{min-height:330px}
 .lecture-copy{width:76%;padding:24px 16px 75px}
 .lecture-copy h4{font-size:24px}
 .lecture-copy>small{font-size:var(--text-xs)}
 .lecture-copy p{font-size:var(--text-sm);max-width:170px}
 .lecture-diagram{gap:6px;flex-wrap:wrap;max-width:170px}
 .lecture-diagram>span{padding:5px 7px}
 .speaker-outline{width:29%;right:2%;bottom:60px}
 .speaker-outline>span{display:none}
 .lecture-subtitle{font-size:var(--text-xs);padding:10px 12px;line-height:1.7}
 .video-timeline>div>span{font-size:var(--text-xs)}
 .video-timeline{gap:10px;flex-wrap:wrap}
 .production-notes b,.production-notes p,.production-note-bottom{font-size:var(--text-sm)}
 .hardware-caption{font-size:var(--text-xs)}
 .rack-blade{gap:12px;padding:20px 12px}
 .rack-blade>span{font-size:var(--text-sm)}
 .rack-blade>div{gap:4px}
 .rack-blade>em{margin-left:0}
 .rack-foundation{font-size:var(--text-xs);gap:8px;flex-wrap:wrap}
 .client-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
 .client-tile{min-height:170px;padding:22px 10px 18px}
 .client-tile img{height:60px}
 .client-tile figcaption{font-size:var(--text-xs)}
 .client-toolbar>div{gap:10px;flex-wrap:wrap;justify-content:flex-start}
 .client-filter{font-size:var(--text-sm);padding:10px 0;margin-right:12px}
 .industry-content{padding-left:0}
 .working-method{grid-template-columns:1fr;gap:15px}
 .working-method>div{display:grid;grid-template-columns:80px 1fr;gap:12px}
 .working-method span{margin-top:0;font-size:var(--text-sm)}
 .working-method small{font-size:var(--text-xs)}
 .footer-col a,.footer-col p,.footer-col h3,.footer-brand p{font-size:var(--text-sm)}
 .footer-bottom{font-size:var(--text-xs);flex-wrap:wrap}
 .dialog{padding:28px 22px}
 .dialog input,.dialog select,.dialog textarea{font-size:var(--text-base)}
 .contact-fields{grid-template-columns:1fr;gap:16px}
 .contact-method-fields{grid-template-columns:100px minmax(0,1fr)}
 .dialog .contact-consent{font-size:var(--text-sm)}
 .direct-contact{gap:16px;flex-wrap:wrap}
 .direct-contact button{font-size:var(--text-sm);min-height:44px}
 .platform-entry,.platform-intro{font-size:var(--text-sm)}
}
@media(max-width:380px){
 .header{padding-inline:16px;gap:10px}
 .header .brand{gap:8px}
 .header .brand img{width:30px;height:30px}
 .header .brand>span{font-size:16px}
 .menu-button{width:24px}
 .atlas-node text,.atlas-core text{font-size:28px}
 .instrument-top{font-size:var(--text-xs);letter-spacing:0}
}
.brand small{font-size:var(--text-xs);letter-spacing:.4px}
@media(min-width:1001px) and (max-width:1200px){
 .knowledge-story{grid-template-columns:1fr;gap:30px;max-width:720px;margin-inline:auto}
 .knowledge-story .story-copy{order:-1}
}

/* Compact actions: keep labels readable without oversized vertical padding. */
:root{--action-width:136px;--action-height:40px;--action-padding:12px;--action-gap:8px}
.button,.platform-intro,.header-contact{
 display:inline-flex;align-items:center;justify-content:space-between;
 width:var(--action-width);height:var(--action-height);min-height:var(--action-height);
 padding:0 var(--action-padding);gap:var(--action-gap);flex-shrink:0;
 font-size:var(--text-sm);line-height:1.25;white-space:nowrap;
}
.button>span,.platform-intro>span,.header-contact>span{font-size:16px;line-height:1}
@media(max-width:600px){
 :root{--action-width:128px;--action-height:44px;--action-padding:8px;--action-gap:6px}
}