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/* The handover chapter turns the engineering promise into concrete project work. */
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.delivery-list p{font-size:15px;line-height:1.65;color:#ebdef7;max-width:440px;margin:12px 0 0}
.delivery-list b{color:#e2c7ff;font-size:20px;font-weight:400}
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/* The two editorial chapters use the same visual language as the landing page. */
.editorial-hero{overflow:hidden;position:relative;padding:clamp(105px,11vw,180px) 0 clamp(100px,11vw,180px)}
.editorial-hero .section-number{color:#d4abff}.editorial-hero h1{font:800 clamp(58px,7.7vw,122px)/.96 Arial,"Segoe UI",sans-serif;letter-spacing:-.084em;margin:27px 0 35px;max-width:1120px;text-wrap:balance}
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.editorial-down:hover{color:#d7acff}
.service-hero{background:radial-gradient(circle at 76% 47%,#482373,transparent 42%),#100d19;color:#fff}
.editorial-hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(370px,.9fr);align-items:center;gap:40px}
.core-diagram{min-height:540px;position:relative;display:grid;place-items:center}
.core-diagram-ring{width:min(39vw,480px);height:min(39vw,480px);border:1px solid #caa1ff8c;border-radius:50%;position:relative;background:radial-gradient(circle at center,#ad63ef38 0,#271339 34%,transparent 57%);box-shadow:0 0 130px #8a4dde42, inset 0 0 100px #9152c221}
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@media(max-width:970px){.editorial-hero-grid{grid-template-columns:1fr}.core-diagram{min-height:490px}.core-diagram-ring{width:400px;height:400px}.chapter-heading,.split-chapter{grid-template-columns:1fr;gap:30px}.chapter-heading .section-number{grid-row:auto}.chapter-heading p{grid-column:auto}.choices-grid{gap:20px}.method-rail,.science-cycle ol{grid-template-columns:repeat(2,1fr)}.method-rail article:nth-child(3),.science-cycle li:nth-child(3){border-left:0;padding-left:0;border-top:1px solid #ada4b1}.method-rail article:nth-child(4),.science-cycle li:nth-child(4){border-top:1px solid #ada4b1}}
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.service-hero{padding-block:clamp(65px,7vw,105px)}.service-hero .editorial-hero-grid{align-items:start}.service-hero h1{font-size:clamp(58px,6vw,88px)}.service-hero .core-diagram{min-height:480px}
@media(max-width:680px){.service-hero{padding-block:85px 95px}.service-hero h1{font-size:clamp(53px,12vw,76px)}.service-hero .core-diagram{min-height:355px}}

.decision-record{background:#120d1d;color:#fff}.decision-record .section-number{color:#c9a2ff}.decision-record-head{display:grid;grid-template-columns:1fr 360px;gap:8%;align-items:end;margin:26px 0 75px}.decision-record-head h2{max-width:870px}.decision-record-head p{font-size:17px;line-height:1.7;color:#cbbfd7;margin:0}
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.science-example{background:#eadbea}.science-example-layout{display:grid;grid-template-columns:24% 1fr;gap:6%}.science-example h2{max-width:900px}.science-example p{font-size:21px;line-height:1.75;color:#47384f;max-width:780px;margin:42px 0 45px}.science-example small{display:block;border-top:1px solid #b9a4bf;padding-top:16px;color:#68576d;font:700 11px/1.5 Consolas,"Courier New",monospace;letter-spacing:.04em}
@media(max-width:970px){.decision-record-head{grid-template-columns:1fr;gap:28px}.science-example-layout{grid-template-columns:1fr;gap:30px}}
@media(max-width:680px){.decision-record-head{margin-bottom:50px}.decision-record-head p{font-size:16px}.decision-table-heading{display:none}.decision-table-row{grid-template-columns:1fr;gap:10px;padding:23px 0}.decision-table-row strong{font-size:29px}.decision-table-row p{font-size:15px;padding:0;margin:0}.decision-table-row p:nth-child(2):before,.decision-table-row p:nth-child(3):before{display:block;margin:8px 0 5px;font:700 10px Consolas,"Courier New",monospace;color:#cda7fb;letter-spacing:.1em}.decision-table-row p:nth-child(2):before{content:"SHARED / GEMEINSAM"}.decision-table-row p:nth-child(3):before{content:"PLATFORM / PLATTFORM"}.science-example p{font-size:17px;margin:28px 0 32px}}
@media(max-width:680px){.decision-table-row p:nth-child(2):before,.decision-table-row p:nth-child(3):before{content:attr(data-label)}}

/* Progressive enhancement: the complete platform study also works without JS. */
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.experience:not(.tabs-ready) .demo-panel+.demo-panel{border-top:1px solid #ffffff35}
.demo-panel:focus-visible{outline:3px solid #c999ff;outline-offset:-6px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline-color:#6f3cff}
.site-header a:focus-visible,.site-header summary:focus-visible,.site-footer a:focus-visible,.experience button:focus-visible,.science a:focus-visible,.architecture a:focus-visible{outline-color:#c999ff}
.mobile-menu[open] summary span:first-child{transform:translateY(4.5px) rotate(45deg)}
.mobile-menu[open] summary span:last-child{transform:translateY(-4.5px) rotate(-45deg)}
.error-page .eyebrow{display:block;margin:35px 0 0;color:#c3a4e9}.error-page>a:first-child{background:none;padding:0;margin:0}.error-page .error-secondary,.error-page .error-language{display:block;width:fit-content;background:none;padding:0;color:#d4c8e0;margin:24px 0 0;font-size:14px;font-weight:650}.error-page .error-language{margin-top:45px;color:#c3a4e9}.error-secondary:hover,.error-language:hover{text-decoration:underline}
@media(max-width:680px){.decision-table-heading{display:grid;position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}}
.legal-reading-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:8%;align-items:start}.legal-reading-layout .legal-copy{margin:0;max-width:78ch}.legal-copy h2[id]{scroll-margin-top:35px}.legal-toc{position:sticky;top:28px;max-height:calc(100vh - 56px);overflow:auto;border-top:1px solid var(--line);padding-top:24px}.legal-toc>strong{font-size:14px;display:block;margin-bottom:17px}.legal-toc ul,.legal-toc-mobile ul{list-style:none;padding:0;margin:0}.legal-toc li+li{margin-top:4px}.legal-toc a{display:block;font-size:13px;line-height:1.5;color:#62536f;padding:7px 0}.legal-toc a:hover,.legal-toc-mobile a:hover{color:#5526bd;text-decoration:underline;text-underline-offset:4px}.legal-toc-mobile{display:none}
@media(max-width:970px){.legal-reading-layout{display:block}.legal-toc{display:none}.legal-toc-mobile{display:block;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:30px}.legal-toc-mobile summary{padding:18px 0;display:flex;justify-content:space-between;font-size:15px;font-weight:700;cursor:pointer;list-style:none}.legal-toc-mobile summary::-webkit-details-marker{display:none}.legal-toc-mobile[open] summary span{transform:rotate(45deg)}.legal-toc-mobile nav{padding-bottom:20px}.legal-toc-mobile a{display:block;padding:10px 0;font-size:14px;line-height:1.5;color:#62536f}.legal-reading-layout .legal-copy{max-width:none;border-top:0;padding-top:0}}
@media print{.legal-toc,.legal-toc-mobile{display:none}.legal-reading-layout{display:block}.legal-copy{max-width:none}}

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::selection{background:#6f3cff;color:#fff}
.brand{flex-shrink:0;gap:0}.brand .brand-wordmark{width:238px;height:auto;object-fit:contain}.footer-logo .brand-wordmark{width:330px;height:auto;max-width:100%}
.nav-frame{gap:30px}.desktop-nav{gap:28px}.nav-actions{gap:14px;flex-shrink:0}
.language-control{display:flex;align-items:center;padding:4px;gap:2px;border:1px solid #ffffff24;border-radius:13px;background:#ffffff05;box-shadow:inset 0 1px 0 #ffffff0c}
.language-control .language-current,.language-control .lang-switch{display:grid;place-items:center;min-width:38px;min-height:36px;border-radius:9px;font:650 11px/1 "Segoe UI",Arial,sans-serif;letter-spacing:.04em}
.language-current{color:#fff;background:#8054b44a;box-shadow:inset 0 1px 0 #ffffff18}.language-control .lang-switch{color:#d5cbdc;transition:background .18s,color .18s}.language-control .lang-switch:hover{color:#fff;background:#ffffff13}
.nav-cta,.button-white,.button-dark{position:relative;isolation:isolate;border:1px solid var(--glass-line);border-radius:14px;background:linear-gradient(145deg,#ffffff0f,transparent 60%),var(--glass-solid);color:#fff;box-shadow:0 10px 28px #05030b26,inset 0 1px 0 #ffffff16;transition:background .2s,border-color .2s,transform .2s,box-shadow .2s}
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.button{min-height:60px;padding:12px 13px 12px 22px;gap:28px;font-weight:650;letter-spacing:.005em}
.ui-icon{width:17px;height:17px;display:block;flex-shrink:0;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.button .button-icon,.nav-cta .button-icon{display:grid;place-items:center;width:34px;height:34px;flex-shrink:0;border-radius:10px;background:#ffffff0b;border:1px solid #ffffff13;color:#e7d4ff;transition:background .2s,transform .2s}
.nav-cta .button-icon{width:30px;height:30px;border-radius:9px}
.nav-cta:hover,.button-white:hover,.button-dark:hover{background:linear-gradient(145deg,#ffffff18,transparent 60%),#46305c;border-color:#d5b2ff88;box-shadow:0 12px 32px #05030b38,inset 0 1px 0 #ffffff25;transform:translateY(-2px)}
.nav-cta:hover .button-icon,.button:hover .button-icon{background:#b483ec26;transform:translate(1px,-1px)}
.nav-cta:active,.button:active{transform:translateY(0);box-shadow:inset 0 2px 8px #0003}
.button-dark{background:linear-gradient(145deg,#ffffff08,transparent 60%),#170e25;border-color:#ffffff42}
.button-white:focus-visible,.button-dark:focus-visible{outline-color:#eedcff}
.mobile-menu nav{max-height:calc(100svh - 96px);overflow-y:auto;border-radius:16px;background:#21152ff5;border-color:#dac0ff40;box-shadow:0 24px 54px #0008,inset 0 1px 0 #ffffff0e}.mobile-menu nav .mobile-project{display:flex;justify-content:space-between;align-items:center;border:0;color:#e7cfff;margin-top:8px}
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@media(max-width:1200px){.desktop-nav{display:none}.mobile-menu{display:block;position:relative}.mobile-menu summary{width:40px;height:40px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:7px;cursor:pointer;list-style:none}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary span{height:2px;width:24px;background:#fff}.mobile-menu nav{position:absolute;right:0;top:54px;width:min(360px,calc(100vw - 58px));display:flex;flex-direction:column;padding:17px 22px}.mobile-menu nav a{font-size:16px;font-weight:650;border-bottom:1px solid #ffffff22;padding:12px 0}.nav-frame{gap:16px}.nav-actions{margin-left:auto}}
@media(max-width:680px){.brand .brand-wordmark{width:170px}.footer-logo .brand-wordmark{width:280px}.nav-frame{gap:9px}.nav-actions{gap:0;margin-left:auto}.language-control{padding:3px;border-radius:12px}.language-control .language-current,.language-control .lang-switch{min-width:31px;min-height:34px;font-size:10px}.mobile-menu summary{width:36px}.mobile-menu nav{right:0;width:calc(100vw - 38px)}.button{max-width:100%;gap:18px;padding-left:18px}.button .button-icon{width:32px;height:32px}}
@media(max-width:360px){.brand .brand-wordmark{width:145px}.nav-frame{gap:5px}.language-control .language-current,.language-control .lang-switch{min-width:28px}}
@media(forced-colors:active){.language-control,.language-current,.nav-cta,.button-white,.button-dark{background:Canvas;color:CanvasText;border-color:ButtonText;box-shadow:none;backdrop-filter:none}.button-icon{border-color:ButtonText!important;color:CanvasText!important}}

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.engineering-checks{background:#ede6f2}.engineering-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:8%;align-items:start}.engineering-intro h2{margin:25px 0 26px;font-size:clamp(45px,5vw,76px)}.engineering-intro>p{color:#56465f;font-size:17px;line-height:1.75;max-width:440px}.engineering-list{border-top:1px solid #b3a1be}.engineering-list article{padding:29px 0 32px;border-bottom:1px solid #b3a1be}.engineering-list h3{font-size:26px;font-weight:650;line-height:1.2;margin-bottom:15px}.engineering-list p{margin:0;font-size:16px;line-height:1.75;color:#56465f;max-width:650px}
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/* The homepage follows one fictional task through four platforms. */
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.product-contexts{background:#fff;padding-block:90px 110px}.context-heading{display:grid;grid-template-columns:1.2fr .8fr;gap:28px 8%;align-items:end}.context-heading .section-number{grid-column:1/-1}.context-heading h2{font-size:clamp(42px,4.3vw,65px)}.context-heading p{font-size:17px;line-height:1.75;color:var(--muted);margin:0}.context-rows{margin-top:65px;border-top:1px solid var(--line)}.context-rows article{display:grid;grid-template-columns:.7fr 1fr 1.2fr;gap:6%;padding:34px 0;border-bottom:1px solid var(--line);align-items:start}.context-name{font-size:14px;font-weight:650;color:#6d427d;padding-top:5px}.context-rows h3{font-size:clamp(24px,2.3vw,33px);line-height:1.18;letter-spacing:-.03em}.context-rows p{font-size:16px;line-height:1.75;color:#5e5765;margin:0}.context-heading>*,.context-rows article>*{min-width:0}
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@media(max-width:1100px){.landing .experience{grid-template-columns:195px minmax(0,1fr)}.landing .demo-panel{grid-template-columns:minmax(0,1fr);padding:35px;gap:30px}.landing .demo-panel-copy{max-width:650px}.landing .demo-panel-copy h3{font-size:35px}.landing .demo-panel-copy p{max-width:none;margin-bottom:0}.product-study{width:100%;max-width:530px;justify-self:center}.study-1,.study-2{width:280px}.context-rows article{grid-template-columns:.7fr 1.3fr;gap:17px 6%}.context-rows p{grid-column:2}.evidence-loop ol{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 8%}.evidence-loop li:nth-child(2):after{display:none}}
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@media print{.product-study,.system-map,.evidence-loop{box-shadow:none;background:#fff!important;color:#111!important;break-inside:avoid}.study-chrome,.system-core,.system-platforms>span{background:#eee!important;color:#111!important}.architecture-details p,.system-map>p,.evidence-loop li p{color:#333!important}.landing .science{background:#fff!important;color:#111!important}.study-1,.study-2{border-color:#555}}
.system-branches{position:relative;margin-inline:0;gap:4%;border-bottom:0}.system-branches:before{content:'';position:absolute;left:11%;right:11%;bottom:0;border-bottom:1px solid #b891d4}.evidence-loop li:before{display:none}
.study-assignment{display:flex;align-items:center;justify-content:space-between;gap:12px;font:650 10px/1.5 Consolas,monospace;color:#7e6a89;margin:-7px 0 23px}.study-assignment strong{font:650 12px/1.5 'Segoe UI',Arial,sans-serif;color:#4d355e}
@media(max-width:970px){.engineering-layout{grid-template-columns:1fr;gap:38px}.engineering-intro>p{max-width:650px}}
@media(max-width:680px){.engineering-intro h2{font-size:clamp(43px,11vw,60px)}.engineering-intro>p,.engineering-list p{font-size:16px}.engineering-list h3{font-size:25px}.hero h1{letter-spacing:-.05em}}
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/* A compact chapter rail keeps the long product story easy to navigate. */
.chapter-navigation{position:sticky;top:0;z-index:20;background:#f6f3eff5;border-block:1px solid #d8d1d7;box-shadow:0 5px 18px #24162f08}.chapter-navigation>.frame{display:flex;align-items:center;gap:30px}.chapter-navigation>.frame>span{font-size:12px;color:#76677e;white-space:nowrap}.chapter-navigation>.frame>div{display:flex;align-items:center;gap:25px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}.chapter-navigation>.frame>div::-webkit-scrollbar{display:none}.chapter-navigation a{display:inline-flex;align-items:center;gap:16px;min-height:58px;font-size:13px;font-weight:650;white-space:nowrap;flex-shrink:0;text-underline-offset:7px}.chapter-navigation a:hover{color:#6930be;text-decoration:underline}.chapter-navigation a:focus-visible{outline-offset:-5px}.chapter-navigation .chapter-contact{color:#683099}.landing main>[id],.landing main :is(a,button,summary){scroll-margin-top:85px}
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.landing section.section-pad{padding-block:clamp(78px,8vw,124px)}.landing .product-contexts{padding-block:85px 95px}.landing .thesis-grid h2{font-size:clamp(45px,4.7vw,70px)}.landing .section-heading h2,.landing .architecture-head h2{font-size:clamp(45px,5vw,74px)}.landing .section-heading,.landing .architecture-head{margin-bottom:54px}.landing .delivery-intro h2{font-size:clamp(44px,4.4vw,67px)}.landing .hero-body{line-height:1.65}
.platform-context{margin:25px 0 0;border-top:1px solid #a28bb54d;padding-top:16px}.platform-context>div+div{margin-top:12px}.platform-context dt{font-size:12px;color:#ae96c5;margin-bottom:4px}.platform-context dd{font-size:14px;line-height:1.5;color:#ede3f6;margin:0}
.landing .science-layout>div:last-child{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:32px 8%;align-items:start}.landing .science-layout h2{grid-column:1/-1;font-size:clamp(45px,5vw,74px);max-width:1050px}.landing .science-layout>div:last-child>p{margin:0;font-size:18px;line-height:1.8}.landing .science-layout ul{grid-column:2;border-top:0;margin:0}.landing .science-layout ul li:first-child{border-top:1px solid #ffffff40}.landing .science-layout ul li{font-size:15px;line-height:1.7;padding-block:17px}.landing .science-layout .chapter-link{grid-column:1;justify-self:start;margin-top:0}.landing .evidence-loop{margin-top:50px}
@media(max-width:970px){.chapter-navigation>.frame>span,.chapter-navigation .chapter-contact{display:none}.chapter-navigation>.frame>div{gap:24px}.landing .science-layout>div:last-child{grid-template-columns:minmax(0,1fr);gap:27px}.landing .science-layout ul{grid-column:1}.landing .science-layout h2{grid-column:1}.landing .science-layout>div:last-child>p{max-width:760px}}
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@media(max-width:970px){.landing .faq-layout{gap:0}.landing .faq-list{margin-top:40px}}
@media(max-width:680px){.chapter-navigation>.frame>div{gap:12px}}
@media(forced-colors:active){.chapter-navigation{background:Canvas;border-color:CanvasText;box-shadow:none;backdrop-filter:none}.chapter-navigation a,.chapter-navigation .chapter-contact{color:LinkText}.chapter-navigation>.frame>div{scrollbar-width:auto}.chapter-navigation>.frame>div::-webkit-scrollbar{display:block}}
@media print{.chapter-navigation{display:none}.landing main>[id]{scroll-margin:0}.platform-context dt,.platform-context dd{color:#222}.landing .science-layout>div:last-child{display:block}.landing .science-layout ul{margin-top:20px}}

/* Deepburg's original dark palette and serif display, with a shared layout grid. */
:root {
  --night:#05040a; --paper:#05040a; --soft:#09070f; --surface:#100d18;
  --ink:#f4f0f7; --muted:#b1a8bd; --line:#2c2438; --iris:#c286ff;
  --violet:#c286ff; --primary:#8438f6; --max:1240px;
  --display-font:Georgia,"Times New Roman",serif;
  --glass-solid:#251638; --glass-fill:#352049b3; --glass-hover:#4c2b6bbf;
  --glass-line:#ba83ef66; color-scheme:dark;
}
html {scrollbar-color:#544361 var(--night)}
body {background:var(--night);color:var(--ink);font-family:"Segoe UI","Helvetica Neue",Arial,sans-serif}
.sr-only {position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.frame {width:min(calc(100% - 96px),var(--max))}
body h2 {font:400 clamp(36px,4.2vw,56px)/1.12 var(--display-font);letter-spacing:-.045em}
body h3 {font-family:"Segoe UI","Helvetica Neue",Arial,sans-serif;font-weight:650;letter-spacing:-.025em}
body h1,.editorial-hero h1,.legal-main h1 {font-family:var(--display-font);font-weight:400;letter-spacing:-.05em}
.section-number,.eyebrow.light {color:var(--iris);font-size:10px;letter-spacing:.15em;font-weight:600}
.section-pad,.landing section.section-pad {padding-block:96px}
.site-header {background:#05040af5;border-color:#21192d}
.nav-frame {height:88px;gap:24px}
.brand,.footer-logo {display:flex;align-items:center;gap:12px}
.brand .brand-symbol,.footer-logo .brand-symbol {width:48px;height:48px;object-fit:contain}
.brand .brand-type,.footer-logo .brand-type {font:inherit;letter-spacing:normal}
.brand-type strong,.footer-logo .brand-type strong {display:block;font:800 20px/1.2 "Segoe UI",Arial,sans-serif;letter-spacing:.17em}
.brand .brand-type small,.footer-logo .brand-type small {display:block;margin-top:3px;font:500 8px/1.4 "Segoe UI",Arial,sans-serif;letter-spacing:.32em;color:var(--muted)}
.desktop-nav {gap:25px}
.desktop-nav a {font-size:12px;font-weight:600;position:relative;padding-block:14px}
.desktop-nav a[aria-current="page"] {color:var(--iris)}
.desktop-nav a[aria-current="page"]:after {content:"";position:absolute;inset:auto 0 4px;height:2px;background:currentColor;border-radius:2px}
.mobile-menu nav a[aria-current="page"] {color:var(--iris);border-left:2px solid currentColor;padding-left:14px}
.nav-actions {gap:12px}
.nav-cta {border-radius:50px;font-size:12px;min-height:44px;padding:7px 8px 7px 16px;gap:13px}
.nav-cta .button-icon {border-radius:50%;width:28px;height:28px}
.language-control {padding:3px;border-radius:50px;background:var(--surface);border-color:var(--line)}
.language-control .language-current,.language-control .lang-switch {min-width:32px;min-height:32px;border-radius:50%;font-size:10px}
.language-current {background:#342144}
.mobile-menu nav {background:#100d18f5;border-color:#3c2b50}
.button {min-height:56px;border-radius:50px;padding:11px 13px 11px 22px;font-size:13px;gap:22px}
.button .button-icon {border-radius:50%;width:30px;height:30px}
.button-dark {background:linear-gradient(135deg,#a04bfd26,transparent),var(--glass-solid)}
.button-white,.button-dark,.nav-cta {box-shadow:inset 0 1px 0 #ffffff12,0 8px 28px #0003}
.skip-link {background:var(--ink);color:var(--night)}
a:focus-visible,button:focus-visible,summary:focus-visible {outline-color:var(--iris)}

/* Opening: the original wave stays on the right, away from the copy. */
.landing .hero {background:var(--night);min-height:660px}
.landing .hero-image {background-image:url('/assets/hero-wave.webp');background-position:right center;background-size:auto 100%;opacity:.85}
.landing .hero:after {background:linear-gradient(90deg,#05040a 0%,#05040aee 35%,#05040a66 66%,transparent 90%),linear-gradient(0deg,#05040a,transparent 25%)}
.landing .hero-layout {min-height:590px;padding-block:100px 78px;align-items:center}
.landing .hero-copy {max-width:660px}
.landing .hero h1 {font:400 clamp(64px,6.8vw,94px)/1.01 var(--display-font);letter-spacing:-.055em;text-wrap:initial;margin:29px 0 32px}
.landing .hero h1 em {color:#ac62ff;font-style:normal}
.landing .hero-body {font-size:17px;line-height:1.8;color:#bcb3c7;max-width:580px}
.landing .hero-actions {margin-top:34px;gap:25px}
.landing .quiet-link {font-size:12px;color:#e6dced;border-color:#756088;font-weight:600;gap:17px}
.landing .hero-foot {border-color:var(--line);padding-block:17px 21px;color:#a993b8;font-size:10px;letter-spacing:.12em}
.chapter-navigation {background:#09070ff2;border-color:var(--line);box-shadow:0 5px 18px #0002;color:#c4b9d0;backdrop-filter:blur(18px)}
.chapter-navigation>.frame {gap:24px}
.chapter-navigation>.frame>span {color:#9686a5;font-size:11px}
.chapter-navigation a {font-size:12px;min-height:54px;font-weight:600}
.chapter-navigation a:hover,.chapter-navigation .chapter-contact {color:var(--iris)}
.chapter-navigation a {position:relative}
.chapter-navigation a[aria-current="location"] {color:#ebd5ff}
.chapter-navigation a[aria-current="location"]:after {content:"";height:2px;background:var(--iris);position:absolute;inset:auto 0 0;border-radius:2px}
.landing main>[id],.landing main :is(a,button,summary) {scroll-margin-top:76px}
.editorial-page main>[id],.editorial-page main :is(a,button,summary) {scroll-margin-top:76px}
.expertise-navigation>.frame>div {flex:none;gap:36px}

/* Introductory chapters share one heading and text alignment. */
.thesis,.product-contexts,.platforms,.architecture,.process,.delivery,.faq {background:var(--night)}
.product-contexts,.architecture,.process {background:var(--soft)}
.thesis,.product-contexts,.platforms,.architecture,.delivery,.process,.science,.faq {border-bottom:1px solid #21192d}
.landing :is(.thesis-grid,.section-heading,.context-heading,.architecture-head,.delivery-intro,.process-intro,.science-layout,.faq-layout) h2 {font-size:clamp(36px,4.2vw,56px);max-width:680px}
.thesis>.frame>.section-number {margin-bottom:28px}
.thesis-grid {grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:72px;align-items:start}
.thesis-grid>div:last-child>p {margin:0;color:var(--muted);font-size:17px;line-height:1.8;max-width:none}
.thesis-keywords {margin-top:29px;padding-top:20px;gap:14px 20px;color:#b49cc7;font-size:9px;letter-spacing:.05em}
.section-heading,.context-heading,.architecture-head,.delivery-intro {display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:24px 72px;align-items:start;margin-bottom:42px}
.section-heading .section-number,.context-heading .section-number,.architecture-head .section-number,.delivery-intro .section-number {grid-column:1/-1}
.section-heading p,.context-heading p,.architecture-head p,.delivery-intro>p {color:var(--muted);font-size:16px;line-height:1.8;margin:0;max-width:none}
.context-rows {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:42px;border:0}
.context-rows article {display:flex;flex-direction:column;gap:0;background:linear-gradient(145deg,#1c122433,transparent 70%),#0b0811;border:1px solid var(--line);border-radius:12px;padding:29px;min-width:0}
.context-name {font-size:11px;color:var(--iris);padding:0;min-height:34px;font-weight:500}
.context-rows h3 {font-size:23px;line-height:1.25;min-height:86px;margin:12px 0 17px;max-width:300px}
.context-rows p {color:var(--muted);font-size:15px;line-height:1.8;margin:0}
.context-focus {padding-top:19px;margin-top:auto;border-top:1px solid var(--line)}
.context-rows p+.context-focus {margin-top:27px}
.context-focus small {display:block;font-size:10px;color:#9c85af;margin-bottom:7px}
.context-focus span {font-size:12px;line-height:1.65;color:#d6c2e4}

/* A compact horizontal selector and a deliberately composed product stage. */
.landing .experience {display:block;min-height:0;background:var(--surface);border:1px solid #3b2a4d;border-radius:20px;overflow:hidden;box-shadow:0 28px 65px #0003}
.landing .experience-controls {display:grid;grid-template-columns:180px minmax(0,1fr);gap:15px 30px;padding:22px 30px;border-right:0;border-bottom:1px solid var(--line);align-items:center}
.landing .experience-controls .eyebrow {margin:0;font-size:9px;color:#aa8ec3}
.platform-tabs {display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:0;gap:8px}
.platform-tabs button {display:flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:10px!important;text-align:center;border:1px solid transparent;border-radius:10px;background:transparent;color:#bfb3cb;font:600 13px/1.3 "Segoe UI",Arial,sans-serif;letter-spacing:.01em;transition:background .18s,border-color .18s,color .18s}
.platform-symbol {width:22px;height:22px;flex:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.platform-tabs button span {display:none}
.platform-tabs button:hover {background:#251932;color:#f5eefb}
.platform-tabs button[aria-selected="true"] {background:#2c193d;border:1px solid #9463bd88;color:#e4bbff}
.landing .experience-hint {grid-column:1/-1;max-width:none;margin:0;font-size:11px;color:#9988aa;line-height:1.6}
.landing .experience-stage {background:radial-gradient(ellipse at 75% 45%,#47226326,transparent 62%),#100d18}
.landing .demo-panel {grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:48px;padding:42px;min-height:550px;align-items:center}
.landing .demo-panel-copy {align-self:center;max-width:370px}
.landing .demo-panel-copy>span {font-size:10px;color:var(--iris)}
.landing .demo-panel-copy h3 {font-size:32px;line-height:1.2;margin:17px 0 18px;letter-spacing:-.03em;max-width:350px}
.landing .demo-panel-copy p {font-size:15px;color:#bdb0c9;line-height:1.8;max-width:none}
.platform-context {margin:24px 0 0;padding-top:18px;border-color:#3a2d46}
.platform-context dt {color:#a48ab7;font-size:11px}
.platform-context dd {color:#dcd1e7;font-size:13px;line-height:1.55}
.product-study {max-width:620px;width:100%;background:linear-gradient(160deg,#23173066,transparent 38%),#100c18;color:#e9e0f1;border-color:#594069;box-shadow:inset 0 1px 0 #e5c0ff14,0 30px 60px #0006,0 1px 0 #e5c0ff08;justify-self:center}
.study-0,.study-3 {border-radius:14px}
.study-0 .study-chrome:before,.study-3 .study-chrome:before {content:"";width:6px;height:6px;border-radius:50%;background:#a17abb;box-shadow:10px 0 #785492,20px 0 #573e68;flex:none;margin-right:21px}
.study-0 .study-chrome,.study-3 .study-chrome {justify-content:flex-start;gap:12px}
.study-0 .study-chrome>span:last-child,.study-3 .study-chrome>span:last-child {margin-left:auto}
.study-chrome {background:#20142f;color:#cdb6df;border-bottom:1px solid #3c2a4e}
.study-content {padding:24px}
.study-kicker,.study-subtitle,.study-overview>span:nth-child(-n+2) {color:#a58ab9}
.product-study h4 {font-size:29px;font-weight:600;color:#f3ebf8;margin-bottom:19px}
.study-overview,.study-tasks>div,.study-sync,.study-note {border-color:#3a2b47}
.study-overview {padding-block:12px 15px;gap:8px 14px;margin-bottom:19px}
.study-status,.study-sync {color:#d6a6fa}
.study-tasks>div {font-size:13px;padding-block:11px}
.study-tasks small {margin-top:3px}
.study-sync {margin-top:20px}
.study-tasks small,.study-sync small {color:#b69ac9}
.study-check {background:#793daf;border-color:#a767dd}
.study-check.pending {border-color:#79608b}
.product-study figcaption {background:#1e152b;color:#a893b8;border-top:1px solid #3a2b47}
.study-1,.study-2 {width:280px;position:relative;border:6px solid #231b2c;border-radius:35px;outline:1px solid #735785;outline-offset:-1px;padding-top:25px;background:#100c18}
.study-device-sensor {position:absolute;top:10px;left:50%;transform:translateX(-50%);width:58px;height:7px;border-radius:8px;background:#05040a;border:1px solid #42304f}
.study-2 .study-device-sensor {width:7px;height:7px}
.study-1 .study-chrome,.study-2 .study-chrome {background:transparent;padding-block:10px;border-bottom:1px solid #3c2a4e}
.study-1:after,.study-2:after {content:"";display:block;width:68px;height:3px;margin:12px auto 9px;background:#967aaa;border-radius:3px}
.study-1 .study-content,.study-2 .study-content {padding:20px 18px}
.study-1 figcaption,.study-2 figcaption {font-size:9px;line-height:1.5;padding-inline:10px;background:#1a1026}
.study-note,.study-note>span,.study-note strong {color:#c8b1d7}

/* Diagram and explanation occupy the same row rather than two long chapters. */
.architecture-body {display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px;align-items:start}
.system-map {margin:0;padding:32px 27px;background:#100b19;border-color:#493156;border-radius:16px}
.system-map figcaption {font-size:10px;color:#bfa1d4;margin-bottom:28px}
.system-platforms {gap:10px}
.system-platforms>span {font-size:15px;padding:14px 4px;background:#1e132a;border-color:#624375;border-radius:9px}
.system-branches i,.system-branches:before,.system-core:before {border-color:#7e5599}
.system-core {background:linear-gradient(125deg,#4d266629,#241332);border-color:#9b61bf88;padding:27px 13px}
.system-core>span {font-size:9px;color:#c7a4dd}
.system-core strong {font-size:27px}
.system-backend {font-size:13px;color:#c6add7}
.system-map>p {font-size:12px;color:#aa92bb;text-align:left}
.architecture-details {display:block}
.architecture-details article {padding:0 0 21px;border:0}
.architecture-details article+article {padding-top:21px;border-top:1px solid var(--line)}
.architecture-details h3 {font-size:22px;line-height:1.3;margin:0 0 9px}
.architecture-details p {color:var(--muted);font-size:15px;line-height:1.75}
.chapter-link {color:#d6adef;border-color:#774998;font-size:13px;margin-top:32px}

/* Deliverables and sequence each use the geometry their content requires. */
.delivery:before {display:none}
.delivery-layout {display:block}
.delivery-intro h2 {margin:0;max-width:none}
.delivery-list {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 60px;margin:42px 0 0;border:0}
.delivery-list li {display:block;padding:29px 0;background:transparent;border:0;border-top:1px solid #44304e;border-radius:0}
.delivery-list h3 {font:600 23px/1.25 "Segoe UI",Arial,sans-serif;letter-spacing:-.02em}
.delivery-list p {color:var(--muted);font-size:15px;line-height:1.8;margin:14px 0 0;max-width:none}
.process-layout {grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:80px}
.process-intro h2 {margin:25px 0}
.process-intro p,.process-steps p {color:var(--muted);font-size:15px;line-height:1.8}
.process-steps li {grid-template-columns:35px minmax(0,1fr);gap:18px;padding:24px 0}
.process-steps li>span {color:var(--iris);font-size:11px;padding-top:5px}
.landing .process-steps h3 {font-size:23px;line-height:1.3;margin:0 0 11px}
.science {background:#08050f}
.science-wave {opacity:.16}
.science:before {background:linear-gradient(90deg,#08050f 0%,#08050fc9 60%,transparent)}
.landing .science-layout {gap:25px}
.landing .science-layout>div:last-child {grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:30px 72px}
.landing .science-layout h2 {max-width:900px}
.landing .science-layout>div:last-child>p {color:var(--muted);font-size:16px;line-height:1.8}
.landing .science-layout ul li {color:#c9bcd5;font-size:14px;border-color:#33253f}
.evidence-loop {padding:24px 26px;border:1px solid #463051;border-radius:16px;background:#110a1ae8;margin-top:42px}
.evidence-loop figcaption {font-size:10px;color:#bb98d2}
.evidence-loop ol {gap:25px}
.evidence-loop strong {font-size:21px;font-weight:600}
.evidence-loop li p {color:var(--muted);font-size:13px}
.loop-return {font-size:12px;color:#b792cf;margin-top:24px}
.faq-layout {grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:80px}
.landing .faq h2 {max-width:440px;font-size:clamp(36px,4.2vw,56px)}
.landing .faq-list summary {font-size:17px;font-weight:600;line-height:1.5;gap:15px;padding:21px 0;letter-spacing:-.01em}
.faq-list summary span {display:none}
.faq-list summary b {font-size:23px;color:var(--iris)}
.landing .faq-list details p {color:var(--muted);font-size:15px;margin:0 30px 25px 0}

/* The final enquiry is framed, with the preparation guide beside it. */
.final-cta {background:var(--night)}
.enquiry-layout {display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:70px;padding:52px;background:radial-gradient(ellipse at 0 0,#54266a26,transparent 65%),#100b18;border:1px solid #573262;border-radius:22px}
.landing .final-cta h2 {font-size:clamp(36px,4.2vw,56px);max-width:620px;margin:24px 0}
.enquiry-intro>p {color:#c5b5d2;font-size:16px;line-height:1.8;margin:0 0 28px;max-width:520px}
.final-cta small {color:#a991bc;font-size:11px;line-height:1.7;margin-top:20px}
.enquiry-guide {margin:0;padding:0;border:0;align-self:center}
.enquiry-guide>p {font-size:13px;line-height:1.8;color:#c6afda;margin:0 0 25px}
.enquiry-guide dl {grid-template-columns:minmax(0,1fr);gap:19px}
.enquiry-guide dl>div {padding-top:17px;border-top:1px solid #3e284c}
.enquiry-guide dt {font-size:16px;color:#efe3f9;margin-bottom:6px}
.enquiry-guide dd {font-size:13px;line-height:1.8;color:#b8a0ca}
.site-footer {background:var(--night);border-top:1px solid var(--line);padding-block:56px 24px}
.footer-main p {color:var(--muted);max-width:480px;font-size:13px;line-height:1.8}
.footer-email {font-size:17px;font-weight:500;border-color:#795697}
.footer-meta {margin-top:48px;border-color:var(--line);font-family:"Segoe UI",Arial,sans-serif;font-size:11px;letter-spacing:0;color:#8f7e9f;font-weight:500}
.footer-meta>div {gap:22px}

/* The expertise and legal pages use the same dark reading surfaces. */
.editorial-chapter,.science-thesis,.platform-chapter,.science-domains,.engineering-checks,.science-example,.legal-main {background:var(--night);color:var(--ink)}
.platform-chapter,.science-domains,.engineering-checks {background:var(--soft)}
.editorial-hero {padding-block:92px}
.service-hero {background:radial-gradient(ellipse at 80% 45%,#3d1a573d,transparent 55%),var(--night)}
.editorial-hero h1,.service-hero h1 {font:400 clamp(54px,5.6vw,80px)/1.05 var(--display-font);letter-spacing:-.05em}
.editorial-hero p {font-size:17px;color:var(--muted);line-height:1.8;max-width:630px}
.science-editorial-hero {background:var(--night);color:var(--ink)}
.science-editorial-hero:before {opacity:.35;mix-blend-mode:normal}
.science-editorial-hero:after {background:linear-gradient(90deg,#05040a,#05040aee 45%,#05040a55)}
.science-editorial-hero .section-number,.science-editorial-hero h1 em {color:var(--iris)}
.science-editorial-hero p {color:var(--muted)}
.science-editorial-hero h1 {max-width:960px}
.editorial-down {font-size:13px;color:#d2b1eb;border-color:#6c467e}
.chapter-heading,.split-chapter,.science-example-layout {grid-template-columns:180px minmax(0,1fr);gap:50px}
.chapter-heading h2,.split-chapter h2 {max-width:780px}
.chapter-heading p,.split-chapter p,.choices-grid p,.platform-rows p,.method-rail p,.editorial-note p,.science-domain-grid p,.science-example p,.engineering-intro>p,.engineering-list p {color:var(--muted)}
.chapter-heading p,.split-chapter p {font-size:17px;line-height:1.8}
.choices-grid {gap:24px;margin-top:48px}
.choices-grid article {border:1px solid var(--line);border-radius:16px;padding:27px;background:var(--surface)}
.choices-grid span {color:var(--iris)}
.choices-grid h3 {font-size:24px;line-height:1.3;margin:24px 0 15px;letter-spacing:-.02em}
.choices-grid article>h3:first-child {margin-top:0}
.choices-grid p {font-size:15px;line-height:1.8;margin-bottom:0}
.platform-chapter h2 {margin:25px 0 42px}
.platform-rows,.platform-rows article,.method-rail,.method-rail article+article,.editorial-note,.science-domain-grid,.science-domain-grid article {border-color:var(--line)}
.platform-rows article>span,.platform-rows b,.method-rail span {color:var(--iris)}
.platform-rows h3 {font-size:32px;letter-spacing:-.035em}
.platform-rows article {grid-template-columns:200px minmax(0,1fr);gap:48px}
.method-rail {margin-top:44px}
.method-rail p {font-size:15px;line-height:1.8;margin-top:25px}
.editorial-note {grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:50px;margin-top:48px}
.editorial-note h3 {font-size:23px}
.editorial-note p {font-size:15px;line-height:1.8}
.engineering-layout {gap:70px}
.engineering-intro h2 {font-size:clamp(36px,4.2vw,56px)}
.engineering-list,.engineering-list article {border-color:var(--line)}
.engineering-list h3 {font-size:23px}
.engineering-list p {font-size:15px}
.decision-record,.science-cycle {background:#0d0814;border-block:1px solid var(--line)}
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.decisions-native {width:100%;border-collapse:collapse;table-layout:fixed;text-align:left}
.decisions-native thead {display:table-header-group}
.decisions-native thead tr {display:table-row}
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