:root{color-scheme:dark;--void:#03080e;--deep:#07111b;--ink:#0b1722;--off:#edf3f8;--muted:#b4c2ce;--dim:#a6b7c5;--line:#293f50;--blue:#54caff;--copper:#e19a61;--body:"Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;--display:"Segoe UI Variable Display","Arial Black",system-ui,sans-serif;--mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace}
*{box-sizing:border-box}html{background:var(--void);scroll-behavior:smooth;scroll-padding-top:130px}body{margin:0;background:radial-gradient(ellipse at 85% 0,#102b3a66,transparent 25%),var(--void);color:var(--off);font:18px/1.7 var(--body)}a{color:inherit;text-decoration:none}button{font:inherit}a,button,summary{-webkit-tap-highlight-color:transparent}a:hover{color:var(--blue)}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:4px;border-radius:3px}p{margin:0 0 1.15rem;color:var(--muted)}strong{color:var(--off);font-weight:650}h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.045em;line-height:1.1;margin:0 0 1.3rem;font-weight:720}h1{font-size:clamp(2.65rem,5.2vw,4.8rem);max-width:13ch;line-height:1.03;letter-spacing:-.06em}h2{font-size:clamp(2.1rem,3.7vw,3.4rem);max-width:24ch}h3{font-size:1.6rem}h4{font-size:1.15rem;letter-spacing:-.015em}.skip-link{position:absolute;top:-90px;left:20px;z-index:99;background:var(--off);color:var(--void);padding:12px 18px}.skip-link:focus{top:12px}
/* Preserve the host page's header foundation; shared navigation loads after this file. */
.site-header{position:sticky;top:0;z-index:20;min-height:96px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 max(24px,calc((100vw - 1280px)/2));background:#03080ef5;backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.brand{display:block;flex-shrink:0;width:225px}.brand img{width:100%;height:auto;display:block}.site-header nav{display:flex;gap:24px;align-items:center;font:12px/1.4 var(--mono);color:#c5ced7}.site-header nav a{padding:12px 0}
main,footer{max-width:1180px;width:calc(100% - 64px);margin-inline:auto;min-width:0}.breadcrumb{display:flex;justify-content:space-between;gap:16px;margin:30px 0 45px;font:11px/1.5 var(--mono);color:var(--dim);letter-spacing:.06em}.breadcrumb a{min-height:32px;display:flex;align-items:center}.eyebrow,.feature-number,.status-label{font:12px/1.5 var(--mono);letter-spacing:.11em;color:var(--copper);margin-bottom:24px}.mission-intro{display:grid;grid-template-columns:1.15fr 1fr;gap:8%;align-items:start}.mission-copy{padding-top:37px;font-size:17px}.lead{font-size:1.22rem;line-height:1.55;color:var(--off)}.private-label{font:12px/1.5 var(--mono);color:var(--copper);margin-top:28px}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px 24px;margin:28px 0}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:12px 21px;min-height:48px;line-height:1.4;font-size:15px;font-weight:650;border:1px solid var(--copper);background:#1c2226;color:#f5d0b2;border-radius:3px}.button:hover{color:var(--off);background:#302a26;border-color:#f4c29b}.text-link{display:inline-flex;align-items:center;min-height:44px;font-size:14px;border-bottom:1px solid #4d6577}.story-art{margin:0;min-width:0;align-self:center}.story-art picture{display:block;background:#06121e;border:1px solid var(--line);border-radius:4px;overflow:hidden}.story-art img{display:block;width:100%;height:auto}.story-art figcaption{font-size:12px;line-height:1.65;color:var(--dim);margin:13px 0 0;padding-left:1px;max-width:72ch}.mission-art{margin-top:34px}.mission-art figcaption{font-size:12px}.mission-line{font-size:clamp(1.4rem,2.1vw,1.9rem);line-height:1.45;letter-spacing:-.025em;color:var(--off);max-width:39ch;margin:38px 0 0}.mission-section>.mission-line{max-width:740px;padding:0 0 48px}.section-nav{display:flex;flex-wrap:wrap;gap:4px 18px;border-block:1px solid var(--line);padding:13px 0;font:12px/1.5 var(--mono)}.section-nav a{display:flex;align-items:center;min-height:44px;padding:6px 2px;color:#c0d1dd}.section-nav a:hover{color:var(--blue)}.section{padding:90px 0;border-bottom:1px solid var(--line)}.section-heading{max-width:760px;margin-bottom:44px}.section-heading>p:last-child{max-width:62ch}.requirements{display:grid;grid-template-columns:1fr 1.15fr;gap:8%;margin:20px 0 32px}.requirements article{border-top:1px solid var(--line);padding:28px 0 0}.chapter-number{display:block;font:14px var(--mono);color:var(--blue);margin-bottom:28px}.requirements h3{font-size:1.8rem}.requirements p{font-size:17px}.setup-links{display:flex;flex-direction:column;align-items:flex-start;gap:10px}.setup-links a{display:flex;align-items:center;min-height:44px;color:var(--blue);font-size:15px;text-decoration:underline;text-underline-offset:4px}.small-note{font-size:14px;color:var(--dim);line-height:1.75;max-width:90ch}.setup-section>.small-note{border-left:2px solid var(--copper);padding-left:22px;margin-top:35px}.how-section>.section-heading{padding-top:90px}.feature{display:grid;grid-template-columns:1fr 1.1fr;gap:7%;padding:65px 0 80px;border-bottom:1px solid var(--line);align-items:center;min-width:0}.feature.reverse{grid-template-columns:1.1fr 1fr}.feature.reverse .feature-copy{grid-column:2;grid-row:1}.feature.reverse .story-art{grid-column:1;grid-row:1}.feature-copy{min-width:0}.feature h3,.saved-section>h3{font-size:clamp(2.1rem,3.1vw,2.8rem);max-width:22ch}.feature-lead{font-size:1.25rem;line-height:1.5;color:var(--off);letter-spacing:-.02em}.feature p,.feature li{font-size:17px}.feature .feature-lead{font-size:1.23rem}.feature-number{font-size:11px;margin-bottom:19px}.current-note{border-top:1px solid var(--line);padding-top:20px;color:#c1d1de}.current-note strong{color:#f0c19b}.manual-steps{padding-left:23px;color:var(--muted);margin:24px 0}.manual-steps li{margin:0 0 11px;padding-left:6px}.saved-section{padding:85px 0;border-bottom:1px solid var(--line)}.saved-section>p{max-width:800px}.memory-sources{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin:35px 0}.memory-sources>div{border-top:2px solid var(--blue);padding:24px 0 0}.memory-sources>div:last-child{border-color:var(--copper)}.memory-sources p{font-size:16px}.example-section{display:grid;grid-template-columns:.75fr 1.25fr;gap:7%;align-items:start}.example-panel{border:1px solid #3b5366;border-radius:6px;background:#0b1926;min-width:0;overflow:hidden}.example-tabs{display:flex;flex-wrap:wrap;gap:4px;padding:10px;background:#102334;border-bottom:1px solid #344c60}.example-button{min-height:44px;padding:10px 13px;border:1px solid transparent;border-radius:3px;background:transparent;color:#c5d7e5;font:13px/1.4 var(--body);cursor:pointer}.example-button:hover{background:#173449;color:var(--off)}.example-button[aria-pressed=true]{border-color:var(--copper);background:#293035;color:#f4c9a8}.example-button:focus-visible{outline-offset:-3px}.conversation{padding:28px}.speaker{display:block;font:10px/1.7 var(--mono);letter-spacing:.08em;color:#aac6d8;margin-bottom:13px}.message p{font-size:16px}.message.prompt{border-bottom:1px solid var(--line);margin-bottom:24px;padding-bottom:12px}.message.prompt p{color:#d9e3ec}.message.reply h3{font-size:1.45rem}.source-label{font-size:12px!important;border-left:2px solid var(--blue);padding-left:14px;margin-top:24px;color:#adcddd}.example-panel noscript p{padding:0 22px 10px}.controls-section{display:grid;grid-template-columns:.9fr 1.1fr;gap:7%;align-items:start}.controls-list{min-width:0}.controls-list details{border-top:1px solid var(--line)}.controls-list summary{cursor:pointer;list-style:none;display:grid;grid-template-columns:22px minmax(0,1fr);gap:6px 12px;padding:21px 5px 21px 0;font-size:16px;line-height:1.45;min-height:64px;position:relative}.controls-list summary::-webkit-details-marker,.technical summary::-webkit-details-marker{display:none}.controls-list summary>span{color:var(--copper);font:11px/1.7 var(--mono);padding-top:3px}.controls-list summary>strong{padding-right:24px;font-weight:560}.controls-list summary>em{grid-column:2;font-size:12px;font-style:normal;color:#a4d7ed}.controls-list summary::after{content:'+';position:absolute;right:3px;top:21px;color:var(--copper);font:22px/1 var(--mono)}.controls-list details[open] summary::after{content:'−'}.controls-list summary:hover>strong{color:var(--blue)}.controls-list details>p{font-size:15px;padding:0 5px 18px 34px}.controls-list>.small-note{border-top:1px solid var(--line);padding-top:24px}.status-columns{display:grid;grid-template-columns:1fr 1fr;gap:7%}.status-columns>article{border-top:2px solid var(--blue);padding:25px 0}.status-columns>article:last-child{border-color:var(--copper)}.status-columns h3{font-size:1.8rem}.status-label{font-size:11px;color:var(--blue)}.status-label.planned{color:var(--copper)}.status-columns ul{padding-left:20px;margin:0;color:var(--muted)}.status-columns li{padding-left:4px;margin:0 0 14px;font-size:17px}.technical{border:1px solid #435564;border-radius:4px;margin-top:20px;padding:0 24px;background:#0b1722}.technical summary{list-style:none;cursor:pointer;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:15px 0;font-size:16px;color:#d5e2ec}.technical summary:after{content:'+';color:var(--copper);font:22px var(--mono)}.technical[open] summary:after{content:'−'}.technical p{font-size:15px}.bigger-section{display:grid;grid-template-columns:1.05fr 1fr;gap:0 8%;padding-bottom:75px}.bigger-section>.eyebrow{grid-column:1/-1}.bigger-section h2{font-size:clamp(2.6rem,4.5vw,4.4rem)}.bigger-section h2 span{color:var(--copper)}.bigger-copy .mission-line{font-size:1.6rem;margin:30px 0}.bigger-copy p{font-size:17px}.bigger-copy .lead{font-size:1.3rem}footer{border-top:0;padding:32px 0 48px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:25px}.footer-brand{font:21px var(--mono);letter-spacing:.02em}.footer-brand span{display:block;font:12px/1.7 var(--body);color:var(--dim);margin-top:8px}footer nav{display:flex;flex-wrap:wrap;gap:10px 24px;font:12px var(--mono);align-items:center}footer nav a{min-height:44px;display:flex;align-items:center}footer>p{width:100%;max-width:850px;font-size:13px;color:var(--dim)}
@media(max-width:980px){.mission-intro{gap:5%;grid-template-columns:1fr 1fr}.mission-copy{padding-top:5px}.feature,.feature.reverse{gap:5%;grid-template-columns:1fr 1fr}.feature p,.feature li{font-size:16px}.example-section,.controls-section{grid-template-columns:1fr 1.3fr;gap:5%}.example-tabs{gap:1px}.example-button{padding-inline:8px}.bigger-section{gap:0 5%}}
@media(max-width:780px){html{scroll-padding-top:24px}.site-header{position:relative}.mission-intro{grid-template-columns:1fr;gap:18px}.mission-copy{padding-top:0;font-size:17px}.mission-copy>.lead{font-size:20px}.mission-intro h1{font-size:clamp(2.6rem,8vw,4rem);max-width:15ch}.breadcrumb{margin:22px 0 28px;font-size:10px}.private-label{margin:22px 0 10px}.mission-art{margin-top:16px}.mission-section>.mission-line{padding-bottom:34px;margin-top:27px}.section-nav{gap:3px 15px;font-size:11px}.section{padding:58px 0}.section-heading{margin-bottom:30px}.requirements{grid-template-columns:1fr;gap:20px}.requirements article{padding-top:24px}.chapter-number{margin-bottom:15px}.setup-section>.small-note{padding-left:17px}.how-section>.section-heading{padding-top:58px}.feature,.feature.reverse{grid-template-columns:1fr;gap:26px;padding:42px 0 52px}.feature.reverse .feature-copy,.feature.reverse .story-art{grid-column:auto;grid-row:auto}.feature h3,.saved-section>h3{font-size:2.25rem}.feature p,.feature li{font-size:17px}.story-art figcaption{font-size:12px;margin-top:10px}.story-art{max-width:620px;width:100%;margin-inline:auto}.mission-art{max-width:none}.memory-sources{grid-template-columns:1fr;gap:14px}.memory-sources>div{padding-top:20px}.memory-sources>div p{margin-bottom:10px}.saved-section{padding:52px 0}.example-section,.controls-section{display:block}.example-panel{margin-top:24px}.conversation{padding:22px}.controls-list{margin-top:35px}.controls-list summary{padding-block:20px}.status-columns{grid-template-columns:1fr;gap:14px}.status-columns>article{padding:23px 0}.status-columns h3{font-size:1.7rem}.technical{padding:0 18px}.technical summary{font-size:15px}.bigger-section{display:block}.bigger-section h2{font-size:3rem}.bigger-copy .mission-line{font-size:1.5rem}.bigger-section .actions{align-items:flex-start}footer{padding-top:25px}.eyebrow{font-size:11px;margin-bottom:20px}}
@media(max-width:640px){main,footer{width:calc(100% - 36px)}.story-art picture{background:#06121e}.example-tabs{display:grid;grid-template-columns:1fr;gap:4px}.example-button{width:100%;text-align:left;padding:11px 14px;font-size:14px}.section-nav{gap:3px 12px}.section-nav a{font-size:11px}h2{font-size:2.05rem;max-width:100%}.feature h3,.saved-section>h3{font-size:2.1rem}.actions{gap:12px 20px}.requirements h3{font-size:1.65rem}}
@media(max-width:360px){main,footer{width:calc(100% - 28px)}.mission-intro h1{font-size:2.45rem}.breadcrumb{font-size:9px;letter-spacing:0}.controls-list summary{grid-template-columns:19px minmax(0,1fr);gap:6px 9px;font-size:15px}.controls-list details>p{padding-left:28px}.conversation{padding:18px}.bigger-section h2{font-size:2.6rem}.button{width:100%;gap:16px;font-size:14px}.section-nav{gap:0 12px}.feature-lead{font-size:1.15rem}.technical{padding-inline:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
/* Put the scattered-conversation illustration near the mobile headline. */
@media(max-width:780px){.mission-section{display:grid;grid-template-columns:minmax(0,1fr)}.mission-intro{display:contents}.mission-intro>div:first-child{grid-row:1}.mission-art{grid-row:2;margin:26px 0 30px}.mission-copy{grid-row:3}.mission-section>.mission-line{grid-row:4}}
@media print{body{background:white;color:black}.site-header,.section-nav,.actions,.example-tabs{display:none}main,footer{width:100%}p,strong,h1,h2,h3,h4{color:black}section,article{break-inside:avoid}.section,.feature{padding:20px 0}.story-art{max-width:60%}.mission-intro,.feature,.feature.reverse,.example-section,.controls-section,.bigger-section{display:block}a{text-decoration:underline}}

/* Explicit computer-connection prerequisite; Context Guard page only. */
.computer-access-notice{margin:36px 0 42px;padding:clamp(22px,3.5vw,42px);background:#102635;border:2px solid #e19a61;border-left-width:8px;color:#f5f8fb}
.computer-access-notice h2{max-width:30ch;font-size:clamp(1.75rem,3vw,2.65rem);line-height:1.14;letter-spacing:-.025em;color:#f5f8fb;overflow-wrap:normal}
.computer-access-notice p{max-width:82ch;color:#e2eaf1;font-size:18px;line-height:1.65}
.computer-access-notice .eyebrow{font-size:12px;color:#8edcff}
.computer-access-notice .connection-critical,.computer-access-requirement .connection-critical{font-size:20px;line-height:1.5;color:#f0b17d}
.computer-access-notice .connection-critical strong,.computer-access-requirement .connection-critical strong{color:inherit}
.computer-access-notice .connection-boundary{font-size:15px;color:#c0d0dd;margin-top:20px;margin-bottom:0}
.computer-access-notice .setup-links{margin:24px 0 0}
.computer-access-notice .setup-links a{min-height:44px;padding:10px 14px;border:1px solid #8edcff;color:#bdeaff;background:#071724;text-decoration:underline;text-underline-offset:4px}
.computer-access-notice .setup-links a:focus-visible{outline:3px solid #54caff;outline-offset:4px}
.computer-access-requirement .setup-required-label{font-size:23px;color:#f0b17d;line-height:1.3}
@media(max-width:780px){.computer-access-notice{grid-row:4;margin:24px 0 30px;padding:24px 20px;border-left-width:6px}.mission-section>.mission-line{grid-row:5}.computer-access-notice h2{font-size:28px;max-width:none}.computer-access-notice p{font-size:17px}.computer-access-notice .connection-critical,.computer-access-requirement .connection-critical{font-size:19px}.computer-access-notice .setup-links{display:flex;flex-direction:column;align-items:stretch}.computer-access-notice .setup-links a{overflow-wrap:anywhere}}
@media(max-width:360px){.computer-access-notice{padding:22px 16px}.computer-access-notice h2{font-size:26px}}