/* Shared structural components; visual tokens and final styling live in atelier.css. */
:root{--bg:#101b28;--surface:#152331;--ink:#f1f2e9;--muted:#a7b4bf;--accent:#a9cce8;--line:#30404d;--mono:ui-monospace,SFMono-Regular,Consolas,monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}:focus-visible{outline:2px solid var(--accent);outline-offset:6px}::selection{background:var(--accent);color:var(--bg)}.wrap{width:min(1320px,calc(100% - 112px));margin-inline:auto}.skip{position:absolute;left:20px;top:-70px;background:var(--accent);color:var(--bg);padding:15px;z-index:20}.skip:focus{top:10px}.header{height:112px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:inline-flex;gap:12px;align-items:center;font-size:21px;font-weight:700;letter-spacing:1.5px;white-space:nowrap}.brand svg{width:35px;fill:none;stroke:var(--accent);stroke-width:1.5}.brand-dot{color:var(--accent)}nav{display:flex;align-items:center;gap:34px;font-size:13px}nav a{color:var(--muted)}nav a:hover{color:var(--ink)}.nav-last{margin-left:16px;color:var(--ink)}.nav-last span{margin-left:18px;color:var(--accent)}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:35px;padding-top:64px;padding-bottom:70px;min-height:700px;align-items:center}.eyebrow{font-family:var(--mono);font-size:10px;letter-spacing:2px;font-weight:400;line-height:1.7;margin:0;color:var(--accent)}.signal{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:9px;vertical-align:1px;box-shadow:0 0 14px #a9cce855}h1{font-size:clamp(64px,6.45vw,98px);font-weight:400;letter-spacing:-5px;line-height:1.02;margin:31px 0 28px}em{font-family:Georgia,'Times New Roman',serif;font-weight:400;color:var(--accent)}.hero-description{font-size:16px;line-height:1.8;color:var(--muted);max-width:425px;margin-bottom:31px}.button{display:inline-flex;align-items:center;gap:32px;padding:17px 23px;font-size:13px;font-weight:600;background:var(--accent);color:var(--bg);transition:background .2s,transform .2s}.button:hover{background:#d5e6f3;transform:translateY(-2px)}.button span{font-size:19px}.hero-figure{margin:10px 0 0;align-self:stretch;display:flex;flex-direction:column;justify-content:center;min-width:0}.figure-top{display:flex;justify-content:space-between;font-family:var(--mono);font-size:9px;letter-spacing:1.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:15px}.system-art{display:block;width:100%;max-height:540px}.hero-figure figcaption{display:flex;gap:13px;align-items:center;font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;line-height:1.6}.small-cross{font-family:var(--mono);color:var(--accent);font-size:20px}.field-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#13202d}.field-strip .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:23px;font-family:var(--mono);font-size:10px;letter-spacing:1.5px;white-space:nowrap}.field-strip i{color:#6d8da4;font-style:normal;font-size:16px}.section{padding-top:90px;padding-bottom:96px}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:52px}.section-marker{font-size:30px;color:var(--accent)}h2{font-size:clamp(37px,4.1vw,61px);font-weight:400;line-height:1.12;letter-spacing:-2.5px;margin:0}h2 span{color:var(--muted)}.perspective-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px}.prose{max-width:480px;padding-top:4px}.prose p,.about-copy p{font-size:16px;line-height:1.85;color:var(--muted);margin:0 0 23px}.prose .lead,.about-copy .lead{font-size:21px;color:var(--ink);line-height:1.55}.prose strong{font-weight:400;color:var(--ink)}.text-link{display:inline-flex;align-items:center;gap:30px;font-size:13px;padding:10px 0;border-bottom:1px solid var(--accent);margin-top:5px}.text-link span{color:var(--accent);font-size:18px}.text-link:hover{color:var(--accent)}.focus{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.small{font-size:12px}.muted{color:var(--muted)}.focus-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:100px}.focus-intro>p{font-size:15px;line-height:1.8;color:var(--muted);max-width:340px;margin:25px 0 0}.lens-display{margin-top:40px;max-width:370px;border-left:2px solid var(--accent);padding:3px 0 3px 21px}.lens-display h3{font-size:21px;font-weight:400;letter-spacing:-.4px;line-height:1.3;margin:12px 0}.lens-display p{font-size:14px;line-height:1.8;color:var(--muted);margin:0 0 19px;min-height:100px}.lens-caption{font-family:var(--mono);font-size:9px;letter-spacing:1px;color:var(--accent)}.lens{width:100%;display:flex;align-items:center;text-align:left;border:0;border-top:1px solid #3d4b56;background:transparent;color:var(--ink);padding:27px 12px 27px 0;cursor:pointer;gap:24px;transition:background .2s,padding .2s}.lens:last-child{border-bottom:1px solid #3d4b56}.lens:hover,.lens.active{background:#20303b;padding-left:15px}.lens-index{font-family:var(--mono);font-size:10px;color:var(--muted);align-self:flex-start;padding-top:6px}.lens strong{font-size:25px;font-weight:400;letter-spacing:-.7px;line-height:1.2}.lens small{display:block;font-size:12px;color:var(--muted);line-height:1.5;margin-top:9px}.lens-arrow{margin-left:auto;font-size:24px;color:var(--muted)}.lens.active .lens-index,.lens.active .lens-arrow{color:var(--accent)}.approach>h2{margin-bottom:56px}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:46px}.method-grid article{border-top:1px solid var(--line);padding-top:24px}.method-number{font-family:var(--mono);font-size:10px;color:var(--accent);letter-spacing:1.7px}.method-grid h3{font-size:23px;font-weight:400;letter-spacing:-.5px;margin:29px 0 16px}.method-grid p{font-size:14px;line-height:1.85;color:var(--muted);max-width:320px}.editorial-note{margin-top:55px;border-top:1px solid var(--line);padding-top:26px;display:flex;gap:80px}.editorial-note p{margin:0;font-family:Georgia,serif;font-size:22px;line-height:1.5;color:#ced9e3}.about{background:var(--accent);color:var(--bg)}.about .eyebrow{color:#40596c;margin-bottom:31px}.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px}.about h2{font-size:clamp(40px,4.6vw,68px)}.about em{color:#3a5971}.about-copy{padding-top:2px}.about-copy p{color:#3a5062;font-size:15px}.about-copy .lead{color:var(--bg);font-size:21px}.about .text-link{border-color:#4c6c84}.about .text-link span{color:var(--bg)}.about .text-link:hover{color:#365c7b}.footer{display:grid;grid-template-columns:auto 1fr auto;gap:25px;align-items:center;padding-top:39px;padding-bottom:32px}.footer .brand{font-size:18px}.footer>p{color:var(--muted);font-size:12px;margin-left:18px}.footer>a:not(.brand){font-size:12px;color:var(--muted)}.footer>a:not(.brand) span{color:var(--accent);margin-left:13px}.copyright{grid-column:1/-1;font-family:var(--mono);font-size:9px;color:#83949f;letter-spacing:.8px;padding-top:23px;border-top:1px solid var(--line);margin-top:10px}.noscript-note{color:var(--muted);line-height:1.8}
@media(min-width:1550px){.hero{padding-top:86px;padding-bottom:90px}h1{font-size:100px}.hero-figure{padding-left:20px}}
@media(max-width:1050px){.wrap{width:calc(100% - 64px)}.hero{gap:15px;min-height:620px;padding-top:50px;padding-bottom:55px}h1{font-size:70px;letter-spacing:-3.5px}.hero-description{font-size:15px}.perspective-layout,.focus-layout,.about-layout{gap:50px}.field-strip .wrap{font-size:8px;letter-spacing:.6px;gap:10px}.method-grid{gap:28px}.lens strong{font-size:22px}.section{padding-block:72px}.system-art{min-height:390px}.figure-top{font-size:8px;letter-spacing:.7px}}
@media(max-width:720px){html{scroll-padding-top:20px}.wrap{width:calc(100% - 40px)}.header{height:84px;position:relative}.brand{font-size:18px;gap:10px}.brand svg{width:29px}.menu-toggle{display:flex;gap:17px;align-items:center;background:none;border:1px solid var(--line);padding:10px 12px;color:var(--ink);font-size:12px}.menu-toggle span{color:var(--accent);font-size:18px}nav{display:none;position:absolute;top:83px;left:-20px;right:-20px;z-index:10;background:#172634;padding:26px;flex-direction:column;align-items:flex-start;gap:24px;border-bottom:1px solid var(--line)}nav.open{display:flex}.nav-last{margin-left:0}.hero{grid-template-columns:1fr;gap:48px;padding-top:44px;padding-bottom:37px}.eyebrow{font-size:9px;letter-spacing:1.6px}h1{font-size:clamp(58px,12vw,86px);letter-spacing:-3px;margin-top:26px}.hero-description{font-size:15px;max-width:470px}.hero-figure{max-width:460px;width:100%;margin:0 auto}.system-art{min-height:0;max-height:420px}.figure-top{font-size:8px}.hero-figure figcaption{font-size:10px}.field-strip .wrap{flex-wrap:wrap;justify-content:center;gap:9px 16px;font-size:8px;line-height:1.5;padding-block:20px}.field-strip i:nth-of-type(3){display:none}.section{padding-block:58px}.section-heading{margin-bottom:35px}.section-heading .small{font-size:10px;max-width:130px;text-align:right;line-height:1.6}.section-marker{font-size:24px}.perspective-layout,.focus-layout,.about-layout{grid-template-columns:1fr;gap:33px}h2{font-size:43px;letter-spacing:-1.9px}.perspective-layout h2 br:last-child{display:none}.prose .lead,.about-copy .lead{font-size:20px}.prose p,.about-copy p{font-size:15px}.focus-intro>p{max-width:410px}.focus-layout{gap:30px}.lens-display{max-width:100%;margin-top:25px;min-height:180px}.lens-display p{min-height:0}.lens{padding-block:23px;gap:18px}.lens strong{font-size:23px}.lens small{font-size:11px}.method-grid{grid-template-columns:1fr;gap:20px}.method-grid h3{margin:15px 0 10px;font-size:23px}.method-grid p{max-width:100%;margin-bottom:0}.approach>h2{margin-bottom:35px}.editorial-note{flex-direction:column;gap:15px;margin-top:35px}.editorial-note p{font-size:21px}.about h2{font-size:49px}.about .eyebrow{margin-bottom:25px}.footer{grid-template-columns:1fr auto;gap:18px;padding-block:30px}.footer>p{grid-column:1/-1;grid-row:2;margin:0}.copyright{margin-top:2px;padding-top:20px}.footer>a:not(.brand){font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.brand-logo{width:40px;height:40px;object-fit:contain;border-radius:5px;flex-shrink:0}.hero-art{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain;margin:12px auto;max-width:510px}.hero-social{display:inline-flex;align-items:center;gap:12px;margin:18px 0 0 22px;color:var(--muted);font-size:12px}.hero-social:hover{color:var(--accent)}.hero-social span{color:var(--accent)}.contact{position:relative;background:linear-gradient(90deg,rgba(7,15,26,.96),rgba(7,15,26,.72)),url('./assets/ai-keeper-background.png') center/cover no-repeat;border-bottom:1px solid var(--line)}.contact-layout{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:90px}.contact h2{margin-top:25px;font-size:clamp(38px,4.2vw,62px)}.contact-intro{max-width:420px;color:var(--muted);font-size:15px;line-height:1.8;margin-top:24px}.contact-link{display:block;border-top:1px solid #425568;padding:29px 0}.contact-link:last-child{border-bottom:1px solid #425568}.contact-address{display:flex;gap:16px;justify-content:space-between;align-items:center;font-size:clamp(18px,2.1vw,29px);letter-spacing:-.6px;margin-top:17px;overflow-wrap:anywhere}.contact-address>span{color:var(--accent);font-size:26px;flex-shrink:0}.contact-link:hover .contact-address{color:var(--accent)}.footer>p{line-height:1.9}.footer-email{color:var(--accent);font-size:11px}.footer-email:hover{text-decoration:underline}
@media(max-width:1050px){nav{gap:23px}.contact-layout{gap:45px}.hero-social{margin-left:0;display:flex;width:max-content}}
@media(max-width:720px){.brand-logo{width:34px;height:34px}.hero-art{max-width:410px;margin-block:12px}.hero-social{margin-top:21px}.contact-layout{grid-template-columns:1fr;gap:30px}.contact h2{font-size:44px}.contact-link{padding-block:24px}.contact-address{font-size:clamp(18px,5.4vw,29px);letter-spacing:-.5px}.contact-link .eyebrow{font-size:8px;letter-spacing:1.1px}}

.resources{background:#0d1824;border-bottom:1px solid var(--line)}.briefing-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.resource-tag{display:inline-block;border:1px solid #557084;padding:8px 11px;font:9px var(--mono);letter-spacing:1.3px;color:var(--accent);margin-bottom:25px}.briefing-copy .lead{font-family:Georgia,serif;font-size:24px;line-height:1.4;color:var(--accent);margin:20px 0}.briefing-copy>p:not(.lead){font-size:15px;line-height:1.8;color:var(--muted);max-width:450px}.briefing-benefits{padding:0;margin:25px 0 30px;list-style:none;color:var(--ink);font-size:13px;line-height:1.7}.briefing-benefits li{padding:8px 0 8px 20px;position:relative}.briefing-benefits li:before{content:'+';position:absolute;left:0;color:var(--accent)}.briefing-copy>p.resource-meta,.resource-meta{font:10px/1.8 var(--mono);color:var(--muted);letter-spacing:.15px}.map-preview{background:#172a3a;border:1px solid #3c5263;padding:25px 28px;box-shadow:17px 17px 0 #101e2b}.map-preview-top{display:flex;justify-content:space-between;font:8px var(--mono);letter-spacing:1px;color:var(--accent);gap:12px;border-bottom:1px solid #4b6273;padding-bottom:19px}.map-preview ol{padding:0;margin:12px 0;list-style:none}.map-preview li{display:grid;grid-template-columns:28px 1fr;gap:6px 14px;padding:17px 0;border-bottom:1px solid #334e62}.map-preview li span{grid-row:span 2;font:10px var(--mono);color:var(--accent);padding-top:3px}.map-preview strong{font-size:18px;font-weight:400;line-height:1.2}.map-preview small{font-size:11px;color:var(--muted);line-height:1.5}.map-preview>p{font-size:11px;line-height:1.7;color:var(--accent);margin:20px 0 0}.resource-reader{margin-top:45px;border-top:1px solid #4a6173;border-bottom:1px solid #4a6173}.resource-reader>summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:25px;cursor:pointer;padding:25px 0}.resource-reader>summary::-webkit-details-marker{display:none}.resource-reader>summary strong{display:block;font-size:24px;font-weight:400;letter-spacing:-.6px;line-height:1.35;margin-top:8px}.reader-toggle{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;flex-shrink:0;border:1px solid #567187;border-radius:50%;font-size:25px;color:var(--accent);transition:transform .2s}.resource-reader[open] .reader-toggle{transform:rotate(45deg)}.reader-body{max-width:830px;margin:10px auto 45px;border-top:1px solid var(--line);padding-top:28px}.reader-body h3{font-size:25px;font-weight:400;letter-spacing:-.6px;line-height:1.35;margin:34px 0 16px;color:var(--ink)}.reader-body p,.reader-body li{font-size:15px;line-height:1.9;color:#b6c4d0}.reader-body strong{color:var(--ink)}.reader-body a:not(.text-link){color:var(--accent);text-decoration:underline;text-underline-offset:3px}.reader-body .resource-meta{font:10px/1.8 var(--mono);color:var(--muted)}.reader-table{overflow-x:auto;margin:25px 0;border:1px solid #3a5264}.reader-table table{width:100%;border-collapse:collapse;text-align:left;font-size:12px;line-height:1.7;min-width:510px}.reader-table caption{text-align:left;padding:14px;font:10px/1.7 var(--mono);color:var(--accent)}.reader-table th,.reader-table td{padding:14px;vertical-align:top;border-top:1px solid #344a5b}.reader-table thead th{background:#1c3142;color:var(--ink);font-weight:500}.reader-table tbody th{color:#d0dce5;font-weight:400}.reader-table td{color:var(--muted)}.reader-body .formula{background:#192c3c;border-left:2px solid var(--accent);padding:17px;font:12px/1.8 var(--mono);color:var(--ink)}.reader-checklist{padding-left:23px}.reader-checklist li{padding:6px 0 6px 8px}.resource-sources{border-top:1px solid var(--line);margin-top:34px;padding-top:5px}.resource-sources li{font-size:12px;line-height:1.9;padding-bottom:12px}.analysis-intro{border-top:1px solid var(--line);margin-top:65px;padding-top:40px}.analysis-intro h3{font-size:38px;font-weight:400;line-height:1.15;letter-spacing:-1.3px;margin:20px 0}.analysis-intro>p:not(.eyebrow){color:var(--muted);font-size:15px;line-height:1.8;max-width:560px}.analysis-reader{margin-top:28px}.reader-body .article-deck{font:23px/1.6 Georgia,serif;color:var(--ink)}.article-conclusion{border-left:2px solid var(--accent);padding-left:22px;margin-top:30px}
@media(max-width:1050px){.briefing-grid{gap:50px}.map-preview{padding:22px}.map-preview strong{font-size:16px}.briefing-copy h2{font-size:49px}}
@media(max-width:720px){.briefing-grid{grid-template-columns:1fr;gap:34px}.briefing-copy h2{font-size:49px}.resource-tag{font-size:8px}.briefing-copy .lead{font-size:23px}.map-preview{padding:22px;box-shadow:8px 8px 0 #101e2b;margin-right:8px}.resource-reader{margin-top:35px}.resource-reader>summary strong{font-size:21px}.resource-reader>summary .eyebrow{font-size:8px;letter-spacing:1px}.reader-body{margin-bottom:30px}.reader-body p,.reader-body li{font-size:14px}.reader-body h3{font-size:24px}.reader-body .article-deck{font-size:21px}.reader-toggle{width:31px;height:31px;font-size:21px}.analysis-intro{margin-top:45px;padding-top:30px}.analysis-intro h3{font-size:31px}.reader-table th,.reader-table td{padding:11px}.resource-sources ol{padding-left:20px}}

/* Signal restored: Space Grotesk + Inter, blue and cyan light, original avatar and supplied network artwork. */
:root{--bg:#0b0d12;--surface:#11141c;--ink:#edf2f8;--muted:#a9b3c3;--accent:#b5d8ff;--deep-blue:#253f68;--line:#2a303d;--display:'Space Grotesk',Arial,sans-serif;--body:Inter,Arial,sans-serif}
body{font-family:var(--body);font-size:17px;background:var(--bg)}[hidden]{display:none!important}
.wrap{width:min(1280px,calc(100% - 112px))}.header{height:103px;gap:20px;position:relative;z-index:10}.brand{font-family:var(--display);font-size:18px;font-weight:500;letter-spacing:1.6px;gap:10px}.brand-logo{width:34px;height:34px;border-radius:4px}.brand-dot{color:var(--accent)}nav{font-size:12px;gap:28px}.nav-last{margin-left:10px}.nav-last span{margin-left:10px}.eyebrow{font-size:10px;line-height:1.8;letter-spacing:1.7px}.signal{width:5px;height:5px;vertical-align:2px;box-shadow:0 0 14px #95bde633}
.hero-shell{position:relative;isolation:isolate;overflow:clip}.hero-shell:before{content:'';position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse at 88% 42%,#19335555,transparent 48%),radial-gradient(ellipse at 56% 75%,#31547c40,transparent 47%)}.hero{grid-template-columns:1.14fr 1fr;gap:20px;padding-top:78px;padding-bottom:58px;min-height:650px}h1{font-family:var(--display);font-size:clamp(72px,7.9vw,112px);font-weight:400;letter-spacing:-6px;line-height:1.02;margin:31px 0 27px}h1 em{font-family:inherit;font-style:normal;color:var(--accent)}em{font-family:inherit;font-style:normal;color:var(--accent)}.hero-description{font-size:17px;line-height:1.85;max-width:400px;margin:0 0 31px}.button{min-height:50px;padding:16px 20px;border:1px solid #dbe8f7;border-radius:5px;background:#e4edf9;color:#111826;font-size:12px;line-height:1.5;font-weight:500;gap:30px;transition:background .2s,transform .2s,box-shadow .2s}.button:hover{background:#f4f7ff;box-shadow:0 7px 35px #90b2db1a}.button span{font-size:18px}.hero-social{font-size:12px;margin:20px 0 0 21px}.hero-figure{margin:0;padding-left:0;align-self:stretch;min-width:0}.figure-top{font-size:9px;letter-spacing:1.4px;color:#b8becb;padding-top:18px;border-top:0}.hero-figure figcaption{font-size:11px;line-height:1.7;color:#b6bfce;border-top:1px solid #526b8a47;padding-top:17px}.small-cross{font-size:19px}
.hero-feature{display:flex;gap:25px;align-items:center;justify-content:space-between;padding-top:25px;padding-bottom:27px;border-top:1px solid #425c7c7a}.hero-feature small{display:block;font-family:var(--mono);font-size:9px;letter-spacing:1.4px;color:#b7c6d9;margin-bottom:7px}.hero-feature strong{display:block;font-family:var(--display);font-size:21px;font-weight:400;letter-spacing:-.5px}.feature-links{display:flex;gap:27px;font-size:12px;color:var(--accent)}.feature-links a{padding-block:8px;border-bottom:1px solid transparent}.feature-links a:hover{border-color:var(--accent)}.field-strip{background:#0c1018}.field-strip .wrap{font-size:9px;letter-spacing:1.3px;line-height:1.6;padding-block:22px}.field-strip i{color:#8ba6c5;font-size:14px}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* The project avatar remains the identity mark; the network image leads the hero. */
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@media(min-width:1550px){.hero{padding-top:70px;padding-bottom:50px}.hero-network-image{max-height:675px}}
@media(max-width:1100px){.hero{grid-template-columns:1fr 1.12fr;gap:10px;padding-top:48px}.hero-network-image{max-height:540px}.header .brand-logo{width:40px;height:40px}}
@media(max-width:760px){.hero{grid-template-columns:1fr;gap:32px;padding-top:43px;padding-bottom:25px}.header .brand-logo{width:38px;height:38px}.network-figure{max-width:520px;width:100%;margin:0 auto}.hero-network-image{max-height:none;mask-image:radial-gradient(ellipse closest-side,#000 70%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse closest-side,#000 70%,transparent 100%)}.network-figure .figure-top{padding-inline:0}.network-figure figcaption{margin-inline:0}}

/* Multi-page editorial extension of the approved Signal visual system. */
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