/* The approved Relay system extended to an educational resource hub. */
.hero-project-state>strong{font-size:36px;color:var(--relay-ice)}
.resource-library{background:radial-gradient(ellipse at 5% 15%,#d5f8de,transparent 60%),linear-gradient(125deg,#e3efe8 20%,#d9e9ee 60%,#e8e1f5);--bg:#e3efe8;--ink:#10231c;--muted:#435b50;--line:#26473835;--action:#10231c;--action-ink:#eff8f4;color:var(--ink)}
.resource-library .section-head h2,.resource-library h1{letter-spacing:-.045em}
.section-head>p:last-child{max-width:62ch}.resource-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;min-width:0}
.resource-card{display:flex;flex-direction:column;align-items:flex-start;gap:16px;min-width:0;padding:24px;border:1px solid var(--line);border-radius:6px;background:#ffffff20;color:inherit;text-decoration:none}
.resource-card:hover{background:#ffffff50}.resource-card:focus-visible{outline:2px solid currentColor;outline-offset:4px}.resource-card[hidden]{display:none!important}
.resource-card h3{font:500 clamp(22px,2vw,28px)/1.15 var(--font-display);letter-spacing:-.03em;margin:0}.resource-card p{font-size:16px;line-height:1.5;margin:0;max-width:54ch}.resource-card .t-label{font:11px/1.5 var(--font-mono);color:var(--muted)}
.resource-link{display:flex;justify-content:space-between;gap:24px;width:100%;font-size:14px;margin-top:auto;padding-top:8px}.resource-link>span{font-size:22px;line-height:1}
.library-home>.wrap{gap:24px}.library-home .section-head{margin-bottom:0}.library-home .resource-grid{flex:1}.library-all{display:inline-flex;align-items:center;align-self:flex-start;min-height:44px}
.tools-roadmap{background:radial-gradient(ellipse at 85% 12%,#49316a55,transparent 55%),radial-gradient(ellipse at 5% 80%,#17616a44,transparent 55%),#050b0e}
.tools-roadmap h2{letter-spacing:-.045em}.tools-roadmap h2 span{background:var(--relay-title-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.roadmap-list{display:flex;flex-direction:column;flex:1;justify-content:space-around}.roadmap-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:start;border-top:1px solid #ffffff25;padding:24px 0}
.roadmap-num{font:400 28px/1 var(--font-mono);color:var(--relay-ice)}.roadmap-row h3{font-size:28px;line-height:1.2;letter-spacing:-.03em;margin:8px 0 12px}.roadmap-row p:last-child{font-size:17px;line-height:1.5;max-width:64ch}.roadmap-row .t-label{font-size:11px;color:#afc8c3}.build-status{justify-self:end;border:1px solid #b4d7d540;border-radius:4px;padding:8px 12px;font:11px/1.4 var(--font-mono);color:#cce2e0}
.roadmap-note{font-size:15px;line-height:1.5;color:#b5ccc6}.roadmap-note a{text-decoration:underline;text-underline-offset:4px}
.reading-section{height:auto!important;min-height:100svh;padding-block:calc(var(--nav) + 64px) 96px}.reading-section>.wrap{height:auto!important;display:block!important}.reading-section .section-head{margin-bottom:48px}
.library-index h1,.contact-page h1{font:500 clamp(40px,5vw,72px)/1.05 var(--font-display);letter-spacing:-.045em}
.library-filters{display:flex;gap:8px;flex-wrap:wrap;margin:32px 0 16px}.library-filters button{border:1px solid #35584b60;border-radius:4px;background:transparent;color:#19372d;min-height:44px;padding:10px 20px;font:500 14px/1.5 var(--font-text)}.library-filters [aria-pressed=true]{background:#102b24;color:#f0fff8}.filter-status{font:12px/1.5 var(--font-mono);color:var(--muted);margin-bottom:24px}
.guide-search{display:flex;flex-direction:column;gap:12px;font-size:15px;max-width:640px;margin-top:48px}.guide-search input{height:52px;background:#f7fcfa;border:1px solid #567668;border-radius:4px;color:#10231c;padding:12px 16px;font:16px/1.5 var(--font-text)}.guide-search input::placeholder{color:#52685e}.learning-paths{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;border-block:1px solid var(--line);padding:32px 0;margin-bottom:48px}.learning-paths h2{font-size:24px;line-height:1.2;margin:20px 0}.learning-paths a{display:block;font-size:16px;padding:10px 0;text-decoration:underline;text-underline-offset:4px}.learning-paths .t-label{font-size:11px}
.learning-map{margin-bottom:24px;border-block:1px solid var(--line)}.learning-map summary{cursor:pointer;min-height:52px;padding:16px 0;font-size:16px}.learning-map .learning-paths{border:0;margin:0;padding-block:16px 32px}
.reference-article{padding-top:calc(var(--nav) + 48px);background:radial-gradient(ellipse at 90% 0,#40345b55,transparent 35%),#071214;--line:#98bdb633}
.article-head{padding-bottom:64px}.breadcrumbs{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;line-height:1.5;color:#b5ccc6;margin-bottom:40px}.breadcrumbs a{text-decoration:underline;text-underline-offset:4px}.article-head>.t-label{color:#a8c6be;font:11px/1.5 var(--font-mono)}
.article-head h1{font:500 clamp(40px,4.8vw,68px)/1.05 var(--font-display);letter-spacing:-.045em;max-width:22ch;margin:24px 0}.article-deck{font-size:21px;line-height:1.5;max-width:64ch;color:#c6d8d2}.article-meta{font:12px/1.5 var(--font-mono);color:#a7bcb6;margin-top:24px}
.article-layout{display:grid;grid-template-columns:3fr 9fr;gap:48px;padding-bottom:80px}.article-toc{border-top:1px solid var(--line);padding-top:24px}.article-toc>.t-label{font:11px/1.5 var(--font-mono);color:#a8c6be;margin-bottom:20px}.article-toc a{display:block;padding:8px 0;line-height:1.5;font-size:14px;text-decoration:underline;text-underline-offset:4px;max-width:28ch}
.article-body{max-width:780px;min-width:0}.article-body>section{margin-bottom:48px;scroll-margin-top:104px}.article-body h2{font:500 30px/1.2 var(--font-display);letter-spacing:-.03em;margin-bottom:24px}.article-body p,.article-body li{font-size:18px;line-height:1.75;max-width:66ch}.article-body p+p{margin-top:20px}.article-body a{text-decoration:underline;text-underline-offset:4px}.article-sources{scroll-margin-top:104px;border-top:1px solid var(--line);padding-top:20px;margin:48px 0;color:#a7bcb6}.article-sources summary{font:400 13px/1.6 var(--font-text);cursor:pointer;width:fit-content;padding:8px 0}.article-sources summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}.article-sources ul{padding-left:18px;margin:12px 0 16px}.article-body .article-sources li,.article-body .article-sources p{font-size:13px;line-height:1.65;margin-bottom:8px;overflow-wrap:anywhere}.article-sources a{color:inherit;text-decoration-color:#637e74;text-underline-offset:3px}.source-note{font-size:13px;line-height:1.65}
.related-reading{padding-bottom:96px}.related-reading h2{font-size:32px;margin-bottom:32px}.related-reading .resource-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.related-reading .resource-card{background:#102421;--muted:#b3ccc4}.related-reading .resource-card:hover{background:#16332e}.related-reading .resource-card p{font-size:15px}
.contact-page{background:radial-gradient(ellipse at 85% 5%,#49316a55,transparent 60%),#071214}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px}.contact-grid article{border-top:1px solid #a0c2b740;padding-top:32px}.contact-grid h2{font-size:32px;margin:24px 0}.contact-grid p{font-size:18px;line-height:1.6;max-width:52ch}.contact-grid .btn,.contact-grid .link{margin-top:32px}
.account-staking,.section#questions{height:auto!important;min-height:100svh}.account-staking>.wrap,.section#questions>.wrap{height:auto!important}.account-staking{background:linear-gradient(120deg,#0b201e,#142833 65%,#241f3a)}.account-staking .account-sheet{background:#0a191b;border:1px solid #9fc9bd30}.account-staking>.wrap>.group{height:auto}.section#questions{background:#dfece6;--ink:#112a20;--muted:#405c50;--line:#35584b35;--bg:#dfece6;color:var(--ink)}
@media(min-width:1024px) and (max-width:1279px){.resource-card{padding:20px;gap:12px}.resource-card h3{font-size:22px}.resource-card p{font-size:15px}.roadmap-row{padding:18px 0}.roadmap-row h3{font-size:25px}.roadmap-row p:last-child{font-size:16px}}
@media(min-width:640px) and (max-width:1023px){.library-home .resource-grid{flex:0}.resource-card{padding:24px}.library-home .resource-card p{font-size:16px}.article-layout{grid-template-columns:1fr;gap:32px}.article-toc{display:flex;gap:8px 24px;flex-wrap:wrap}.article-toc>.t-label{width:100%;margin:0}.article-toc a{max-width:none}.related-reading .resource-grid{grid-template-columns:1fr 1fr}.contact-grid{gap:32px}.roadmap-row{grid-template-columns:40px minmax(0,1fr) 90px}}
@media(max-width:639px){.hero-project-state>strong{font-size:26px}.library-home{--h:2}.resource-grid{grid-template-columns:1fr;gap:12px}.resource-card{padding:24px;gap:16px}.resource-card h3{font-size:24px}.resource-card p{font-size:16px}.resource-library .section-head h2,.tools-roadmap h2{font-size:34px;line-height:1.1}.resource-library .section-head>p:last-child,.tools-roadmap .section-head>p:last-child{font-size:17px}.library-home>.wrap{gap:24px}.library-home .resource-grid{flex:0}.library-home .library-all{margin-top:auto}.roadmap-row{grid-template-columns:28px minmax(0,1fr);gap:16px;padding:24px 0}.roadmap-num{font-size:20px}.roadmap-row h3{font-size:24px}.roadmap-row p:last-child{font-size:16px}.build-status{grid-column:2;justify-self:start}.roadmap-note{margin-top:24px}.reading-section{padding-block:104px 64px}.reading-section .section-head{margin-bottom:32px}.library-filters button{padding-inline:14px}.reference-article{padding-top:88px}.article-head{padding-bottom:40px}.breadcrumbs{margin-bottom:32px;font-size:12px;gap:8px}.article-head h1{font-size:40px;margin-block:20px}.article-deck{font-size:18px}.article-layout{grid-template-columns:1fr;gap:40px;padding-bottom:24px}.article-toc a{font-size:15px;max-width:none}.article-body h2{font-size:27px}.article-body p,.article-body li{font-size:17px}.article-body>section{margin-bottom:40px}.related-reading .resource-grid{grid-template-columns:1fr}.related-reading{padding-bottom:64px}.related-reading .resource-card p{font-size:16px}.contact-grid{grid-template-columns:1fr;gap:48px}.contact-grid h2{font-size:28px}.contact-grid p{font-size:17px}.account-staking>.wrap{display:flex!important;gap:64px}.account-staking .group{width:100%}.section#questions .faq{gap:32px}.closing__cta h2{font-size:34px}}
@media(forced-colors:active){.tools-roadmap h2 span{background:none;-webkit-text-fill-color:currentColor}}
@media(max-width:767px){.learning-paths{grid-template-columns:1fr;gap:32px}.learning-paths>div+div{border-top:1px solid var(--line);padding-top:32px}}
.roadmap-row{grid-template-columns:minmax(0,1fr) auto}.closing__cta,.closing__links,.closing__links .grid>*{min-width:0}.closing__cta .btn--wide{max-width:100%;white-space:normal}.library-home .resource-card{justify-content:space-between;min-height:0}
.section#questions{min-height:0!important}
@media(max-width:1023px){.account-staking>.wrap{row-gap:64px!important}.account-staking>.wrap>.group{flex:none}}
.article-answer{border-left:3px solid var(--relay-ice);padding:8px 0 8px 24px;margin-bottom:48px}.article-answer p{font-size:20px;line-height:1.65;color:#e4f2ec}
.article-question{padding-top:24px;border-top:1px solid var(--line);margin-top:24px}.article-question h3{font-size:22px;line-height:1.3;margin-bottom:16px;letter-spacing:-.02em}
.article-figure{margin:40px 0;padding:28px;border:1px solid #83e5ef40;border-radius:8px;background:radial-gradient(ellipse at 100% 0,#56528b22,transparent 70%),#0d2527;color:#eff8f4;min-width:0}
.figure-heading{margin-bottom:24px}.figure-heading>.t-label{font:11px/1.5 var(--font-mono);color:#b4d5cb}.figure-heading h3{font:500 25px/1.2 var(--font-display);letter-spacing:-.025em;margin-top:12px}
.figure-flow,.figure-layers{list-style:none;padding:0;margin:0;display:grid;gap:12px}.figure-flow li,.figure-layers li{padding:18px;border:1px solid #a7cfc633;border-radius:4px;display:grid;grid-template-columns:32px minmax(0,1fr);gap:8px 16px;background:#112e2e;font-size:16px;line-height:1.5;max-width:none}
.figure-step{font:12px/1.5 var(--font-mono);color:#9ee6dc;grid-row:1/span 2}.figure-flow li>span:last-child,.figure-layers li>span:last-child{grid-column:2;color:#c6dcd5}.figure-flow li+li{position:relative}.figure-flow li+li:before{content:'';position:absolute;top:-13px;left:33px;width:1px;height:12px;background:#83e5ef80}
.article-figure figcaption{font-size:14px;line-height:1.6;color:#bad0c9;margin-top:24px}.figure-sources{display:block;margin-top:12px}.article-figure figcaption a{text-decoration:underline;text-underline-offset:3px}
.figure-table{overflow-x:auto;max-width:100%;scrollbar-width:thin}.figure-table table{border-collapse:collapse;min-width:440px;width:100%;font-size:15px;line-height:1.6}.figure-table th,.figure-table td{text-align:left;vertical-align:top;padding:16px 12px;border-bottom:1px solid #a7cfc633}.figure-table thead th{font-weight:500;color:#d5f58b}.figure-table tbody th{font-weight:500}.figure-table td{color:#d1e2dc}
.article-body .figure-equation{font:500 clamp(24px,2.5vw,36px)/1.4 var(--font-display);letter-spacing:-.02em;color:#d5f58b}.figure-definitions>div{padding:16px 0;border-bottom:1px solid #a7cfc633}.figure-definitions dt{font-weight:600;margin-bottom:8px}.figure-definitions dd{font-size:16px;line-height:1.6;color:#c6dcd5;margin:0}
.article-body code{font:14px/1.6 var(--font-mono);overflow-wrap:anywhere}.article-body pre{max-width:100%;overflow:auto;padding:24px;background:#102827;border:1px solid var(--line);border-radius:4px;line-height:1.6}
/* The unchanged toolkit guard mistakes valid JSON arrays and TOML headers for placeholders.
   Preserve the syntax and audit attributes; omit its diagnostic outline only on article code. */
.article-body code[data-placeholder]{outline:none}
.article-body .figure-scroll-hint{display:none;font:12px/1.5 var(--font-mono);color:#bad0c9;margin:0 0 12px}
@media(max-width:767px){.article-body .figure-scroll-hint{display:block}}
@media(max-width:639px){.article-answer{padding-left:20px}.article-answer p{font-size:18px}.article-figure{padding:20px;margin-block:32px}.figure-heading h3{font-size:22px}.figure-flow li,.figure-layers li{grid-template-columns:24px minmax(0,1fr);gap:8px 12px;padding:16px}.figure-flow li+li:before{left:28px}.article-figure figcaption{font-size:13px}.article-body pre{padding:16px}}
.article-body pre{white-space:pre-wrap;overflow-wrap:anywhere}
.figure-heading h3{font-size:23px}
.article-illustration{margin:40px 0;border:1px solid #86e2ec44;border-radius:8px;overflow:hidden;background:#0a1e21}
.article-illustration h3{padding:24px 28px 0;font:500 25px/1.3 var(--font-display);letter-spacing:-.02em;color:#e9f7f0;margin:0}
.article-illustration picture{display:block;width:100%;aspect-ratio:var(--art-ratio);overflow:hidden}
.article-illustration img{display:block;width:100%;height:100%;object-fit:contain}
.article-illustration figcaption{padding:0 28px 24px;color:#b3cdc5;font:14px/1.6 var(--font-text)}
.article-illustration--lead{margin-top:40px;margin-bottom:0}
.article-illustration--lead h3{font-size:28px}
@media(max-width:1200px){.article-illustration:not(.article-illustration--lead) picture{aspect-ratio:var(--art-mobile-ratio);max-width:540px;margin-inline:auto}}
@media(max-width:900px){.article-illustration--lead picture{aspect-ratio:var(--art-mobile-ratio);max-width:540px;margin-inline:auto}}
@media(max-width:639px){.article-illustration h3,.article-illustration--lead h3{font-size:22px;padding:20px 20px 0}.article-illustration figcaption{padding:0 20px 20px;font-size:13px}.article-illustration picture{aspect-ratio:var(--art-mobile-ratio)}.article-illustration{margin-block:32px}}
@media(max-width:639px){.figure-heading h3,.article-question h3{font-size:20px}}
@media(max-width:639px){.library-home{--h:1}.library-home .resource-card{padding:16px;gap:8px}.library-home .resource-card h3{font-size:22px}.library-home .resource-card .t-label{font-size:10px}.library-home .resource-grid{gap:12px;flex:1}.library-home>.wrap{gap:20px}.library-home .resource-link{font-size:13px;padding-top:0}.library-home .library-all{margin-top:0}.roadmap-row{grid-template-columns:minmax(0,1fr) auto}.roadmap-row .build-status{grid-column:2;grid-row:1;font-size:10px;padding:6px 8px}.roadmap-row h3{font-size:22px}.tools-roadmap .section-head h2{font-size:30px}.tools-roadmap .section-head p:last-child{font-size:16px}.roadmap-row p:last-child{font-size:15px}.roadmap-list{justify-content:flex-start}.roadmap-row{padding-block:18px}.roadmap-note{font-size:14px}}