:root{--bg:#030e28;--bg2:#071735;--surface:#fff;--soft:#f1f6fc;--ink:#0c1b35;--muted:#5d6e89;--line:#dce6f2;--cyan:#22d3ee;--green:#14f195;--violet:#a855f7;--gold:#facc15;--radius:22px;--shadow:0 18px 55px rgba(10,31,67,.12);--container:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:#fff;color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;font-size:16px;line-height:1.65;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}.narrow{width:min(900px,calc(100% - 40px));margin:0 auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:12px;top:-80px;z-index:1000;background:#fff;color:#031328;padding:12px 18px;border-radius:12px;font-weight:800}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:80;background:rgba(3,14,40,.92);backdrop-filter:blur(15px);border-bottom:1px solid rgba(255,255,255,.1)}.header-row{min-height:74px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;flex:none}.brand img{display:block}.primary-nav{display:flex;align-items:center;gap:20px;margin-left:auto;color:#dbeafe;font-size:14px;font-weight:700}.primary-nav a{padding:26px 0;position:relative}.primary-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:18px;height:2px;background:linear-gradient(90deg,var(--green),var(--cyan));transition:.2s}.primary-nav a:hover:after,.primary-nav a:focus:after{right:0}.header-search{display:flex;width:160px;border:1px solid rgba(255,255,255,.18);border-radius:999px;overflow:hidden;background:rgba(255,255,255,.06)}.header-search input{min-width:0;width:100%;border:0;background:transparent;color:#fff;padding:9px 2px 9px 13px;outline:0}.header-search input::placeholder{color:#9badca}.header-search button{width:38px;border:0;color:#fff;background:transparent;cursor:pointer;font-size:20px}.menu-button{display:none}.build-banner{background:#facc15;color:#102044;text-align:center;padding:7px 16px;font-size:13px;font-weight:700}.build-banner a{text-decoration:underline}.hero{position:relative;min-height:680px;background:#03102c;color:#fff;overflow:hidden;display:flex;align-items:center}.hero-media,.hero-media img{position:absolute;inset:0;width:100%;height:100%;display:block}.hero-media img{object-fit:cover;object-position:center}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,10,31,.05) 0%,rgba(2,10,31,.08) 37%,rgba(2,10,31,.63) 55%,rgba(2,10,31,.98) 100%),linear-gradient(0deg,rgba(2,10,31,.4),transparent 45%)}.hero-inner{position:relative;z-index:2;display:flex;justify-content:flex-end}.hero-copy{width:min(610px,48%);padding:70px 0 80px}.eyebrow{display:inline-flex;align-items:center;gap:9px;color:#a7f3d0;text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:900}.eyebrow:before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--green),var(--cyan))}.eyebrow.dark{color:#0f766e}.hero h1,.page-hero h1,.article-head h1,.not-found h1{margin:18px 0 20px;font-size:clamp(42px,5vw,72px);line-height:1.02;letter-spacing:-.045em}.hero p{font-size:20px;color:#cad8ee;line-height:1.55;margin:0 0 30px;max-width:590px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 20px;border-radius:13px;border:1px solid transparent;font-weight:850;line-height:1.2;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}.button:hover{transform:translateY(-2px)}.button.primary{background:linear-gradient(135deg,var(--green),var(--cyan));color:#03142b;box-shadow:0 10px 30px rgba(20,241,149,.22)}.button.ghost{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.07);color:#fff}.button.ghost.dark{border-color:#b8c8dd;color:#153153;background:#fff}.button.light{background:#fff;color:#072047}.hero-facts{display:flex;gap:30px;margin-top:38px;color:#b8c7e2}.hero-facts span{display:flex;align-items:baseline;gap:7px}.hero-facts b{font-size:25px;color:#fff}.section{padding:88px 0}.section.soft{background:var(--soft)}.section-head{max-width:760px;margin-bottom:36px}.section-head.row{max-width:none;display:flex;justify-content:space-between;align-items:end;gap:24px}.section-head h2{font-size:clamp(32px,4vw,50px);line-height:1.12;letter-spacing:-.035em;margin:13px 0 8px}.section-head p{color:var(--muted);font-size:18px;margin:0}.text-link{font-weight:800;color:#0f766e;white-space:nowrap}.audience-section{background:#fff}.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.audience-card{padding:27px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.2s;min-height:225px}.audience-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#9dddec}.audience-card>span{display:inline-grid;place-items:center;width:44px;height:32px;border-radius:999px;background:#eafbf8;color:#0f766e;font-weight:900;font-size:13px}.audience-card h3{font-size:22px;margin:20px 0 8px}.audience-card p{margin:0;color:var(--muted)}.sections-section{background:#061432;color:#fff}.sections-section .eyebrow.dark{color:#7dd3fc}.sections-section .section-head p{color:#aebfdb}.sections-section .text-link{color:#a7f3d0}.section-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.section-card{display:flex;gap:17px;align-items:flex-start;padding:22px;border-radius:20px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.055);transition:.2s}.section-card:hover{background:rgba(255,255,255,.09);transform:translateY(-3px);border-color:color-mix(in srgb,var(--accent) 60%,white 10%)}.section-icon{display:grid;place-items:center;flex:none;width:50px;height:50px;border-radius:15px;background:color-mix(in srgb,var(--accent) 18%,transparent);border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);color:var(--accent);font-weight:900}.section-card h3{font-size:18px;line-height:1.25;margin:0 0 7px}.section-card p{color:#aebfdb;font-size:14px;line-height:1.5;margin:0 0 10px}.section-card small{color:var(--accent);font-weight:800}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article-card{border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden;transition:.2s}.article-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}.article-card>a{display:flex;flex-direction:column;height:100%;padding:25px}.card-kicker{color:#0f766e;font-weight:800;font-size:12px;text-transform:uppercase;letter-spacing:.06em}.article-card h3{font-size:20px;line-height:1.3;margin:11px 0 10px}.article-card p{color:var(--muted);font-size:15px;margin:0 0 18px}.card-more{margin-top:auto;font-weight:800;color:#0f766e}.safety-section{padding-top:30px}.safety-box{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;padding:30px;background:linear-gradient(135deg,#06204a,#0b2d58);color:#fff;border-radius:28px;box-shadow:0 24px 70px rgba(2,21,58,.2)}.safety-mark{display:grid;place-items:center;width:60px;height:60px;border-radius:50%;background:#facc15;color:#082049;font-size:32px;font-weight:900}.safety-box h2{font-size:27px;margin:0 0 4px}.safety-box p{margin:0;color:#cbd9ed}.page-hero,.article-head{background:radial-gradient(circle at 15% 10%,#103c75 0,transparent 38%),linear-gradient(135deg,#020c24,#071b3e);color:#fff}.page-hero.compact{padding:76px 0 70px}.page-hero h1,.article-head h1{font-size:clamp(40px,5vw,66px);max-width:1020px}.page-hero p{font-size:19px;color:#c9d8ee;max-width:820px}.page-meta,.article-meta{display:flex;gap:10px 20px;flex-wrap:wrap;color:#aebfdb;font-size:14px;margin-top:25px}.page-meta span,.article-meta span{display:inline-flex;align-items:center}.page-meta span:before,.article-meta span:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:8px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:7px;align-items:center;color:#b5c7e4;font-size:13px;margin-bottom:20px}.breadcrumbs a:hover{text-decoration:underline;color:#fff}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:60px;align-items:start}.side-panel,.notice,.side-related,.toc{border:1px solid var(--line);border-radius:18px;background:#fff;padding:20px}.side-panel{position:sticky;top:112px}.side-panel h2,.side-related h2{font-size:16px;margin:0 0 12px}.side-panel a,.side-related a{display:block;padding:10px 0;border-top:1px solid #edf2f7;font-size:14px;font-weight:700;color:#29466e}.side-panel a:first-of-type,.side-related a:first-of-type{border-top:0}.subhub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.subhub-grid>a{padding:24px;background:#fff;border:1px solid var(--line);border-radius:20px}.subhub-grid h3{font-size:20px;line-height:1.3;margin:0 0 8px}.subhub-grid p{color:var(--muted);font-size:14px}.subhub-grid small{color:#0f766e;font-weight:800}.article-head{padding:68px 0 62px}.article-head .lead{font-size:21px;color:#cfddf2;max-width:820px}.article-shell{padding:60px 0 86px}.article-layout{display:grid;grid-template-columns:210px minmax(0,760px) 230px;gap:38px;align-items:start;justify-content:center}.toc-wrap,.article-side{position:sticky;top:105px}.toc{font-size:13px;max-height:calc(100vh - 130px);overflow:auto}.toc strong{display:block;font-size:14px;margin-bottom:9px}.toc a{display:block;padding:5px 0;color:#536a8c;line-height:1.35}.toc a.is-h3{padding-left:13px;font-size:12px}.toc a:hover,.toc a.active{color:#0f766e}.notice{background:#fffbea;border-color:#fde68a}.notice strong{color:#854d0e}.notice p{font-size:13px;color:#713f12;margin:7px 0 0}.side-related{margin-top:18px}.prose{font-size:17px;line-height:1.78;min-width:0}.prose h1{display:none}.prose h2{font-size:31px;line-height:1.2;letter-spacing:-.025em;margin:54px 0 18px;color:#0a244a}.prose h2:first-child{margin-top:0}.prose h3{font-size:23px;line-height:1.3;margin:38px 0 13px;color:#15365f}.prose h4{font-size:19px;margin:30px 0 10px}.prose p{margin:0 0 20px}.prose a{color:#087e76;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.prose strong{color:#0b2549}.prose ul,.prose ol{padding-left:25px;margin:0 0 22px}.prose li{margin:7px 0}.prose blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--cyan);background:#eefaff;border-radius:0 14px 14px 0;color:#254c6f}.prose code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em;background:#eef3f9;padding:.15em .35em;border-radius:5px}.prose pre{position:relative;overflow:auto;background:#06142d;color:#dceaff;border:1px solid #18345d;border-radius:16px;padding:19px;margin:24px 0;font-size:14px;line-height:1.55}.prose pre code{background:transparent;color:inherit;padding:0}.prose table{width:100%;border-collapse:separate;border-spacing:0;margin:26px 0;font-size:14px;border:1px solid var(--line);border-radius:14px;overflow:hidden}.prose th,.prose td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}.prose th{background:#eef4fb}.prose tr:last-child td{border-bottom:0}.prose img{border-radius:16px}.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0}.hub-prose{max-width:800px}.catalog-search{display:flex;gap:10px;max-width:720px;margin-top:28px}.catalog-search input{min-width:0;flex:1;padding:14px 17px;border-radius:13px;border:1px solid rgba(255,255,255,.27);background:rgba(255,255,255,.1);color:#fff;outline:none}.catalog-search input::placeholder{color:#b9c8de}.catalog-roots{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.catalog-roots>a{display:flex;gap:20px;border:1px solid var(--line);border-radius:22px;padding:25px;background:#fff}.catalog-roots>a>span{display:grid;place-items:center;width:56px;height:56px;flex:none;border-radius:17px;background:#061b3d;color:#a7f3d0;font-weight:900}.catalog-roots h2{font-size:21px;line-height:1.25;margin:0 0 7px}.catalog-roots p{color:var(--muted);font-size:14px;margin:0 0 10px}.catalog-roots small{color:#0f766e;font-weight:800}.search-results{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.empty-state,.not-found{text-align:center}.empty-state{padding:60px;border:1px solid var(--line);border-radius:24px;background:var(--soft)}.empty-state h2{font-size:30px;margin:15px 0 5px}.not-found{padding:110px 0;background:radial-gradient(circle at center,#0c3970,#030e28 65%);color:#fff;min-height:70vh}.not-found p{font-size:19px;color:#c9d8ee;max-width:660px;margin:0 auto 28px}.not-found .hero-actions{justify-content:center}.site-footer{background:#020a1d;color:#b8c8e1;padding:62px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px}.footer-grid p{max-width:540px}.footer-grid h2{font-size:15px;color:#fff;text-transform:uppercase;letter-spacing:.08em}.footer-grid a{display:block;padding:4px 0}.footer-grid a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:46px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);font-size:13px}.copy-code{position:absolute;right:8px;top:8px;border:1px solid #37547d;background:#11294e;color:#dceaff;border-radius:8px;padding:6px 9px;font-size:12px;cursor:pointer}
@media(max-width:1120px){.primary-nav{gap:13px}.primary-nav a:nth-child(5),.primary-nav a:nth-child(6){display:none}.header-search{width:130px}.article-layout{grid-template-columns:180px minmax(0,700px)}.article-side{display:none}.section-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.container,.narrow{width:min(100% - 28px,var(--container))}.site-header{position:sticky}.header-row{min-height:66px}.brand img{width:190px}.menu-button{margin-left:auto;display:flex;align-items:center;gap:4px;flex-direction:column;width:48px;height:42px;border:0;background:transparent;color:#fff;padding:8px;cursor:pointer}.menu-button span{width:23px;height:2px;background:#fff}.menu-button b{font-size:9px;line-height:1;margin-top:3px}.primary-nav{display:none;position:absolute;left:0;right:0;top:66px;background:#061432;border-top:1px solid rgba(255,255,255,.1);padding:15px 20px 20px;flex-direction:column;align-items:stretch;gap:0}.primary-nav.open{display:flex}.primary-nav a,.primary-nav a:nth-child(5),.primary-nav a:nth-child(6){display:block;padding:11px;border-bottom:1px solid rgba(255,255,255,.08)}.primary-nav a:after{display:none}.header-search{display:none}.hero{min-height:650px;align-items:flex-end}.hero-media img{object-position:center top}.hero-overlay{background:linear-gradient(0deg,rgba(2,10,31,.98) 0%,rgba(2,10,31,.72) 45%,rgba(2,10,31,.06) 75%),linear-gradient(90deg,rgba(2,10,31,.05),rgba(2,10,31,.25))}.hero-inner{justify-content:center}.hero-copy{width:100%;padding:330px 0 45px;text-align:left}.hero h1{font-size:43px}.hero p{font-size:17px}.hero-facts{gap:18px}.audience-grid,.article-grid,.subhub-grid{grid-template-columns:repeat(2,1fr)}.content-layout{grid-template-columns:1fr}.side-panel{position:static}.article-layout{grid-template-columns:minmax(0,760px)}.toc-wrap{position:static}.toc{max-height:none;margin-bottom:22px}.section{padding:65px 0}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.catalog-roots{grid-template-columns:1fr}}
@media(max-width:560px){body{font-size:15px}.build-banner{font-size:11px}.brand img{width:175px}.hero{min-height:690px}.hero-copy{padding-top:370px}.hero h1{font-size:38px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-facts{justify-content:space-between;gap:7px;font-size:12px}.hero-facts b{font-size:20px}.section{padding:54px 0}.section-head.row{align-items:flex-start;flex-direction:column}.section-head h2{font-size:34px}.audience-grid,.section-grid,.article-grid,.subhub-grid,.search-results{grid-template-columns:1fr}.audience-card{min-height:0}.section-card{padding:19px}.safety-box{grid-template-columns:1fr;text-align:left}.page-hero.compact,.article-head{padding:52px 0 48px}.page-hero h1,.article-head h1{font-size:38px}.article-head .lead{font-size:17px}.article-shell{padding:40px 0 60px}.article-layout{gap:20px}.prose{font-size:16px;line-height:1.72}.prose h2{font-size:27px;margin-top:44px}.prose h3{font-size:21px}.prose table{display:block;overflow-x:auto}.catalog-search{display:grid}.catalog-roots>a{padding:20px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column}.not-found{padding:80px 0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
.preview-toolbar{position:sticky;top:0;z-index:200;display:flex;align-items:center;gap:15px;padding:9px 18px;background:#facc15;color:#102044;font-size:13px;font-weight:700}.preview-toolbar a{text-decoration:underline}.preview-toolbar+ .skip-link{top:-80px}.preview-toolbar~.site-header{top:39px}

/* Stage 2 — editorial polish, article navigation and preview-ready interface */
:root{--container:1320px;--article-width:820px;--header-width:1460px}
body{font-size:17px;line-height:1.68}
.container.header-container{width:min(var(--header-width),calc(100% - 48px))}
.site-header{background:rgba(3,14,40,.965);box-shadow:0 8px 28px rgba(2,10,31,.14)}
.header-row{min-height:82px;gap:28px}
.brand img{width:232px;height:auto}
.primary-nav{gap:24px;font-size:15px}
.primary-nav>a{padding:29px 0}
.primary-nav>a:after{bottom:20px}
.header-search{width:210px;min-height:42px}
.header-search input{padding-left:16px;font-size:14px}
.header-search button{width:44px}
.nav-more{position:relative;display:flex;align-items:center}
.nav-more>button{border:0;background:transparent;color:#dbeafe;font-weight:800;padding:29px 0;cursor:pointer;white-space:nowrap}
.nav-more>button span{display:inline-block;margin-left:4px;transition:transform .18s}
.nav-more.open>button span{transform:rotate(180deg)}
.nav-dropdown{display:none;position:absolute;right:-18px;top:68px;width:255px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 22px 70px rgba(1,12,35,.3);color:#153153}
.nav-more.open .nav-dropdown{display:block}
.nav-dropdown a{display:block;padding:10px 12px;border-radius:9px;font-size:14px;font-weight:750}
.nav-dropdown a:hover,.nav-dropdown a:focus{background:#eef7fb;color:#087e76}
.nav-dropdown .nav-dropdown-all{margin-top:6px;border-top:1px solid var(--line);border-radius:0;padding-top:14px;color:#0f766e}
.build-banner{display:flex;justify-content:center;align-items:center;gap:16px;padding:5px 16px;font-size:12px;line-height:1.35}
.build-banner a{font-weight:900}
.hero{min-height:660px}
.hero-copy{width:min(620px,49%);padding:74px 0 82px}
.hero h1{max-width:610px}
.audience-card{display:flex;flex-direction:column;min-height:218px;position:relative;overflow:hidden}
.audience-card:after{content:"→";position:absolute;right:24px;bottom:20px;color:#0f766e;font-weight:900;font-size:21px;transition:transform .18s}
.audience-card:hover:after{transform:translateX(4px)}
.audience-card p{padding-right:26px}
.article-card>a{padding:27px}
.article-card h3{font-size:21px}
.article-card p{font-size:15px;line-height:1.62}
.card-footer{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:auto;padding-top:8px;color:#0f766e}
.card-footer small{color:#74859f;font-weight:700}
.card-footer b{font-size:14px}
.card-more{display:none}
.section-count{color:#70829e;font-weight:800;font-size:14px}

/* Article header */
.article-head{position:relative;overflow:hidden;padding:72px 0 68px;background:radial-gradient(circle at 85% 10%,rgba(34,211,238,.16),transparent 31%),radial-gradient(circle at 12% 90%,rgba(20,241,149,.09),transparent 28%),linear-gradient(135deg,#05142f,#071d42 60%,#03102a);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.article-head:after{content:"";position:absolute;right:-150px;bottom:-210px;width:650px;height:420px;border-radius:50%;border:1px solid rgba(34,211,238,.12);box-shadow:0 0 100px rgba(34,211,238,.09)}
.article-head-inner{position:relative;z-index:1;max-width:1120px;margin:0 auto}
.article-head h1{max-width:1020px;font-size:clamp(42px,4.5vw,68px);line-height:1.05;margin:20px 0 22px}
.article-head .lead{font-size:21px;line-height:1.62;color:#d2def0;max-width:900px;margin:0}
.article-kicker-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.article-type{display:inline-flex;align-items:center;padding:6px 10px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);border-radius:999px;color:#cfe2f7;font-size:12px;font-weight:800}
.article-meta{gap:10px;margin-top:30px;color:#d6e2f3}
.article-meta span{min-height:34px;padding:6px 11px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.055);border-radius:999px;font-size:13px}
.article-meta span:before{display:none}
.article-meta b{color:#fff;margin-left:4px}
.reading-progress{position:fixed;left:0;right:0;top:82px;height:3px;z-index:95;background:transparent;pointer-events:none}
.reading-progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--green),var(--cyan),var(--violet));box-shadow:0 0 12px rgba(34,211,238,.65)}
.preview-toolbar~.site-header+.build-banner+.reading-progress,.preview-toolbar~main .reading-progress{top:121px}

/* Article body */
.article-shell{padding:58px 0 78px;background:linear-gradient(180deg,#fbfdff,#fff 180px)}
.article-layout{grid-template-columns:205px minmax(0,var(--article-width)) 270px;gap:34px;max-width:1375px;margin:0 auto;justify-content:center}
.toc-wrap,.article-side{top:112px}
.toc-wrap{position:sticky}
.toc{padding:18px 16px;border-radius:16px;background:#f8fbff;box-shadow:none;max-height:calc(100vh - 140px)}
.toc strong{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:#26486f;margin:0 0 10px}
.toc nav{display:block}
.toc a{position:relative;padding:6px 6px 6px 13px;color:#607493;font-size:13px;border-left:2px solid #dce7f2}
.toc a.is-h3{padding-left:22px;font-size:12px}
.toc a:hover,.toc a.active{color:#0c766f;border-left-color:var(--green);background:#effbf8;border-radius:0 8px 8px 0}
.toc-toggle{display:none;width:100%;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:13px;background:#fff;color:#183a63;padding:13px 15px;font-weight:850}
.prose{font-size:18px;line-height:1.82;color:#172b47}
.prose>p:first-of-type{font-size:19px;color:#29435f}
.prose h2{font-size:34px;line-height:1.18;letter-spacing:-.028em;margin:58px 0 19px;color:#09254e;scroll-margin-top:120px}
.prose h3{font-size:25px;line-height:1.27;margin:40px 0 14px;color:#133b69;scroll-margin-top:120px}
.prose h4{font-size:20px;line-height:1.35;color:#234b74}
.prose p{margin-bottom:22px}
.prose ul,.prose ol{padding-left:28px;margin-bottom:24px}
.prose li{margin:9px 0;padding-left:3px}
.prose li::marker{color:#0f8f80;font-weight:800}
.prose blockquote{padding:20px 24px;margin:30px 0;border-left:4px solid var(--cyan);background:linear-gradient(135deg,#effaff,#f7fcff);box-shadow:0 8px 24px rgba(13,74,115,.06)}
.prose pre{padding:25px 20px 20px;border-radius:18px;font-size:14px;box-shadow:0 16px 36px rgba(4,20,47,.12)}
.prose code{overflow-wrap:anywhere}
.prose .table-scroll{overflow-x:auto;margin:28px 0;border:1px solid var(--line);border-radius:16px;background:#fff;-webkit-overflow-scrolling:touch}
.prose .table-scroll table{margin:0;border:0;border-radius:0;min-width:620px}
.prose table{font-size:15px}
.prose th,.prose td{padding:14px 15px}
.prose th{background:#edf5fb;color:#15375f}
.prose a[href^="http"]:after{content:"↗";font-size:.72em;margin-left:3px;vertical-align:top;text-decoration:none}
.prose img{box-shadow:0 16px 42px rgba(12,42,82,.12)}
.copy-code{right:10px;top:10px;padding:7px 10px;background:#17345e}
.article-side{position:sticky}
.parent-back{display:block;padding:17px 18px;margin-bottom:16px;border:1px solid #cfe0ee;border-radius:17px;background:linear-gradient(135deg,#f5fbff,#fff);color:#17385e}
.parent-back span{display:block;color:#0f766e;text-transform:uppercase;letter-spacing:.08em;font-size:10px;font-weight:900;margin-bottom:5px}
.parent-back b{display:block;font-size:14px;line-height:1.35}
.notice{padding:18px;border-radius:17px;background:#fff9e7;border-color:#f8dc85}
.notice strong{font-size:14px}
.notice p{font-size:13px;line-height:1.55}
.side-related{padding:18px;margin-top:16px}
.side-related h2{font-size:14px;text-transform:uppercase;letter-spacing:.07em;color:#2c4e73}
.side-related a{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;padding:12px 0;font-size:13px;line-height:1.42}
.side-related a b{color:#0f766e}
.article-finish{padding:0 0 66px;background:#fff}
.article-finish-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;max-width:1120px;padding:24px 28px;border:1px solid var(--line);border-radius:20px;background:#f7fbff}
.article-finish-inner div{display:flex;flex-direction:column;gap:4px;color:#60738e;font-size:13px}
.article-finish-inner b{color:#1d3c62}
.back-to-top{position:fixed;right:22px;bottom:24px;z-index:60;display:grid;place-items:center;width:46px;height:46px;border:1px solid #c7d9e8;border-radius:50%;background:#fff;color:#0b315d;font-size:22px;box-shadow:0 12px 34px rgba(5,25,54,.18);opacity:0;visibility:hidden;transform:translateY(10px);transition:.18s;cursor:pointer}
.back-to-top.visible{opacity:1;visibility:visible;transform:none}

/* Category and hub pages */
.page-hero.compact{padding:72px 0 64px;background:radial-gradient(circle at 80% 15%,rgba(34,211,238,.12),transparent 30%),linear-gradient(135deg,#061633,#092957);color:#fff}
.page-hero.compact h1{max-width:980px;font-size:clamp(42px,4.6vw,66px)}
.page-hero.compact>div>p{max-width:860px;font-size:20px;line-height:1.6;color:#cfddf0}
.page-meta{gap:10px;margin-top:26px}
.page-meta span{padding:7px 11px;border:1px solid rgba(255,255,255,.13);border-radius:999px;background:rgba(255,255,255,.055);font-size:13px}
.page-meta span:before{display:none}
.page-meta b{color:#fff;margin-right:4px}
.content-layout{grid-template-columns:minmax(0,var(--article-width)) 300px;gap:58px;justify-content:center;max-width:1240px;margin:0 auto}
.hub-prose{max-width:none}
.side-panel.hub-navigation{padding:0;border:0;background:transparent;display:grid;gap:16px}
.hub-child-links,.hub-toc{padding:19px;border:1px solid var(--line);border-radius:18px;background:#fff}
.hub-child-links h2,.hub-toc h2{font-size:14px;text-transform:uppercase;letter-spacing:.07em;color:#2b4d72;margin:0 0 10px}
.hub-child-links a{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;padding:11px 0;border-top:1px solid #edf2f7;font-size:13px;line-height:1.42;color:#29466e;font-weight:750}
.hub-child-links a:first-of-type{border-top:0}
.hub-child-links a b{color:#0f766e}
.hub-toc [data-toc-list] a{display:block;padding:6px 0;color:#5f7392;font-size:13px;line-height:1.4}
.hub-toc [data-toc-list] a.is-h3{padding-left:12px;font-size:12px}
.hub-toc [data-toc-list] a.active,.hub-toc [data-toc-list] a:hover{color:#0f766e}

@media(max-width:1260px){
  .container.header-container{width:min(100% - 34px,var(--header-width))}
  .primary-nav{gap:17px;font-size:14px}
  .header-search{width:175px}
  .article-layout{grid-template-columns:185px minmax(0,760px) 245px;gap:26px}
  .content-layout{grid-template-columns:minmax(0,760px) 280px;gap:38px}
}
@media(max-width:1080px){
  .primary-nav>a:nth-of-type(4),.primary-nav>a:nth-of-type(5){display:none}
  .article-layout{grid-template-columns:180px minmax(0,760px);max-width:1010px}
  .article-side{display:none}
  .content-layout{grid-template-columns:minmax(0,760px) 260px;gap:30px}
}
@media(max-width:860px){
  body{font-size:16px}
  .container.header-container{width:min(100% - 24px,var(--header-width))}
  .header-row{min-height:68px}
  .brand img{width:198px}
  .primary-nav{top:68px}
  .primary-nav .nav-more{display:block}
  .nav-more>button{width:100%;padding:11px;text-align:left;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-dropdown{position:static;display:none;width:100%;padding:4px 0 8px;background:transparent;border:0;box-shadow:none;color:#dbeafe}
  .nav-more.open .nav-dropdown{display:block}
  .nav-dropdown a{padding:9px 20px;font-size:13px}
  .nav-dropdown a:hover{background:rgba(255,255,255,.07);color:#fff}
  .build-banner{justify-content:space-between;font-size:11px}
  .reading-progress{top:68px}
  .article-head{padding:56px 0 52px}
  .article-head-inner{max-width:none}
  .article-head h1{font-size:42px}
  .article-head .lead{font-size:18px}
  .article-meta span{font-size:12px}
  .article-shell{padding:34px 0 62px}
  .article-layout{display:flex;flex-direction:column;max-width:820px;gap:22px}
  .toc-wrap{position:static;width:100%;order:0}
  .toc-toggle{display:flex}
  .toc{display:none;max-height:none;margin-top:8px}
  .toc-wrap.toc-open .toc{display:block}
  .article-body{order:1;width:100%}
  .prose{font-size:17px;line-height:1.78}
  .prose h2{font-size:31px;margin-top:50px}
  .prose h3{font-size:23px}
  .article-finish-inner{max-width:820px}
  .content-layout{display:flex;flex-direction:column;max-width:820px;gap:28px}
  .side-panel.hub-navigation{position:static;width:100%;order:-1;grid-template-columns:1fr 1fr}
  .hub-prose{width:100%}
}
@media(max-width:560px){
  .header-row{min-height:64px}
  .brand img{width:178px}
  .primary-nav{top:64px}
  .build-banner span{max-width:70%}
  .hero{min-height:670px}
  .hero-copy{padding-bottom:42px}
  .hero h1{font-size:39px}
  .article-head{padding:44px 0 42px}
  .article-head h1{font-size:36px;line-height:1.08;margin-top:16px}
  .article-head .lead{font-size:17px;line-height:1.55}
  .article-kicker-row{gap:9px}
  .article-type{font-size:11px}
  .article-meta{margin-top:22px}
  .article-meta span{min-height:31px;padding:5px 9px}
  .prose{font-size:16.5px;line-height:1.76}
  .prose>p:first-of-type{font-size:17px}
  .prose h2{font-size:28px;margin-top:45px}
  .prose h3{font-size:22px}
  .prose blockquote{padding:17px 18px}
  .article-finish{padding-bottom:48px}
  .article-finish-inner{align-items:flex-start;flex-direction:column;padding:20px}
  .back-to-top{right:14px;bottom:16px;width:42px;height:42px}
  .page-hero.compact{padding:46px 0 44px}
  .page-hero.compact h1{font-size:37px}
  .page-hero.compact>div>p{font-size:17px}
  .side-panel.hub-navigation{grid-template-columns:1fr}
  .article-card>a{padding:22px}
}

/* Stage 3: catalog, pagination, accessibility and resilient layout */
:where(a,button,input,select,textarea):focus-visible{outline:3px solid rgba(34,211,238,.55);outline-offset:3px}
:where(h1,h2,h3,h4,p,a,li,td,th){overflow-wrap:anywhere}
.catalog-roots h3{font-size:21px;line-height:1.25;margin:0 0 7px}
.catalog-map{padding-bottom:62px}
.catalog-list{padding-top:70px}
.catalog-list-head{align-items:flex-end}
.list-range{margin:8px 0 0!important;color:var(--muted);font-size:15px!important}
.section-filter{display:grid;grid-template-columns:minmax(190px,260px) auto;gap:9px;align-items:end;min-width:390px}
.section-filter label{grid-column:1/-1;color:#506783;font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:.07em}
.section-filter select{height:48px;border:1px solid #cbd9e7;border-radius:12px;background:#fff;color:#153153;padding:0 40px 0 14px;font:inherit;font-weight:700}
.pagination{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;margin:38px 0 0;padding:18px 0 0;border-top:1px solid var(--line)}
.pagination>a,.pagination>span.disabled,.pagination-pages a,.pagination-pages span{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:8px 13px;border:1px solid #cad9e8;border-radius:11px;background:#fff;color:#1c416b;font-weight:800;font-size:14px}
.pagination-next{justify-self:end}.pagination-prev{justify-self:start}.pagination .disabled{opacity:.45;cursor:not-allowed}
.pagination-pages{display:flex;align-items:center;justify-content:center;gap:7px}
.pagination-pages a,.pagination-pages span{min-width:42px;padding-left:10px;padding-right:10px}
.pagination-pages span[aria-current="page"]{border-color:#0fae9c;background:#e9fbf7;color:#08776e}
.pagination-pages i{color:#75869d;font-style:normal}
.article-card a:focus-visible,.audience-card:focus-visible,.section-card:focus-visible,.catalog-roots>a:focus-visible,.subhub-grid>a:focus-visible{outline-offset:-3px}
@supports not (backdrop-filter:blur(1px)){.site-header{background:#030e28}}
@media(max-width:860px){
  .catalog-list-head{align-items:stretch}
  .section-filter{min-width:0;width:100%}
  .pagination{grid-template-columns:1fr 1fr}
  .pagination-pages{grid-column:1/-1;grid-row:1}
  .pagination-prev{grid-column:1}.pagination-next{grid-column:2}
}
@media(max-width:560px){
  .section-filter{grid-template-columns:1fr}
  .section-filter label{grid-column:auto}
  .pagination{gap:10px}
  .pagination>a,.pagination>span.disabled{font-size:12px;padding:8px 10px}
  .pagination-pages{gap:4px;overflow-x:auto;justify-content:flex-start;padding-bottom:4px}
  .pagination-pages a,.pagination-pages span{min-width:38px;min-height:38px;font-size:12px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}
@media print{
  .site-header,.build-banner,.preview-toolbar,.article-side,.toc-wrap,.article-finish,.recommended-section,.site-footer,.back-to-top,.reading-progress,.copy-code{display:none!important}
  body{font-size:12pt;color:#000;background:#fff}.container{width:100%;max-width:none}.article-head{padding:0 0 20px;background:#fff;color:#000}.article-head .lead,.article-meta,.breadcrumbs{color:#333}.article-shell{padding:0}.article-layout{display:block;max-width:none}.prose{font-size:11.5pt;line-height:1.55;color:#000}.prose a{color:#000;text-decoration:underline}.prose a[href^="http"]:after{content:" (" attr(href) ")";font-size:9pt}.prose pre{white-space:pre-wrap;color:#000;background:#f4f4f4;border-color:#ccc;box-shadow:none}.prose table{font-size:9.5pt}
}

/* Stage 3 navigation state and mobile search */
.primary-nav>a.active{color:#fff}.primary-nav>a.active:after{right:0}.nav-more.active>button{color:#fff}.nav-more.active>button:after{content:"";display:block;height:2px;margin-top:5px;background:linear-gradient(90deg,var(--green),var(--cyan))}.mobile-nav-search{display:none}
@media(max-width:860px){
  .primary-nav>a.active{background:rgba(20,241,149,.08);color:#a7f3d0}
  .nav-more.active>button:after{display:none}
  .mobile-nav-search{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;margin-top:13px;padding:11px 0 0;border-top:1px solid rgba(255,255,255,.1)}
  .mobile-nav-search input{min-width:0;height:44px;border:1px solid rgba(255,255,255,.2);border-radius:11px;background:rgba(255,255,255,.07);color:#fff;padding:0 13px}
  .mobile-nav-search input::placeholder{color:#aabbd3}
  .mobile-nav-search button{border:0;border-radius:11px;background:linear-gradient(135deg,var(--green),var(--cyan));color:#03142b;padding:0 16px;font-weight:850}
}

/* Stage 4 — final visual system, navigation repair and branded cards */
.primary-nav>a{position:relative}
.primary-nav>a:after{content:""}
.nav-dropdown a:after{content:none!important;display:none!important}
.nav-more>button{position:relative;display:flex;align-items:center;gap:4px}
.nav-more.active>button:after{content:"";position:absolute;left:0;right:0;bottom:20px;height:2px;margin:0;background:linear-gradient(90deg,var(--green),var(--cyan));border-radius:3px}
.nav-dropdown{right:-22px;top:72px;width:286px;padding:12px;border-radius:18px;border-color:#d7e4f0;box-shadow:0 24px 80px rgba(1,12,35,.34);overflow:hidden}
.nav-dropdown:before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--green),var(--cyan),var(--violet))}
.nav-dropdown-title{display:block;padding:5px 10px 8px;color:#73849c;font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.11em}
.nav-dropdown a{display:flex;align-items:center;gap:11px;min-height:44px;padding:7px 10px;border:0;border-radius:11px;line-height:1.25;color:#17385e;transition:background .16s,color .16s,transform .16s}
.nav-dropdown a:hover,.nav-dropdown a:focus{background:linear-gradient(90deg,#edfafa,#f4f8ff);color:#08776e;transform:translateX(2px)}
.nav-dropdown-icon{display:grid;place-items:center;flex:0 0 30px;width:30px;height:30px;border-radius:9px;background:#edf5fb;color:#274d76;font-size:13px;font-weight:900}
.nav-dropdown-icon.is-staking{background:#fff8db;color:#9a6a00}.nav-dropdown-icon.is-defi{background:#f4edff;color:#7043b8}.nav-dropdown-icon.is-validators{background:#e9fbf4;color:#087758}.nav-dropdown-icon.is-startups{background:#fff0e7;color:#c14e0b}.nav-dropdown-icon.is-business{background:#eaf8ff;color:#0870a2}.nav-dropdown-icon.is-glossary{background:#e9fbf8;color:#08776e}
.nav-dropdown .nav-dropdown-all{display:flex;justify-content:space-between;margin-top:8px;padding:13px 10px 7px;border-top:1px solid var(--line);border-radius:0;color:#08776e;font-weight:900}
.nav-dropdown .nav-dropdown-all:hover{background:transparent;transform:none;color:#045f59}
.header-search{transition:border-color .16s,background .16s,box-shadow .16s}
.header-search:focus-within{border-color:rgba(34,211,238,.62);background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(34,211,238,.12)}
.build-banner{background:linear-gradient(90deg,#facc15,#fde047 48%,#facc15);box-shadow:inset 0 -1px rgba(94,69,0,.15)}

.audience-card{isolation:isolate;border-color:#d8e5f1;background:linear-gradient(145deg,#fff 0%,#fff 67%,#f4fbff 100%)}
.audience-card:before{content:"";position:absolute;z-index:-1;right:-54px;top:-54px;width:130px;height:130px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.13),rgba(34,211,238,0) 70%)}
.audience-card>span{box-shadow:inset 0 0 0 1px rgba(15,118,110,.09)}
.audience-card:hover{border-color:#8ed9e4;box-shadow:0 20px 55px rgba(18,62,105,.13)}

.sections-section{position:relative;overflow:hidden;background:radial-gradient(circle at 8% 0%,rgba(34,211,238,.12),transparent 28%),radial-gradient(circle at 92% 100%,rgba(168,85,247,.1),transparent 28%),#061432}
.sections-section:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 82%);pointer-events:none}
.sections-section>.container{position:relative}
.section-card{position:relative;overflow:hidden;min-height:190px;background:linear-gradient(145deg,rgba(255,255,255,.075),rgba(255,255,255,.035));box-shadow:inset 0 1px rgba(255,255,255,.035)}
.section-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);opacity:.78}
.section-card:hover{background:linear-gradient(145deg,rgba(255,255,255,.11),rgba(255,255,255,.055));box-shadow:0 18px 45px rgba(0,0,0,.16)}
.section-icon{background:rgba(7,29,63,.72);border-color:var(--accent);box-shadow:0 10px 30px rgba(0,0,0,.15)}

.article-card{position:relative;border-color:#d8e4ef;background:linear-gradient(180deg,#fff,#fbfdff);box-shadow:0 1px 0 rgba(16,54,93,.03)}
.article-card:before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--card-accent,#22d3ee);opacity:.9;transform:scaleX(.34);transform-origin:left;transition:transform .2s}
.article-card:hover:before{transform:scaleX(1)}
.article-card:hover{border-color:#bfd5e7;box-shadow:0 20px 58px rgba(10,43,82,.13)}
.card-heading{display:flex;align-items:center;gap:10px;min-height:34px}
.card-icon{display:grid;place-items:center;flex:0 0 31px;width:31px;height:31px;border-radius:10px;border:1px solid var(--card-accent,#22d3ee);background:#f4f9fd;color:var(--card-accent,#08776e);font-size:11px;font-weight:900}
.card-kicker{line-height:1.35;color:#41617f}
.article-card h3{margin-top:14px;color:#0a2244;letter-spacing:-.012em}
.card-footer{padding-top:14px;border-top:1px solid #edf2f7}
.card-footer b{color:#08776e;transition:transform .16s}
.article-card:hover .card-footer b{transform:translateX(3px)}

.page-hero.compact{position:relative;overflow:hidden;background:radial-gradient(circle at 83% 12%,rgba(34,211,238,.16),transparent 28%),radial-gradient(circle at 8% 90%,rgba(20,241,149,.08),transparent 26%),linear-gradient(135deg,#061633,#092957)}
.page-hero.compact:after{content:"";position:absolute;right:-130px;bottom:-230px;width:590px;height:440px;border:1px solid rgba(34,211,238,.12);border-radius:50%;box-shadow:0 0 90px rgba(34,211,238,.05);pointer-events:none}
.page-hero.compact>.container{position:relative;z-index:1}
.hub-child-links,.hub-toc{box-shadow:0 12px 35px rgba(13,49,87,.065)}
.hub-child-links a,.hub-toc [data-toc-list] a{transition:color .15s,background .15s,padding .15s}
.hub-child-links a:hover{color:#08776e;background:#f2fbf9;padding-left:7px;padding-right:7px;border-radius:8px}
.subhub-grid>a{position:relative;overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s;background:linear-gradient(145deg,#fff,#f8fbff)}
.subhub-grid>a:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(var(--green),var(--cyan))}
.subhub-grid>a:hover{transform:translateY(-3px);border-color:#b7d7e8;box-shadow:0 18px 48px rgba(11,50,91,.1)}

.catalog-roots>a{position:relative;overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s;background:linear-gradient(145deg,#fff,#f8fbff)}
.catalog-roots>a:after{content:"→";position:absolute;right:23px;bottom:19px;color:#08776e;font-weight:900;opacity:0;transform:translateX(-5px);transition:.18s}
.catalog-roots>a:hover{transform:translateY(-3px);border-color:#b7d6e8;box-shadow:0 18px 50px rgba(11,50,91,.1)}
.catalog-roots>a:hover:after{opacity:1;transform:none}
.catalog-roots>a>span{background:linear-gradient(145deg,#061b3d,#0d315d);box-shadow:0 12px 30px rgba(5,27,61,.16)}

.safety-box{position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.safety-box:after{content:"";position:absolute;right:-80px;top:-130px;width:300px;height:300px;border-radius:50%;border:1px solid rgba(34,211,238,.13);pointer-events:none}
.site-footer{position:relative;background:radial-gradient(circle at 15% 0%,rgba(34,211,238,.08),transparent 30%),#020a1d;border-top:1px solid rgba(34,211,238,.12)}
.site-footer:before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--green),var(--cyan),var(--violet),var(--gold))}
.footer-grid h2{color:#a7f3d0}
.footer-grid a{color:#b8c8e1;transition:color .15s,transform .15s}
.footer-grid a:hover{color:#fff;transform:translateX(3px)}

@media(max-width:860px){
  .nav-more.active>button:after{display:none}
  .nav-dropdown-title{color:#7dd3fc;padding-left:20px}
  .nav-dropdown a{color:#dbeafe;border:0;padding:8px 20px}
  .nav-dropdown a:hover,.nav-dropdown a:focus{background:rgba(255,255,255,.07);color:#fff;transform:none}
  .nav-dropdown-icon{background:rgba(255,255,255,.08)!important;color:#dff7ff!important;border:1px solid rgba(255,255,255,.11)}
  .nav-dropdown .nav-dropdown-all{color:#a7f3d0;border-top-color:rgba(255,255,255,.12)}
  .section-card{min-height:0}
}
@media(max-width:560px){
  .card-heading{align-items:flex-start}.card-kicker{font-size:11px}
  .article-card h3{font-size:20px}
  .nav-dropdown{overflow:visible}
}

/* Stage 4 mobile corrections found by browser-width audit */
h1,h2,h3,h4{overflow-wrap:normal;word-break:normal;hyphens:auto}
@media(max-width:860px){
  .primary-nav>a{display:block!important;padding:12px 10px!important;border-bottom:1px solid rgba(255,255,255,.08)}
  .primary-nav{max-height:calc(100vh - 68px);overflow-y:auto;overscroll-behavior:contain}
  .nav-more>button{padding:12px 10px!important}
  .hero-copy{width:100%;max-width:none}
  .hero-inner{justify-content:flex-start}
  .section-filter,.section-filter>*{min-width:0;max-width:100%;width:100%}
}
@media(max-width:560px){
  .hero-copy{width:100%;padding-left:0;padding-right:0}
  .hero h1{font-size:36px;line-height:1.04;max-width:330px}
  .hero p{max-width:335px}
  .section-filter{display:grid;grid-template-columns:minmax(0,1fr)}
  .section-filter label,.section-filter select,.section-filter button{grid-column:1;width:100%;min-width:0}
}

/* Stage 4 checkpoint — mobile focus, resilient typography and menu isolation */
.hero h1,.page-hero h1,.article-head h1,.not-found h1,.section-head h2{text-wrap:balance;overflow-wrap:break-word;word-break:normal}
body.nav-open{overflow:hidden}
@media(max-width:860px){
  .primary-nav.open{height:calc(100vh - 68px);height:calc(100dvh - 68px);padding-bottom:max(24px,env(safe-area-inset-bottom));box-shadow:0 30px 70px rgba(0,0,0,.35)}
  .primary-nav.open~.header-search{visibility:hidden}
}
@media(max-width:760px){
  .hero-media img{object-position:60% center}
  .hero-overlay{background:linear-gradient(90deg,rgba(2,10,31,.96) 0%,rgba(2,10,31,.84) 47%,rgba(2,10,31,.58) 74%,rgba(2,10,31,.38) 100%),linear-gradient(0deg,rgba(2,10,31,.7),rgba(2,10,31,.05) 52%,rgba(2,10,31,.16))}
  .hero-copy{padding-top:70px}
  .hero .eyebrow{max-width:320px;line-height:1.35}
}
@media(max-width:560px){
  .primary-nav.open{height:calc(100vh - 64px);height:calc(100dvh - 64px)}
  .hero{min-height:700px}
  .hero-copy{padding-top:62px;padding-bottom:38px}
  .hero-actions{display:grid;grid-template-columns:1fr;width:100%}
  .hero-actions .button{width:100%}
  .hero-facts{justify-content:space-between;gap:10px;width:100%}
  .hero-facts span{display:grid;grid-template-columns:auto 1fr;gap:5px}
  .hero-facts b{font-size:23px}
}

/* Stage 5 — final interaction, code/table, search and error-state polish */
.nav-dropdown a.active{background:linear-gradient(90deg,#e8fbf7,#f1f8ff);color:#08776e;box-shadow:inset 3px 0 #14f195}
.nav-dropdown a.active .nav-dropdown-icon{box-shadow:0 0 0 2px rgba(20,241,149,.16)}
.nav-dropdown [role="menuitem"]:focus-visible{outline-offset:-2px}

.code-block{margin:28px 0;border:1px solid #18345d;border-radius:17px;overflow:hidden;background:#06142d;box-shadow:0 14px 35px rgba(4,21,50,.12)}
.code-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:43px;padding:7px 9px 7px 15px;border-bottom:1px solid #18345d;background:linear-gradient(90deg,#0c2348,#102c54);color:#9fc5eb;font:800 11px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;text-transform:uppercase;letter-spacing:.07em}
.prose .code-block pre{margin:0;border:0;border-radius:0;box-shadow:none;padding:20px;max-width:100%}
.copy-code{position:static;display:inline-flex;align-items:center;justify-content:center;min-height:31px;padding:6px 10px;border:1px solid #40638f;background:#17345e;color:#e6f2ff;border-radius:8px;font:800 11px/1.1 Inter,Arial,sans-serif;text-transform:none;letter-spacing:0;cursor:pointer}
.copy-code:hover,.copy-code:focus{background:#214676;border-color:#5e86b9}.copy-code.copied{background:#075e4d;border-color:#14f195;color:#a7f3d0}
.table-hint{display:none;align-items:center;width:max-content;margin:22px 0 -18px;padding:5px 9px;border-radius:999px;background:#e9fbf7;color:#08776e;font-size:11px;font-weight:850}
.prose .table-scroll{position:relative;box-shadow:inset -20px 0 20px -24px rgba(12,43,82,.28)}
.prose .table-scroll.has-scrolled{box-shadow:inset 20px 0 20px -24px rgba(12,43,82,.28),inset -20px 0 20px -24px rgba(12,43,82,.28)}
.prose .table-scroll:focus-visible{outline:3px solid rgba(34,211,238,.38);outline-offset:3px}

.not-found-inner{max-width:880px}.not-found-search{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;max-width:680px;margin:0 auto 17px}.not-found-search input{min-width:0;border:1px solid rgba(255,255,255,.26);border-radius:13px;background:rgba(255,255,255,.09);color:#fff;padding:13px 16px;outline:0}.not-found-search input::placeholder{color:#aebfdb}.not-found-search input:focus{border-color:#22d3ee;box-shadow:0 0 0 3px rgba(34,211,238,.13)}.not-found-links{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 18px;margin-top:27px;color:#a7f3d0;font-size:13px;font-weight:800}.not-found-links a:hover{text-decoration:underline;color:#fff}
.search-empty-state{background:radial-gradient(circle at 50% 0,rgba(34,211,238,.08),transparent 43%),var(--soft)}.search-suggestions{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:9px;margin:22px 0}.search-suggestions a{padding:7px 12px;border:1px solid #c7d9e8;border-radius:999px;background:#fff;color:#245077;font-size:13px;font-weight:800}.search-suggestions a:hover{border-color:#70cfd2;color:#08776e;transform:translateY(-1px)}

.article-meta span{padding:5px 9px;border:1px solid rgba(255,255,255,.12);border-radius:999px;background:rgba(255,255,255,.045)}
.article-meta span:before{margin-right:7px}.toc a[aria-current="location"]{font-weight:850;color:#08776e}.toc a[aria-current="location"]:before{content:"";display:inline-block;width:5px;height:5px;margin:0 6px 2px 0;border-radius:50%;background:#14f195}
.article-side .parent-back,.article-side .notice,.article-side .side-related{box-shadow:0 10px 28px rgba(13,49,87,.055)}
.article-card,.section-card,.subhub-grid>a,.catalog-roots>a{content-visibility:auto;contain-intrinsic-size:260px}

@media(max-width:1100px){
  .article-head{padding:58px 0 52px}.article-head h1{font-size:clamp(38px,6vw,57px)}
  .article-meta{gap:8px}.article-meta span{font-size:12px}
}
@media(max-width:860px){
  .nav-dropdown a.active{background:rgba(20,241,149,.1);color:#a7f3d0;box-shadow:inset 3px 0 #14f195}
  .toc-wrap.toc-open .toc{box-shadow:0 18px 55px rgba(9,42,78,.18)}
  .article-side{display:grid;grid-template-columns:1fr 1fr;gap:14px}.article-side>*{margin:0!important}.side-related{grid-column:1/-1}
}
@media(max-width:560px){
  .article-head{padding:42px 0 39px}.article-head h1{font-size:34px;line-height:1.06;margin:13px 0 15px}.article-head .lead{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:4;overflow:hidden;margin-bottom:14px}.article-meta span{padding:4px 7px}
  .article-side{grid-template-columns:1fr}.side-related{grid-column:auto}
  .code-block{margin:23px 0}.prose .code-block pre{padding:17px;font-size:13px}.code-toolbar{padding-left:12px}
  .table-hint{margin-top:18px}
  .not-found{padding:67px 0}.not-found h1{font-size:39px}.not-found-search{grid-template-columns:1fr}.not-found-search .button{width:100%}.not-found-links{display:grid;gap:8px;margin-top:23px}
  .search-suggestions{gap:7px}.search-suggestions a{font-size:12px;padding:6px 10px}
}
@media print{.code-toolbar,.table-hint,.not-found-search,.not-found-links{display:none!important}.code-block{border:0;box-shadow:none}}

/* Stage 5 — comprehensive browser audit: active states, search and 404 polish */
.nav-dropdown a.active{background:linear-gradient(90deg,#e8fbf7,#eef8ff);color:#08776e;box-shadow:inset 3px 0 #14f195}
.nav-dropdown a.active .nav-dropdown-icon{box-shadow:0 0 0 2px rgba(20,241,149,.16)}
.skip-link{position:fixed;z-index:1000;left:18px;top:12px;transform:translateY(-160%);padding:10px 14px;border-radius:10px;background:#fff;color:#05254a;font-weight:900;box-shadow:0 12px 30px rgba(0,0,0,.24);transition:transform .16s}
.skip-link:focus{transform:none}
.not-found{position:relative;overflow:hidden;min-height:640px;padding:105px 0 95px;background:radial-gradient(circle at 50% 35%,rgba(34,211,238,.12),transparent 30%),linear-gradient(145deg,#04112d,#082653);color:#fff;text-align:center}
.not-found:after{content:"";position:absolute;inset:auto -10% -320px;width:120%;height:520px;border:1px solid rgba(34,211,238,.12);border-radius:50%;pointer-events:none}
.not-found-inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;max-width:900px}
.not-found img{display:block;margin:0 auto 13px;padding:13px;border-radius:25px;background:rgba(3,14,40,.62);box-shadow:0 20px 60px rgba(0,0,0,.2)}
.not-found h1{margin:18px 0 14px;font-size:clamp(46px,6vw,78px);line-height:1.02;letter-spacing:-.045em}
.not-found p{max-width:750px;margin:0 auto;color:#b8cae5;font-size:20px;line-height:1.55}
.not-found-search{display:grid;grid-template-columns:minmax(280px,520px) auto;gap:10px;width:100%;max-width:700px;margin:28px auto 4px}
.not-found-search input{height:50px;border:1px solid rgba(255,255,255,.22);border-radius:13px;background:rgba(255,255,255,.08);color:#fff;padding:0 16px;font:inherit;box-shadow:inset 0 1px rgba(255,255,255,.04)}
.not-found-search input::placeholder{color:#9fb2cf}.not-found-search input:focus{border-color:#22d3ee;outline:3px solid rgba(34,211,238,.13)}
.not-found .hero-actions{justify-content:center;margin-top:17px}.not-found .button.ghost{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.055)}
.not-found-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:26px}.not-found-links a{padding:8px 12px;border:1px solid rgba(255,255,255,.12);border-radius:999px;color:#aee8df;font-size:13px;font-weight:800;text-decoration:none}.not-found-links a:hover{background:rgba(255,255,255,.08);color:#fff}
.search-empty-state{position:relative;overflow:hidden;background:linear-gradient(145deg,#f8fcff,#eef8fb);border:1px solid #cfdfeb;box-shadow:0 18px 55px rgba(12,48,87,.08)}
.search-empty-state:after{content:"";position:absolute;right:-85px;top:-95px;width:230px;height:230px;border-radius:50%;border:1px solid rgba(34,211,238,.22)}
.search-suggestions{position:relative;z-index:1;display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:20px 0 24px}
.search-suggestions a{padding:8px 12px;border:1px solid #bed9e5;border-radius:999px;background:#fff;color:#08776e;font-size:13px;font-weight:850;text-decoration:none;transition:.15s}
.search-suggestions a:hover{border-color:#55cfc9;background:#eafbf7;transform:translateY(-1px)}
@media(max-width:860px){.nav-dropdown a.active{background:rgba(20,241,149,.1);color:#a7f3d0;box-shadow:inset 3px 0 #14f195}}
@media(max-width:560px){.not-found{min-height:0;padding:68px 0 70px}.not-found h1{font-size:43px}.not-found p{font-size:17px}.not-found-search{grid-template-columns:1fr}.not-found-search .button{width:100%}.not-found .hero-actions{display:grid;width:100%}.not-found-links{align-items:stretch;flex-direction:column;width:100%}.not-found-links a{text-align:center}}
/* Stage 5 table readability and compact mobile outline */
.prose .table-scroll th,.prose .table-scroll td{overflow-wrap:break-word;word-break:normal}
.prose .table-scroll th:first-child,.prose .table-scroll td:first-child{width:1%;min-width:52px;white-space:nowrap;text-align:center}
.prose .table-scroll th:nth-child(2),.prose .table-scroll td:nth-child(2){min-width:170px;overflow-wrap:anywhere}
@media(max-width:1100px){.toc-wrap .toc>strong{display:none}}

/* Stage 5 mobile navigation — explicit close state */
.menu-button span{transform-origin:center;transition:transform .16s,opacity .16s}
.menu-button[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-button[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-button[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.menu-button[aria-expanded="true"] b{color:#a7f3d0}

/* Stage 6: public community banner and scheduled-publication polish. */
.community-banner{display:flex;justify-content:center;align-items:center;gap:16px;padding:7px 16px;background:linear-gradient(90deg,#facc15,#fde047 48%,#facc15);color:#102044;text-align:center;font-size:12px;line-height:1.35;font-weight:750;box-shadow:inset 0 -1px rgba(94,69,0,.15)}
.community-banner a{font-weight:950;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px;white-space:nowrap}
.community-banner-short{display:none}
.scheduled-reference{color:inherit}
.preview-toolbar~.site-header+.community-banner+.reading-progress,.preview-toolbar~main .reading-progress{top:123px}
@media(max-width:560px){.community-banner{justify-content:space-between;gap:10px;padding:7px 14px;font-size:11px}.community-banner-full{display:none}.community-banner-short{display:inline}.community-banner a{font-size:11px}}
@media print{.community-banner{display:none!important}}