:root{
  --navy:#071d63; --blue:#0755ff; --green:#079447; --purple:#5f18d1;
  --text:#0d1d50; --muted:#617093; --border:#dce4f2; --soft:#f8faff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--text);background:#fff;font-size:14px}
html.details-loading .article-column > :not(.article-loading-state){display:none}
.article-loading-state{display:none}
html.details-loading .article-loading-state{display:block}
.loading-line,.loading-block{display:block;border-radius:6px;background:linear-gradient(90deg,#edf1f7 25%,#f8faff 50%,#edf1f7 75%);background-size:200% 100%;animation:articleLoading 1.25s ease-in-out infinite}
.loading-category{width:125px;height:24px;margin-bottom:18px}
.loading-title{width:82%;height:28px;margin-bottom:10px}
.loading-title-short{width:58%;margin-bottom:24px}
.loading-image{width:100%;height:300px;margin-bottom:24px;border:1px solid #e5eaf2}
.loading-copy{width:94%;height:16px;margin-bottom:11px}
.loading-copy-short{width:68%}
@keyframes articleLoading{0%{background-position:200% 0}100%{background-position:-200% 0}}
button,input{font:inherit}
a{color:inherit;text-decoration:none}
.site-header{height:82px;border-bottom:1px solid #e8edf5;display:flex;align-items:center;padding:0 28px;gap:38px;position:relative;background:#fff;z-index:20}
.brand{display:flex;align-items:center;gap:10px;min-width:230px}
.brand-mark{width:42px;height:48px;position:relative;display:inline-block}
.brand-mark:before{content:"";position:absolute;left:17px;top:0;width:7px;height:43px;border-radius:5px;background:#0b2d82}
.brand-mark:after{content:"";position:absolute;left:4px;top:14px;width:29px;height:28px;border:7px solid #0b2d82;border-top-color:transparent;border-radius:50%}
.brand-mark i{position:absolute;width:24px;height:6px;background:#0b2d82;border-radius:6px;left:0;top:10px}
.brand-mark b{position:absolute;width:8px;height:20px;background:#10a252;border-radius:4px;right:0;bottom:5px}
.brand-copy{display:flex;flex-direction:column}
.brand-copy strong{font-size:25px;line-height:1;font-weight:800;color:#098f49}
.brand-copy strong span{color:#0b2d82}
.brand-copy small{font-size:10px;color:#55709a;margin-top:5px}
.main-nav{display:flex;align-items:stretch;height:100%;gap:10px}
.nav-link{border:0;background:none;display:flex;align-items:center;gap:4px;padding:0 20px;font-weight:600;color:#0f204f;position:relative;cursor:pointer}
.nav-link svg{width:15px}
.nav-link.active{color:var(--blue)}
.nav-link.active:after{content:"";position:absolute;left:18px;right:18px;bottom:0;height:3px;background:var(--blue);border-radius:3px}
.header-search{margin-left:auto;width:min(370px,28vw);height:46px;border:1px solid #ccd7e8;border-radius:8px;display:flex;align-items:center;padding:0 14px}
.header-search input{border:0;outline:0;flex:1;color:#20325c}
.header-search svg{width:22px;color:var(--navy)}
.login-btn{height:46px;border:0;border-radius:7px;background:#062a78;color:#fff;padding:0 20px;display:flex;align-items:center;gap:8px;font-weight:600;cursor:pointer}
.login-btn svg{width:18px}
.current-menu{position:absolute;top:72px;left:465px;width:330px;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 12px 34px rgba(25,42,89,.12);padding:10px;display:none}
.current-menu.open{display:block}
.current-menu a{display:grid;grid-template-columns:50px 1fr 18px;align-items:center;padding:13px;border-bottom:1px solid #e7ecf4}
.current-menu a:last-child{border-bottom:0}
.menu-icon,.side-icon{width:42px;height:42px;border-radius:10px;display:grid;place-items:center}
.menu-icon svg,.side-icon svg{width:22px}
.menu-icon.blue,.side-icon.blue{background:#e9f1ff;color:#0458ef}
.menu-icon.green,.side-icon.green{background:#e4f7e9;color:#059744}
.menu-icon.purple,.side-icon.purple{background:#f0e7ff;color:#6425df}
.side-icon.orange{background:#fff0df;color:#ff7300}
.side-icon.pink{background:#ffe9ef;color:#f13f73}
.current-menu b{font-size:14px}
.current-menu small{display:block;margin-top:4px;color:#73809b;font-size:12px}
.current-menu>a>svg{width:17px;color:#7990b6}
main{max-width:1510px;margin:0 auto;padding:22px 28px 34px}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:12px;color:#40527c;margin:3px 0 26px}
.breadcrumb svg{width:13px}
.breadcrumb span{font-weight:600;color:#172858}
.page-grid{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:58px;align-items:start}
.article-column{max-width:980px}
.category-pill,.tag{display:inline-block;background:#e5f7eb;color:#00763a;border-radius:5px;padding:5px 8px;font-size:11px;font-weight:600}
.article-column h1{font-size:31px;line-height:1.2;margin:18px 0}
.article-meta{display:flex;align-items:center;gap:14px;color:#52658e;margin-bottom:24px}
.article-meta>span,.article-meta button{display:flex;align-items:center;gap:7px}
.article-meta svg{width:18px}
.meta-divider{width:1px;height:20px;background:#cdd6e6}
.meta-actions{margin-left:auto;display:flex;align-items:center;gap:17px}
.article-meta button{border:0;background:none;color:#344b76;cursor:pointer}
.featured-image{width:100%;max-width:900px;height:auto;object-fit:contain;object-position:center;border:1px solid #dce4ef;border-radius:10px;background:#f5f7fb;display:block}
.lead{font-size:16px;line-height:1.75;color:#2d3d68;max-width:900px;margin:22px 0}
.highlight-box{max-width:900px;background:linear-gradient(90deg,#edf9f0,#f7fcf8);border:1px solid #c8e7d1;border-radius:8px;padding:18px 18px 10px;margin:18px 0}
.highlight-box h2,.article-section h2,.related-section h2{font-size:18px;margin:0 0 11px}
.highlight-box ul{list-style:none;padding:0;margin:0}
.highlight-box li{position:relative;padding:0 0 13px 28px;line-height:1.55}
.highlight-box li:before{content:"✓";position:absolute;left:0;top:1px;width:16px;height:16px;border:2px solid #0aa04b;border-radius:50%;font-size:10px;display:grid;place-items:center;color:#0a9a47;font-weight:800}
.article-section{max-width:900px}
.article-section h2{margin-top:20px;margin-bottom:5px}
.article-section p,.plain-list{line-height:1.58;margin:0;color:#20325c}
.article-section p{margin:0 0 14px}.article-section h3{margin:18px 0 7px;color:#10245f;font-size:16px}.article-section ul,.article-section ol{margin:10px 0 16px;padding-left:24px;color:#20325c;line-height:1.65}.article-section li+li{margin-top:5px}.article-section blockquote{margin:16px 0;padding:13px 16px;border-left:4px solid #1769ff;border-radius:0 7px 7px 0;background:#f4f8ff;color:#435471;line-height:1.65}.article-section a{color:#075de4;text-decoration:underline;text-underline-offset:2px}.article-section font[size="2"]{font-size:12px}.article-section font[size="3"]{font-size:14px}.article-section font[size="4"]{font-size:16px}.article-section font[size="5"]{font-size:18px}.article-section font[size="6"]{font-size:20px}.article-section font[size="7"]{font-size:24px}
.plain-list{padding-left:17px}
.source{max-width:900px;padding-top:14px;border-top:1px solid #dce3ef;color:#3a4d76}
.source a{color:#0755ff}
.article-navigation{max-width:900px;border:1px solid #d9e2ef;border-radius:8px;display:grid;grid-template-columns:1fr 1px 1fr;min-height:98px;margin:22px 0 18px}
.article-navigation-side{display:flex;align-items:center;gap:14px;text-align:left;padding:17px 20px;color:#183068}
.article-navigation-side:last-child{text-align:right;justify-content:flex-end}
.article-navigation svg{width:20px;color:#0755ff}
.article-navigation span{display:flex;flex-direction:column;gap:5px}
.article-navigation small{color:#0755ff;font-weight:600}
.article-navigation b{font-size:14px}
.article-navigation a{color:#183068;text-decoration:none}
.article-navigation a:hover,.article-navigation a:focus-visible{text-decoration:underline;text-underline-offset:3px}
.article-navigation em{font-style:normal;font-size:11px;color:#607092}
.nav-line{background:#dce3ef;margin:17px 0}
.related-section{max-width:900px}
.related-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:11px}
.related-heading h2{margin:0}
.related-controls{display:flex;gap:7px}
.related-controls button{width:30px;height:30px;border:1px solid #d6e0ef;border-radius:50%;display:grid;place-items:center;background:#fff;color:#0755ff;cursor:pointer;transition:background-color .18s ease,border-color .18s ease,color .18s ease}
.related-controls button:hover:not(:disabled){background:#eef4ff;border-color:#9fbbed}
.related-controls button:disabled{color:#aab6c9;background:#f7f9fc;cursor:not-allowed}
.related-controls svg{width:16px;height:16px}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.related-card{border:1px solid #dce4f0;border-radius:7px;overflow:hidden;background:#fff}
.related-card img{width:100%;height:105px;object-fit:cover;display:block}
.related-card .tag{margin:7px 8px 4px;padding:3px 5px;font-size:9px;background:#eef3ff;color:#245bea}
.related-card .tag.environment{background:#e8f8ed;color:#0c8b45}
.related-card h3{font-size:12px;line-height:1.35;margin:0 8px 8px;min-height:48px}
.related-card h3 a{color:var(--text);text-decoration:none}
.related-card h3 a:hover,.related-card h3 a:focus-visible{text-decoration:underline;text-underline-offset:3px}
.related-card small{display:flex;align-items:center;gap:4px;color:#657596;margin:0 8px 10px;font-size:10px}
.related-card small svg{width:12px}
.sidebar{display:flex;flex-direction:column;gap:18px}
.side-card,.promo-card,.subscribe-card{border:1px solid #dbe4f0;border-radius:9px;background:#fff;padding:18px}
.side-card h2,.promo-card h2,.subscribe-card h2{font-size:18px;margin:0 0 14px}
.updates>a{display:grid;grid-template-columns:46px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid #e3e8f1}
.updates>a span:last-child{display:flex;flex-direction:column;gap:6px}
.updates>a b{font-size:13px;line-height:1.45}
.updates>a small{font-size:11px;color:#657596}
.view-all{width:100%;min-height:42px;margin-top:4px;border-top:1px solid #e3e8f1;background:#fff;color:#0755ff;font-size:12px;font-weight:700;display:flex;align-items:flex-end;justify-content:space-between;padding:13px 0 1px;cursor:pointer;transition:color .18s ease,transform .18s ease}
.updates>a.view-all{display:flex;grid-template-columns:none;gap:0;align-items:center;white-space:nowrap}
.view-all:hover{color:#0041c4;transform:translateX(2px)}
.view-all svg{width:16px;height:16px;stroke-width:2.5}
.promo-card>div{display:flex;gap:12px}
.promo-card p,.subscribe-card p{font-size:12px;color:#5f6f90;line-height:1.5;margin:2px 0 13px}
.green-btn,.purple-btn{width:100%;height:42px;border:0;border-radius:5px;color:#fff;font-weight:600;display:flex;align-items:center;justify-content:center;gap:8px;cursor:pointer}
.green-btn{background:#08a04b}.purple-btn{background:#6117d5}
.subscribe-card form{display:flex;gap:9px}
.subscribe-card input{min-width:0;flex:1;border:1px solid #cbd7e8;border-radius:7px;padding:11px}
.subscribe-card button{background:#0755ff;color:#fff;border:0;border-radius:7px;padding:0 14px}
.subscribe-card small{display:block;color:#6d7894;margin-top:8px}
.site-footer{border-top:1px solid #e2e8f2;background:#fbfcff;padding:28px 38px 0}
.footer-grid{max-width:1450px;margin:auto;display:grid;grid-template-columns:1.2fr repeat(3,1fr) 1.1fr;gap:38px}
.footer-brand p,.app-column p{font-size:12px;color:#40527b;line-height:1.5}
.footer-logo{min-width:0}
.footer-logo .brand-copy strong{font-size:21px}
.footer-logo .brand-mark{transform:scale(.85)}
.footer-grid h3{font-size:14px;margin:0 0 12px}
.footer-grid section:not(.footer-brand){border-left:1px solid #e2e8f2;padding-left:25px}
.footer-grid section>a{display:block;font-size:12px;color:#40527b;margin:9px 0}
.socials{display:flex;gap:10px;margin-top:16px}
.socials a{width:30px;height:30px;border-radius:50%;border:1px solid #d9e3f0;display:grid;place-items:center;color:#0755ff;background:#fff}
.app-column button{display:block;width:155px;height:39px;margin:8px 0;background:#050505;color:#fff;border:0;border-radius:5px}
.footer-bottom{max-width:1450px;margin:24px auto 0;border-top:1px solid #dfe5ef;padding:16px 0;display:flex;justify-content:space-between;font-size:12px;color:#536486}
.footer-bottom b{color:#ed334d}
.modal-overlay{position:fixed;inset:0;background:rgba(5,20,52,.58);z-index:60;display:grid;place-items:center}
.modal-overlay[hidden]{display:none}
.login-modal{width:min(430px,92vw);background:#fff;border-radius:15px;padding:32px;position:relative;box-shadow:0 20px 60px rgba(3,19,56,.25)}
.modal-close{position:absolute;right:15px;top:15px;border:0;background:none;cursor:pointer}
.login-modal h2{font-size:25px;margin:8px 0}
.login-modal p{color:#687694}
.login-modal label{display:flex;flex-direction:column;gap:8px;font-weight:600;margin-top:20px}
.login-modal input{height:48px;border:1px solid #c8d4e6;border-radius:8px;padding:0 12px}
.modal-primary{width:100%;height:48px;border:0;border-radius:8px;background:#0846b7;color:#fff;font-weight:700;margin-top:18px}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(30px);background:#10245f;color:#fff;padding:11px 18px;border-radius:8px;opacity:0;pointer-events:none;transition:.25s;z-index:90}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.meta-actions #saveBtn.saved{color:#0755ff;font-weight:700}

/* Professional reading layout: generous article canvas with a compact utility rail. */
main{max-width:1280px;padding:24px 32px 42px}
.breadcrumb{margin-bottom:28px}
.page-grid{grid-template-columns:minmax(0,1fr) 310px;gap:36px}
.article-column{width:100%;max-width:880px;min-width:0}
.article-column h1{max-width:850px;font-size:32px;line-height:1.22;letter-spacing:-.45px;margin:17px 0 16px}
.featured-image,.lead,.highlight-box,.article-section,.source,.article-navigation,.related-section{max-width:860px}
.lead{font-size:16px;line-height:1.8;margin:24px 0}
.article-section{font-size:15px}
.article-section p,.plain-list{line-height:1.72}
.sidebar{gap:14px;position:sticky;top:96px;min-width:0}
.side-card,.promo-card,.subscribe-card{padding:15px;border-radius:10px}
.side-card h2,.promo-card h2,.subscribe-card h2{font-size:16px;margin-bottom:11px}
.updates>a{grid-template-columns:36px minmax(0,1fr);gap:10px;padding:10px 0}
.updates>a:first-of-type{padding-top:6px}
.updates>a b{font-size:12px;line-height:1.35}
.updates>a small{font-size:10px}
.side-icon{width:36px;height:36px;border-radius:9px}
.side-icon svg{width:18px}
.view-all{min-height:40px;padding-top:11px;font-size:12px}
.promo-card>div{gap:10px}
.promo-card p,.subscribe-card p{font-size:11.5px;margin-bottom:11px}
.green-btn,.purple-btn{height:38px;font-size:12px}
.subscribe-card form{gap:7px}
.subscribe-card input{padding:9px;font-size:12px}
.subscribe-card button{padding:0 11px;font-size:12px}
@media(max-width:1100px){
  .main-nav{display:none}.header-search{margin-left:auto;width:42vw}
  .page-grid{grid-template-columns:1fr}.sidebar{display:grid;grid-template-columns:repeat(2,1fr)}
  .article-column{max-width:none}.featured-image,.lead,.highlight-box,.article-section,.source,.article-navigation,.related-section{max-width:none}
  .sidebar{position:static}
  .current-menu{left:250px}
}
@media(max-width:760px){
  .site-header{padding:0 15px;gap:10px}.brand{min-width:auto}.brand-copy{display:none}
  .header-search{display:none}.login-btn{margin-left:auto;padding:0 12px;font-size:12px}
  main{padding:18px 15px}.breadcrumb{overflow:auto;white-space:nowrap}
  .article-column h1{font-size:26px}.article-meta{flex-wrap:wrap}.meta-actions{margin-left:0;width:100%}
  .featured-image{height:auto}.page-grid{gap:28px}.sidebar{display:flex}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-grid section:not(.footer-brand){border:0;padding-left:0}
  .footer-bottom{flex-direction:column;gap:8px}.current-menu{left:15px;right:15px;width:auto}
}