:root {
  --na-navy:#071629;
  --na-navy-2:#0c2746;
  --na-blue:#2f67e8;
  --na-blue-soft:#eaf1ff;
  --na-cyan:#51b7c8;
  --na-ink:#172033;
  --na-muted:#667085;
  --na-line:#dde5ef;
  --na-soft:#f4f7fb;
  --na-white:#ffffff;
  --na-green:#168a61;
  --na-shadow:0 22px 70px rgba(7,22,41,.09);
  --display:"Manrope",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--na-ink);background:#fff;font-family:var(--body);font-size:16px;line-height:1.72;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.utility-bar{background:#041120;color:#cbd7e7;font-size:12px}
.utility-inner{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.utility-inner a{color:#fff;font-weight:600}
.site-header{position:sticky;top:0;z-index:90;border-bottom:1px solid rgba(221,229,239,.82);background:rgba(255,255,255,.92);backdrop-filter:blur(18px)}
.header-inner{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;flex:0 0 auto}
.brand img{width:222px;height:auto}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:26px;font-size:13px;font-weight:650;color:#4c596b}
.main-nav a{position:relative;padding:27px 0}
.main-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:17px;height:2px;border-radius:9px;background:var(--na-blue);transition:.25s}
.main-nav a:hover::after,.main-nav a.active::after{right:0}
.main-nav a.active{color:var(--na-ink)}
.header-actions{display:flex;align-items:center;gap:10px}
.header-link{font-size:12px;font-weight:700;color:#475467;padding:10px 6px}
.button{min-height:44px;padding:0 18px;border:1px solid transparent;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--na-blue);color:#fff;font-size:12px;font-weight:750;box-shadow:0 10px 25px rgba(47,103,232,.22);transition:transform .2s,box-shadow .2s,background .2s}
.button:hover{transform:translateY(-1px);box-shadow:0 15px 30px rgba(47,103,232,.28)}
.button-secondary{background:#fff;color:var(--na-ink);border-color:var(--na-line);box-shadow:none}
.button-dark{background:var(--na-navy);box-shadow:0 12px 27px rgba(7,22,41,.22)}
.button-small{min-height:40px;padding-inline:15px}
.menu-toggle{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--na-line);border-radius:10px;background:#fff;padding:10px}
.menu-toggle span{display:block;height:2px;margin:4px 0;border-radius:9px;background:var(--na-navy)}
.blog-hero{padding:72px 0 44px;background:
  radial-gradient(circle at 86% 9%,rgba(81,183,200,.18),transparent 28%),
  radial-gradient(circle at 12% 30%,rgba(47,103,232,.20),transparent 30%),
  linear-gradient(145deg,#061525 0%,#0c2949 70%,#11395c 100%);color:#fff;overflow:hidden}
.blog-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 440px;gap:62px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:#a9d9e2;font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.eyebrow::before{content:"";width:26px;height:2px;background:#5fc4d5}
.blog-hero h1{max-width:780px;margin:18px 0 18px;font-family:var(--display);font-size:clamp(40px,5.3vw,72px);line-height:1.04;letter-spacing:-.052em}
.blog-hero-copy>p{max-width:690px;margin:0;color:#ced9e8;font-size:17px;line-height:1.8}
.hero-actions{margin-top:28px;display:flex;gap:11px;flex-wrap:wrap}
.hero-actions .button-secondary{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#fff}
.hero-metrics{margin-top:38px;display:flex;gap:36px;flex-wrap:wrap}
.hero-metrics div{display:grid;gap:2px}.hero-metrics strong{font-family:var(--display);font-size:20px}.hero-metrics span{color:#aab9cd;font-size:10px;text-transform:uppercase;letter-spacing:.08em}
.hero-featured{position:relative;padding:16px;border:1px solid rgba(255,255,255,.14);border-radius:22px;background:rgba(255,255,255,.075);box-shadow:0 30px 75px rgba(0,0,0,.22);backdrop-filter:blur(14px)}
.hero-featured-media{position:relative;height:260px;border-radius:15px;overflow:hidden;background:linear-gradient(135deg,#0d385e,#255d87)}
.hero-featured-media img{width:100%;height:100%;object-fit:cover}
.hero-featured-media::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,17,32,.70),transparent 55%)}
.hero-featured-copy{padding:19px 8px 7px}
.hero-featured-copy span{color:#84d6e2;font-size:10px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}
.hero-featured-copy h2{margin:7px 0 7px;font-family:var(--display);font-size:22px;line-height:1.28}
.hero-featured-copy p{margin:0;color:#bfccdc;font-size:12px}
.blog-controls{position:relative;z-index:5;margin-top:-1px;padding:24px 0;border-bottom:1px solid var(--na-line);background:#fff}
.blog-search{display:grid;grid-template-columns:minmax(260px,1fr) auto;gap:12px;align-items:center}
.search-wrap{position:relative}.search-wrap svg{position:absolute;left:16px;top:50%;width:20px;height:20px;transform:translateY(-50%);fill:none;stroke:#7b8798;stroke-width:1.8}
.search-wrap input{width:100%;height:48px;padding:0 18px 0 48px;border:1px solid var(--na-line);border-radius:11px;outline:none;background:#f9fbfd;color:var(--na-ink)}
.search-wrap input:focus{border-color:#9ab6ef;box-shadow:0 0 0 4px rgba(47,103,232,.08)}
.filter-row{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}
.filter-button{min-height:38px;padding:0 12px;border:1px solid var(--na-line);border-radius:999px;background:#fff;color:#526071;font-size:10px;font-weight:750;cursor:pointer}
.filter-button.active{border-color:var(--na-blue);background:var(--na-blue);color:#fff}
.section{padding:78px 0}.section-soft{background:var(--na-soft)}
.section-heading{margin-bottom:28px;display:flex;align-items:end;justify-content:space-between;gap:28px}
.section-heading span{color:var(--na-blue);font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.section-heading h2{margin:7px 0 0;font-family:var(--display);font-size:35px;line-height:1.15;letter-spacing:-.035em}
.section-heading p{max-width:500px;margin:0;color:var(--na-muted);font-size:13px}
.feature-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:20px}
.feature-main,.feature-side{border:1px solid var(--na-line);border-radius:18px;background:#fff;overflow:hidden;box-shadow:0 16px 45px rgba(7,22,41,.055)}
.feature-main{display:grid;grid-template-columns:1.08fr .92fr;min-height:365px}
.feature-media{min-height:280px;position:relative;overflow:hidden;background:linear-gradient(135deg,#0e3154,#316b9c)}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.feature-main:hover img{transform:scale(1.035)}
.feature-placeholder{width:100%;height:100%;min-height:220px;display:grid;place-items:center;background:
  linear-gradient(145deg,rgba(47,103,232,.82),rgba(7,22,41,.96)),
  repeating-linear-gradient(45deg,transparent,transparent 18px,rgba(255,255,255,.08) 19px,rgba(255,255,255,.08) 20px);color:#fff;font-family:var(--display);font-size:54px;font-weight:800}
.feature-copy{padding:34px;display:flex;flex-direction:column;justify-content:center}
.category-label{display:inline-flex;align-self:flex-start;padding:6px 8px;border-radius:6px;background:var(--na-blue-soft);color:var(--na-blue);font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.feature-copy h3{margin:14px 0 10px;font-family:var(--display);font-size:27px;line-height:1.25;letter-spacing:-.026em}
.feature-copy p{margin:0;color:var(--na-muted);font-size:13px}
.article-meta{margin-top:18px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:#7c8798;font-size:10px}
.article-meta b{color:#39475a}
.feature-side{padding:25px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(145deg,#081a2f,#103a63);color:#fff;border-color:transparent}
.feature-side .category-label{background:rgba(91,190,207,.15);color:#8ed9e5}
.feature-side h3{margin:14px 0 10px;font-family:var(--display);font-size:24px;line-height:1.27}
.feature-side p{color:#c0ccdc;font-size:12px}
.feature-side .article-meta{color:#9eb0c6}.feature-side .article-meta b{color:#fff}
.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.article-card{min-width:0;border:1px solid var(--na-line);border-radius:16px;background:#fff;overflow:hidden;box-shadow:0 10px 32px rgba(7,22,41,.045);transition:transform .22s,box-shadow .22s,border-color .22s}
.article-card:hover{transform:translateY(-4px);border-color:#c2d1e5;box-shadow:0 22px 50px rgba(7,22,41,.095)}
.card-media{height:190px;overflow:hidden;background:#173e66}.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.article-card:hover .card-media img{transform:scale(1.04)}
.card-media .feature-placeholder{min-height:190px;font-size:38px}
.card-copy{padding:21px}
.card-copy h3{margin:12px 0 9px;font-family:var(--display);font-size:18px;line-height:1.35;letter-spacing:-.018em}
.card-copy p{margin:0;color:var(--na-muted);font-size:11.5px;line-height:1.7}
.card-foot{margin-top:17px;padding-top:14px;border-top:1px solid #edf1f5;display:flex;align-items:center;justify-content:space-between;gap:10px;color:#7d8998;font-size:9.5px}
.card-foot strong{color:var(--na-blue)}
.no-results{display:none;padding:55px;border:1px dashed #c8d3e1;border-radius:15px;text-align:center;color:var(--na-muted)}
.topic-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:13px}
.topic-card{padding:20px;border:1px solid var(--na-line);border-radius:14px;background:#fff}
.topic-code{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:#eaf1ff;color:var(--na-blue);font-family:var(--display);font-size:11px;font-weight:800}
.topic-card h3{margin:13px 0 4px;font-family:var(--display);font-size:14px}.topic-card p{margin:0;color:var(--na-muted);font-size:10px}
.newsletter{padding:52px;border-radius:22px;display:grid;grid-template-columns:1fr 400px;gap:45px;align-items:center;background:
  radial-gradient(circle at 88% 0,rgba(81,183,200,.22),transparent 30%),linear-gradient(135deg,#071629,#103b64);color:#fff}
.newsletter h2{margin:0 0 8px;font-family:var(--display);font-size:31px}.newsletter p{margin:0;color:#bdcad9;font-size:13px}.newsletter-form{display:grid;grid-template-columns:1fr auto;gap:8px}.newsletter-form input{min-width:0;height:48px;padding:0 15px;border:1px solid rgba(255,255,255,.18);border-radius:10px;background:rgba(255,255,255,.09);color:#fff;outline:none}.newsletter-form input::placeholder{color:#9fb0c5}
.site-footer{padding:54px 0 24px;background:#051322;color:#b4c1d1}
.footer-grid{display:grid;grid-template-columns:1.35fr repeat(3,.7fr);gap:44px}.footer-brand img{width:210px;filter:brightness(0) invert(1);opacity:.95}.footer-brand p{max-width:390px;color:#91a2b7;font-size:12px}.footer-col strong{display:block;margin-bottom:13px;color:#fff;font-family:var(--display);font-size:12px}.footer-col a{display:block;margin:8px 0;color:#a7b6c8;font-size:11px}.footer-bottom{margin-top:35px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);display:flex;justify-content:space-between;gap:20px;color:#74869d;font-size:10px}
/* Article */
.reading-progress{position:fixed;top:0;left:0;z-index:120;width:0;height:3px;background:linear-gradient(90deg,var(--na-blue),var(--na-cyan))}
.article-hero{padding:62px 0 56px;background:
 radial-gradient(circle at 85% 10%,rgba(81,183,200,.15),transparent 28%),linear-gradient(145deg,#061525,#0e3155);color:#fff}
.breadcrumbs{margin-bottom:26px;display:flex;gap:8px;flex-wrap:wrap;color:#8fa2ba;font-size:10px}.breadcrumbs a:hover{color:#fff}
.article-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 410px;gap:55px;align-items:center}
.article-hero h1{margin:16px 0 17px;font-family:var(--display);font-size:clamp(38px,4.5vw,61px);line-height:1.08;letter-spacing:-.048em}
.article-deck{max-width:780px;margin:0;color:#c6d2e1;font-size:16px;line-height:1.8}
.article-hero .article-meta{margin-top:25px;color:#9fb0c5}.article-hero .article-meta b{color:#fff}
.hero-visual{height:335px;border:1px solid rgba(255,255,255,.13);border-radius:20px;overflow:hidden;background:linear-gradient(135deg,#184f7d,#071629);box-shadow:0 27px 70px rgba(0,0,0,.25)}
.hero-visual img{width:100%;height:100%;object-fit:cover}.hero-visual .feature-placeholder{min-height:335px}
.article-shell{padding:60px 0 88px;background:#fff}
.article-layout{display:grid;grid-template-columns:235px minmax(0,750px) 220px;gap:38px;justify-content:center;align-items:start}
.article-toc{position:sticky;top:106px;padding:19px;border:1px solid var(--na-line);border-radius:13px;background:#fff;max-height:calc(100vh - 135px);overflow:auto}
.article-toc strong{display:block;margin-bottom:12px;font-family:var(--display);font-size:12px}.article-toc a{display:block;padding:6px 0;color:#697587;font-size:10px;line-height:1.45;border-left:2px solid transparent}.article-toc a.level-3{padding-left:12px}.article-toc a.active{padding-left:8px;border-left-color:var(--na-blue);color:var(--na-blue);font-weight:700}
.article-main{min-width:0}.article-intro{margin-bottom:33px;padding:23px 25px;border-left:4px solid var(--na-blue);border-radius:0 12px 12px 0;background:#f0f5ff;color:#33445b;font-size:15px;line-height:1.82}
.article-body{font-family:var(--body);font-size:16px;color:#26364a}
.article-body h2,.article-body h3{scroll-margin-top:105px;font-family:var(--display);color:#10233c;letter-spacing:-.023em}
.article-body h2{margin:48px 0 16px;font-size:27px;line-height:1.3}.article-body h3{margin:32px 0 12px;font-size:20px;line-height:1.35}
.article-paragraph{margin:0 0 19px;text-align:justify;text-justify:inter-word;hyphens:auto}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px}.article-body li{margin:7px 0}.article-body a{color:#245fdc;text-decoration:underline;text-decoration-color:#aac0ef;text-underline-offset:3px}
.article-figure{margin:34px 0;padding:10px;border:1px solid var(--na-line);border-radius:14px;background:#fff;box-shadow:0 13px 38px rgba(7,22,41,.055);overflow:hidden}.article-figure img,.article-figure video{width:100%;height:auto;border-radius:9px}.article-figure img{cursor:zoom-in}.article-caption{padding:10px 7px 2px;color:#778395;font-size:10px;text-align:center}
.article-code{margin:25px 0;padding:20px;border-radius:13px;overflow:auto;background:#071629;color:#dce8f5;font-size:12px;line-height:1.65}
.article-quote{margin:28px 0;padding:22px 24px;border-left:4px solid var(--na-cyan);border-radius:0 12px 12px 0;background:#f0f9fb;color:#29465a;font-size:15px}
.article-table-wrap{margin:28px 0;overflow-x:auto;border:1px solid var(--na-line);border-radius:12px}.article-table-wrap table{width:100%;border-collapse:collapse}.article-table-wrap td,.article-table-wrap th{padding:11px;border:1px solid #e7edf4;min-width:110px;font-size:12px}
.article-aside{position:sticky;top:106px;display:grid;gap:13px}.aside-card{padding:18px;border:1px solid var(--na-line);border-radius:13px;background:#fff}.aside-card strong{display:block;margin-bottom:8px;font-family:var(--display);font-size:12px}.aside-card p{margin:0;color:var(--na-muted);font-size:10px}.share-row{display:flex;gap:7px;flex-wrap:wrap}.share-button{width:36px;height:36px;border:1px solid var(--na-line);border-radius:9px;display:grid;place-items:center;background:#fff;color:#506074;font-size:11px;font-weight:800;cursor:pointer}.share-button:hover{border-color:#9fb7e9;color:var(--na-blue)}
.article-cta{margin-top:48px;padding:31px;border-radius:17px;display:grid;grid-template-columns:1fr auto;gap:25px;align-items:center;background:linear-gradient(135deg,#071629,#103b64);color:#fff}.article-cta h2{margin:0 0 6px!important;color:#fff!important;font-size:22px!important}.article-cta p{margin:0;color:#b9c7d8;font-size:11px}.article-author{margin-top:24px;padding:24px;border:1px solid var(--na-line);border-radius:15px;display:grid;grid-template-columns:54px 1fr;gap:16px;align-items:center;background:#fafbfd}.author-mark{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:var(--na-blue-soft);color:var(--na-blue);font-family:var(--display);font-weight:800}.article-author h3{margin:0 0 4px;font-size:14px}.article-author p{margin:0;color:var(--na-muted);font-size:10.5px}
.related-section{padding:70px 0;background:var(--na-soft)}
.lightbox{position:fixed;inset:0;z-index:200;padding:35px;display:none;align-items:center;justify-content:center;background:rgba(3,11,20,.93)}.lightbox.open{display:flex}.lightbox img{max-width:min(1300px,95vw);max-height:90vh;border-radius:10px}.lightbox-close{position:absolute;right:22px;top:18px;width:43px;height:43px;border:1px solid rgba(255,255,255,.28);border-radius:50%;background:rgba(255,255,255,.08);color:#fff;font-size:25px;cursor:pointer}
@media(max-width:1080px){.blog-hero-grid,.article-hero-grid{grid-template-columns:1fr}.hero-featured{max-width:680px}.article-layout{grid-template-columns:minmax(0,760px) 210px}.article-toc{display:none}.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.feature-grid{grid-template-columns:1fr}.newsletter{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.2fr repeat(2,.8fr)}.footer-col:last-child{display:none}}
@media(max-width:820px){.container{width:min(100% - 28px,1180px)}.utility-bar{display:none}.header-inner{min-height:67px}.brand img{width:182px}.main-nav,.header-actions{display:none}.menu-toggle{display:block}.site-header.menu-open .main-nav{position:absolute;left:14px;right:14px;top:67px;padding:15px;border:1px solid var(--na-line);border-radius:12px;display:grid;gap:0;background:#fff;box-shadow:var(--na-shadow)}.site-header.menu-open .main-nav a{padding:11px}.site-header.menu-open .main-nav a::after{display:none}.blog-hero{padding-top:48px}.blog-search{grid-template-columns:1fr}.filter-row{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;padding-bottom:3px}.feature-main{grid-template-columns:1fr}.article-layout{grid-template-columns:1fr}.article-aside{position:static;grid-template-columns:1fr 1fr}.article-grid{grid-template-columns:1fr 1fr}.newsletter{padding:34px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:580px){.blog-hero h1{font-size:39px}.blog-hero-grid{gap:35px}.hero-featured-media{height:210px}.hero-metrics{gap:21px}.section{padding:56px 0}.section-heading{display:block}.section-heading p{margin-top:10px}.article-grid{grid-template-columns:1fr}.topic-grid{grid-template-columns:1fr 1fr}.article-hero{padding:42px 0}.article-hero h1{font-size:36px}.hero-visual{height:240px}.article-shell{padding-top:36px}.article-body{font-size:15px}.article-body h2{font-size:23px}.article-aside{grid-template-columns:1fr}.article-cta{grid-template-columns:1fr}.newsletter-form{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}