:root{--paper:#f4f4f0;--surface:#fff;--ink:#1b2730;--muted:#65727a;--line:#d9dedc;--blue:#24566c;--blue-soft:#e8eff1;--rust:#9b563d;--code:#17232d;--max:1240px;--reading:760px;--sans:Inter,"Segoe UI",Roboto,Arial,sans-serif;--serif:Georgia,"Times New Roman",serif;--mono:"Cascadia Code",Consolas,monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.58;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}button,input{font:inherit}.skip-link{position:absolute;left:-9999px;top:8px;z-index:50;background:var(--ink);color:#fff;padding:10px 14px}.skip-link:focus{left:12px}.site-shell{width:min(var(--max),calc(100% - 64px));margin:0 auto}
.masthead{background:var(--paper);border-bottom:1px solid var(--line)}.masthead-top{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px}.brand-name{display:block;font-family:var(--serif);font-weight:700;font-size:23px;letter-spacing:-.55px;line-height:1.05}.brand-subtitle{display:block;margin-top:5px;color:var(--muted);font-size:9px;font-weight:700;letter-spacing:1.65px;text-transform:uppercase}.header-meta{display:flex;gap:21px;color:var(--muted);font-size:12px}
.primary-nav{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;min-height:46px;gap:20px}.nav-links{display:flex;gap:29px}.nav-links a{font-size:12px;font-weight:650;color:#36434b;padding:13px 0 11px;border-bottom:2px solid transparent}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--blue);border-color:var(--blue)}.nav-tools{display:flex;align-items:center;gap:15px}.edition{color:var(--muted);font-size:10px;letter-spacing:.8px;text-transform:uppercase}.search-form{display:flex;gap:7px;border-bottom:1px solid #aeb9b7;padding:5px 0}.search-form input{width:148px;border:0;outline:0;background:transparent;font-size:11px}.search-form button{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:11px}
main{padding-bottom:80px}.kicker{color:var(--rust);font-size:10px;font-weight:750;letter-spacing:1.8px;text-transform:uppercase}.hero{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.78fr);gap:54px;padding:56px 0 48px;border-bottom:1px solid var(--line)}.hero h1{max-width:800px;margin:15px 0 18px;font-family:var(--serif);font-size:clamp(40px,5.4vw,68px);line-height:.99;font-weight:500;letter-spacing:-2.1px}.hero-lede{max-width:690px;margin:0;color:#4b5961;font-family:var(--serif);font-size:20px;line-height:1.42}.hero-rule{width:62px;height:3px;margin:27px 0 24px;background:var(--blue)}.hero-actions{display:flex;gap:22px;flex-wrap:wrap}.text-link{display:inline-flex;gap:8px;color:var(--blue);font-size:12px;font-weight:750;border-bottom:1px solid #9bb1b9;padding-bottom:4px}
.hero-aside{align-self:end;border-left:1px solid var(--line);padding:8px 0 6px 25px}.aside-label{color:var(--muted);font-size:9px;font-weight:750;letter-spacing:1.65px;text-transform:uppercase}.aside-note{padding:15px 0;border-bottom:1px solid var(--line)}.aside-note:last-child{border:0}.aside-note .date{color:var(--muted);font-size:10px}.aside-note h3{margin:5px 0 0;font-family:var(--serif);font-size:18px;font-weight:500;line-height:1.2}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin:46px 0 19px}.section-head h2{margin:0;font-family:var(--serif);font-size:29px;font-weight:500}.section-head a{color:var(--blue);font-size:11px;font-weight:700}.content-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(270px,.8fr);gap:52px}
.feature-card{display:grid;grid-template-columns:1.06fr .94fr;background:var(--surface);border:1px solid var(--line)}.feature-copy{padding:29px 30px 26px;display:flex;flex-direction:column;align-items:flex-start}.tag{color:var(--blue);font-size:9px;font-weight:800;letter-spacing:1.25px;text-transform:uppercase}.tag:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--rust);margin-right:7px}.feature-card h3{margin:16px 0 12px;font-family:var(--serif);font-size:clamp(23px,2.4vw,31px);line-height:1.1;font-weight:500}.feature-card p{margin:0 0 22px;color:#5a666d;font-size:13px}.feature-meta{margin-top:auto;color:var(--muted);font-size:10px}.feature-visual{min-height:260px;display:flex;flex-direction:column;justify-content:space-between;padding:22px;background:#e9eeec;border-left:1px solid var(--line)}.visual-topline{color:#64757d;font-family:var(--mono);font-size:9px}.terminal-visual{background:#182630;padding:17px;color:#dbe4e6;font-family:var(--mono);font-size:10px;line-height:1.8;box-shadow:8px 8px 0 rgba(36,86,108,.1)}.terminal-visual .dim{color:#90a7ae}.terminal-visual .accent{color:#d5a48b}.terminal-visual .prompt{color:#8fb9bc}.reading-time{align-self:flex-end;color:#596c72;font-size:10px}
.sidebar-block{border-top:2px solid var(--ink);padding-top:13px}.sidebar-block+.sidebar-block{margin-top:27px}.sidebar-block h3{margin:0 0 10px;font-family:var(--serif);font-size:20px;font-weight:500}.topic-list{list-style:none;margin:0;padding:0}.topic-list li{border-top:1px solid var(--line)}.topic-list a{display:flex;justify-content:space-between;padding:10px 0;font-size:12px}.topic-list small{color:var(--muted);font-size:10px}
.latest-list{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.latest-item{min-height:156px;padding:18px 22px 18px 0}.latest-item+.latest-item{padding-left:22px;border-left:1px solid var(--line)}.latest-item .date{color:var(--muted);font-size:9px;letter-spacing:.8px;text-transform:uppercase}.latest-item h3{margin:9px 0 12px;font-family:var(--serif);font-size:20px;line-height:1.17;font-weight:500}.latest-item p{margin:0;color:var(--muted);font-size:11px}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.topic-card{min-height:128px;padding:17px 18px;border:1px solid var(--line);background:rgba(255,255,255,.55)}.topic-card:hover{background:#fff;border-color:#9cabb0}.topic-number{color:var(--rust);font-family:var(--mono);font-size:10px}.topic-card h3{margin:10px 0 6px;font-family:var(--serif);font-size:19px;font-weight:500}.topic-card p{margin:0;color:var(--muted);font-size:10px}
.editorial-note{display:grid;grid-template-columns:1fr 1fr;gap:42px;padding:28px 0 0;margin-top:48px;border-top:2px solid var(--ink)}.editorial-note h2{margin:0;font-family:var(--serif);font-size:30px;line-height:1.08;font-weight:500}.editorial-note p{margin:0;color:#57636a;font-size:13px;line-height:1.75}
.site-footer{border-top:1px solid var(--line);background:#eceeea}.footer-inner{display:flex;justify-content:space-between;gap:30px;padding:28px 0 34px}.footer-brand p{color:var(--muted);font-family:var(--serif);font-size:15px}.footer-links{display:flex;gap:22px;flex-wrap:wrap;color:var(--muted);font-size:11px}.footer-bottom{border-top:1px solid var(--line);padding:11px 0;color:var(--muted);font-size:9px}
.article-header{padding:48px 0 34px;border-bottom:1px solid var(--line)}.breadcrumbs{color:var(--muted);font-size:10px;margin-bottom:29px}.breadcrumbs a{color:var(--blue)}.article-header h1{max-width:900px;margin:12px 0 16px;font-family:var(--serif);font-size:clamp(37px,5vw,57px);line-height:1.03;font-weight:500;letter-spacing:-1.5px}.article-deck{max-width:850px;margin:0;color:#526068;font-family:var(--serif);font-size:19px;line-height:1.48}.article-meta{display:flex;gap:17px;flex-wrap:wrap;margin-top:22px;color:var(--muted);font-size:10px}.status-line{display:inline-flex;gap:8px;padding:8px 11px;margin-top:24px;background:var(--blue-soft);color:#355a69;font-size:10px}.status-line:before{content:"";width:6px;height:6px;border-radius:50%;background:#55806f}
.article-layout{display:grid;grid-template-columns:190px minmax(0,var(--reading)) 1fr;gap:38px;align-items:start;padding-top:36px}.toc{position:sticky;top:20px;padding-top:13px;border-top:2px solid var(--ink)}.toc-title{color:var(--muted);font-size:9px;font-weight:800;letter-spacing:1.3px;text-transform:uppercase}.toc ol{padding-left:16px;margin:13px 0}.toc li{padding:0 0 10px;color:var(--muted);font-size:10px;line-height:1.35}
.article-body{min-width:0;font-size:15px;line-height:1.78}.article-body p{margin:0 0 19px;color:#37444c}.article-body h2{margin:46px 0 16px;padding-top:15px;border-top:1px solid var(--line);font-family:var(--serif);font-size:31px;line-height:1.13;font-weight:500}.article-body h3{margin:29px 0 9px;font-family:var(--serif);font-size:22px;font-weight:500}.article-body ul,.article-body ol{padding-left:22px;margin:0 0 21px;color:#37444c}.article-body li{margin:0 0 7px}.article-body a{color:var(--blue);border-bottom:1px solid #9eb2b9}.article-body code{font-family:var(--mono);font-size:.86em;background:#e8ece9;padding:2px 4px}.article-body pre{overflow-x:auto;margin:19px 0 25px;padding:20px 22px;background:var(--code);color:#e7edf0;font-family:var(--mono);font-size:11px;line-height:1.65;border-left:3px solid #8b5947}.article-body pre code{padding:0;background:none;color:inherit;font-size:inherit}
.callout{margin:23px 0;padding:17px 19px;background:var(--blue-soft);border:1px solid #d3e0e2}.callout strong{display:block;margin-bottom:4px;color:var(--blue);font-size:10px;letter-spacing:1px;text-transform:uppercase}.callout p{margin:0;font-size:13px}.data-table{width:100%;border-collapse:collapse;margin:21px 0 26px;font-size:12px;line-height:1.5}.data-table th{text-align:left;background:#e6ebe8;color:#293c46;font-size:10px;letter-spacing:.5px;text-transform:uppercase}.data-table th,.data-table td{padding:11px 12px;border:1px solid var(--line);vertical-align:top}.data-table td{background:rgba(255,255,255,.58);color:#405058}.reference-list li{margin-bottom:9px;font-size:12px;line-height:1.55}.article-aside{position:sticky;top:20px;border-top:2px solid var(--ink);padding-top:13px;color:var(--muted);font-size:11px}.article-aside strong{color:var(--ink)}.page-end{margin:42px 0 0;padding-top:17px;border-top:1px solid var(--line);color:var(--muted);font-size:10px}.search-results{margin:20px 0;padding:16px;border:1px solid var(--line);background:#fff;display:none}.search-results.is-visible{display:block}
@media(max-width:980px){.site-shell{width:min(100% - 40px,var(--max))}.hero{grid-template-columns:1fr;gap:28px}.hero-aside{display:grid;grid-template-columns:repeat(2,1fr);gap:0 20px;border-left:0;border-top:1px solid var(--line);padding:17px 0 0}.aside-label{grid-column:1/-1}.content-grid{grid-template-columns:1fr;gap:30px}.content-grid aside{display:grid;grid-template-columns:1fr 1fr;gap:28px}.article-layout{grid-template-columns:155px minmax(0,1fr);gap:28px}.article-aside{display:none}}
@media(max-width:680px){.site-shell{width:calc(100% - 34px)}.masthead-top{min-height:72px}.brand-mark{width:36px;height:36px}.brand-name{font-size:20px}.header-meta{gap:12px;font-size:10px}.primary-nav{align-items:flex-start;padding-bottom:9px;flex-direction:column}.nav-links{width:100%;gap:21px;overflow-x:auto}.nav-links a{white-space:nowrap;padding:10px 0 8px;font-size:11px}.nav-tools{width:100%;justify-content:space-between}.search-form input{width:190px}.hero{padding:39px 0 34px}.hero h1{font-size:43px;letter-spacing:-1.3px}.hero-lede{font-size:17px}.hero-aside{grid-template-columns:1fr}.feature-card{grid-template-columns:1fr}.feature-copy{padding:23px}.feature-visual{min-height:190px;border-left:0;border-top:1px solid var(--line)}.latest-list{grid-template-columns:1fr}.latest-item{min-height:0;padding:16px 0}.latest-item+.latest-item{padding-left:0;border-left:0;border-top:1px solid var(--line)}.topic-grid{grid-template-columns:repeat(2,1fr)}.editorial-note{grid-template-columns:1fr;gap:15px}.content-grid aside{grid-template-columns:1fr}.footer-inner{flex-direction:column}.article-header{padding:34px 0 26px}.article-header h1{font-size:39px}.article-deck{font-size:17px}.article-layout{display:block;padding-top:22px}.toc{position:static;margin-bottom:27px}.toc ol{columns:2}.article-body{font-size:14px}.article-body h2{font-size:27px;margin-top:36px}.data-table{display:block;overflow-x:auto;white-space:nowrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* Mobile overflow guard — keep editorial layouts inside the viewport. */
@media(max-width:680px){
  .site-shell{max-width:100%;min-width:0}
  .masthead-top>*,.primary-nav>*,.hero>*,.feature-card>*,.content-grid>*,.editorial-note>*{min-width:0;max-width:100%}
  .hero>div:first-child{width:100%;min-width:0}
  .hero h1{max-width:100%;font-size:38px;letter-spacing:-1.05px;overflow-wrap:break-word}
  .hero-lede,.kicker,.aside-note h3,.feature-card h3{max-width:100%;overflow-wrap:break-word}
  .header-meta span{display:none}
  .nav-links,.nav-tools{max-width:100%;min-width:0}
  .search-form{min-width:0;max-width:100%}
  .search-form input{min-width:0;width:min(190px,52vw)}
}

@media(max-width:680px){.hero h1{font-size:34px;letter-spacing:-1.1px;line-height:1.02}.hero-lede{font-size:16px;line-height:1.48}.kicker{font-size:9px;letter-spacing:1.2px}}