:root{
  --ink:#172033;
  --muted:#5f6c7e;
  --line:#e7e9ee;
  --indigo:#4f46e5;
  --indigo-soft:#f2f1ff;
  --night:#121719;
  --gold:#baa87b;
  --soft:#f8f9fc;
  --paper:#fffdf8;
  --green:#1d6f5e;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--indigo)}
a:focus-visible,button:focus-visible{outline:3px solid #a8b6ff;outline-offset:3px}
.shell{width:min(1060px,calc(100% - 40px));margin:auto}
.skip{position:absolute;left:12px;top:-70px;padding:12px 16px;background:#fff;z-index:100}.skip:focus{top:12px}
.topbar{border-bottom:1px solid var(--line);background:rgba(255,255,255,.97);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.topbar-inner{min-height:65px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.mark{font:italic 36px/1 Georgia,serif;color:var(--gold);letter-spacing:-.12em}
.brand-copy{font-size:.76rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}
.nav{margin-left:auto;display:flex;align-items:center;gap:18px}
.nav a{text-decoration:none;color:#526074;font-size:.85rem;font-weight:750}
.nav a:hover,.nav a.active,.nav a:focus-visible{color:var(--indigo)}
.nav .read{background:var(--night);color:#fff;border-radius:10px;padding:10px 15px}.nav .read:hover{color:#fff}
.hero{padding:72px 0 66px;background:radial-gradient(circle at 88% 7%,rgba(79,70,229,.11),transparent 32%),linear-gradient(180deg,#fff,#fffdf8)}
.hero-inner{max-width:880px}
.eyebrow{font-size:.72rem;font-weight:850;letter-spacing:.15em;text-transform:uppercase;color:var(--indigo);margin:0 0 15px}
h1{font-size:clamp(2.8rem,6.3vw,5rem);line-height:1.02;letter-spacing:-.055em;margin:0 0 22px;font-weight:850}
.lede{max-width:800px;font-size:clamp(1.04rem,1.8vw,1.2rem);line-height:1.72;color:#4e5b6f;margin:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:49px;padding:12px 18px;border-radius:12px;text-decoration:none;font-size:.94rem;font-weight:850}
.btn-dark{background:var(--night);color:#fff}.btn-dark:hover{color:#fff;background:#2d373d}
.btn-light{background:#fff;color:var(--ink);border:1px solid #d9dee7}.btn-light:hover{border-color:var(--indigo);color:var(--ink)}
.section{padding:66px 0}.section.soft{background:var(--soft);border-block:1px solid var(--line)}
.section-title{font-size:clamp(2rem,4vw,3.15rem);line-height:1.08;letter-spacing:-.045em;margin:0 0 16px}
.section-intro{max-width:780px;color:var(--muted);line-height:1.74;font-size:1.01rem;margin:0}
.issue-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);gap:18px;margin-top:30px}
.issue-card,.side-card{border:1px solid var(--line);border-radius:20px;background:#fff;padding:27px}
.issue-card{box-shadow:0 16px 38px rgba(23,32,51,.055)}
.issue-meta{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:16px}
.pill{display:inline-flex;align-items:center;min-height:28px;border-radius:999px;padding:5px 10px;font-size:.68rem;font-weight:850;letter-spacing:.09em;text-transform:uppercase;background:var(--indigo-soft);color:var(--indigo);border:1px solid #dedbff}
.pill.open{background:#f1faf7;color:var(--green);border-color:#d8eee7}
.issue-card h2,.issue-card h3,.side-card h3{letter-spacing:-.025em;margin:0 0 10px}
.issue-card h2{font-size:1.8rem}.issue-card h3,.side-card h3{font-size:1.12rem}
.issue-card p,.side-card p,.issue-card li{color:var(--muted);line-height:1.7}
.issue-card p{margin:0 0 15px}.side-card p{margin:0 0 14px}
.issue-link{display:inline-flex;margin-top:4px;font-size:.91rem;font-weight:850;text-decoration:none}.issue-link:hover{text-decoration:underline}
.question-list{display:grid;gap:10px;margin-top:17px}
.question-row{display:block;padding:15px 16px;border:1px solid var(--line);border-radius:13px;text-decoration:none;background:#fff;color:var(--ink)}
.question-row:hover{border-color:#b9b5f0;color:var(--ink);background:#fdfdff}
.question-row strong{display:block;font-size:.92rem}.question-row span{display:block;margin-top:4px;color:#6a7688;font-size:.82rem;line-height:1.5}
.notice{padding:19px 21px;border-left:4px solid var(--gold);background:#fffcf4;border-radius:0 14px 14px 0;color:#596577;line-height:1.72;margin-top:24px}
.notice strong{color:var(--ink)}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 255px;gap:52px;padding-top:60px;padding-bottom:78px}
.article{min-width:0}
.article section{scroll-margin-top:90px;padding:0 0 34px;margin:0 0 34px;border-bottom:1px solid var(--line)}
.article section:last-child{border-bottom:0;margin-bottom:0}
.article h2{font-size:clamp(1.65rem,3vw,2.3rem);letter-spacing:-.035em;margin:0 0 14px}
.article h3{font-size:1.15rem;margin:24px 0 9px}
.article p,.article li{color:#536075;line-height:1.78}.article p{margin:0}.article p+p{margin-top:13px}
.article ul,.article ol{padding-left:22px}.article li{margin:8px 0}
.article strong{color:var(--ink)}
.article a{font-weight:750;text-underline-offset:3px}
.toc{position:sticky;top:92px;align-self:start;display:grid;gap:4px}
.toc strong{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:#778396;margin:0 0 7px 9px}
.toc a{padding:8px 10px;border-radius:8px;color:#667085;text-decoration:none;font-size:.86rem;font-weight:700}
.toc a:hover{background:var(--soft);color:var(--ink)}
.current-example{margin:19px 0 4px;padding:23px;border:1px solid #deddf1;border-radius:18px;background:linear-gradient(145deg,#fff,#fafaff)}
.current-example .ref{color:var(--indigo);font-size:.72rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.quote{padding:16px;border:1px solid var(--line);border-radius:13px;background:#f8f9fb}
.quote.current{background:var(--indigo-soft);border-color:#dedbff}
.quote small{display:block;color:#748094;font-size:.69rem;font-weight:850;letter-spacing:.09em;text-transform:uppercase;margin-bottom:8px}
.quote p{font:500 1.04rem/1.62 Georgia,"Times New Roman",serif;color:#273244;margin:0}
.source-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:19px}
.source-card{border:1px solid var(--line);border-radius:16px;padding:20px;background:#fff}
.source-card .source-type{color:var(--indigo);font-size:.67rem;font-weight:850;letter-spacing:.1em;text-transform:uppercase}
.source-card h3{font-size:1.05rem;margin:8px 0}
.source-card p{font-size:.9rem;line-height:1.63;margin:0 0 12px}
.source-card a{font-size:.86rem}
.github-list{display:grid;gap:11px;margin-top:20px}
.github-item{display:block;border:1px solid var(--line);border-radius:14px;padding:17px 18px;text-decoration:none;color:var(--ink);background:#fff}
.github-item:hover{border-color:#bbb8e8;color:var(--ink)}
.github-item strong{display:block;font-size:.93rem}
.github-item span{display:block;color:#687588;font-size:.82rem;line-height:1.55;margin-top:5px}
.attribution{margin-top:18px;padding:15px 17px;border-radius:12px;background:#f6f7fa;color:#687588;font-size:.82rem;line-height:1.65}
.footer{border-top:1px solid var(--line);padding:28px 0;color:#758093;font-size:.82rem}
.footer-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:22px}
.footer-links{display:flex;flex-wrap:wrap;gap:14px}.footer a{text-decoration:none;color:#526074}.footer a:hover{color:var(--indigo)}
@media(max-width:840px){.issue-grid,.article-wrap{grid-template-columns:1fr}.toc{position:static;display:flex;flex-wrap:wrap;gap:4px;border-bottom:1px solid var(--line);padding-bottom:22px}.toc strong{width:100%}.source-grid{grid-template-columns:1fr}}
@media(max-width:650px){.shell{width:min(100% - 30px,1060px)}.brand-copy{font-size:.68rem}.nav a:not(.read):not(.active){display:none}.hero{padding:48px 0 51px}.section{padding:54px 0}.compare{grid-template-columns:1fr}.issue-card,.side-card{padding:22px}.article-wrap{padding-top:42px}.footer-inner{flex-direction:column}}