:root{--bg:#fafaf7;--fg:#1c1c1a;--muted:#60605b;--accent:#2757c7;--card:#fff;--line:#deded6;--soft:#eeeee7;--code:#eeeee8;color-scheme:light dark}
@media(prefers-color-scheme:dark){:root{--bg:#141413;--fg:#ecece6;--muted:#aaa9a1;--accent:#94b4ff;--card:#1d1d1b;--line:#35352e;--soft:#242420;--code:#20201d}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--fg);font:17px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px;border-radius:2px}.wrap{max-width:1120px;margin:0 auto;padding:0 28px;width:100%}header{padding:23px 0;border-bottom:1px solid var(--line)}.header-inner{display:flex;justify-content:space-between;gap:28px;align-items:center}.brand{color:var(--fg);font-weight:750;font-size:20px;text-decoration:none;white-space:nowrap}.brand span{display:block;color:var(--muted);font-size:11px;font-weight:500;letter-spacing:.025em}nav{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;font-size:14px}nav a{color:var(--muted);text-decoration:none}nav a:hover{color:var(--accent)}.nav-group{display:flex;gap:5px;align-items:center}.nav-group details{position:relative}.nav-group summary{cursor:pointer;list-style:none;color:var(--muted);padding:5px}.nav-group summary::-webkit-details-marker{display:none}.submenu{position:absolute;z-index:20;right:0;top:36px;min-width:205px;background:var(--card);border:1px solid var(--line);padding:10px;border-radius:8px;box-shadow:0 10px 30px #0002}.submenu a{display:block;padding:9px 12px}.submenu a:hover{background:var(--soft)}main{flex:1}.breadcrumb{color:var(--muted);font-size:13px;padding-top:28px;overflow-wrap:anywhere}.breadcrumb span{padding:0 8px}.breadcrumb a{color:var(--muted)}.page-layout{padding:48px 0 76px}.page-layout article{max-width:850px}.page-layout:has(.hero) article{max-width:none}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.13em;font-weight:700;color:var(--accent);margin:0 0 15px}h1{font-size:clamp(34px,4.5vw,54px);line-height:1.12;margin:0 0 22px;letter-spacing:-.035em;overflow-wrap:anywhere}h2{font-size:27px;line-height:1.3;letter-spacing:-.02em;margin:46px 0 16px}h3{font-size:22px;line-height:1.35;margin:32px 0 14px}.lead{font-size:20px;line-height:1.65;color:var(--muted);max-width:650px;margin:0 0 28px}p{margin:16px 0;overflow-wrap:anywhere}.hero{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:44px;padding:16px 0 60px}.hero h1{font-size:clamp(36px,4.5vw,54px)}.hero .lead{max-width:510px}.hero-logo{display:block;width:100%;height:auto;mix-blend-mode:multiply}@media(prefers-color-scheme:dark){.hero-logo{filter:invert(1);mix-blend-mode:screen}}.primary{display:inline-flex;gap:24px;margin-top:5px;padding:12px 18px;border-radius:7px;background:var(--accent);color:var(--bg);font-size:15px;font-weight:650;text-decoration:none}.section-title{font-size:14px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:0 0 10px}.entry-list{border-top:1px solid var(--line)}.entry{display:flex;align-items:center;justify-content:space-between;gap:30px;border-bottom:1px solid var(--line);padding:25px 0;text-decoration:none;color:var(--fg)}.entry h2{font-size:23px;margin:0 0 7px}.entry p{font-size:16px;color:var(--muted);margin:0;max-width:720px}.entry>span{font-size:25px;color:var(--accent)}.entry:hover h2{color:var(--accent)}.article-layout{display:grid;grid-template-columns:220px minmax(0,760px);gap:60px;padding:46px 0 80px}.article-layout article{min-width:0}.toc{position:sticky;top:24px;align-self:start;border-left:1px solid var(--line);padding-left:18px;font-size:13px;line-height:1.55}.toc strong{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:15px}.toc a{display:block;color:var(--muted);text-decoration:none;margin:14px 0}.toc a:hover{color:var(--accent)}.article-note{font-size:14px;color:var(--muted);padding:16px 0;border-block:1px solid var(--line);margin:25px 0 32px}.limits{color:var(--muted)}.limits strong{color:var(--fg)}.resource-links{font-size:14px}.resource-section{padding-bottom:22px;border-bottom:1px solid var(--line)}.next-reading{border-top:1px solid var(--line);margin-top:48px;padding-top:24px;display:flex;flex-direction:column;gap:8px}.next-reading span{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.next-reading a{font-size:19px;font-weight:600}.code-block{position:relative;margin:20px 0}pre{background:var(--code);border:1px solid var(--line);padding:52px 20px 20px;border-radius:8px;overflow:auto;font-size:14px;line-height:1.65;tab-size:2}code{font-family:Consolas,"Liberation Mono",monospace;font-size:.88em}pre code{font-size:inherit;overflow-wrap:normal}.copy-button{position:absolute;right:12px;top:10px;background:var(--card);border:1px solid var(--line);color:var(--fg);border-radius:4px;padding:5px 10px;cursor:pointer;font:12px system-ui}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:15px;text-align:left}th,td{padding:13px 15px;border:1px solid var(--line)}th{background:var(--soft)}hr{border:0;border-top:1px solid var(--line);margin:36px 0}.contact-email{font-size:clamp(18px,3vw,26px)}footer{border-top:1px solid var(--line);padding:26px 0;font-size:13px;color:var(--muted)}.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-inner div{display:flex;gap:22px}.footer-inner a{color:var(--muted)}.skip{position:absolute;left:20px;top:-100px;z-index:100;padding:10px 16px;background:var(--card)}.skip:focus{top:10px}.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}
@media(max-width:1000px){.header-inner{align-items:flex-start;flex-direction:column;gap:16px}.article-layout{grid-template-columns:175px minmax(0,1fr);gap:32px}.hero{gap:25px}}
@media(max-width:700px){.wrap{padding:0 20px}header{padding:18px 0}nav{gap:10px 17px;font-size:13px}.nav-group{gap:1px}.hero{grid-template-columns:1fr;padding:0 0 44px;gap:24px}.hero-logo{max-width:340px;justify-self:center;order:-1}.hero h1{font-size:38px}.hero .lead{font-size:18px}.page-layout{padding:32px 0 52px}.article-layout{display:block;padding:30px 0 55px}.toc{position:static;border-left:0;border-bottom:1px solid var(--line);padding:0 0 16px;margin-bottom:30px}.toc a{margin:8px 0}.toc strong{margin-bottom:10px}h2{font-size:25px}h3{font-size:21px}.lead{font-size:19px}.entry{padding:22px 0}.entry h2{font-size:21px}.submenu{right:auto;left:-120px}.footer-inner{flex-direction:column;gap:12px}pre{font-size:12px;padding-left:14px;padding-right:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{header,.toc,.copy-button,footer,.breadcrumb,.next-reading{display:none}.article-layout{display:block;padding:0}.wrap{max-width:none;padding:0}body{background:white;color:black;font-size:11pt}a{color:black}pre{white-space:pre-wrap}.hero-logo{max-width:250px}}

/* Expanded navigation and new article content, October 25 update. */
.header-inner{align-items:flex-start;flex-direction:column;gap:16px}nav{gap:10px 22px}.contact-address code{overflow-wrap:anywhere;word-break:break-word}.before-start h2{margin-top:20px}article li{margin-bottom:12px}article ul,article ol{padding-left:25px}article cite{font-style:italic}@media(min-width:1100px){.wrap{max-width:1200px}.article-layout{grid-template-columns:225px minmax(0,780px);gap:70px}}@media(max-width:700px){nav{font-size:14px;gap:10px 18px}.nav-group summary{padding:7px}.entry p{font-size:16px}}