@font-face{font-family:Newsreader;font-style:normal;font-weight:400 700;font-display:swap;src:url('/brand/fonts/newsreader-latin.woff2') format('woff2')}
@font-face{font-family:Newsreader;font-style:italic;font-weight:400 700;font-display:swap;src:url('/brand/fonts/newsreader-latin-italic.woff2') format('woff2')}
@font-face{font-family:'Libre Franklin';font-style:normal;font-weight:400 800;font-display:swap;src:url('/brand/fonts/libre-franklin-latin.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url('/brand/fonts/ibm-plex-mono-latin-400.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url('/brand/fonts/ibm-plex-mono-latin-500.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:600;font-display:swap;src:url('/brand/fonts/ibm-plex-mono-latin-600.woff2') format('woff2')}
:root{--paper:#f4efe6;--paper2:#ece5d8;--paper3:#fbf8f2;--ink:#1b1814;--ink-soft:#4b453c;--muted:#685f53;--rule:#cfc6b5;--night:#16130f;--red:#b5392b;--red-dark:#8e2c20;--red-tint:#ebd9d2;--press-dim:#df8d7e;--serif:Newsreader,Georgia,serif;--sans:'Libre Franklin',Arial,sans-serif;--mono:'IBM Plex Mono',monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:400 1rem/1.75 var(--sans);-webkit-font-smoothing:antialiased}::selection{background:var(--red-tint);color:var(--ink)}a{color:var(--red-dark);text-underline-offset:.22em;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible,pre:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--red);outline-offset:5px}p,h1,h2,h3,h4,figure,dl,dd{margin:0}p,li,dd,td{overflow-wrap:break-word}p+p{margin-top:1rem}ul,ol{padding-left:1.45rem}li+li{margin-top:.5rem}img{display:block;max-width:100%;height:auto}.wrap{width:min(1140px,calc(100% - 64px));margin-inline:auto}.skip-link{position:fixed;top:12px;left:12px;z-index:100;padding:12px 18px;background:var(--paper3);color:var(--ink);transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}
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.contents{background:var(--paper3);border-bottom:1px solid var(--rule);position:sticky;top:0;z-index:20}.contents .wrap{display:flex;flex-wrap:wrap;gap:0 18px;padding:7px 0}.contents a{display:inline-flex;align-items:center;min-height:38px;font:500 .75rem/1.3 var(--mono);text-decoration:none;color:var(--ink-soft)}.contents a:hover{color:var(--red)}.contents a:focus-visible{outline-offset:1px}
.guide section{padding:72px 0;border-bottom:1px solid var(--rule);scroll-margin-top:100px}.section-lead{display:grid;grid-template-columns:minmax(230px,.68fr) minmax(0,1.32fr);gap:48px;margin-bottom:34px;align-items:start}.section-lead h2{font:600 clamp(2.15rem,3.5vw,3.3rem)/1.08 var(--serif);letter-spacing:-.025em;text-wrap:balance}.section-lead p{font:400 1.25rem/1.6 var(--serif);color:var(--ink-soft);max-width:68ch}.guide section>h2{font:600 clamp(2.15rem,3.5vw,3.3rem)/1.08 var(--serif);letter-spacing:-.025em;margin-bottom:24px}.guide h3{font:600 1.6rem/1.25 var(--serif);letter-spacing:-.015em;margin-top:40px;margin-bottom:12px;max-width:42ch;text-wrap:balance}.guide h4{font:600 1.05rem/1.4 var(--sans);margin:26px 0 10px}.guide section>p,.guide section>ul,.guide section>ol:not(.flow),.guide .example>p,.guide .note>p{max-width:74ch}.guide section>p,.guide section>ul,.guide section>ol{margin-top:16px}.guide strong{font-weight:600}.guide code{font:400 .85em/1.6 var(--mono);overflow-wrap:anywhere}.guide p code,.guide li code,.guide dd code,.guide td code{color:var(--red-dark)}
pre{margin:18px 0 24px;padding:22px 26px;background:var(--night);color:var(--paper);border:1px solid var(--night);max-width:100%;overflow:auto;tab-size:2;scrollbar-color:var(--press-dim) #342e27}pre code{font:400 .82rem/1.65 var(--mono)!important;overflow-wrap:normal;white-space:pre}pre:focus-visible{outline-offset:3px}.example{margin:30px 0;border-top:2px solid var(--ink);padding-top:20px}.example h3{margin-top:0}.note{margin:26px 0;padding:20px 24px;background:var(--paper2);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);font-size:.94rem;max-width:80ch}.note h3{margin-top:0}.note p{margin:0}.note p+p{margin-top:12px}.note strong{color:var(--red-dark)}
.table-wrap{margin:28px 0;overflow:auto;max-width:100%;scrollbar-color:var(--muted) var(--paper2)}table{width:100%;border-collapse:collapse;font-size:.88rem;line-height:1.65;background:var(--paper3)}caption{text-align:left;font:600 1.25rem/1.3 var(--serif);padding:0 0 12px;color:var(--ink)}th,td{text-align:left;vertical-align:top;padding:15px 18px;border-bottom:1px solid var(--rule)}thead th{background:var(--paper2);font-weight:600;border-top:2px solid var(--ink)}tbody th{font-weight:600;min-width:140px}td{min-width:150px}td code,th code{font-size:.75rem!important}table p+p{margin-top:10px}.facts{margin:26px 0;display:grid;grid-template-columns:minmax(180px,.65fr) minmax(0,1.35fr);border-top:2px solid var(--ink)}.facts>div{display:contents}.facts dt{font-weight:600;padding:16px 22px 16px 0;border-bottom:1px solid var(--rule)}.facts dd{padding:16px 0;border-bottom:1px solid var(--rule);max-width:74ch}
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.companion{padding:52px 0;background:var(--paper2);border-bottom:1px solid var(--rule)}.companion .wrap{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.companion h2{font:600 2rem/1.15 var(--serif)}.companion p{margin-top:12px;max-width:70ch;font-size:.95rem}.companion a{font-weight:600;min-height:44px;display:inline-flex;align-items:center}.footer{padding:32px 0 42px;background:var(--night);color:#cfc6b5;font-size:.8rem}.footer .wrap{display:flex;justify-content:space-between;gap:32px;align-items:center}.footer img{width:210px}.footer p{max-width:62ch;text-align:right}.footer a{color:var(--paper)}
@media(min-width:1000px){.guide section>p,.guide section>ul,.guide section>ol:not(.flow),.guide section>h3,.guide section>h4{margin-left:calc(34% + 16px)}.guide section>h3,.guide section>h4{max-width:44ch}.guide section>.note{margin-left:calc(34% + 16px);max-width:none}.guide section>.example{margin-left:calc(34% + 16px)}}
@media(max-width:800px){html{scroll-padding-top:130px}.wrap{width:calc(100% - 40px)}.topbar .wrap{min-height:78px}.brand-link img{width:210px}.top-meta{font-size:.72rem;max-width:130px}.hero-grid{grid-template-columns:1fr;gap:36px;padding:50px 0 44px}.hero h1{max-width:19ch}.hero-aside{max-width:600px}.hero-meta{display:grid;grid-template-columns:1fr 1fr;gap:0 22px}.hero-meta div:last-child{grid-column:1 / -1}.contents .wrap{gap:0 17px}.contents a{font-size:.7rem;min-height:35px}.guide section{padding:48px 0;scroll-margin-top:130px}.section-lead{grid-template-columns:1fr;gap:18px;margin-bottom:26px}.section-lead p{font-size:1.18rem}.table-wrap{overflow:visible}table,thead,tbody,tr,th,td{display:block}thead{display:table-header-group;position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}tr{padding:15px 18px;border-bottom:1px solid var(--rule)}th,td{padding:0;border:0;min-width:0}tbody th{min-width:0;margin-bottom:12px}td+td{margin-top:12px}td[data-label]::before{content:attr(data-label);display:block;font:600 .75rem/1.5 var(--sans);color:var(--muted);margin-bottom:4px}caption{display:block}td code,th code{font-size:.8rem!important}.facts{grid-template-columns:1fr}.facts dt{padding:16px 0 4px;border:0}.facts dd{padding:0 0 16px}.tool-list{columns:1}.flow>li{padding:18px 16px;grid-template-columns:30px minmax(0,1fr);gap:14px}.diagram{padding:22px 16px}.companion .wrap{grid-template-columns:1fr;gap:18px}.footer .wrap{display:block}.footer p{margin-top:20px;text-align:left}pre{padding:18px 16px}.note{padding:18px 20px}}
@media(max-width:430px){.top-meta{display:none}.hero-meta{grid-template-columns:1fr}.hero-meta div:last-child{grid-column:auto}.hero h1{font-size:2.8rem}.standfirst{font-size:1.2rem}.contents{position:static}.guide section{scroll-margin-top:20px}body{font-size:.96rem}.wrap{width:calc(100% - 36px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.skip-link,.contents,.top-meta{display:none}.hero,.topbar,.footer{background:white;color:var(--ink);border-color:var(--ink)}.hero h1 em,.standfirst,.hero-meta dt,.hero-meta dd{color:var(--ink)}.hero-grid{padding:30px 0}.guide section{padding:30px 0;break-inside:auto}.wrap{width:100%}.section-lead{gap:24px}pre{white-space:pre-wrap;overflow:visible;background:var(--paper2);color:var(--ink)}pre code{white-space:pre-wrap!important;overflow-wrap:anywhere!important}.guide section>p,.guide section>ul,.guide section>h3,.guide section>h4,.guide section>.example,.guide section>.note{margin-left:0}.topbar img,.footer img{display:none}h2,h3{break-after:avoid}tr,figure{break-inside:avoid}}
/* Reference groups retain their headings and definitions on a single reading axis. */
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@media(max-width:800px){.tool-list dl{grid-template-columns:1fr}.tool-list dt{padding-bottom:4px;border:0}.tool-list dd{padding-top:0}.example h4{margin-top:0}}
/* The skip target receives focus without drawing a page-length control outline. */
.guide:focus-visible{outline:none}

@media print{.footer,.footer p,.footer a{color:var(--ink)}}