:root{--bg:#fdfcf8;--surface:#f5f2ea;--text:#1f2a22;--muted:#55604f;--accent:#2f6b3f;--accent-text:#ffffff;--border:#ddd8c8;--code-bg:#efece2;--font-head:'Playfair Display', Georgia, serif;--font-body:'Lora', system-ui, sans-serif;--font-mono:ui-monospace, Consolas, monospace;--radius:2px;--measure:66ch;--scale:1.28}@media (prefers-color-scheme:dark){:root{--bg:#131a15;--surface:#1b241d;--text:#ecefe6;--muted:#aeb8a8;--accent:#8fd19e;--accent-text:#0e1f13;--border:#2e3a31;--code-bg:#222c24}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:1.0625rem/1.65 var(--font-body);overflow-wrap:break-word}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.2;margin:1.6em 0 .5em}
h1{font-size:calc(1rem * var(--scale) * var(--scale) * var(--scale));margin-top:.4em}
h2{font-size:calc(1rem * var(--scale) * var(--scale))}h3{font-size:calc(1rem * var(--scale))}
p,ul,ol,table,pre,blockquote{margin:0 0 1.1em}
a{color:var(--accent);text-underline-offset:.15em}a:hover{text-decoration-thickness:2px}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
img{max-width:100%;height:auto;border-radius:var(--radius)}
figure{margin:1.5em 0}figcaption{color:var(--muted);font-size:.9em;margin-top:.4em}
.shot img{display:block;border:1px solid var(--border);background:#fff}.shot-credit{display:block;font-size:.9em}
.diagram img{display:block;width:100%;border:1px solid var(--border);background:#fff;border-radius:var(--radius)}
code,pre{font-family:var(--font-mono);font-size:.92em;background:var(--code-bg);border-radius:var(--radius)}
code{padding:.1em .3em}pre{padding:1em;overflow-x:auto}pre code{padding:0;background:none}
blockquote{margin-left:0;padding:.2em 1em;border-left:4px solid var(--accent);color:var(--muted)}
.table-wrap{overflow-x:auto;margin:0 0 1.1em}table{border-collapse:collapse;width:100%;margin:0}
th,td{text-align:left;padding:.5em .6em;border-bottom:1px solid var(--border);vertical-align:top}
th{font-family:var(--font-head)}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-text);padding:.5em 1em;z-index:10}.skip:focus{left:1em}
.wrap{max-width:var(--wrap,72rem);margin:0 auto;padding:0 16px}
.prose{max-width:var(--measure)}
.muted{color:var(--muted)}
.cite{font-size:.75em;line-height:0}.cite a{text-decoration:none}
.sources{margin-top:3em;padding-top:1em;border-top:1px solid var(--border);font-size:.92em}.sources h2{font-size:1.1em;margin-top:0}
.sources li{margin-bottom:.4em}.accessed{color:var(--muted)}
.toc{border:1px solid var(--border);border-radius:var(--radius);padding:.8em 1em;background:var(--surface);font-size:.92em;margin-bottom:1.5em}
.toc-label{font-family:var(--font-head);font-weight:700;margin:0 0 .3em}.toc ol{margin:0;padding-left:1.2em}
.draft-banner{background:#7a1f1f;color:#fff;text-align:center;padding:.4em 16px;font:600 .9rem/1.4 system-ui,sans-serif}
.site-footer{border-top:1px solid var(--border);margin-top:4em;padding:2em 0;color:var(--muted);font-size:.9em}
.site-footer nav{display:flex;flex-wrap:wrap;gap:.4em 1.2em;margin-bottom:.6em}
.brand{display:inline-flex;align-items:center;gap:.6em;color:var(--text);text-decoration:none;font:700 1.15rem/1.2 var(--font-head)}
.brand img{width:2.2em;height:2.2em;border-radius:0}
.page-meta{color:var(--muted);font-size:.9em}
.pager{display:flex;justify-content:space-between;gap:1em;flex-wrap:wrap;margin-top:3em;padding-top:1em;border-top:1px solid var(--border)}
.pager a{max-width:48%}
@media (max-width:640px){.pager a{max-width:100%}}

.m-mast{text-align:center;padding:2.4rem 0 1rem}.m-mast .brand{font-size:2.1rem;letter-spacing:-.01em}.m-mast .brand img{display:none}
.m-mast p{margin:.3em 0 0;font-style:italic}.m-rule{border:0;border-top:1px solid var(--text);border-bottom:1px solid var(--text);height:4px;margin:0}
.m-nav{display:flex;justify-content:center;flex-wrap:wrap;gap:.4em 1.6em;padding:.6em 0;font:600 .85em var(--font-body);text-transform:uppercase;letter-spacing:.08em}
.m-nav a{color:var(--text);text-decoration:none}
.m-feature{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:2rem;padding:2rem 0;border-bottom:1px solid var(--border)}
.m-feature h2{font-size:2.2em;margin-top:0}.m-feature h2 a{text-decoration:none}.m-feature h2 a:hover{text-decoration:underline}.m-kicker{font:700 .78em var(--font-body);text-transform:uppercase;letter-spacing:.1em;color:var(--accent)}
.m-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(17rem,1fr));gap:2rem;padding:2rem 0}
.m-grid article{border-top:3px solid var(--accent);padding-top:.8em}.m-grid h3{margin-top:.3em}.m-grid a{color:var(--text);text-decoration:none}
.m-article{max-width:var(--measure);margin:0 auto;padding-top:2rem}.m-article>h1{font-size:2.6em}
.m-standfirst{font-size:1.25em;color:var(--muted);font-family:var(--font-head);font-style:italic}
.m-article .prose>p:first-child:not(:has(>strong:first-child))::first-letter{float:left;font:700 3.4em/0.8 var(--font-head);padding:.08em .1em 0 0;color:var(--accent)}
.m-intro{margin:2rem auto 0;text-align:center}.m-stack{max-width:48rem;margin:0 auto 3rem}.m-stack article{padding:1.6rem 0;border-bottom:1px solid var(--border);text-align:center}.m-stack h2{font-size:1.8em;margin:.2em 0}.m-stack h2 a{color:var(--text);text-decoration:none}
.m-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2.5rem;padding:2rem 0;border-bottom:1px solid var(--border)}.m-pair h2{font-size:1.8em;margin-top:0}.m-pair h2 a{text-decoration:none}
.m-numbered{counter-reset:m;list-style:none;padding:0;margin:2rem 0 3rem}.m-numbered li{counter-increment:m;padding:.7em 0;border-bottom:1px solid var(--border);font:1.15em var(--font-head)}.m-numbered li::before{content:counter(m,decimal-leading-zero) "  ";color:var(--accent);font-weight:700}
@media (max-width:760px){.m-feature,.m-pair{grid-template-columns:minmax(0,1fr)}}

.d-width-narrow{--wrap:60rem;--measure:62ch}.d-width-medium{--wrap:72rem}.d-width-wide{--wrap:86rem;--measure:74ch}
.d-density-compact .prose{font-size:.97rem;line-height:1.55}.d-density-airy .prose{font-size:1.125rem;line-height:1.8}.d-density-airy .prose p{margin-bottom:1.35em}
.d-links-tint .prose a:not(.ext){text-decoration:none;background:color-mix(in srgb,var(--accent) 14%,transparent);padding:0 .15em;border-radius:3px}
.d-links-bold .prose a{font-weight:700;text-decoration-thickness:2px}
.d-headings-caps .prose h2{text-transform:uppercase;letter-spacing:.07em;font-size:1.15em}
.d-headings-rule .prose h2{border-bottom:2px solid var(--border);padding-bottom:.25em}
.d-headings-bar .prose h2{border-left:.3em solid var(--accent);padding-left:.55em}
.d-headings-numbered .prose{counter-reset:h2}.d-headings-numbered .prose h2::before{counter-increment:h2;content:counter(h2) ". ";color:var(--accent)}
.d-figures-shadow figure img{border:0;box-shadow:0 6px 24px rgba(0,0,0,.14)}
.d-figures-plain figure img{border:0}
.d-figures-tilt figure{background:var(--surface);padding:.8em;border:1px solid var(--border);border-radius:var(--radius);transform:rotate(-.6deg)}
.d-header-band .site-header{background:var(--accent);border:0}.d-header-band .site-header,.d-header-band .site-header a,.d-header-band .site-header .muted{color:var(--accent-text)}
.d-header-ink .site-header{background:var(--text);border:0}.d-header-ink .site-header,.d-header-ink .site-header a,.d-header-ink .site-header .muted{color:var(--bg)}
.d-header-rule .site-header{border-bottom:6px solid var(--accent)}
.d-header-centred .site-header .wrap{justify-content:center;flex-direction:column;text-align:center}
.d-footer-band .site-footer{background:var(--surface);border-top:6px solid var(--accent)}
.d-footer-centred .site-footer{text-align:center}.d-footer-centred .site-footer nav{justify-content:center}