:root{--bg-canvas:#f7f5f0;--bg-surface:#fff;--bg-surface-hover:#f0ece3;--text-primary:#111;--text-muted:#514e48;--accent-primary:#d62828;--accent-secondary:#78350f;--border-subtle:#25231f;--ease-kinetic:cubic-bezier(.16,1,.3,1);--shadow-elevation:none;--glow-accent:none;--glass-backdrop:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font-family:Charter,Cambria,Georgia,serif;line-height:1.65;overflow-wrap:anywhere;hyphens:auto}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--accent-secondary)}button,input,textarea,select{font:inherit}button,a,input,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.6}:focus-visible{outline:3px solid var(--accent-primary);outline-offset:5px}.skip-link{position:absolute;left:12px;top:-100px;z-index:20;background:white;padding:12px}.skip-link:focus{top:12px}.topline{padding:7px 24px;border-bottom:1px solid var(--border-subtle);font-size:.78rem;letter-spacing:.08em;font-variant:small-caps}.site-header{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 24px;border-bottom:1px solid var(--border-subtle)}.brand{display:inline-flex;gap:10px;align-items:center;text-decoration:none;font-size:1.38rem;font-weight:bold;white-space:nowrap}.brand-mark{width:25px;height:25px;border:1px solid;display:inline-grid;place-items:center;font-size:16px}.site-nav{display:flex;align-items:center;gap:19px;font-size:.9rem}.site-nav a{text-decoration:none;white-space:nowrap}.site-nav a[aria-current=page]{text-decoration:underline;text-decoration-color:var(--accent-primary);text-decoration-thickness:2px}.menu-button{display:none;border:1px solid;background:white;font-size:1.6rem;width:42px;height:42px;padding:0}.wrap{max-width:1200px;margin:0 auto;padding:0 24px}.hero{padding:38px 0 30px;border-bottom:1px solid;margin-bottom:24px}.coordinate-grid{background-image:linear-gradient(#11111108 1px,transparent 1px),linear-gradient(90deg,#11111108 1px,transparent 1px);background-size:32px 32px}.eyebrow{font-variant:small-caps;letter-spacing:.11em;font-size:.83rem;margin:0 0 12px;color:var(--text-muted)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.4rem,5.1vw,4.6rem);line-height:1.08;letter-spacing:-.035em;max-width:21ch;margin-bottom:18px;font-weight:normal}h2{font-size:clamp(1.65rem,2.8vw,2.45rem);line-height:1.16;font-weight:normal;margin-bottom:18px}h3{font-size:1.3rem;line-height:1.3;margin-bottom:12px}p{margin-bottom:1.1em}.standfirst{font-size:1.2rem;max-width:65ch;margin-bottom:0}.bento{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-areas:"intro intro note" "window window window" "class class class" "change change change" "ground ground ground" "questions questions questions";gap:20px;margin-bottom:44px}.tile{background:var(--bg-surface);border:1px solid var(--border-subtle);padding:28px;min-width:0}.interactive{transition:transform .4s var(--ease-kinetic),background .4s,border-color .4s}.interactive:hover{transform:translateY(-3px);background:var(--bg-surface-hover);border-color:var(--accent-secondary)}.intro-tile{grid-area:intro}.note-tile{grid-area:note}.window-tile{grid-area:window}.class-tile{grid-area:class}.change-tile{grid-area:change}.ground-tile{grid-area:ground}.questions-tile{grid-area:questions}.split{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:start}.split.reverse{grid-template-columns:1fr 1.2fr}.badge{display:inline-grid;place-items:center;width:32px;height:32px;border:1px solid var(--accent-primary);color:var(--accent-primary);border-radius:50%;font-size:.9rem;margin-bottom:16px}.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--text-primary);background:transparent;color:var(--text-primary);padding:11px 16px;text-decoration:none;text-transform:uppercase;letter-spacing:.09em;font-size:.76rem;line-height:1.4;transition:transform .35s var(--ease-kinetic),background .35s}.button:hover{transform:translateY(-3px);background:var(--text-primary);color:var(--bg-surface)}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}figure{margin:0}img{display:block;width:100%;height:auto;object-fit:cover}.photo-grid{aspect-ratio:4/3}.photo-banner{aspect-ratio:16/9}.photo-thumb{aspect-ratio:1/1;width:100px;flex:none}figcaption,.caption,.metadata{font-size:.84rem;color:var(--text-muted);line-height:1.5}figcaption{padding-top:10px}.small-note{font-size:.94rem}.rule-list{padding:0;list-style:none;margin-bottom:0}.rule-list li{border-top:1px solid #b7b1a8;padding:12px 0}.rule-list li:last-child{padding-bottom:0}.fluid-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.mini-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:20px 0}.diagram-cell{padding:16px 10px;border:1px solid;text-align:center;background:#f7f5f0}.diagram-cell strong{display:block;font-weight:normal}.diagram-cell small{display:block;color:var(--text-muted);line-height:1.4}.diagram{border:1px solid;padding:20px;margin:24px 0;background:#f7f5f0}.map-diagram{display:grid;grid-template-columns:repeat(6,1fr);height:130px;gap:3px;margin-bottom:12px}.map-diagram span{background:#d8c6a5}.map-diagram span:nth-child(3n){background:#7c8665}.map-diagram span:nth-child(5n){background:#a66242}.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:.85rem}.legend i{display:inline-block;width:12px;height:12px;margin-right:5px;border:1px solid;background:#7c8665}.legend .soil{background:#d8c6a5}.legend .built{background:#a66242}.article-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(240px,1fr);gap:24px;margin:24px 0 48px;align-items:start}.article-copy{max-width:72ch;margin:0 auto}.article-copy section{margin-bottom:30px}.article-copy h2{font-size:1.85rem}.article-aside{display:grid;gap:20px}.article-end{border-top:1px solid;padding-top:24px;margin-top:30px}.reading{max-width:72ch;margin:32px auto 48px}.reading h2{font-size:1.75rem;margin-top:30px}.reading h3{margin-top:24px}.table-scroll{overflow-x:auto;margin:22px 0}table{width:100%;border-collapse:collapse;min-width:510px;font-size:.92rem}th,td{border:1px solid #8e887e;padding:12px;text-align:left;vertical-align:top}th{background:#ede8df}.pathway{counter-reset:step;padding:0;list-style:none}.pathway li{position:relative;padding:0 0 22px 45px;border-left:1px solid;margin-left:15px}.pathway li:last-child{border-left-color:transparent}.pathway li:before{counter-increment:step;content:counter(step);position:absolute;left:-16px;top:0;width:30px;height:30px;display:grid;place-items:center;background:white;border:1px solid var(--accent-primary);color:var(--accent-primary);border-radius:50%}details{border-top:1px solid;padding:18px 0}details:last-child{border-bottom:1px solid}summary{cursor:pointer;font-size:1.18rem;line-height:1.4}details p{margin:16px 0 0}.contact-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;margin:28px 0 48px}label{display:block;margin:18px 0 7px;font-weight:bold}input,textarea{width:100%;border:1px solid;background:var(--bg-canvas);color:var(--text-primary);padding:12px;border-radius:0}textarea{min-height:190px;resize:vertical}.preview{white-space:pre-wrap;overflow-wrap:anywhere;font-family:inherit;min-height:150px;border:1px solid;padding:18px;background:var(--bg-canvas);font-size:.95rem}.status{min-height:1.6em;font-size:.9rem;margin:14px 0 0}.colophon{border-top:2px solid;margin-top:48px;padding:30px 0 20px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:28px}.footer-grid h2{font-size:1.2rem}.footer-grid p,.footer-grid li{font-size:.9rem}.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:6px}.copyright{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid;margin-top:25px;padding-top:16px;font-size:.82rem}.reveal-ready .reveal{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease-kinetic),transform .7s var(--ease-kinetic)}.reveal-ready .reveal-visible{opacity:1;transform:translateY(0)}.muted{color:var(--text-muted)}[hidden]{display:none!important}
@media(min-width:1025px){.site-nav{gap:20px}.hero{padding-top:44px}.intro-tile{min-height:270px}}
@media(min-width:769px) and (max-width:1024px){.site-header{gap:16px;padding-inline:18px}.brand{font-size:1.14rem}.site-nav{gap:12px;font-size:.8rem}.tile{padding:22px}.article-grid{grid-template-columns:minmax(0,1.8fr) minmax(220px,1fr)}}
@media(max-width:768px){.site-header{padding:16px 20px}.menu-button{display:block}.site-nav{display:none;position:absolute;top:100%;left:0;right:0;z-index:10;background:var(--bg-surface);border-bottom:1px solid;padding:18px 24px;flex-direction:column;align-items:stretch;gap:0}.site-nav.is-open{display:flex;animation:menuEnter .25s var(--ease-kinetic)}.site-nav a{padding:10px 0;border-bottom:1px solid #d8d3ca}.topline{padding-inline:20px;font-size:.7rem}.bento{grid-template-columns:1fr;grid-template-areas:"intro" "note" "window" "class" "change" "ground" "questions"}.split,.split.reverse,.article-grid,.contact-grid{grid-template-columns:1fr}.article-aside{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>section:first-child{grid-column:1/-1}.hero{padding:28px 0}.wrap{padding-inline:20px}}
@media(min-width:481px) and (max-width:768px){.tile{padding:26px}.standfirst{font-size:1.1rem}}
@media(max-width:480px){.wrap{padding-inline:16px}.tile{padding:20px}.brand{font-size:1.13rem}.site-header{padding-inline:16px}.topline{padding-inline:16px}.mini-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid>section:first-child{grid-column:auto}.fluid-grid{grid-template-columns:1fr}.standfirst{font-size:1.05rem}h1{font-size:2.5rem}.button-row .button{flex:1 1 auto}.article-aside{grid-template-columns:1fr}}
@keyframes menuEnter{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.reveal-ready .reveal{opacity:1;transform:none}}