:root{--bg:#f6eddf;--surface:#fcf7ef;--ink:#2b211b;--muted:#5f5148;--accent:#a3452a;--accent-ink:#ffffff;--accent2:#3f6b58;--line:#e4d4bc;--hero-ink:#fcf7ef;--r:14px;--maxw:1180px;--measure:68ch;--hf:'Caudex', Georgia, serif;--bf:'Lato', 'Helvetica Neue', Arial, sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--bf)}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-underline-offset:.18em}
h1,h2,h3,h4{font-family:var(--hf);line-height:1.18;margin:1.6em 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2rem,5vw,3.5rem);margin-top:0}
h2{font-size:clamp(1.4rem,3vw,2rem)}h3{font-size:1.2rem}
p,ul,ol,table,details{margin:0 0 1.1em}
.wrap{max-width:max(var(--maxw),min(88vw,1760px));margin:0 auto;padding:0 20px}
@media(min-width:1800px){body article.prose>:is(p,ul,ol,h2,h3,h4,blockquote,dl,details,.callout,.disclosure,.table-wrap){max-width:52rem}}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:var(--surface);padding:8px;z-index:9}
header.site{border-bottom:1px solid var(--line);background:var(--surface)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.brand{font-family:var(--hf);font-weight:800;font-size:1.25rem;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:10px}
.brand svg{flex:none}
nav.main ul{list-style:none;display:flex;flex-wrap:wrap;gap:4px 18px;margin:0;padding:0}
nav.main a{color:var(--ink);text-decoration:none;font-size:.95rem;padding:4px 0;border-bottom:2px solid transparent}
nav.main a[aria-current]{border-color:var(--accent)}
.menu-btn{display:none}
@media(max-width:760px){.menu-btn{display:inline-block;background:none;border:1px solid var(--line);color:var(--ink);border-radius:var(--r);padding:6px 12px;font:inherit}
nav.main{width:100%;display:none}nav.main.open{display:block}nav.main ul{flex-direction:column;gap:6px}}
.hero{position:relative;overflow:hidden}
.hero .wrap{padding-top:56px;padding-bottom:56px}
.hero .lead{font-size:1.18rem;color:var(--muted);max-width:60ch}
.hero.full{color:var(--hero-ink);min-height:440px;display:flex;align-items:flex-end}
.hero.full img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero.full::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.62))}
.hero.full .wrap{position:relative;z-index:1;width:100%}.hero.full .lead{color:inherit;opacity:.92}
.hero.split .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero.split img{border-radius:var(--r);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero.banner img{width:100%;max-height:380px;object-fit:cover;border-radius:var(--r);margin-top:28px}
.hero.plain{background:var(--surface);border-bottom:1px solid var(--line)}
@media(max-width:760px){.hero.split .wrap{grid-template-columns:1fr}.hero.full{min-height:340px}.hero .wrap{padding-top:36px;padding-bottom:36px}}
.page{display:grid;gap:48px;padding-top:40px;padding-bottom:64px}
.page.toc-layout{grid-template-columns:220px minmax(0,1fr)}
.page.toc-layout .toc{position:sticky;top:20px;align-self:start;font-size:.92rem;border-left:3px solid var(--accent);padding-left:14px}
.page.toc-layout .toc ul{list-style:none;padding:0;margin:0}.page.toc-layout .toc li{margin:.35em 0}
.page.toc-layout .toc a{color:var(--muted);text-decoration:none}
@media(max-width:860px){.page.toc-layout{grid-template-columns:1fr}.page.toc-layout .toc{position:static}}
/* Content uses the full container width (cards, grids, tables); only running text keeps a readable measure. */
article.prose{max-width:none;min-width:0}
article.prose>:is(p,ul,ol,h2,h3,h4,blockquote,dl,details,.callout,.disclosure,.table-wrap){max-width:47.5rem;margin-left:auto;margin-right:auto}
.page.toc-layout article.prose>*{margin-left:0;margin-right:0}
/* A heading that introduces a full-width block (cards, grid, table) lines up with that block, not the text column. */
body article.prose>:is(h2,h3):has(+ :is(.cards,nav,div,table,section,ul.grid)){max-width:none;margin-left:0;margin-right:0}
.page.wide article.prose>*{max-width:none}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:0 0 1.4em}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.card h3{margin-top:0}.card p:last-child{margin-bottom:0}
a.card{display:block;color:var(--ink);text-decoration:none}a.card:hover{border-color:var(--accent)}
.callout{border-left:4px solid var(--accent2);background:var(--surface);padding:14px 18px;border-radius:0 var(--r) var(--r) 0;margin:0 0 1.2em}
.table-wrap{overflow-x:auto;margin:0 0 1.2em}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{border-bottom:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
th{font-family:var(--hf);background:var(--surface)}
details{border:1px solid var(--line);border-radius:var(--r);padding:10px 16px;background:var(--surface)}
summary{cursor:pointer;font-weight:600}
.steps{counter-reset:s;list-style:none;padding:0}.steps li{counter-increment:s;position:relative;padding-left:44px;margin-bottom:1em}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:700;font-size:.9rem}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:10px 18px;border-radius:var(--r);text-decoration:none;font-weight:600;border:0;font:inherit;cursor:pointer}
.aff{border:1px dashed var(--accent);border-radius:var(--r);padding:16px 18px;margin:0 0 1.2em;background:var(--surface)}
.aff .tag{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.disclosure{font-size:.88rem;color:var(--muted);border:1px solid var(--line);border-radius:var(--r);padding:10px 14px;margin:0 0 1.6em}
.meta{font-size:.88rem;color:var(--muted)}
dl dt{font-family:var(--hf);font-weight:700;margin-top:1em}dl dd{margin:.2em 0 0 0;color:var(--ink)}
footer.site{border-top:1px solid var(--line);background:var(--surface);font-size:.92rem;color:var(--muted)}
footer.site .wrap{padding-top:32px;padding-bottom:32px;display:grid;gap:18px}
footer.site ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px 18px}
footer.site a{color:var(--muted)}
.cl{font-size:17.5px}
.cl header.site{background:#fcf7ef;border-bottom:0;box-shadow:inset 0 -6px 0 #3f6b58,inset 0 -9px 0 #8fb39f}
.cl header.site .wrap{padding-top:18px;padding-bottom:22px}
.cl .brand{font-weight:700;font-size:1.5rem;color:#7d3520;letter-spacing:.01em}
.cl nav.main a{font-size:.95rem;color:#3a2e27}
.cl nav.main a:hover{color:#a3452a}
.cl nav.main a[aria-current]{border-color:#7fa58f;border-bottom-width:3px}
.cl .hero{background:radial-gradient(120% 90% at 100% 0,#e7efe6 0,rgba(231,239,230,0) 55%),#f6eddf;border-bottom:1px solid var(--line)}
.cl .hero::before{content:"";position:absolute;left:0;right:0;bottom:0;height:10px;background:repeating-linear-gradient(90deg,#b5532f 0 26px,#c9875e 26px 52px,#7fa58f 52px 78px,#e3d2b8 78px 104px);opacity:.85}
.cl .hero .kicker{font-weight:700;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:#3f6b58;margin:0 0 .8em}
.cl .hero h1{color:#5b2615;max-width:20ch}
.cl .hero .lead{color:#4a3d35}
.cl .hero.split img{border-radius:48% 48% 18px 18px / 30% 30% 18px 18px;box-shadow:0 18px 40px rgba(91,38,21,.18);border:6px solid #fcf7ef}
.cl .hero.plain{background:radial-gradient(120% 90% at 100% 0,#e7efe6 0,rgba(231,239,230,0) 55%),#f6eddf}
.cl .hero.plain .wrap{padding-bottom:64px}
.cl.p-index .hero.plain .wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);column-gap:48px;align-items:center}
.cl.p-index .hero.plain .art{grid-column:2;grid-row:1/span 3}
.cl .art svg{width:100%;height:auto;max-width:520px;display:block;margin:0 auto}
@media(max-width:860px){.cl.p-index .hero.plain .wrap{grid-template-columns:1fr}.cl.p-index .hero.plain .art{grid-column:1;grid-row:auto;margin-top:20px}.cl .art svg{max-width:340px}}
.cl .prose h2{color:#5b2615}
.cl .prose h2::after{content:"";display:block;width:56px;height:4px;border-radius:4px;margin-top:.35em;background:linear-gradient(90deg,#a3452a 0 60%,#7fa58f 60%)}
.cl .prose h3{color:#3f6b58}
.cl .cards{gap:22px}
@media(min-width:1000px){.cl .cards{grid-template-columns:repeat(3,minmax(0,1fr))}}
.cl .card{background:#fcf7ef;border:1px solid #e4d4bc;border-radius:22px 22px 10px 10px;padding:22px 22px 20px;box-shadow:0 1px 0 #e4d4bc,0 10px 22px -16px rgba(91,38,21,.35);position:relative;overflow:hidden}
.cl .card::before{content:"";position:absolute;left:0;right:0;top:0;height:7px;background:#b5532f}
.cl .card:nth-child(3n+2)::before{background:#7fa58f}.cl .card:nth-child(3n)::before{background:#c9875e}
.cl .card h3{color:#5b2615;font-size:1.22rem}
.cl a.card{transition:transform .15s,box-shadow .15s}
.cl a.card:hover{transform:translateY(-3px);border-color:#c9875e;box-shadow:0 16px 30px -18px rgba(91,38,21,.45)}
.cl .callout{background:#eaf1ea;border-left:0;border-radius:14px;padding:16px 20px 16px 58px;position:relative;color:#26352d}
.cl .callout::before{content:"";position:absolute;left:20px;top:19px;width:22px;height:22px;border-radius:50% 50% 6px 6px;background:#3f6b58;box-shadow:inset 0 -7px 0 #8fb39f}
.cl .callout.warn{background:#f7e3d8;color:#3d1d12}
.cl .callout.warn::before{background:#a3452a;box-shadow:inset 0 -7px 0 #d9926f}
.cl th{background:#3f6b58;color:#fcf7ef;font-family:var(--bf);font-size:.82rem;letter-spacing:.06em;text-transform:uppercase}
.cl .table-wrap{border:1px solid #d7c6aa;border-radius:12px;background:#fcf7ef}
.cl tbody tr:nth-child(even) td{background:#f4ece0}
.cl details{border-radius:12px;background:#fcf7ef;border-color:#dccbb0}
.cl summary{color:#5b2615}
.cl .steps li::before{background:#3f6b58;border-radius:50% 50% 8px 8px;font-family:var(--hf)}
.cl figure.ph{margin:0 auto 1.6em;max-width:62rem}
.cl figure.ph img{border-radius:18px;width:100%;aspect-ratio:16/8;object-fit:cover}
.cl figure.ph figcaption{font-size:.88rem;color:var(--muted);margin-top:.5em}
.cl .gl{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:4px 32px;margin:0 0 1.6em}
.cl .gl div{border-top:1px solid #dccbb0;padding:.7em 0}
.cl .gl dt{margin:0;color:#5b2615;font-size:1.08rem}
.cl .gl dd{margin:.25em 0 0;font-size:.97rem}
.cl footer.site{background:#3b2a21;color:#e8dccb;border-top:0;box-shadow:inset 0 6px 0 #7fa58f}
.cl footer.site a{color:#f0c9a8}
/* Path of a pot rail */
.cl .path{margin:0 0 2.6em}
.cl .path-h{font-family:var(--hf);font-weight:700;color:#3f6b58;margin:0 0 .6em;font-size:1rem;letter-spacing:.04em}
.cl .path ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));position:relative}
.cl .path ol::before{content:"";position:absolute;left:4%;right:4%;top:19px;height:3px;background:repeating-linear-gradient(90deg,#c9875e 0 10px,transparent 10px 16px)}
.cl .path li{position:relative;text-align:center}
.cl .path a{display:flex;flex-direction:column;align-items:center;gap:8px;text-decoration:none;color:#4a3d35;font-size:.9rem;line-height:1.25;padding:0 4px}
.cl .path .n{width:40px;height:40px;border-radius:50% 50% 12px 12px;display:grid;place-items:center;background:#fcf7ef;border:2px solid #c9875e;font-family:var(--hf);font-weight:700;color:#7d3520;position:relative}
.cl .path a:hover .n{background:#f3e2d3}
.cl .path li.on .n{background:#a3452a;border-color:#a3452a;color:#fff}
.cl .path li.on .l{font-weight:700;color:#5b2615}
@media(max-width:760px){.cl .path ol{grid-template-columns:repeat(4,minmax(0,1fr));row-gap:16px}.cl .path ol::before{display:none}.cl .path a{font-size:.82rem}}
/* Firing range chart */
.cl .fc{margin:0 0 2.2em;background:#fcf7ef;border:1px solid #dccbb0;border-radius:20px;padding:24px 28px 20px;box-shadow:0 14px 30px -24px rgba(91,38,21,.5)}
.cl .fc figcaption{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 18px;margin:0 0 14px}
.cl .fc-t{font-family:var(--hf);font-weight:700;font-size:1.25rem;color:#5b2615}
.cl .fc-s{font-size:.9rem;color:var(--muted)}
.cl .fc-rows{list-style:none;margin:0;padding:0}
.cl .fc{--cols:250px minmax(0,1fr) minmax(0,.6fr)}
.cl .fc-rows li,.cl .fc-ax{display:grid;grid-template-columns:var(--cols);gap:6px 22px;align-items:center;padding:12px 0;border-top:1px dashed #dccbb0}
.cl .fc .lab strong{display:block;font-family:var(--hf);color:#2b211b;font-size:1.02rem}
.cl .fc .tmp{font-size:.82rem;color:var(--muted)}
.cl .fc .trk{position:relative;height:30px;border-radius:15px;background:linear-gradient(90deg,#efe3d0,#f1d2bd 60%,#ecc0a6);background-image:repeating-linear-gradient(90deg,rgba(91,38,21,.16) 0 1px,transparent 1px 20%),linear-gradient(90deg,#f1e7d6,#f0d8c4 60%,#eec7af)}
.cl .fc .bar{position:absolute;top:3px;bottom:3px;border-radius:12px;background:#c9875e;display:flex;align-items:center;justify-content:center;min-width:12px}
.cl .fc .bar.k0{background:#8fb39f}.cl .fc .bar.k1{background:#7fa58f}.cl .fc .bar.k3{background:#d9a27f}.cl .fc .bar.k4{background:#c9875e}.cl .fc .bar.k5{background:#b5532f}.cl .fc .bar.k6{background:#7d3520}
.cl .fc .bar em{font-style:normal;font-size:.72rem;font-weight:700;color:#fff;white-space:nowrap;position:absolute;right:calc(100% + 8px);color:#5b2615}
.cl .fc .pt{position:absolute;top:50%;width:16px;height:16px;margin:-8px 0 0 -8px;border-radius:50%;background:#3f6b58;box-shadow:0 0 0 4px rgba(63,107,88,.25)}
.cl .fc .nt{margin:0;font-size:.88rem;color:#4a3d35;line-height:1.45}
.cl .fc-ax{padding-top:8px;align-items:start}
.cl .fc-axis{position:relative;height:40px}
.cl .fc .tmp{display:block}
.cl .fc-axis span{position:absolute;transform:translateX(-50%);text-align:center;font-size:.76rem;line-height:1.25;white-space:nowrap}
.cl .fc-axis span:first-child{transform:none;text-align:left}.cl .fc-axis span:last-child{transform:translateX(-100%);text-align:right}
.cl .fc-axis b{display:block;color:#5b2615}.cl .fc-axis i{font-style:normal;color:var(--muted)}
@media(max-width:1100px){.cl .fc{--cols:210px minmax(0,1fr)}.cl .fc .nt{grid-column:1/-1}}
@media(max-width:640px){.cl .fc{padding:18px 16px 14px;--cols:minmax(0,1fr)}.cl .fc-ax>span{display:none}.cl .fc-axis span:nth-child(even){display:none}}
@media(min-width:1800px){.cl{font-size:18.5px}.cl .fc{padding:30px 36px 24px}.cl .fc{--cols:290px minmax(0,1fr) minmax(0,.6fr)}}