@font-face{font-family:"Source Serif";src:url(fonts/source-serif-4-latin-wght-normal.woff2) format("woff2");font-weight:200 900;font-style:normal;font-display:swap}
@font-face{font-family:"Source Serif";src:url(fonts/source-serif-4-latin-wght-italic.woff2) format("woff2");font-weight:200 900;font-style:italic;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  --desk:#f4f2ec; --paper:#fffefb; --ink:#1c1b18; --ink-2:#55524a; --ink-3:#8a867b;
  --rule:#dcd7ca; --rule-2:#ebe7dc; --accent:#8b1d1d; --accent-ink:#fff;
  --field:#fbf1cf; --field-line:#b9a46a;
  --serif:"Source Serif",Georgia,"Times New Roman",serif;
  --mono:"Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --w:1120px; --measure:68ch;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --desk:#17171a; --paper:#fffefb; --ink:#ecebe6; --ink-2:#b6b3aa; --ink-3:#8b887f;
  --rule:#34332f; --rule-2:#2a2926; --accent:#e0a3a3; --accent-ink:#1a0d0d;
}}
:root[data-theme="dark"]{--desk:#17171a;--ink:#ecebe6;--ink-2:#b6b3aa;--ink-3:#8b887f;--rule:#34332f;--rule-2:#2a2926;--accent:#e0a3a3;--accent-ink:#1a0d0d}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--desk);color:var(--ink);font:400 18px/1.6 var(--serif);font-optical-sizing:auto;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--accent)}
img,svg{max-width:100%}
.wrap{max-width:var(--w);margin:0 auto;padding:0 16px}
.mono{font-family:var(--mono);font-size:.78rem;letter-spacing:.02em}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:8px;background:var(--paper);color:#1c1b18;padding:6px 10px;z-index:9}

/* header */
.top{border-bottom:1px solid var(--rule)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none;font-weight:600;font-size:1.15rem;letter-spacing:-.01em}
.brand b{font-family:var(--mono);font-weight:500;font-size:.72rem;color:var(--accent);border:1px solid currentColor;padding:1px 5px;border-radius:2px;letter-spacing:.04em}
.nav{display:flex;gap:22px;font-family:var(--mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.06em}
.nav a{text-decoration:none;color:var(--ink-2)}.nav a:hover{color:var(--accent)}
@media (max-width:640px){.nav a:not(:first-child){display:none}}

/* crumbs + meta */
.crumbs{font-family:var(--mono);font-size:.74rem;color:var(--ink-3);padding:22px 0 0;letter-spacing:.02em}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--rule)}
.crumbs a{text-decoration:none;color:var(--ink-2)}

/* hero */
.hero{padding:56px 0 8px}
.kicker{font-family:var(--mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);margin:0 0 14px}
h1{font-weight:600;font-size:clamp(2rem,4.6vw,3.25rem);line-height:1.08;letter-spacing:-.022em;margin:0 0 18px;max-width:22ch;text-wrap:balance}
.lead{font-size:1.2rem;color:var(--ink-2);max-width:var(--measure);margin:0}
.facts{display:flex;flex-wrap:wrap;gap:0;margin:28px 0 0;padding:0;list-style:none;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.facts li{font-family:var(--mono);font-size:.74rem;color:var(--ink-2);padding:10px 18px 10px 0;margin-right:18px;border-right:1px solid var(--rule-2);text-transform:uppercase;letter-spacing:.05em}
.facts li:last-child{border-right:0}
.facts strong{color:var(--ink);font-weight:500}

/* index (home) */
.toolbar{display:flex;align-items:end;justify-content:space-between;gap:24px;padding:40px 0 8px;flex-wrap:wrap}
.toolbar h2{margin:0}
.search{position:relative;flex:0 1 340px}
.search input{width:100%;font:400 1rem var(--serif);color:var(--ink);background:transparent;border:0;border-bottom:1px solid var(--ink);padding:8px 0 8px 0;outline:0;border-radius:0}
.search input:focus{border-bottom-color:var(--accent)}
.search label{display:block;font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3)}
h2{font-weight:600;font-size:1.6rem;letter-spacing:-.015em;line-height:1.2;margin:56px 0 14px}
h3{font-weight:600;font-size:1.15rem;margin:28px 0 8px}
.sec{margin:34px 0 0}
.sec-h{display:flex;gap:14px;align-items:baseline;font-family:var(--mono);font-size:.76rem;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-3);border-bottom:1px solid var(--ink);padding-bottom:8px;margin:0}
.sec-h span{color:var(--accent)}
.toc{list-style:none;margin:0;padding:0}
.toc li{border-bottom:1px solid var(--rule)}
.toc a.row{display:grid;grid-template-columns:3.2rem 1fr auto;align-items:baseline;gap:12px;padding:16px 0;text-decoration:none}
.toc .n{font-family:var(--mono);font-size:.8rem;color:var(--ink-3)}
.toc .t{font-size:1.18rem;font-weight:500;display:flex;align-items:baseline;gap:10px;min-width:0}
.toc .t::after{content:"";flex:1;border-bottom:1px dotted var(--ink-3);transform:translateY(-4px);min-width:20px}
.toc .d{grid-column:2/3;font-size:.95rem;color:var(--ink-2);margin-top:-4px}
.toc .f{font-family:var(--mono);font-size:.72rem;color:var(--ink-2);letter-spacing:.06em;white-space:nowrap}
.toc a.row:hover .t{color:var(--accent)}
.toc a.row:hover .n{color:var(--accent)}
.empty{display:none;font-style:italic;color:var(--ink-3);padding:20px 0}
@media (max-width:640px){.toc a.row{grid-template-columns:2.4rem 1fr}.toc .f{grid-column:2/3}}

.prose{max-width:var(--measure)}
.prose p{margin:0 0 1em}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;border-top:1px solid var(--rule);padding-top:28px;margin-top:64px}
.cols3 h3{margin-top:0;font-size:1rem;font-family:var(--mono);font-weight:500;text-transform:uppercase;letter-spacing:.07em}
.cols3 p{margin:0;color:var(--ink-2);font-size:1rem}
@media (max-width:820px){.cols3{grid-template-columns:1fr;gap:20px}}

/* template page */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;padding:40px 0 0}
@media (max-width:960px){.layout{grid-template-columns:1fr;gap:28px}.aside{order:-1}}
.aside .card{position:sticky;top:20px;border:1px solid var(--ink);background:var(--paper);color:#1c1b18;padding:20px}
.card .lbl{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.09em;color:#8a867b;margin:0 0 12px}
.btn{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;font:500 .82rem var(--mono);letter-spacing:.04em;text-transform:uppercase;text-decoration:none;padding:13px 14px;border:1px solid #1c1b18;color:#1c1b18;background:transparent;cursor:pointer;margin-bottom:8px}
.btn.primary{background:#8b1d1d;border-color:#8b1d1d;color:#fff}
.btn:hover{background:#1c1b18;color:#fff;border-color:#1c1b18}
.btn small{font-weight:400;opacity:.75;text-transform:none}
.card ul{list-style:none;margin:16px 0 0;padding:14px 0 0;border-top:1px solid #dcd7ca;font-size:.92rem}
.card li{display:flex;justify-content:space-between;gap:8px;padding:3px 0;color:#55524a}
.card li b{font-weight:500;color:#1c1b18}
.pagetoc{margin:22px 0 0;font-family:var(--mono);font-size:.76rem}
.pagetoc p{text-transform:uppercase;letter-spacing:.09em;color:var(--ink-3);margin:0 0 8px}
.pagetoc ol{margin:0;padding-left:1.4em;color:var(--ink-2)}
.pagetoc a{text-decoration:none}
@media (max-width:960px){.pagetoc{display:none}.aside .card{position:static}}

.sheet{background:var(--paper);color:#1c1b18;border:1px solid #d8d2c3;box-shadow:0 1px 0 #e6e1d4,0 18px 40px -24px rgba(40,30,10,.35);padding:clamp(28px,6vw,72px) clamp(20px,6vw,76px);font-size:16.5px;line-height:1.65;position:relative}
.sheet::before{content:attr(data-label);position:absolute;top:14px;right:18px;font:400 .68rem var(--mono);color:#8a867b;letter-spacing:.08em;text-transform:uppercase}
.sheet .d-title{text-align:center;font-weight:700;font-size:1.12rem;letter-spacing:.06em;margin:0 0 4px}
.sheet .d-sub{text-align:center;font-style:italic;color:#55524a;margin:0 0 22px}
.sheet .d-center{text-align:center;font-weight:600;letter-spacing:.1em;margin:18px 0}
.sheet .d-art{font-weight:700;margin:20px 0 4px}
.sheet p{margin:0 0 .85em;white-space:pre-line;text-align:left}
.sheet .d-bold{font-weight:600}
.sheet .d-c{text-align:center}
.sheet .d-right{margin-left:auto;width:min(100%,300px);white-space:pre-line;margin-bottom:1.2em}
.sheet .d-small{font-size:.86rem;color:#55524a;border-top:1px solid #e2ddd0;padding-top:10px;margin-top:20px}
.sheet ul{margin:0 0 1em;padding-left:1.3em}
.sheet hr{border:0;border-top:1px dashed #b9b3a3;margin:30px 0}
.sheet .sign{display:flex;flex-wrap:wrap;gap:36px;justify-content:space-between;margin:26px 0 22px}
.sheet .sign div{flex:1 1 200px;max-width:320px;font-size:.9rem;color:#55524a}
.sheet .sign div::before{content:"";display:block;height:44px;border-bottom:1px solid #1c1b18;margin-bottom:6px}
.sheet table{width:100%;border-collapse:collapse;margin:8px 0 18px;font-size:.95rem}
.sheet th,.sheet td{border-bottom:1px solid #d8d2c3;padding:8px 6px;text-align:left;vertical-align:top}
.sheet th{font:500 .7rem var(--mono);text-transform:uppercase;letter-spacing:.06em;color:#55524a;border-bottom-color:#1c1b18}
.sheet td:last-child,.sheet th:last-child{text-align:right;white-space:nowrap}
.sheet tr.tot td{font-weight:700;border-bottom:0}
.sheet tr.sub td{border-bottom:0;padding:4px 6px}
.fld{background:var(--field);border-bottom:1px dotted var(--field-line);padding:0 2px;color:#6b5a24;font-style:italic}
@media (max-width:560px){.sheet .table-wrap{overflow-x:auto}}

.steps{counter-reset:s;list-style:none;padding:0;margin:0;max-width:var(--measure)}
.steps li{counter-increment:s;display:grid;grid-template-columns:2.6rem 1fr;gap:6px 10px;padding:14px 0;border-bottom:1px solid var(--rule)}
.steps li::before{content:counter(s,decimal-leading-zero);font:500 .8rem var(--mono);color:var(--accent);padding-top:5px}
.steps b{display:block;font-weight:600}
.steps span{grid-column:2;color:var(--ink-2)}
.refs{max-width:var(--measure);padding:0;list-style:none;margin:0}
.refs li{padding:12px 0 12px 22px;border-bottom:1px solid var(--rule);position:relative;color:var(--ink-2)}
.refs li::before{content:"§";position:absolute;left:0;top:12px;color:var(--accent);font-weight:600}
.faq{max-width:var(--measure)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{cursor:pointer;list-style:none;padding:16px 28px 16px 0;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:2px;top:14px;font:400 1.2rem var(--mono);color:var(--ink-3)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 18px;color:var(--ink-2)}
.rel{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--ink);margin-top:8px}
.rel a{display:block;padding:16px 16px 18px 0;text-decoration:none;border-bottom:1px solid var(--rule)}
.rel a span{display:block;font:400 .72rem var(--mono);color:var(--ink-3);letter-spacing:.05em}
.rel a b{font-weight:500}
@media (max-width:720px){.rel{grid-template-columns:1fr}}
.disc{max-width:var(--measure);font-size:.92rem;color:var(--ink-3);border-left:2px solid var(--accent);padding:4px 0 4px 14px;margin:48px 0 0}

/* footer */
.foot{margin-top:96px;border-top:1px solid var(--ink);padding:28px 0 48px;font-size:.92rem;color:var(--ink-2)}
.foot .grid{display:grid;grid-template-columns:1.2fr 2fr;gap:40px}
.foot h4{font:500 .7rem var(--mono);text-transform:uppercase;letter-spacing:.09em;color:var(--ink-3);margin:0 0 10px}
.foot ul{list-style:none;margin:0;padding:0;columns:2;column-gap:28px}
.foot li{padding:2px 0;break-inside:avoid}
.foot a{text-decoration:none}
.foot .fine{font-family:var(--mono);font-size:.72rem;color:var(--ink-3);margin-top:28px}
@media (max-width:720px){.foot .grid{grid-template-columns:1fr}.foot ul{columns:1}}
.page{padding:48px 0}
.page .prose h2{margin-top:36px}
@media (max-width:560px){.sheet{font-size:15px}.sheet table{font-size:.85rem}.sheet th,.sheet td{padding:6px 3px}}