/* Layout: an institutional archive site. A seal-brown masthead band carries the identity;
   pages below are quiet white reading columns with gold used only for marks and links. */
:root{
  --bg:#f5f4f2; --surface:#ffffff; --ink:#221b16; --muted:#5f574f; --line:#dcd6cf;
  --band:#33251b; --band-ink:#f1e9dc; --band-muted:#c9b9a2;
  --gold:#8c6b24; --gold-mark:#b08d43; --tint:#efe9df; --focus:#8c6b24;
  --warn-bg:#f3ece0; --warn-line:#cdb68a;
  --f-display:"EB Garamond","Garamond","Georgia",serif;
  --f-caps:"Cinzel","Trajan Pro","Georgia",serif;
  --f-body:"Source Sans 3","Segoe UI","Helvetica Neue",Arial,sans-serif;
  --f-mono:"IBM Plex Mono","SFMono-Regular",Consolas,monospace;
  --w:1120px; --read:68ch;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#17110d; --surface:#211912; --ink:#eee6db; --muted:#b5a898; --line:#3a2e25;
  --band:#2a1e15; --band-ink:#f1e9dc; --band-muted:#c2b097;
  --gold:#d4b06a; --gold-mark:#c9a55c; --tint:#2a2018; --focus:#d4b06a;
  --warn-bg:#2b2117; --warn-line:#6b5532; color-scheme:dark }}
:root[data-theme="dark"]{
  --bg:#17110d; --surface:#211912; --ink:#eee6db; --muted:#b5a898; --line:#3a2e25;
  --band:#2a1e15; --band-ink:#f1e9dc; --band-muted:#c2b097;
  --gold:#d4b06a; --gold-mark:#c9a55c; --tint:#2a2018; --focus:#d4b06a;
  --warn-bg:#2b2117; --warn-line:#6b5532; color-scheme:dark }

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 var(--f-body)}
a{color:var(--gold);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
img,svg{max-width:100%}
h1,h2,h3{font-family:var(--f-display);font-weight:500;line-height:1.15;text-wrap:balance;margin:0}
h1{font-size:clamp(2.2rem,4.5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3vw,2.15rem)}
h3{font-size:1.35rem}
p{margin:0}
.caps{font-family:var(--f-caps);letter-spacing:.14em;text-transform:uppercase;font-size:.78rem}
.wrap{max-width:var(--w);margin:0 auto;padding-inline:20px}
.read{max-width:var(--read)}
.stack{display:flex;flex-direction:column;gap:1.1rem}
.muted{color:var(--muted)}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--surface);padding:8px 12px;z-index:9}

/* masthead */
.mast{background:var(--band);color:var(--band-ink)}
.mast .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 28px;padding-block:14px}
.brand{display:flex;align-items:center;gap:12px;color:var(--band-ink);text-decoration:none}
.brand svg{width:42px;height:42px;flex:none;color:var(--gold-mark)}
.brand b{font-family:var(--f-caps);font-weight:600;letter-spacing:.16em;font-size:.95rem;display:block}
.brand small{font-family:var(--f-display);font-style:italic;color:var(--band-muted);font-size:.92rem}
.nav{display:flex;flex-wrap:wrap;gap:4px 20px}
.nav a{color:var(--band-ink);text-decoration:none;font-size:.95rem;padding-block:4px;border-bottom:1px solid transparent}
.nav a:hover{border-color:var(--band-muted)}
.nav a[aria-current="page"]{border-color:var(--gold-mark);color:#fff}

/* page head */
.pagehead{border-bottom:1px solid var(--line);background:var(--surface)}
.pagehead .wrap{padding-block:44px 34px;display:flex;flex-direction:column;gap:12px}
.pagehead .caps{color:var(--gold)}
.pagehead p.lead{font-family:var(--f-display);font-size:1.3rem;color:var(--muted);max-width:60ch}
main{display:block}
.section{padding-block:52px}
.section+.section{border-top:1px solid var(--line)}

/* two column body with side index */
.cols{display:grid;grid-template-columns:220px minmax(0,1fr);gap:48px;align-items:start}
.side{position:sticky;top:calc(env(safe-area-inset-top,0px) + 20px);display:flex;flex-direction:column;gap:6px;font-size:.95rem}
.side a{color:var(--muted);text-decoration:none}.side a:hover{color:var(--gold)}
.side .caps{color:var(--ink);margin-bottom:6px}
@media (max-width:860px){.cols{grid-template-columns:1fr}.side{position:static;flex-direction:row;flex-wrap:wrap;gap:6px 16px}.side .caps{width:100%}}

.prose{display:flex;flex-direction:column;gap:1.05rem;max-width:var(--read)}
.prose h2{margin-top:1.6rem}
.prose h3{margin-top:.8rem}
.prose blockquote{margin:0;padding:4px 0 4px 20px;border-left:2px solid var(--gold-mark);font-family:var(--f-display);font-size:1.2rem;font-style:italic}
.prose ul{margin:0;padding-left:1.2rem;display:flex;flex-direction:column;gap:.35rem}
.gen{font-family:var(--f-caps);font-size:.75rem;letter-spacing:.14em;color:var(--gold)}
.refs{font-size:.92rem;color:var(--muted)}

/* home */
.hero{background:var(--band);color:var(--band-ink);border-top:1px solid #ffffff14}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:40px;align-items:center;padding-block:56px 64px}
.hero h1{font-size:clamp(2.5rem,5.4vw,4.2rem)}
.hero p{font-family:var(--f-display);font-size:1.32rem;color:var(--band-muted);max-width:44ch}
.hero .seal{color:var(--gold-mark);width:min(320px,100%);justify-self:center}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid var(--gold-mark);color:var(--band-ink);text-decoration:none;font-size:.97rem}
.btn.solid{background:var(--gold-mark);color:#1d140e;border-color:var(--gold-mark)}
.btn:hover{filter:brightness(1.08)}
@media (max-width:760px){.hero .wrap{grid-template-columns:1fr}.hero .seal{width:200px;order:-1}}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-block:1px solid var(--line);background:var(--surface)}
.facts div{padding:22px 20px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:2px}
.facts div:last-child{border-right:0}
.facts b{font-family:var(--f-display);font-weight:500;font-size:2.1rem;line-height:1;font-variant-numeric:tabular-nums}
.facts span{color:var(--muted);font-size:.92rem}
@media (max-width:700px){.facts{grid-template-columns:repeat(2,minmax(0,1fr))}.facts div:nth-child(2){border-right:0}.facts div:nth-child(-n+2){border-bottom:1px solid var(--line)}}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.grid3>*{background:var(--surface);padding:24px;display:flex;flex-direction:column;gap:10px;min-width:0}
.grid3 a.card{text-decoration:none;color:var(--ink)}
.grid3 a.card:hover h3{color:var(--gold)}
.card .caps{color:var(--gold)}
.card p{color:var(--muted);font-size:.97rem}
.card .num{font-family:var(--f-mono);font-size:.8rem;color:var(--muted);margin-top:auto}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px}
@media (max-width:760px){.split{grid-template-columns:1fr}}

/* migration path */
.path{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));border-top:2px solid var(--gold-mark)}
.path li{padding:14px 14px 0 0;position:relative;display:flex;flex-direction:column;gap:2px}
.path li::before{content:"";position:absolute;top:-7px;left:0;width:12px;height:12px;border-radius:50%;background:var(--surface);border:2px solid var(--gold-mark)}
.path b{font-family:var(--f-display);font-weight:500;font-size:1.25rem}
.path .yr{font-family:var(--f-mono);font-size:.82rem;color:var(--gold)}
.path span{color:var(--muted);font-size:.9rem}
@media (max-width:860px){.path{grid-template-columns:1fr;border-top:0;border-left:2px solid var(--gold-mark);gap:14px}.path li{padding:0 0 0 18px}.path li::before{top:6px;left:-7px}}

/* catalogue */
.tools{display:grid;grid-template-columns:minmax(0,2fr) repeat(3,minmax(0,1fr));gap:10px;margin-bottom:18px}
@media (max-width:820px){.tools{grid-template-columns:1fr 1fr}.tools .q{grid-column:1/-1}}
label.fld{display:flex;flex-direction:column;gap:4px;font-size:.82rem;color:var(--muted)}
input,select,textarea{font:inherit;font-size:1rem;color:var(--ink);background:var(--surface);border:1px solid var(--line);padding:9px 11px;border-radius:2px;width:100%;min-width:0}
textarea{min-height:130px;resize:vertical}
.count{color:var(--muted);font-size:.92rem;margin-bottom:8px}
.results{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.results li{border-bottom:1px solid var(--line)}
.results a{display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:4px 16px;padding:14px 4px;text-decoration:none;color:var(--ink)}
.results a:hover{background:var(--tint)}
.results .no{font-family:var(--f-mono);color:var(--gold);font-size:.9rem;padding-top:3px}
.results .t{font-family:var(--f-display);font-size:1.18rem;line-height:1.3}
.results .m{grid-column:2;color:var(--muted);font-size:.9rem}
.results .ty{font-size:.82rem;color:var(--muted);white-space:nowrap;padding-top:4px}
@media (max-width:600px){.results a{grid-template-columns:48px minmax(0,1fr)}.results .ty{grid-column:2}}
.pager{display:flex;gap:8px;align-items:center;justify-content:center;margin-top:20px;flex-wrap:wrap}
.pager button,.plain{font:inherit;font-size:.95rem;background:var(--surface);color:var(--ink);border:1px solid var(--line);padding:7px 14px;cursor:pointer}
.pager button[disabled]{opacity:.45;cursor:default}
.record{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}
@media (max-width:900px){.record{grid-template-columns:1fr}}
.meta{border:1px solid var(--line);background:var(--surface);font-size:.94rem}
.meta div{display:grid;grid-template-columns:96px minmax(0,1fr);gap:10px;padding:10px 14px;border-bottom:1px solid var(--line)}
.meta div:last-child{border-bottom:0}
.meta dt{color:var(--muted)} .meta dd{margin:0;overflow-wrap:anywhere}
.transcript{background:var(--surface);border:1px solid var(--line);padding:22px 24px;font-family:var(--f-mono);font-size:.86rem;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere;max-height:none}
.note{background:var(--warn-bg);border:1px solid var(--warn-line);padding:14px 16px;font-size:.95rem}
.cite{display:flex;gap:8px;align-items:flex-start}
.cite code{flex:1;font-family:var(--f-mono);font-size:.82rem;background:var(--tint);padding:10px 12px;overflow-wrap:anywhere}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:.85rem;border:1px solid var(--line);padding:2px 10px;text-decoration:none;color:var(--ink);background:var(--surface)}
a.chip:hover{border-color:var(--gold)}
mark{background:#e9cf8f66;color:inherit;padding:0 1px}

/* tree */
.line{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.line li{display:grid;grid-template-columns:64px minmax(0,1fr);gap:16px;padding-bottom:22px;position:relative}
.line li::before{content:"";position:absolute;left:31px;top:34px;bottom:0;width:1px;background:var(--line)}
.line li:last-child::before{display:none}
.line .g{width:64px;height:34px;display:flex;align-items:center;justify-content:center;border:1px solid var(--gold-mark);font-family:var(--f-caps);font-size:.8rem;color:var(--gold);background:var(--surface)}
.line .who{display:flex;flex-direction:column;gap:3px;padding-top:2px}
.line button.name{all:unset;cursor:pointer;font-family:var(--f-display);font-size:1.35rem;line-height:1.2}
.line button.name:hover,.line button.name:focus-visible{color:var(--gold)}
.line .sp{color:var(--muted);font-size:.95rem}
.dir{columns:3 240px;column-gap:32px;list-style:none;margin:0;padding:0}
.dir li{break-inside:avoid;padding:5px 0;border-bottom:1px solid var(--line)}
.dir button{all:unset;cursor:pointer}.dir button:hover,.dir button:focus-visible{color:var(--gold)}
.dir small{color:var(--muted);margin-left:6px;font-variant-numeric:tabular-nums}
.drawer{position:fixed;inset:0 0 0 auto;width:min(460px,100%);background:var(--surface);border-left:1px solid var(--line);box-shadow:-20px 0 50px #0000002e;padding:calc(env(safe-area-inset-top,0px) + 22px) 26px 26px;overflow:auto;z-index:20;display:flex;flex-direction:column;gap:14px}
.drawer .x{align-self:flex-end}
.drawer ul{margin:0;padding-left:1.1rem;display:flex;flex-direction:column;gap:6px}

/* house */
.sealbig{color:var(--gold-mark);background:var(--band);padding:36px;display:flex;justify-content:center}
.sealbig svg{width:min(300px,100%)}
table.roll{border-collapse:collapse;width:100%;font-size:.97rem}
table.roll th,table.roll td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
table.roll th{font-weight:600;color:var(--muted);font-size:.85rem}
.tablewrap{overflow-x:auto}

/* footer */
footer{background:var(--band);color:var(--band-muted);margin-top:0}
footer .wrap{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) minmax(0,1fr);gap:28px;padding-block:44px}
footer a{color:var(--band-ink);text-decoration:none}footer a:hover{text-decoration:underline}
footer .motto{font-family:var(--f-caps);letter-spacing:.18em;color:var(--band-ink);font-size:.9rem}
footer .tr{font-family:var(--f-display);font-style:italic}
footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;font-size:.95rem}
footer small{display:block;font-size:.85rem}
@media (max-width:760px){footer .wrap{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
[hidden]{display:none!important}
.scan{margin:0;background:var(--band);padding:12px;display:flex;flex-direction:column;gap:8px}
.scan img{display:block;width:100%;height:auto;max-height:78vh;object-fit:contain;cursor:zoom-in;background:#fff}
.scan.big{overflow:auto;max-height:90vh}
.scan.big img{max-height:none;width:200%;max-width:none;cursor:zoom-out}
.scan figcaption{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.88rem;color:var(--band-muted)}
.scan figcaption a{color:var(--band-ink)}
.portrait{width:140px;height:auto;border:1px solid var(--line);display:block}