:root{
  --ground:#EEF0EC; --surface:#FFFFFF; --ink:#1B2620; --mute:#5B6B62; --line:#D3D9D3;
  --accent:#2F5F5C; --accent-soft:#DCE8E6; --oxide:#B3562E; --oxide-soft:#F4E4DB;
  --draft:#F3E8B8; --draft-ink:#5A4A08;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --ground:#141A17; --surface:#1C2420; --ink:#E8ECE7; --mute:#9AA79F; --line:#2E3A34;
  --accent:#7FB8B2; --accent-soft:#213431; --oxide:#E08A63; --oxide-soft:#3A2A22;
  --draft:#3A3410; --draft-ink:#EADB8C;
}}
:root[data-theme="dark"]{
  --ground:#141A17; --surface:#1C2420; --ink:#E8ECE7; --mute:#9AA79F; --line:#2E3A34;
  --accent:#7FB8B2; --accent-soft:#213431; --oxide:#E08A63; --oxide-soft:#3A2A22;
  --draft:#3A3410; --draft-ink:#EADB8C;
}
*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--ink);font:400 18px/1.6 "Atkinson Hyperlegible",system-ui,sans-serif}
h1,h2,h3{font-family:Spectral,Georgia,serif;font-weight:600;line-height:1.12;margin:0 0 .5rem;text-wrap:balance}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-top:2.6rem}h3{font-size:1.25rem;margin-top:1.6rem}
p{margin:0 0 1em;max-width:66ch}
a{color:var(--accent)}
.eyebrow{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);display:block;margin-bottom:.6rem}
.wrap{max-width:1040px;margin:0 auto;padding:0 clamp(18px,4vw,40px)}
/* site head */
.head{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.head .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px;flex-wrap:wrap}
.brand{font-family:Spectral,serif;font-weight:600;font-size:1.25rem;text-decoration:none;color:var(--ink)}
.brand small{display:block;font:400 .72rem/1 "Atkinson Hyperlegible",sans-serif;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);margin-top:4px}
nav.site{display:flex;gap:4px;flex-wrap:wrap}
nav.site a{color:var(--mute);text-decoration:none;padding:8px 10px;border-radius:4px;font-weight:700;font-size:.92rem}
nav.site a[aria-current]{color:var(--ink);background:var(--accent-soft)}
.langs{display:flex;border:1px solid var(--line);border-radius:4px;overflow:hidden}
.langs a{font:700 .78rem/1 "Atkinson Hyperlegible",sans-serif;letter-spacing:.06em;padding:9px 12px;border:0;background:transparent;color:var(--mute);cursor:pointer}
.langs a.on{background:var(--ink);color:var(--ground)}
/* pages */
.page{padding:2.4rem 0 4rem}
.hero{padding:2.2rem 0 1.2rem}
.hero .lede{font-family:Spectral,serif;font-size:1.35rem;line-height:1.4;color:var(--ink);max-width:34ch}
.hero .list{font-size:1.05rem;color:var(--mute);max-width:60ch}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;padding:12px 20px;border-radius:4px;margin-top:.4rem}
:root[data-theme="dark"] .btn,html .btn.dark{color:var(--ground)}
.tri{border-left:4px solid var(--accent);padding:.2rem 0 .2rem 1.2rem;margin:2rem 0}
.tri p{font-family:Spectral,serif;font-size:1.28rem;line-height:1.35;margin:0 0 .6em;max-width:44ch}
.tri p b{font-weight:600}
table{border-collapse:collapse;width:100%;max-width:820px;margin:1rem 0 1.6rem;font-size:.98rem}
th,td{text-align:left;vertical-align:top;padding:12px 14px;border-bottom:1px solid var(--line)}
th{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);font-weight:700}
.tablewrap{overflow-x:auto}
.example{background:var(--surface);border:1px solid var(--line);padding:1.4rem 1.6rem;max-width:760px;margin:1.2rem 0}
.example q{font-family:Spectral,serif;font-style:italic;font-size:1.12rem;display:block;margin-bottom:.8rem}
.example ul{margin:0;padding-left:1.1rem}.example li{margin:.3rem 0}
.moves{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:1.4rem 0}
.move{background:var(--surface);border:1px solid var(--line);padding:1.2rem 1.3rem;text-decoration:none;color:var(--ink)}
.move .eyebrow{color:var(--accent)}.move h3{margin-top:0;font-size:1.3rem}.move p{color:var(--mute);font-size:.95rem;margin:0}
.shelf{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:1rem 0}
.shelf div{border-top:2px solid var(--accent);padding-top:.8rem}.shelf b{display:block}.shelf small{color:var(--mute)}
/* frames ledger */
.icon{width:54px;height:54px;color:var(--ink);align-self:center}
.strip{display:grid;grid-template-columns:repeat(12,1fr);gap:6px;margin:.4rem 0 2.2rem;text-decoration:none;max-width:820px}
.strip span{display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--ink)}
.strip i{font:600 1.15rem/1 Spectral,serif;font-style:normal;color:var(--accent)}
.strip .si{width:100%;max-width:56px;height:auto;aspect-ratio:1;color:var(--ink)}
.stripcap{color:var(--mute);font-size:.95rem;max-width:60ch;margin-bottom:.6rem}
@media (max-width:640px){.strip{grid-template-columns:repeat(6,1fr)}}
.frames{margin:1.4rem 0;border-top:1px solid var(--line)}
.frame{display:grid;grid-template-columns:44px 54px 180px 1fr;gap:4px 14px;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--line)}
.frame .letter{font-family:Spectral,serif;font-weight:600;font-size:2.1rem;line-height:1;color:var(--accent)}
.frame .name{font-weight:700}.frame .name small{display:block;font-weight:400;color:var(--mute);font-size:.85rem}
.frame .q{font-family:Spectral,serif;font-size:1.22rem;line-height:1.35;margin:0}
.frame .key{grid-column:4;color:var(--mute);font-size:.88rem;line-height:1.45;max-width:62ch}
@media (max-width:640px){.frame{grid-template-columns:40px 44px 1fr}.frame .q,.frame .key{grid-column:1/-1}.icon{width:40px;height:40px}}
.rules{background:var(--accent-soft);padding:1.2rem 1.4rem;max-width:760px;margin:1.2rem 0}
.rules ol{margin:.4rem 0 0;padding-left:1.2rem}.rules li{margin:.35rem 0}
.steps{counter-reset:s;list-style:none;padding:0;margin:1rem 0;max-width:760px}
.steps li{counter-increment:s;display:grid;grid-template-columns:44px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.steps li::before{content:counter(s);font-family:Spectral,serif;font-weight:600;font-size:1.4rem;color:var(--accent)}
pre{background:var(--surface);border:1px solid var(--line);padding:1rem 1.2rem;white-space:pre-wrap;font:.92rem/1.5 ui-monospace,Menlo,monospace;max-width:760px;overflow-x:auto}
.next{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:1rem 0 2rem}
.next a{display:block;border:1px solid var(--line);background:var(--surface);padding:1rem 1.1rem;text-decoration:none;color:var(--ink)}
.next a b{display:block;margin-bottom:.2rem}.next a span{color:var(--mute);font-size:.92rem}
.next a.faith{border-color:var(--oxide);background:var(--oxide-soft)}.next a.faith .tag{color:var(--oxide)}
.tag{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;display:block;margin-bottom:.3rem;color:var(--accent)}
.path{background:var(--surface);border:1px solid var(--line);padding:1.3rem 1.5rem;margin:1rem 0;max-width:820px}
.path h3{margin-top:0}.path ul{columns:2;column-gap:2rem;padding-left:1.1rem;margin:.4rem 0}.path li{break-inside:avoid;margin:.2rem 0}
@media (max-width:640px){.path ul{columns:1}}
.note{font-size:.92rem;color:var(--mute);max-width:66ch}
.todo{display:inline-block;background:var(--draft);color:var(--draft-ink);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;padding:3px 8px;border-radius:3px;vertical-align:middle;margin-left:6px}
footer{border-top:1px solid var(--line);background:var(--surface);padding:2rem 0 3rem;font-size:.9rem;color:var(--mute)}
footer p{max-width:76ch}
:focus-visible{outline:3px solid var(--oxide);outline-offset:2px}


.langs a{text-decoration:none;display:inline-block;font:700 .78rem/1 'Atkinson Hyperlegible',sans-serif;letter-spacing:.06em;padding:9px 12px;color:var(--mute)}
.langs a.on{background:var(--ink);color:var(--ground)}
.todo{display:none}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--ground);padding:8px 12px}.skip:focus{left:8px;z-index:50}