/* ODA site styles. One centered column (max 1080px); ODA Weekly band sits under a compact hero. */
:root{
  --ink:#1F3A5F;        /* Altiplano ink — primary */
  --clay:#9A5B3C;       /* secondary: labels, dates */
  --gold:#C9962E;       /* accent: small marks only */
  --paper:#FAF8F4;      /* page */
  --surface:#FFFFFF;    /* cards */
  --tint:#F1ECE3;       /* band ground */
  --rule:#E4DED3;
  --text:#2B2F36;
  --muted:#5D6470;
  --on-ink:#FFFFFF;
  --serif:"Lora",Georgia,"Times New Roman",serif;
  --sans:"Source Sans 3","Source Sans Pro","Segoe UI",Helvetica,Arial,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --ink:#9DB8DA;--clay:#D79A78;--gold:#D9A845;--paper:#14181E;--surface:#1B2028;--tint:#1F252E;--rule:#2E3540;--text:#E6E3DD;--muted:#A3AAB5;--on-ink:#0F1620;color-scheme:dark}}
:root[data-theme="dark"]{--ink:#9DB8DA;--clay:#D79A78;--gold:#D9A845;--paper:#14181E;--surface:#1B2028;--tint:#1F252E;--rule:#2E3540;--text:#E6E3DD;--muted:#A3AAB5;--on-ink:#0F1620;color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--paper);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.6;margin:0}
a{color:var(--ink);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--clay)}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:2px}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);font-weight:600;text-wrap:balance;line-height:1.25;margin:0}
h1{font-size:clamp(1.9rem,4vw,2.6rem)}
h2{font-size:clamp(1.45rem,3vw,1.85rem)}
h3{font-size:1.2rem}
p{margin:0}
.wrap{max-width:1080px;margin:0 auto;padding-inline:20px}
.prose{max-width:66ch}
.stack{display:grid;gap:14px}
.eyebrow{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:var(--clay)}
.muted{color:var(--muted)}
.small{font-size:.9rem}


/* header */
header.site{border-bottom:1px solid var(--rule);background:var(--paper);position:sticky;top:env(safe-area-inset-top,0px);z-index:10}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand svg{flex:none}
.brand .wm{font-family:var(--serif);font-weight:600;font-size:1.55rem;letter-spacing:.08em;line-height:1}
.brand .sub{display:block;font-family:var(--sans);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-top:4px}
nav.main{display:flex;gap:4px 20px;flex-wrap:wrap;align-items:center}
nav.main a{text-decoration:none;color:var(--text);font-weight:500;font-size:.98rem;padding:4px 0;border-bottom:2px solid transparent}
nav.main a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--gold)}
nav.main a.btn{border-bottom:none}
.btn{display:inline-block;background:var(--ink);color:var(--on-ink);text-decoration:none;font-weight:600;padding:9px 18px;border-radius:3px;font-size:.95rem;border:1px solid var(--ink)}
.btn:hover{color:var(--on-ink);opacity:.9}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{color:var(--clay);border-color:var(--clay)}

section.page{display:none}
section.page.on{display:block}
.block{padding-block:48px}
.block + .block{border-top:1px solid var(--rule)}

/* hero */
.hero{padding-block:44px 36px}
.hero .lead{font-size:1.2rem;max-width:58ch;margin-top:14px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}

/* weekly band */
.band{background:var(--tint);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.band .wrap{padding-block:36px}
.band-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px 20px;flex-wrap:wrap;margin-bottom:20px}
.band-head .title{font-family:var(--serif);font-size:1.5rem;font-weight:600;color:var(--ink)}
.band-head .meta{font-size:.9rem;color:var(--clay);font-weight:600;font-variant-numeric:tabular-nums}
.pick{background:var(--surface);border:1px solid var(--rule);padding:22px 24px;display:grid;gap:8px}
.pick h3{font-size:1.4rem}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:20px 40px;margin-top:26px}
.col-h{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--ink);padding-bottom:8px;border-bottom:2px solid var(--ink);margin-bottom:4px}
.hl{display:block;padding-block:12px;border-bottom:1px solid var(--rule);text-decoration:none;color:var(--text)}
.hl strong{display:block;font-family:var(--serif);font-weight:500;font-size:1.07rem;color:var(--ink);line-height:1.35}
.hl:hover strong{color:var(--clay)}
a.pick.hl{display:grid;gap:8px;padding:22px 24px;background:var(--surface);border:1px solid var(--rule)}
.label{font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;font-weight:600;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.marker{color:var(--clay);display:inline-flex;align-items:center;gap:6px}
.marker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold)}
.band-foot{display:flex;gap:10px 22px;flex-wrap:wrap;margin-top:22px;font-weight:600;font-size:.95rem}

/* framework */
.fw{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,190px),1fr));gap:0;margin-top:22px;border:1px solid var(--rule);background:var(--surface)}
.fw div{padding:18px 18px;border-right:1px solid var(--rule);position:relative}
.fw div:last-child{border-right:none}
.fw .n{font-family:var(--serif);font-size:1.15rem;color:var(--ink);font-weight:600}
.fw .d{font-size:.92rem;color:var(--muted)}
.fw .focus{background:var(--tint)}
.fw-note{margin-top:10px;font-size:.9rem;color:var(--muted)}

/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:18px;margin-top:22px}
.card{background:var(--surface);border:1px solid var(--rule);padding:20px;display:flex;flex-direction:column;gap:10px}
.card p{font-size:.96rem}
.card .go{margin-top:auto;font-weight:600;font-size:.92rem}
.card.wide{grid-column:1/-1;background:var(--tint)}

/* founder */
.founder{display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:start;margin-top:22px}
.portrait{width:120px;aspect-ratio:1;max-width:100%;background:var(--tint);border:1px solid var(--rule);display:grid;place-items:center;font-family:var(--serif);font-size:2rem;color:var(--ink)}
@media (max-width:520px){.founder{grid-template-columns:1fr}}
.pubs{display:grid;gap:12px;padding-left:0;list-style:none;margin:0}
.pubs li{padding-left:16px;border-left:2px solid var(--rule);font-size:.96rem}

/* issue */
.item{padding-block:22px;border-bottom:1px solid var(--rule);display:grid;gap:8px;scroll-margin-top:90px}
.item h3{font-size:1.3rem}
.item .why b{color:var(--ink)}
.item .src{font-size:.9rem;color:var(--muted)}
.ednote{font-size:.85rem;color:var(--muted);font-style:italic}
.toc{display:flex;gap:8px 18px;flex-wrap:wrap;font-weight:600;font-size:.95rem;margin-top:14px}
.stream-h{margin-top:36px;padding-bottom:8px;border-bottom:2px solid var(--ink)}

/* tables */
.tbl{overflow-x:auto;margin-top:16px}
table{border-collapse:collapse;width:100%;font-size:.95rem;font-variant-numeric:tabular-nums}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--rule);vertical-align:top}
th{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600}

details{border-top:1px solid var(--rule);padding-top:10px;margin-top:6px}
summary{cursor:pointer;font-weight:600;color:var(--clay);font-size:.92rem}
details p{margin-top:8px;font-size:.95rem}

/* forms */
form.f{display:grid;gap:12px;max-width:520px;margin-top:18px}
label{font-weight:600;font-size:.92rem;display:grid;gap:6px}
input,textarea,select{font:inherit;font-size:1rem;padding:10px 12px;border:1px solid var(--rule);background:var(--surface);color:var(--text);border-radius:3px;width:100%}
textarea{min-height:120px}
.ok{font-size:.92rem;color:var(--clay);font-weight:600}
.inline-form{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;max-width:520px}
.inline-form input{flex:1 1 220px;width:auto}

footer.site{background:var(--ink);color:var(--on-ink);margin-top:0}
footer.site .wrap{padding-block:40px;display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr))}
footer.site a{color:var(--on-ink)}
footer.site .fh{font-family:var(--serif);font-size:1.2rem;font-weight:600}
footer.site p{font-size:.95rem;opacity:.92}
footer .inline-form input{background:var(--on-ink);color:var(--text);border-color:transparent}
footer .btn{background:var(--gold);border-color:var(--gold);color:#1B1B1B}
.copy{font-size:.82rem;opacity:.8}
@media (prefers-reduced-motion:no-preference){.hl strong,a{transition:color .15s}}
.lang{display:flex;gap:2px;border:1px solid var(--rule);border-radius:3px;padding:2px}
.lang button{font:inherit;font-size:.8rem;font-weight:600;letter-spacing:.06em;background:transparent;color:var(--muted);border:0;padding:4px 8px;border-radius:2px;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--ink);color:var(--on-ink)}
.hdr-right{display:flex;gap:14px 20px;align-items:center;flex-wrap:wrap}
.vh{position:absolute;left:-9999px}
.post{max-width:68ch}
.post .dek{font-size:1.2rem;color:var(--muted);font-family:var(--serif);font-style:italic;margin-top:10px}
.post .byline{font-size:.9rem;color:var(--clay);font-weight:600;margin-top:14px}
.post .body{display:grid;gap:16px;margin-top:26px}
.post .body h3{margin-top:12px}
.post .body ul{margin:0;padding-left:20px;display:grid;gap:10px}
.refs{font-size:.88rem;color:var(--muted);display:grid;gap:8px;padding-left:20px;margin:0}
.persp{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px 32px;align-items:end;margin-top:18px}
@media (max-width:640px){.persp{grid-template-columns:1fr}}
.persp h3{font-size:1.6rem}

.loading{padding-block:80px;color:var(--muted);text-align:center}
@media (max-width:640px){header.site{position:static}}