:root{
  --paper:#EFF0EC;
  --card:#FBFCFA;
  --card-2:#F4F6F2;
  --line:#D3D7CD;
  --line-soft:#E2E5DC;
  --ink:#171A15;
  --ink-2:#454B41;
  --ink-3:#6F776A;
  --accent:#0E6B5E;
  --accent-2:#0A5449;
  --accent-wash:#DCEBE6;
  --ochre:#A9701F;
  --ochre-wash:#F3E7D2;
  --shadow:0 1px 2px rgba(23,26,21,.04), 0 10px 26px -16px rgba(23,26,21,.22);
  color-scheme:light dark;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#101310;
    --card:#191D18;
    --card-2:#1F2420;
    --line:#2F362D;
    --line-soft:#252B23;
    --ink:#E6EAE3;
    --ink-2:#B6BEB2;
    --ink-3:#828B7E;
    --accent:#43C2A8;
    --accent-2:#68D6BE;
    --accent-wash:#12312C;
    --ochre:#D9A555;
    --ochre-wash:#33270F;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 12px 30px -18px rgba(0,0,0,.8);
  }
}
:root[data-theme="dark"]{
  --paper:#101310;
  --card:#191D18;
  --card-2:#1F2420;
  --line:#2F362D;
  --line-soft:#252B23;
  --ink:#E6EAE3;
  --ink-2:#B6BEB2;
  --ink-3:#828B7E;
  --accent:#43C2A8;
  --accent-2:#68D6BE;
  --accent-wash:#12312C;
  --ochre:#D9A555;
  --ochre-wash:#33270F;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 12px 30px -18px rgba(0,0,0,.8);
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Public Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.55;
  min-height:100vh;
}
.wrap{max-width:800px;margin:0 auto;padding:0 20px 80px;}
a{color:var(--accent);}

/* ---------- Masthead ---------- */
header.mast{padding:40px 0 0;}
.crumb{
  font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:11px;letter-spacing:.11em;text-transform:uppercase;
  color:var(--ink-3);margin:0 0 18px;
}
.crumb a{color:var(--ink-3);text-decoration:none;border-bottom:1px solid var(--line);}
.crumb a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.crumb span{margin:0 7px;opacity:.55;}

.yearline{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);
  margin:0 0 12px;display:flex;align-items:center;gap:11px;
}
.yearline::before{content:"";width:28px;height:2px;background:var(--ochre);flex:none;}

h1{
  font-family:"Instrument Serif",Georgia,"Times New Roman",serif;
  font-weight:400;
  font-size:clamp(36px,7.4vw,58px);
  line-height:1.02;letter-spacing:-.014em;
  margin:0 0 14px;text-wrap:balance;
}
.tagline{color:var(--ink-2);margin:0 0 34px;max-width:58ch;font-size:16.5px;}

/* ---------- Class rows (home) ---------- */
.rows{display:flex;flex-direction:column;gap:11px;}
.row{
  display:flex;align-items:stretch;gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow);overflow:hidden;
  text-decoration:none;color:inherit;
  transition:border-color .16s ease, transform .16s ease;
}
.row:hover{border-color:var(--accent);transform:translateY(-1px);}
.row:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.row.soon{opacity:.62;box-shadow:none;}
.row.soon:hover{border-color:var(--line);transform:none;}

.tab{
  flex:none;width:74px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:var(--card-2);border-right:1px solid var(--line-soft);
  padding:18px 0;
}
.tab .ltr{
  font-family:"Instrument Serif",Georgia,serif;
  font-size:34px;line-height:1;color:var(--accent);
}
.row.soon .tab .ltr{color:var(--ink-3);}
.tab .cap{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:8.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-3);margin-top:6px;
}
.rowbody{padding:17px 20px;flex:1;min-width:0;}
.rowbody h2{
  font-family:"Public Sans",sans-serif;font-size:17.5px;font-weight:700;
  margin:0 0 4px;letter-spacing:-.008em;
}
.rowbody p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.5;}
.rowmeta{
  flex:none;display:flex;align-items:center;padding:0 20px 0 12px;
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3);
  white-space:nowrap;
}
@media (max-width:560px){
  .rowmeta{display:none;}
  .tab{width:60px;}
  .tab .ltr{font-size:28px;}
}

/* ---------- Unit cards (class page) ---------- */
.units{display:flex;flex-direction:column;gap:12px;}
.unit{
  display:block;text-decoration:none;color:inherit;
  background:var(--card);border:1px solid var(--line);
  border-top:3px solid var(--ochre);border-radius:12px;
  box-shadow:var(--shadow);padding:20px 22px;
  transition:border-color .16s ease, transform .16s ease;
}
.unit:hover{border-color:var(--accent);border-top-color:var(--ochre);transform:translateY(-1px);}
.unit:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.unit h2{
  font-family:"Instrument Serif",Georgia,serif;font-weight:400;
  font-size:25px;line-height:1.14;margin:0 0 6px;letter-spacing:-.008em;text-wrap:balance;
}
.unit .covers{font-size:14px;color:var(--ink-2);margin:0 0 12px;line-height:1.5;}
.unit .foot{
  display:flex;gap:10px;align-items:center;flex-wrap:wrap;
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3);
}
.pill{
  display:inline-block;padding:3px 9px;border-radius:100px;
  border:1px solid var(--accent);color:var(--accent);
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;
}
.pill.past{border-color:var(--line);color:var(--ink-3);}

/* ---------- Item list (unit page) ---------- */
.note{
  border:1px solid var(--ochre);background:var(--ochre-wash);
  border-radius:10px;padding:13px 16px;margin:0 0 26px;font-size:14.5px;color:var(--ink-2);
}
.note b{
  display:block;font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:9.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ochre);
  margin-bottom:5px;font-weight:600;
}
.items{display:flex;flex-direction:column;gap:10px;}
.item{
  display:flex;align-items:flex-start;gap:15px;
  background:var(--card);border:1px solid var(--line);border-radius:11px;
  box-shadow:var(--shadow);padding:16px 18px;
  text-decoration:none;color:inherit;
  transition:border-color .16s ease, transform .16s ease;
}
.item:hover{border-color:var(--accent);transform:translateY(-1px);}
.item:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.badge{
  flex:none;width:52px;text-align:center;padding:6px 0;border-radius:6px;
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;
  border:1px solid var(--line);color:var(--ink-3);background:var(--card-2);
}
.badge.app{border-color:var(--accent);color:var(--accent);background:var(--accent-wash);}
.badge.key{border-color:var(--ochre);color:var(--ochre);background:var(--ochre-wash);}
.itembody{min-width:0;flex:1;}
.itembody h3{font-size:16px;font-weight:700;margin:0 0 3px;letter-spacing:-.006em;}
.itembody p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.5;}
.arrow{flex:none;color:var(--ink-3);font-size:18px;align-self:center;}
.item:hover .arrow{color:var(--accent);}

.emptystate{
  border:1px dashed var(--line);border-radius:12px;padding:34px 24px;text-align:center;
  color:var(--ink-3);font-size:15px;
}

h2.section{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);
  margin:34px 0 14px;font-weight:600;
}

footer.foot{
  margin-top:44px;padding-top:18px;border-top:1px solid var(--line);
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
footer.foot a{color:var(--ink-3);text-decoration:none;border-bottom:1px solid var(--line);}
footer.foot a:hover{color:var(--accent);}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
}

/* section meta counter */
h2.section{display:flex;align-items:baseline;justify-content:space-between;gap:14px;}
h2.section .secmeta{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:10px;letter-spacing:.1em;color:var(--ink-3);font-weight:400;
}