/* Scandinavian system, Kiln Fire ink. Ink is the brand neutral #3b3731 kept as-is;
   amber #d97706 is the one accent and appears only where a person must act. */
:root{
  --canvas:#ffffff;
  --ink:#3b3731;
  --ink-2:rgb(59 55 49 / 66%);
  --ink-3:rgb(59 55 49 / 48%);
  --line:rgb(59 55 49 / 12%);
  --line-strong:rgb(59 55 49 / 20%);
  --wash:rgb(59 55 49 / 4%);
  --hover:rgb(59 55 49 / 5%);
  --accent:#d97706;
  --accent-ink:#a35a05;
  --measure:64ch;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--canvas);
  color:var(--ink);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.55;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:500;letter-spacing:-.011em}
h1{font-size:clamp(34px,5.4vw,52px);line-height:1.08;letter-spacing:-.022em}
h2{font-size:clamp(24px,3vw,30px);line-height:1.15}
h3{font-size:19px}
h4{font-size:15px;font-weight:500}
p{margin:0 0 16px}
a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line-strong)}
a:hover{border-bottom-color:var(--ink)}
img{max-width:100%;height:auto;display:block}

.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.measure{max-width:var(--measure)}

/* nav */
.site-nav{border-bottom:1px solid var(--line)}
.site-nav .wrap{display:flex;align-items:baseline;gap:32px;padding-top:20px;padding-bottom:20px;flex-wrap:wrap}
.site-nav .name{font-weight:500}
.site-nav ul{display:flex;gap:24px;list-style:none;margin:0;padding:0;font-size:15px}
.site-nav a{border-bottom:0;color:var(--ink-2)}
.site-nav a:hover{color:var(--ink)}
.site-nav a[aria-current="page"]{color:var(--ink)}

.label{font-size:13px;color:var(--ink-3);margin:0 0 12px;font-weight:500}

/* chapters */
.chapter{padding:72px 0}
.chapter + .chapter{border-top:1px solid var(--line)}
h2 + p,h2 + .measure,h2 + ul.plain{margin-top:16px}
h2 + p{color:var(--ink-2)}
h1 + .lede{margin-top:20px}
.measure > p:last-child{margin-bottom:0}
.lede{font-size:clamp(18px,2.2vw,21px);line-height:1.45;color:var(--ink-2);max-width:60ch}
.hero{padding:80px 0 56px}

/* buttons */
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.btn{display:inline-block;padding:11px 20px;border-radius:8px;font-size:15px;font-weight:500;border:1px solid var(--line-strong);color:var(--ink)}
.btn:hover{background:var(--hover);border-color:var(--ink)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-ink);border-color:var(--accent-ink);color:#fff}

/* rows: the default grouping device — space and one hairline between peers */
.rows{border-top:1px solid var(--line);margin-top:32px}
.row{display:grid;grid-template-columns:minmax(0,16rem) minmax(0,1fr);gap:8px 48px;padding:22px 0;border-bottom:1px solid var(--line)}
.row > :first-child{font-weight:500}
.row > :last-child{color:var(--ink-2);max-width:var(--measure)}
.row p:last-child{margin-bottom:0}

/* track */
.track{list-style:none;margin:32px 0 0;padding:0}
.track li{display:grid;grid-template-columns:minmax(0,16rem) minmax(0,1fr);gap:4px 48px;padding:20px 0;border-bottom:1px solid var(--line)}
.track li:first-child{border-top:1px solid var(--line)}
.track .yr{color:var(--ink-3);font-size:15px}
.track .role{font-weight:500}
.track .note{color:var(--ink-2);margin-top:2px;max-width:var(--measure)}

.note-block{margin-top:32px;padding:24px 0 0;border-top:1px solid var(--line)}
.note-block h3{margin-bottom:8px}
.note-block p{color:var(--ink-2);max-width:var(--measure);margin-bottom:0}

ul.plain{margin:0;padding-left:1.15em;color:var(--ink-2);max-width:var(--measure)}
ul.plain li{margin-bottom:8px}
ul.plain strong{color:var(--ink);font-weight:500}

figure{margin:32px 0 0}
figure img{border:1px solid var(--line);border-radius:10px}
figcaption{margin-top:12px;font-size:15px;color:var(--ink-3);max-width:var(--measure)}

footer.site-foot{border-top:1px solid var(--line);padding:64px 0 80px}
footer.site-foot p{color:var(--ink-2)}
.sig{color:var(--ink-3);font-size:15px;margin-top:32px}

@media (max-width:720px){
  body{font-size:16px}
  .chapter{padding:56px 0}
  .hero{padding:56px 0 48px}
  .row,.track li{grid-template-columns:1fr;gap:4px}
  .row > :first-child,.track .yr{color:var(--ink-3);font-size:14px;font-weight:500}
}

/* Dark. Only the tokens move; every rule above reads them.
   Alpha percentages are re-tuned for a dark canvas rather than reused from light. */
@media (prefers-color-scheme: dark){
  :root{
    --canvas:#12100e;
    --ink:#f4f2ef;
    --ink-2:rgb(244 242 239 / 58%);
    --ink-3:rgb(244 242 239 / 44%);
    --line:rgb(244 242 239 / 12%);
    --line-strong:rgb(244 242 239 / 22%);
    --wash:rgb(244 242 239 / 4%);
    --hover:rgb(244 242 239 / 9%);
    --accent:#e8963c;
    --accent-ink:#f0a94f;
  }
  .btn-primary{color:var(--canvas)}
  .btn-primary:hover{background:var(--accent-ink);border-color:var(--accent-ink);color:var(--canvas)}
  figure img{border-color:var(--line-strong)}
}