:root{
  --bg:#eeece8;
  --bg-alt:#dedbd5;
  --bg-low:#d7d3cc;
  --bg-dark:#232220;
  --ink:#191817;
  --ink-soft:#6b6862;
  --ink-invert:#eeece8;
  --accent:#8a6a12;
  --accent2:#4a6470;
  --mono:ui-monospace,Consolas,"Liberation Mono",monospace;
  --sans:system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --pad-y:88px;
  --pad-x:52px;
  --gap:24px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}

a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
a:focus-visible,:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ---------- grid ---------- */
.wrap{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:var(--pad-x);
  padding-right:var(--pad-x);
}
.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:var(--gap);
}

/* ---------- masonry hero ---------- */
.course{width:100%}
.course--nav{background:var(--bg-alt);padding-top:18px;padding-bottom:18px}
.course--title{background:var(--bg);padding-top:120px;padding-bottom:44px}
.course--lead{background:var(--bg-low);padding-top:var(--pad-y);padding-bottom:var(--pad-y)}

.bar{display:flex;flex-wrap:wrap;align-items:baseline;gap:14px 30px;justify-content:space-between}
.brand{
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.22em;
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  text-decoration:none;
}
.brand:hover{color:var(--accent)}
nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:12px 26px;margin:0;padding:0}
nav a{
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:12.5px;
  color:var(--ink);
  text-decoration:none;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
}
nav a:hover{border-bottom-color:var(--accent);color:var(--accent)}
nav a[aria-current="page"]{border-bottom-color:var(--accent2)}

h1{
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.06em;
  font-weight:700;
  font-size:clamp(27px,4.1vw,50px);
  line-height:1.18;
  margin:0;
  grid-column:1 / span 9;
  align-self:end;
  text-wrap:balance;
}
.kicker{
  grid-column:1 / span 9;
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.24em;
  font-size:12px;
  color:var(--accent2);
  margin:0 0 26px;
}
.lead{grid-column:1 / span 6;margin:0;font-size:19px;line-height:1.7}
.lead p{margin:0 0 18px}
.lead p:last-child{margin-bottom:0}
.topics{
  grid-column:8 / span 5;
  list-style:none;
  margin:0;
  padding:0;
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--ink-soft);
  line-height:2.3;
}
.topics li{display:flex;gap:14px}
.topics span{color:var(--accent2)}

/* ---------- stepped sections ---------- */
.sec{padding-top:var(--pad-y);padding-bottom:var(--pad-y)}
.sec--a{background:var(--bg)}
.sec--b{background:var(--bg-alt)}
.sec--dark{background:var(--bg-dark);color:var(--ink-invert)}
.sec--dark h2,.sec--dark h3{color:var(--ink-invert)}
.sec--dark .num{color:#9db2bb}
.sec--dark figcaption{color:#a8a49c}
.sec--dark a{color:#d3b25e}

.s0 .col{grid-column:1 / span 6}
.s1 .col{grid-column:2 / span 6}
.s2 .col{grid-column:3 / span 6}
.s3 .col{grid-column:4 / span 6}

h2{
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.09em;
  font-weight:700;
  font-size:clamp(19px,2.1vw,25px);
  line-height:1.3;
  margin:0 0 22px;
}
h3{
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.12em;
  font-weight:700;
  font-size:15px;
  margin:34px 0 12px;
}
.num{
  display:block;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.26em;
  color:var(--accent2);
  margin-bottom:10px;
}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}

ul.list,ol.list{margin:4px 0 18px;padding-left:0;list-style:none}
ul.list li,ol.list li{position:relative;padding-left:26px;margin-bottom:10px}
ul.list li::before{
  content:"";
  position:absolute;
  left:0;top:13px;
  width:11px;height:2px;
  background:var(--accent);
}
ol.list{counter-reset:c}
ol.list li{counter-increment:c}
ol.list li::before{
  content:counter(c,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--accent);
}
.note{color:var(--ink-soft);font-size:15.5px}

/* ---------- main image ---------- */
.sec--figure{padding-top:0;padding-bottom:var(--pad-y)}
.figmain{grid-column:4 / span 9;margin:0}
.figmain img{width:100%}
figcaption{
  margin-top:14px;
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.11em;
  text-transform:uppercase;
  color:var(--ink-soft);
  line-height:1.7;
  max-width:56ch;
}

/* ---------- dark detail block ---------- */
.figdetail{grid-column:1 / span 4;margin:0}
.figdetail img{width:100%}
.sec--dark .col-wide{grid-column:6 / span 6}

/* ---------- contact / content blocks ---------- */
.meta{
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin-top:22px;
}
.meta a{color:var(--accent)}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-dark);color:var(--ink-invert);margin-top:0}
.footer-name{
  font-family:var(--mono);
  text-transform:uppercase;
  font-weight:700;
  letter-spacing:.04em;
  font-size:clamp(44px,12vw,150px);
  line-height:.95;
  margin:0;
  padding-top:64px;
  color:var(--ink-invert);
}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  column-gap:var(--gap);
  row-gap:36px;
  padding-top:56px;
  padding-bottom:64px;
}
.footer-cols section h2{
  font-size:12px;
  letter-spacing:.22em;
  color:#a8a49c;
  margin:0 0 14px;
  padding-top:14px;
  border-top:2px solid var(--accent2);
  display:inline-block;
  min-width:56px;
}
.footer-cols ul{list-style:none;margin:0;padding:0}
.footer-cols li{margin-bottom:8px}
.footer-cols a{color:var(--ink-invert);text-decoration:none;border-bottom:1px solid rgba(238,236,232,.35)}
.footer-cols a:hover{color:#d3b25e;border-bottom-color:#d3b25e}
.footer-cols p{font-size:15.5px;color:#c6c2ba;margin:0}
.footer-legal{
  border-top:1px solid rgba(238,236,232,.18);
  padding-top:22px;
  padding-bottom:40px;
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:#a8a49c;
}

/* ---------- about page ---------- */
.doc .col{margin-top:0}
.doc h2{margin-top:0}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  :root{--pad-x:34px;--pad-y:64px;--gap:18px}
  .course--title{padding-top:76px}
  .lead{grid-column:1 / span 8}
  .topics{grid-column:9 / span 4}
  .figmain{grid-column:3 / span 10}
  .figdetail{grid-column:1 / span 5}
  .sec--dark .col-wide{grid-column:7 / span 6}
  .s0 .col,.s1 .col{grid-column:1 / span 8}
  .s2 .col,.s3 .col{grid-column:2 / span 8}
  h1{grid-column:1 / span 11}
  .kicker{grid-column:1 / span 11}
}

@media (max-width:720px){
  :root{--pad-x:20px;--pad-y:48px}
  body{font-size:16.5px}
  .bar{gap:14px}
  nav ul{gap:10px 18px}
  .grid{display:block}
  h1,.kicker,.lead,.topics,.col,.figmain,.figdetail,.sec--dark .col-wide{grid-column:auto}
  .lead{font-size:17.5px}
  .topics{margin-top:34px}
  .figmain,.figdetail{margin-top:0}
  .figdetail{margin-bottom:34px}
  .footer-cols{grid-template-columns:1fr;row-gap:30px;padding-top:44px}
  .footer-name{padding-top:48px}
}