:root{
  --bg:#f4ece0;
  --bg-alt:#e8dbc7;
  --bg-dark:#33231a;
  --ink:#2a2119;
  --ink-soft:#7d6f5c;
  --ink-inv:#f4ece0;
  --accent:#b0512c;
  --accent2:#37596b;
  --mono:ui-monospace,Consolas,"Liberation Mono",monospace;
  --sans:system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --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;
}

/* ---------- grid ---------- */
.wrap{
  max-width:1240px;
  margin:0 auto;
  padding:0 28px;
}
.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:var(--gap);
}

/* ---------- typography ---------- */
h1,h2,h3,.mono{
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.12em;
  font-weight:600;
}
h1{
  font-size:clamp(26px,4.4vw,46px);
  line-height:1.22;
  letter-spacing:.06em;
  margin:0;
}
h2{
  font-size:clamp(16px,1.9vw,20px);
  line-height:1.4;
  margin:0 0 18px;
}
h3{
  font-size:14px;
  letter-spacing:.16em;
  margin:32px 0 10px;
  color:var(--accent2);
}
p{margin:0 0 20px}
a{color:var(--accent)}
a:focus-visible,
:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}
.caption{
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--ink-soft);
  line-height:1.6;
}
.num{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.2em;
  color:var(--accent2);
  display:block;
  margin-bottom:12px;
}

/* ---------- header / nav ---------- */
.site-head{padding:34px 0 0}
.site-head .grid{align-items:baseline;row-gap:14px}
.brand{
  grid-column:1/4;
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.28em;
  text-transform:uppercase;
  text-decoration:none;
  color:var(--ink);
}
.nav{grid-column:5/13;display:flex;flex-wrap:wrap;gap:26px;justify-content:flex-end}
.nav a{
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.16em;
  text-transform:uppercase;
  text-decoration:none;
  color:var(--ink-soft);
  padding:2px 0;
}
.nav a:hover{color:var(--accent)}
.nav a[aria-current="page"]{
  color:var(--ink);
  border-bottom:1px solid var(--accent);
}
.head-rule{
  grid-column:1/6;
  height:1px;
  background:var(--accent);
  margin-top:20px;
}

/* ---------- hero ---------- */
.hero{padding:56px 0 64px}
.hero .grid{row-gap:36px}
.hero-title{grid-column:1/8}
.hero-title .l1{display:block;margin-left:calc((100% / 7) * 2)}
.hero-title .l2{display:block}
.hero-lede{grid-column:1/7;margin-top:28px}
.hero-index{grid-column:10/13}
.hero-index ul{list-style:none;margin:0;padding:0;border-top:1px solid rgba(42,33,25,.22)}
.hero-index li{
  border-bottom:1px solid rgba(42,33,25,.22);
  padding:9px 0;
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--ink-soft);
}

/* ---------- sections ---------- */
section{padding:64px 0}
.band{background:var(--bg-alt)}
.dark{background:var(--bg-dark);color:var(--ink-inv)}
.dark h2,.dark h3{color:var(--ink-inv)}
.dark .num,.dark .caption{color:#c3b39a}
.dark .rule{background:var(--accent)}
.dark a{color:#e0a184}

.rule{
  height:1px;
  background:var(--accent);
  width:calc((100% - 11 * var(--gap)) / 12 * 2 + var(--gap));
  margin:0 0 26px;
}

.col-text{grid-column:1/7}
.shift{grid-column:4/10}

ul.list,ol.list{margin:0 0 22px;padding-left:0;list-style:none}
ul.list li,ol.list li{
  position:relative;
  padding-left:22px;
  margin-bottom:11px;
}
ul.list li::before{
  content:"";
  position:absolute;
  left:0;top:12px;
  width:10px;height:1px;
  background:var(--accent);
}
ol.list{counter-reset:step}
ol.list li{counter-increment:step;padding-left:34px}
ol.list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--accent2);
}

/* ---------- images ---------- */
.figure-main{grid-column:8/13;margin:0}
.figure-main img{
  display:block;
  width:100%;
  height:auto;
  border:1px solid var(--accent);
  padding:8px;
}
.figure-side{grid-column:1/7;align-self:end}
.figure-side p{margin:0}

.detail-fig{grid-column:2/6;margin:0}
.detail-fig img{
  display:block;
  width:100%;
  height:auto;
  border:1px solid rgba(244,236,224,.35);
  padding:8px;
}
.detail-fig figcaption{margin-top:12px}
.detail-text{grid-column:7/13}

/* ---------- about page ---------- */
.page-head{padding:48px 0 12px}
.page-head h1{grid-column:1/9}
.page-head .lede{grid-column:1/7;margin-top:24px}
.doc{grid-column:1/7}
.doc section{padding:0;margin-bottom:56px}
.doc h2{
  position:relative;
  padding-left:38px;
}
.doc h2::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:24px;height:1px;
  background:var(--accent);
}
.doc > section:last-child{margin-bottom:0}
.doc-wrap{padding:40px 0 72px}

/* ---------- footer ---------- */
.site-foot{padding:0 0 56px;margin-top:8px}
.foot-rule{grid-column:1/6;height:1px;background:var(--accent);margin-bottom:32px}
.foot-brand{grid-column:1/6}
.foot-brand .name{
  font-family:var(--mono);
  font-size:14px;
  letter-spacing:.28em;
  text-transform:uppercase;
}
.foot-nav{grid-column:6/9;display:flex;flex-direction:column;gap:8px}
.foot-nav a{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-soft);
  text-decoration:none;
}
.foot-nav a:hover{color:var(--accent)}
.foot-contact{grid-column:9/13}
.foot-contact a{font-family:var(--mono);font-size:12.5px;letter-spacing:.08em}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero-title{grid-column:1/13}
  .hero-lede,.col-text,.shift,.doc,.page-head h1,.page-head .lede{grid-column:1/13}
  .hero-index{grid-column:1/13}
  .figure-main{grid-column:1/10}
  .figure-side{grid-column:1/10}
  .detail-fig{grid-column:1/9}
  .detail-text{grid-column:1/13}
  .rule{width:140px}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  section{padding:40px 0}
  .hero{padding:36px 0 40px}
  .site-head{padding:24px 0 0}
  .brand{grid-column:1/13}
  .nav{grid-column:1/13;justify-content:flex-start;gap:16px 20px}
  .head-rule{grid-column:1/13}
  .hero-title .l1{margin-left:0}
  .figure-main,.figure-side,.detail-fig{grid-column:1/13}
  .foot-rule,.foot-brand,.foot-nav,.foot-contact{grid-column:1/13}
  .foot-brand{margin-bottom:26px}
  .foot-nav{margin-bottom:26px}
  .doc section{margin-bottom:40px}
}