/* Dugende — index-column */

:root{
  --bg:#fcfbf9;
  --bg-alt:#efeeea;
  --bg-dark:#141414;
  --ink:#141414;
  --ink-soft:#6a6a66;
  --ink-inv:#fcfbf9;
  --accent:#c22a22;
  --accent2:#3c5a4a;
  --step:84px;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}

*{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:1.8;
  overflow-x:hidden;
}

.wrap{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 28px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:26px;
}

a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(194,42,34,.4)}
a:hover{border-bottom-color:var(--accent)}
a:focus-visible,
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

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

/* ---------- header / nav ---------- */

.site-head{
  border-bottom:1px solid rgba(20,20,20,.14);
  padding:22px 0 20px;
}
.site-head .wrap{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:14px 30px;
}
.brand{
  font-family:var(--serif);
  font-size:23px;
  letter-spacing:.01em;
  color:var(--ink);
  border:0;
}
.brand span{
  display:block;
  font-family:var(--sans);
  font-size:13px;
  line-height:1.5;
  color:var(--ink-soft);
  letter-spacing:.02em;
}
.site-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
}
.site-nav a{
  font-size:14px;
  color:var(--ink);
  border-bottom:1px solid transparent;
}
.site-nav a:hover,.site-nav a[aria-current="page"]{
  border-bottom-color:var(--accent);
  color:var(--accent);
}

/* ---------- hero ---------- */

.hero{padding:calc(var(--step) - 14px) 0 var(--step)}
.hero .lede-col{grid-column:1 / span 8}
h1{
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(34px,5.4vw,60px);
  line-height:1.05;
  margin:0 0 30px;
  max-width:14ch;
}
.hero p.lede{
  grid-column:1 / span 6;
  margin:0;
  font-size:19px;
  line-height:1.7;
  color:#2a2a28;
}
.hero .lede-col p.lede{max-width:48ch}

/* index column (right pointer) */
.index-col{
  grid-column:10 / span 3;
  font-size:13px;
  line-height:1.7;
  color:var(--ink-soft);
  border-left:1px solid rgba(20,20,20,.16);
  padding-left:18px;
}
.index-col h2,
.index-col p.index-title{
  font-family:var(--sans);
  font-size:13px;
  font-weight:600;
  color:var(--accent2);
  margin:0 0 12px;
  letter-spacing:.02em;
}
.index-col ol{
  list-style:none;
  margin:0;
  padding:0;
  counter-reset:idx;
}
.index-col li{
  counter-increment:idx;
  margin-bottom:9px;
  display:flex;
  gap:9px;
}
.index-col li::before{
  content:counter(idx,decimal-leading-zero);
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  flex:0 0 auto;
}
.index-col li a{color:var(--ink-soft);border-bottom:1px solid transparent}
.index-col li a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.index-col .idx-mail{margin-top:16px;padding-top:14px;border-top:1px solid rgba(20,20,20,.16)}

/* ---------- sections ---------- */

.band{padding:var(--step) 0}
.band--alt{background:var(--bg-alt)}
.band--dark{background:var(--bg-dark);color:var(--ink-inv)}
.band--dark h2,.band--dark h3{color:var(--ink-inv)}
.band--dark .caption{color:#a5a49f}
.band--dark a{color:#e8837a;border-bottom-color:rgba(232,131,122,.45)}
.band--dark .rule{background:rgba(252,251,249,.28)}

.sec-head{
  grid-column:1 / span 7;
  margin:0 0 26px;
}
h2{
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(24px,2.6vw,31px);
  line-height:1.2;
  margin:0;
}
h3{
  font-family:var(--sans);
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  margin:34px 0 8px;
  letter-spacing:.01em;
}
.body-col{grid-column:1 / span 7}
.body-col p{margin:0 0 20px}
.body-col p:last-child{margin-bottom:0}

.marker{
  grid-column:10 / span 3;
  font-size:13px;
  line-height:1.7;
  color:var(--ink-soft);
}
.marker .num{
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  display:block;
  margin-bottom:6px;
}
.marker .tag{color:var(--accent2)}

.rule{
  grid-column:1 / span 7;
  height:1px;
  background:rgba(20,20,20,.18);
  margin:0 0 30px;
}

/* lists */
ul.checks,ol.steps{
  grid-column:1 / span 7;
  margin:6px 0 0;
  padding:0;
  list-style:none;
}
ul.checks li{
  padding-left:20px;
  position:relative;
  margin-bottom:11px;
}
ul.checks li::before{
  content:"—";
  position:absolute;
  left:0;
  color:var(--accent);
}
ol.steps{counter-reset:st}
ol.steps li{
  counter-increment:st;
  padding-left:36px;
  position:relative;
  margin-bottom:13px;
}
ol.steps li::before{
  content:counter(st,decimal-leading-zero);
  position:absolute;
  left:0;
  color:var(--accent2);
  font-size:13px;
  font-variant-numeric:tabular-nums;
  top:.25em;
}
li b{font-weight:600}

/* definition-style rows */
dl.rows{
  grid-column:1 / span 7;
  margin:4px 0 0;
}
dl.rows dt{
  font-weight:600;
  border-top:1px solid rgba(20,20,20,.18);
  padding-top:14px;
  margin-top:14px;
}
dl.rows dd{margin:2px 0 0;color:#2a2a28}
.band--dark dl.rows dt{border-top-color:rgba(252,251,249,.25)}
.band--dark dl.rows dd{color:#d8d7d2}

/* ---------- images ---------- */

.figure-main{
  grid-column:1 / span 8;
  margin:0;
}
.figure-main img{width:100%}
.caption{
  font-size:13px;
  line-height:1.6;
  color:var(--ink-soft);
  margin-top:10px;
}
.figure-main .caption{
  grid-column:auto;
  max-width:46ch;
  margin-left:auto;
  text-align:right;
}

.figure-detail{
  grid-column:1 / span 4;
  margin:0;
}
.figure-detail img{width:100%}
.detail-text{grid-column:6 / span 6}
.detail-text p{margin:0 0 18px}
.detail-text p:last-child{margin-bottom:0}

/* ---------- footer ---------- */

.site-foot{
  background:var(--bg);
  border-top:1px solid rgba(20,20,20,.18);
  padding:46px 0 56px;
}
.foot-top{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:18px 40px;
  align-items:flex-start;
}
.foot-name{
  font-family:var(--serif);
  font-size:22px;
  line-height:1.2;
}
.foot-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
  font-size:14px;
}
.foot-nav a{color:var(--ink);border-bottom:1px solid transparent}
.foot-nav a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.foot-line{
  height:1px;
  background:rgba(20,20,20,.18);
  margin:26px 0 20px;
}
.foot-mail{font-size:15px;margin:0 0 8px}
.foot-note{
  font-size:13px;
  line-height:1.7;
  color:var(--ink-soft);
  margin:0;
  max-width:64ch;
}

/* ---------- responsive ---------- */

@media (max-width:900px){
  :root{--step:50px}
  body{font-size:16.5px}
  .wrap{padding:0 20px}
  .grid{grid-template-columns:1fr;column-gap:0;row-gap:0}
  .hero{display:block}
  .hero .lede-col,
  .hero p.lede,
  .sec-head,.body-col,.rule,ul.checks,ol.steps,dl.rows,
  .figure-main,.figure-detail,.detail-text,.index-col,.marker{
    grid-column:auto;
  }
  h1{max-width:none;margin-bottom:22px}
  .index-col{
    border-left:0;
    border-top:1px solid rgba(20,20,20,.16);
    border-bottom:1px solid rgba(20,20,20,.16);
    padding:16px 0;
    margin:0 0 30px;
  }
  .index-col ol{
    display:flex;
    flex-wrap:wrap;
    gap:4px 18px;
  }
  .index-col li{margin-bottom:0}
  .marker{
    margin:0 0 16px;
    display:flex;
    gap:10px;
    align-items:baseline;
  }
  .marker .num{margin:0}
  .figure-main .caption{text-align:left;margin-left:0}
  .figure-detail{margin-bottom:26px}
  .rule{margin-bottom:22px}
}

@media (min-width:901px){
  .hero{display:grid;grid-template-columns:repeat(12,1fr);column-gap:26px}
  .hero .index-col{grid-row:1;grid-column:10 / span 3}
}