/* Misezo — book-spine */

:root{
  --paper:#f1f2f0;
  --paper-alt:#e3e5e2;
  --ink-block:#141614;
  --ink:#171917;
  --ink-soft:#6a6e6a;
  --accent:#2a6b3c;
  --accent-2:#8a6a20;
  --rhythm:76px;
  --gutter:26px;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.7;
  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 shell ---------- */

.shell{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 20px;
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:var(--gutter);
}

.col-main{grid-column:2 / 8;}
.col-wide{grid-column:2 / 10;}
.col-full{grid-column:2 / 13;}
.col-right{grid-column:7 / 13;}
.rail{grid-column:1 / 2;}

/* ---------- spine ---------- */

.spine{
  position:absolute;
  top:0;
  bottom:0;
  left:0;
  width:100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:11px;
  padding-top:12px;
}
.spine span{
  display:block;
  width:16px;
  height:2px;
  background:var(--accent);
  opacity:.75;
}
.spine span:nth-child(3n){background:var(--accent-2);width:10px;}

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

.site-head{
  border-bottom:1px solid #d3d6d2;
  background:var(--paper);
}
.site-head .shell{padding-top:20px;padding-bottom:20px;align-items:baseline;}

.brand{
  grid-column:1 / 5;
  font-size:19px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink);
  text-decoration:none;
}
.brand:hover{text-decoration:none;color:var(--accent);}

.site-nav{grid-column:5 / 13;}
.site-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
  justify-content:flex-end;
}
.site-nav a{
  color:var(--ink-soft);
  text-decoration:none;
  font-size:14px;
  letter-spacing:.03em;
  padding-bottom:3px;
  border-bottom:1px solid transparent;
}
.site-nav a:hover{color:var(--ink);border-bottom-color:var(--accent);}
.site-nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--accent);}

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

.hero{
  position:relative;
  padding:calc(var(--rhythm) * .95) 0 var(--rhythm);
  border-bottom:1px solid #d3d6d2;
}

.hero h1{
  grid-column:2 / 11;
  margin:0;
  font-size:clamp(34px,5.4vw,62px);
  line-height:1.06;
  font-weight:700;
  letter-spacing:-.025em;
  max-width:16ch;
}

.rule-double{
  grid-column:2 / 9;
  margin:26px 0 22px;
  border-top:2px solid var(--ink);
  border-bottom:1px solid var(--ink);
  height:5px;
}

.hero-lede{
  grid-column:2 / 10;
  margin:0;
  font-size:20px;
  line-height:1.65;
  color:#2b2f2b;
}

.hero-meta{
  grid-column:2 / 10;
  margin:22px 0 0;
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--accent-2);
}

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

.band{padding:var(--rhythm) 0;}
.band--alt{background:var(--paper-alt);}
.band--dark{background:var(--ink-block);color:var(--paper);}
.band--dark h2,.band--dark h3{color:var(--paper);}
.band--dark .folio{color:#9aa39a;}
.band--dark .folio::after{background:#3a3f3a;}
.band--dark a{color:#8fc39e;}
.band--dark .caption{color:#9aa39a;}
.band--dark .rule-thin{border-color:#3a3f3a;}

.folio{
  grid-column:1 / 13;
  margin:0 0 30px;
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-soft);
}
.folio em{font-style:normal;color:var(--accent-2);margin-right:10px;}
.folio::after{
  content:"";
  display:block;
  height:1px;
  background:#c9ccc8;
  margin-top:10px;
}

h2{
  font-size:clamp(23px,2.6vw,30px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.012em;
  margin:0 0 18px;
}
h3{
  font-size:18px;
  line-height:1.4;
  font-weight:700;
  margin:34px 0 10px;
}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}

.lede{
  font-size:19px;
  line-height:1.65;
}

/* ---------- lists ---------- */

ul.plain,ol.plain{
  margin:0 0 18px;
  padding-left:20px;
}
ul.plain li,ol.plain li{margin-bottom:9px;}
ul.plain li::marker{color:var(--accent);}
ol.plain li::marker{color:var(--accent-2);font-weight:700;}

.checklist{
  list-style:none;
  margin:0;
  padding:0;
}
.checklist li{
  position:relative;
  padding-left:26px;
  margin-bottom:11px;
}
.checklist li::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  width:13px;
  height:2px;
  background:var(--accent);
}

dl.terms{margin:0;}
dl.terms dt{
  font-weight:700;
  margin-top:22px;
}
dl.terms dd{
  margin:5px 0 0;
  color:#2b2f2b;
}

/* ---------- figures ---------- */

.figure-main{
  grid-column:7 / 13;
  margin:0;
}
.figure-main img{width:100%;}

.caption{
  margin-top:10px;
  font-size:13px;
  line-height:1.55;
  color:var(--ink-soft);
  text-align:left;
}

.figure-detail{
  grid-column:8 / 12;
  margin:0;
}
.figure-detail img{width:100%;}

.dark-text{grid-column:2 / 8;}

/* ---------- separator ---------- */

.sep{
  grid-column:1 / 13;
  display:flex;
  justify-content:center;
  gap:9px;
  padding:calc(var(--rhythm) * .55) 0 0;
}
.sep i{
  display:block;
  width:18px;
  height:2px;
  background:var(--accent);
}
.sep i:nth-child(2){background:var(--accent-2);}

/* ---------- about ---------- */

.dropcap::first-letter{
  float:left;
  font-size:64px;
  line-height:.86;
  font-weight:700;
  color:var(--accent);
  padding:5px 12px 0 0;
}

/* ---------- table-ish ---------- */

.rule-thin{
  border:0;
  border-top:1px solid #c9ccc8;
  margin:34px 0;
}

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

.site-foot{
  background:var(--paper);
  border-top:1px solid #d3d6d2;
  padding:calc(var(--rhythm) * .7) 0;
  text-align:center;
}
.site-foot .shell{display:block;}
.foot-name{
  font-size:16px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  margin:0 0 16px;
}
.foot-nav ul{
  list-style:none;
  margin:0 0 16px;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:0;
}
.foot-nav li{display:flex;align-items:center;}
.foot-nav li + li::before{
  content:"";
  width:1px;
  height:13px;
  background:#c3c7c2;
  margin:0 14px;
}
.foot-nav a{
  font-size:14px;
  color:var(--ink-soft);
  text-decoration:none;
}
.foot-nav a:hover{color:var(--accent);text-decoration:underline;}
.foot-mail{margin:0 0 10px;font-size:15px;}
.foot-note{
  margin:0 auto;
  max-width:52ch;
  font-size:13px;
  line-height:1.6;
  color:var(--ink-soft);
}

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

@media (max-width:900px){
  :root{--rhythm:46px;--gutter:18px;}
  body{font-size:16px;}
  .shell{display:block;padding:0 18px;}
  .col-main,.col-wide,.col-full,.col-right,
  .hero h1,.hero-lede,.hero-meta,.rule-double,
  .folio,.figure-main,.figure-detail,.dark-text,.sep{
    grid-column:auto;
  }
  .site-head .shell{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;}
  .brand{font-size:17px;}
  .site-nav{width:100%;}
  .site-nav ul{justify-content:flex-start;gap:6px 18px;}
  .spine{display:none;}
  .hero h1{max-width:none;}
  .hero-lede{font-size:18px;}
  .rule-double{margin:20px 0 18px;}
  .figure-main{margin-top:30px;}
  .figure-detail{margin-top:26px;max-width:420px;}
  .sep{padding-top:28px;}
  .dropcap::first-letter{font-size:52px;}
  h3{margin-top:26px;}
}

@media (max-width:420px){
  .dropcap::first-letter{font-size:44px;padding-right:9px;}
}