/* Sordevanuki — specimen sheet */

:root{
  --bg:#101a24;
  --bg-alt:#16232f;
  --bg-contrast:#e9edf0;
  --ink:#e3e9ee;
  --ink-dim:#8b9aa6;
  --ink-dark:#101a24;
  --accent:#3fb3ae;
  --sand:#d8a15a;
  --rule:rgba(139,154,166,.34);
  --rule-dark:rgba(16,26,36,.26);
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --gap:88px;
  --pad:40px;
}

*,*::before,*::after{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:1.72;
  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{color:#63c8c3}
a:focus-visible,:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ---------- shell ---------- */

.shell{
  max-width:1180px;
  margin:0 auto;
  padding:28px 20px 0;
}

.sheet{
  border:1px solid var(--rule);
  background:var(--bg-alt);
  padding:var(--pad);
}

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:28px;
}

/* ---------- masthead ---------- */

.masthead{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:14px 28px;
  padding:0 0 18px;
  border-bottom:1px solid var(--rule);
  margin-bottom:26px;
}

.wordmark{
  font-family:var(--serif);
  font-size:22px;
  letter-spacing:.01em;
  color:var(--ink);
  text-decoration:none;
}
.wordmark:hover{color:var(--accent)}

.masthead nav ul{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:8px 22px;
  margin:0;
  padding:0;
}
.masthead nav a{
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--ink-dim);
  text-decoration:none;
  padding:4px 0;
  border-bottom:1px solid transparent;
}
.masthead nav a:hover,
.masthead nav a[aria-current="page"]{
  color:var(--ink);
  border-bottom-color:var(--accent);
}

/* ---------- labels ---------- */

.label{
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--sand);
  margin:0 0 12px;
  display:block;
}

.num{
  font-size:12px;
  letter-spacing:.18em;
  color:var(--sand);
}

/* ---------- headings ---------- */

h1,h2,h3{font-family:var(--serif);font-weight:400;color:var(--ink)}

h1{
  font-size:clamp(31px,4.4vw,52px);
  line-height:1.16;
  margin:0 0 10px;
  letter-spacing:-.005em;
}

h2{
  font-size:clamp(24px,2.7vw,32px);
  line-height:1.25;
  margin:0 0 16px;
}

h3{
  font-family:var(--serif);
  font-style:italic;
  font-size:20px;
  line-height:1.4;
  margin:32px 0 10px;
}

p{margin:0 0 18px}
p:last-child{margin-bottom:0}

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

.hero{padding-bottom:6px}

.hero-head{align-items:start;margin-bottom:36px}
.hero-title{grid-column:1/9}
.hero-title .lede{
  color:var(--ink-dim);
  font-size:18px;
  max-width:44em;
  margin-top:14px;
}

.spec{
  grid-column:9/13;
  border:1px solid var(--rule);
  padding:16px 18px;
  font-size:14px;
  line-height:1.6;
}
.spec dl{margin:0}
.spec div{
  display:flex;
  gap:12px;
  justify-content:space-between;
  padding:7px 0;
  border-bottom:1px dotted var(--rule);
}
.spec div:last-child{border-bottom:0;padding-bottom:0}
.spec dt{
  color:var(--sand);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  white-space:nowrap;
  padding-top:3px;
}
.spec dd{margin:0;color:var(--ink-dim);text-align:right}

.hero-body{align-items:start}
figure.plate{margin:0;grid-column:1/6}
figure.plate img{border:1px solid var(--rule)}
figure.plate figcaption,
.caption{
  font-size:13px;
  line-height:1.55;
  color:var(--ink-dim);
  margin-top:10px;
}
.hero-body .intro{grid-column:6/13}

/* ---------- rule with serifs ---------- */

.sep{
  position:relative;
  height:1px;
  background:var(--rule);
  border:0;
  margin:var(--gap) 0;
}
.sep::before,.sep::after{
  content:"";
  position:absolute;
  top:-4px;
  width:1px;
  height:9px;
  background:var(--sand);
}
.sep::before{left:0}
.sep::after{right:0}

.sep-note{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:28px;
  margin:var(--gap) 0;
  align-items:start;
}
.sep-note .line{
  grid-column:1/9;
  position:relative;
  height:1px;
  background:var(--rule);
  margin-top:16px;
}
.sep-note .line::before,.sep-note .line::after{
  content:"";position:absolute;top:-4px;width:1px;height:9px;background:var(--sand);
}
.sep-note .line::before{left:0}
.sep-note .line::after{right:0}
.sep-note .aside{
  grid-column:9/13;
  border:1px solid var(--rule);
  padding:14px 16px;
  font-size:13.5px;
  line-height:1.6;
  color:var(--ink-dim);
}
.sep-note .aside strong{
  display:block;
  color:var(--sand);
  font-weight:400;
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  margin-bottom:6px;
}

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

section{margin:var(--gap) 0}
section:first-of-type{margin-top:0}

.block{align-items:start}
.block .text{grid-column:1/8}
.block .side{grid-column:9/13}
.block.wide .text{grid-column:1/10}

.side-table{
  border:1px solid var(--rule);
  padding:15px 17px;
  font-size:14px;
  line-height:1.62;
  color:var(--ink-dim);
}
.side-table + .side-table{margin-top:20px}
.side-table h3{
  font-family:var(--sans);
  font-style:normal;
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--sand);
  margin:0 0 10px;
}
.side-table ul{margin:0;padding:0;list-style:none}
.side-table li{
  padding:6px 0;
  border-bottom:1px dotted var(--rule);
}
.side-table li:last-child{border-bottom:0;padding-bottom:0}

ul.checks{list-style:none;margin:0 0 18px;padding:0}
ul.checks li{
  position:relative;
  padding:0 0 10px 24px;
}
ul.checks li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:9px;height:1px;
  background:var(--accent);
}

ol.steps{
  list-style:none;
  counter-reset:s;
  margin:0 0 18px;
  padding:0;
}
ol.steps li{
  counter-increment:s;
  position:relative;
  padding:0 0 14px 42px;
}
ol.steps li::before{
  content:counter(s,decimal-leading-zero);
  position:absolute;
  left:0;top:3px;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--sand);
}

/* ---------- contrast section ---------- */

.contrast{
  background:var(--bg-contrast);
  color:var(--ink-dark);
  border:1px solid var(--rule);
  padding:var(--pad);
  margin:var(--gap) 0;
}
.contrast h2,.contrast h3{color:var(--ink-dark)}
.contrast .label,.contrast .num{color:#8a6224}
.contrast a{color:#1c7d79}
.contrast a:hover{color:#146360}
.contrast .caption,
.contrast figcaption{color:#4d5c68}
.contrast figure.plate img{border-color:var(--rule-dark)}
.contrast .side-table{border-color:var(--rule-dark);color:#3b4954}
.contrast .side-table h3{color:#8a6224}
.contrast .side-table li{border-bottom-color:var(--rule-dark)}
.contrast ul.checks li::before{background:#1c7d79}
.contrast :focus-visible{outline-color:#1c7d79}

.contrast-grid{align-items:start}
.contrast-grid figure.plate{grid-column:8/13}
.contrast-grid .text{grid-column:1/7}

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

.about-grid{align-items:start}
.about-grid .text{grid-column:1/8}
.about-grid .cards{grid-column:9/13}

/* ---------- legal ---------- */

.doc{max-width:none}
.doc .text{grid-column:1/9}
.doc .side{grid-column:10/13}

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

.site-footer{
  max-width:1180px;
  margin:64px auto 0;
  padding:0 20px 56px;
}
.footer-inner{
  border-top:1px solid var(--rule);
  padding-top:22px;
}
.footer-top{
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  justify-content:space-between;
  align-items:baseline;
}
.footer-top .name{font-family:var(--serif);font-size:19px}
.footer-line{
  height:1px;
  background:var(--rule);
  margin:18px 0;
}
.footer-nav ul{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
  margin:0 0 14px;
  padding:0;
}
.footer-nav a{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-dim);
  text-decoration:none;
}
.footer-nav a:hover{color:var(--accent)}
.footer-note{
  font-size:13.5px;
  line-height:1.6;
  color:var(--ink-dim);
  max-width:62ch;
  margin:0;
}

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

@media (max-width:900px){
  :root{--gap:60px;--pad:26px}
  .hero-title,.spec,
  .hero-body .intro,figure.plate,
  .block .text,.block .side,.block.wide .text,
  .contrast-grid figure.plate,.contrast-grid .text,
  .about-grid .text,.about-grid .cards,
  .doc .text,.doc .side,
  .sep-note .line,.sep-note .aside{grid-column:1/13}
  .grid{gap:22px}
  .spec{margin-top:4px}
  .sep-note{gap:18px}
  .sep-note .line{margin-top:0}
  .contrast-grid figure.plate{order:2}
  .contrast-grid .text{order:1}
  figure.plate img{width:100%}
}

@media (max-width:600px){
  :root{--gap:52px;--pad:20px}
  body{font-size:16.5px}
  .shell{padding:18px 14px 0}
  .site-footer{padding:0 14px 44px;margin-top:44px}
  .masthead nav ul{gap:6px 16px}
  .spec div{flex-direction:column;gap:2px}
  .spec dd{text-align:left}
  h3{margin-top:26px}
}