/* Zuleroma — mirror-axis: slonovina, kaštan, jantarový lak */

:root{
  --bg:#f6f0e6;
  --bg-alt:#eadcc6;
  --bg-dark:#4a2b1b;
  --ink:#2c1f15;
  --ink-soft:#7c6a55;
  --ink-invert:#f6f0e6;
  --accent:#a9631d;
  --accent2:#2a3f63;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --gut: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:1.8;
  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:1120px;
  margin:0 auto;
  padding:0 20px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:0 var(--gut);
}

.axis{position:relative;}
.axis::before{
  content:"";
  position:absolute;
  top:0;bottom:0;left:50%;
  width:1px;
  background:linear-gradient(to bottom,rgba(169,99,29,0),var(--accent) 12%,var(--accent) 88%,rgba(169,99,29,0));
  opacity:.55;
}

/* ---------- typography ---------- */

h1,h2,h3{font-family:var(--serif);font-weight:400;color:var(--ink);}
h1{font-size:52px;line-height:1.14;letter-spacing:-.01em;margin:0 0 28px;}
h2{font-size:27px;line-height:1.3;margin:0 0 18px;}
h3{font-size:19px;line-height:1.4;margin:0 0 10px;}
p{margin:0 0 20px;}

.cap,figcaption{
  font-size:12px;
  line-height:1.6;
  color:var(--ink-soft);
  letter-spacing:.05em;
}

.num{
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent2);
  display:block;
  margin-bottom:14px;
}

.lead{font-size:19px;line-height:1.75;}

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

.site-head{
  border-bottom:1px solid rgba(44,31,21,.14);
  background:var(--bg);
}
.site-head .wrap{
  padding-top:20px;
  padding-bottom:20px;
  text-align:center;
}
.brand{
  font-family:var(--serif);
  font-size:23px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--ink);
  text-decoration:none;
  display:inline-block;
}
.brand:hover{color:var(--accent);}

.nav{margin-top:12px;}
.nav ul{
  list-style:none;
  margin:0;padding:0;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:6px 0;
}
.nav li+li::before{
  content:"·";
  color:var(--ink-soft);
  padding:0 12px;
}
.nav a{
  font-size:14px;
  letter-spacing:.07em;
  color:var(--ink);
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.nav a:hover,.nav a[aria-current="page"]{
  color:var(--accent);
  border-bottom-color:var(--accent);
}

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

section{padding:64px 0;}
.s-80{padding:80px 0;}
.s-96{padding:96px 0;}
.tone{background:var(--bg-alt);}
.dark{background:var(--bg-dark);color:var(--ink-invert);}
.dark h2,.dark h3{color:var(--ink-invert);}
.dark .num{color:#c9a97e;}
.dark .cap,.dark figcaption{color:#c9b79d;}
.dark a{color:#e0a75d;}
.dark a:focus-visible{outline-color:#e0a75d;}

/* arc separator */
.arc{
  grid-column:5 / 9;
  height:34px;
  border-top:1px solid var(--accent);
  border-radius:120px 120px 0 0;
  opacity:.6;
  margin:0 auto 42px;
  width:100%;
}
.arc-dark{border-top-color:#c9a97e;}

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

.hero{padding:80px 0 64px;}
.hero .grid{align-items:start;row-gap:34px;}
.hero-title{
  grid-column:2 / 12;
  text-align:center;
}
.hero-title h1{max-width:15ch;margin-left:auto;margin-right:auto;}
.hero-lead{
  grid-column:4 / 10;
  text-align:center;
}
.hero-side{
  font-size:15px;
  line-height:1.75;
  color:var(--ink-soft);
}
.hero-side p{margin:0;}
.hero-l{grid-column:2 / 5;text-align:right;}
.hero-r{grid-column:9 / 12;text-align:left;}
.hero-side strong{
  display:block;
  font-family:var(--serif);
  font-size:16px;
  font-weight:400;
  color:var(--ink);
  margin-bottom:6px;
}

/* ---------- main figure ---------- */

.fig-main{
  margin:0 auto;
  max-width:680px;
  text-align:center;
}
.fig-main img{
  width:100%;
  border:1px solid rgba(44,31,21,.18);
}
.fig-main figcaption{margin-top:14px;text-align:center;}

/* ---------- content blocks ---------- */

.block-center{grid-column:4 / 10;}
.block-narrative{grid-column:1 / 8;}
.block-full{grid-column:1 / 13;}
.pair-l{grid-column:2 / 6;}
.pair-r{grid-column:8 / 12;}

.head-center{grid-column:1 / 13;text-align:center;margin-bottom:34px;}
.head-center h2{margin-bottom:12px;}
.head-center p{
  max-width:60ch;
  margin:0 auto;
  color:var(--ink-soft);
  font-size:16px;
}

.list{list-style:none;margin:0 0 20px;padding:0;}
.list li{
  position:relative;
  padding-left:24px;
  margin-bottom:12px;
}
.list li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:9px;height:1px;
  background:var(--accent);
}
.dark .list li::before{background:#e0a75d;}

.list-num{
  list-style:none;
  counter-reset:st;
  margin:0 0 20px;padding:0;
}
.list-num li{
  counter-increment:st;
  position:relative;
  padding-left:40px;
  margin-bottom:16px;
}
.list-num li::before{
  content:counter(st,decimal-leading-zero);
  position:absolute;left:0;top:.1em;
  font-size:12px;
  letter-spacing:.1em;
  color:var(--accent2);
}

dl.terms{margin:0;}
dl.terms dt{
  font-family:var(--serif);
  font-size:18px;
  margin-bottom:6px;
}
dl.terms dd{
  margin:0 0 22px;
  color:var(--ink);
}

/* dark detail section */
.detail-fig{
  grid-column:2 / 6;
  margin:0;
}
.detail-fig img{width:100%;border:1px solid rgba(246,240,230,.22);}
.detail-fig figcaption{margin-top:12px;}
.detail-text{grid-column:7 / 12;}

/* legal / article pages */
.page-head{padding:72px 0 8px;text-align:center;}
.page-head h1{font-size:42px;max-width:20ch;margin-left:auto;margin-right:auto;}
.page-head p{
  max-width:58ch;margin:0 auto;
  color:var(--ink-soft);
  font-size:16px;
}
.prose{grid-column:4 / 10;}
.prose h2{margin-top:38px;}
.prose h2:first-child{margin-top:0;}
.prose h3{margin-top:26px;}

.about-pair{margin-top:14px;}
.about-pair .box{
  border-top:1px solid var(--accent);
  padding-top:16px;
}
.about-pair .box h3{margin-top:0;}
.about-pair .box p{margin-bottom:0;font-size:16px;}

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

.site-foot{
  background:var(--bg);
  border-top:1px solid rgba(44,31,21,.14);
  padding:56px 0 48px;
  text-align:center;
}
.site-foot .arc{margin-bottom:28px;max-width:360px;}
.foot-brand{
  font-family:var(--serif);
  font-size:20px;
  letter-spacing:.16em;
  text-transform:uppercase;
  margin:0 0 18px;
}
.foot-nav ul{
  list-style:none;margin:0 0 20px;padding:0;
  display:flex;flex-wrap:wrap;justify-content:center;gap:6px 0;
}
.foot-nav li+li::before{content:"·";color:var(--ink-soft);padding:0 12px;}
.foot-nav a{font-size:14px;color:var(--ink);text-decoration:none;border-bottom:1px solid transparent;}
.foot-nav a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.foot-mail{margin:0 0 10px;font-size:16px;}
.foot-note{
  margin:0 auto;
  max-width:56ch;
  font-size:12px;
  line-height:1.7;
  color:var(--ink-soft);
}

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

@media (max-width:900px){
  h1{font-size:40px;}
  .page-head h1{font-size:34px;}
  h2{font-size:24px;}
  .hero-title,.hero-lead,.block-center,.prose{grid-column:2 / 12;}
  .block-narrative{grid-column:1 / 11;}
  .pair-l{grid-column:1 / 7;}
  .pair-r{grid-column:7 / 13;}
  .detail-fig{grid-column:1 / 6;}
  .detail-text{grid-column:6 / 13;}
  .arc{grid-column:4 / 10;}
}

@media (max-width:640px){
  body{font-size:16px;}
  h1{font-size:31px;}
  .page-head h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .lead{font-size:17px;}
  section{padding:48px 0;}
  .s-80,.s-96{padding:56px 0;}
  .hero{padding:40px 0 48px;}
  .page-head{padding:44px 0 4px;}
  .axis::before{display:none;}
  .grid{grid-template-columns:1fr;gap:0;}
  .hero .grid{row-gap:26px;}
  .hero-title,.hero-lead,.hero-l,.hero-r,
  .block-center,.block-narrative,.block-full,
  .pair-l,.pair-r,.head-center,
  .detail-fig,.detail-text,.prose,.arc{grid-column:1;}
  .hero-l,.hero-r{text-align:left;}
  .hero-l,.hero-r{
    border-top:1px solid rgba(169,99,29,.45);
    padding-top:14px;
  }
  .detail-fig{margin-bottom:28px;}
  .arc{width:70%;height:26px;margin-bottom:32px;}
  .pair-r{margin-top:22px;}
  .nav li+li::before,.foot-nav li+li::before{padding:0 8px;}
}