/* Sundavolike — draft-margin */

:root{
  --paper:#f7f3ea;
  --paper-alt:#eae4d8;
  --dark:#43221f;
  --ink:#241b16;
  --muted:#786b5d;
  --accent:#8a2c25;
  --gold:#8a6a24;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}

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

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

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:18px;
  line-height:1.9;
  overflow-x:hidden;
}

img,svg{max-width:100%;}
img{height:auto;}

a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px;}
a:hover{text-decoration:none;}
a:focus-visible,:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}

/* ---------- layout ---------- */

.wrap{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 26px;
}

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

.c7{grid-column:1 / span 7;}
.c9{grid-column:1 / span 9;}
.c8{grid-column:1 / span 8;}
.c6{grid-column:1 / span 6;}
.c5{grid-column:1 / span 5;}

.s-a{padding:72px 0;}
.s-b{padding:88px 0;}
.s-c{padding:104px 0;}
.alt{background:var(--paper-alt);}
.contrast{background:var(--dark);color:var(--paper);}
.contrast h2,.contrast h3{color:var(--paper);}
.contrast .note{color:#d8c9b6;}
.contrast a{color:#e8c98a;}

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

h1,h2,h3{
  font-family:var(--serif);
  font-weight:400;
  line-height:1.3;
  margin:0 0 18px;
  letter-spacing:.005em;
}

h1{font-size:2.45rem;}
h2{font-size:1.72rem;margin-bottom:14px;}
h3{font-size:1.2rem;margin:34px 0 10px;}

p{margin:0 0 26px;max-width:74ch;}
p:last-child{margin-bottom:0;}

.note{
  font-size:14px;
  line-height:1.7;
  color:var(--muted);
}

.marker{
  font-family:var(--serif);
  font-size:14px;
  letter-spacing:.14em;
  color:var(--gold);
  display:block;
  margin-bottom:10px;
}

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

.site-head{
  border-bottom:1px solid rgba(120,107,93,.35);
  padding:20px 0 18px;
}
.head-row{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:12px 30px;
}
.brand{
  font-family:var(--serif);
  font-size:1.32rem;
  color:var(--ink);
  text-decoration:none;
  letter-spacing:.02em;
}
.brand:hover{color:var(--accent);}
.site-nav ul{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:8px 26px;
  margin:0;
  padding:0;
}
.site-nav a{
  font-size:15px;
  color:var(--ink);
  text-decoration:none;
  padding-bottom:3px;
  border-bottom:1px solid transparent;
}
.site-nav a:hover{border-bottom-color:var(--accent);color:var(--accent);}
.site-nav a[aria-current="page"]{border-bottom-color:var(--gold);}

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

.hero{padding:78px 0 20px;}
.hero-inner{
  position:relative;
  padding-left:26px;
  border-left:1px solid var(--gold);
}
.hero-inner::before,
.hero-inner::after{
  content:"";
  position:absolute;
  left:-7px;
  width:15px;
  height:1px;
  background:var(--gold);
}
.hero-inner::before{top:0;}
.hero-inner::after{bottom:0;}

.hero h1{
  grid-column:1 / span 8;
  font-size:clamp(2rem,4.4vw,3.05rem);
  margin-bottom:34px;
}
.hero h1 .l2{
  display:block;
  margin-left:8.33%;
}

.dimline{
  grid-column:1 / span 9;
  display:flex;
  align-items:center;
  gap:16px;
  margin-bottom:34px;
  color:var(--gold);
}
.dimline span{
  flex:0 0 auto;
  font-size:14px;
  letter-spacing:.06em;
}
.dimline i{
  flex:1 1 auto;
  height:1px;
  background:var(--gold);
  position:relative;
}
.dimline i::before,.dimline i::after{
  content:"";
  position:absolute;
  top:-4px;
  width:1px;
  height:9px;
  background:var(--gold);
}
.dimline i::before{left:0;}
.dimline i::after{right:0;}

.hero-intro{grid-column:1 / span 6;}

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

.figblock{
  align-items:start;
  margin-top:20px;
}
.figblock figure{
  grid-column:1 / span 7;
  margin:0;
  position:relative;
}
.plate{
  width:100%;
  aspect-ratio:5 / 4;
  display:block;
  background:#efe8db;
  border:1px solid rgba(120,107,93,.45);
}
.figside{
  grid-column:9 / span 4;
  position:relative;
  padding-top:16px;
}
.figside::before{
  content:"";
  position:absolute;
  top:26px;
  left:-16.5%;
  width:16.5%;
  height:1px;
  background:var(--gold);
}
.figside p{font-size:14px;line-height:1.7;color:var(--muted);}

.detail-fig{
  grid-column:2 / span 4;
  margin:0;
}
.detail-fig .plate{
  aspect-ratio:4 / 5;
  background:#3a1d1a;
  border-color:rgba(247,243,234,.3);
}
.detail-fig figcaption{
  margin-top:12px;
  font-size:14px;
  line-height:1.7;
  color:#d8c9b6;
}
.detail-text{grid-column:7 / span 6;}

/* ---------- separators & lists ---------- */

.sep{margin:0;border:0;padding:0;}
.sep::before{
  content:"";
  display:block;
  height:1px;
  background:rgba(120,107,93,.4);
}
.sep::after{
  content:"";
  display:block;
  width:16.66%;
  height:3px;
  margin-top:5px;
  background:var(--accent);
}
.contrast .sep::before{background:rgba(247,243,234,.35);}
.contrast .sep::after{background:#e8c98a;}

ul.checklist,ul.plain{
  list-style:none;
  margin:0 0 26px;
  padding:0;
  max-width:70ch;
}
ul.checklist li,ul.plain li{
  position:relative;
  padding-left:26px;
  margin-bottom:12px;
}
ul.checklist li::before{
  content:"";
  position:absolute;
  left:0;
  top:.82em;
  width:12px;
  height:2px;
  background:var(--accent);
}
ul.plain li::before{
  content:"";
  position:absolute;
  left:0;
  top:.78em;
  width:6px;
  height:6px;
  border:1px solid var(--gold);
}
.contrast ul.checklist li::before{background:#e8c98a;}

ol.steps{
  padding-left:0;
  list-style:none;
  counter-reset:st;
  max-width:70ch;
  margin:0 0 26px;
}
ol.steps li{
  counter-increment:st;
  position:relative;
  padding-left:40px;
  margin-bottom:14px;
}
ol.steps li::before{
  content:counter(st,decimal-leading-zero);
  position:absolute;
  left:0;
  top:.1em;
  font-family:var(--serif);
  font-size:14px;
  color:var(--gold);
}

dl.terms{margin:0;max-width:70ch;}
dl.terms dt{
  font-family:var(--serif);
  font-size:1.05rem;
  margin-top:22px;
}
dl.terms dd{margin:4px 0 0;}

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

.about-body{
  grid-column:1 / span 7;
  border-left:1px solid var(--muted);
  padding-left:28px;
  position:relative;
}
.about-body section{position:relative;padding-top:6px;}
.about-body section + section{margin-top:46px;}
.about-body section::before{
  content:"";
  position:absolute;
  left:-28px;
  top:16px;
  width:16px;
  height:1px;
  background:var(--accent);
}

/* ---------- text pages ---------- */

.doc{grid-column:1 / span 9;}
.doc h2{margin-top:44px;}
.doc h2:first-of-type{margin-top:24px;}

.page-head{padding:56px 0 8px;}
.page-head h1{grid-column:1 / span 9;font-size:clamp(1.8rem,3.6vw,2.5rem);}
.page-head p{grid-column:1 / span 6;}

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

.site-foot{
  background:var(--paper-alt);
  padding:56px 0 26px;
  border-top:1px solid rgba(120,107,93,.5);
}
.foot-top{
  border-top:3px solid var(--accent);
  padding-top:34px;
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:28px;
  row-gap:34px;
}
.foot-brand{grid-column:1 / span 5;}
.foot-brand p{font-size:15px;line-height:1.8;color:var(--muted);max-width:38ch;}
.foot-name{
  font-family:var(--serif);
  font-size:1.6rem;
  display:block;
  margin-bottom:12px;
}
.foot-col{grid-column:span 3;}
.foot-col:nth-of-type(2){grid-column:8 / span 2;}
.foot-col:nth-of-type(3){grid-column:10 / span 3;}
.foot-col h2{
  font-family:var(--sans);
  font-size:13px;
  letter-spacing:.12em;
  color:var(--gold);
  margin-bottom:14px;
}
.foot-col ul{list-style:none;margin:0;padding:0;}
.foot-col li{margin-bottom:8px;font-size:15px;}
.foot-col a{color:var(--ink);text-decoration:none;border-bottom:1px solid rgba(138,44,37,.4);}
.foot-col a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.foot-bottom{
  margin-top:40px;
  padding-top:16px;
  border-top:1px solid rgba(120,107,93,.45);
  font-size:14px;
  color:var(--muted);
}

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

@media (max-width:900px){
  .grid{column-gap:20px;}
  .c7,.c9,.c8,.c6,.c5,
  .hero h1,.dimline,.hero-intro,.doc,.about-body,
  .figblock figure,.figside,.detail-fig,.detail-text,
  .page-head h1,.page-head p{grid-column:1 / span 12;}
  .figside{padding-top:14px;}
  .figside::before{display:none;}
  .detail-fig{max-width:340px;margin-bottom:28px;}
  .foot-brand,.foot-col,
  .foot-col:nth-of-type(2),.foot-col:nth-of-type(3){grid-column:1 / span 12;}
}

@media (max-width:620px){
  body{font-size:17px;line-height:1.82;}
  .wrap{padding:0 20px;}
  .s-a,.s-b,.s-c{padding:48px 0;}
  .hero{padding:44px 0 12px;}
  .hero-inner{padding-left:18px;}
  .hero h1 .l2{margin-left:0;}
  h2{font-size:1.45rem;}
  .site-nav ul{gap:6px 18px;}
  .sep::after{width:38%;}
  .dimline span{font-size:13px;}
}