/* Broluskani — rail-scale */

:root{
  --bg:#f2ebe0;
  --bg-alt:#e7d9c6;
  --bg-dark:#4a2c1e;
  --ink:#241a14;
  --ink-soft:#6e5b4c;
  --ink-invert:#f2ebe0;
  --accent:#c05a2b;
  --accent2:#6b7a5a;
  --step:80px;
  --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:1.72;
  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{text-decoration-thickness:2px;}

a:focus-visible,
:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}

/* ---------- grid ---------- */

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:0 24px;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}

.rail{
  grid-column:1 / span 2;
  border-right:1px solid rgba(110,91,76,.28);
  padding-right:16px;
}

.rail-mark{
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent2);
  display:block;
  margin-bottom:14px;
}

.rail-num{
  font-family:var(--serif);
  font-size:20px;
  color:var(--accent);
  display:block;
  line-height:1;
  margin-bottom:12px;
}

/* CSS-only tick scale */
.ticks{
  height:190px;
  background-image:repeating-linear-gradient(
    to bottom,
    rgba(110,91,76,.45) 0,
    rgba(110,91,76,.45) 1px,
    transparent 1px,
    transparent 14px
  );
  width:34px;
}
.ticks.short{height:96px;}

.body-col{grid-column:3 / span 7;}
.wide-col{grid-column:3 / span 9;}

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

.site-header{
  border-bottom:1px solid rgba(110,91,76,.28);
  padding:22px 0 20px;
}
.header-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:10px 28px;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}
.brand{
  font-family:var(--serif);
  font-size:22px;
  letter-spacing:.01em;
  color:var(--ink);
  text-decoration:none;
}
.brand span{
  display:block;
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent2);
  margin-top:2px;
}
.site-nav ul{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
  margin:0;
  padding:0;
}
.site-nav a{
  font-size:14px;
  letter-spacing:.06em;
  color:var(--ink);
  text-decoration:none;
  padding-bottom:3px;
  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:var(--step) 0 0;}
.hero h1{
  grid-column:3 / span 6;
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.16;
  margin:0 0 22px;
  max-width:16ch;
}
.hero p{
  grid-column:3 / span 6;
  margin:0;
  color:var(--ink-soft);
  font-size:18px;
}
.hero p + p{margin-top:14px;}

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

section{padding:var(--step) 0;}
section + section{padding-top:0;}

.band{background:var(--bg-alt);margin-top:var(--step);}
.band + section{padding-top:var(--step);}

.dark{
  background:var(--bg-dark);
  color:var(--ink-invert);
  margin-top:var(--step);
}
.dark h2,.dark h3{color:var(--ink-invert);}
.dark .rail{border-right-color:rgba(242,235,224,.3);}
.dark .rail-mark{color:#b9c3a6;}
.dark .rail-num{color:#e0a37c;}
.dark .ticks{
  background-image:repeating-linear-gradient(
    to bottom,
    rgba(242,235,224,.45) 0,
    rgba(242,235,224,.45) 1px,
    transparent 1px,
    transparent 14px);
}
.dark a{color:#e8a172;}
.dark .caption{color:#c8b5a3;}
.dark + section{padding-top:var(--step);}

h2{
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(24px,2.7vw,31px);
  line-height:1.25;
  margin:0 0 18px;
}
h3{
  font-family:var(--serif);
  font-weight:400;
  font-style:italic;
  font-size:20px;
  margin:34px 0 10px;
}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}

.lead{font-size:18px;}

/* separators: tick strokes */
.strokes{
  display:flex;
  gap:9px;
  margin:34px 0;
}
.strokes::before{
  content:"";
  display:block;
  height:24px;
  width:100%;
  background-image:repeating-linear-gradient(
    to right,
    var(--accent2) 0,
    var(--accent2) 1px,
    transparent 1px,
    transparent 12px);
  opacity:.7;
}
.dark .strokes::before{background-image:repeating-linear-gradient(to right,#b9c3a6 0,#b9c3a6 1px,transparent 1px,transparent 12px);}

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

ul.checklist,ol.steps{
  grid-column:3 / span 9;
  margin:0;
  padding:0;
  columns:2;
  column-gap:40px;
  list-style:none;
}
ol.steps{counter-reset:st;}
ul.checklist li,ol.steps li{
  break-inside:avoid;
  position:relative;
  padding-left:26px;
  margin:0 0 14px;
}
ul.checklist li::before{
  content:"";
  position:absolute;
  left:0;top:12px;
  width:12px;height:1px;
  background:var(--accent);
}
ol.steps li::before{
  counter-increment:st;
  content:counter(st,decimal-leading-zero);
  position:absolute;
  left:0;top:0;
  font-family:var(--serif);
  font-size:14px;
  color:var(--accent);
}
.one-col{columns:1;}

dl.gloss{
  grid-column:3 / span 7;
  margin:0;
}
dl.gloss dt{
  font-family:var(--serif);
  font-style:italic;
  font-size:19px;
  margin-top:26px;
}
dl.gloss dd{margin:6px 0 0;}

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

.figure-main{
  padding-top:var(--step);
}
.figure-main figure{
  grid-column:4 / span 9;
  margin:0;
}
.figure-main img{width:100%;}
.caption{
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin-top:12px;
  line-height:1.6;
}
.figure-main .caption-side{
  grid-column:1 / span 3;
  align-self:end;
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--ink-soft);
  line-height:1.7;
  padding-bottom:2px;
}

.detail-figure{
  grid-column:3 / span 4;
  margin:0;
}
.detail-figure img{width:100%;}
.detail-text{grid-column:8 / span 5;}

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

.about-rail{
  grid-column:1 / span 2;
  border-right:1px solid rgba(110,91,76,.28);
  padding-right:16px;
  position:sticky;
  top:32px;
  align-self:start;
}
.about-rail ul{list-style:none;margin:0;padding:0;}
.about-rail li{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent2);
  margin-bottom:10px;
}

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

.site-footer{
  margin-top:var(--step);
  border-top:1px solid rgba(110,91,76,.35);
  padding:26px 0 34px;
}
.footer-bay{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:12px 28px;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}
.footer-bay .f-name{font-family:var(--serif);font-size:19px;}
.footer-bay nav ul{
  list-style:none;display:flex;flex-wrap:wrap;gap:6px 20px;margin:0;padding:0;
}
.footer-bay nav a{font-size:14px;color:var(--ink);text-decoration:none;border-bottom:1px solid rgba(192,90,43,.5);}
.footer-bay nav a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.footer-note{
  max-width:1240px;
  margin:18px auto 0;
  padding:14px 32px 0;
  border-top:1px solid rgba(110,91,76,.22);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--ink-soft);
}

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

@media (max-width:900px){
  :root{--step:48px;}
  body{font-size:16px;}
  .grid{padding:0 20px;gap:0 16px;}
  .header-inner,.footer-bay{padding:0 20px;}
  .footer-note{padding:14px 20px 0;}
  .rail,.about-rail{
    grid-column:1 / -1;
    border-right:0;
    padding-right:0;
    position:static;
    margin-bottom:14px;
  }
  .ticks,.ticks.short{
    height:1px;
    width:100%;
    background-image:repeating-linear-gradient(to right,rgba(110,91,76,.5) 0,rgba(110,91,76,.5) 1px,transparent 1px,transparent 12px);
  }
  .dark .ticks{background-image:repeating-linear-gradient(to right,rgba(242,235,224,.5) 0,rgba(242,235,224,.5) 1px,transparent 1px,transparent 12px);}
  .rail-num{display:inline;margin-right:10px;}
  .rail-mark{display:inline;margin-bottom:0;}
  .about-rail ul{display:flex;flex-wrap:wrap;gap:4px 16px;}
  .body-col,.wide-col,.hero h1,.hero p,
  ul.checklist,ol.steps,dl.gloss,
  .figure-main figure,.figure-main .caption-side,
  .detail-figure,.detail-text{grid-column:1 / -1;}
  .hero h1{max-width:none;}
  ul.checklist,ol.steps{columns:1;}
  .figure-main .caption-side{margin-bottom:12px;}
  .detail-text{margin-top:20px;}
  .footer-bay{flex-direction:column;align-items:flex-start;}
}