/* Grebrantura — rail-scale */

:root{
  --bg:#faf7f0;
  --bg-alt:#dde2e4;
  --bg-dark:#1f4a4a;
  --ink:#14120f;
  --ink-2:#6c6659;
  --ink-inv:#faf7f0;
  --red:#d2402f;
  --ochre:#a97f18;
  --mono:ui-monospace,Consolas,'Liberation Mono',monospace;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --step:80px;
}

*{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:1.75;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}

a{color:var(--red);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
a:focus-visible,button:focus-visible{
  outline:2px solid var(--red);
  outline-offset:3px;
}

/* ---------- grid ---------- */
.wrap{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:24px;
}

/* служебная колонка / шкала */
.rail{
  grid-column:1 / span 2;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--ink-2);
  padding-top:6px;
}
.rail .num{color:var(--ochre);display:block;margin-bottom:10px}
.rail .lbl{display:block;line-height:1.5}
.rail .ticks{
  margin-top:14px;
  height:120px;
  width:100%;
  background-image:repeating-linear-gradient(to bottom,var(--ochre) 0 1px,transparent 1px 12px);
  opacity:.5;
}

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

/* ---------- header / nav ---------- */
.site-head{
  border-bottom:1px solid rgba(20,18,15,.15);
  padding:18px 0;
}
.site-head .inner{
  display:flex;
  flex-wrap:wrap;
  gap:14px 28px;
  align-items:baseline;
  justify-content:space-between;
}
.brand{
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.22em;
  font-size:14px;
  font-weight:700;
  color:var(--ink);
  text-decoration:none;
}
.brand:hover{color:var(--red)}
.site-nav ul{
  list-style:none;margin:0;padding:0;
  display:flex;flex-wrap:wrap;gap:8px 22px;
}
.site-nav a{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink);
  text-decoration:none;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
}
.site-nav a:hover,.site-nav a[aria-current="page"]{
  color:var(--red);
  border-bottom-color:var(--red);
}

/* ---------- sections ---------- */
section{padding:var(--step) 0}
.band-alt{background:var(--bg-alt)}
.band-dark{background:var(--bg-dark);color:var(--ink-inv)}
.band-dark a{color:#f0b8ae}
.band-dark .rail{color:#b8c7c7}
.band-dark .rail .num{color:#d8b45c}
.band-dark .rail .ticks{background-image:repeating-linear-gradient(to bottom,#d8b45c 0 1px,transparent 1px 12px)}
.band-dark .cap{color:#b8c7c7}
.band-dark h2,.band-dark h3{color:var(--ink-inv)}

/* ---------- typography ---------- */
h1,h2,h3,.kicker,.cap,.tag{
  font-family:var(--mono);
  text-transform:uppercase;
  font-weight:700;
}
h1{
  font-size:clamp(28px,4.2vw,50px);
  line-height:1.12;
  letter-spacing:.02em;
  margin:0 0 26px;
}
h1 .l2{display:block;color:var(--ink-2);font-weight:400}
h2{
  font-size:clamp(18px,2.1vw,24px);
  line-height:1.25;
  letter-spacing:.08em;
  margin:0 0 20px;
}
h3{
  font-size:15px;
  letter-spacing:.12em;
  margin:34px 0 10px;
  color:var(--ink);
}
p{margin:0 0 20px}
.lead{font-size:19px;line-height:1.7}
.cap{
  font-weight:400;
  text-transform:none;
  font-size:12px;
  letter-spacing:.06em;
  line-height:1.6;
  color:var(--ink-2);
}
.kicker{
  font-size:11px;letter-spacing:.2em;color:var(--ochre);
  margin:0 0 14px;
}

/* короткие вертикальные штрихи-разделители */
.marks{
  display:flex;gap:9px;margin:0 0 26px;
}
.marks span{display:block;width:1px;height:24px;background:var(--red);opacity:.85}
.marks.ochre span{background:var(--ochre)}
.band-dark .marks span{background:#e5735f}

/* ---------- hero ---------- */
.hero{padding-top:64px;padding-bottom:var(--step)}
.hero .rail{align-self:start}
.hero .rail .ticks{height:190px}
.hero-text{grid-column:3 / span 8}

/* ---------- main image ---------- */
.figure-main{padding-top:0}
.figure-main .cap-col{grid-column:1 / span 3;padding-top:4px}
.figure-main .img-col{grid-column:4 / span 9}
.figure-main img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- lists ---------- */
ul.plain,ol.plain{margin:0 0 22px;padding-left:0;list-style:none}
ul.plain li,ol.plain li{
  position:relative;padding-left:22px;margin-bottom:11px;
}
ul.plain li::before{
  content:"";position:absolute;left:0;top:11px;
  width:9px;height:1px;background:var(--red);
}
ol.plain{counter-reset:s}
ol.plain li{counter-increment:s;padding-left:34px}
ol.plain li::before{
  content:counter(s,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:var(--mono);font-size:12px;color:var(--ochre);letter-spacing:.06em;
}
.two-col{columns:2;column-gap:40px}
.two-col li{break-inside:avoid}

dl.specs{margin:0 0 22px}
dl.specs dt{
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ochre);margin-top:18px;
}
dl.specs dd{margin:5px 0 0}

/* ---------- detail figure inside dark band ---------- */
.detail-img{grid-column:3 / span 4}
.detail-img img{width:100%;aspect-ratio:4/5;object-fit:cover}
.detail-text{grid-column:8 / span 5}

/* ---------- about ---------- */
.about-rail{grid-column:1 / span 2;position:sticky;top:24px}

/* ---------- footer ---------- */
.site-foot{
  background:var(--bg);
  border-top:1px solid rgba(20,18,15,.2);
  padding:34px 0 40px;
}
.patch{
  display:flex;gap:16px 32px;align-items:baseline;
  justify-content:space-between;flex-wrap:wrap;
}
.patch .fname{
  font-family:var(--mono);text-transform:uppercase;
  letter-spacing:.22em;font-size:13px;font-weight:700;
}
.patch ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px 22px;margin:0;padding:0}
.patch ul a{
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink);text-decoration:none;
  border-bottom:1px solid rgba(20,18,15,.25);
}
.patch ul a:hover{color:var(--red);border-bottom-color:var(--red)}
.patch .fmail{font-family:var(--mono);font-size:12px;letter-spacing:.06em}
.foot-rule{height:1px;background:var(--ochre);opacity:.45;margin:22px 0 12px}
.foot-note{font-size:12px;line-height:1.7;color:var(--ink-2);margin:0}

/* ---------- responsive ---------- */
@media (max-width:900px){
  :root{--step:48px}
  body{font-size:16px}
  .grid{grid-template-columns:repeat(6,1fr);column-gap:16px}
  .rail,.about-rail{
    grid-column:1 / -1;position:static;
    display:flex;flex-wrap:wrap;gap:6px 14px;align-items:baseline;
    padding-top:0;margin-bottom:12px;
  }
  .rail .num{margin:0}
  .rail .ticks,.hero .rail .ticks{
    height:1px;width:60px;margin:0;align-self:center;
    background-image:repeating-linear-gradient(to right,var(--ochre) 0 1px,transparent 1px 7px);
  }
  .band-dark .rail .ticks{background-image:repeating-linear-gradient(to right,#d8b45c 0 1px,transparent 1px 7px)}
  .body-col,.list-col,.hero-text,
  .detail-img,.detail-text,
  .figure-main .cap-col,.figure-main .img-col,
  .about-col{grid-column:1 / -1}
  .figure-main .cap-col{order:2;margin-top:12px}
  .figure-main .img-col{order:1}
  .two-col{columns:1}
  .site-head .inner{display:block}
  .site-nav{margin-top:12px}
  .patch{display:block}
  .patch ul{margin:14px 0}
}
.about-col{grid-column:3 / span 7}