:root {
  --bg: #101614;
  --sheet: #1a2420;
  --ink: #e6f3ee;
  --dim: #9db5ad;
  --glass: #7dcec0;
  --hot: #e7a15a;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body {
  font-family: Palatino, "Palatino Linotype", Georgia, serif;
  display: grid;
  grid-template-columns: 104px 1fr;
  min-height: 100vh;
}
.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid #24312c;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 22px 0 28px;
  background: #0c1210;
}
.mark svg { width: 48px; height: 48px; display: block; }
.vert {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--glass);
  margin: 22px 0 0;
}
.rail nav {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}
.rail a { color: var(--dim); text-decoration: none; font-size: 14px; }
.rail a.on { color: var(--hot); }
main { padding: 56px 8vw 72px; max-width: 1040px; }
.overlap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: end;
}
.overlap img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: 2px 70px 2px 2px;
  margin: 0 0 -48px;
}
h1 {
  font-weight: 500;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.12;
  margin: 0 0 14px;
}
.lead { font-size: 18px; line-height: 1.6; margin: 0 0 14px; color: #d7ebe4; }
.specs {
  display: flex;
  gap: 32px;
  list-style: none;
  padding: 26px 0 0;
  margin: 8px 0 0;
  border-top: 1px solid #2a3b35;
}
.specs li { max-width: 200px; font-size: 14px; line-height: 1.45; color: var(--dim); }
.specs strong { display: block; color: var(--ink); font-weight: 600; margin-bottom: 4px; }
.sheet { margin-top: 56px; background: var(--sheet); padding: 16px 16px 12px; }
.sheet img, .sheet svg { width: 100%; display: block; }
.sheet img { height: 440px; object-fit: cover; }
.sheet svg { height: 220px; background: #121a17; }
.cap {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-top: 12px;
  font-size: 14px;
  line-height: 1.45;
  color: var(--dim);
}
.cap b { color: var(--glass); font-weight: 600; }
footer.thin {
  margin-top: 42px;
  font-size: 14px;
  color: var(--dim);
  line-height: 1.5;
}
@media (max-width: 840px) {
  body { display: block; }
  .rail {
    position: sticky;
    top: 0;
    height: auto;
    width: 100%;
    flex-direction: row;
    padding: 10px 14px;
    z-index: 2;
    gap: 12px;
  }
  .vert { display: none; }
  .rail nav { flex-direction: row; margin-top: 0; margin-left: auto; gap: 14px; }
  main { padding: 28px 18px 48px; }
  .overlap { grid-template-columns: 1fr; }
  .overlap img { height: 230px; margin: 0 0 18px; border-radius: 2px 36px 2px 2px; }
  .specs { flex-direction: column; gap: 14px; }
  .sheet img { height: 240px; }
  .cap { flex-direction: column; gap: 6px; }
}