.wrap { max-width: 72rem; margin: 0 auto; padding: 0 1.25rem; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--accent);
}
.brand:hover { color: var(--accent); text-decoration: none; }
.mark { width: 1.35rem; height: 1.35rem; display: block; }

.top nav { display: flex; gap: 1.1rem; font-size: 0.88rem; color: var(--ink-soft); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  gap: 2.5rem;
  align-items: end;
  padding: 3.2rem 0 2.6rem;
}

h1 {
  font-size: clamp(2.8rem, 7vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.95;
  margin: 0 0 0.85rem;
}
h1 .stop { color: var(--accent); }

.lede {
  font-size: 1.15rem;
  color: var(--ink-mid);
  max-width: 36rem;
  margin: 0 0 1.4rem;
}

.actions { display: flex; flex-wrap: wrap; gap: 0.55rem; }

.btn {
  display: inline-flex;
  align-items: center;
  height: 2.4rem;
  padding: 0 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

.note {
  margin: 0.85rem 0 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
}

.specimen {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
.specimen .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.specimen .body { padding: 0.85rem 0.85rem 1rem; }
.specimen h3 { margin: 0 0 0.35rem; font-size: 0.95rem; font-weight: 600; }
.specimen p { margin: 0 0 0.75rem; color: var(--ink-mid); font-size: 0.88rem; }

.code {
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.65rem 0.75rem;
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink-mid);
  overflow-x: auto;
}

.chip {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.18rem 0.42rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--accent);
}

.chapter { padding: 2.4rem 0; border-top: 1px solid var(--line); }
.kicker {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.55rem;
}
h2 { font-size: 1.7rem; letter-spacing: -0.03em; margin: 0 0 0.7rem; font-weight: 700; }
.prose { max-width: 40rem; color: var(--ink-mid); }
.prose p { margin: 0 0 0.8rem; }

.stack { display: flex; flex-direction: column; border-top: 1px solid var(--line); margin-top: 1.2rem; }
.row {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}
.row .name {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.row p { margin: 0; color: var(--ink-mid); font-size: 0.92rem; }

.foot {
  padding: 2rem 0 3rem;
  font-size: 0.82rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr; gap: 0.35rem; }
}