.catalog-page .site-header {
  background: rgba(10, 10, 10, 0.94);
}

.catalog-page .nav a.is-current {
  color: var(--white);
  box-shadow: inset 0 -2px 0 var(--red);
}

.catalog {
  padding-top: calc(var(--header-h) + 2rem);
  padding-bottom: 3rem;
}

.catalog-hero,
.pdf-stage {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.catalog-hero h1 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.catalog-lead {
  margin: 0;
  max-width: 38rem;
  color: rgba(20, 20, 20, 0.7);
  font-size: 1.05rem;
  font-weight: 300;
}

.catalog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.btn-dark {
  background: var(--black);
  color: var(--white);
}

.btn-dark:hover {
  background: #222;
  transform: translateY(-1px);
}

.btn-ghost-dark {
  border: 1px solid rgba(10, 10, 10, 0.28);
  color: var(--black);
  background: transparent;
}

.btn-ghost-dark:hover {
  border-color: var(--black);
  background: rgba(10, 10, 10, 0.04);
}

.pdf-stage {
  margin-top: 2rem;
}

.pdf-frame {
  width: 100%;
  height: min(80vh, 920px);
  border: 1px solid var(--line);
  background: var(--paper);
}

.pdf-fallback {
  margin: 0.85rem 0 0;
  font-size: 0.9rem;
  color: rgba(20, 20, 20, 0.6);
}

.pdf-fallback a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}