.catalog-body {
  background: var(--cream);
}

.catalog-intro {
  padding: clamp(5rem, 9vw, 8rem) 0 clamp(4rem, 7vw, 6rem);
  color: var(--paper);
  background: var(--forest-deep);
}

.catalog-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
  gap: clamp(3rem, 9vw, 10rem);
  align-items: end;
}

.catalog-intro h1 {
  max-width: 9ch;
  margin: 0;
  font-size: clamp(3.8rem, 7vw, 6.8rem);
  line-height: 0.88;
  letter-spacing: -0.07em;
}

.catalog-intro h1 em {
  color: var(--acid);
  font-style: normal;
}

.catalog-intro-copy {
  max-width: 28rem;
  margin: 0;
  color: rgba(251, 250, 242, 0.72);
  font-size: 1rem;
  line-height: 1.4;
}

.catalog-tabs {
  position: sticky;
  z-index: 10;
  top: 5.2rem;
  border-bottom: 1px solid var(--line);
  background: rgba(242, 239, 228, 0.96);
  backdrop-filter: blur(12px);
}

.catalog-tabs-inner {
  display: flex;
  gap: clamp(1.25rem, 3vw, 2.8rem);
  overflow-x: auto;
  scrollbar-width: thin;
}

.catalog-tabs button {
  position: relative;
  flex: 0 0 auto;
  padding: 1.05rem 0 0.95rem;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 180ms ease, border-color 180ms ease;
}

.catalog-tabs button:hover,
.catalog-tabs button:focus-visible,
.catalog-tabs button.is-active {
  color: var(--forest);
  border-bottom-color: var(--acid);
}

.catalog-page {
  min-height: 70vh;
  padding: clamp(4rem, 7vw, 7rem) 0 clamp(5rem, 8vw, 8rem);
  background: var(--cream);
}

.catalog-category[hidden] {
  display: none;
}

.catalog-category-header {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(17rem, 0.85fr);
  gap: clamp(2rem, 8vw, 9rem);
  align-items: end;
  margin-bottom: 2rem;
}

.catalog-category-heading {
  display: grid;
  grid-template-columns: 2.8rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.catalog-category-heading .eyebrow {
  margin: 0.55rem 0 0;
  color: var(--clay);
}

.catalog-category-heading h2 {
  max-width: 14ch;
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 0.98;
}

.catalog-category-heading h2 em {
  color: var(--leaf);
  font-style: normal;
}

.catalog-category-header > p {
  max-width: 30rem;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.4;
}

.catalog-feature-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 0 0 2.25rem;
}

.catalog-card {
  min-width: 0;
  height: 21rem;
  margin: 0;
  perspective: 1000px;
  cursor: pointer;
}

.catalog-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.75s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.catalog-card:hover .catalog-card-inner,
.catalog-card:focus .catalog-card-inner,
.catalog-card.is-flipped .catalog-card-inner {
  transform: rotateY(180deg);
}

.catalog-card-front,
.catalog-card-back {
  position: absolute;
  inset: 0;
  display: flex;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 1rem;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.catalog-card-front {
  flex-direction: column;
  padding: 0.45rem 0.45rem 0;
  color: var(--ink);
  background: var(--paper);
}

.catalog-card-front::after {
  position: absolute;
  top: 0.75rem;
  right: 18%;
  left: 18%;
  height: 1px;
  background: rgba(255, 255, 255, 0.86);
  content: "";
  pointer-events: none;
}

.catalog-card-front img {
  width: 100%;
  min-height: 0;
  flex: 1 1 auto;
  object-fit: cover;
  border-radius: 0.75rem;
}

.catalog-card-caption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0.35rem 0.75rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.025em;
}

.catalog-card-caption span:first-child {
  color: var(--clay);
}

.catalog-card-back {
  flex-direction: column;
  justify-content: space-between;
  padding: 1.45rem;
  color: var(--forest-deep);
  background: var(--leaf);
  transform: rotateY(180deg);
}

.catalog-card:nth-child(2n) .catalog-card-back {
  background: var(--acid);
}

.catalog-card-back .mono-label {
  color: var(--forest-deep);
  font-size: 0.75rem;
}

.catalog-card-back strong {
  max-width: 11ch;
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.catalog-card-back small {
  max-width: 18rem;
  color: rgba(13, 40, 22, 0.74);
  font-size: 0.9rem;
  line-height: 1.35;
}

/* --gold measures 1.63:1 on the cream catalogue ground, against the 3:1 floor
   for focus indicators (WCAG 1.4.11) — the ring was effectively invisible.
   --forest measures 12.26:1 here and matches what the tabs already inherit
   from styles.css. Same reasoning as the surface-scoped rings in styles.css. */
.catalog-card:focus-visible {
  outline: 3px solid var(--forest);
  outline-offset: 5px;
  border-radius: 1.25rem;
}

.catalog-list {
  border-top: 1px solid var(--line);
}

.catalog-row {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
  min-height: 5.1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding 180ms ease, background-color 180ms ease;
}

.catalog-row:hover,
.catalog-row:focus-within {
  padding-right: 0.65rem;
  padding-left: 0.65rem;
  background: rgba(186, 109, 78, 0.08);
}

.catalog-number {
  color: var(--clay);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
}

.catalog-row strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.catalog-row small {
  display: block;
  max-width: 48rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.4;
}

.catalog-status {
  color: var(--forest);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-align: right;
  text-transform: uppercase;
}

.catalog-category-note {
  max-width: 42rem;
  margin: 1.35rem 0 0 3.75rem;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.4;
}

.catalog-visit {
  color: var(--paper);
  background: var(--forest);
}

.catalog-visit-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 0.75fr);
  gap: clamp(2rem, 8vw, 9rem);
  align-items: end;
}

.catalog-visit h2 {
  max-width: 11ch;
  margin: 0;
  color: var(--paper);
}

.catalog-visit-copy {
  max-width: 25rem;
}

.catalog-visit-copy p {
  margin-bottom: 1.5rem;
  color: rgba(251, 250, 242, 0.7);
  font-size: 1rem;
  line-height: 1.4;
}

@media (max-width: 920px) {
  .catalog-intro-grid,
  .catalog-category-header,
  .catalog-visit-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .catalog-intro-copy,
  .catalog-category-header > p,
  .catalog-visit-copy {
    max-width: 38rem;
  }
}

@media (max-width: 640px) {
  .catalog-tabs {
    top: 4.5rem;
  }

  .catalog-intro {
    padding-top: 4.5rem;
    padding-bottom: 3.5rem;
  }

  .catalog-intro h1 {
    font-size: clamp(3.2rem, 15vw, 4.6rem);
  }

  .catalog-page {
    padding-top: 3.5rem;
    padding-bottom: 4.5rem;
  }

  .catalog-category-heading {
    grid-template-columns: 2.25rem minmax(0, 1fr);
    gap: 0.75rem;
  }

  .catalog-category-heading h2 {
    font-size: 2.4rem;
  }

  .catalog-feature-rail {
    grid-template-columns: repeat(3, minmax(15.75rem, 1fr));
    margin-right: -1rem;
    overflow-x: auto;
    padding-right: 1rem;
    padding-bottom: 0.5rem;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }

  .catalog-card {
    height: 17rem;
    scroll-snap-align: start;
  }

  .catalog-card-back {
    padding: 1.25rem;
  }

  .catalog-card-back strong {
    font-size: 1.8rem;
  }

  .catalog-row {
    grid-template-columns: 2rem minmax(0, 1fr);
    gap: 0.7rem;
    min-height: 0;
    padding: 1rem 0;
  }

  .catalog-status {
    grid-column: 2;
    margin-top: 0.1rem;
    text-align: left;
  }

  .catalog-row strong {
    font-size: 1.08rem;
  }

  .catalog-row small {
    font-size: 0.9rem;
  }

  .catalog-category-note {
    margin-left: 2.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .catalog-card-inner,
  .catalog-row,
  .catalog-tabs button {
    transition: none;
  }
}