/* =========================================================================
   catalog-index.css — Catalog landing page (the index that fronts all entries)
   ========================================================================= */

/* ===== HEAD ===== */
.cat-head {
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
  position: relative;
  border-bottom: 1px solid var(--border);
}
.cat-head::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--gradient-frame);
}
.cat-head__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18rem;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
@media (max-width: 980px) { .cat-head__grid { grid-template-columns: 1fr; } }
.cat-head__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 380;
  line-height: 1.02;
  letter-spacing: -0.022em;
  color: var(--text-heading);
  margin: 1.5rem 0;
  font-variation-settings: "opsz" 144, "SOFT" 50;
}
.cat-head__lede {
  font-family: var(--font-reading);
  font-size: clamp(1.15rem, 1.5vw, 1.4rem);
  line-height: 1.5;
  color: var(--text-heading);
  margin: 0;
  max-width: 38rem;
  text-wrap: pretty;
  padding-block: 1.5rem;
  border-block: 1px solid var(--border);
  position: relative;
}
.cat-head__lede::before {
  content: "";
  position: absolute;
  left: -1px; top: -1px;
  width: 48px; height: 2px;
  background: var(--gradient-frame);
}

.cat-head__meta {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  display: grid;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--size-tiny);
}
.cat-head__meta dt {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}
.cat-head__meta dd {
  font-family: var(--font-reading);
  margin: 0 0 0.5rem;
  font-size: var(--size-small);
}
.cat-head__meta dd:last-of-type { margin-bottom: 0; }
.cat-head__meta dd .tnum { font-family: var(--font-mono); }

/* ===== INTRO PROSE ===== */
.cat-intro {
  padding-block: clamp(3rem, 5vw, 4rem);
}
.cat-intro__grid {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
}
@media (max-width: 880px) { .cat-intro__grid { grid-template-columns: 1fr; gap: 1rem; } }
.cat-intro__label {
  position: sticky;
  top: 6rem;
  align-self: start;
  padding-top: 0.5rem;
  border-top: 2px solid var(--neutral-900);
}
@media (max-width: 880px) { .cat-intro__label { position: static; border-top: none; } }
.cat-intro__label .eyebrow { margin: 0; }
.cat-intro__body { max-width: 40rem; }
.cat-intro__body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 400;
  margin: 0 0 1rem;
  letter-spacing: -0.005em;
  line-height: 1.15;
  text-wrap: balance;
}
.cat-intro__body p {
  font-size: var(--size-body);
  line-height: 1.7;
  margin: 0 0 1.25em;
  max-width: 38rem;
}

/* ===== FEATURED ENTRIES ===== */
.cat-featured {
  padding-block: clamp(2rem, 4vw, 3rem);
  background: var(--surface-alt);
  border-block: 1px solid var(--border);
}
.cat-featured__head {
  margin-bottom: 1.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: baseline;
}
.cat-featured__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.2vw, 1.875rem);
  font-weight: 400;
  margin: 0;
  letter-spacing: -0.005em;
}
.cat-featured__head .eyebrow { display: block; margin-bottom: 0.4rem; }
.cat-featured__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (max-width: 760px) { .cat-featured__grid { grid-template-columns: 1fr; } }

.feature-card {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text-body);
  transition: border-color var(--dur-fast) var(--ease-out);
}
.feature-card:hover { border-color: var(--brand-blue-deep); }
@media (max-width: 560px) { .feature-card { grid-template-columns: 1fr; } }
.feature-card__media {
  aspect-ratio: 1 / 1;
  background:
    repeating-linear-gradient(45deg,
      var(--neutral-100) 0 8px,
      var(--neutral-200) 8px 9px);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  position: relative;
}
.feature-card__media::after {
  content: attr(data-label);
  position: absolute;
  inset: auto 0.5rem 0.5rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: center;
  background: rgba(250,247,242,0.85);
  padding: 0.25rem;
}
.feature-card__category {
  font-family: var(--font-mono);
  font-size: var(--size-tiny);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin: 0 0 0.5rem;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  margin: 0 0 0.5rem;
  line-height: 1.2;
  color: var(--text-heading);
}
.feature-card p {
  font-size: var(--size-small);
  line-height: 1.55;
  margin: 0 0 0.75rem;
  max-width: 30rem;
}
.feature-card__foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: var(--size-tiny);
  color: var(--text-muted);
  margin-top: auto;
}
.feature-card__price { color: var(--text-heading); }
.feature-card__more::after {
  content: " →";
  transition: transform var(--dur-fast) var(--ease-out);
}
.feature-card:hover .feature-card__more {
  color: var(--brand-blue-deep);
}

/* ===== CATEGORY CARDS ===== */
.cat-categories {
  padding-block: clamp(4rem, 7vw, 6rem);
}
.cat-categories__head {
  margin-bottom: 2rem;
  max-width: 40rem;
}
.cat-categories__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
  margin: 0.5rem 0 0.5rem;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.cat-categories__head p {
  font-size: var(--size-small);
  color: var(--text-muted);
  margin: 0;
  max-width: 32rem;
}
.cat-categories__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border-block: 1px solid var(--border-strong);
}
@media (max-width: 980px) { .cat-categories__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cat-categories__grid { grid-template-columns: 1fr; } }

.category-card {
  background: var(--surface);
  padding: 1.75rem 1.5rem 1.5rem;
  text-decoration: none;
  color: var(--text-body);
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 0.4rem;
  min-height: 220px;
  transition: background var(--dur-base) var(--ease-out);
  position: relative;
}
.category-card:hover { background: var(--surface-raised); }
.category-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 0;
  background: var(--gradient-frame);
  transition: height var(--dur-base) var(--ease-out);
}
.category-card:hover::before { height: 2px; }
.category-card__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.14em;
}
.category-card__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.15;
  color: var(--text-heading);
  margin: 0.4rem 0 0;
  letter-spacing: -0.005em;
}
.category-card__desc {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-body);
  margin: 0.5rem 0 0;
  align-self: end;
  max-width: 32ch;
}
.category-card__count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.category-card__count::after {
  content: "→";
  font-family: var(--font-reading);
  font-size: 0.9rem;
  transition: transform var(--dur-fast) var(--ease-out);
}
.category-card:hover .category-card__count::after {
  transform: translateX(4px);
  color: var(--brand-blue-deep);
}

/* ===== HOW-TO ===== */
.cat-howto {
  padding-block: clamp(3rem, 5vw, 4rem);
  background: var(--surface-alt);
  border-block: 1px solid var(--border);
}
.cat-howto__grid {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
}
@media (max-width: 880px) { .cat-howto__grid { grid-template-columns: 1fr; gap: 1rem; } }
.cat-howto__label {
  position: sticky;
  top: 6rem;
  align-self: start;
  padding-top: 0.5rem;
  border-top: 2px solid var(--neutral-900);
}
@media (max-width: 880px) { .cat-howto__label { position: static; border-top: none; } }
.cat-howto__body { max-width: 40rem; }
.cat-howto__body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 400;
  margin: 0 0 1rem;
  letter-spacing: -0.005em;
  line-height: 1.2;
}
.cat-howto__body p {
  font-size: var(--size-body);
  line-height: 1.7;
  margin: 0 0 1.25em;
  max-width: 38rem;
}
.cat-howto__body p strong { font-weight: 600; }

/* ===== CATALOG FAQ — reuses .faq from styles.css ===== */
.cat-faq {
  padding-block: clamp(3rem, 5vw, 4rem);
}
.cat-faq__inner {
  display: grid;
  grid-template-columns: 18rem 1fr;
  gap: 4rem;
}
@media (max-width: 880px) { .cat-faq__inner { grid-template-columns: 1fr; gap: 2rem; } }
.cat-faq h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 400;
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
  line-height: 1.15;
  max-width: 14ch;
}
.cat-faq__intro {
  font-size: var(--size-small);
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 18rem;
}