/* ═══════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════ */

.hero {
  text-align: center;
  padding: 4rem 1.5rem 3rem;
  max-width: 780px;
  margin: 0 auto;
}
.hero h1 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 2.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  background: linear-gradient(180deg, #f0f0f0 0%, #b8b8b8 50%, #707070 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  color: var(--text-dim);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto 2rem;
}
.hero-search {
  display: flex;
  max-width: 520px;
  margin: 0 auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg-surface);
}
.hero-search input {
  flex: 1;
  padding: 0.85rem 1.1rem;
  background: transparent;
  border: 0;
  color: var(--text);
  outline: none;
}
.hero-search button {
  padding: 0 1.4rem;
  background: var(--gold);
  color: #111;
  border: 0;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
  transition: filter 0.15s;
}
.hero-search button:hover { filter: brightness(1.1); }

/* ═══════════════════════════════════════════════════════════
   CATEGORY TILES
   ═══════════════════════════════════════════════════════════ */

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto 3rem;
  padding: 0 1.5rem;
}

.category-tile {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-raised) 100%);
  border: 1px solid var(--line);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  transition: transform 0.2s, border-color 0.2s;
}
.category-tile:hover {
  transform: translateY(-2px);
  border-color: var(--gold-dim);
}
.category-tile::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.65) 100%);
  pointer-events: none;
}
.cat-name {
  position: relative;
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: #fff;
}

/* ═══════════════════════════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════════════════════════ */

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1200px;
  margin: 3rem auto 1.5rem;
  padding: 0 1.5rem;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
}
.section-head a {
  font-size: 0.8rem;
  color: var(--text-dim);
  transition: color 0.15s;
}
.section-head a:hover { color: var(--gold); }

@media (max-width: 720px) {
  .hero { padding: 2.5rem 1rem 2rem; }
  .hero h1 { font-size: 1.8rem; }
  .category-grid { padding: 0 0.75rem; gap: 0.6rem; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
}

/* ─── Category tree ──────────────────────────────────────── */

.cat-tree,
.cat-children {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.cat-tree {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.cat-node { margin: 0.15rem 0; }

.cat-children {
  padding-left: 1.5rem;
  border-left: 1px solid var(--line);
  margin-left: 0.4rem;
}

.cat-link {
  display: inline-block;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  transition: color 0.15s, background 0.15s;
}
.cat-link:hover {
  color: var(--gold);
  background: var(--bg-surface);
}
.cat-node[data-depth="0"] > .cat-link {
  font-size: 1.05rem;
  letter-spacing: 0.03em;
}

.cat-count {
  color: var(--text-faint);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  margin-left: 0.25rem;
}

/* ─── Category tree ──────────────────────────────────────── */

.cat-tree,
.cat-children {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.cat-tree {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.cat-node { margin: 0; }

.cat-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.2rem 0;
}

.cat-children {
  padding-left: 1.5rem;
  border-left: 1px solid var(--line);
  margin-left: 0.75rem;
}

.cat-toggle {
  width: 22px;
  height: 22px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.15s;
  flex-shrink: 0;
}
.cat-toggle:hover { border-color: var(--gold); color: var(--gold); }

.cat-toggle-spacer {
  width: 22px;
  flex-shrink: 0;
}

.cat-link {
  flex: 1;
  padding: 0.25rem 0;
  color: var(--text);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  transition: color 0.15s;
}
.cat-link:hover { color: var(--gold); }

.cat-node[data-depth="0"] > .cat-row > .cat-link {
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.cat-count {
  color: var(--text-faint);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}