.categories-container{max-width:1200px;margin:0 auto;padding:120px 24px 80px}.categories-header{max-width:800px;margin-bottom:64px}.back-link{color:var(--text-secondary);align-items:center;gap:8px;margin-bottom:24px;font-size:.875rem;font-weight:500;text-decoration:none;transition:color .2s;display:inline-flex}.back-link:hover{color:var(--accent)}.back-link svg{transition:transform .2s}.back-link:hover svg{transform:translate(-4px)}.category-index-title{font-family:var(--font-display),sans-serif;font-size:clamp(2.5rem,8vw,4rem);font-weight:var(--weight-heading);color:var(--text-primary);letter-spacing:-.02em;margin-bottom:16px;line-height:1.1}.category-index-desc{font-family:var(--font-primary),sans-serif;color:var(--text-secondary);font-size:1.125rem;line-height:1.6}.categories-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}.category-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;flex-direction:column;padding:24px;text-decoration:none;transition:all .3s;display:flex}.category-card:hover{border-color:var(--accent);background:var(--bg-elevated);transform:translateY(-4px);box-shadow:0 10px 30px #0000004d}.category-card-name{font-family:var(--font-display),sans-serif;font-size:1.1rem;font-weight:var(--weight-heading);color:var(--text-primary);margin-bottom:6px;transition:color .3s}.category-card:hover .category-card-name{color:var(--accent)}.category-card-description{color:var(--text-secondary);font-size:.8125rem;line-height:1.5}.empty-state{text-align:center;color:var(--text-muted);grid-column:1/-1;padding:80px 0;font-style:italic}@media (max-width:768px){.categories-grid{grid-template-columns:1fr}.category-card{padding:20px}}