/* Directory-only styles: preserve the site's white cards and warm education cards. */
.collection-directory { max-width: 1000px; margin: 0 auto; padding: 16px 24px; }
.collection-directory .page-header { text-align: center; padding: 20px 0 24px; margin-bottom: 24px; border-bottom: 1px solid rgba(0,0,0,.06); }
.collection-directory .page-title { font-family: var(--font-serif); font-size: 28px; font-weight: 600; color: #2c2c2c; letter-spacing: .08em; margin: 0 0 10px; }
.collection-directory .page-desc { font-size: 14px; color: #737373; line-height: 1.8; margin: 0; }
.collection-directory .collection-section { padding: 0; margin-bottom: 32px; }
.collection-directory .section-title { font-family: var(--font-serif); font-size: 18px; font-weight: 600; margin: 0 0 16px; padding-left: 12px; border-left: 3px solid #C04851; }
.collection-directory .section-title::before { content: none; }
.collection-directory .collection-grid, .collection-directory .edu-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.collection-directory .edu-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
.collection-directory .collection-card, .collection-directory .edu-card { display: block; padding: 24px; background: #fff; border: 1px solid rgba(0,0,0,.06); border-radius: 8px; text-decoration: none; transition: border-color .2s, box-shadow .2s; }
.collection-directory .edu-card { background: linear-gradient(135deg,#faf8f5,#f5f0e8); }
.collection-directory .collection-card:hover, .collection-directory .edu-card:hover { border-color: rgba(192,72,81,.3); box-shadow: 0 4px 12px rgba(0,0,0,.04); }
.collection-directory .collection-card:focus-visible, .collection-directory .edu-card:focus-visible { outline: 2px solid #C04851; outline-offset: 3px; }
.collection-directory .collection-name, .collection-directory .edu-name { font-family: var(--font-serif); font-size: 18px; font-weight: 600; color: #2c2c2c; line-height: 1.6; margin: 0 0 10px; overflow-wrap: anywhere; }
.collection-directory .collection-card:hover .collection-name, .collection-directory .edu-card:hover .edu-name { color: #C04851; }
.collection-directory .collection-desc, .collection-directory .edu-desc { font-size: 14px; color: #666; line-height: 1.85; margin: 0 0 14px; overflow-wrap: anywhere; }
.collection-directory .collection-count, .collection-directory .edu-count { font-size: 13px; color: #737373; }
.collection-directory .edu-section { padding: 0; margin-bottom: 24px; }
.collection-directory .edu-note { font-size: 13px; color: #737373; line-height: 1.9; padding: 0; margin: 0; text-align: left; }
@media (max-width: 768px) {
    .collection-directory { padding: 16px; }
    .collection-directory .page-header { padding: 12px 0 20px; margin-bottom: 20px; }
    .collection-directory .page-title { font-size: 24px; }
    .collection-directory .collection-grid, .collection-directory .edu-grid { grid-template-columns: minmax(0,1fr); gap: 16px; }
    .collection-directory .collection-card, .collection-directory .edu-card { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) {
    .collection-directory .collection-card, .collection-directory .edu-card { transition: none; }
}

/* Illustrated catalogue: keep the separate education directory unchanged. */
.collections-directory { max-width: 1120px; }
.collections-directory .collection-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
.collections-directory .collection-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; min-width: 0; }
.collections-directory .collection-cover { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; background: #f5f1e8; }
.collections-directory .collection-info { display: flex; flex-direction: column; flex: 1; padding: 20px; min-height: 190px; }
.collections-directory .collection-name { font-size: 20px; margin-bottom: 10px; }
.collections-directory .collection-desc { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; font-size: 14px; margin-bottom: 16px; }
.collections-directory .collection-count { margin-top: auto; font-size: 13px; }
.collections-directory .collection-section { margin-bottom: 40px; }
@media (min-width: 640px) and (max-width: 1023px) {
    .collections-directory .collection-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
}
@media (max-width: 639px) {
    .collections-directory .collection-grid { grid-template-columns: minmax(0,1fr); gap: 16px; }
    .collections-directory .collection-card { padding: 0; }
    .collections-directory .collection-info { padding: 20px; }
}