.collection-heading { max-width: 720px; margin-bottom: 26px; }
.section .collection-heading h2 { margin-bottom: 12px; }
.collection-heading p { margin: 0; color: #68736b; line-height: 1.6; }
.collection-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 68px; }
.collection-tab { display: flex; align-items: center; gap: 14px; min-width: 0; min-height: 104px; padding: 18px; border: 1px solid #ded6c9; border-radius: 16px; background: #fffcf7; color: #303b31; text-align: left; cursor: pointer; transition: border-color .2s, background .2s, box-shadow .2s, transform .2s; }
.collection-tab:hover { border-color: #ba9290; transform: translateY(-2px); }
.collection-tab[aria-selected="true"] { border-color: #852a32; background: #79242e; color: #fff8ee; box-shadow: 0 12px 28px rgba(100, 22, 31, .17); }
.collection-tab:focus-visible, .calendar-card:focus-visible { outline: 3px solid #d6a954; outline-offset: 3px; }
.collection-tab__icon { display: grid; place-items: center; flex: 0 0 44px; height: 44px; border-radius: 13px; background: #f1e9de; color: #a63c42; font-size: 20px; }
.collection-tab[aria-selected="true"] .collection-tab__icon { background: rgba(255,255,255,.14); color: #ffe0a8; }
.collection-tab strong, .collection-tab small { display: block; }
.collection-tab strong { font-size: 16px; line-height: 1.3; }
.collection-tab small { margin-top: 5px; color: #748077; font-size: 12px; line-height: 1.35; }
.collection-tab[aria-selected="true"] small { color: #ead7cf; }
.collection-tab__arrow { margin-left: auto; align-self: flex-start; color: #b88876; font-size: 17px; }
.collection-tab[aria-selected="true"] .collection-tab__arrow { color: #f1cf9c; }
.category-panel[hidden] { display: none; }
.category-panel:focus { outline: none; }
.collection-panel-head { margin-bottom: 28px; }
.calendar-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 25px 20px; }
.calendar-card { display: block; width: 100%; padding: 0; border: 0; background: transparent; color: #303b31; text-align: left; cursor: zoom-in; }
.calendar-card__image { display: block; overflow: hidden; border: 1px solid rgba(90,62,43,.12); border-radius: 13px; background: #eee5d8; box-shadow: 0 8px 25px rgba(67, 45, 31, .08); }
.calendar-card img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 4; object-fit: contain; transition: transform .25s ease; }
.calendar-card:hover img { transform: scale(1.025); }
.calendar-card__caption { display: flex; justify-content: space-between; gap: 10px; padding: 12px 2px 0; font-size: 14px; font-weight: 700; }
.calendar-card__caption span:last-child { color: #a22d38; }
.video-empty { display: flex; align-items: center; gap: 24px; padding: clamp(30px, 5vw, 65px); border: 1px solid #e5d9cc; border-radius: 20px; background: linear-gradient(135deg, #fffaf2, #f2e9dd); }
.video-empty__icon { display: grid; place-items: center; flex: 0 0 68px; height: 68px; padding-left: 3px; border-radius: 50%; background: #79242e; color: #fff2dc; }
.video-empty > div { min-width: 0; }
.section .video-empty h2 { margin: 0 0 12px; font-size: clamp(26px, 3vw, 36px); line-height: 1.15; overflow-wrap: anywhere; }
.video-empty p { margin: 0; color: #68736b; line-height: 1.6; }
@media (max-width: 720px) {
    .collection-tabs { gap: 8px; margin-bottom: 44px; }
    .collection-tab { min-height: 112px; padding: 12px 10px; flex-direction: column; align-items: flex-start; gap: 9px; border-radius: 13px; }
    .collection-tab__icon { flex-basis: 32px; width: 32px; height: 32px; border-radius: 9px; font-size: 15px; }
    .collection-tab strong { font-size: 13px; }
    .collection-tab small, .collection-tab__arrow { display: none; }
    .calendar-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 10px; }
    .calendar-card__caption { font-size: 12px; }
    .calendar-card__caption span:last-child { font-size: 0; }
    .calendar-card__caption span:last-child::after { content: '↗'; font-size: 16px; }
    .video-empty { align-items: flex-start; gap: 16px; }
    .video-empty__icon { flex-basis: 44px; width: 44px; height: 44px; font-size: 13px; }
}
@media (max-width: 360px) {
    .collection-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .collection-tab { min-height: 88px; }
    .collection-tab:last-child { grid-column: 1 / -1; min-height: 62px; flex-direction: row; align-items: center; }
    .video-empty { flex-direction: column; padding: 24px; }
}
@media (prefers-reduced-motion: reduce) { .collection-tab, .calendar-card img { transition: none; } }