/* === SILK PANELS PAGE === */

/* === SECTION HEADER === */
.page-header {
  padding: 120px 64px 60px;
  text-align: center;
  position: relative;
}

.page-header-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  letter-spacing: 8px;
  color: var(--white);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.page-header-line {
  display: block;
  width: 120px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 0 auto;
}

/* === КОЛЛЕКЦИИ === */
.collections {
  padding: 0 64px 80px;
}

/* === РАЗДЕЛИТЕЛЬ === */
.collection-divider {
  display: flex;
  align-items: center;
  gap: 24px;
  margin: 60px 0;
}

.collection-divider::before,
.collection-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.4), transparent);
}

.collection-divider-diamond {
  width: 8px;
  height: 8px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
  flex-shrink: 0;
}

/* === ЗАГОЛОВОК КОЛЛЕКЦИИ === */
.collection {
  margin-bottom: 0;
}

.collection-header {
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.collection-header.visible {
  opacity: 1;
  transform: translateY(0);
}

.collection-name {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 400;
  letter-spacing: 4px;
  color: var(--white-dim);
  text-transform: uppercase;
  position: relative;
  display: inline-block;
  padding-bottom: 10px;
}

.collection-name::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 1px;
  background: var(--gold);
  transition: width 0.4s ease;
}

.collection:hover .collection-name::after {
  width: 100%;
}

/* === МАКЕТ: большая слева + текст+ряд справа === */
.collection-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: stretch;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease 0.15s, transform 0.7s ease 0.15s;
}

.collection-grid.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Большая карточка слева — квадрат */
.card-large {
  aspect-ratio: 1 / 1;
}

/* Портретный формат (Свет тишины и др.) */
.card-large.card-large--portrait {
  aspect-ratio: unset;
  width: 380px;
}
.small-grid.small-grid--portrait .panel-card {
  aspect-ratio: 3 / 5;
}

/* Правая колонка */
.collection-right {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

/* Описание коллекции */
.collection-desc {
  margin-bottom: 16px;
}

.collection-desc p {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.87;
  color: var(--white-dim);
  text-align: justify;
  margin-bottom: 14px;
}

.collection-desc p:last-child {
  margin-bottom: 0;
}

/* Ряд из 4 картин */
.small-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

/* Ряд из 3 картин */
.small-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

/* === КАРТОЧКА === */
.panel-card {
  display: block;
  position: relative;
  overflow: hidden;
  background: rgba(20,16,14,0.5);
  border: 1px solid rgba(201, 168, 76, 0.08);
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.panel-card:hover {
  border-color: var(--gold);
  box-shadow: 0 4px 24px rgba(201, 168, 76, 0.15);
}

.panel-card:hover .panel-img {
  transform: scale(1.04);
}

.panel-img-wrap {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
}

/* Позиционирование для большой карточки */
.card-large .panel-img-wrap {
  position: relative;
  height: 100%;
}

.panel-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s ease;
}

/* Подпись карточки */
.panel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px 14px 14px;
  background: linear-gradient(transparent, rgba(10, 10, 10, 0.82));
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--gold);
  text-transform: uppercase;
  text-align: center;
}

/* Маленькие карточки */
.small-grid .panel-card {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

/* === FADE-UP анимация через JS IntersectionObserver === */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Задержки для элементов внутри сетки */
.fade-up[data-delay="1"] { transition-delay: 0.1s; }
.fade-up[data-delay="2"] { transition-delay: 0.2s; }
.fade-up[data-delay="3"] { transition-delay: 0.3s; }
.fade-up[data-delay="4"] { transition-delay: 0.4s; }
.fade-up[data-delay="5"] { transition-delay: 0.5s; }

/* === FOOTER STRIP === */
.page-footer {
  border-top: 1px solid rgba(201, 168, 76, 0.15);
  padding: 32px 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 10, 10, 0.95);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--white-dim);
}

.footer-copy {
  font-family: var(--font-body);
  font-size: 12px;
  color: rgba(240, 236, 228, 0.3);
  letter-spacing: 1px;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .page-header {
    padding: 100px 32px 48px;
  }

  .collections {
    padding: 0 24px 60px;
  }

  .collection-grid {
    grid-template-columns: 1fr;
  }

  .card-large {
    grid-column: 1;
    grid-row: auto;
    aspect-ratio: 4 / 3;
  }

  .small-grid {
    grid-column: 1;
    grid-row: auto;
  }

  .page-footer {
    padding: 24px 32px;
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .page-header-title {
    letter-spacing: 4px;
  }

  .small-grid {
    grid-template-columns: 1fr 1fr;
  }

  .collections {
    padding: 0 16px 48px;
  }
}