/* Горизонтальная карусель фотографий информационных мероприятий.
   Эффект глубины сделан на обычных 2D-трансформациях (translateX/scale/opacity),
   без perspective/preserve-3d/backface-visibility — в Safari (WebKit) настоящие
   3D-трансформации нескольких вложенных элементов рендерятся ненадёжно
   (карточки схлопываются или часть фото не прорисовывается). */
.about__docs {
  display: block;
  width: 100%;
  margin: 24px auto 0;
  text-align: center;
}

.seminar-carousel {
  --carousel-card-width: clamp(220px, 29vw, 330px);
  --carousel-card-height: 220px;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  color: #37434b;
}

.seminar-carousel__hint {
  margin: 0 auto 10px;
  font-size: 15px;
  line-height: 1.4;
}

.seminar-carousel__stage {
  position: relative;
  height: 320px;
  width: 100%;
  overflow: hidden;
  touch-action: pan-y;
  cursor: grab;
  outline: none;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}

.seminar-carousel__stage:active { cursor: grabbing; }
.seminar-carousel__stage:focus-visible { outline: 2px solid #1ea5d4; outline-offset: -5px; }

.seminar-carousel__track {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
}

.seminar-carousel__card {
  display: block;
  position: absolute;
  top: calc(var(--carousel-card-height) / -2);
  left: calc(var(--carousel-card-width) / -2);
  width: var(--carousel-card-width);
  height: var(--carousel-card-height);
  transition: transform 450ms ease, opacity 450ms ease;
  -webkit-tap-highlight-color: transparent;
}

.seminar-carousel__card .docs__pic {
  display: block;
  width: 100%;
  height: 100%;
  margin: 0;
  object-fit: cover;
  background: #ece8df;
  border: 5px solid rgba(255,255,255,.95);
  border-radius: 22px;
  box-shadow: 0 12px 30px rgba(35, 41, 45, .27), 0 0 0 1px rgba(181, 135, 63, .46);
  transition: box-shadow 450ms ease;
}

.seminar-carousel__card:hover,
.seminar-carousel__card:focus-visible {
  z-index: 1000;
}

.seminar-carousel__card:hover .docs__pic,
.seminar-carousel__card:focus-visible .docs__pic {
  box-shadow: 0 18px 36px rgba(35, 41, 45, .38), 0 0 0 2px #bd8a32;
}

.seminar-carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-height: 58px;
  margin: 2px auto 0;
}

.seminar-carousel__button {
  display: grid;
  place-items: center;
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  padding: 0 0 4px;
  border: 2px solid #b78736;
  border-radius: 50%;
  background: rgba(255,255,255,.72);
  color: #155b83;
  box-shadow: 0 4px 12px rgba(0,0,0,.14);
  font: 34px/1 Georgia, serif;
  cursor: pointer;
  transition: background .2s ease, transform .2s ease;
}

.seminar-carousel__button:hover { background: #fff; transform: scale(1.06); }
.seminar-carousel__button:focus-visible { outline: 3px solid #1ea5d4; outline-offset: 3px; }

.seminar-carousel__status {
  min-width: min(390px, 62vw);
  margin: 0;
  color: #155b83;
  font-weight: 700;
}

/* Без JavaScript фотографии остаются обычной сеткой */
.seminar-carousel:not(.is-ready) .seminar-carousel__stage {
  display: grid;
  height: auto;
  overflow: visible;
  mask-image: none;
  -webkit-mask-image: none;
}
.seminar-carousel:not(.is-ready) .seminar-carousel__track {
  position: static;
  display: grid;
  width: 100%;
  height: auto;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  transform: none !important;
}
.seminar-carousel:not(.is-ready) .seminar-carousel__card {
  position: static;
  width: 100%;
  height: 180px;
  opacity: 1 !important;
  transform: none !important;
}
.seminar-carousel:not(.is-ready) .seminar-carousel__controls,
.seminar-carousel:not(.is-ready) .seminar-carousel__hint { display: none; }

@media (max-width: 700px) {
  .seminar-carousel { --carousel-card-width: min(72vw, 300px); --carousel-card-height: 190px; }
  .seminar-carousel__hint { font-size: 13px; }
  .seminar-carousel__stage { height: 300px; }
  .seminar-carousel__controls { gap: 12px; }
  .seminar-carousel__button { flex-basis: 42px; width: 42px; height: 42px; font-size: 30px; }
  .seminar-carousel__status { min-width: 0; max-width: 62vw; font-size: 14px; line-height: 1.25; }
}

@media (prefers-reduced-motion: reduce) {
  .seminar-carousel__card,
  .seminar-carousel__button { transition-duration: .01ms; }
}