/* ============================================
   gallery.css — 共用 Gallery Slider
   ============================================ */

/* Wrapper：為兩側箭頭留空間 */
.events__wrapper {
  position: relative;
  max-width: 900px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* Slider 視窗：overflow hidden 裁切 */
.events__slider {
  overflow: hidden;
  border-radius: 15px;
  box-shadow: 0 8px 40px rgba(108, 99, 255, .12);
}

/* Track：flex 橫排，translateX 切換 */
.events__track {
  display: flex;
  transition: transform .5s cubic-bezier(.25, .46, .45, .94);
  will-change: transform;
}

/* 每張投影片 */
.events__slide {
  min-width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}

/* 模糊背景層：預設隱藏，直式圖才啟用 */
.events__slide__bg {
  display: none;
  position: absolute;
  inset: -10%;
  background-size: cover;
  background-position: center;
  filter: blur(24px) brightness(0.9) saturate(0.8);
}

/* 橫式：直接 cover 填滿 */
.events__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 1;
}

/* 直式：顯示模糊背景，圖片改 contain */
.events__slide.is-portrait .events__slide__bg {
  display: block;
}
.events__slide.is-portrait img {
  object-fit: contain;
}

/* 左右箭頭 */
.events__arrow {
  display: none;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 1.5px solid rgba(108, 99, 255, .4);
  background: rgba(255, 255, 255, .85);
  backdrop-filter: blur(8px);
  color: var(--primary-color);
  font-size: 1.125rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  z-index: 2;
}
.events__arrow:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--white);
}
.events__arrow--prev { left: 0; }
.events__arrow--next { right: 0; }
.events__arrow:disabled { opacity: .35; cursor: default; }

/* Dots */
.events__dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  margin-top: 1.5rem;
}
.events__dot {
  width: .6rem;
  height: .6rem;
  border-radius: 50%;
  border: 1.5px solid var(--accent-color);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), transform var(--transition);
}
.events__dot.is-active {
  background: var(--gradient-brand);
  border: none;
  transform: scale(1.2);
}

/* 手機版：有直式圖時改為 3/4 容器，讓直式圖顯示更大 */
@media (max-width: 767px) {
  .events__wrapper.has-portrait .events__slide {
    aspect-ratio: 3 / 4;
  }
  /* 直式圖改 cover，左右填滿，上下微裁 */
  .events__wrapper.has-portrait .events__slide.is-portrait img {
    object-fit: cover;
  }
  /* 直式圖已 cover 填滿，不需模糊背景 */
  .events__wrapper.has-portrait .events__slide.is-portrait .events__slide__bg {
    display: none;
  }
}

/* Desktop：顯示箭頭 + 恢復箭頭空間 */
@media (min-width: 768px) {
  .events__arrow { display: flex; }
  .events__wrapper { padding-inline: 1.375rem; }
  .events__slider { border-radius: 30px; }
}

@media (min-width: 1200px) {
  .events__wrapper { max-width: 1150px; }
}