/* cases：兩張大卡片，左圖右文，整張可點。只選中 #cases 裡的元素。 */
#cases {
  --cases-face: rgba(255, 255, 255, .03);
  --cases-edge: rgba(255, 255, 255, .07);
  --cases-edge-hi: rgba(255, 255, 255, .16);
}

#cases .cases-head .hl-h2 { margin-top: 0; font-weight: 680; letter-spacing: -0.02em; }
#cases .cases-head .hl-lead { max-width: 34em; font-size: 17px; }
#cases .cases-nb { white-space: nowrap; }
@media (max-width: 420px) { #cases .cases-nb { white-space: normal; } }

#cases .cases-list { list-style: none; margin: clamp(40px, 5vw, 64px) 0 0; padding: 0; display: grid; gap: 24px; }

#cases .cases-card {
  position: relative; display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); container-type: inline-size;
  border-radius: 16px; background: var(--cases-face); border: 1px solid var(--cases-edge); overflow: hidden;
  transition: border-color .7s var(--ease), background-color .7s var(--ease);
}
#cases .cases-card:hover { border-color: var(--cases-edge-hi); background: rgba(255, 255, 255, .04); }
#cases .cases-card:has(a:focus-visible) { outline: 2px solid var(--amber); outline-offset: 3px; }

/* 圖：詳情頁主物件的截圖，鋪滿左欄。高度至少按圖的比例，文字欄更高時圖跟著拉高（cover 兩邊各裁一點） */
#cases .cases-media { position: relative; margin: 0; min-height: calc(100cqw * 3 / 5 * 842 / 1600); border-right: 1px solid var(--cases-edge); overflow: hidden; }
#cases .cases-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; transition: transform .9s var(--ease); }
#cases .cases-card:hover .cases-media img { transform: scale(1.025); }

/* 文 */
#cases .cases-body { display: flex; flex-direction: column; padding: clamp(28px, 2.6vw, 34px) clamp(28px, 3.2vw, 44px); }
#cases .cases-meta { display: flex; align-items: center; gap: 10px; font-size: var(--fs-label); letter-spacing: .04em; color: var(--ink-3); }
#cases .cases-meta span + span::before { content: "·"; margin-right: 10px; color: var(--ink-4); }
#cases .cases-status.is-live { color: var(--ink-1); }
#cases .cases-status.is-live::after { /* 琥珀點：正在發生 */
  content: ""; display: inline-block; width: 6px; height: 6px; margin-left: 8px; vertical-align: 2px; border-radius: 50%;
  background: var(--amber); box-shadow: 0 0 0 3px var(--amber-soft);
}
#cases .cases-title { margin-top: 14px; font-size: clamp(24px, 2.1vw, 30px); line-height: 1.25; font-weight: 680; letter-spacing: -0.02em; }
#cases .cases-title a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
#cases .cases-title a:focus-visible { outline: none; }
#cases .cases-summary { margin-top: 12px; font-size: var(--fs-body); line-height: 1.7; color: var(--ink-2); }
#cases .cases-keys { list-style: none; margin: 22px 0 0; padding: 0; font-size: var(--fs-small); line-height: 1.6; color: var(--ink-2); }
#cases .cases-keys li { padding: 8px 0; border-top: 1px solid var(--cases-edge); }
#cases .cases-keys li:last-child { border-bottom: 1px solid var(--cases-edge); }
#cases .cases-more { display: inline-flex; align-items: center; gap: 8px; margin-top: auto; padding-top: 24px; font-size: 15px; font-weight: 600; color: var(--ink-1); }
#cases .cases-more::after { content: "→"; font-weight: 400; color: var(--ink-3); transition: transform .6s var(--ease), color .6s var(--ease); }
#cases .cases-card:hover .cases-more::after { transform: translateX(4px); color: var(--ink-1); }

@media (max-width: 1100px) {
  #cases .cases-list { gap: 20px; }
  #cases .cases-card { grid-template-columns: 1fr; }
  #cases .cases-media { min-height: 0; aspect-ratio: 1600 / 842; border-right: 0; border-bottom: 1px solid var(--cases-edge); }
}
@media (max-width: 1100px) and (min-width: 900px) {
  /* 平板橫屏：圖在上整寬，文字分左右兩欄，卡片不至於太高 */
  #cases .cases-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: 48px; align-content: start; }
  #cases .cases-meta, #cases .cases-title, #cases .cases-summary { grid-column: 1; }
  #cases .cases-keys { grid-column: 2; grid-row: 1 / span 3; margin-top: 0; }
  #cases .cases-more { grid-column: 2; padding-top: 18px; }
}
@media (max-width: 899px) {
  #cases .cases-media { aspect-ratio: 5 / 4; }
  /* 手機圖是區域性，切開的那一邊淡出 */
  #cases .cases-media--r img { -webkit-mask-image: linear-gradient(to right, #000 78%, transparent); mask-image: linear-gradient(to right, #000 78%, transparent); }
  #cases .cases-media--l img { object-position: right center; -webkit-mask-image: linear-gradient(to left, #000 80%, transparent); mask-image: linear-gradient(to left, #000 80%, transparent); }
  #cases .cases-body { padding: 24px 22px 26px; }
  #cases .cases-keys { margin-top: 20px; }
  #cases .cases-more { padding-top: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  #cases .cases-card, #cases .cases-media img, #cases .cases-more::after { transition: none; }
  #cases .cases-card:hover .cases-media img, #cases .cases-card:hover .cases-more::after { transform: none; }
}