html[lang="en"] .case-block h2,
html[lang="en"] .case-end h2 {
  font-family: var(--font-display);
}

html[lang="zh-TW"] .case-block h2,
html[lang="zh-TW"] .case-end h2 {
  font-family: var(--font-body);
}

.case-hero {
  padding: 48px 0 56px;
}

.case-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-60);
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 12px 0 18px;
}

.case-title {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4.6vw, 3.6rem);
  letter-spacing: -0.035em;
  line-height: 1.15;
  font-weight: 700;
}

.case-lede {
  margin: 0 0 28px;
  max-width: 36em;
  color: var(--ink-60);
  font-size: 1.05rem;
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 14px 0;
}

.case-meta span {
  color: var(--ink-60);
}

.case-meta strong {
  color: var(--ink);
  font-weight: 500;
}

.case-block {
  padding: 72px 0;
}

.case-block h2 {
  margin: 0 0 16px;
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  letter-spacing: -0.02em;
}

.case-block p {
  margin: 0;
  max-width: 42em;
  color: var(--ink);
  font-size: 1.05rem;
}

.case-block p.case-flow {
  margin-top: 27px;
  max-width: none;
}

.case-figure {
  position: relative;
  padding: 0;
}

.case-frame {
  position: relative;
  z-index: 1;
  border: 1px solid var(--ink);
  padding: 10px;
  background: var(--surface);
}

.callout {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: min(300px, 60%);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  pointer-events: none;
}

html.js:not(.reduce-motion) .callout {
  opacity: 0;
}

.callout-box {
  border: 1px solid var(--ink);
  background: var(--paper);
  padding: 8px 10px;
  box-shadow: 0 6px 18px oklch(0% 0 0 / 0.5);
}

.callout i {
  display: block;
  height: 1px;
  width: 28px;
  background: var(--accent);
  flex: 0 0 auto;
}

.callout-1 { top: 12px; left: 12px; }
.callout-2 { top: 12px; right: 12px; }
.callout-3 { bottom: 12px; left: 12px; }
.callout-4 { bottom: 12px; right: 12px; }

.feat-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
}

.feat {
  border: 1px solid var(--ink);
  background: var(--surface);
  padding: 18px 16px;
  position: relative;
}

.feat-id {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 10px;
}

.feat h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.feat p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-60);
}

.outcome-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.outcome-list li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line-mid);
}

.outcome-list li:last-child {
  border-bottom: 1px solid var(--line-mid);
}

.outcome-id {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.case-end {
  padding: 80px 0;
  background-color: var(--dark);
  background-image:
    linear-gradient(var(--line-inv) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-inv) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  color: var(--on-dark);
}

.case-end h2 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: -0.03em;
}

.case-end p {
  margin: 0 0 24px;
  color: var(--paper-60);
}

.case-end .btn-solid {
  background: var(--on-dark);
  color: var(--in-on-dark);
  border-color: var(--on-dark);
}

.case-end .btn-solid:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.reduce-motion .callout {
  opacity: 1;
}

@media (max-width: 767px) {
  .case-end {
    background-position: 16px var(--grid-shift-y, 0px);
  }

  .feat-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  /* 方塊共用一條邊綫,不再分離 */
  .feat + .feat {
    margin-top: -1px;
  }

  .outcome-list li {
    grid-template-columns: 1fr;
  }

  .callout {
    display: none;
  }
}