/* ============================================
   work.css — Case Study Layout
   ============================================ */

.work-page { padding-top: var(--nav-h); }

/* ── 커버 이미지 ── */
.work-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  background: transparent;
}
.work-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}
.work-cover-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 65%, rgba(245,242,236,0.55) 100%);
}

/* ── 프로젝트 인트로 ── */
.work-intro { padding: 64px 80px 0; }
.work-intro-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
  display: block;
  margin-bottom: 20px;
}
.work-intro-title {
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 20px;
}
.work-intro-sub {
  font-size: clamp(18px, 2.5vw, 28px);
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.3;
  margin-bottom: 28px;
  display: block;
}
.work-intro-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.85;
  max-width: 580px;
  font-weight: 400;
}

/* ── 메타 바 ── */
.work-meta-bar {
  padding: 0 80px;
  margin: 48px 0 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.work-meta-item {
  padding: 28px 24px 28px 0;
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
  border-right: 0.5px solid var(--border);
}
.work-meta-item:last-child { border-right: none; }
.work-meta-label {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}
.work-meta-value {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.65;
  font-weight: 400;
}

/* ── 본문 2컬럼 ── */
.work-body { padding: 0 80px; }

.work-section {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 80px;
  padding: 72px 0;
  border-bottom: 0.5px solid var(--border);
}
.work-section:last-child { border-bottom: none; }

.section-sticky {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  height: fit-content;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.section-num { font-size: 10px; letter-spacing: 0.18em; color: var(--text-muted); text-transform: uppercase; }
.section-label { font-size: 10px; letter-spacing: 0.18em; color: var(--accent-green); text-transform: uppercase; }

.section-content h2 {
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-bottom: 24px;
}
.section-content h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.4;
  margin: 32px 0 10px;
}
.section-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
  font-weight: 400;
}
.section-content p:last-child { margin-bottom: 0; }
.section-content p strong { color: var(--text-primary); font-weight: 500; }

/* ── 인사이트 박스 ── */
.insight-box {
  background: rgba(20, 18, 16, 0.03);
  border-left: 2px solid var(--accent-green);
  padding: 20px 24px;
  margin: 24px 0;
}
.insight-box p { font-size: 14px !important; color: var(--text-primary) !important; line-height: 1.8 !important; margin: 0 !important; }

/* ── 판단 리스트 ── */
.decision-list { list-style: none; margin: 24px 0 0; }
.decision-list li {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 18px 0;
  border-bottom: 0.5px solid var(--border);
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}
.decision-list li:first-child { border-top: 0.5px solid var(--border); }
.decision-list li strong { color: var(--text-primary); font-weight: 500; }
.decision-list li > div { flex: 1; min-width: 0; }

.decision-tag {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 2px;
  display: inline-block;
}
.decision-tag.do   { background: rgba(26,107,58,0.12); color: #1a6b3a; border: 1px solid rgba(26,107,58,0.25); }
.decision-tag.dont { background: rgba(180,40,40,0.08); color: #b42828; border: 1px solid rgba(180,40,40,0.2); }
.decision-tag.why  { background: rgba(20,18,16,0.07); color: var(--text-secondary); border: 1px solid var(--border-hover); }

/* ── 이미지 블록 ── */
.img-full { width: 100%; margin: 32px 0 8px; border-radius: 6px; overflow: hidden; background: var(--bg3); border: 0.5px solid var(--border); }
.img-full img { width: 100%; height: auto; display: block; }
.img-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 32px 0 8px; }
.img-2col .img-full { margin: 0; }

/* 이미지 플레이스홀더 — 16:9 비율 */
.img-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--bg3);
  border: 0.5px solid var(--border);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 32px 0 8px;
}
.ph-label { font-size: 10px; letter-spacing: 0.18em; color: var(--text-muted); text-transform: uppercase; }
.ph-note { font-size: 12px; color: var(--text-muted); opacity: 0.5; }

/* 캡션 — 이미지 아래 */
.ph-caption {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 24px;
  display: block;
}

/* ── 포인트 카드 ── */
.point-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 0.5px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin: 32px 0;
}
.point-card { background: var(--bg2); padding: 24px 20px; }
.point-card-label { font-size: 10px; letter-spacing: 0.15em; color: var(--text-muted); text-transform: uppercase; display: block; margin-bottom: 10px; }
.point-card-title { font-size: 13px; font-weight: 500; color: var(--text-primary); margin-bottom: 8px; line-height: 1.4; }
.point-card p { font-size: 12px !important; color: var(--text-muted) !important; line-height: 1.65 !important; margin: 0 !important; }

/* ── 결과 그리드 ── */
.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 0.5px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin: 32px 0;
}
.result-item { background: var(--bg); padding: 28px 24px; }
.result-label { font-size: 10px; letter-spacing: 0.15em; color: var(--text-muted); text-transform: uppercase; display: block; margin-bottom: 12px; }
.result-val { font-size: 40px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.03em; display: block; margin-bottom: 8px; line-height: 1; }
.result-desc { font-size: 12px; color: var(--text-muted); line-height: 1.65; }

/* ── 회고 그리드 ── */
.retro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.retro-col-title { font-size: 10px; letter-spacing: 0.18em; color: var(--text-muted); text-transform: uppercase; display: block; margin-bottom: 20px; padding-bottom: 14px; border-bottom: 0.5px solid var(--border); }
.retro-item { padding: 16px 0; border-bottom: 0.5px solid var(--border); }
.retro-item-title { font-size: 15px; font-weight: 700 !important; color: var(--text-primary); margin-bottom: 8px; letter-spacing: -0.02em; }
.retro-item-desc { font-size: 13px; color: var(--text-muted); line-height: 1.75; font-weight: 400; }

/* ── 하단 네비게이션 ── */
.work-nav-bottom {
  padding: 48px 80px;
  border-top: 0.5px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.work-nav-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  transition: opacity 0.2s;
  max-width: 40%;
}
.work-nav-link:hover { opacity: 0.6; }
.work-nav-link-arrow {
  font-size: 22px;
  font-weight: 300;
  color: var(--text-primary);
  line-height: 1;
  display: block;
}
.work-nav-link-title {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  line-height: 1.5;
  font-weight: 400;
}
.work-nav-link.next { text-align: right; align-items: flex-end; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .work-intro, .work-meta-bar, .work-body, .work-nav-bottom { padding-left: 48px; padding-right: 48px; }
  .work-meta-bar { grid-template-columns: repeat(2, 1fr); }
  .work-meta-item:nth-child(2) { border-right: none; }
  .work-meta-item:nth-child(3) { padding-left: 0; }
}
@media (max-width: 768px) {
  .work-page { padding-top: var(--nav-h-mobile); }
  .work-cover { height: auto; aspect-ratio: 16 / 9; }
  .work-intro, .work-meta-bar, .work-body, .work-nav-bottom { padding-left: 24px; padding-right: 24px; }
  .work-intro { padding-top: 48px; }
  .work-meta-bar { grid-template-columns: 1fr 1fr; }
  .work-meta-item { border-right: none !important; padding-right: 0; padding-left: 0 !important; }
  .work-meta-item:nth-child(odd) { padding-right: 12px; }
  .work-meta-item:nth-child(3), .work-meta-item:nth-child(4) { border-top: none; }
  .work-section { grid-template-columns: 1fr; gap: 20px; padding: 48px 0; }
  .section-sticky { position: static; flex-direction: row; gap: 8px; }
  .point-grid, .result-grid { grid-template-columns: 1fr; }
  .retro-grid { grid-template-columns: 1fr; gap: 32px; }
  .img-2col { grid-template-columns: 1fr; }
  .work-nav-bottom { padding: 36px 24px; gap: 16px; }
  .work-nav-link { max-width: 45%; }
  .work-nav-link-arrow { font-size: 20px; }
  .work-nav-link-title { font-size: 10px; }
}