/* ==========================================================================
   나르샤 CHICKEN & HOF — 브랜드 아이덴티티 케이스
   강디자인

   설계 근거
   - 이 케이스는 '시공'에 관한 것이다. 앞 여섯 케이스에는 없던 자산이 있다 —
     마크가 실제로 벽에 붙고 간판에 달리고 밤에 켜진 사진.
   - 그래서 지면이 밤이다. 앞 케이스들의 바탕은 전부 빛을 '받는' 표면이었다
     (종이·작업대·원단·유약). 나르샤만 마크가 스스로 '낸다'.
   - 색은 승인 로고 실측 세 색과 야간 사진 실측 두 값만 쓴다. 지어낸 색이 없다.
   ========================================================================== */

body[data-narsha-project='true'] { background: #190c0d; }

body[data-narsha-project='true'] .case__study__slices {
  display: block; width: 100%; max-width: none; padding: 0; gap: 0;
}
body[data-narsha-project='true'] .case__study__info { display: none; }

.narsha-site-host { grid-column: 1 / -1; width: 100%; margin: 0; padding: 0; }

.narsha-case {
  /* 승인 로고 실측 — 잉크 62.2% / 주황 32.4% / 볏 빨강 4.9% */
  --ink: #201820;
  --orange: #f08818;
  --red: #e81820;

  /* 야간 사진 실측 — 간판 면과 최암부 */
  --panel: #40342c;   /* 마크가 올라앉은 벽돌 질감 간판 면 */
  --night: #190c0d;   /* 밤 그 자체 */

  --lit: #ffffff;
  --lit-72: rgba(255, 255, 255, 0.72);
  --lit-52: rgba(255, 255, 255, 0.52);
  --lit-28: rgba(255, 255, 255, 0.28);
  --rule: rgba(255, 255, 255, 0.16);
  --rule-soft: rgba(255, 255, 255, 0.08);

  --gutter: clamp(20px, 5.4vw, 112px);
  --stack: clamp(58px, 8.2vw, 148px);

  --sans: 'Pretendard', 'Pretendard Variable', -apple-system, BlinkMacSystemFont,
          'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, monospace;

  font-family: var(--sans);
  display: block; width: 100%;
  background: var(--night); color: var(--lit);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  word-break: keep-all;
}

.narsha-case *, .narsha-case *::before, .narsha-case *::after { box-sizing: border-box; }
.narsha-case img, .narsha-case video { display: block; max-width: 100%; }
.narsha-case .sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ── 장면 골격 ─────────────────────────────────────────────── */
.narsha-case .scene {
  position: relative; padding: var(--stack) var(--gutter);
  background: var(--night); border-top: 1px solid var(--rule-soft); overflow: hidden;
}
.narsha-case .scene:first-child { border-top: 0; }
/* 간판 면 위에 얹히는 장면 — 밤보다 한 단계 밝다 */
.narsha-case .scene.on-panel { background: var(--panel); border-top-color: transparent; }
.narsha-case .scene-shell { width: 100%; max-width: 1520px; margin: 0 auto; }

.narsha-case .scene-index {
  position: absolute; top: clamp(20px, 3vw, 46px); left: var(--gutter);
  font-family: var(--mono); font-size: clamp(11px, 0.86vw, 13px);
  letter-spacing: 0.2em; color: var(--lit-28); font-variant-numeric: tabular-nums;
}

/* ── 타이포 ────────────────────────────────────────────────── */
.narsha-case h2 {
  font-size: clamp(26px, 3.3vw, 58px); line-height: 1.26;
  letter-spacing: -0.024em; font-weight: 700; margin: 0; color: var(--lit);
}
.narsha-case h3 { font-size: clamp(16px, 1.4vw, 24px); line-height: 1.38; font-weight: 600; margin: 0; }
.narsha-case p { margin: 0; }
.narsha-case .lead {
  font-size: clamp(14px, 1.14vw, 19px); line-height: 1.82;
  color: var(--lit-72); max-width: 60ch;
}
.narsha-case .lead b { color: var(--lit); font-weight: 700; }
.narsha-case .eyebrow {
  display: block; font-family: var(--mono);
  font-size: clamp(10px, 0.84vw, 13px); letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--orange); padding-bottom: clamp(12px, 1.4vw, 22px);
  margin-bottom: clamp(18px, 2.2vw, 34px); border-bottom: 1px solid var(--rule);
}
.narsha-case .section-head { max-width: 76ch; }
.narsha-case .section-head .lead { margin-top: clamp(16px, 1.9vw, 30px); }

/* ── 01 히어로 ─────────────────────────────────────────────── */
.narsha-case .scene-hero {
  min-height: 100svh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  gap: clamp(26px, 3.4vw, 54px); padding-block: clamp(92px, 12vw, 176px);
}
/* 히어로 마크는 밤에 켜져 있어야 한다 — 주황 후광을 깐다 */
.narsha-case .hero-mark {
  width: min(66vw, 620px); height: auto;
  filter: drop-shadow(0 0 34px rgba(240, 136, 24, 0.42))
          drop-shadow(0 0 90px rgba(240, 136, 24, 0.20));
}
.narsha-case .hero-thesis {
  font-size: clamp(19px, 2.3vw, 40px); line-height: 1.44;
  letter-spacing: -0.024em; font-weight: 700; max-width: 24ch;
}
.narsha-case .hero-thesis em {
  font-style: normal; color: var(--orange);
}
.narsha-case .hero-sub {
  font-size: clamp(13px, 1.06vw, 18px); line-height: 1.7; color: var(--lit-52); max-width: 38ch;
}
.narsha-case .hero-meta {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: clamp(8px, 1vw, 16px); margin-top: clamp(4px, 0.8vw, 12px);
}
.narsha-case .hero-meta span {
  font-size: clamp(11px, 0.82vw, 13px); letter-spacing: 0.1em;
  padding: 0.6em 1.1em; border: 1px solid var(--rule); color: var(--lit-52);
}

/* ── 실측 수치 ─────────────────────────────────────────────── */
.narsha-case .measure {
  margin-top: clamp(30px, 3.8vw, 66px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0; border-top: 1px solid var(--rule);
}
.narsha-case .measure div {
  padding: clamp(16px, 2vw, 30px) clamp(14px, 1.6vw, 24px);
  border-bottom: 1px solid var(--rule); border-right: 1px solid var(--rule);
}
.narsha-case .measure div:last-child { border-right: 0; }
.narsha-case .measure b {
  display: block; font-family: var(--mono); font-weight: 400;
  font-size: clamp(19px, 2vw, 34px); letter-spacing: -0.01em; color: var(--orange);
}
.narsha-case .measure span {
  display: block; margin-top: 0.5em; font-size: clamp(11px, 0.86vw, 13px);
  letter-spacing: 0.06em; color: var(--lit-52); line-height: 1.6;
}

/* ── 도판 ──────────────────────────────────────────────────── */
/* 밤 지면 위의 도판은 흰 카드가 아니라 '빛나는 창'이어야 한다.
   그래서 흰 바탕 대신 사진·인쇄면을 그대로 두고 테두리만 얇게 준다. */
.narsha-case .plates {
  margin-top: clamp(32px, 4.2vw, 74px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: clamp(14px, 1.8vw, 30px);
}
.narsha-case .plates figure { margin: 0; min-width: 0; }
.narsha-case .plates .frame {
  background: #0f0709; border: 1px solid var(--rule);
  aspect-ratio: 4 / 3; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.narsha-case .plates .frame.tall { aspect-ratio: 3 / 4; }
.narsha-case .plates .frame.wide { aspect-ratio: 16 / 9; }
.narsha-case .plates .frame.free { aspect-ratio: auto; }
.narsha-case .plates .frame.paper { background: #ffffff; }
.narsha-case .plates .frame img { width: 100%; height: 100%; object-fit: cover; }
.narsha-case .plates .frame.free img { height: auto; object-fit: contain; }
.narsha-case .plates .frame.contain img { object-fit: contain; }
.narsha-case .plates figcaption {
  margin-top: 0.75em; font-size: clamp(11px, 0.88vw, 14px); color: var(--lit-52); line-height: 1.55;
}
.narsha-case .plates figcaption .tag {
  display: inline-block; margin-right: 0.5em; padding: 0.12em 0.5em;
  border: 1px solid var(--rule); font-family: var(--mono);
  font-size: 0.86em; color: var(--lit-52);
}

/* ── 시공 — 큰 한 장 ───────────────────────────────────────── */
.narsha-case .install {
  margin-top: clamp(30px, 3.8vw, 64px);
  border: 1px solid var(--rule); overflow: hidden; background: #0f0709;
}
.narsha-case .install img { width: 100%; height: auto; }
.narsha-case .install-note {
  margin-top: clamp(12px, 1.5vw, 22px); padding-top: clamp(12px, 1.5vw, 22px);
  border-top: 1px solid var(--rule);
  display: flex; flex-wrap: wrap; align-items: baseline; gap: clamp(10px, 1.4vw, 26px);
}
.narsha-case .install-note strong { font-size: clamp(14px, 1.24vw, 21px); font-weight: 700; }
.narsha-case .install-note span { font-size: clamp(11px, 0.94vw, 15px); color: var(--lit-52); }

/* ── 적용 위치 목록 ────────────────────────────────────────── */
.narsha-case .where {
  margin-top: clamp(30px, 3.8vw, 62px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: clamp(10px, 1.3vw, 20px);
}
.narsha-case .where div {
  padding: clamp(14px, 1.8vw, 24px);
  border: 1px solid var(--rule); background: rgba(255, 255, 255, 0.02);
}
.narsha-case .where b {
  display: block; font-family: var(--mono); font-size: clamp(11px, 0.9vw, 14px);
  letter-spacing: 0.14em; color: var(--orange);
}
.narsha-case .where span {
  display: block; margin-top: 0.6em; font-size: clamp(11px, 0.96vw, 15px);
  line-height: 1.62; color: var(--lit-72);
}

/* ── 로고 변형 ─────────────────────────────────────────────── */
.narsha-case .variants {
  margin-top: clamp(30px, 3.8vw, 66px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(12px, 1.5vw, 24px);
}
.narsha-case .variants figure { margin: 0; min-width: 0; }
.narsha-case .variants .cell {
  border: 1px solid var(--rule); aspect-ratio: 5 / 3;
  display: flex; align-items: center; justify-content: center;
  padding: clamp(16px, 2vw, 30px);
}
.narsha-case .variants .cell.on-night { background: var(--night); }
.narsha-case .variants .cell.on-panel { background: var(--panel); }
.narsha-case .variants .cell.on-paper { background: #ffffff; }
.narsha-case .variants .cell img { width: 100%; height: 100%; object-fit: contain; }
.narsha-case .variants figcaption {
  margin-top: 0.7em; font-size: clamp(11px, 0.86vw, 13px); color: var(--lit-52); line-height: 1.5;
}

/* ── 색 ────────────────────────────────────────────────────── */
.narsha-case .swatches {
  margin-top: clamp(30px, 3.8vw, 66px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: clamp(10px, 1.2vw, 20px);
}
.narsha-case .swatch i { display: block; height: clamp(84px, 8.6vw, 148px); border: 1px solid var(--rule); }
.narsha-case .swatch b { display: block; margin-top: 0.8em; font-size: clamp(12px, 1vw, 16px); font-weight: 600; }
.narsha-case .swatch code {
  display: block; margin-top: 0.3em; font-family: var(--mono);
  font-size: clamp(10px, 0.82vw, 13px); color: var(--lit-52);
}
.narsha-case .swatch em {
  display: block; margin-top: 0.32em; font-style: normal;
  font-size: clamp(11px, 0.8vw, 12px); color: var(--lit-28);
}

/* ── 모션 ──────────────────────────────────────────────────── */
.narsha-case .motion-stage { margin-top: clamp(28px, 3.6vw, 62px); }
.narsha-case .motion-stage video {
  width: 100%; height: auto; background: var(--night); border: 1px solid var(--rule);
}
.narsha-case .motion-note {
  margin-top: clamp(13px, 1.6vw, 24px); padding-top: clamp(13px, 1.6vw, 24px);
  border-top: 1px solid var(--rule);
  display: flex; flex-wrap: wrap; align-items: baseline; gap: clamp(10px, 1.4vw, 26px);
}
.narsha-case .motion-note strong { font-size: clamp(14px, 1.24vw, 21px); font-weight: 700; }
.narsha-case .motion-note span { font-size: clamp(11px, 0.94vw, 15px); color: var(--lit-52); }

/* ── 클로징 ────────────────────────────────────────────────── */
.narsha-case .scene-closing {
  min-height: 90svh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  gap: clamp(24px, 3.2vw, 50px);
}
.narsha-case .closing-line {
  font-size: clamp(18px, 2.1vw, 38px); line-height: 1.42;
  letter-spacing: -0.024em; font-weight: 700; max-width: 26ch;
}
.narsha-case .case-footer {
  margin-top: clamp(28px, 3.6vw, 60px); padding-top: clamp(16px, 2vw, 30px);
  border-top: 1px solid var(--rule); width: min(100%, 880px);
  font-size: clamp(11px, 0.86vw, 13px); line-height: 1.74; color: var(--lit-52);
}

/* ── 진입 애니메이션 ───────────────────────────────────────── */
.narsha-case [data-reveal] {
  opacity: 0; transform: translate3d(0, 22px, 0);
  transition: opacity 0.86s cubic-bezier(0.22, 0.61, 0.36, 1),
              transform 0.86s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: opacity, transform;
}
.narsha-case [data-reveal].is-in { opacity: 1; transform: none; }
.narsha-case [data-reveal][data-delay='1'] { transition-delay: 0.07s; }
.narsha-case [data-reveal][data-delay='2'] { transition-delay: 0.14s; }
.narsha-case [data-reveal][data-delay='3'] { transition-delay: 0.21s; }

@media (prefers-reduced-motion: reduce) {
  .narsha-case [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ── 반응형 ────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .narsha-case .plates { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 720px) {
  .narsha-case .scene { padding: clamp(52px, 15vw, 84px) 20px; }
  .narsha-case .scene-index { left: 20px; }
  .narsha-case .measure, .narsha-case .swatches,
  .narsha-case .where, .narsha-case .variants { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .narsha-case .measure div:nth-child(2n) { border-right: 0; }
  .narsha-case .hero-mark { width: 84vw; }
}

/* === 그림 자리 예약 (CLS) — 자동 생성. 없으면 지연 로딩 때 아래가 밀린다 === */
img[src$="/narsha-case-assets/app-banner-delivery.jpg"],
img[src$="/narsha-case-assets/app-banner-squid.jpg"],
img[src$="/narsha-case-assets/app-banner-crispy.jpg"] { aspect-ratio: 673/2000; }
img[src$="/narsha-case-assets/site-hall-booth-r2.jpg"],
img[src$="/narsha-case-assets/site-menuboard-r2.jpg"] { aspect-ratio: 970/647; }
img[src$="/narsha-case-assets/site-food-crispy.jpg"],
img[src$="/narsha-case-assets/site-food-yangnyeom.jpg"] { aspect-ratio: 267/400; }
img[src$="/leaderin-case-assets-v2/symbol-final.svg"] { aspect-ratio: 37/24; }
img[src$="/narsha-case-assets/mark-keyline.png"] { aspect-ratio: 300/71; }
img[src$="/narsha-case-assets/mark-badge-keyline.png"] { aspect-ratio: 1439/1173; }
img[src$="/narsha-case-assets/mark-signature-r2.png"] { aspect-ratio: 60/13; }
img[src$="/narsha-case-assets/mark-badge-red.png"] { aspect-ratio: 1405/1228; }
img[src$="/narsha-case-assets/site-sign-night-r2.jpg"] { aspect-ratio: 3018/640; }
img[src$="/narsha-case-assets/app-menu-r2.jpg"] { aspect-ratio: 356/287; }
img[src$="/narsha-case-assets/app-menu-drink-r2.jpg"] { aspect-ratio: 712/553; }
img[src$="/narsha-case-assets/app-lightbox-r2.jpg"] { aspect-ratio: 89/65; }
img[src$="/narsha-case-assets/app-glass-front-r2.jpg"] { aspect-ratio: 712/907; }
img[src$="/narsha-case-assets/app-glass-4set.jpg"] { aspect-ratio: 1000/391; }
img[src$="/narsha-case-assets/app-box-die.jpg"] { aspect-ratio: 200/147; }
img[src$="/narsha-case-assets/app-banner-draft.jpg"] { aspect-ratio: 349/1000; }
img[src$="/narsha-case-assets/app-banner-open.jpg"] { aspect-ratio: 400/89; }
img[src$="/narsha-case-assets/app-airsign.jpg"] { aspect-ratio: 993/1000; }
img[src$="/narsha-case-assets/app-card-r2.jpg"] { aspect-ratio: 178/101; }
img[src$="/narsha-case-assets/app-coupon-r2.jpg"] { aspect-ratio: 712/821; }
img[src$="/narsha-case-assets/app-wrap-r2.jpg"] { aspect-ratio: 178/199; }
img[src$="/narsha-case-assets/app-sticker-r2.jpg"] { aspect-ratio: 712/331; }
img[src$="/narsha-case-assets/app-magnet.jpg"] { aspect-ratio: 279/400; }
img[src$="/narsha-case-assets/app-flyer-open.jpg"] { aspect-ratio: 11/15; }
img[src$="/narsha-case-assets/app-flyer-delivery.jpg"] { aspect-ratio: 983/1213; }
img[src$="/narsha-case-assets/site-exterior-night-r2.jpg"] { aspect-ratio: 2914/1398; }
img[src$="/narsha-case-assets/site-mark-wall.jpg"] { aspect-ratio: 125/93; }
img[src$="/narsha-case-assets/site-counter.jpg"] { aspect-ratio: 2000/883; }
img[src$="/narsha-case-assets/site-hall-wide.jpg"] { aspect-ratio: 2000/1333; }
img[src$="/narsha-case-assets/site-hall-slat.jpg"] { aspect-ratio: 2000/1593; }
img[src$="/narsha-case-assets/site-hall-tap-r2.jpg"] { aspect-ratio: 485/443; }
img[src$="/narsha-case-assets/site-food-dakbal-r2.jpg"] { aspect-ratio: 485/273; }