/* =============================================================
   style.css — 디자인·브랜딩 스튜디오 포트폴리오
   -------------------------------------------------------------
   ⚠️ 색/폰트/간격/둥글기는 반드시 css/tokens.css 의 var(--토큰)만 사용.
   ⚠️ 생 hex 값 직접 사용 금지.
   ⚠️ 레퍼런스(shooterofficial): 거의 검정 배경 + 오렌지 포인트,
      섹션 진입 시 아래→위 페이드인 등장 애니메이션.
   ============================================================= */

/* =====================================================
   0) 기본 바탕
   ===================================================== */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-kr);
  font-size: var(--fs-body);
  line-height: 1.6;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

/* 안쪽 폭 래퍼 — 가운데 정렬 + 좌우 여백 */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* 모든 섹션 공통 위아래 여백 */
.section {
  padding-block: var(--section-y);
}

/* 섹션 제목 공통 */
.section__title {
  font-family: var(--font-kr);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-top: 14px;
  margin-bottom: clamp(36px, 5vw, 64px);
}

/* 오렌지 강조 글자 */
.accent {
  color: var(--accent);
}

/* 영문 작은 라벨 */
.eyebrow {
  display: inline-block;
  font-family: var(--font-en);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

/* =====================================================
   버튼 — pill 형태
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-kr);
  font-size: var(--fs-body);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.btn:hover {
  transform: translateY(-2px);
}

/* 오렌지 채움 */
.btn--primary {
  background: var(--accent);
  color: var(--on-accent);
}
.btn--primary:hover {
  background: var(--accent-2);
}

/* 테두리만 → 호버 시 채움 */
.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn--ghost:hover {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}

/* =====================================================
   등장 애니메이션 (data-reveal)
   화면에 들어오면 main.js가 .is-visible 추가
   ===================================================== */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur) var(--ease),
              transform var(--dur) var(--ease);
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 모션 최소화 선호 사용자 배려 */
@media (prefers-reduced-motion: reduce) {
  .js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .btn,
  .hero__slide {
    transition: none;
  }
  * {
    scroll-behavior: auto !important;
  }
}

/* =====================================================
   1) 헤더 (고정 상단)
   ===================================================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
/* 스크롤 시 그림자 추가 */
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 1px 20px rgba(0,0,0,0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: clamp(20px, 3vw, 48px);
}

/* 네비와 CTA를 오른쪽으로 밀기 */
.site-header__inner .site-nav {
  margin-left: auto;
}

.site-header__logo {
  font-family: var(--font-en);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text);
}

/* 데스크탑 네비 */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 36px);
}
.site-nav__link {
  font-family: var(--font-en);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  transition: color var(--dur) var(--ease);
}
.site-nav__link:hover {
  color: var(--text);
}

/* 모바일 메뉴 안에서만 보이는 문의 버튼 (데스크탑 숨김) */
.site-nav__cta-mobile {
  display: none;
}

/* 우측 문의 버튼 (데스크탑) */
.site-header__cta {
  padding: 10px 22px;
}

/* 햄버거 버튼 (데스크탑 숨김) */
.site-header__menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
}
.site-header__menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: var(--radius-pill);
  transition: transform var(--dur) var(--ease),
              opacity var(--dur) var(--ease);
}
/* 열림 상태(aria-expanded=true) → X 모양 */
.site-header__menu-btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.site-header__menu-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.site-header__menu-btn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =====================================================
   2) 히어로 — 풀스크린 자동 슬라이드
   ===================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  padding-block: 0;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__slides {
  position: absolute;
  inset: 0;
}

/* 슬라이드를 겹쳐 쌓고 활성만 보이게 크로스페이드 */
.hero__slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s var(--ease), visibility 1s var(--ease);
  background-size: cover;
  background-position: center;
}
.hero__slide.is-active {
  opacity: 1;
  visibility: visible;
}
/* 실사 이미지 위 텍스트 가독성을 위한 어두운 오버레이 */
.hero__slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
              rgba(10, 10, 10, 0.45) 0%,
              rgba(10, 10, 10, 0.68) 100%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-top: var(--header-h);
  max-width: 920px;
}
.hero__title {
  font-family: var(--font-kr);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-top: 18px;
  color: #FFFFFF;
}
.hero__content .eyebrow {
  color: #FFFFFF;
}
.hero__sub {
  margin-top: 22px;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: rgba(255, 255, 255, 0.75);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

/* 점 인디케이터 */
.hero__dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: clamp(28px, 5vh, 56px);
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: 12px;
}
.hero__dots button,
.hero__dots .hero__dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: none;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: background var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.hero__dots button.is-active,
.hero__dots .hero__dot.is-active,
.hero__dots [aria-current="true"] {
  background: #FFFFFF;
  transform: scale(1.25);
}

/* 히어로 위 버튼 — 흰 바탕이 아닌 어두운 사진 위 */
.hero .btn--ghost {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.5);
}
.hero .btn--ghost:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

/* =====================================================
   3) intro — WHY US
   ===================================================== */
.intro__lead {
  font-family: var(--font-kr);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-top: 16px;
  max-width: 18em;
}
.intro__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 24px);
  margin-top: clamp(40px, 6vw, 72px);
}
/* 떠다니는 카드 */
.float-card {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 160px;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  color: var(--text-muted);
  font-size: var(--fs-h3);
  font-weight: 600;
}

/* =====================================================
   4) approach — HOW WE WORK
   ===================================================== */
.approach__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 2vw, 24px);
}
.step-card {
  padding: clamp(24px, 3vw, 34px);
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  transition: border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.step-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}
.step-card__num {
  display: block;
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.step-card__title {
  font-size: var(--fs-h3);
  font-weight: 700;
  margin-top: 18px;
}
.step-card__desc {
  margin-top: 10px;
  color: var(--text-muted);
}

/* =====================================================
   5) philosophy — 가운데 큰 문구
   ===================================================== */
.philosophy {
  text-align: center;
}
.philosophy__lead {
  font-family: var(--font-kr);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  max-width: 22em;
  margin-inline: auto;
}

/* =====================================================
   6) partners — 로고 칩
   ===================================================== */
.partners__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(12px, 1.6vw, 20px);
  margin-top: clamp(28px, 4vw, 48px);
}
.logo-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 92px;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  font-family: var(--font-en);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  transition: color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}
.logo-chip:hover {
  color: var(--text-muted);
  border-color: var(--border-strong);
}
.logo-chip img {
  max-width: 100%;
  max-height: 44px;
  object-fit: contain;
}

/* =====================================================
   7) banner — 풀폭 어두운 배경 위 오버레이 제목
   ===================================================== */
.banner {
  position: relative;
  background-size: cover;
  background-position: center;
  text-align: center;
}
.banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.5);
}
.banner .container {
  position: relative;
  z-index: 1;
}
.banner__title {
  font-family: var(--font-kr);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  max-width: 20em;
  margin-inline: auto;
}

/* =====================================================
   8) about — 좌우 2블록
   ===================================================== */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  margin-top: clamp(28px, 4vw, 48px);
}
.about__heading {
  font-family: var(--font-en);
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.about__text {
  color: var(--text-muted);
  line-height: 1.8;
}

/* =====================================================
   9) services — 3×2 그리드
   ===================================================== */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 24px);
}
.service-card {
  padding: clamp(26px, 3vw, 38px);
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  transition: border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.service-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}
.service-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  background: var(--bg-elev-2);
  color: var(--accent);
  margin-bottom: 20px;
}
.service-card__title {
  font-family: var(--font-en);
  font-size: var(--fs-h3);
  font-weight: 700;
}
.service-card__desc {
  margin-top: 10px;
  color: var(--text-muted);
}

/* =====================================================
   10) work-branding — 3×2 카드
   ===================================================== */
.work-branding__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 28px);
}
.work-card {
  display: block;
}
.work-card__thumb {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-lg);
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform var(--dur) var(--ease);
}
.work-card:hover .work-card__thumb {
  transform: translateY(-4px);
}
.work-card__name {
  font-size: var(--fs-h3);
  font-weight: 700;
  margin-top: 18px;
}
.work-card__cat {
  margin-top: 6px;
  font-size: 0.9rem;
  color: var(--accent);
}
.work-branding__more {
  margin-top: clamp(36px, 5vw, 56px);
  text-align: center;
}

/* =====================================================
   11) work-detail — 가로 드래그 갤러리
   ===================================================== */
/* 공통: 가로 드래그 스크롤 */
[data-drag-scroll] {
  display: flex;
  gap: clamp(16px, 2vw, 24px);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  cursor: grab;
  padding-inline: var(--gutter);
  padding-block: 8px;
  scrollbar-width: none;          /* Firefox */
}
[data-drag-scroll]::-webkit-scrollbar {
  display: none;                  /* Chrome/Safari */
}
[data-drag-scroll].is-dragging {
  cursor: grabbing;
  scroll-snap-type: none;
}
[data-drag-scroll] > * {
  scroll-snap-align: start;
  flex: 0 0 auto;
}

.work-detail__gallery {
  margin-top: clamp(24px, 3vw, 40px);
}
/* 세로형 카드 9:16 */
.detail-card {
  position: relative;
  width: clamp(220px, 26vw, 300px);
  aspect-ratio: 9 / 16;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.detail-card__name {
  position: absolute;
  left: 20px;
  bottom: 20px;
  font-weight: 700;
  font-size: var(--fs-h3);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}
.work-detail__more {
  margin-top: clamp(28px, 4vw, 44px);
  text-align: center;
}

/* =====================================================
   12) work-photo — 이미지 그리드
   ===================================================== */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(12px, 1.6vw, 20px);
}
.photo-item {
  display: block;
}
.photo-cell {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background-size: cover;
  background-position: center;
  transition: transform var(--dur) var(--ease);
}
.photo-cell:hover {
  transform: scale(1.02);
}
.photo-name {
  font-size: var(--fs-h3);
  font-weight: 700;
  margin-top: 18px;
}
.photo-cat {
  margin-top: 6px;
  font-size: 0.9rem;
  color: var(--accent);
}

/* =====================================================
   Film 그리드
   ===================================================== */
.film-grid {
  margin-top: clamp(24px, 3vw, 40px);
}
.film-card {
  position: relative;
  aspect-ratio: 9 / 16;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  background-size: cover;
  background-position: center;
  transition: transform var(--dur) var(--ease);
}
.film-card:hover {
  transform: translateY(-4px);
}

/* =====================================================
   Detail page 오버레이 카드 (9:16 비율)
   ===================================================== */
.detail-overlay-card {
  position: relative;
  aspect-ratio: 9 / 16;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  background-size: cover;
  background-position: center;
  transition: transform var(--dur) var(--ease);
}
.detail-overlay-card:hover {
  transform: translateY(-4px);
}
.detail-overlay-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.45) 0%, rgba(0,0,0,0.15) 50%, transparent 100%);
  transition: background var(--dur) var(--ease);
}
.detail-overlay-card:hover .detail-overlay-card__overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.25) 60%, rgba(0,0,0,0.05) 100%);
}
.detail-overlay-card__text {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 28px;
}
.detail-overlay-card__sub {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.detail-overlay-card__title {
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
}

/* =====================================================
   13) testimonials — 가로 드래그 후기 카드
   ===================================================== */
.testimonials__gallery {
  margin-top: clamp(24px, 3vw, 40px);
}
.testi-card {
  width: clamp(280px, 32vw, 380px);
  padding: clamp(28px, 3vw, 38px);
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
  border: 1px solid var(--border);
}
.testi-card__stars {
  color: var(--accent);
  letter-spacing: 0.15em;
  font-size: 1.05rem;
}
.testi-card__text {
  margin-top: 16px;
  line-height: 1.75;
  color: var(--text);
}
.testi-card__author {
  margin-top: 18px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* =====================================================
   14) cta — 가운데 정렬
   ===================================================== */
.cta {
  background: var(--bg-elev);
  text-align: center;
}
.cta__title {
  font-family: var(--font-kr);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.cta__sub {
  margin-top: 18px;
  color: var(--text-muted);
  max-width: 30em;
  margin-inline: auto;
}
.cta__action {
  margin-top: 34px;
}

/* =====================================================
   15) faq — 아코디언
   ===================================================== */
.faq__list {
  max-width: 820px;
  margin-inline: auto;
}
.faq__item {
  border-bottom: 1px solid var(--border);
}
.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  padding: clamp(20px, 2.4vw, 28px) 0;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  font-family: var(--font-kr);
  font-size: var(--fs-h3);
  font-weight: 600;
  transition: color var(--dur) var(--ease);
}
.faq__q:hover {
  color: var(--accent);
}
/* +/- 아이콘 */
.faq__icon {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
}
.faq__icon::before,
.faq__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 2px;
  background: var(--accent);
  transform: translate(-50%, -50%);
  transition: transform var(--dur) var(--ease),
              opacity var(--dur) var(--ease);
}
.faq__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
/* 펼침 상태: 세로획 숨겨 - 모양 */
.faq__q[aria-expanded="true"] .faq__icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(0deg);
}

/* 답 박스 — 기본 닫힘 */
.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur) var(--ease);
}
.faq__a p {
  padding-bottom: clamp(20px, 2.4vw, 28px);
  color: var(--text-muted);
  line-height: 1.8;
}
/* 펼침 — main.js가 트리거 aria-expanded=true로 토글.
   인접 형제 .faq__a 를 열어준다. */
.faq__q[aria-expanded="true"] + .faq__a {
  max-height: 480px;
}
/* main.js가 항목에 .is-open 을 붙이는 경우도 대비 */
.faq__item.is-open .faq__a {
  max-height: 480px;
}

/* =====================================================
   16) 푸터
   ===================================================== */
.site-footer {
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  padding-block: clamp(48px, 6vw, 80px) 32px;
}
.site-footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1.4fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}
.site-footer__logo {
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.site-footer__tagline {
  margin-top: 10px;
  color: var(--text-muted);
}
.site-footer__biz {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.9;
}
.site-footer__nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.site-footer__nav a {
  color: var(--text-muted);
  font-family: var(--font-en);
  font-size: 0.92rem;
  font-weight: 600;
  transition: color var(--dur) var(--ease);
}
.site-footer__nav a:hover {
  color: var(--text);
}
.site-footer__meta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(28px, 3vw, 40px);
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.site-footer__links a,
.site-footer__social a {
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: color var(--dur) var(--ease);
}
.site-footer__links a:hover,
.site-footer__social a:hover {
  color: var(--accent);
}
.site-footer__copy {
  margin-top: 24px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.82rem;
}

/* =====================================================
   추가) 우하단 떠있는 둥근 문의 버튼
   ===================================================== */
.float-chat {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(16px, 3vw, 32px);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-pill);
  background: #FEE500;
  color: #3C1E1E;
  box-shadow: var(--shadow);
  transition: background var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.float-chat:hover {
  background: #f5da00;
  transform: translateY(-3px);
}

/* =====================================================
   반응형 — 태블릿
   ===================================================== */
@media (max-width: 1024px) {
  .approach__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .partners__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* =====================================================
   반응형 — 모바일 (≤768px)
   ===================================================== */
@media (max-width: 768px) {
  /* --- 헤더: 햄버거 노출, 데스크탑 네비 → 풀스크린 드롭 --- */
  .site-header__cta {
    display: none;
  }
  .site-header__menu-btn {
    display: flex;
  }
  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px var(--gutter) 28px;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--dur) var(--ease),
                transform var(--dur) var(--ease),
                visibility var(--dur) var(--ease);
  }
  /* 열림 상태 — main.js가 .is-open 부여(요소/헤더 어느쪽이든 대응) */
  .site-nav.is-open,
  .site-header.is-menu-open .site-nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .site-nav__link {
    padding: 14px 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border);
  }
  .site-nav__cta-mobile {
    display: inline-flex;
    margin-top: 18px;
  }

  /* --- 히어로 --- */
  .hero__actions .btn {
    flex: 1 1 auto;
  }

  /* --- 그리드 전부 1열 --- */
  .intro__cards,
  .approach__grid,
  .services__grid,
  .work-branding__grid,
  .about__grid {
    grid-template-columns: 1fr;
  }
  .photo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .partners__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* --- 푸터 1열 --- */
  .site-footer__inner {
    grid-template-columns: 1fr;
  }
  .site-footer__meta {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* =====================================================
   멀티페이지 v2 — 카테고리/작업 페이지 전용 (append)
   ===================================================== */

/* ---- 카테고리 인트로 (고정 헤더 아래 충분한 상단 여백) ---- */
.cat-intro {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: calc(var(--header-h) + clamp(48px, 8vh, 120px)) var(--gutter)
           clamp(28px, 4vw, 48px);
}
.cat-intro__title {
  margin-top: 16px;
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1.1;
}
.cat-intro__desc {
  margin-top: 18px;
  max-width: 56ch;
  color: var(--text-muted);
  font-size: var(--fs-body);
  line-height: 1.7;
}

/* ---- 카테고리 작업 영역 ---- */
.cat-works {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(8px, 2vw, 24px) var(--gutter) clamp(120px, 18vh, 200px);
}
.cat-works__label {
  display: block;
  margin-bottom: clamp(20px, 3vw, 36px);
  font-family: var(--font-en);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.cat-works__title {
  font-size: var(--fs-h3);
  font-weight: 700;
  margin-bottom: clamp(24px, 3vw, 40px);
  color: var(--text);
}
.cat-label {
  display: block;
  margin-bottom: clamp(20px, 3vw, 36px);
  font-family: var(--font-en);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ---- 작업 그리드 (3열 / 태블릿 2열 / 모바일 1열) ---- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.2vw, 32px);
}
/* 세로 영상 그리드 (9:16) */
.cat-grid[data-works-grid="short"] {
  grid-template-columns: repeat(1, 1fr);
}

/* 가로 영상 그리드 (16:9) */
.cat-grid[data-works-grid="horizontal"] {
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

/* ---- 작업 카드 (전체가 링크) ---- */
.work-link {
  display: block;
  border-radius: var(--radius-lg);
}
.work-link__thumb {
  display: block;
  position: relative;
  aspect-ratio: 4 / 5;            /* 기본 = photo형 */
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--bg-elev);
  background-size: cover;
  background-position: center;
  transition: transform var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.work-link__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur) var(--ease);
}

/* 카드 썸네일에 텍스트 가독성을 위한 밝은 그라데이션 오버레이 */
.work-link__thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.12) 50%, transparent 100%);
  pointer-events: none;
  transition: background var(--dur) var(--ease);
}
/* 오버레이형(9:16) — 영상/상세페이지 */
.work-link[data-kind="overlay"] .work-link__thumb,
.work-link--overlay .work-link__thumb,
.work-link__thumb--overlay,
.cat-grid[data-kind="overlay"] .work-link__thumb {
  aspect-ratio: 9 / 16;
}
/* 포토형(4:5) — 사진 (기본값과 동일, 명시 대응) */
.work-link[data-kind="photo"] .work-link__thumb,
.work-link--photo .work-link__thumb,
.work-link__thumb--photo,
.cat-grid[data-kind="photo"] .work-link__thumb {
  aspect-ratio: 4 / 5;
}
/* 세로 영상 (9:16) — film 페이지의 short 그리드 */
.cat-grid[data-kind="overlay"][data-works-grid="short"] .work-link__thumb {
  aspect-ratio: 9 / 16;
}
/* 가로 영상 (16:9) — film 페이지의 horizontal 그리드 */
.cat-grid[data-kind="overlay"][data-works-grid="horizontal"] .work-link__thumb {
  aspect-ratio: 16 / 9;
}
.work-link:hover .work-link__thumb {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}
.work-link:hover .work-link__img {
  transform: scale(1.04);
}
.work-link__title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--text);
  transition: color var(--dur) var(--ease);
}
.work-link__title::after {
  content: "→";
  font-family: var(--font-en);
  color: var(--accent);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.work-link:hover .work-link__title {
  color: var(--accent);
}
.work-link:hover .work-link__title::after {
  opacity: 1;
  transform: translateX(0);
}

/* ---- 스켈레톤 로딩 (shimmer) ---- */
.cat-skel {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  background: linear-gradient(
    100deg,
    var(--bg-elev) 30%,
    var(--bg-elev-2) 50%,
    var(--bg-elev) 70%
  );
  background-size: 200% 100%;
  animation: catShimmer 1.4s var(--ease) infinite;
}
.cat-grid[data-kind="overlay"] .cat-skel,
.cat-skel--overlay {
  aspect-ratio: 9 / 16;
}
.cat-grid[data-kind="photo"] .cat-skel,
.cat-skel--photo {
  aspect-ratio: 4 / 5;
}
/* 세로 영상 스켈레톤 (9:16) */
.cat-grid[data-kind="overlay"][data-works-grid="short"] .cat-skel {
  aspect-ratio: 9 / 16;
}
/* 가로 영상 스켈레톤 (16:9) */
.cat-grid[data-kind="overlay"][data-works-grid="horizontal"] .cat-skel {
  aspect-ratio: 16 / 9;
}
@keyframes catShimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}
@media (prefers-reduced-motion: reduce) {
  .cat-skel { animation: none; }
}

/* ---- 카테고리 목록 — 홈(About) 작업 섹션과 동일 배열 ----
   category.js 가 그리드에 photo-grid(+film-grid) 클래스를 붙이고
   About 과 같은 카드(photo-item / detail-overlay-card / film-card)를 렌더한다. */
.cat-grid.photo-grid {
  gap: clamp(12px, 1.6vw, 20px);
}
a.detail-overlay-card,
a.film-card {
  display: block;
}
/* film 카드 썸네일 — 배경 대신 img (고화질 maxres 실패 시 hq 폴백용) */
.film-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media (max-width: 1024px) {
  .cat-grid.photo-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .cat-grid.photo-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- 빈/에러 상태 ---- */
.cat-empty,
.cat-error {
  grid-column: 1 / -1;
  padding: clamp(48px, 9vw, 96px) var(--gutter);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--fs-body);
  line-height: 1.7;
}
/* 빈 카테고리 = '준비 중' 박스 (에러 아님이 분명히 보이게) */
.cat-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
}
.cat-empty__title {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--text);
}
.cat-empty__desc {
  margin-bottom: 22px;
}
.cat-error {
  color: var(--text-dim);
}

/* =====================================================
   개별 작업 페이지
   ===================================================== */
.work-head {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: calc(var(--header-h) + clamp(48px, 8vh, 120px)) var(--gutter)
           clamp(28px, 4vw, 44px);
}
.work-head__title {
  margin-top: 14px;
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1.12;
}
.work-head__desc {
  margin-top: 18px;
  max-width: 64ch;
  color: var(--text-muted);
  font-size: var(--fs-body);
  line-height: 1.7;
}

/* ---- 갤러리 (세로 중앙 1열, 카테고리별 폭 분기) ---- */
.work-gallery {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(16px, 2.4vw, 32px);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.work-gallery__img {
  display: block;
  width: 100%;
  max-width: 920px;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  cursor: zoom-in;
}
/* 영상 — 넓게 */
.work-gallery[data-kind="overlay"] .work-gallery__img {
  max-width: 860px;
  border-radius: 8px;
}
/* 사진 — 상세 갤러리 전부 세로형(2:3) 동일 크기 통일, 가로·정사각은 잘라서 맞춤 */
.work-gallery[data-kind="photo"] .work-gallery__img {
  width: auto;
  height: 78vh;
  aspect-ratio: 2 / 3;
  max-width: 100%;
  object-fit: cover;
}
/* 상세페이지 — 실제 상세페이지처럼 이미지 이어붙이기 */
.work-gallery[data-kind="detail-page"] {
  gap: 0;
  padding: 0;
}
.work-gallery[data-kind="detail-page"] .work-gallery__img {
  max-width: 680px;
  border-radius: 0;
  border: none;
  background: transparent;
}

/* ---- 라이트박스 (이미지 클릭 시 원본 전체 화면 보기) ---- */
#work-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}
#work-lightbox.is-open { display: flex; }
.lb-close {
  position: absolute;
  top: 20px; right: 24px;
  background: rgba(255,255,255,0.12);
  border: none; border-radius: 50%;
  width: 48px; height: 48px;
  color: #fff; font-size: 22px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.lb-close:hover { background: rgba(255,255,255,0.25); }
.lb-img {
  max-width: 94vw;
  max-height: 92vh;
  object-fit: contain;
  border-radius: 4px;
  cursor: default;
  box-shadow: 0 8px 64px rgba(0,0,0,0.6);
  user-select: none;
}
.lb-hint {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.45);
  font-size: 0.8rem;
  pointer-events: none;
  letter-spacing: 0.04em;
}

/* ---- 16:9 반응형 영상 ---- */
.work-video {
  position: relative;
  width: 100%;
  max-width: 1040px;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--bg-elev);
}
.work-video iframe,
.work-video video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---- 작업 하단 내비 ---- */
.work-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  max-width: var(--max-w);
  margin: clamp(40px, 6vw, 72px) auto 0;
  padding: clamp(28px, 4vw, 44px) var(--gutter) var(--section-y);
  border-top: 1px solid var(--border);
}
.work-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: var(--fs-body);
  font-weight: 600;
  transition: color var(--dur) var(--ease);
}
.work-nav__link:hover {
  color: var(--accent);
}

/* =====================================================
   반응형 — 카테고리/작업 페이지 (≤768px)
   ===================================================== */
@media (max-width: 1024px) {
  .cat-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  /* 세로 영상: 1열 유지 */
  .cat-grid[data-works-grid="short"] {
    grid-template-columns: repeat(1, 1fr);
  }
  /* 가로 영상: 2열 유지 */
  .cat-grid[data-works-grid="horizontal"] {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .cat-grid {
    grid-template-columns: 1fr;
  }
  /* 세로/가로 영상 모두 1열로 */
  .cat-grid[data-works-grid="short"],
  .cat-grid[data-works-grid="horizontal"] {
    grid-template-columns: 1fr;
  }
  .work-nav {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
}

/* ===== V2: 활성 메뉴(현재 페이지) 강조 ===== */
.site-nav__link[aria-current="page"],
.site-nav__link.is-active { color: var(--text); }
.site-nav__link[aria-current="page"]::after,
.site-nav__link.is-active::after {
  content: ""; display: block; height: 2px; margin-top: 4px;
  background: var(--accent); border-radius: var(--radius-pill);
}

/* =====================================================
   WHY US — 비교 레이아웃 (기존 float-card 대체)
   ===================================================== */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(40px, 6vw, 72px);
}
.why-col__label {
  font-family: var(--font-en);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: clamp(14px, 2vw, 20px);
}
.why-col__label--accent {
  color: var(--accent);
}
.why-card {
  display: flex;
  align-items: center;
  padding: clamp(18px, 2vw, 26px) clamp(22px, 2.5vw, 32px);
  margin-bottom: clamp(10px, 1.2vw, 14px);
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  font-size: var(--fs-h3);
  font-weight: 600;
  color: var(--text-muted);
  transition: border-color var(--dur) var(--ease);
}
.why-card--accent {
  color: var(--text);
  background: var(--bg-elev);
  border-color: var(--accent);
  border-left: 3px solid var(--accent);
}
@media (max-width: 640px) {
  .why-grid { grid-template-columns: 1fr; }
}

/* =====================================================
   ABOUT 페이지 — 히어로(다크) + 패널(라이트)
   ===================================================== */
.about-hero {
  background: var(--bg);
  padding-top: calc(var(--header-h) + clamp(60px, 9vw, 120px));
  padding-bottom: clamp(60px, 9vw, 120px);
}
.about-hero__title {
  font-family: var(--font-kr);
  font-size: clamp(1.7rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 720px;
}

/* 라이트 배경 패널 영역 */
.about-panels {
  background: var(--bg-light);
}
.about-panel {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: clamp(32px, 6vw, 100px);
  align-items: start;
  padding-block: clamp(56px, 8vw, 100px);
  border-top: 1px solid rgba(10, 10, 10, 0.12);
}
.about-panel:first-child {
  border-top: none;
}
.about-panel__title {
  font-family: var(--font-en);
  font-size: clamp(1.8rem, 3.2vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-dark);
  letter-spacing: -0.02em;
}
.about-panel__text {
  font-size: clamp(0.95rem, 1.15vw, 1.05rem);
  line-height: 2;
  color: var(--text-dark-sub);
  padding-top: 8px;
}
@media (max-width: 640px) {
  .about-panel {
    grid-template-columns: 1fr;
    gap: clamp(16px, 3vw, 24px);
  }
}

/* ===== 영상 카드 스타일 ===== */
/* work-link--video: 영상 카드에 재생 버튼 오버레이 */
.work-link--video .work-link__thumb {
  position: relative;
}

.work-link__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 48px;
  color: var(--accent);
  opacity: 0.9;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
  pointer-events: none;
  z-index: 2;
}

/* 호버 시 재생 버튼 강조 (데스크탑) */
@media (hover: hover) {
  .work-link--video:hover .work-link__play {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.15);
    transition: all 0.3s ease;
  }
}

/* 짧은 영상 (9:16 세로 비율) */
.work-video--short {
  aspect-ratio: 9 / 16;
  max-width: 420px;
  margin: clamp(24px, 4vw, 48px) auto;
}

/* ===== 유튜브 링크 재생 (Facade 패턴) ===== */
/* work.js가 주입 — 썸네일 + 재생 버튼 클릭 시 iframe으로 교체 */
.work-video--youtube {
  margin: clamp(40px, 6vw, 72px) auto;
}

.work-video--youtube .work-video__facade-btn {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  padding: 0;
  background: none;
  cursor: pointer;
  display: block;
}

.work-video__facade-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.work-video__facade-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 56px;
  color: var(--accent);
  opacity: 0.9;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

@media (hover: hover) {
  .work-video--youtube:hover .work-video__facade-play {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.12);
  }
}

/* ===== YouTube 전용 재생 페이지 (video-play.html) ===== */
/* 큰 iframe을 중앙 정렬하고 16:9 비율로 표시 */
.video-player {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.video-player__container {
  width: 100%;
  max-width: 1000px;
}

.video-player__title {
  font-size: var(--fs-h2);
  font-weight: 700;
  margin-bottom: 30px;
  text-align: center;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.video-player__wrapper {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-dark, #000);
  margin-bottom: 40px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.video-player__wrapper iframe {
  width: 100%;
  height: 100%;
  display: block;
}

/* 버튼 정렬 */
.video-player__container .btn {
  display: block;
  width: fit-content;
  margin: 0 auto;
}

/* 반응형: 모바일 */
@media (max-width: 768px) {
  .video-player {
    padding: 20px;
    padding-top: 60px;
  }

  .video-player__title {
    font-size: var(--fs-h3, 20px);
    margin-bottom: 20px;
  }

  .video-player__wrapper {
    margin-bottom: 24px;
  }
}