/* =====================================================
   PARAENT — 반응형 CSS (모든 페이지 공유)
   Breakpoints: tablet ≤ 1024px / mobile ≤ 767px
===================================================== */

/* ── 기본 ──────────────────────────────────────── */
img { max-width: 100%; height: auto; }
body.menu-open { overflow: hidden; }

/* ── 햄버거 버튼 ─────────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px 6px;
  margin-left: auto;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,0.85);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── 모바일 메뉴 오버레이 ─────────────────────────── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10,10,15,0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 198;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.mobile-menu.open { display: block; }

.mobile-menu-item { border-bottom: 1px solid rgba(255,255,255,0.06); }

.mobile-menu-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 17px 24px;
  color: rgba(255,255,255,0.88);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.2px;
  text-decoration: none;
  background: none;
  border: none;
  text-align: left;
  font-family: inherit;
  cursor: pointer;
  transition: color 0.15s;
}
.mobile-menu-link:hover { color: #fff; }
.mobile-menu-link svg {
  flex-shrink: 0;
  opacity: 0.45;
  transition: transform 0.25s;
}
.mobile-menu-item.open > .mobile-menu-link svg { transform: rotate(180deg); opacity: 0.8; }

.mobile-sub-menu { display: none; background: rgba(255,255,255,0.02); }
.mobile-menu-item.open .mobile-sub-menu { display: block; }
.mobile-sub-menu a {
  display: block;
  padding: 13px 24px 13px 40px;
  color: rgba(255,255,255,0.55);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: color 0.15s, background 0.15s;
}
.mobile-sub-menu a:last-child { border-bottom: none; }
.mobile-sub-menu a:hover,
.mobile-sub-menu a.active { color: #2997ff; background: rgba(41,151,255,0.06); }

.mobile-menu-cta {
  padding: 24px 20px 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* 언어 선택 버튼 행 */
.mobile-lang-row {
  display: flex;
  gap: 8px;
}
.mobile-lang-btn {
  flex: 1;
  text-align: center;
  padding: 11px 8px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 10px;
  color: rgba(255,255,255,0.55);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: all 0.15s;
}
.mobile-lang-btn:hover { color: #fff; border-color: rgba(255,255,255,0.4); background: rgba(255,255,255,0.06); }
.mobile-lang-btn.active { color: #fff; border-color: rgba(255,255,255,0.45); background: rgba(255,255,255,0.1); }

.mobile-cta-btn {
  display: block;
  text-align: center;
  padding: 14px 20px;
  background: #0066cc;
  color: #fff !important;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  border-radius: 12px;
  text-decoration: none;
  transition: background 0.15s;
}
.mobile-cta-btn:hover { background: #0071e3; }

/* ══════════════════════════════════════════════════
   TABLET (≤ 1024px)
══════════════════════════════════════════════════ */
@media (max-width: 1024px) {

  /* NAV */
  .nav-menu,
  .nav-right { display: none !important; }
  .nav-hamburger { display: flex !important; }

  /* INDEX HERO SLIDE */
  .slide { min-height: auto; padding: 72px 24px 80px; }
  .slide-inner { grid-template-columns: 1fr; gap: 40px; }
  .slide-title { font-size: 42px; }
  .slide-tagline { font-size: 18px; }
  .slide-visual { justify-content: center; }
  .hero-product-img { max-width: 300px; }
  .product-frame { max-width: 340px; }

  /* INDEX PRODUCT GRID */
  .product-grid { grid-template-columns: repeat(3, 1fr); }

  /* INDEX FOOTER */
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-cols { flex-wrap: wrap; gap: 32px; }

  /* SECTIONS */
  .section-parchment,
  .section-dark { padding: 72px 24px; }
  .section-inner { padding: 0 8px; }

  /* CTA GRID */
  .cta-grid { grid-template-columns: 1fr; gap: 16px; }

  /* PAGES FOOTER GRID */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }

  /* PRODUCT PAGE GRIDS */
  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .order-steps { grid-template-columns: repeat(2, 1fr); }

  /* PRODUCT HERO */
  .product-hero { padding: 80px 24px 64px; }
  .product-hero h1 { font-size: 52px; }

  /* TAB BAR */
  .tab-bar-inner { overflow-x: auto; white-space: nowrap; }
  .tab-btn { padding: 11px 32px; font-size: 14px; }

  /* COMPANY OVERVIEW */
  .overview-split { grid-template-columns: 1fr !important; }
  .biz-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* CERTIFICATIONS */
  .cert-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .patent-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .ul-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* RESOURCES */
  .resource-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .file-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* HISTORY */
  .timeline-grid { grid-template-columns: 1fr !important; }

  /* QUALITY */
  .quality-grid { grid-template-columns: 1fr !important; }
}

/* ══════════════════════════════════════════════════
   MOBILE (≤ 767px)
══════════════════════════════════════════════════ */
@media (max-width: 767px) {

  /* NAV */
  .nav, .global-nav { padding: 0 16px !important; height: 56px !important; }
  .nav-logo img { height: 28px !important; }
  .mobile-menu { top: 56px; }

  /* INDEX HERO */
  .slide { padding: 52px 16px 64px; }
  .slide-inner { gap: 28px; }
  .slide-title { font-size: 30px; letter-spacing: -0.3px; }
  .slide-tagline { font-size: 15px; margin-bottom: 20px; }
  .slide-features li { font-size: 14px; }
  .slide-ctas { flex-direction: column; align-items: flex-start; gap: 10px; }
  .hero-product-img { max-width: 200px; }
  .product-frame { max-width: 260px; }
  .carousel-nav { bottom: 16px; }

  /* INDEX SECTIONS */
  .section-parchment,
  .section-dark { padding: 56px 16px; }
  .section-inner { padding: 0; }
  .section-title { font-size: 26px !important; letter-spacing: -0.3px; }
  .section-title-dark { font-size: 26px !important; }
  .section-sub,
  .section-sub-dark { font-size: 15px; }
  .section-header { margin-bottom: 32px; }

  /* INDEX PRODUCT GRID */
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .product-card { padding: 16px; }
  .card-title { font-size: 14px; }

  /* CTA GRID */
  .cta-grid { grid-template-columns: 1fr; }
  .cta-panel { padding: 32px 20px; }
  .cta-panel h3 { font-size: 18px; }

  /* INDEX FOOTER */
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .footer-cols { flex-direction: column; gap: 24px; }
  footer { padding: 40px 16px 28px !important; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }

  /* PAGES FOOTER GRID */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }

  /* PAGE HEADER */
  .page-header { padding: 48px 16px 40px !important; }
  .page-header h1 { font-size: 28px !important; }

  /* SECTIONS (pages) */
  .section { padding: 52px 16px !important; }
  .section-title { font-size: 24px !important; }
  .section-body { font-size: 15px; }
  .container { padding: 0; }

  /* PRODUCT HERO — 배경 사진과 텍스트가 겹쳐 보이던 문제
     → 배경 사진을 끄고, 타이틀 → 제품 사진(.hero-mobile-img) → 설명
     순서로 세로로 쌓이는 레이아웃으로 전환 (메인 히어로와 동일 방식) */
  .product-hero { padding: 56px 16px 44px !important; }
  .product-hero {
    background-image: none !important;
    background-color: #0a0b10 !important;
    min-height: 0 !important;
  }
  .product-hero::before { display: none !important; }

  /* 타이틀 바로 아래, 설명 바로 위에 제품 사진 삽입.
     pll/smart/ptype는 투명 배경 사진을 그대로 사용하고,
     flex/mini/etype는 투명 소스가 없어 mix-blend-mode(.blend-dark)로
     어두운 스튜디오 배경을 페이지 배경에 흡수시킴 */
  .hero-mobile-img {
    display: block;
    width: 52%;
    max-width: 200px;
    height: auto;
    margin: 10px auto 14px;
    filter: drop-shadow(0 6px 20px rgba(0,0,0,0.4));
  }
  .hero-mobile-img.blend-dark { mix-blend-mode: multiply; }

  .product-hero h1 { font-size: 40px !important; }
  .product-hero-sub { font-size: 15px !important; margin-bottom: 24px; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero-actions > * { width: 100% !important; }
  .btn-dl-wrap { width: 100% !important; }
  .btn-dl-wrap .btn-dl { width: 100%; justify-content: center; }
  .hero-badge-row { gap: 6px; }
  .hero-badge { font-size: 11px; padding: 5px 12px; }
  .product-tag { font-size: 11px; }

  /* TAB BAR */
  .tab-bar { padding: 8px 12px !important; top: 56px !important; }
  .tab-bar-inner { overflow-x: auto; }
  .tab-btn { padding: 10px 20px !important; font-size: 12px !important; }

  /* PRODUCT PAGE GRIDS */
  .pillar-grid { grid-template-columns: 1fr !important; gap: 16px; }
  .related-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .order-steps { grid-template-columns: 1fr !important; }
  .pillar-card { padding: 24px 20px; }
  .pillar-num { font-size: 36px; }

  /* SPEC TABLE */
  .spec-table-wrap { border-radius: 12px; }
  .spec-table th,
  .spec-table td { padding: 12px 14px; font-size: 13px; }

  /* ORDER DIAGRAM */
  .order-diagram { padding: 24px 0 8px; }
  .order-seg-code { font-size: 14px; }

  /* RELATED PRODUCTS */
  .related-card-body { padding: 14px; }
  .related-card h4 { font-size: 13px; }

  /* CONTACT/INQUIRY */
  .contact-grid { grid-template-columns: 1fr !important; gap: 12px; }
  .contact-card { padding: 20px 18px; }
  .form-card { padding: 24px 16px !important; }
  .form-grid { grid-template-columns: 1fr !important; }
  .email-field { flex-wrap: wrap; gap: 6px; }
  .email-at { display: none; }
  .form-input[id="email-id"]::placeholder { content: "이메일 (아이디@도메인)"; }
  .email-domain-select,
  .email-domain-custom { min-width: 100%; flex: 1 1 100% !important; }
  .form-title { font-size: 20px; }

  /* COMPANY OVERVIEW */
  .overview-split { grid-template-columns: 1fr !important; }
  .biz-grid { grid-template-columns: 1fr !important; }
  .stat-row { flex-direction: column !important; gap: 16px !important; }

  /* CERTIFICATIONS */
  .cert-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 12px; }
  .patent-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 12px; }
  .ul-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 12px; }

  /* HISTORY */
  .timeline-grid { grid-template-columns: 1fr !important; }
  .timeline-year { font-size: 28px !important; }

  /* RESOURCES */
  .resource-grid { grid-template-columns: 1fr !important; }
  .file-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 10px; }

  /* QUALITY */
  .quality-grid { grid-template-columns: 1fr !important; }

  /* LOCATION */
  .location-map { height: 240px !important; }
  .location-info-grid { grid-template-columns: 1fr !important; }

  /* NOTICE */
  .notice-table th:nth-child(3),
  .notice-table td:nth-child(3),
  .notice-table th:nth-child(4),
  .notice-table td:nth-child(4) { display: none; }

  /* SCROLL TOP BTN */
  .scroll-top-btn { bottom: 20px !important; right: 14px !important; width: 40px !important; height: 40px !important; }
}

/* ══════════════════════════════════════════════════
   SMALL MOBILE (≤ 375px)
══════════════════════════════════════════════════ */
@media (max-width: 375px) {
  .slide-title { font-size: 26px; }
  .product-hero h1 { font-size: 34px !important; }
  .product-grid { grid-template-columns: 1fr; }
  .cert-grid,
  .patent-grid,
  .ul-grid,
  .file-grid { grid-template-columns: 1fr !important; }
  .related-grid { grid-template-columns: 1fr !important; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════════
   FIX 1 — 모바일 푸터 컴팩트 레이아웃
══════════════════════════════════════════════════ */
@media (max-width: 767px) {

  /* ── PAGES 푸터 (.footer-grid 기반) ── */
  .footer-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 14px 20px !important;
    margin-bottom: 16px !important;
  }
  /* 브랜드: 로고 + 주소 가로 배치, full-width */
  .footer-grid .footer-brand {
    grid-column: 1 / -1 !important;
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-start !important;
    gap: 12px !important;
    padding-bottom: 14px !important;
    margin-bottom: 0 !important;
    border-bottom: 1px solid var(--hairline) !important;
  }
  .footer-grid .footer-logo { flex-shrink: 0 !important; margin-bottom: 0 !important; }
  .footer-grid .footer-brand p {
    font-size: 11px !important;
    line-height: 1.6 !important;
    color: var(--ink-muted-48) !important;
    margin-top: 2px !important;
  }
  /* nav 컬럼 */
  .footer-grid .footer-col { padding: 0 !important; }
  .footer-grid .footer-col h5 { font-size: 11px !important; font-weight: 700 !important; margin-bottom: 6px !important; }
  .footer-grid .footer-col ul li { margin-bottom: 4px !important; }
  .footer-grid .footer-col ul li a { font-size: 11px !important; }

  /* ── INDEX 푸터 (.footer-top / .footer-brand / .footer-cols) ── */
  /* 브랜드: 로고 + 주소 가로 배치 */
  .footer-brand {
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-start !important;
    gap: 12px !important;
  }
  .footer-brand-logo {
    flex-shrink: 0 !important;
    margin-bottom: 0 !important;
  }
  .footer-brand .addr {
    font-size: 11px !important;
    line-height: 1.6 !important;
    margin-top: 2px !important;
  }
  /* 4개 컬럼 → 2×2 그리드 */
  .footer-cols {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    flex-direction: unset !important;
    gap: 14px 20px !important;
  }
  .footer-col h4 { font-size: 11px !important; font-weight: 700 !important; margin-bottom: 6px !important; }
  .footer-col li { font-size: 11px !important; margin-bottom: 4px !important; }

  /* 공통 footer-bottom */
  .footer-bottom { font-size: 11px !important; padding-top: 14px !important; }
}

/* ══════════════════════════════════════════════════
   FIX 2 — 제품 페이지 다운로드 버튼 정렬/크기
══════════════════════════════════════════════════ */
@media (max-width: 767px) {
  /* hero-actions 버튼들 정렬 */
  .hero-actions {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important;
  }
  .hero-actions > *,
  .hero-actions .btn-dl-wrap {
    width: 100% !important;
  }
  /* btn-dl 텍스트+아이콘 중앙 정렬, 크기 소형화 */
  .hero-actions .btn-dl,
  .hero-actions .btn-primary {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    padding: 10px 18px !important;
    font-size: 13px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  /* 드롭다운 트리거 버튼도 동일하게 */
  .btn-dl-wrap .btn-dl {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 10px 18px !important;
    font-size: 13px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  /* 드롭다운 메뉴 full-width */
  .btn-dl-menu {
    min-width: 100% !important;
    left: 0 !important;
    right: 0 !important;
  }
}

/* ══════════════════════════════════════════════════
   FIX 3 — 품질혁신 이미지 잘림 수정
══════════════════════════════════════════════════ */
@media (max-width: 960px) {
  .q-sec2-img {
    min-height: 0 !important;
    height: auto !important;
    aspect-ratio: 16 / 9 !important;
    overflow: hidden !important;
    display: block !important;
  }
  .q-sec2-img img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    object-position: center center !important;
    display: block !important;
  }
}
@media (max-width: 767px) {
  .q-sec2-img {
    aspect-ratio: 4 / 3 !important;
  }
}

/* ══════════════════════════════════════════════════
   FIX 4 — 자료실 CAD 인라인 그리드 + 다운로드 버튼
══════════════════════════════════════════════════ */
@media (max-width: 767px) {
  /* inline style="display:grid;grid-template-columns:1fr 1fr" 오버라이드 */
  [style*="grid-template-columns:1fr 1fr"],
  [style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  /* 파일 테이블 — 날짜 컬럼(3번째) 모바일 숨기기 */
  .file-table th:nth-child(3),
  .file-table td:nth-child(3) { display: none !important; }

  /* 파일명 셀 줄바꿈 허용 */
  .file-name { white-space: normal !important; font-size: 13px !important; }
  .file-icon { flex-shrink: 0 !important; }

  /* 자료실 다운로드 버튼 (.dl-btn) */
  .dl-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 11px !important;
    padding: 5px 11px !important;
    gap: 3px !important;
    white-space: nowrap !important;
    border-radius: 20px !important;
  }
}

/* ══════════════════════════════════════════════════
   FIX 5 — SMART PSD 이미지 그리드 반응형
══════════════════════════════════════════════════ */
@media (max-width: 767px) {
  /* 3열 → 1열로 */
  .psd-img-grid {
    grid-template-columns: 1fr !important;
  }
  /* 이미지 래퍼 높이 조정 */
  .psd-img-grid .graph-box > div {
    height: 200px !important;
  }
}
@media (max-width: 480px) {
  .psd-img-grid .graph-box > div {
    height: 160px !important;
  }
}

/* ══════════════════════════════════════════════════
   FIX 7 — 인라인 3/4단 이미지 그리드 (SMART PLF/PSD 갤러리,
   인증현황 CE/ISO/기타인증 카드) 모바일에서 전혀 안 줄어들던 문제
══════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  [style*="grid-template-columns:repeat(4,1fr)"],
  [style*="grid-template-columns: repeat(4,1fr)"],
  [style*="grid-template-columns:repeat(4, 1fr)"] {
    grid-template-columns: repeat(2,1fr) !important;
  }
}
@media (max-width: 767px) {
  [style*="grid-template-columns:repeat(3,1fr)"],
  [style*="grid-template-columns: repeat(3,1fr)"],
  [style*="grid-template-columns:repeat(3, 1fr)"],
  [style*="grid-template-columns:200px 1fr 1fr"],
  [style*="grid-template-columns:3fr 2fr"],
  [style*="grid-template-columns:repeat(2,1fr)"] {
    grid-template-columns: 1fr !important;
  }
}
@media (max-width: 480px) {
  [style*="grid-template-columns:repeat(4,1fr)"],
  [style*="grid-template-columns: repeat(4,1fr)"],
  [style*="grid-template-columns:repeat(4, 1fr)"] {
    grid-template-columns: 1fr !important;
  }
}

/* ══════════════════════════════════════════════════
   FIX 6 — 메인 히어로 배경 이미지 잘림 수정
   (.hero-mobile-img 기본값: 데스크탑에서는 숨김 — 제품상세 히어로
    모바일에서만 사용, PRODUCT HERO 섹션 참고)
══════════════════════════════════════════════════ */
.hero-mobile-img { display: none; }

@media (max-width: 767px) {
  /* 슬라이드 높이 제한 — 과도한 세로 크롭 방지 */
  .slide {
    min-height: 420px !important;
    max-height: 520px !important;
  }
  /* 히어로 배경 이미지 위치 — 제품이 있는 오른쪽 영역을 더 보이도록 */
  .slide-hero {
    background-position: 68% center !important;
  }
  /* 모바일용 오버레이 — 좌우 그라데이션 대신 전체 어둡게 */
  .slide-hero::before {
    background: linear-gradient(
      to bottom,
      rgba(0,0,0,0.55) 0%,
      rgba(0,0,0,0.40) 50%,
      rgba(0,0,0,0.55) 100%
    ) !important;
  }
  /* 텍스트 영역 풀너비 */
  .slide-text { max-width: 100% !important; }
}